/*
 Joel Espinosa Longi
 jlongi@im.unam.mx
 https://github.com/jlongi/DescartesJS
 LGPL - http://www.gnu.org/licenses/lgpl.html
 2016-05-11
*/
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g;e++)l=parseInt(c[e],16),c[e]!=l.toString(16)&&c[e]!=="0"+l.toString(16)?("["===c[e].charAt(0)&&"]"===c[e].charAt(c[e].length-1)&&(c[e]=c[e].substring(1,c[e].length-1)),p.push(this.evaluator.parser.parse(c[e]))):p.push(this.evaluator.parser.parse((l/255).toString()));this.rExpr=p[0];this.gExpr=p[1];this.bExpr=p[2];this.aExpr=p[3];this.getColor=this.getColorExp}}else this.colorStr="rgba("+this.r+","+this.g+","+this.b+","+this.a+")",this.getColor=this.getColorStr};a.Color.prototype.splitComa=function(a){k=
[];for(var e=g=u=b=0,c=a.length;e<c;e++)r=a.charAt(e),"("===r?b++:")"===r?b--:"["===r?u++:"]"===r?u--:","===r&&0===b&&0===u&&(k.push(a.substring(g,e)),g=e+1);k.push(a.substring(g));return k};a.Color.prototype.getColorStr=function(){return this.colorStr};a.Color.prototype.getColorExp=function(){f=this.evaluator;this.r=d(255,h(255*f.eval(this.rExpr)));this.g=d(255,h(255*f.eval(this.gExpr)));this.b=d(255,h(255*f.eval(this.bExpr)));this.a=1-f.eval(this.aExpr);return"rgba("+this.r+","+this.g+","+this.b+
","+this.a+")"};a.Color.prototype.borderColor=function(){return 380>this.r+this.g+this.b?"#ffffff":"#000000"};a.RGBAToHexColor=function(b){b=b.substring(5,b.length-1).split(",");q=parseInt(b[0]).toString(16);t=parseInt(b[1]).toString(16);v=parseInt(b[2]).toString(16);e=(255-parseInt(255*parseFloat(b[3]))).toString(16);q=1==q.length?"0"+q:q;t=1==t.length?"0"+t:t;v=1==v.length?"0"+v:v;e=1==e.length?"0"+e:e;return new a.Color(e+q+t+v)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;
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d=document.createElement("meta");d.setAttribute("name","apple-mobile-web-app-status-bar-style");d.setAttribute("content","black");h.appendChild(d);d=document.createElement("meta");d.setAttribute("name","DescartesJS_author");d.setAttribute("content","Joel Espinosa Longi");h.appendChild(d);(h=document.getElementById("StyleDescartesApps2"))&&h.parentNode.removeChild(h);h=document.createElement("style");h.type="text/css";h.id="StyleDescartesApps2";h.setAttribute("rel","stylesheet");document.head.appendChild(h);
h.innerHTML="div.DescartesCatcher{background-color:rgba(255,255,255,0);cursor:pointer;position:absolute;}\ndiv.DescartesAppContainer{border:0 solid black;position:relative;overflow:hidden;top:0;left:0;}\ndiv.DescartesLoader{background-color:#CACACA;position:absolute;overflow:hidden;top:0;left:0;}\ndiv.DescartesLoaderImage{position:absolute;background-repeat:no-repeat;background-position:center;overflow:hidden;top:0;left:0;}\ncanvas.DescartesLoaderBar{position:absolute;overflow:hidden;top:0;left:0;}\ncanvas.DescartesSpace2DCanvas,canvas.DescartesSpace3DCanvas,div.blocker{touch-action:none;position:absolute;overflow:hidden;left:0;top:0;}\ndiv.DescartesSpace2DContainer,div.DescartesSpace3DContainer{position:absolute;overflow:hidden;line-height:0;}\ncanvas.DescartesButton{position:absolute;cursor:pointer;}\ndiv.DescartesButtonContainer{position:absolute;background-repeat:no-repeat;}\ndiv.DescartesSpinnerContainer,div.DescartesTextFieldContainer,div.DescartesMenuContainer{background:lightgray;position:absolute;overflow:hidden;}\ndiv.DescartesSpinnerContainer input,div.DescartesTextFieldContainer input,div.DescartesMenuContainer select{border-radius:0;}\ninput.DescartesSpinnerField,input.DescartesTextFieldField,input.DescartesMenuField,input.DescartesScrollbarField{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;font-family:descartesJS_sansserif,Arial,Helvetica,Sans-serif;padding:0;border:solid #666 1px;position:absolute;top:0;}\nlabel.DescartesSpinnerLabel,label.DescartesMenuLabel,label.DescartesScrollbarLabel,label.DescartesTextFieldLabel{font-family:descartesJS_sansserif,Arial,Helvetica,Sans-serif;font-weight:normal;text-align:center;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;background-color:#e0e4e8;position:absolute;left:0;top:0;}\ndiv.DescartesGraphicControl{touch-action:none;border-style:none;position:absolute;}\ndiv.DescartesTextAreaContainer{position:absolute;overflow:hidden;background:#c0d0d8;}\nselect.DescartesMenuSelect{font-family:descartesJS_sansserif,Arial,Helvetica,Sans-serif;padding-top:0;text-align:center;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;background-color:white;position:absolute;left:0;top:0;}\ndiv.DescartesScrollbarContainer{touch-action:none;background:#eee;overflow:hidden;position:absolute;}";
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a.Krypto.prototype.decode=function(a){b=this.numalfa(a.charCodeAt(0));this.key=this.getKey(b);return this.desencripta(a.substring(1))};a.Krypto.prototype.encripta=function(a){return this.bytesToString(this.encriptaAux(this.stringToBytes(a)))};a.Krypto.prototype.encriptaAux=function(a){if(null==a||null==this.key)return null;q=Array(3*a.length);for(var b=0,c=a.length;b<c;b++)e=256*d(a[b]+128)+p(255*f())+65536*p(255*f()),n=d((e<<this.shift(b))/256),q[3*b]=this.alfanum(n%32),q[3*b+1]=this.alfanum(n/32%
32),q[3*b+2]=this.alfanum(n/1024%32);return q};a.Krypto.prototype.desencripta=function(a){return this.bytesToString(this.desencriptaAux(this.stringToBytes(a)))};a.Krypto.prototype.desencriptaAux=function(a){if(null==a||null==this.key)return null;t=Array(a.length/3);for(var b=0,c=t.length;b<c;b++)n=this.numalfa(a[3*b])+32*this.numalfa(a[3*b+1])+1024*this.numalfa(a[3*b+2]),e=d(256*n>>this.shift(b)),v=d(e/256)%256-128,0>v&&(v+=256),t[b]=v;return t};a.Krypto.prototype.alfanum=function(a){a=d(a);return 10>
a?48+a:87+a};a.Krypto.prototype.numalfa=function(a){return 58>a?a-48:a-87};a.Krypto.prototype.stringToBytes=function(a){g=Array(a.length);for(var b=0,e=a.length;b<e;b++)g[b]=a.charCodeAt(b);return g};a.Krypto.prototype.bytesToString=function(a){for(var b=0,e=a.length;b<e;b++)a[b]=l(a[b]);return a.join("")};a.Krypto.prototype.shift=function(a){u=this.key.charCodeAt(a%this.key.length);g=this.numalfa(u);r=d(g/2%8);0==r&&(r=4);return r};a.Krypto.prototype.parseByte=function(a){a=parseInt(a);a=0>a?0:a;
return 255<a?255:a};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.max;a.Animation=function(d,f){this.parent=d;var h=d.evaluator,c=h.parser,l=new a.Auxiliary(d),k=this;k.delay=f.delay?c.parse(f.delay):c.parse("60");k.loop=f.loop?f.loop:!1;k.auto=void 0==f.auto?!0:f.auto;k.controls=f.controls;k.init=l.splitInstructions(c,f.init);k.doExpr=l.splitInstructions(c,f.doExpr);f.whileExpr&&(k.whileExpr=c.parse(f.whileExpr));var b,u=k.doExpr.length;k.animExec=function(){for(b=
0;b<u;b++)h.eval(k.doExpr[b]);k.parent.update();k.playing&&(0<h.eval(k.whileExpr)||k.loop)?k.timer=a.setTimeout(k.animExec,h.eval(k.delay)):(k.stop(),k.pause=!1,k.parent.update())};k.playing=!1;k.auto&&k.play()};a.Animation.prototype.play=function(){this.playing?(this.pause=!0,this.stop()):(this.pause||this.reinit(),this.playing=!0,this.pause=!1,this.timer=a.setTimeout(this.animExec,h(10,this.parent.evaluator.eval(this.delay))))};a.Animation.prototype.stop=function(){this.playing=!1;a.clearTimeout(this.timer)};
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a.Action);a.Message.prototype.execute=function(){alert(this.parameter)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.Calculate=function(h,d){a.Action.call(this,h,d);var f=this.evaluator,p=f.parser;d=(d||"").replace(/&squot;/g,"'");d=d.replace(/;/g,"\\n");d=d.split("\\n")||[""];for(var c=[],l,k=0,b=d.length;k<b;k++)(l=p.parse(d[k],!0))&&c.push(l);b=c.length;this.execute=function(){for(k=0;k<b;k++)f.eval(c[k])}};a.extend(a.Calculate,a.Action);return a}(descartesJS||{}),
descartesJS=function(a){if(a.loadLib)return a;a.OpenURL=function(h,d){a.Action.call(this,h,d);this.parameter=d;this.target="_blank";var f=this.parameter.indexOf("target");-1!=f&&(this.target=this.parameter.substring(f),this.target=this.target.substring(this.target.indexOf("=")+1),this.parameter=this.parameter.substring(0,f-1));if("javascript"==this.parameter.substring(0,10)){this.parameter=new a.SimpleText(h,this.parameter.substring(11).replace(/&squot;/g,"'"));var p=this;this.actionExec=function(){try{eval(p.parameter.toString())}catch(a){}}}else"http"!=
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function(h,d){a.Action.call(this,h,d)};a.extend(a.Init,a.Action);a.Init.prototype.execute=function(){this.parent.init()};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.Clear=function(h,d){a.Action.call(this,h,d)};a.extend(a.Clear,a.Action);a.Clear.prototype.execute=function(){this.parent.clear()};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.Animate=function(h,d){a.Action.call(this,h,d)};a.extend(a.Animate,a.Action);a.Animate.prototype.execute=
function(){this.parent.play()};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.InitAnimation=function(h,d){a.Action.call(this,h,d)};a.extend(a.InitAnimation,a.Action);a.InitAnimation.prototype.execute=function(){this.parent.reinitAnimation()};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=/[\w\.\-//]*(\.ogg|\.oga|\.mp3|\.wav)/gi;a.PlayAudio=function(d,f){a.Action.call(this,d,f);f&&f.match(h)?this.filenameExpr=this.evaluator.parser.parse("'"+
f.match(h)+"'"):(""!=f&&"["==f[0]&&"]"==f[f.length-1]&&(f=f.substring(1,f.length-1)),this.filenameExpr=this.evaluator.parser.parse(f))};a.extend(a.PlayAudio,a.Action);a.PlayAudio.prototype.execute=function(){var a=this.theAudio=this.parent.getAudio(this.evaluator.eval(this.filenameExpr));a.paused?a.play():(a.pause(),a.currentTime=0)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.Auxiliary=function(a,d){this.parent=a;this.evaluator=this.parent.evaluator;this.expresion=
this.id="";this.evaluate="onlyOnce";this.local="";for(var c in d)d.hasOwnProperty(c)&&(this[c]=d[c])};a.Auxiliary.prototype.firstRun=function(){};a.Auxiliary.prototype.update=function(){};var h,d;a.Auxiliary.prototype.splitInstructions=function(a,p){d=[];p=p?p.split(";"):[""];for(var c=0,l=p.length;c<l;c++)(h=a.parse(p[c],!0))&&d.push(h);return d};a.Auxiliary.prototype.getPrivateVariables=function(a,p){d=[];p=p?p.split(/;|,/):[""];for(var c=0,l=p.length;c<l;c++)(h=a.parse(p[c],!0))&&d.push(h);c=0;
for(l=d.length;c<l;c++)d[c]="asign"===d[c].type?d[c].childs[0].value:"identifier"===d[c].type?d[c].value:"";return d};a.Auxiliary.prototype.parseExpressions=function(a){this.init=this.splitInstructions(a,this.init);this.privateVars=this.getPrivateVariables(a,this.local);this.doExpr=this.splitInstructions(a,this.doExpr);this.whileExpr=a.parse(this.whileExpr)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.Variable=function(h,d){a.Auxiliary.call(this,h,d);var f=this.evaluator.parser;
this.expresionString=this.expresion;(this.expresion=f.parse(this.expresionString))&&f.setVariable(this.id,this.expresion);this.editable&&(this.registerTextField(),this.parent.editableRegionVisible=!0)};a.extend(a.Variable,a.Auxiliary);a.Variable.prototype.registerTextField=function(){var a=document.createElement("div"),d=document.createElement("label");d.appendChild(document.createTextNode("___"+this.id+"=___"));var f=document.createElement("input");f.value=this.expresionString;f.disabled=!this.editable;
a.appendChild(d);a.appendChild(f);var p=this,c=p.evaluator.parser;f.onkeydown=function(a){13==a.keyCode&&(p.expresion=c.parse(this.value),c.setVariable(p.id,p.expresion),p.parent.update())};this.parent.editableRegion.textFields.push({container:a,type:"div"})};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.Constant=function(h,d){a.Auxiliary.call(this,h,d);this.expresion=this.evaluator.parser.parse(this.expresion);this.update()};a.extend(a.Constant,a.Auxiliary);a.Constant.prototype.update=
function(){this.evaluator.setVariable(this.id,this.evaluator.eval(this.expresion))};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f;a.Vector=function(f,c){h=f.evaluator;d=h.parser;this.size=d.parse("3");a.Auxiliary.call(this,f,c);this.expresion=this.expresion.split(";");this.parseFile=d.parse(this.file);this.update()};a.extend(a.Vector,a.Auxiliary);a.Vector.prototype.update=function(){var p=this.expresion;h=this.evaluator;d=h.parser;this.oldFile=this.file;if(f=h.eval(this.parseFile))this.file=
f;var c;if(this.file){c=(vectorElement=document.getElementById(this.file))&&"descartes/vectorFile"==vectorElement.type?vectorElement.text:a.openExternalFile(this.file);if(null!=c){c=c.replace(/\r/g,"").split("\n");for(var l=[],k=0,b=c.length;k<b;k++)""!=c[k]&&l.push(c[k]);c=l}null==c||1==c.length&&""==c[0]?this.size=d.parse("0"):(p=c,this.size=null);null===this.size&&(this.size=d.parse(p.length+""))}c=[];k=0;for(b=p.length;k<b;k++)(l=d.parse(p[k],!0))&&"asign"!=l.type&&(l=d.parse(this.id+"["+k+"]="+
p[k],!0)),c.push(l);p=[];p._size_=h.eval(this.size);k=0;for(b=this._size_;k<b;k++)p.push(0);h.vectors[this.id]=p;h.setVariable(this.id+".long",p._size_);k=0;for(b=c.length;k<b;k++)h.eval(c[k])};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.Matrix=function(h,d){var f=h.evaluator,p=f.parser;this.rows=p.parse("3");this.columns=p.parse("3");a.Auxiliary.call(this,h,d);this.expresion=this.splitInstructions(p,this.expresion);var p=f.eval(this.rows),c=f.eval(this.columns),l=[];
l.type="matrix";for(var k,b=0;b<c;b++){k=[];for(var u=0,g=p;u<g;u++)k.push(0);l[b]=k}f.matrices[this.id]=l;this.update()};a.extend(a.Matrix,a.Auxiliary);a.Matrix.prototype.update=function(){var a=this.evaluator,d=a.eval(this.rows),f=a.eval(this.columns);a.setVariable(this.id+".filas",d);a.setVariable(this.id+".columnas",f);var p=a.matrices[this.id];p.rows=d;p.cols=f;d=0;for(f=this.expresion.length;d<f;d++)a.eval(this.expresion[d])};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;
a.Function=function(h,d){a.Auxiliary.call(this,h,d);var f=this.evaluator,p=f.parser,c=this.id.indexOf("(");this.name=this.id.substring(0,c);this.params=this.id.substring(c+1,this.id.indexOf(")"));this.domain=this.range?p.parse(this.range):p.parse("1");this.params=""==this.params?[]:this.params.split(",");this.numberOfParams=this.params.length;this.algorithm||(this.whileExpr=this.doExpr=this.init="");this.parseExpressions(p);this.expresion=p.parse(this.expresion);var l=this;this.functionExec=function(){this.iterations=
0;if(l.numberOfParams<=arguments.length){for(var c=[],b=0,d=l.privateVars.length;b<d;b++)c.push(f.getVariable(l.privateVars[b])),f.setVariable(l.privateVars[b],0);for(var g=[],b=0,d=l.params.length;b<d;b++)g[b]=f.getVariable(l.params[b])||0,f.setVariable(l.params[b],arguments[b]);b=0;for(d=l.init.length;b<d;b++)f.eval(l.init[b]);do{b=0;for(d=l.doExpr.length;b<d;b++)f.eval(l.doExpr[b]);if(1E5<++this.iterations)return console.log("se ha excedido el l\u00edmite de 100000 repeticiones en la funci\u00f3n << "+
l.name+" >>"),0}while(0<f.eval(l.whileExpr));var r=f.eval(l.expresion);a.rangeOK=f.eval(l.domain);b=0;for(d=l.params.length;b<d;b++)f.setVariable(l.params[b],g[b]);b=0;for(d=l.privateVars.length;b<d;b++)f.setVariable(l.privateVars[b],c[b]);return r}return 0};f.setFunction(this.name,this.functionExec)};a.extend(a.Function,a.Auxiliary);return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.Algorithm=function(h,d){a.Auxiliary.call(this,h,d);var f=this.evaluator;this.parseExpressions(f.parser);
this.algorithmExec=function(){for(var a=this.iterations=0,c=this.init.length;a<c;a++)f.eval(this.init[a]);do{a=0;for(c=this.doExpr.length;a<c;a++)f.eval(this.doExpr[a]);if(1E5<++this.iterations)return console.log("se ha excedido el l\u00edmite de 100000 repeticiones en el algoritmo << "+self.name+" >>"),0}while(0<f.eval(this.whileExpr))}};a.extend(a.Algorithm,a.Auxiliary);a.Algorithm.prototype.update=function(){this.algorithmExec();"onlyOnce"===this.evaluate&&(this.update=function(){})};return a}(descartesJS||
{}),descartesJS=function(a){if(a.loadLib)return a;a.Event=function(h,d){a.Auxiliary.call(this,h,d);var f=this.evaluator;delete this.evaluate;this.condition=f.parser.parse(this.condition);this.lastEvaluation=!1;this.action=this.parent.lessonParser.parseAction(this);"onlyOnce"==this.execution&&(this.eventExec=function(){0<this.evaluator.eval(this.condition)&&!this.lastEvaluation&&(this.lastEvaluation=!0,this.action.execute())});"alternate"==this.execution&&(this.eventExec=function(){var a=0<this.evaluator.eval(this.condition);
3==this.parent.version?a!=this.lastEvaluation&&(this.action.execute(),this.lastEvaluation=a?!0:!1):a&&!this.lastEvaluation?(this.action.execute(),this.lastEvaluation=!0):!a&&this.lastEvaluation&&(this.lastEvaluation=!1)});"always"==this.execution&&(this.eventExec=function(){0<this.evaluator.eval(this.condition)&&this.action.execute()})};a.extend(a.Event,a.Auxiliary);a.Event.prototype.update=function(){this.eventExec()};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,
d,f,p,c;a.Graphic=function(c,k){this.parent=c;this.evaluator=c.evaluator;var b=this.evaluator.parser;this.spaceID="";this.background=!1;this.type="";this.drawif=b.parse("1");this.abs_coord=!1;this.color=new a.Color("blue");2!==this.parent.version&&(this.color=new a.Color("20303a"),this.parent.arquimedes&&(this.color=new a.Color("black")));this.trace="";this.expresion=b.parse("(0,0)");this.family="";this.family_interval=b.parse("[0,1]");this.family_steps=b.parse("8");this.editable=!1;this.font="Monospaced,PLAIN,"+
(5<=this.parent.version?"15":"12");this.fixed=!0;this.text="";this.decimals=b.parse("2");for(var d in k)k.hasOwnProperty(d)&&(this[d]=k[d]);this.space=this.getSpace();this.canvas=this.background?this.space.backCanvas:this.space.canvas;this.ctx=this.canvas.getContext("2d");this.trace&&(this.traceCtx=this.space.backCtx);this.font=a.convertFont(this.font);this.fontSize=(this.fontSize=this.font.match(/([\d\.]+)px/))?parseFloat(this.fontSize[1]):10};a.Graphic.prototype.getSpace=function(){for(var a=this.parent.spaces,
c,b=0,d=a.length;b<d;b++)if(c=a[b],c.id==this.spaceID)return c;return a[0]};a.Graphic.prototype.getFamilyValues=function(){h=this.evaluator;d=h.eval(this.family_interval);this.familyInf=d[0][0];this.familySup=d[0][1];this.fSteps=Math.round(h.eval(this.family_steps));this.family_sep=0<this.fSteps?(this.familySup-this.familyInf)/this.fSteps:0};a.Graphic.prototype.drawFamilyAux=function(a,c,b){h=this.evaluator;this.getFamilyValues();f=h.getVariable(this.family);if(0<=this.fSteps)for(var d=0,g=this.fSteps;d<=
g;d++)h.setVariable(this.family,this.familyInf+d*this.family_sep),0<h.eval(this.drawif)&&(this.update(),this.drawAux(a,c,b));h.setVariable("_Text_H_",0);h.setVariable(this.family,f)};a.Graphic.prototype.draw=function(a,c){""!=this.family?this.drawFamilyAux(this.ctx,a,c):0<this.evaluator.eval(this.drawif)&&(this.update(),this.drawAux(this.ctx,a,c))};a.Graphic.prototype.drawTrace=function(a,c){""!=this.family?this.drawFamilyAux(this.traceCtx,a,c):0<this.evaluator.eval(this.drawif)&&(this.update(),this.drawAux(this.traceCtx,
a,c))};a.Graphic.prototype.drawText=function(a,d,b,f,g,r,q,t,v,e,n){if("rtfNode"===d.type)a.fillStyle=g.getColor(),a.strokeStyle=g.getColor(),a.textBaseline="alphabetic",d.draw(a,b,f+1,v,e,q,n,g.getColor());else for("simpleText"===d.type&&(d=d.toString(v,e).split("\\n")),b+=/Arial|Times/i.test(r)?-2:0,h=this.evaluator,a.fillStyle=g.getColor(),a.font=r,a.textAlign=q,a.textBaseline=t,this.border&&(a.strokeStyle=this.border.getColor(),a.lineWidth=4),c=1.2*this.fontSize||0,g=0,r=d.length;g<r;g++)p=d[g],
this.border&&(a.lineJoin="round",a.miterLimit=2,a.strokeText(p,b,f+c*g)),a.fillText(p,b,f+c*g)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.SimpleText=function(a,d){this.text=d=d.replace("&#x2013","\u2013").replace(/\&squot;/g,"'");this.textElements=[];this.textElementsMacros=[];this.parent=a;this.evaluator=a.evaluator;this.type="simpleText";for(var c="'",l=0,k=0,b=-1,h,g;l<d.length;)h=d.charAt(l),g=d.charAt(l-1),"["===h&&"\\"===g?(this.textElements.push(d.substring(k,
l-1)+"["),this.textElementsMacros.push("'"+d.substring(k,l-1)+"['"),k=l+1):"]"===h&&"\\"===g?(this.textElements.push(d.substring(k,l-1)+"]"),this.textElementsMacros.push("'"+d.substring(k,l-1)+"]'"),k=l+1):"["===h&&-1===b?(this.textElements.push(d.substring(k,l)),this.textElementsMacros.push("'"+d.substring(k,l)+"'"),k=l,b++):"["===h?b++:"]"===h&&0===b?(this.textElements.push(this.evaluator.parser.parse(d.substring(k,l+1))),this.textElementsMacros.push("["+d.substring(k,l+1)+"]"),k=l+1,b--):("]"==
d.charAt(l)&&(b=0>b?b:b-1),c+=d.charAt(l)),l++;this.textElements.push(d.substring(k,l));this.textElementsMacros.push("'"+d.substring(k,l)+"'")};var h,d;a.SimpleText.prototype.toString=function(f,p){h="";for(var c=0,l=this.textElements.length;c<l;c++)"string"===typeof this.textElements[c]?h+=this.textElements[c]:(d=this.evaluator.eval(this.textElements[c])[0][0],""!==d&&("string"===typeof d?h+=d:(d=parseFloat(d),d=p?d.toFixed(f):a.removeNeedlessDecimals(d.toFixed(f)),h+=d.toString().replace(".",this.parent.decimal_symbol))));
return h};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l,k,b,u,g,r,q,t,v,e,n,w,m,x,A,C,D,E,H,F,J,B;a._debug_vez=0;a.Equation=function(b,c){this.width=b.evaluator.parser.parse("1");this.fillM=this.fillP="";a.Graphic.call(this,b,c);this.parseExpression();(this.visible=2===this.parent.version&&void 0==this.visible?!0:this.visible)&&this.registerTextField();q=new a.R2;t=new a.R2;v=new a.R2;w=new a.R2;e=new a.R2;this.cInd=0};a.extend(a.Equation,a.Graphic);a.Equation.prototype.parseExpression=
function(){if("compOperator"===this.expresion.type){var b=this.expresion.childs[0],e=this.expresion.childs[1];"identifier"!=b.type||"y"!=b.value||e.contains("y")?"identifier"!=e.type||"y"!=e.value||b.contains("y")?"identifier"!=b.type||"x"!=b.value||e.contains("x")?"identifier"!=e.type||"x"!=e.value||b.contains("x")||(this.funExpr=e,this.of_y=!0,this.drawAux=this.drawAuxFun):(this.funExpr=e,this.of_y=!0,this.drawAux=this.drawAuxFun):(this.funExpr=b,this.of_y=!1,this.drawAux=this.drawAuxFun):(this.funExpr=
e,this.of_y=!1,this.drawAux=this.drawAuxFun)}this.newt=new a.R2Newton(this.evaluator,this.expresion)};a.Equation.prototype.update=function(){};a.Equation.prototype.draw=function(){""!=this.family?this.drawFamilyAux(this.ctx,this.fill,this.color):(this.update(),this.drawAux(this.ctx,this.fill,this.color))};a.Equation.prototype.drawFamilyAux=function(a,b,e){d=this.evaluator;this.getFamilyValues();tempParam=d.getVariable(this.family);if(0<=this.fSteps)for(var c=0,g=this.fSteps;c<=g;c++)d.setVariable(this.family,
this.familyInf+c*this.family_sep),this.update(),this.drawAux(a,b,e);d.setVariable(this.family,tempParam)};a.Equation.prototype.drawTrace=function(){this.uber.drawTrace.call(this,this.fill,this.trace)};var z,I,G,M,y,L,K;a.Equation.prototype.drawAux=function(N,T,O){if(!(0>=this.evaluator.eval(this.drawif))){d=this.evaluator;f=d.parser;p=this.space;c=d.eval(this.width);N.strokeStyle=this.color.getColor();N.lineWidth=c;l=f.getVariable("x");k=f.getVariable("y");b=p.w+24;u=p.h+24;g=b/9;3>g&&(g=3);r=u/7;
3>r&&(r=3);0==this.cInd?(h=[],this.cInd++):this.cInd=(this.cInd+1)%1E5;q.set(0,0);t.set(0,0);v.set(0,0);L=.25;K=8;this.abs_coord||(L/=p.scale,K/=p.scale);N.beginPath();for(B=parseInt(r/2);B<u;B+=r)for(J=parseInt(g/2);J<b;J+=g){if(this.abs_coord){w.set(J,B);n=this.newt.findZero(w,L);if(null==n)continue;d.setVariable("x",n.x);d.setVariable("y",n.y);e.set(n.x,n.y)}else{w.set(p.getRelativeX(J),p.getRelativeY(B));n=this.newt.findZero(w,L);if(null==n)continue;d.setVariable("x",n.x);d.setVariable("y",n.y);
e.set(p.getAbsoluteX(n.x),p.getAbsoluteY(n.y))}m=e.ix();x=e.iy();if(-12<=m&&m<b+24&&-12<=x&&x<u+24){if(h[m+12+(x+12)*p.w]===this.cInd)continue;h[m+12+(x+12)*p.w]=this.cInd}a.rangeOK&&(N.moveTo(m,x),N.lineTo(m,x));q.x=n.x;q.y=n.y;t.x=n.x;t.y=n.y;A=this.newt.getUnitNormal();if(0!=A.x||0!=A.y)for(A.rotL90(),v.x=A.x,v.y=A.y,D=C=0,E=!1;2>D;)if(E&&(v.x=-A.x,v.y=-A.y,n.x=q.x,n.y=q.y,t.x=n.x,t.y=n.y,this.abs_coord?e.set(n.x,n.y):e.set(p.getAbsoluteX(n.x),p.getAbsoluteY(n.y)),m=e.ix(),x=e.iy(),E=!1,C=0),n.x+=
K*v.x,n.y+=K*v.y,n=this.newt.findZero(n,L),null!=n){d.setVariable("x",n.x);d.setVariable("y",n.y);v.x=n.x-t.x;v.y=n.y-t.y;v.normalize();if(0==v.x&&0==v.y)break;t.x=n.x;t.y=n.y;this.abs_coord?e.set(n.x,n.y):e.set(p.getAbsoluteX(n.x),p.getAbsoluteY(n.y));H=parseInt(e.ix());F=parseInt(e.iy());if(H!=m||F!=x)if(z=m,I=x,m=H,x=F,-12<=m&&m<b+24&&-12<=x&&x<u+24){C=0;G=h[m+12+(x+12)*p.w];h[m+12+(x+12)*p.w]=this.cInd;for(T=1;8>T;T++)M=z+Math.round((m-z)*T/8),y=I+Math.round((x-I)*T/8),0<=M&&M<b&&0<=y&&y<u&&(h[M+
12+(y+12)*p.w]=this.cInd);a.rangeOK&&(N.moveTo(z,I),N.lineTo(m,x));if(G===this.cInd)break}else E=!0,D++;else 4<++C&&(E=!0,D++)}}N.stroke()}};a.Equation.prototype.X=function(a,b,e){e||(b=this.space.w/2+this.space.Ox+this.space.scale*b);b<-a&&(b=-a);b>this.space.w+a&&(b=this.space.w+a);return b};a.Equation.prototype.Y=function(a,b,e){e||(b=this.space.h/2+this.space.Oy-this.space.scale*b);b<-a&&(b=-a);b>this.space.h+a&&(b=this.space.h+a);return b};a.Equation.prototype.XX=function(a,b,e){return Math.round(this.X(a,
b,e))};a.Equation.prototype.YY=function(a,b,e){return Math.round(this.Y(a,b,e))};a.Equation.prototype.extrapolate=function(b,e,c,d,g,k){for(var q=this.evaluator.getVariable(e),f=k/2,n=0,l,m,r,h,t,v;1E-15<Math.abs(f);){l=this.evaluator.getVariable(e);m=this.evaluator.getVariable(e)+f;this.evaluator.setVariable(e,m);r=!0;try{h=g,g=this.evaluator.eval(this.funExpr),this.evaluator.setVariable(c,g),0<this.evaluator.eval(b)?(t=new a.R2(Math.min(h,g),Math.max(h,g)),v=0,v=0<k?this.Singularity(Math.abs(f),
e,d,l,h,m,g,t):this.Singularity(Math.abs(f),e,d,m,g,l,h,t),0<v&&(r=!1)):r=!1}catch(u){r=!1}r?n+=f:this.evaluator.setVariable(e,l);f/=2}this.evaluator.setVariable(e,q);return new a.R2(n/Math.abs(k),g)};a.Equation.prototype.extrapolateOnSingularity=function(b,e,c,d,g,k){d=this.evaluator.getVariable(e);for(var q=k/2,f=0,l=g,n;1E-15<Math.abs(q);){this.evaluator.setVariable(e,this.evaluator.getVariable(e)+q);n=!0;if(0<this.evaluator.eval(b))try{l=this.evaluator.eval(this.funExpr),this.evaluator.setVariable(c,
l),0>=this.evaluator.eval(b)&&(n=!1)}catch(m){n=!1}else n=!1;n?f+=q:this.evaluator.setVariable(e,this.evaluator.getVariable(e)-q);q/=2}if(0==f)for(q=k/2,f=k,l=g;1E-15<Math.abs(q);){this.evaluator.setVariable(e,this.evaluator.getVariable(e)-q);n=!0;if(0<this.evaluator.eval(b))try{l=this.evaluator.eval(this.funExpr)}catch(m){n=!1}else n=!1;n?f+=-q:this.evaluator.setVariable(e,this.evaluator.getVariable(e)+q);q/=2}this.evaluator.setVariable(e,d);return new a.R2(f/Math.abs(k),l)};a.Equation.prototype.Singularity=
function(a,b,e,c,d,g,k,q){if(isNaN(k)||isNaN(d)||isNaN(q.y)||isNaN(q.x)||c>=g)return 2;var f=this.evaluator.getVariable(b),n=0;try{if(1E-15>Math.abs(g-c)||1E-12>Math.abs(g-c)&&Math.abs(k-d)>Math.abs(a))return this.evaluator.setVariable(b,f),1;var l=(c+g)/2;this.evaluator.setVariable(b,l);var m=NaN;try{m=this.evaluator.eval(this.funExpr)}catch(r){return 2}if(isNaN(m))return 2;if(Math.abs(k-d)>a){this.evaluator.setVariable(b,c-1E-12);var h=this.evaluator.eval(this.funExpr),h=(d-h)/1E-12;this.evaluator.setVariable(b,
g+1E-12);var t=(this.evaluator.eval(this.funExpr)-k)/1E-12;if((10>Math.abs(t)||10>Math.abs(h))&&(0<=t&&0<=h||0>=t&&0>=h)&&4*Math.abs(t)<Math.abs((k-d)/(g-c)))return this.evaluator.setVariable(b,f),2}if(isNaN(q.x)||isNaN(q.y)||isNaN(m))return 2;if(!(q.x<=m&&m<=q.y)){this.evaluator.setVariable(b,l);q.x=Math.min(d,m);q.y=Math.max(d,m);var v=this.Singularity(a/2,b,e,c,d,l,m,q);this.evaluator.setVariable(b,g);q.x=Math.min(k,m);q.y=Math.max(k,m);var u=this.Singularity(a/2,b,e,l,m,g,k,q),n=Math.max(v,u)}}catch(r){n=
1}this.evaluator.setVariable(b,f);return n};a.Equation.prototype.drawAuxFun=function(b,e,c){l=this.evaluator.parser.getVariable("x");k=this.evaluator.parser.getVariable("y");a.rangeOK=1;e="x";c="y";this.of_y&&(e="y",c="x");var d=this.drawif,g=this.evaluator.eval(this.width),q=!1,f=new a.R2(this.space.w/2+this.space.Ox,this.space.h/2+this.space.Oy),f=this.of_y?f.ix():f.iy(),n=0,m=0,r=0,h=0,t=1/this.space.scale,v=t*(this.of_y?Math.ceil(-this.space.h+(this.space.h/2+this.space.Oy)):-Math.ceil(this.space.w/
2+this.space.Ox)),u=0;this.abs_coord&&(v=0,t=1);for(var y,p,x,w,z,C,A,L,B,D=this.of_y?this.space.h+4:this.space.w+4;r<=D;){y=!0;p=0;this.evaluator.setVariable(e,v);try{x=this.evaluator.eval(this.funExpr),isNaN(x)||(this.evaluator.setVariable(c,x),0<this.evaluator.eval(this.drawif)&&a.rangeOK?(q?(w=Math.min(u,x),z=Math.max(u,x),C=new a.R2(w,z),p=this.Singularity(t,e,0,v-t,u,v,x,C),0===p?(u<=x?(u=C.x,x=C.y):(x=C.x,u=C.y),A=parseInt(this.of_y?this.XX(g,u,this.abs_coord):this.YY(g,u,this.abs_coord)),
n=this.abs_coord?Math.round(x):parseInt(this.of_y?this.XX(g,x,this.abs_coord):this.YY(g,x,this.abs_coord)),this.fillM&&n>f&&(b.lineWidth=1,b.strokeStyle=this.fillM.getColor(),b.beginPath(),this.of_y?(b.moveTo(f+1,this.space.h-r+.5),b.lineTo(n,this.space.h-r+.5)):(b.moveTo(r+.5,f+1),b.lineTo(r+.5,n)),b.stroke()),this.fillP&&n<f&&(b.lineWidth=1,b.strokeStyle=this.fillP.getColor(),b.beginPath(),this.of_y?(b.moveTo(f-1,this.space.h-r+.5),b.lineTo(n,this.space.h-r+.5)):(b.moveTo(r+.5,f-1),b.lineTo(r+.5,
n)),b.stroke()),b.lineWidth=g,b.strokeStyle=this.color.getColor(),b.beginPath(),this.of_y?(b.moveTo(A+.5,this.space.h-h),b.lineTo(n+.5,this.space.h-r)):(b.moveTo(h+.5,A),b.lineTo(r+.5,n))):1===p?(this.evaluator.setVariable(e,v-t),L=this.extrapolate(d,e,c,0,u,t),n=parseInt(this.of_y?this.XX(g,L.y,this.abs_coord):this.YY(g,L.y,this.abs_coord)),b.lineWidth=g,b.strokeStyle=this.color.getColor(),b.beginPath(),this.of_y?(b.moveTo(m+.5,this.space.h-h),b.lineTo(n+.5,this.space.h-h+Math.round(L.x))):(b.moveTo(h+
.5,m),b.lineTo(h+Math.round(L.x)+.5,n)),this.evaluator.setVariable(e,v),B=this.extrapolate(d,e,c,0,x,-t),m=this.YY(g,B.y,this.abs_coord),n=this.YY(g,x,this.abs_coord),b.lineWidth=g,b.strokeStyle=this.color.getColor(),b.beginPath(),this.of_y?(b.moveTo(m+.5,this.space.h-r),b.lineTo(n+.5,this.space.h-r)):(b.moveTo(r+.5,m),b.lineTo(r+.5,n))):(n=parseInt(this.of_y?this.XX(g,x,this.abs_coord):this.YY(g,x,this.abs_coord)),b.lineWidth=g,b.strokeStyle=this.color.getColor(),b.beginPath(),this.of_y?(b.moveTo(n+
.5,this.space.h-r),b.lineTo(n+.5,this.space.h-r)):(b.moveTo(r+.5,n),b.lineTo(r+.5,n)))):(B=this.extrapolateOnSingularity(d,e,c,0,x,-t),m=this.of_y?this.XX(g,B.y,this.abs_coord):this.YY(g,B.y,this.abs_coord),n=parseInt(this.of_y?this.XX(g,x,this.abs_coord):this.YY(g,x,this.abs_coord)),b.lineWidth=g,b.strokeStyle=this.color.getColor(),b.beginPath(),this.of_y?(b.moveTo(m,this.space.h-(r+Math.round(B.x))+.5),b.lineTo(n,this.space.h-r+.5)):(b.moveTo(r+Math.round(B.x),m),b.lineTo(r,n))),b.stroke(),u=x):
y=!1)}catch(G){y=!1}q&&!y&&(this.evaluator.setVariable(e,v-t),this.evaluator.setVariable(c,u),L=this.extrapolate(d,e,c,0,u,t),n=parseInt(this.of_y?this.XX(g,L.y,this.abs_coord):this.YY(g,L.y,this.abs_coord)),0<this.evaluator.eval(this.drawif)&&a.rangeOK&&(b.lineWidth=g,b.strokeStyle=this.color.getColor(),b.beginPath(),this.of_y?(b.moveTo(m,this.space.h-(h+Math.round(L.x))+.5),b.lineTo(n,this.space.h-(h+Math.round(L.x))+.5)):(b.moveTo(h+Math.round(L.x)+.5,m),b.lineTo(h+Math.round(L.x)+.5,n)),b.stroke()),
this.evaluator.setVariable(e,v));q=y;v+=t;m=n;h=r++}this.evaluator.parser.setVariable("x",l);this.evaluator.parser.setVariable("y",k)};a.Equation.prototype.registerTextField=function(){var a=document.createElement("input");a.value=this.expresionString;a.disabled=!this.editable;var b=this;a.onkeydown=function(a){13==a.keyCode&&(b.expresion=b.evaluator.parser.parse(this.value),b.parseExpression(),b.parent.update())};this.parent.editableRegion.textFields.push(a)};return a}(descartesJS||{}),descartesJS=
function(a){if(a.loadLib)return a;var h=Math.round,d,f,p,c,l,k,b,u,g,r,q;a.Curve=function(b,c){this.parameter="t";this.parameter_interval=b.evaluator.parser.parse("[0,1]");this.parameter_steps=b.evaluator.parser.parse("8");this.width=b.evaluator.parser.parse("1");this.fill="";a.Graphic.call(this,b,c);(this.visible=2==this.parent.version&&void 0==this.visible)&&this.registerTextField()};a.extend(a.Curve,a.Graphic);a.Curve.prototype.update=function(){d=this.evaluator;f=d.eval(this.parameter_interval);
this.paraInf=f[0][0];this.paraSup=f[0][1];this.pSteps=d.eval(this.parameter_steps);this.paraSep=0<this.pSteps?Math.abs(this.paraSup-this.paraInf)/this.pSteps:0};a.Curve.prototype.draw=function(){this.uber.draw.call(this,this.fill,this.color)};a.Curve.prototype.drawTrace=function(){this.uber.drawTrace.call(this,this.fill,this.trace)};a.Curve.prototype.drawAux=function(f,v,e){d=this.evaluator;p=this.space;c=h(d.eval(this.width));f.lineWidth=0<c?c:1E-6;f.lineCap="round";f.lineJoin="round";f.strokeStyle=
e.getColor();l=d.getVariable(this.parameter);f.beginPath();d.setVariable(this.parameter,this.paraInf);k=d.eval(this.expresion);this.exprX=h(this.abs_coord?k[0][0]:p.getAbsoluteX(k[0][0]));this.exprY=h(this.abs_coord?k[0][1]:p.getAbsoluteY(k[0][1]));this.rotateExp&&(b=a.degToRad(d.eval(this.rotateExp)),u=Math.cos(b),g=Math.sin(b),r=this.exprX*u-this.exprY*g,q=this.exprX*g+this.exprY*u,this.exprX=r,this.exprY=q);f.moveTo(this.exprX+.5,this.exprY+.5);for(e=1;e<=this.pSteps;e++)d.setVariable(this.parameter,
this.paraInf+e*this.paraSep),k=d.eval(this.expresion),this.exprX=this.abs_coord?h(k[0][0]):h(p.getAbsoluteX(k[0][0])),this.exprY=this.abs_coord?h(k[0][1]):h(p.getAbsoluteY(k[0][1])),this.rotateExp&&(r=this.exprX*u-this.exprY*g,q=this.exprX*g+this.exprY*u,this.exprX=r,this.exprY=q),f.lineTo(this.exprX+.5,this.exprY+.5);this.fill&&(f.fillStyle=v.getColor(),f.fill("evenodd"));f.stroke();d.setVariable(this.parameter,l)};a.Curve.prototype.registerTextField=function(){var a=document.createElement("input");
a.value=this.expresionString;a.disabled=!this.editable;var b=this;a.onkeydown=function(a){13==a.keyCode&&(b.expresion=b.evaluator.parser.parse(this.value),b.parent.update())};this.parent.editableRegion.textFields.push(a)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=2*Math.PI,d=Math.round,f,p,c,l,k,b,u,g,r,q,t,v,e,n;a.Sequence=function(b,e){this.size=b.evaluator.parser.parse("2");this.range=b.evaluator.parser.parse("[1, 100]");a.Graphic.call(this,b,e)};a.extend(a.Sequence,
a.Graphic);a.Sequence.prototype.update=function(){f=this.evaluator;c=f.eval(this.expresion);this.exprX=c[0][0];this.exprY=c[0][1];this.rotateExp&&(l=a.degToRad(f.eval(this.rotateExp)),k=Math.cos(l),b=Math.sin(l),u=this.exprX*k-this.exprY*b,g=this.exprX*b+this.exprY*k,this.exprX=u,this.exprY=g);t=f.eval(this.range);this.rangeInf=t[0][0];this.rangeMax=t[0][1]};a.Sequence.prototype.draw=function(){this.uber.draw.call(this,this.color,this.color)};a.Sequence.prototype.drawTrace=function(){this.uber.drawTrace.call(this,
this.trace,this.trace)};a.Sequence.prototype.drawAux=function(a,b){f=this.evaluator;p=this.space;e=v=Math.ceil(f.eval(this.size)-.4);a.fillStyle=b.getColor();a.beginPath();this.rangeInf>this.rangeMax&&(n=this.rangeInf,this.rangeInf=this.rangeMax,this.rangeMax=n);for(var g=f.getVariable("n"),k=this.rangeInf,l=this.rangeMax;k<=l;k++)f.setVariable("n",k),c=f.eval(this.expresion),this.exprX=c[0][0],this.exprY=c[0][1],r=d(this.abs_coord?this.exprX:p.getAbsoluteX(this.exprX)),q=d(this.abs_coord?this.exprY:
p.getAbsoluteY(this.exprY)),a.beginPath(),a.arc(r,q,v,0,h,!0),a.fill();a.fill();this.text!=[""]&&this.uber.drawText.call(this,a,this.text,r+e,q-e,this.color,this.font,"start","alphabetic",f.eval(this.decimals),this.fixed,!0);f.setVariable("n",g)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=2*Math.PI,d=Math.round,f,p,c,l,k,b,u,g,r,q,t,v;a.Point=function(b,c){this.size=b.evaluator.parser.parse("2");a.Graphic.call(this,b,c)};a.extend(a.Point,a.Graphic);a.Point.prototype.update=
function(){f=this.evaluator;c=f.eval(this.expresion);this.exprX=c[0][0];this.exprY=c[0][1];this.rotateExp&&(l=a.degToRad(f.eval(this.rotateExp)),k=Math.cos(l),b=Math.sin(l),u=this.exprX*k-this.exprY*b,g=this.exprX*b+this.exprY*k,this.exprX=u,this.exprY=g)};a.Point.prototype.draw=function(){this.uber.draw.call(this,this.color,this.color)};a.Point.prototype.drawTrace=function(){this.uber.drawTrace.call(this,this.trace,this.trace)};a.Point.prototype.drawAux=function(a,b){f=this.evaluator;p=this.space;
t=d(f.eval(this.size));v=t+1;a.fillStyle=b.getColor();r=d(this.abs_coord?this.exprX:p.getAbsoluteX(this.exprX));q=d(this.abs_coord?this.exprY:p.getAbsoluteY(this.exprY));a.beginPath();a.arc(r,q,t,0,h,!0);a.fill();this.text!=[""]&&this.uber.drawText.call(this,a,this.text,r+v+1,q-v,this.color,this.font,"start","alphabetic",f.eval(this.decimals),this.fixed,!0)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.round,d=2*Math.PI,f,p,c,l,k,b,u,g,r,q,t,v,e,n,w,m,x,A;a.Segment=
function(b,e){this.width=b.evaluator.parser.parse("1");this.size=b.evaluator.parser.parse("2");a.Graphic.call(this,b,e)};a.extend(a.Segment,a.Graphic);a.Segment.prototype.update=function(){f=this.evaluator;c=f.eval(this.expresion);this.endPoints=[];for(var e=0,d=c.length;e<d;e++)this.endPoints[e]={x:c[e][0],y:c[e][1]};if(this.rotateExp)for(l=a.degToRad(f.eval(this.rotateExp)),k=Math.cos(l),b=Math.sin(l),e=0,d=this.endPoints.length;e<d;e++)u=this.endPoints[e].x*k-this.endPoints[e].y*b,g=this.endPoints[e].x*
b+this.endPoints[e].y*k,this.endPoints[e].x=u,this.endPoints[e].y=g};a.Segment.prototype.draw=function(){this.uber.draw.call(this,this.color,this.color)};a.Segment.prototype.drawTrace=function(){this.uber.drawTrace.call(this,this.trace,this.trace)};a.Segment.prototype.drawAux=function(a,b,c){f=this.evaluator;p=this.space;r=h(f.eval(this.width));a.lineWidth=0<r?r:1E-6;e=f.eval(this.size);0>e&&(e=0);a.fillStyle=b.getColor();a.strokeStyle=c.getColor();a.lineCap="round";q=10+a.lineWidth;n=0==a.lineWidth%
2?0:.5;this.abs_coord?(w=h(this.endPoints[0].x),m=h(this.endPoints[0].y),x=h(this.endPoints[1].x),A=h(this.endPoints[1].y)):(w=h(p.getAbsoluteX(this.endPoints[0].x)),m=h(p.getAbsoluteY(this.endPoints[0].y)),x=h(p.getAbsoluteX(this.endPoints[1].x)),A=h(p.getAbsoluteY(this.endPoints[1].y)));a.beginPath();a.moveTo(w+n,m+n);a.lineTo(x+n,A+n);a.stroke();a.beginPath();a.arc(w,m,e,0,d,!0);a.arc(x,A,e,0,d,!0);a.fill();this.text!=[""]&&(t=parseInt((w+x)/2)-3,v=parseInt((m+A)/2)+3,this.uber.drawText.call(this,
a,this.text,t+q,v-q,this.color,this.font,"start","alphabetic",f.eval(this.decimals),this.fixed,!0))};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.floor,d=Math.round,f,p,c,l,k,b,u,g,r,q,t,v,e,n,w,m,x,A;a.Arrow=function(b,e){this.width=b.evaluator.parser.parse("5");this.size=b.evaluator.parser.parse("2");this.spear=b.evaluator.parser.parse("8");this.arrow=new a.Color("ee0022");a.Graphic.call(this,b,e)};a.extend(a.Arrow,a.Graphic);a.Arrow.prototype.update=function(){f=
this.evaluator;p=f.eval(this.expresion);this.endPoints=[];for(var e=0,g=p.length;e<g;e++)this.endPoints[e]={x:p[e][0],y:p[e][1]};if(this.rotateExp)for(c=a.degToRad(f.eval(this.rotateExp)),l=Math.cos(c),k=Math.sin(c),e=0,g=this.endPoints.length;e<g;e++)b=this.endPoints[e].x*l-this.endPoints[e].y*k,u=this.endPoints[e].x*k+this.endPoints[e].y*l,this.endPoints[e].x=b,this.endPoints[e].y=u};a.Arrow.prototype.draw=function(){this.uber.draw.call(this,this.arrow,this.color)};a.Arrow.prototype.drawTrace=function(){this.uber.drawTrace.call(this,
this.arrow,this.trace)};a.Arrow.prototype.drawAux=function(b,c,k){f=this.evaluator;g=this.space;f.eval(this.size);t=f.eval(this.width);0>t&&(t=0);v=Math.ceil(t/2);e=g.scale;this.vect=new a.Vector2D(this.endPoints[1].x-this.endPoints[0].x,this.endPoints[1].y-this.endPoints[0].y);n=this.vect.vectorLength();this.angle=this.vect.angleBetweenVectors(a.Vector2D.AXIS_X);b.fillStyle=c.getColor();b.strokeStyle=k.getColor();b.lineWidth=2;this.abs_coord?(w=d(this.endPoints[0].x),m=d(this.endPoints[0].y),x=d(this.endPoints[1].x),
A=d(this.endPoints[1].y)):(w=d(g.getAbsoluteX(this.endPoints[0].x)),m=d(g.getAbsoluteY(this.endPoints[0].y)),x=d(g.getAbsoluteX(this.endPoints[1].x)),A=d(g.getAbsoluteY(this.endPoints[1].y)));c=f.eval(this.spear);0>c&&(c=0);b.save();b.translate(w,m,n);this.abs_coord?0<=this.vect.x&&0<=this.vect.y||0>=this.vect.x&&0<=this.vect.y?b.rotate(this.angle):b.rotate(-this.angle):(n*=e,0<=this.vect.x&&0<=this.vect.y||0>=this.vect.x&&0<=this.vect.y?b.rotate(-this.angle):b.rotate(this.angle));b.beginPath();b.moveTo(-v,
h(-v));b.lineTo(h(n-c-t),h(-v));b.lineTo(h(n-2*c),h(-c-v));b.lineTo(h(n),0);b.lineTo(h(n-2*c),h(c+v));b.lineTo(h(n-c-t),h(v));b.lineTo(-v,h(v));b.closePath();b.stroke();b.fill();b.restore();this.text!=[""]&&(r=parseInt((w+x)/2)-3,q=parseInt((m+A)/2)+3,this.uber.drawText.call(this,b,this.text,r,q,k,this.font,"start","alphabetic",f.eval(this.decimals),this.fixed,!0))};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.round,d,f,p,c,l,k,b,u,g,r,q,t;a.Polygon=function(b,
e){this.width=b.evaluator.parser.parse("1");this.fill="";a.Graphic.call(this,b,e);this.endPoints=[]};a.extend(a.Polygon,a.Graphic);a.Polygon.prototype.update=function(){d=this.evaluator;p=d.eval(this.expresion);for(var g=0,e=p.length;g<e;g++)this.endPoints[g]={x:p[g][0],y:p[g][1]};if(this.rotateExp)for(c=a.degToRad(d.eval(this.rotateExp)),l=Math.cos(c),k=Math.sin(c),g=0,e=this.endPoints.length;g<e;g++)b=this.endPoints[g].x*l-this.endPoints[g].y*k,u=this.endPoints[g].x*k+this.endPoints[g].y*l,this.endPoints[g].x=
b,this.endPoints[g].y=u};a.Polygon.prototype.draw=function(){this.uber.draw.call(this,this.fill,this.color)};a.Polygon.prototype.drawTrace=function(){this.uber.drawTrace.call(this,this.trace,this.trace)};a.Polygon.prototype.drawAux=function(a,b,c){d=this.evaluator;f=this.space;g=h(d.eval(this.width));a.lineWidth=0<g?g:1E-6;a.strokeStyle=c.getColor();a.lineCap="round";a.lineJoin="round";r=0<g?.5:0;q=h(this.abs_coord?this.endPoints[0].x:f.getAbsoluteX(this.endPoints[0].x));t=h(this.abs_coord?this.endPoints[0].y:
f.getAbsoluteY(this.endPoints[0].y));a.beginPath();a.moveTo(q+r,t+r);c=1;for(var k=this.endPoints.length;c<k;c++)q=h(this.abs_coord?this.endPoints[c].x:f.getAbsoluteX(this.endPoints[c].x)),t=h(this.abs_coord?this.endPoints[c].y:f.getAbsoluteY(this.endPoints[c].y)),a.lineTo(q+r,t+r);this.fill&&(a.fillStyle=b.getColor(),a.fill());a.stroke()};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.round,d=Math.min,f=Math.max,p=Math.acos,c=Math.sqrt,l=Math.PI,k=l/2,b=2*l,u,
g,r,q,t,v,e,n,w,m,x,A,C,D,E,H,F,J,B,z,I;a.Arc=function(b,e){this.width=b.evaluator.parser.parse("1");this.fill="";this.center=b.evaluator.parser.parse("(0,0)");this.radius=b.evaluator.parser.parse("1");this.init="0";this.end="90";a.Graphic.call(this,b,e);this.init.match(/^_\(/)&&(this.initFlag=!0,this.init=this.init.substring(1));this.end.match(/^_\(/)&&(this.endFlag=!0,this.end=this.end.substring(1));this.initExpr=b.evaluator.parser.parse(this.init);this.endExpr=b.evaluator.parser.parse(this.end)};
a.extend(a.Arc,a.Graphic);a.Arc.prototype.update=function(){u=this.evaluator;g=u.eval(this.center);this.exprX=g[0][0];this.exprY=g[0][1];r=0;this.rotateExp&&(r=a.degToRad(u.eval(this.rotateExp)),q=Math.cos(r),t=Math.sin(r),v=this.exprX*q-this.exprY*t,e=this.exprX*t+this.exprY*q,this.exprX=v,this.exprY=e);var h=u.eval(this.initExpr),z=u.eval(this.endExpr);/^(\(|\[)expr(\)|\])$/i.test(this.initExpr.type)&&/^(\(|\[)expr(\)|\])$/i.test(this.endExpr.type)?(n=h[0][0],w=h[0][1],m=z[0][0],x=z[0][1],this.vectors?
this.abs_coord&&(w=-w,x=-x):this.abs_coord?(n-=this.exprX,w=-w+this.exprY,m-=this.exprX,x=-x+this.exprY):(n-=this.exprX,w-=this.exprY,m-=this.exprX,x-=this.exprY),A=0==n?0>w?-k:k:p(1*n/c(n*n+w*w)),C=0==m?0>x?-k:k:p(1*m/c(m*m+x*x)),A+=r,C+=r,0<n&&0<w&&this.abs_coord&&(A=b-A),0<n&&0>w&&!this.abs_coord&&(A=b-A),0>n&&0>w&&!this.abs_coord&&(A=b-A),0>n&&0<w&&this.abs_coord&&(A=b-A),0<m&&0<x&&this.abs_coord&&(C=b-C),0<m&&0>x&&!this.abs_coord&&(C=b-C),0>m&&0>x&&!this.abs_coord&&(C=b-C),0>m&&0<x&&this.abs_coord&&
(C=b-C),this.initFlag?(D=A,A=C,C=D):(D=d(A,C),E=f(A,C),A=D,C=E,C-A>l&&this.abs_coord&&(A=E,C=D),C-A<=l&&!this.abs_coord&&(A=E,C=D)),this.iniAng=A,this.endAng=C,this.drawPoints=!0):(this.iniAng=a.degToRad(h)+r,this.endAng=a.degToRad(z)+r,this.drawAngle=!0)};a.Arc.prototype.draw=function(){this.uber.draw.call(this,this.fill,this.color)};a.Arc.prototype.drawTrace=function(){this.uber.drawTrace.call(this,this.fill,this.trace)};a.Arc.prototype.drawAux=function(a,b,e){u=this.evaluator;H=this.space;B=u.eval(this.radius);
0>B&&(B=0);I=h(u.eval(this.width));a.lineWidth=0<I?I:1E-6;a.lineCap="round";a.strokeStyle=e.getColor();this.drawAngle?(this.abs_coord?(F=h(this.exprX),J=h(this.exprY)):(F=h(H.getAbsoluteX(this.exprX)),J=h(H.getAbsoluteY(this.exprY)),B*=H.scale,this.iniAng=-this.iniAng,this.endAng=-this.endAng),this.iniAng>this.endAng&&(z=this.iniAng,this.iniAng=this.endAng,this.endAng=z)):this.drawPoints&&(this.abs_coord?(F=h(this.exprX),J=h(this.exprY)):(F=h(H.getAbsoluteX(this.exprX)),J=h(H.getAbsoluteY(this.exprY)),
B*=H.scale,this.iniAng=-this.iniAng,this.endAng=-this.endAng));this.fill&&(a.fillStyle=b.getColor(),a.beginPath(),a.moveTo(F,J),a.arc(F,J,B,this.iniAng,this.endAng,void 0),a.fill());a.beginPath();a.arc(F,J,B,this.iniAng,this.endAng,void 0);a.stroke();this.text!=[""]&&this.uber.drawText.call(this,a,this.text,F+4,J-2,this.color,this.font,"start","alphabetic",u.eval(this.decimals),this.fixed,!0)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l,k,b,u,g,r,q,t,v,
e,n,w,m,x;a.Text=function(b,e){this.width=b.evaluator.parser.parse("0");a.Graphic.call(this,b,e);this.align||(this.align="start");this.ascent=this.fontSize-Math.ceil(this.fontSize/7)-(this.font.match("Courier")?3:0);this.descent=a.getFontMetrics(this.font).descent;this.abs_coord=!0};a.extend(a.Text,a.Graphic);a.Text.prototype.update=function(){h=this.evaluator;d=h.eval(this.expresion);this.exprX=d[0][0];this.exprY=d[0][1];this.rotateExp&&(f=a.degToRad(h.eval(this.rotateExp)),p=Math.cos(f),c=Math.sin(f),
l=this.exprX*p-this.exprY*c,k=this.exprX*c+this.exprY*p,this.exprX=l,this.exprY=k);4<=d[0].length&&(this.centered=!0,this.exprW=d[0][2],this.exprH=d[0][3])};a.Text.prototype.draw=function(){this.uber.draw.call(this,this.color)};a.Text.prototype.drawTrace=function(){this.uber.drawTrace.call(this,this.color)};a.Text.prototype.drawAux=function(a,b){m=this.evaluator.eval(this.decimals);"rtfNode"===this.text.type?(r=this.text,this.ascent=0):r=this.splitText(this.text.toString(m,this.fixed).split("\\n"));
if(this.text!=[""]){var e=parseInt(this.exprX)+5,c=parseInt(this.exprY)+this.ascent;this.centered&&(e=this.getMaxWidth(r),e=parseInt(this.exprX+(this.exprW-e)/2),c=parseInt(this.exprY+this.descent+(this.exprH-1.2*this.fontSize*(r.length-1))/2));this.uber.drawText.call(this,a,r,e,c,b,this.font,this.align,"alphabetic",m,this.fixed)}};a.Text.prototype.splitText=function(e){h=this.evaluator;b=h.eval(this.width);r=[];if(20<=b&&"undefined"!=e.type){for(var c=0,d=e.length;c<d;c++)u=e[c],g=a.getTextWidth(u,
this.font),g>b?r=r.concat(this.splitWords(u,b)):r.push(u);q=Math.floor(1.2*this.fontSize)*r.length;h.setVariable("_Text_H_",q);return r}h.setVariable("_Text_H_",0);return e};a.Text.prototype.splitWords=function(b,c){t=b;v=[];e="";for(var g=w=0,d=b.length;g<d;g++)n=t.charAt(g)," "===n&&(lastIndexOfWhite=g),e+=n,a.getTextWidth(e,this.font)>c&&(x=b.substring(w,g+1)," "!==n&&(-1===x.indexOf(" ")?(lastIndexOfWhite=g,g--):g=lastIndexOfWhite),v.push(b.substring(w,lastIndexOfWhite)),e="",w=g+1);v.push(b.substring(w));
return v};a.Text.prototype.getMaxWidth=function(b){for(var e=-1,c=0,g=b.length;c<g;c++)u=b[c],e=Math.max(e,a.getTextWidth(u,this.font));return e};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.round,d,f,p,c,l,k,b,u,g,r,q,t,v,e,n,w;a.Image=function(b,e){this.file="";this.inirot=b.evaluator.parser.parse("0");a.Graphic.call(this,b,e);this.img=new Image;this.scaleY=this.scaleX=1;this.ratio=b.ratio;this.update()};a.extend(a.Image,a.Graphic);a.Image.prototype.update=
function(){d=this.evaluator;f=d.eval(this.expresion);this.exprX=f[0][0];this.exprY=f[0][1];this.rotateExp&&(p=a.degToRad(d.eval(this.rotateExp)),c=Math.cos(p),l=Math.sin(p),k=this.exprX*c-this.exprY*l,b=this.exprX*l+this.exprY*c,this.exprX=k,this.exprY=b);4<=f[0].length&&(this.centered=!0,this.scaleX=f[0][2],this.scaleY=f[0][3]);f[1]&&2==f[1].length&&(this.centered=!0,this.scaleX=f[1][0],this.scaleY=f[1][1]);0==this.scaleX&&(this.scaleX=1E-5);0==this.scaleY&&(this.scaleY=1E-5);if((u=d.eval(this.file))||
""==u)this.img=this.parent.getImage(u)};a.Image.prototype.draw=function(){this.uber.draw.call(this)};a.Image.prototype.drawTrace=function(){this.uber.drawTrace.call(this)};a.Image.prototype.drawAux=function(b){d=this.evaluator;g=this.space;this.img&&this.img.ready&&this.img.complete&&(n=this.img.width,w=this.img.height,this.img.canvas&&(n=h(n/this.ratio),w=h(w/this.ratio)),r=this.centered?0:h(n/2),q=this.centered?0:h(w/2),t=h(this.abs_coord?this.exprX:g.getAbsoluteX(this.exprX)),v=h(this.abs_coord?
this.exprY:g.getAbsoluteY(this.exprY)),e=a.degToRad(-d.eval(this.inirot)),b.save(),b.translate(t+r,v+q),b.rotate(e),this.opacity&&(b.globalAlpha=d.eval(this.opacity)),b.scale(this.scaleX,this.scaleY),b.drawImage(this.img,-n/2,-w/2,n,w),b.restore())};return a}(descartesJS||{}),descartesJS=function(a){function h(a,c,d){b=4*(c+d*a.width);return{r:a.data[b],g:a.data[b+1],b:a.data[b+2],a:a.data[b+3]}}if(a.loadLib)return a;var d,f,p,c,l,k,b,u;a.Fill=function(b,c){a.Graphic.call(this,b,c)};a.extend(a.Fill,
a.Graphic);a.Fill.prototype.update=function(){d=this.evaluator.eval(this.expresion);this.exprX=d[0][0];this.exprY=d[0][1]};a.Fill.prototype.draw=function(){this.uber.draw.call(this,this.color,this.color)};a.Fill.prototype.drawTrace=function(){this.uber.drawTrace.call(this,this.trace,this.trace)};a.Fill.prototype.drawAux=function(a,d){d.getColor();imageData=a.getImageData(0,0,this.space.w,this.space.h);this.abs_coord?(f=parseInt(this.exprX),p=parseInt(this.exprY)):(f=parseInt(this.space.getAbsoluteX(this.exprX)),
p=parseInt(this.space.getAbsoluteY(this.exprY)));if(!(0>f||0>p||f>=this.space.w||p>=this.space.h)){c=[[f,p]];k=h(imageData,f,p);for(u=0;0<c.length;){u++;l=c.pop();f=l[0];p=l[1];var q=h(imageData,f,p);if(k.r===q.r&&k.g===q.g&&k.b===q.b&&k.a===q.a){var q=imageData,t=d;b=4*(f+p*q.width);q.data[b+0]=t.r;q.data[b+1]=t.g;q.data[b+2]=t.b;q.data[b+3]=255*t.a;0<f&&c.push([f-1,p]);f<imageData.width-1&&c.push([f+1,p]);c.push([f,p-1]);c.push([f,p+1])}if(u>=this.space.w*this.space.h*3)break}a.putImageData(imageData,
0,0)}};return a}(descartesJS||{}),descartesJS=function(a,h){if(a.loadLib)return a;var d=new String("-_-rnd-pi-e-sqr-ra\u00edz-sqrt-exp-log-log10-abs-ent-sgn-ind-sen-sin-cos-tan-cot-sec-csc-senh-sinh-cosh-tanh-coth-sech-csch-asen-asin-acos-atan-min-max-_Num_-_Trace_-_Stop_Audios_-esCorrecto-escorrecto-_NumToStr_-_NumACadena_-_charAt_-_letraEn_-_substring_-_subcadena_-_length_-_longitud_-_indexOf_-\u00edndiceDe-_GetValues_-_GetMatrix_-_MatrixToStr_-_StrToMatrix_-_GetVector_-_VectorToStr_-_StrToVector_-_ExecStr_-_ExecBlock_-_Save_-_Open_-_SaveState_-_OpenState_-_AnchoDeCadena_-_strWidth_-_Rojo_-_Red_-_Verde_-_Green_-_Azul_-_Blue_-"),
f=/[\w\.\-//]*(\.png|\.jpg|\.gif|\.svg)/gi,p;a.Macro=function(c,l){this.hasExpresion=!1;this.inirot=c.evaluator.parser.parse("0");this.inipos=c.evaluator.parser.parse("(0,0)");a.Graphic.call(this,c,l);for(var k in l)"expresion"==k&&(this.hasExpresion=!0),l.hasOwnProperty(k)&&(this[k]=l[k]);this.graphics=[];k=c.lessonParser;var b=new a.Tokenizer;if(this.hasExpresion){"'"!==this.expresion.charAt(0)&&(this.expresion="'"+this.expresion+"'");this.expresion=this.evaluator.parser.parse(this.expresion);var u=
this.evaluator.eval(this.expresion),g;u&&((g=document.getElementById(u))&&"descartes/macro"==g.type?g=g.text:(g=a.openExternalFile(u))&&!g.match(/tipo_de_macro/g)&&(g=null));var r,q;if(g){q=g.replace(/&aacute;/g,"\u00e1").replace(/&eacute;/g,"\u00e9").replace(/&iacute;/g,"\u00ed").replace(/&oacute;/g,"\u00f3").replace(/&uacute;/g,"\u00fa").replace(/&Aacute;/g,"\u00c1").replace(/&Eacute;/g,"\u00c9").replace(/&Iacute;/g,"\u00cd").replace(/&Oacute;/g,"\u00d3").replace(/&Uacute;/g,"\u00da").replace(/&ntilde;/g,
"\u00f1").replace(/&Ntilde;/g,"\u00d1").replace(/\&gt;/g,">").replace(/\&lt;/g,"<").replace(/\&amp;/g,"&").replace(/\r/g,"").split("\n");g=[];for(var u=0,t=q.length;u<t;u++)if(r=q[u].indexOf("="),-1!==r){r=k.split(q[u]);for(var v=0,e=r.length;v<e;v++)r[v]&&1<r.length&&("id"!==h[r[v][0]]&&"type"!==h[r[v][0]]||g.push(r))}for(var n,p,u=0,t=g.length;u<t;u++)for(e=(v=g[u]||[],v[0])&&"id"===v[0][0],q=0,r=v.length;q<r;q++)if(n=v[q][0].indexOf("."),-1===n||e?n=h[v[q][0]]:(n=h[v[q][0].substring(n+1)],v[q][0]=
this.name+"."+v[q][0]),!("font"===n||("fill"===n||"color"===n||"border"===n||"arrow"===n)&&"("!==v[q][1].charAt(0)||"file"===n&&v[q][1].match(f)||"id"!==n&&void 0!==h[v[q][1]]))if("text"==n)if(v[q][1].match(/\{\\rtf1/)){n=v[q][1];var m=this;p=function(a,e){for(var c=b.tokenize(e.replace(/\&squot;/g,"'")),g=0,k=c.length;g<k;g++)"identifier"!=c[g].type||d.match("-"+c[g].value+"-")||(c[g].value=m.name+"."+c[g].value);return(a.match(/^\\expr/)?"\\expr ":"\\decimals ")+b.flatTokens(c)};n=n.replace(/\\expr ([a-zA-Z_0-9\u00C0-\u021B+*/%|&^#!?:()><.'\+\-]*)/gi,
p);n=n.replace(/\\decimals ([a-zA-Z_0-9\u00C0-\u021B+*/%|&^#!?:()><.'\+\-]*)/gi,p);v[q][1]=n}else{p=k.parseText(v[q][1]).textElementsMacros;for(var x=0,A=p.length;x<A;x++){n=b.tokenize(p[x].replace(/\&squot;/g,"'"));for(var C=0,D=n.length;C<D;C++)"identifier"!==n[C].type||d.match("-"+n[C].value+"-")||(n[C].value=this.name+"."+n[C].value);n=b.flatTokens(n).replace(/&squot;/g,"'").replace(/'\+\(/g,"[").replace(/\)\+'/g,"]");p[x]=n.substring(1,n.length-1)}v[q][1]=p.join("")}else{p=v[q][1].replace(/\&squot;/g,
"'").split(";");x=0;for(A=p.length;x<A;x++){n=b.tokenize(p[x].replace(/\\n/g,";"));C=0;for(D=n.length;C<D;C++)"identifier"!==n[C].type||d.match("-"+n[C].value+"-")||(n[C].value=this.name+"."+n[C].value);p[x]=b.flatTokens(n)}v[q][1]=p.join(";")}u=0;for(t=g.length;u<t;u++)if(g[u][0]){v="";e=!1;q=0;for(r=g[u].length;q<r;q++)"type"===h[g[u][q][0]]&&(v="espacio='"+this.spaceID+"' ",e=!0),v=v+g[u][q][0]+"='"+g[u][q][1]+"' ";g[u]=v;e?this.graphics.push(k.parseGraphic(g[u],this.abs_coord,this.background,
this.inirot)):k.parseAuxiliar(g[u])}}}};a.extend(a.Macro,a.Graphic);a.Macro.prototype.update=function(){p=this.evaluator.eval(this.inipos);this.iniPosX=p[0][0];this.iniPosY=p[0][1]};a.Macro.prototype.drawAux=function(a){for(var d=0,k=this.graphics.length;d<k;d++)this.graphics[d]&&(a.save(),this.graphics[d].abs_coord?a.translate(this.iniPosX,this.iniPosY):a.translate(this.iniPosX*this.space.scale,-this.iniPosY*this.space.scale),this.graphics[d].draw(),a.restore())};return a}(descartesJS||{},babel),
descartesJS=function(a){if(a.loadLib)return a;a.Generic=function(h,d){this.width=h.evaluator.parser.parse("1");a.Graphic.call(this,h,d)};a.extend(a.Generic,a.Graphic);a.Generic.prototype.update=function(){};a.Generic.prototype.draw=function(){this.uber.draw.call(this,this.fill,this.color)};a.Generic.prototype.drawTrace=function(){this.uber.drawTrace.call(this,this.trace,this.trace)};a.Generic.prototype.drawAux=function(a,d,f){var p=this.evaluator.getDefinition(this.expresionString);p&&p.draw(a,d,
f,this)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.sqrt,d=Math.sin,f=Math.cos,p,c,l,k,b,u,g,r,q,t,v,e,n,w,m;a.norm3D=function(a){return h(a.x*a.x+a.y*a.y+a.z*a.z)};a.normalize3D=function(b){p=a.norm3D(b);if(0===p)return{x:0,y:0,z:0};if(1===p)return{x:b.x,y:b.y,z:b.z};p=1/p;return{x:b.x*p,y:b.y*p,z:b.z*p}};a.dotProduct3D=function(a,b){return a.x*b.x+a.y*b.y+a.z*b.z};a.crossProduct3D=function(a,b){return{x:a.y*b.z-a.z*b.y,y:a.z*b.x-a.x*b.z,z:a.x*b.y-a.y*b.x}};
a.scalarProduct3D=function(a,b){return{x:a.x*b,y:a.y*b,z:a.z*b}};a.subtract3D=function(a,b){return{x:a.x-b.x,y:a.y-b.y,z:a.z-b.z}};a.add3D=function(a,b){return{x:a.x+b.x,y:a.y+b.y,z:a.z+b.z}};a.equals3DEpsilon=function(a,b,e){return Math.abs(a.x-b.x)<=e&&Math.abs(a.y-b.y)<=e&&Math.abs(a.z-b.z)<=e};a.Vector4D=function(a,b,e,c){this.x=a||0;this.y=b||0;this.z=e||0;this.w=c||0};a.Matrix4x4=function(a,b,e,c,g,d,k,q,f,n,m,l,r,h,t,v){this.a00=a||0;this.a01=b||0;this.a02=e||0;this.a03=c||0;this.a10=g||0;
this.a11=d||0;this.a12=k||0;this.a13=q||0;this.a20=f||0;this.a21=n||0;this.a22=m||0;this.a23=l||0;this.a30=r||0;this.a31=h||0;this.a32=t||0;this.a33=v||0};a.Matrix4x4.prototype.setIdentity=function(){this.a00=1;this.a10=this.a03=this.a02=this.a01=0;this.a11=1;this.a21=this.a20=this.a13=this.a12=0;this.a22=1;this.a32=this.a31=this.a30=this.a23=0;this.a33=1;return this};a.Matrix4x4.prototype.multiplyVector4=function(b){return new a.Vector4D(b.x*this.a00+b.y*this.a10+b.z*this.a20+b.w*this.a30,b.x*this.a01+
b.y*this.a11+b.z*this.a21+b.w*this.a31,b.x*this.a02+b.y*this.a12+b.z*this.a22+b.w*this.a32,b.x*this.a03+b.y*this.a13+b.z*this.a23+b.w*this.a33)};a.Matrix4x4.prototype.translate=function(b){return new a.Matrix4x4(this.a00,this.a01,this.a02,this.a03,this.a10,this.a11,this.a12,this.a13,this.a20,this.a21,this.a22,this.a23,this.a00*b.x+this.a10*b.y+this.a20*b.z+this.a30,this.a01*b.x+this.a11*b.y+this.a21*b.z+this.a31,this.a02*b.x+this.a12*b.y+this.a22*b.z+this.a32,this.a03*b.x+this.a13*b.y+this.a23*b.z+
this.a33)};a.Matrix4x4.prototype.rotateX=function(b){c=d(b);l=f(b);r=this.a10;q=this.a11;t=this.a12;v=this.a13;e=this.a20;n=this.a21;w=this.a22;m=this.a23;return new a.Matrix4x4(this.a00,this.a01,this.a02,this.a03,r*l+e*c,q*l+n*c,t*l+w*c,v*l+m*c,r*-c+e*l,q*-c+n*l,t*-c+w*l,v*-c+m*l,this.a30,this.a31,this.a32,this.a33)};a.Matrix4x4.prototype.rotateY=function(q){c=d(q);l=f(q);k=this.a00;b=this.a01;u=this.a02;g=this.a03;e=this.a20;n=this.a21;w=this.a22;m=this.a23;return new a.Matrix4x4(k*l+e*-c,b*l+n*
-c,u*l+w*-c,g*l+m*-c,this.a10,this.a11,this.a12,this.a13,k*c+e*l,b*c+n*l,u*c+w*l,g*c+m*l,this.a30,this.a31,this.a32,this.a33)};a.Matrix4x4.prototype.rotateZ=function(e){c=d(e);l=f(e);k=this.a00;b=this.a01;u=this.a02;g=this.a03;r=this.a10;q=this.a11;t=this.a12;v=this.a13;return new a.Matrix4x4(k*l+r*c,b*l+q*c,u*l+t*c,g*l+v*c,k*-c+r*l,b*-c+q*l,u*-c+t*l,g*-c+v*l,this.a20,this.a21,this.a22,this.a23,this.a30,this.a31,this.a32,this.a33)};return a}(descartesJS||{}),descartesJS=function(a){function h(a){0!==
parseInt(this.size)&&(a.lineWidth=1,a.fillStyle=this.backColor,a.strokeStyle=this.frontColor,a.beginPath(),a.arc(this.newV[0].x,this.newV[0].y,this.size+.5,0,l),a.fill(),a.stroke())}function d(a,b){a.lineCap="round";a.lineJoin="round";a.lineWidth="#"==this.backColor.charAt(0)||"#"==this.frontColor.charAt(0)?1:.1;a.beginPath();a.moveTo(this.newV[0].x,this.newV[0].y);for(var c=1,g=this.newV.length;c<g;c++)a.lineTo(this.newV[c].x,this.newV[c].y);a.closePath();"color"===this.model?(a.fillStyle=0<=this.direction?
this.backColor:this.frontColor,a.strokeStyle=a.fillStyle,a.stroke(),a.fill()):"light"===this.model||"metal"===this.model?(a.fillStyle=0<=this.direction?b.computeColor(this.backColor,this,"metal"===this.model):b.computeColor(this.frontColor,this,"metal"===this.model),a.strokeStyle=a.fillStyle,a.stroke(),a.fill()):"wire"===this.model&&(a.lineWidth=1.5,a.strokeStyle=this.frontColor,a.stroke());this.edges&&"wire"!==this.model&&(a.lineWidth=1,a.strokeStyle="#808080",a.stroke())}function f(a){q=this.evaluator.getVariable(this.family);
this.evaluator.setVariable(this.family,this.familyValue);this.drawText(a,this.text,this.newV[0].x,this.newV[0].y+this.displace,this.frontColor,this.font,"left","alphabetic",this.decimals,this.fixed,!0);this.evaluator.setVariable(this.family,q)}function p(a){a.lineCap="round";a.lineJoin="round";a.lineWidth=this.lineWidth;a.strokeStyle=this.frontColor;a.beginPath();a.moveTo(this.newV[0].x,this.newV[0].y);a.lineTo(this.newV[1].x,this.newV[1].y);a.stroke()}function c(c,e,g){k=a.subtract3D(c,e);b=a.subtract3D(c,
g);return a.normalize3D(a.crossProduct3D(k,b))}if(a.loadLib)return a;var l=2*Math.PI,k,b,u,g,r,q;a.Primitive3D=function(a,b){this.space=b;for(var g in a)a.hasOwnProperty(g)&&(this[g]=a[g]);this.newV=[];this.spaceVertices=[];"vertex"===this.type?this.draw=h:"face"===this.type?(this.normal=c(this.vertices[0],this.vertices[1],this.vertices[2]),this.draw=d):"text"===this.type?(this.fontSize=(this.fontSize=this.font.match(/(\d+)px/))?parseInt(this.fontSize[1]):10,this.draw=f):"edge"===this.type&&(this.draw=
p);this.isText&&(this.computeDepth=function(){this.newV=this.vertices;this.depth=this.vertices[0].z;this.average=this.vertices[0];this.passDraw=1})};a.Primitive3D.prototype.computeDepth=function(b){this.average={x:0,y:0,z:0};this.removeDoubles();this.normal={x:0,y:1,z:0};this.direction={x:1,y:0,z:0};for(var e=0,g=this.vertices.length;e<g;e++)this.newV[e]=b.rotateVertex(this.vertices[e]),this.spaceVertices[e]=b.rotateVertex(this.vertices[e]),this.average.x+=this.newV[e].x,this.average.y+=this.newV[e].y,
this.average.z+=this.newV[e].z;this.average=a.scalarProduct3D(this.average,1/g);this.averageP=b.project(this.average);this.depth=this.averageP.z;2<this.vertices.length&&(this.normal=c(this.newV[0],this.newV[1],this.newV[2]),this.direction=a.dotProduct3D(this.normal,a.normalize3D(b.eye)));this.passDraw=1;e=0;for(g=this.vertices.length;e<g;e++)this.newV[e]=b.project(this.newV[e]),this.passDraw=this.passDraw&&0<this.newV[e].z;b.new3D||(this.passDraw=1)};var t;a.Primitive3D.prototype.removeDoubles=function(){if("edge"!==
this.type){t=[];for(var a=0,b=this.vertices.length;a<b;a++)this.vertices[a].x===this.vertices[(a+1)%b].x&&this.vertices[a].y===this.vertices[(a+1)%b].y&&this.vertices[a].z===this.vertices[(a+1)%b].z&&this.vertices[a].w===this.vertices[(a+1)%b].w||t.push(this.vertices[a]);0===t.length&&t.push(this.vertices[0]);this.vertices=t}};a.Primitive3D.prototype.drawText=function(b,e,c,d,k,q,f,l,h,t,p){if("rtfNode"==e.type)b.fillStyle=k,b.strokeStyle=k,b.textBaseline="alphabetic",e.draw(b,c,d,h,t,f,p);else for("simpleText"===
e.type&&(e=e.toString(h,t).split("\\n")),c+=q.match("Arial")?-2:q.match("Times")?-2:0,u=this.evaluator,b.fillStyle=a.getColor(u,k),b.font=q,b.textAlign=f,b.textBaseline=l,g=1.2*this.fontSize||0,k=0,q=e.length;k<q;k++)r=e[k],this.border&&b.strokeText(r,c,d+g*k),b.fillText(r,c,d+g*k)};a.Primitive3D.prototype.splitFace=function(b){if(this.intersects(b)){for(var e=null,c=null,g=0,d=0,k=0,q=b.vertices.length;k<q;k++){var f=this.intersection(b.vertices[k],b.vertices[(k+1)%q]);if(null!==f)if(null===e){if(e=
f,g=k,2===b.vertices.length){c=e;break}}else if(!a.equals3DEpsilon(f,e,1E-8)){c=f;d=k;break}}if(null!==e&&null!==c){var k=this.isInterior(e)||this.isInterior(c),l=null,r=null;if(!k&&3<=b.vertices.length)for(var q=0,h=this.vertices.length;q<h;q++)if(f=b.intersection(this.vertices[q],this.vertices[(q+1)%h]),null!==f)if(null===l)l=f;else if(!a.equals3DEpsilon(f,l,1E-8)){r=f;break}if(k||null!==l&&null!==r&&b.isInterior(l)&&b.isInterior(r)){r=!0;h=b.vertices;l=f=null;if(2===h.length)a.equals(e,h[0],1E-8)||
a.equals(e,h[1],1E-8)?r=!1:(f=[],f[0]=h[0],f[1]=e,l=[],l[0]=e,l[1]=h[1]);else for(var f=[],l=[],t=0,k=q=0;k<h.length;k++)k<g?f[t++]=h[k]:k==g?(f[t++]=h[k],f[t++]=e,l[q++]=e):k<d?l[q++]=h[k]:k==d?(l[q++]=h[k],l[q++]=c,f[t++]=c):f[t++]=h[k];if(r)return e=[],e[0]=new a.Primitive3D({vertices:f,type:"face",frontColor:b.frontColor,backColor:b.backColor,edges:b.edges,model:b.model},this.space),e[0].normal=b.normal,e[1]=new a.Primitive3D({vertices:l,type:"face",frontColor:b.frontColor,backColor:b.backColor,
edges:b.edges,model:b.model},this.space),e[1].normal=b.normal,e}}}return[b]};a.Primitive3D.prototype.intersects=function(a){return this.intersectsPlane(a)&&a.intersectsPlane(this)};a.Primitive3D.prototype.intersectsPlane=function(b){var e=a.dotProduct3D(b.vertices[0],b.normal),c=a.dotProduct3D(this.vertices[0],b.normal);if(1E-8>Math.abs(e-c))return!0;for(var g=1,d=this.vertices.length;g<d;g++){var k=a.dotProduct3D(this.vertices[g],b.normal);if(1E-8>Math.abs(e-k)||k>e&&c<e||k<e&&c>e)return!0}return!1};
a.Primitive3D.prototype.intersection=function(b,e){if(0<this.vertices.length){var c=a.subtract3D(e,b),g=a.dotProduct3D(c,this.normal);if(0!==g&&(g=a.dotProduct3D(a.subtract3D(this.vertices[0],b),this.normal)/g,-1E-8<g&&1.00000001>g))return a.add3D(b,a.scalarProduct3D(c,g))}return null};a.Primitive3D.prototype.isInterior=function(b){if(0<this.vertices.length)for(var e=0,c=a.subtract3D(this.vertices[0],b),g=0,d=this.vertices.length;g<d;g++){var k=a.subtract3D(this.vertices[(g+1)%d],b),q=a.dotProduct3D(a.crossProduct3D(c,
k),this.normal);if(1E-8>Math.abs(q)){if(0>a.dotProduct3D(c,k))break}else{if(0>e&&0<q||0<e&&0>q)return!1;c=k;e=q}}return!0};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h={x:0,y:0,z:0},d,f,p,c,l,k,b=a.degToRad;a.Graphic3D=function(b,c){this.parent=b;this.evaluator=b.evaluator;var d=b.evaluator.parser;this.spaceID="E0";this.background=!1;this.type="";this.color=new a.Color("eeffaa");this.backcolor=new a.Color("6090a0");this.Nu=this.evaluator.parser.parse("7");this.Nv=
this.evaluator.parser.parse("7");this.drawif=d.parse("1");this.abs_coord=!1;this.family="";this.family_interval=d.parse("[0,1]");this.family_steps=d.parse("8");this.font="Monospaced,PLAIN,12";this.fixed=!0;this.text="";this.decimals=d.parse("2");this.inirot="(0,0,0)";this.inirotEuler=!1;this.inipos=d.parse("(0,0,0)");this.endrot="(0,0,0)";this.endrotEuler=!1;this.endpos=d.parse("(0,0,0)");this.model="color";for(var k in c)c.hasOwnProperty(k)&&(this[k]=c[k]);void 0==this.expresion&&"macro"!=this.type&&
(this.expresion=d.parse("(0,0)"));this.space=this.getSpace();this.canvas=this.background?this.space.backCanvas:this.space.canvas;this.ctx=this.canvas.getContext("2d");this.font=a.convertFont(this.font);this.fontSize=(this.fontSize=this.font.match(/(\d+)px/))?parseFloat(this.fontSize[1]):10;this.inirot.match("Euler")&&(this.inirot=this.inirot.replace("Euler",""),this.inirotEuler=!0);this.endrot.match("Euler")&&(this.endrot=this.endrot.replace("Euler",""),this.endrotEuler=!0);this.inirot=d.parse(this.inirot);
this.endrot=d.parse(this.endrot);this.inirotM=new a.Matrix4x4;this.inirotM_X=new a.Matrix4x4;this.inirotM_Y=new a.Matrix4x4;this.inirotM_Z=new a.Matrix4x4;this.iniposM=new a.Matrix4x4;this.endrotM=new a.Matrix4x4;this.endrotM_X=new a.Matrix4x4;this.endrotM_Y=new a.Matrix4x4;this.endrotM_Z=new a.Matrix4x4;this.endposM=new a.Matrix4x4};a.Graphic3D.prototype.getSpace=function(){for(var a=this.parent.spaces,b,c=0,d=a.length;c<d;c++)if(b=a[c],b.id==this.spaceID)return b;return a[0]};a.Graphic3D.prototype.getFamilyValues=
function(){d=this.evaluator;f=d.eval(this.family_interval);this.familyInf=f[0][0];this.familySup=f[0][1];this.fSteps=Math.round(d.eval(this.family_steps));this.family_sep=0<this.fSteps?(this.familySup-this.familyInf)/this.fSteps:0};a.Graphic3D.prototype.buildFamilyPrimitives=function(){d=this.evaluator;this.getFamilyValues();p=d.getVariable(this.family);if(0<=this.fSteps)for(var a=0,b=this.fSteps;a<=b;a++)d.setVariable(this.family,this.familyInf+a*this.family_sep),this.familyValue=this.familyInf+
a*this.family_sep,d.eval(this.drawif)&&this.buildPrimitives();d.setVariable(this.family,p)};a.Graphic3D.prototype.update=function(){this.primitives=[];this.evaluator.eval(this.drawif)&&(this.family||this.buildPrimitives());this.family&&this.buildFamilyPrimitives()};a.Graphic3D.prototype.updateMVMatrix=function(){l=this.evaluator.eval(this.inirot);this.inirotEuler?(this.inirotM=this.inirotM.setIdentity(),this.inirotM=this.inirotM.rotateZ(b(l[0][0])),this.inirotM=this.inirotM.rotateX(b(l[0][1])),this.inirotM=
this.inirotM.rotateZ(b(l[0][2]))):(this.inirotM_X=this.inirotM_X.setIdentity().rotateX(b(l[0][0])),this.inirotM_Y=this.inirotM_Y.setIdentity().rotateY(b(l[0][1])),this.inirotM_Z=this.inirotM_Z.setIdentity().rotateZ(b(l[0][2])));l=this.evaluator.eval(this.inipos);h={x:l[0][0],y:l[0][1],z:l[0][2]};this.iniposM=this.iniposM.setIdentity().translate(h);l=this.evaluator.eval(this.endrot);this.endrotEuler?(this.endrotM=this.endrotM.setIdentity(),this.endrotM=this.endrotM.rotateZ(b(l[0][0])),this.endrotM=
this.endrotM.rotateX(b(l[0][1])),this.endrotM=this.endrotM.rotateZ(b(l[0][2]))):(this.endrotM_X=this.endrotM_X.setIdentity().rotateX(b(l[0][0])),this.endrotM_Y=this.endrotM_Y.setIdentity().rotateY(b(l[0][1])),this.endrotM_Z=this.endrotM_Z.setIdentity().rotateZ(b(l[0][2])));l=this.evaluator.eval(this.endpos);h={x:l[0][0],y:l[0][1],z:l[0][2]};this.endposM=this.endposM.setIdentity().translate(h)};a.Graphic3D.prototype.transformVertex=function(a){this.inirotEuler?c=this.inirotM.multiplyVector4(a):(c=
this.inirotM_X.multiplyVector4(a),c=this.inirotM_Y.multiplyVector4(c),c=this.inirotM_Z.multiplyVector4(c));c=this.iniposM.multiplyVector4(c);this.endrotEuler?c=this.endrotM.multiplyVector4(c):(c=this.endrotM_X.multiplyVector4(c),c=this.endrotM_Y.multiplyVector4(c),c=this.endrotM_Z.multiplyVector4(c));c=this.endposM.multiplyVector4(c);this.macroChildren&&(c=this.applyMacroTransform(c));return c};a.Graphic3D.prototype.applyMacroTransform=function(a){this.macro_inirotEuler?c=this.macro_inirotM.multiplyVector4(a):
(c=this.macro_inirotM_X.multiplyVector4(a),c=this.macro_inirotM_Y.multiplyVector4(c),c=this.macro_inirotM_Z.multiplyVector4(c));c=this.macro_iniposM.multiplyVector4(c);this.macro_endrotEuler?c=this.macro_endrotM.multiplyVector4(c):(c=this.macro_endrotM_X.multiplyVector4(c),c=this.macro_endrotM_Y.multiplyVector4(c),c=this.macro_endrotM_Z.multiplyVector4(c));return c=this.macro_endposM.multiplyVector4(c)};a.Graphic3D.prototype.parseExpression=function(){k=[];for(var a=this.expresion.replace(/\n/g," ").replace(/ ( )+/g,
" ").trim(),b=[],c=0,d,f=a.length,e=a.length-1;-1<e;e--)d=a.charAt(e),0==c?"="==d&&(c=1):1==c?" "!=d&&(c="<"==d||">"==d?0:2):2==c&&" "==d&&(b.unshift(a.substring(e+1,f)),f=e,c=0);b.unshift(a.substring(0,f));e=0;for(a=b.length;e<a;e++)k.push(this.evaluator.parser.parse(b[e],!0));return k};var u;a.Graphic3D.prototype.splitFace=function(a){for(var b=0,c=this.primitives.length;b<c;b++)if(u=[],"face"===this.primitives[b].type){for(var d=0,k=a.primitives.length;d<k;d++)"face"===a.primitives[d].type?u=u.concat(this.primitives[b].splitFace(a.primitives[d])):
u.push(a.primitives[d]);a.primitives=u}};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c;a.Point3D=function(c,d){a.Graphic3D.call(this,c,d)};a.extend(a.Point3D,a.Graphic3D);a.Point3D.prototype.buildPrimitives=function(){h=this.evaluator;this.updateMVMatrix();d=h.eval(this.expresion);f=d[0][0];p=d[0][1];c=d[0][2];this.primitives.push(new a.Primitive3D({vertices:[this.transformVertex(new a.Vector4D(f,p,c,1))],type:"vertex",backColor:this.backcolor.getColor(),frontColor:this.color.getColor(),
size:h.eval(this.width)}));""!==this.text&&this.primitives.push(new a.Primitive3D({vertices:[this.transformVertex(new a.Vector4D(f,p,c,1))],type:"text",frontColor:this.color.getColor(),font:this.font,decimals:h.eval(this.decimals),fixed:this.fixed,displace:this.fontSize,evaluator:h,text:this.text,family:this.family,familyValue:this.familyValue},this.space))};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l,k;a.Segment3D=function(b,c){this.width=b.evaluator.parser.parse("1");
a.Graphic3D.call(this,b,c)};a.extend(a.Segment3D,a.Graphic3D);a.Segment3D.prototype.buildPrimitives=function(){evaluator=this.evaluator;this.updateMVMatrix();k=evaluator.getVariable("u");evaluator.setVariable("u",this.Nu);expr=evaluator.eval(this.expresion);h=expr[0][0];d=expr[0][1];f=expr[0][2];p=expr[1][0];c=expr[1][1];l=expr[1][2];this.primitives.push(new a.Primitive3D({vertices:[this.transformVertex(new a.Vector4D(h,d,f,1)),this.transformVertex(new a.Vector4D(p,c,l,1))],type:"edge",frontColor:this.color.getColor(),
lineWidth:evaluator.eval(this.width)},this.space));evaluator.setVariable("u",k)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l,k,b,u,g,r,q,t,v;a.Surface3D=function(b,c){this.parameter="t";this.parameter_interval=b.evaluator.parser.parse("[0,1]");this.parameter_steps=b.evaluator.parser.parse("8");a.Graphic3D.call(this,b,c);this.expresion=this.parseExpression()};a.extend(a.Surface3D,a.Graphic3D);a.Surface3D.prototype.buildPrimitives=function(){h=this.evaluator;
this.updateMVMatrix();p=h.getVariable("x");c=h.getVariable("y");l=h.getVariable("z");d=h.getVariable("u");f=h.getVariable("v");h.setVariable("u",0);h.setVariable("v",0);k=h.eval(this.Nu);b=h.eval(this.Nv);u=[];for(r=0;r<=k;r++)for(h.setVariable("u",r/k),q=0;q<=b;q++){h.setVariable("v",q/b);t=0;for(v=this.expresion.length;t<v;t++)h.eval(this.expresion[t]);u.push(this.transformVertex(new a.Vector4D(h.getVariable("x"),h.getVariable("y"),h.getVariable("z"),1)))}for(r=0;r<k;r++)for(q=0;q<b;q++)g=[],g.push(u[q+
r*b+r]),g.push(u[q+1+r*b+r]),g.push(u[q+2+(r+1)*b+r]),g.push(u[q+1+(r+1)*b+r]),this.primitives.push(new a.Primitive3D({vertices:g,type:"face",frontColor:this.color.getColor(),backColor:this.backcolor.getColor(),edges:this.edges,model:this.model},this.space));h.setVariable("x",p);h.setVariable("y",c);h.setVariable("z",l);h.setVariable("u",d);h.setVariable("v",f)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l;a.Polygon3D=function(c,b){this.width=c.evaluator.parser.parse("1");
a.Graphic3D.call(this,c,b)};a.extend(a.Polygon3D,a.Graphic3D);a.Polygon3D.prototype.buildPrimitives=function(){evaluator=this.evaluator;this.updateMVMatrix();expr=evaluator.eval(this.expresion);for(var k=0,b=expr.length-1;k<b;k++)h=expr[k][0],d=expr[k][1],f=expr[k][2],p=expr[k+1][0],c=expr[k+1][1],l=expr[k+1][2],this.primitives.push(new a.Primitive3D({vertices:[this.transformVertex(new a.Vector4D(h,d,f,1)),this.transformVertex(new a.Vector4D(p,c,l,1))],type:"edge",frontColor:this.color.getColor(),
lineWidth:evaluator.eval(this.width)},this.space))};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l;a.Curve3D=function(c,b){this.width=c.evaluator.parser.parse("1");a.Graphic3D.call(this,c,b);this.expresion=this.parseExpression()};a.extend(a.Curve3D,a.Graphic3D);a.Curve3D.prototype.buildPrimitives=function(){evaluator=this.evaluator;this.updateMVMatrix();p=evaluator.getVariable("x");c=evaluator.getVariable("y");l=evaluator.getVariable("z");f=evaluator.getVariable("u");
evaluator.setVariable("u",0);d=evaluator.eval(this.Nu);h=[];for(var k=0;k<=d;k++){evaluator.setVariable("u",k/d);for(var b=0,u=this.expresion.length;b<u;b++)evaluator.eval(this.expresion[b]);h.push(this.transformVertex(new a.Vector4D(evaluator.getVariable("x"),evaluator.getVariable("y"),evaluator.getVariable("z"),1)))}k=0;for(b=h.length-1;k<b;k++)this.primitives.push(new a.Primitive3D({vertices:[h[k],h[k+1]],type:"edge",frontColor:this.color.getColor(),lineWidth:evaluator.eval(this.width)},this.space));
evaluator.setVariable("x",p);evaluator.setVariable("y",l);evaluator.setVariable("z",c);evaluator.setVariable("u",f)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l,k,b,u;a.Triangle3D=function(b,c){a.Graphic3D.call(this,b,c)};a.extend(a.Triangle3D,a.Graphic3D);a.Triangle3D.prototype.buildPrimitives=function(){evaluator=this.evaluator;this.updateMVMatrix();expr=evaluator.eval(this.expresion);h=expr[0][0];d=expr[0][1];f=expr[0][2];p=expr[1][0];c=expr[1][1];l=
expr[1][2];k=expr[2][0];b=expr[2][1];u=expr[2][2];this.primitives.push(new a.Primitive3D({vertices:[this.transformVertex(new a.Vector4D(h,d,f,1)),this.transformVertex(new a.Vector4D(k,b,u,1)),this.transformVertex(new a.Vector4D(p,c,l,1))],type:"face",frontColor:this.color.getColor(),backColor:this.backcolor.getColor(),edges:this.edges,model:this.model},this.space))};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h;a.Face3D=function(d,f){a.Graphic3D.call(this,d,f)};a.extend(a.Face3D,
a.Graphic3D);a.Face3D.prototype.buildPrimitives=function(){evaluator=this.evaluator;this.updateMVMatrix();expr=evaluator.eval(this.expresion);h=[];for(var d=expr.length-1;0<=d;d--)h.push(this.transformVertex(new a.Vector4D(expr[d][0],expr[d][1],expr[d][2],1)));this.primitives.push(new a.Primitive3D({vertices:h,type:"face",frontColor:this.color.getColor(),backColor:this.backcolor.getColor(),edges:this.edges,model:this.model},this.space))};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;
var h,d,f,p,c;a.Polireg3D=function(c,d){this.width=c.evaluator.parser.parse("2");this.length=c.evaluator.parser.parse("2");a.Graphic3D.call(this,c,d)};a.extend(a.Polireg3D,a.Graphic3D);a.Polireg3D.prototype.buildPrimitives=function(){evaluator=this.evaluator;this.updateMVMatrix();h=evaluator.eval(this.Nu);d=[this.transformVertex(new a.Vector4D(0,0,0,1))];f=evaluator.eval(this.width)/2;p=evaluator.eval(this.length)/2;c=2*Math.PI/h;for(var l=0;l<h;l++)d.push(this.transformVertex(new a.Vector4D(f*Math.cos(c*
l),p*Math.sin(c*l),0,1)));for(l=0;l<h;l++)this.primitives.push(new a.Primitive3D({vertices:[d[0],l+2<=h?d[l+2]:d[1],d[l+1]],type:"face",frontColor:this.color.getColor(),backColor:this.backcolor.getColor(),edges:this.edges,model:this.model},this.space))};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p;a.Text3D=function(c,d){a.Graphic3D.call(this,c,d)};a.extend(a.Text3D,a.Graphic3D);a.Text3D.prototype.buildPrimitives=function(){h=this.evaluator;d=h.eval(this.expresion);
f=d[0][0];p=d[0][1];this.primitives.push(new a.Primitive3D({vertices:[new a.Vector4D(f,p,0,1)],type:"text",frontColor:this.color.getColor(),font:this.font,decimals:h.eval(this.decimals),fixed:this.fixed,displace:0,isText:!0,evaluator:h,text:this.text,family:this.family,familyValue:this.familyValue},this.space))};return a}(descartesJS||{}),descartesJS=function(a,h){if(a.loadLib)return a;var d=new String("-rnd-pi-e-sqr-sqrt-ra\u00edz-exp-log-log10-abs-ent-sgn-ind-sin-sen-cos-tan-cot-sec-csc-sinh-senh-cosh-tanh-coth-sech-csch-asin-asen-acos-atan-min-max-"),
f=/[\w\.\-//]*(\.png|\.jpg|\.gif|\.svg)/gi,p,c;a.Macro3D=function(c,k){this.expresion=void 0;this.inirot="(0,0,0)";this.inirotEuler=!1;this.inipos=c.evaluator.parser.parse("(0,0,0)");this.endrot="(0,0,0)";this.endrotEuler=!1;this.endpos=c.evaluator.parser.parse("(0,0,0)");a.Graphic.call(this,c,k);for(var b in k)k.hasOwnProperty(b)&&(this[b]=k[b]);this.inirot.match("Euler")&&(this.inirot=this.inirot.replace("Euler",""),this.inirotEuler=!0);this.endrot.match("Euler")&&(this.endrot=this.endrot.replace("Euler",
""),this.endrotEuler=!0);this.inirot=this.evaluator.parser.parse(this.inirot);this.endrot=this.evaluator.parser.parse(this.endrot);this.inirotM=new a.Matrix4x4;this.inirotM_X=new a.Matrix4x4;this.inirotM_Y=new a.Matrix4x4;this.inirotM_Z=new a.Matrix4x4;this.iniposM=new a.Matrix4x4;this.endrotM=new a.Matrix4x4;this.endrotM_X=new a.Matrix4x4;this.endrotM_Y=new a.Matrix4x4;this.endrotM_Z=new a.Matrix4x4;this.endposM=new a.Matrix4x4;this.graphics=[];b=c.lessonParser;var u=new a.Tokenizer;if(void 0!=this.expresion){"'"!==
this.expresion.charAt(0)&&(this.expresion="'"+this.expresion+"'");this.expresion=this.evaluator.parser.parse(this.expresion);var g=this.evaluator.eval(this.expresion),r;g&&((r=document.getElementById(g))&&"descartes/macro"==r.type?r=r.text:(r=a.openExternalFile(g))&&!r.match(/tipo_de_macro/g)&&(r=null));var q,t;if(r){t=r.replace(/&aacute;/g,"\u00e1").replace(/&eacute;/g,"\u00e9").replace(/&iacute;/g,"\u00ed").replace(/&oacute;/g,"\u00f3").replace(/&uacute;/g,"\u00fa").replace(/&Aacute;/g,"\u00c1").replace(/&Eacute;/g,
"\u00c9").replace(/&Iacute;/g,"\u00cd").replace(/&Oacute;/g,"\u00d3").replace(/&Uacute;/g,"\u00da").replace(/&ntilde;/g,"\u00f1").replace(/&Ntilde;/g,"\u00d1").replace(/\&gt;/g,">").replace(/\&lt;/g,"<").replace(/\&amp;/g,"&").replace(/\r/g,"").split("\n");r=[];for(var g=0,p=t.length;g<p;g++)q=t[g].indexOf("="),-1!==q&&(q=t[g].substring(0,q),"id"!==h[q]&&"type"!==h[q]||r.push(b.split(t[g])));for(var e,n,w,m,g=0,p=r.length;g<p;g++)for(m=(e=r[g]||[],e[0])&&"id"===e[0][0],t=0,q=e.length;t<q;t++)if(n=
e[t][0].indexOf("."),-1===n||m?n=h[e[t][0]]:(n=h[e[t][0].substring(n+1)],e[t][0]=this.name+"."+e[t][0]),!("font"===n||("fill"===n||"color"===n||"backcolor"===n||"arrow"===n)&&"("!==e[t][1].charAt(0)||"file"===n&&e[t][1].match(f)||"id"!==n&&void 0!==h[e[t][1]])||"width"===n||"height"===n||"length"===n)if("text"==n)if(e[t][1].match(/\{\\rtf1/)){n=e[t][1];var x=this;w=function(a,b){for(var e=u.tokenize(b.replace(/\&squot;/g,"'")),c=0,g=e.length;c<g;c++)"identifier"!=e[c].type||d.match("-"+e[c].value+
"-")||(e[c].value=x.name+"."+e[c].value);return(a.match(/^\\expr/)?"\\expr ":"\\decimals ")+u.flatTokens(e)};n=n.replace(/\\expr ([a-zA-Z_0-9\u00C0-\u021B+*/%|&^#!?:()><.']*)/gi,w);n=n.replace(/\\decimals ([a-zA-Z_0-9\u00C0-\u021B+*/%|&^#!?:()><.']*)/gi,w);e[t][1]=n}else{w=b.parseText(e[t][1]).textElementsMacro3Ds;for(var A=0,C=w.length;A<C;A++){n=u.tokenize(w[A].replace(/\&squot;/g,"'"));for(var D=0,E=n.length;D<E;D++)"identifier"!==n[D].type||d.match("-"+n[D].value+"-")||(n[D].value=this.name+"."+
n[D].value);n=u.flatTokens(n).replace(/&squot;/g,"'").replace(/'\+\(/g,"[").replace(/\)\+'/g,"]");w[A]=n.substring(1,n.length-1)}e[t][1]=w.join("")}else{n=u.tokenize(e[t][1]);w=0;for(A=n.length;w<A;w++)"identifier"!==n[w].type||d.match("-"+n[w].value+"-")||(n[w].value=this.name+"."+n[w].value);e[t][1]=u.flatTokens(n)}g=0;for(p=r.length;g<p;g++)if(r[g][0]){e="";m=!1;t=0;for(q=r[g].length;t<q;t++)"type"===h[r[g][t][0]]&&(e="espacio='"+this.spaceID+"' ",m=!0),e=e+r[g][t][0]+"='"+r[g][t][1]+"' ";r[g]=
e;m?this.graphics.push(b.parse3DGraphic(r[g],this.abs_coord,this.background,this.inirot)):b.parseAuxiliar(r[g])}}g=0;for(p=this.graphics.length;g<p;g++)this.graphics[g].macroChildren=!0}};a.extend(a.Macro3D,a.Graphic);a.Macro3D.prototype.update=function(){this.updateTransformation();if(this.inipos){var a=this.evaluator.eval(this.inipos);this.iniPosX=a[0][0];this.iniPosY=a[0][1]}this.primitives=[];for(var a=0,d=this.graphics.length;a<d;a++)p=this.graphics[a],p.macro_inirotEuler=this.inirotEuler,p.macro_inirotM=
this.inirotM,p.macro_inirotM_X=this.inirotM_X,p.macro_inirotM_Y=this.inirotM_Y,p.macro_inirotM_Z=this.inirotM_Z,p.macro_iniposM=this.iniposM,p.macro_endrotEuler=this.endrotEuler,p.macro_endrotM=this.endrotM,p.macro_endrotM_X=this.endrotM_X,p.macro_endrotM_Y=this.endrotM_Y,p.macro_endrotM_Z=this.endrotM_Z,p.macro_endposM=this.endposM,p.update();a=0;for(d=this.graphics.length;a<d;a++){p=this.graphics[a];if(p.split||this.split)for(var b=a+1;b<d;b++)c=this.graphics[b],(c.split||this.split)&&p.splitFace(c);
this.primitives=this.primitives.concat(p.primitives||[])}};a.Macro3D.prototype.updateTransformation=function(){tmpExpr=this.evaluator.eval(this.inirot);this.inirotEuler?(this.inirotM=this.inirotM.setIdentity(),this.inirotM=this.inirotM.rotateZ(a.degToRad(tmpExpr[0][0])),this.inirotM=this.inirotM.rotateX(a.degToRad(tmpExpr[0][1])),this.inirotM=this.inirotM.rotateZ(a.degToRad(tmpExpr[0][2]))):(this.inirotM_X=this.inirotM_X.setIdentity().rotateX(a.degToRad(tmpExpr[0][0])),this.inirotM_Y=this.inirotM_Y.setIdentity().rotateY(a.degToRad(tmpExpr[0][1])),
this.inirotM_Z=this.inirotM_Z.setIdentity().rotateZ(a.degToRad(tmpExpr[0][2])));tmpExpr=this.evaluator.eval(this.inipos);translate={x:tmpExpr[0][0],y:tmpExpr[0][1],z:tmpExpr[0][2]};this.iniposM=this.iniposM.setIdentity().translate(translate);tmpExpr=this.evaluator.eval(this.endrot);this.endrotEuler?(this.endrotM=this.endrotM.setIdentity(),this.endrotM=this.endrotM.rotateZ(a.degToRad(tmpExpr[0][0])),this.endrotM=this.endrotM.rotateX(a.degToRad(tmpExpr[0][1])),this.endrotM=this.endrotM.rotateZ(a.degToRad(tmpExpr[0][2]))):
(this.endrotM_X=this.endrotM_X.setIdentity().rotateX(a.degToRad(tmpExpr[0][0])),this.endrotM_Y=this.endrotM_Y.setIdentity().rotateY(a.degToRad(tmpExpr[0][1])),this.endrotM_Z=this.endrotM_Z.setIdentity().rotateZ(a.degToRad(tmpExpr[0][2])));tmpExpr=this.evaluator.eval(this.endpos);translate={x:tmpExpr[0][0],y:tmpExpr[0][1],z:tmpExpr[0][2]};this.endposM=this.endposM.setIdentity().translate(translate)};a.Macro3D.prototype.drawAux=function(a){};return a}(descartesJS||{},babel),descartesJS=function(a){function h(a,
b,e,c,g){d.call(this,a/1.8,a/1.8,a/1.8,c,g)}function d(a,b,c,d,g){a/=2;b/=2;c/=2;this.changeGeometry(a,b,c,d,g)||(this.vertices=[new e(a,c,b,1),new e(a,-c,b,1),new e(a,c,-b,1),new e(a,-c,-b,1),new e(-a,c,b,1),new e(-a,-c,b,1),new e(-a,c,-b,1),new e(-a,-c,-b,1)],this.faces=[[2,3,1,0],[1,5,4,0],[5,7,6,4],[6,7,3,2],[4,6,2,0],[3,7,5,1]],this.updateValues(a,b,c,d,g))}function f(a,b,c,d,g){a/=2;this.changeGeometry(a,b,c,d,g)||(this.vertices=[new e(0,0,a,1),new e(-.49*a,-.86*a,-.32*a,1),new e(-.49*a,.86*
a,-.32*a,1),new e(1*a,0,-.32*a,1)],this.faces=[[3,2,1],[1,2,0],[2,3,0],[3,1,0]],this.updateValues(a,b,c,d,g))}function p(a,b,c,d,g){a/=2;this.changeGeometry(a,b,c,d,g)||(this.vertices=[new e(0,0,a,1),new e(a,0,0,1),new e(-a,0,0,1),new e(0,a,0,1),new e(0,-a,0,1),new e(0,0,-a,1)],this.faces=[[3,1,0],[2,3,0],[1,4,0],[4,2,0],[1,3,5],[3,2,5],[4,1,5],[2,4,5]],this.updateValues(a,b,c,d,g))}function c(b,c,d,g,k){b/=3.4;if(!this.changeGeometry(b,c,d,g,k)){E=b/1.6180339887;H=1.6180339887*b;this.vertices=[new e(b,
b,b,1),new e(b,b,-b,1),new e(b,-b,b,1),new e(b,-b,-b,1),new e(-b,b,b,1),new e(-b,b,-b,1),new e(-b,-b,b,1),new e(-b,-b,-b,1),new e(0,E,H,1),new e(0,E,-H,1),new e(0,-E,H,1),new e(0,-E,-H,1),new e(E,H,0,1),new e(E,-H,0,1),new e(-E,H,0,1),new e(-E,-H,0,1),new e(H,0,E,1),new e(H,0,-E,1),new e(-H,0,E,1),new e(-H,0,-E,1)];F=(new a.Matrix4x4).setIdentity().rotateY(-t/6);z=0;for(I=this.vertices.length;z<I;z++)this.vertices[z]=F.multiplyVector4(this.vertices[z]);this.faces=[[0,16,2,10,8],[12,1,17,16,0],[8,
4,14,12,0],[2,16,17,3,13],[13,15,6,10,2],[6,18,4,8,10],[3,17,1,9,11],[13,3,11,7,15],[1,12,14,5,9],[11,9,5,19,7],[5,14,4,18,19],[6,15,7,19,18]];this.updateValues(b,c,d,g,k)}}function l(b,c,d,g,k){b/=4;if(!this.changeGeometry(b,c,d,g,k)){H=1.6180339887*b;this.vertices=[new e(0,b,H,1),new e(0,b,-H,1),new e(0,-b,H,1),new e(0,-b,-H,1),new e(b,H,0,1),new e(b,-H,0,1),new e(-b,H,0,1),new e(-b,-H,0,1),new e(H,0,b,1),new e(H,0,-b,1),new e(-H,0,b,1),new e(-H,0,-b,1)];this.faces=[[10,0,2],[0,8,2],[8,5,2],[5,
7,2],[7,10,2],[6,0,10],[11,6,10],[7,11,10],[7,3,11],[5,3,7],[9,3,5],[8,9,5],[4,9,8],[0,4,8],[6,4,0],[11,3,1],[6,11,1],[4,6,1],[9,4,1],[3,9,1]];F=(new a.Matrix4x4).setIdentity().rotateY(-1.029);z=0;for(I=this.vertices.length;z<I;z++)this.vertices[z]=F.multiplyVector4(this.vertices[z]);this.updateValues(b,c,d,g,k)}}function k(a,b,c,d,g){a/=2;this.isSphere?c=b=a:(b/=2,c/=2);if(!this.changeGeometry(a,b,c,d,g)){this.vertices=[new e(0,0,b,1)];for(z=1;z<d;z++)for(D=z*t/d,G=0;G<g;G++)C=G*v/g,m=a*r(D)*q(C),
x=c*r(D)*r(C),A=b*q(D),this.vertices.push(new e(m,x,A,1));this.vertices.push(new e(0,0,-b,1));this.faces=[];for(z=0;z<g;z++)this.faces.push([0,(z+1)%g+1,z%g+1]);for(z=1;z<d-1;z++)for(G=0;G<g;G++)this.faces.push([G+1+(z-1)*g,(G+1)%g+1+(z-1)*g,(G+1)%g+1+z*g,G+1+z*g]);for(z=0;z<g;z++)this.faces.push([this.vertices.length-1,this.vertices.length-1-g+z,this.vertices.length-1-g+(z+1)%g]);this.updateValues(a,b,c,d,g)}}function b(a,b,c,d,g){a/=2;b/=2;c/=2;if(!this.changeGeometry(a,b,c,d,g)){this.vertices=
[];for(z=0;z<g;z++)for(G=0;G<d;G++)m=a*(g-z)/g*q(G*v/d),x=c*(g-z)/g*r(G*v/d),A=b-2*z*b/g,this.vertices.push(new e(m,x,A,1));this.vertices.push(new e(0,0,-b,1));this.faces=[];for(z=0;z<g-1;z++)for(G=0;G<d;G++)this.faces.push([G+z*d,(G+1)%d+z*d,(G+1)%d+(z+1)*d,G+(z+1)*d]);for(z=0;z<d;z++)this.faces.push([this.vertices.length-1,this.vertices.length-1-d+z,this.vertices.length-1-d+(z+1)%d]);this.updateValues(a,b,c,d,g)}}function u(a,b,c,d,g){a/=2;b/=2;c/=2;if(!this.changeGeometry(a,b,c,d,g)){this.vertices=
[];for(z=0;z<g+1;z++)for(G=0;G<d;G++)m=a*q(G*v/d),x=c*r(G*v/d),A=b-2*z*b/g,this.vertices.push(new e(m,x,A,1));this.faces=[];for(z=0;z<g;z++)for(G=0;G<d;G++)this.faces.push([G+z*d,(G+1)%d+z*d,(G+1)%d+(z+1)*d,G+(z+1)*d]);this.updateValues(a,b,c,d,g)}}function g(){function a(b){return parseInt(b)}function b(a){return parseFloat(a)}this.vertices=[];this.faces=[];z=0;for(I=this.fileData.length;z<I;z++)J=this.fileData[z],J.match(/^V\(/)?(B=J.substring(2,J.length-1).split(",").map(b),this.vertices.push(new e(B[0]||
0,B[1]||0,B[2]||0,1))):J.match(/^F\(/)&&(B=J.substring(2,J.length-1).split(",").map(a),this.faces.push(B.reverse()))}if(a.loadLib)return a;var r=Math.sin,q=Math.cos,t=Math.PI,v=2*t,e,n,w,m,x,A,C,D,E,H,F,J,B,z,I,G,M;a.OtherGeometry=function(q,m){this.width=q.evaluator.parser.parse("2");this.height=q.evaluator.parser.parse("2");this.length=q.evaluator.parser.parse("2");e=a.Vector4D;a.Graphic3D.call(this,q,m);switch(this.type){case "cube":this.buildGeometry=h;break;case "box":this.buildGeometry=d;break;
case "tetrahedron":this.buildGeometry=f;break;case "octahedron":this.buildGeometry=p;break;case "sphere":this.isSphere=!0;case "ellipsoid":this.buildGeometry=k;break;case "dodecahedron":this.buildGeometry=c;break;case "icosahedron":this.buildGeometry=l;break;case "cone":this.buildGeometry=b;break;case "cylinder":this.buildGeometry=u;break;case "mesh":this.fileData=a.openExternalFile(this.evaluator.eval(this.file)).split(/\r/),this.buildGeometry=g}};a.extend(a.OtherGeometry,a.Graphic3D);a.OtherGeometry.prototype.buildPrimitives=
function(){n=this.evaluator;this.updateMVMatrix();this.buildGeometry(n.eval(this.width),n.eval(this.height),n.eval(this.length),n.eval(this.Nu),n.eval(this.Nv));z=0;for(I=this.faces.length;z<I;z++){w=[];G=0;for(M=this.faces[z].length;G<M;G++)w.push(this.transformVertex(this.vertices[this.faces[z][G]]));this.primitives.push(new a.Primitive3D({vertices:w,type:"face",frontColor:this.color.getColor(),backColor:this.backcolor.getColor(),edges:this.edges,model:this.model},this.space))}};a.OtherGeometry.prototype.changeGeometry=
function(a,b,c,e,d){return this.oldWidth===a&&this.oldHeight===b&&this.oldLength===c&&this.oldNu===e&&this.oldNv===d};a.OtherGeometry.prototype.updateValues=function(a,b,c,e,d){this.oldWidth=a;this.oldHeight=b;this.oldLength=c;this.oldNv=d;this.oldNu=e};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.max,d=Math.min,f=Math.PI,p=Math.cos,c=Math.sin,l=Math.abs,k=Math.round,b,u,g,r,q,t,v,e,n,w,m,x,A,C,D,E,H,F;a.R2=function(a,b){this.x=a||0;this.y=b||0};a.R2.prototype.set=
function(a,b){this.x=a||0;this.y=b||0;return this};a.R2.prototype.copy=function(){return new a.R2(this.x,this.y)};a.R2.prototype.ix=function(){return k(h(d(this.x,32E3),-32E3))};a.R2.prototype.iy=function(){return k(h(d(this.y,32E3),-32E3))};a.R2.prototype.equals=function(a){return this.x==a.x&&this.y==a.y};a.R2.prototype.norm2=function(){return this.x*this.x+this.y*this.y};a.R2.prototype.norm=function(){return Math.sqrt(this.norm2())};a.R2.prototype.distance=function(a){u=this.copy();u.sub(a);return u.norm()};
a.R2.prototype.dot=function(a){return this.x*a.x+this.y*a.y};a.R2.prototype.det=function(a){return this.x*a.y-this.y*a.x};a.R2.prototype.mul=function(a){this.x*=a;this.y*=a};a.R2.prototype.div=function(a){this.x/=a;this.y/=a};a.R2.prototype.add=function(a){this.x+=a.x;this.y+=a.y};a.R2.prototype.sub=function(a){this.x-=a.x;this.y-=a.y};a.R2.prototype.normalize=function(){b=this.norm();0!=b&&this.div(b)};a.R2.prototype.rotR90=function(){b=this.x;this.x=this.y;this.y=-b};a.R2.prototype.rotL90=function(){b=
this.x;this.x=-this.y;this.y=b};a.R2.prototype.rot=function(a){g=this.copy();t=p(a);v=c(a);this.x=g.x*t-g.y*v;this.y=g.x*v+g.y*t};a.R2.prototype.rot=function(a){this.rot(a*f/180)};a.R2.prototype.intersection=function(b,c,g,k){e=c.x-b.x;n=g.x-k.x;w=g.x-b.x;m=c.y-b.y;x=g.y-k.y;A=g.y-b.y;F=e*x-n*m;return 1E-6<l(F)?(r=(w*x-A*n)/F,q=(-w*m+A*e)/F,0<=r&&1>=r&&0<=q&&1>=q?new a.R2(b.x+e*r,b.y+m*r):null):(c.x-g.x)*A!=(c.y-g.y)*w?null:b.x!=c.x?(C=d(b.x,c.x),D=h(b.x,c.x),C<=g.x&&g.x<=D?g:C<=k.x&&k.x<=D?k:null):
g.x!=k.x?(E=d(g.x,k.x),H=h(g.x,k.x),E<=b.x&&b.x<=H?b:E<=c.x&&c.x<=H?c:null):b.y!=c.y?(C=d(b.y,c.y),D=h(b.y,c.y),C<=g.y&&g.y<=D?g:C<=k.y&&k.y<=D?k:null):g.y!=k.y?(E=d(g.y,k.y),H=h(g.y,k.y),E<=b.y&&b.y<=H?b:E<=c.y&&c.y<=H?c:null):b.x==g.x&&b.y==g.y?b:null};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l,k,b,u;a.R2Newton=function(b,d){this.evaluator=b;this.constraint=d;if("=="==this.constraint.value||"<"==this.constraint.value||"<="==this.constraint.value||">"==
this.constraint.value||">="==this.constraint.value)this.sign="<"==this.constraint.value||"<="==this.constraint.value?"menor":">"==this.constraint.value||">="==this.constraint.value?"mayor":"igual",this.constraint=this.constraint.equalToMinus(),this.constraint=this.constraint.childs[0];l=new a.R2(0,0);c=new a.R2(0,0);u=new a.R2(0,0)};a.R2Newton.prototype.getUnitNormal=function(){this.normal.normalize();return u.set(this.normal.x,this.normal.y)};a.R2Newton.prototype.gradient=function(a){h=this.evaluator;
l.x=0;l.y=0;k=h.getVariable("x");b=h.getVariable("y");h.setVariable("x",a.x);h.setVariable("y",a.y);this.f0=h.eval(this.constraint);h.setVariable("x",h.getVariable("x")+1E-6);d=h.eval(this.constraint);l.x=(d-this.f0)/1E-6;l.x=isNaN(l.x)?Infinity:l.x;h.setVariable("x",h.getVariable("x")-1E-6);h.setVariable("y",h.getVariable("y")+1E-6);d=h.eval(this.constraint);l.y=(d-this.f0)/1E-6;l.y=isNaN(l.y)?Infinity:l.y;h.setVariable("x",k);h.setVariable("y",b);return l};a.R2Newton.prototype.findZero=function(a,
d,q){h=this.evaluator;c.x=a.x;c.y=a.y;k=h.getVariable("x");b=h.getVariable("y");h.setVariable("x",a.x);h.setVariable("y",a.y);this.f0=h.eval(this.constraint);if("menor"===this.sign&&0>=this.f0||"mayor"===this.sign&&0<=this.f0)return c;h.setVariable("x",k);h.setVariable("y",b);for(var l=0;16>l;l++)if(f=c.x,p=c.y,this.normal=this.gradient(c),0!=this.normal.norm2()&&this.normal.mul(-this.f0/this.normal.norm2()),c.x=f+this.normal.x,c.y=p+this.normal.y,this.normal.norm()<d)return 0===this.normal.x&&0===
this.normal.y&&(this.normal.x=c.x-a.x,this.normal.y=c.y-a.y),c;return q?c:null};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;a.Vector2D=function(a,d){this.x=a;this.y=d};a.Vector2D.AXIS_X=new a.Vector2D(1,0);a.Vector2D.AXIS_Y=new a.Vector2D(0,1);a.Vector2D.prototype.vectorLength=function(){return Math.sqrt(this.x*this.x+this.y*this.y)};a.Vector2D.prototype.dotProduct=function(a){return this.x*a.x+this.y*a.y};a.Vector2D.prototype.angleBetweenVectors=function(a){return Math.acos(this.dotProduct(a)/
(this.vectorLength()*a.vectorLength()))};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.floor,d=Math.round,f,p,c,l,k,b,u,g,r,q,t,v,e;a.Control=function(b,c){this.parent=b;this.evaluator=b.evaluator;var e=this.parser=b.evaluator.parser;this.id="graphic"!==c.type?"C":"G";this.gui=this.type="";this.region="south";this.y=this.x=0;this.w="video"!==c.type?100:350;this.h="video"!==c.type?23:120;"graphic"!==c.type&&"audio"!==c.type&&"video"!==c.type?"text"!==c.type?this.expresion=
e.parse("(0,0,100,23)"):(this.expresion=e.parse("(0,0,300,200)"),this.w=300,this.h=200):this.expresion=e.parse("(0,0)");this.fixed=2!=this.parent.version?!1:!0;this.visible=!0;this.color=new a.Color(4>this.parent.version?"000000":"222222");this.colorInt=new a.Color("graphic"!==c.type?"f0f8ff":"cc0022");this.underlined=this.italics=this.bold="";this.font_size=4>this.parent.version?-1:e.parse("12");this.parameter=this.action="";this.parameterFont="Monospace 12px";this.drawif=e.parse("1");this.activeif=
e.parse("1");this.tooltip="";this.tooltipFont="Monospace 12px";this.Explanation="";this.ExplanationFont="Monospace 12px";this.cID=this.msg_pos="";this.valueExpr=e.parse("0");this.decimals=e.parse("2");this.min=e.parse("-Infinity");this.max=e.parse("Infinity");this.incr=e.parse("0.1");this.exponentialif=this.discrete=!1;this.zIndex=-1;for(var g in c)c.hasOwnProperty(g)&&(this[g]=c[g]);"video"!==this.type&&"audio"!==this.type||"interior"===this.region||(this.region="interior");void 0==this.name&&(this.name=
2==this.parent.version?this.id:"_nada_");this.name="_._"==this.name||"_nada_"==this.name||"_void_"==this.name?"":this.name;e=this.evaluator.eval(this.expresion);this.x=d(e[0][0]);this.y=d(e[0][1]);4==e[0].length&&(this.w=d(e[0][2]),this.h=d(e[0][3]));this.actionExec=b.lessonParser.parseAction(this)};a.Control.prototype.init=function(){};a.Control.prototype.update=function(){};a.Control.prototype.draw=function(){};a.Control.prototype.getContainer=function(){var a=this.parent.spaces,b;if("interior"===
this.region)for(var c=0,e=a.length;c<e;c++){if(b=a[c],b.id===this.spaceID)return b.addCtr(this),this.zIndex=b.zIndex,b.numericalControlContainer}else{if("external"===this.region)return this.parent.externalSpace.addCtr(this),this.parent.externalSpace.container;if("scenario"===this.region)return this.cID?(this.expresion=this.evaluator.parser.parse("(0,-1000,"+this.w+","+this.h+")"),this.parent.stage.stageSpace.addCtr(this),this.zIndex=this.parent.stage.stageSpace.zIndex,this.parent.stage.stageSpace.numericalControlContainer):
this.parent.externalSpace.container;if(/north|south|east|west/.test(this.region))return this.parent[this.region+"Space"].controls.push(this),this.parent[this.region+"Space"].container}a[0].addCtr(this);this.zIndex=a[0].zIndex;return a[0].numericalControlContainer};a.Control.prototype.addControlContainer=function(a){var b=this.getContainer();b.childNodes[0]?b.insertBefore(a,b.childNodes[0]):b.appendChild(a)};a.Control.prototype.updatePositionAndSize=function(){c=l=k=b=!1;u=this.evaluator.eval(this.expresion);
g=d(u[0][0]);c=d(this.x)!==g;this.x=g;g=d(u[0][1]);l=d(this.y)!==g;this.y=g;4===u[0].length&&(g=d(u[0][2]),k=d(this.w)!==g,this.w=g,g=d(u[0][3]),b=d(this.h)!==g,this.h=g);if(k||b||c||l)this.init(!0),this.draw()};a.Control.prototype.formatOutputValue=function(a){e=this.parent;r=a+"";q=this.evaluator.eval(this.decimals);t=r.indexOf(".");-1!=t&&(v=r.substring(t+1),v.length>q&&(r=parseFloat(r).toFixed(q)));this.fixed&&(2!==e.version||2===e.version&&!this.exponentialif)&&(r=parseFloat(a).toFixed(q));this.exponentialif&&
0!=parseFloat(r)&&(r=this.fixed&&2!==e.version?parseFloat(r).toExponential(q):parseFloat(r).toExponential(),r=r.toUpperCase().replace("+",""));return r.replace(".",e.decimal_symbol)};a.Control.prototype.updateAndExecAction=function(){this.parent.updateControls();"init"===this.action&&(this.click=!1);this.actionExec.execute();this.parent.updateControls();"animate"!==this.action&&this.parent.update()};a.Control.prototype.createGradient=function(a,b){this.linearGradient=this.ctx.createLinearGradient(0,
0,0,b);f=b*b;for(var c=0;c<b;c++)p=h(c-35*b/100),this.linearGradient.addColorStop(c/b,"rgba(0,0,0,"+p*p*192/f/255+")")};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.floor,d=Math.abs,f,p,c,l,k,b,u,g,r,q,t,v,e,n,w,m,x,A,C=/[\w\.\-//]*(\.gif)/gi,D,E,H,F,J,B,z,I,G,M,y,L,K;a.Button=function(b,c){this.imageSrc="";this.image=new Image;this.imageOver=new Image;this.imageDown=new Image;a.Control.call(this,b,c);this.ratio=b.ratio;-1===this.font_size&&(this.fontSizeNotSet=
!0);"["===this.name.charAt(0)&&"]"===this.name.charAt(this.name.length-1)?this.name=this.parser.parse(this.name.substring(1,this.name.length-1)):this.name=this.parser.parse("'"+this.name+"'");var e;this.classContainer="";if(this.imageSrc.trim().match("^_STYLE_")){this.customStyle=!0;this.canvasStyle=[];this.conStyle=[];this.conStyle.textBorder=3;e=this.imageSrc.trim().substring(8).split("|");for(var d,g,k=0,f=e.length;k<f;k++)d=e[k],g=d.match(/rgb/g),d.match("class=")?this.classContainer=" "+d.substring(6):
d.match("border=")?(this.canvasStyle.push({type:"border-style",value:"solid"}),this.canvasStyle.push({type:"border-width",value:d.substring(7).trim()+"px"})):d.match("borderRadius=")?(this.canvasStyle.push({type:"border-radius",value:d.substring(13).trim()+"px"}),this.conStyle.push({type:"border-radius",value:d.substring(13).trim()+"px"})):d.match("borderColor=")?this.canvasStyle.push({type:"border-color",value:(g?"":"#")+d.substring(12).trim()}):d.match("overColor=")?this.conStyle.overColor=(g?"":
"#")+d.substring(10).trim():d.match("downColor=")?this.conStyle.downColor=(g?"":"#")+d.substring(10).trim():d.match("font=")?this.conStyle.font=d.substring(5).trim().toLowerCase():d.match("inactiveColor=")?this.conStyle.inactiveColor=(g?"":"#")+d.substring(14).trim():d.match("inactiveColorBorder=")?this.conStyle.inactiveColorBorder=(g?"":"#")+d.substring(20).trim():d.match("shadowTextBlur=")?this.conStyle.shadowTextBlur=parseFloat(d.substring(15).trim()):d.match("shadowTextOffsetX=")?this.conStyle.shadowTextOffsetX=
parseFloat(d.substring(18).trim()):d.match("shadowTextOffsetY=")?this.conStyle.shadowTextOffsetY=parseFloat(d.substring(18).trim()):d.match("shadowTextColor=")?this.conStyle.shadowTextColor=(g?"":"#")+d.substring(16).trim():d.match("shadowBoxBlur=")?this.conStyle.shadowBoxBlur=parseFloat(d.substring(14).trim()):d.match("shadowBoxOffsetX=")?this.conStyle.shadowBoxOffsetX=parseFloat(d.substring(17).trim()):d.match("shadowBoxOffsetY=")?this.conStyle.shadowBoxOffsetY=parseFloat(d.substring(17).trim()):
d.match("shadowBoxColor=")?this.conStyle.shadowBoxColor=(g?"":"#")+d.substring(15).trim():d.match("shadowInsetBoxBlur=")?this.conStyle.shadowInsetBoxBlur=parseFloat(d.substring(19).trim()):d.match("shadowInsetBoxOffsetX=")?this.conStyle.shadowInsetBoxOffsetX=parseFloat(d.substring(22).trim()):d.match("shadowInsetBoxOffsetY=")?this.conStyle.shadowInsetBoxOffsetY=parseFloat(d.substring(22).trim()):d.match("shadowInsetBoxColor=")?this.conStyle.shadowInsetBoxColor=(g?"":"#")+d.substring(20).trim():d.match("textBorder=")&&
(this.conStyle.textBorder=parseFloat(d.substring(11).trim()));this.imageSrc="vacio.gif"}this.imageSrc.match("_COLORES_")&&(e=this.imageSrc.split("_"),this.colorInt=new a.Color(e[2]),this.color=new a.Color(e[3]),this.font_size=this.parser.parse(e[5]),this.imageSrc="");"["==this.imageSrc.charAt(0)?this.imageSrc=this.parser.parse(this.imageSrc.substring(1,this.imageSrc.length-1)):this.imageSrc=this.parser.parse("'"+this.imageSrc+"'");e=this.evaluator.eval(this.imageSrc).toString().trim();""!=e&&(d=e.substr(0,
e.lastIndexOf(".")),g=e.substr(e.lastIndexOf(".")),e.toLowerCase().match(/vacio.gif$/)?(this.imageSrc=this.parser.parse("'vacio.gif'"),this.image.ready=1,3===this.parent.version&&(this.name=this.parser.parse("")),this.emptyImage={ready:!0},this.parser.parse("'vacio.gif'")):(this.image=this.parent.getImage(e),d&&(this.imageOver=this.parent.getImage(d+"_over"+g),this.imageDown=this.parent.getImage(d+"_down"+g))));this.container=document.createElement("div");this.container.setAttribute("class","DescartesButtonContainer"+
this.classContainer);this.container.setAttribute("id",this.id);this.container.setAttribute("style","width:"+this.w+"px; height:"+this.h+"px; left:"+this.x+"px; top:"+this.y+"px; z-index:"+this.zIndex+";");this.canvas=document.createElement("canvas");this.canvas.width=this.w*this.ratio;this.canvas.height=this.h*this.ratio;this.canvas.setAttribute("style","position:absolute; left:0px; top:0px; width:"+this.w+"px; height:"+this.h+"px; -webkit-box-sizing:border-box; -moz-box-sizing:border-box; box-sizing:border-box;");
this.ctx=this.canvas.getContext("2d");this.ctx.imageSmoothingEnabled=!1;this.container.appendChild(this.canvas);this.addControlContainer(this.container);this.addEvents();this.init()};a.extend(a.Button,a.Control);a.Button.prototype.init=function(b){f=this.evaluator;D=this.container;p=this.canvas;c=this.ctx;l=f.eval(this.expresion);this.x=l[0][0];this.y=l[0][1];4==l[0].length&&(this.w=parseInt(l[0][2]),this.h=parseInt(l[0][3]));p.width=this.w*this.ratio;p.height=this.h*this.ratio;p.setAttribute("style",
"position:absolute; left:0px; top:0px; width:"+this.w+"px; height:"+this.h+"px; -webkit-box-sizing:border-box; -moz-box-sizing:border-box; box-sizing:border-box;");D.setAttribute("style","width:"+this.w+"px; height:"+this.h+"px; left:"+this.x+"px; top:"+this.y+"px; z-index:"+this.zIndex+"; display:block;");if(this.canvasStyle)for(var e=0,d=this.canvasStyle.length;e<d;e++)p.style[this.canvasStyle[e].type]=this.canvasStyle[e].value;if(this.conStyle){e=0;for(d=this.conStyle.length;e<d;e++)D.style[this.conStyle[e].type]=
this.conStyle[e].value;if(this.conStyle.shadowBoxColor){var e=this.conStyle.shadowBoxOffsetX||0,d=this.conStyle.shadowBoxOffsetY||2,g=this.conStyle.shadowBoxBlur||2;D.style.boxShadow=e+"px "+d+"px "+g+"px 1px "+this.conStyle.shadowBoxColor}this.conStyle.shadowInsetBoxColor&&(e=this.conStyle.shadowInsetBoxOffsetX||0,d=this.conStyle.shadowInsetBoxOffsetY||-2,g=this.conStyle.shadowInsetBoxBlur||1,p.style.boxShadow=e+"px "+d+"px "+g+"px 1px "+this.conStyle.shadowInsetBoxColor+" inset");this.conStyle.shadowTextColor&&
(c.shadowBlur=this.conStyle.shadowTextBlur||1,c.shadowOffsetX=this.conStyle.shadowTextOffsetX||0,c.shadowOffsetY=this.conStyle.shadowTextOffsetY||2,c.shadowColor=this.conStyle.shadowTextColor)}this.fontSizeNotSet&&(this.font_size=f.parser.parse(a.getFieldFontSize(this.h)+""));this.fs_evaluated=f.eval(this.font_size);this.createGradient(this.w,this.h);D.style.display=0<f.eval(this.drawif)?"block":"none";c.textAlign="center";c.textBaseline="middle";c.lineJoin="round";c.font=this.italics+" "+this.bold+
" "+this.fs_evaluated+"px descartesJS_sansserif,Arial,Helvetica,Sans-serif";this.customStyle&&("serif"==this.conStyle.font?c.font=this.italics+" "+this.bold+" "+this.fs_evaluated+"px descartesJS_serif,Times,'Times New Roman', serif":"monospace"==this.conStyle.font?c.font=this.italics+" "+this.bold+" "+this.fs_evaluated+"px descartesJS_monospace,Courier,'Courier New',Monospace":"icons"==this.conStyle.font&&(c.font=this.italics+" "+this.bold+" "+this.fs_evaluated+"px descartesJS_icons,Arial,Helvetica,Sans-serif"));
this.draw(b)};a.Button.prototype.update=function(){f=this.evaluator;D=this.container;p=this.canvas;this.activeIfValue=0<f.eval(this.activeif);(this.drawIfValue=0<f.eval(this.drawif))?(D.style.display="block",this.draw()):(D.style.display="none",this.buttonClick=!1);D.style.cursor=this.activeIfValue?"pointer":"not-allowed";p.style.cursor=this.activeIfValue?"pointer":"not-allowed";D.setAttribute("data-active",this.activeIfValue?"true":"false");this.updatePositionAndSize()};a.Button.prototype.draw=function(d){D=
this.container;f=this.evaluator;p=this.canvas;c=this.ctx;b=f.eval(this.name);u=this.evaluator.eval(this.imageSrc).toString().trim();if(!d&&(E=this.over===this.oldOver,H=this.buttonClick===this.oldButtonClick,F=this.activeIfValue===this.oldActiveIfValue,J=this.drawIfValue===this.oldDrawIfValue,B=b===this.oldName,z=u===this.oldImageSrc,this.oldOver=this.over,this.oldButtonClick=this.buttonClick,this.oldActiveIfValue=this.activeIfValue,this.oldDrawIfValue=this.drawIfValue,this.oldName=b,this.oldImageSrc=
u,E&&H&&F&&J&&B&&z))return;c.save();c.setTransform(this.ratio,0,0,this.ratio,0,0);k=this.fs_evaluated;D.setAttribute("data-name",b);u?(g="vacio.gif"===u?this.emptyImage:this.parent.getImage(u),I=u.substr(0,u.lastIndexOf(".")),G=u.substr(u.lastIndexOf(".")),M=I+"_over"+G,y=I+"_down"+G,L="vacio.gif"===u?this.emptyImage:this.parent.getImage(M),K="vacio.gif"===u?this.emptyImage:this.parent.getImage(y)):K=L=g=this.emptyImage;c.clearRect(0,0,this.w,this.h);q=r=0;this.buttonClick&&(q=r=1);n=h(this.w/2+r)-
.5;w=h(this.h/2+q)-.5;g&&(m=g.height||1E8,x=a.getFontMetrics(this.italics+" "+this.bold+" "+k+"px descartesJS_sansserif, Arial, Helvetica, Sans-serif").h,A=""!=b?0<=this.h-m-x-2?!0:!1:!1,v=parseInt((this.w-g.width)/2)+r,e=A?parseInt((this.h-x-g.height+2)/2):parseInt((this.h-g.height)/2)+q,A&&(w=parseInt(this.h-x/2-2),D.style.backgroundColor=this.colorInt.getColor(),c.strokeStyle=this.color.getColor(),c.lineWidth=1,c.beginPath(),c.moveTo(.5,.5),c.lineTo(this.w-.5,.5),c.lineTo(this.w-.5,this.h-.5),
c.lineTo(.5,this.h-.5),c.closePath(),c.stroke()));g&&g.ready?g!==this.emptyImage&&g.complete?u.match(C)?(this.canvas.style.backgroundRepeat="no-repeat",this.canvas.style.backgroundImage="url('"+u+"')",this.canvas.style.backgroundPosition=v+"px "+e+"px"):c.drawImage(g,v,e):this.emptyImage&&this.customStyle&&(D.style.backgroundColor=this.colorInt.getColor()):(D.style.backgroundColor=this.colorInt.getColor(),this.buttonClick||(a.drawLine(c,this.w-1,0,this.w-1,this.h,"rgba(0,0,0,0.5)"),a.drawLine(c,0,
0,0,this.h,"rgba(0,0,0,0.09)"),a.drawLine(c,1,0,1,this.h,"rgba(0,0,0,0.03)")),c.fillStyle=this.linearGradient,c.fillRect(0,0,this.w,this.h));this.activeIfValue&&(L!==this.emptyImage&&this.over&&L.ready&&L.complete?M.match(C)?(this.canvas.style.backgroundImage="url('"+M+"')",this.canvas.style.backgroundPosition=v+"px "+e+"px"):c.drawImage(L,v,e):this.customStyle&&this.conStyle.overColor&&this.over&&(D.style.backgroundColor=this.conStyle.overColor));this.activeIfValue?K!==this.emptyImage&&this.buttonClick&&
K.ready&&K.complete?y.match(C)?(this.canvas.style.backgroundImage="url('"+y+"')",this.canvas.style.backgroundPosition=v+"px "+e+"px"):c.drawImage(K,v,e):this.customStyle&&this.conStyle.downColor&&this.buttonClick&&(D.style.backgroundColor=this.conStyle.downColor):this.buttonClick&&!g&&(c.fillStyle="rgba(0,0,0,0.09)",c.fillRect(0,0,this.w,this.h));c.fillStyle=this.color.getColor();this.customStyle&&this.conStyle.shadowTextColor&&0<this.conStyle.textBorder&&(c.lineWidth=this.conStyle.textBorder,c.strokeStyle=
this.conStyle.shadowTextColor,c.strokeText(b,n,w));A||this.conStyle||!this.drawTextBorder()||(c.lineWidth=parseInt(k/6),c.strokeStyle=this.colorInt.getColor(),c.strokeText(b,n,w));c.fillText(b,n,w);this.underlined&&(t=c.measureText(b).width,c.strokeStyle=this.color.getColor(),c.lineWidth=h(k/10)||2,c.lineCap="round",c.beginPath(),c.moveTo(parseInt((this.w-t)/2)+r,w+h(k/2)+h(k/5)-1.5),c.lineTo(parseInt((this.w+t)/2)+r,w+h(k/2)+h(k/5)-1.5),c.stroke());this.activeIfValue||(this.customStyle&&this.conStyle.inactiveColor?
D.style.backgroundColor=this.conStyle.inactiveColor:(c.fillStyle="rgba(240,240,240,0.6)",c.fillRect(0,0,this.w,this.h)));c.restore();this._image_pos_x=v;this._image_pos_y=e};a.Button.prototype.drawTextBorder=function(){this.colorInt.getColor();this.color.getColor();return!(.5>(d(this.colorInt.r-this.color.r)+d(this.colorInt.g-this.color.g)+d(this.colorInt.b-this.color.b))/255)};a.Button.prototype.buttonPressed=function(){this.updateAndExecAction()};a.Button.prototype.addEvents=function(){function b(c,
e,k){a.clearTimeout(g);d.buttonClick&&d.drawIfValue&&d.activeIfValue&&(e.call(d),c=k?c:100,g=a.setTimeout(function(){b(c,e,!1)},c))}function e(g){this.focus();g.preventDefault();g.stopPropagation();document.activeElement!=document.body&&document.activeElement.blur();d.whichBtn=a.whichBtn(g);"L"==d.whichBtn&&d.activeIfValue&&(d.buttonClick=!0,d.draw(),"calculate"==d.action&&(d.evaluator.setVariable(d.id,d.evaluator.eval(d.valueExpr)),b(1E3,d.buttonPressed,!0)),d.canvas.removeEventListener("touchend",
c),d.canvas.addEventListener("touchend",c),d.canvas.removeEventListener("mouseup",c),d.canvas.addEventListener("mouseup",c))}function c(a){this.focus();a.preventDefault();a.stopPropagation();if(d.activeIfValue||d.buttonClick)d.buttonClick=!1,d.draw(),"calculate"!=d.action&&(d.evaluator.setVariable(d.id,d.evaluator.eval(d.valueExpr)),d.buttonPressed()),d.canvas.removeEventListener("touchend",c),d.canvas.removeEventListener("mouseup",c);d.parent.update()}var d=this,g;d.canvas.oncontextmenu=function(){return!1};
this.over=this.buttonClick=!1;this.canvas.addEventListener("touchstart",e);this.canvas.addEventListener("mousedown",e);this.canvas.addEventListener("mouseover",function(a){a.preventDefault();a.stopPropagation();d.over=!0;d.draw()});this.canvas.addEventListener("mouseout",function(a){a.preventDefault();a.stopPropagation();d.over=!1;d.buttonClick=!1;d.draw()});document.addEventListener("visibilitychange",function(a){d.buttonClick=!1})};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;
var h,d,f,p,c,l,k,b,u,g,r,q,t,v,e,n,w,m;a.Spinner=function(b,c){a.Control.call(this,b,c);this.tabindex=++this.parent.tabindex;"_._"==this.name&&(this.name="");"["===this.name.charAt(0)&&"]"===this.name.charAt(this.name.length-1)?this.name=this.parser.parse(this.name.substring(1,this.name.length-1)):this.name=this.parser.parse("'"+this.name+"'");this.containerControl=document.createElement("div");this.canvas=document.createElement("canvas");this.divUp=document.createElement("div");this.divDown=document.createElement("div");
this.field=document.createElement("input");this.label=document.createElement("label");this.containerControl.appendChild(this.label);this.containerControl.appendChild(this.field);this.containerControl.appendChild(this.canvas);this.containerControl.appendChild(this.divUp);this.containerControl.appendChild(this.divDown);this.addControlContainer(this.containerControl);m=this.evaluator.parser.parse("1");this.originalIncr=this.incr;if(0>=this.evaluator.eval(this.decimals)||0==this.evaluator.eval(this.incr)){var e=
this.evaluator.eval(this.incr);0<e?this.originalIncr=this.incr=this.evaluator.parser.parse(parseInt(e).toString()):this.incr=m}this.addEvents();this.init()};a.extend(a.Spinner,a.Control);a.Spinner.prototype.init=function(){h=this.evaluator;var b=h.eval(this.name).toString();this.label.innerHTML=b;this.value=this.validateValue(h.eval(this.valueExpr));var c=this.formatOutputValue(this.value);this.fieldFontSize=2!==this.parent.version?a.getFieldFontSize(this.h):10;var e=2!==this.parent.version?"__":
"_____",d=a.getTextWidth(c+"_",this.fieldFontSize+"px Arial"),g=2+parseInt(this.h/2),k=parseInt(this.w/2-g/2),e=a.getTextWidth(b+e,this.fieldFontSize+"px Arial");this.visible||(k=this.w-g,d=0);k<e&&(k=e);""==b&&(k=0);this.w-k-g<d&&(k=this.w-g-d);0>k&&(k=0);b=this.w-(k+g);this.containerControl.setAttribute("class","DescartesSpinnerContainer");this.containerControl.setAttribute("style","width: "+this.w+"px; height: "+this.h+"px; left: "+this.x+"px; top: "+this.y+"px; z-index: "+this.zIndex+";");this.containerControl.setAttribute("id",
this.id);this.canvas.setAttribute("width",g+"px");this.canvas.setAttribute("height",this.h+"px");this.canvas.setAttribute("style","position: absolute; left: "+k+"px; top: 0px;");this.ctx=this.canvas.getContext("2d");this.ctx.imageSmoothingEnabled=!1;this.divUp.setAttribute("class","up");this.divUp.setAttribute("style","background-color: rgba(255, 255, 255, 0); cursor: pointer; position: absolute; width : "+g+"px; height : "+this.h/2+"px; left: "+k+"px; top: 0px;");this.divDown.setAttribute("class",
"down");this.divDown.setAttribute("style","background-color: rgba(255, 255, 255, 0); cursor: pointer; position: absolute; width : "+g+"px; height : "+this.h/2+"px; left: "+k+"px; top: "+this.h/2+"px;");this.field.setAttribute("type","text");this.field.setAttribute("id",this.id+"_spinner");this.field.setAttribute("class","DescartesSpinnerField");this.field.setAttribute("style","font-family: Arial; font-size: "+this.fieldFontSize+"px; width : "+b+"px; height : "+this.h+"px; left: "+(g+k)+"px;");this.field.setAttribute("tabindex",
this.tabindex);this.field.value=c;this.visible||(this.field.style.display="none");this.label.setAttribute("class","DescartesSpinnerLabel");this.label.setAttribute("style","font-size:"+this.fieldFontSize+"px; width: "+k+"px; height: "+this.h+"px; line-height: "+this.h+"px;");h.setVariable(this.id,this.value);this.createGradient(this.h/2,this.h)};a.Spinner.prototype.update=function(){h=this.evaluator;this.label.innerHTML=h.eval(this.name).toString();0>=h.eval(this.decimals)?(d=h.eval(this.incr),0<d?
this.originalIncr=this.incr=h.parser.parse(parseInt(d).toString()):this.incr=m):this.incr=0!=h.eval(this.originalIncr)?this.originalIncr:m;this.activeIfValue=0<h.eval(this.activeif);this.drawIfValue=0<h.eval(this.drawif);this.field.disabled=!this.activeIfValue;this.drawIfValue?(this.containerControl.style.display="block",this.draw()):(this.click=!1,this.containerControl.style.display="none");this.updatePositionAndSize();this.parent.animation.playing&&document.activeElement==this.field||(f=this.field.value,
p=this.value,this.value=this.validateValue(h.getVariable(this.id)),this.field.value=this.formatOutputValue(this.value),this.value==p&&this.field.value!=f&&(this.value=this.validateValue(f),this.field.value=this.formatOutputValue(this.value)),h.setVariable(this.id,this.value))};a.Spinner.prototype.draw=function(){c=this.ctx;l=this.canvas.width;k=this.canvas.height;c.fillStyle="#f0f8ff";c.fillRect(0,0,l,k);c.fillStyle=this.linearGradient;c.fillRect(0,0,l,k);this.up?(b="gray",u="#f0f8ff"):(b="#f0f8ff",
u="gray");a.drawLine(c,0,0,l,0,b);a.drawLine(c,0,0,0,k/2,b);a.drawLine(c,0,k/2,l,k/2,u);this.down?(b="gray",u="#f0f8ff"):(b="#f0f8ff",u="gray");a.drawLine(c,0,k/2+1,l,k/2+1,b);a.drawLine(c,0,k/2+1,0,k,b);a.drawLine(c,0,k-1,l,k-1,u);g=[parseInt(l/2+1),parseInt(l/5+1),parseInt(l-l/5+1)];r=[parseInt(k/8+1),parseInt(k/8+1+k/4),parseInt(k/8+1+k/4)];c.fillStyle=this.activeIfValue?"#2244cc":"#8888aa";c.beginPath();c.moveTo(g[0],r[0]);c.lineTo(g[1],r[1]);c.lineTo(g[2],r[2]);c.fill();r=[parseInt(k-k/8),parseInt(k-
k/8-k/4),parseInt(k-k/8-k/4)];c.fillStyle=this.activeIfValue?"#d00018":"#aa8888";c.beginPath();c.moveTo(g[0],r[0]);c.lineTo(g[1],r[1]);c.lineTo(g[2],r[2]);c.fill();c.fillStyle="rgba(0,0,0,"+24/255+")";this.up&&c.fillRect(0,0,l,k/2);this.down&&c.fillRect(0,k/2,l,k)};a.Spinner.prototype.validateValue=function(a){h=this.evaluator;isNaN(parseFloat(a))||a.toString().match("e")&&(a=parseFloat(a).toFixed(20));a=void 0!=a?a.toString():"0";a=a.replace(this.parent.decimal_symbol,".");q=a==parseFloat(a)?parseFloat(a):
parseFloat(h.eval(h.parser.parse(a)));isNaN(q)&&(q=0);e=h.eval(this.min);n=h.eval(this.max);""===e&&(e=-Infinity);""===n&&(n=Infinity);q<e&&(q=e);q>n&&(q=n);this.discrete&&(t=h.eval(this.incr),q=0==t?0:t*Math.round(q/t));v=h.eval(this.decimals);0>=v&&(v=0);return q=parseFloat(parseFloat(q).toFixed(v))};a.Spinner.prototype.increase=function(){this.changeValue(parseFloat(this.value)+this.evaluator.eval(this.incr))};a.Spinner.prototype.decrease=function(){this.changeValue(parseFloat(this.value)-this.evaluator.eval(this.incr))};
a.Spinner.prototype.changeValue=function(a){this.activeIfValue&&(this.value=this.validateValue(a),this.field.value=this.formatOutputValue(this.value),this.evaluator.setVariable(this.id,this.value),this.updateAndExecAction())};a.Spinner.prototype.addEvents=function(){function b(c,e,d){a.clearTimeout(q);if(k.up||k.down)e.call(k),c=d?c:30,q=a.setTimeout(function(){b(c,e)},c)}function c(e){e.preventDefault();k.whichBtn=a.whichBtn(e);"L"==k.whichBtn&&k.activeIfValue&&(k.up=!0,b(f,k.increase,!0),k.draw())}
function e(c){c.preventDefault();k.whichBtn=a.whichBtn(c);"L"==k.whichBtn&&k.activeIfValue&&(k.down=!0,b(f,k.decrease,!0),k.draw())}function d(b){k.up=!1;a.clearTimeout(q);k.draw()}function g(b){k.down=!1;a.clearTimeout(q);k.draw()}w=a.hasTouchSupport;var k=this,f=w?500:200,q;k.divUp.oncontextmenu=k.divDown.oncontextmenu=k.field.oncontextmenu=k.label.oncontextmenu=function(){return!1};this.label.addEventListener("touchstart",function(a){a.preventDefault();return!1});this.label.addEventListener("mousedown",
function(a){a.preventDefault();return!1});this.field.addEventListener("keydown",function(a){13==a.keyCode&&k.changeValue(k.field.value)});this.divUp.addEventListener("touchstart",c);this.divUp.addEventListener("mousedown",c);this.divDown.addEventListener("touchstart",e);this.divDown.addEventListener("mousedown",e);this.divUp.addEventListener("mouseout",function(b){k.up=!1;a.clearTimeout(q);k.draw();b.preventDefault()});this.divDown.addEventListener("mouseout",function(b){k.down=!1;a.clearTimeout(q);
k.draw();b.preventDefault()});this.divUp.addEventListener("touchend",d);window.addEventListener("touchend",d);this.divUp.addEventListener("mouseup",d);window.addEventListener("mouseup",d);this.divDown.addEventListener("touchend",g);window.addEventListener("touchend",g);this.divDown.addEventListener("mouseup",g);window.addEventListener("mouseup",g);document.addEventListener("visibilitychange",function(b){k.up=!1;k.down=!1;a.clearTimeout(q);k.draw()});k.field.addEventListener("click",function(a){this.select();
this.focus()})};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l;a.TextField=function(c,b){a.Control.call(this,c,b);"["===this.name.charAt(0)&&"]"===this.name.charAt(this.name.length-1)?this.name=this.parser.parse(this.name.substring(1,this.name.length-1)):this.name=this.parser.parse("'"+this.name.trim()+"'");void 0===this.valueExprString&&(this.valueExprString=this.onlyText?"0":"");this.emptyString=!1;this.ok=0;this.tabindex=++this.parent.tabindex;this.regExpDecimalSymbol=
new RegExp("\\"+this.parent.decimal_symbol,"g");if(this.answer)if(this.answer.match("krypto_")&&(this.answer=(new a.Krypto).decode(this.answer.substring(7))),this.answerPattern=this.answer,this.answer=a.buildRegularExpresionsPatterns(this.answer,this.evaluator),this.onlyText){var d=this.answerPattern.indexOf("|");this.firstAnswer=-1==d?this.answerPattern:this.answerPattern.substring(0,d)}else this.firstAnswer=this.parser.parse(this.answerPattern.substring(1,this.answerPattern.indexOf(",")));this.onlyText&&
(this.valueExprString.match(/^'/)&&this.valueExprString.match(/'$/)||(this.valueExpr=this.evaluator.parser.parse("'"+this.valueExprString+"'")),this.validateValue=function(a){a=a.toString();return"''"==a||"'"==a?"":a&&a.match(/^'/)&&a.match(/'$/)?a.substring(1,a.length-1):a},this.formatOutputValue=function(a){return a.toString()});""==name.trim()&&(name="");this.containerControl=document.createElement("div");this.field=document.createElement("input");this.label=document.createElement("label");this.containerControl.appendChild(this.label);
this.containerControl.appendChild(this.field);this.addControlContainer(this.containerControl);this.addEvents();this.init()};a.extend(a.TextField,a.Control);a.TextField.prototype.init=function(){h=this.evaluator;var c=h.eval(this.name).toString();this.label.innerHTML=c;this.value=this.validateValue(h.eval(this.valueExpr));var b=this.formatOutputValue(this.value);this.fieldFontSize=a.getFieldFontSize(this.h);var d=a.getTextWidth(b+"_",this.fieldFontSize+"px Arial"),g=parseInt(this.w/2),f=a.getTextWidth(c,
this.fieldFontSize+"px Arial");this.visible||(g=this.w,d=0);g<f&&(g=f);""==c&&(g=0);this.w-g<d&&(g=this.w-d);0>g&&(g=0);c=this.w-g;this.containerControl.setAttribute("class","DescartesTextFieldContainer");this.containerControl.setAttribute("style","width: "+this.w+"px; height: "+this.h+"px; left: "+this.x+"px; top: "+this.y+"px; z-index: "+this.zIndex+";");this.field.setAttribute("type","text");this.field.setAttribute("id",this.id+"TextField");this.field.setAttribute("class","DescartesTextFieldField");
this.field.setAttribute("style","font-size: "+this.fieldFontSize+"px; width : "+c+"px; height : "+this.h+"px; left: "+g+"px;");this.field.setAttribute("tabindex",this.tabindex);this.field.value=b;this.label.setAttribute("class","DescartesTextFieldLabel");this.label.setAttribute("style","font-size:"+this.fieldFontSize+"px; width: "+g+"px; height: "+this.h+"px; line-height: "+this.h+"px;");this.evaluate&&(this.ok=this.evaluateAnswer());this.evaluator.setVariable(this.id,this.value);this.evaluator.setVariable(this.id+
".ok",this.ok);this.oldValue=this.value;this.update()};a.TextField.prototype.update=function(){h=this.evaluator;this.label.innerHTML=h.eval(this.name).toString();this.activeIfValue=0<h.eval(this.activeif);this.drawIfValue=0<h.eval(this.drawif);this.field.disabled=!this.activeIfValue;this.containerControl.style.display=this.drawIfValue?"block":"none";this.updatePositionAndSize();this.parent.animation.playing&&document.activeElement==this.field||(d=this.field.value,f=this.value,this.value=this.validateValue(h.getVariable(this.id)),
this.field.value=this.formatOutputValue(this.value),this.value===f&&this.field.value!=d&&(this.value=this.validateValue(d),this.field.value=this.formatOutputValue(this.value)),h.setVariable(this.id,this.value))};a.TextField.prototype.validateValue=function(a){if(""===a||"''"==a)return"";h=this.evaluator;a=a.toString().replace(this.regExpDecimalSymbol,".","g");p=a==parseFloat(a)?parseFloat(a):parseFloat(h.eval(h.parser.parse(a)));isNaN(p)&&(p=0);c=h.eval(this.min);""==c&&(c=-Infinity);l=h.eval(this.max);
""==l&&(l=Infinity);p<c&&(p=c);p>l&&(p=l);this.discrete&&(a=h.eval(this.incr),p=0==a?0:a*Math.round(p/a));return p=parseFloat(parseFloat(p).toFixed(h.eval(this.decimals)))};a.TextField.prototype.formatOutputValue=function(a){return""===a?"":this.uber.formatOutputValue.call(this,a)};a.TextField.prototype.changeValue=function(a,b){this.activeIfValue&&(this.value=this.validateValue(a),this.field.value=this.formatOutputValue(this.value),this.evaluate&&(this.ok=this.evaluateAnswer()),this.evaluator.setVariable(this.id,
this.value),this.evaluator.setVariable(this.id+".ok",this.ok),this.updateAndExecAction())};a.TextField.prototype.evaluateAnswer=function(){return a.esCorrecto(this.answer,this.value,this.evaluator,this.answer)};a.TextField.prototype.getFirstAnswer=function(){return this.answer?this.onlyText?this.firstAnswer:this.evaluator.eval(this.firstAnswer):""};a.TextField.prototype.addEvents=function(){var a=this;a.field.oncontextmenu=a.label.oncontextmenu=function(){return!1};a.label.addEventListener("touchstart",
function(a){a.preventDefault();return!1});a.label.addEventListener("mousedown",function(a){a.preventDefault();return!1});this.field.addEventListener("blur",function(b){a.evaluator.eval(a.drawIf)&&a.changeValue(a.field.value,!0)});this.field.addEventListener("keydown",function(b){a.activeIfValue&&13==b.keyCode&&a.changeValue(a.field.value,!0)});a.field.addEventListener("click",function(a){this.select();this.focus()})};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.abs,
d,f,p,c,l,k,b,u,g,r;a.Menu=function(b,c){function g(a){e.options=a.split(",");e.menuOptions=[];e.strValue=[];var b;a=0;for(var c=e.options.length;a<c;a++)b=e.customSplit(e.options[a]),1==b.length?(e.menuOptions.push(b[0]),e.strValue.push(a.toString())):2==b.length&&(e.menuOptions.push(b[0]),""==b[1]?e.strValue.push(a.toString()):e.strValue.push(b[1]));a=0;for(c=e.menuOptions.length;a<c;a++)e.menuOptions[a].match(/^\[/)&&e.menuOptions[a].match(/\]$/)?e.menuOptions[a]=d.parse(e.menuOptions[a].substring(1,
e.menuOptions[a].length-1)):e.menuOptions[a]=d.parse("'"+e.menuOptions[a]+"'");a=0;for(c=e.strValue.length;a<c;a++)e.strValue[a].match(/^\[/)&&e.strValue[a].match(/\]$/)?e.strValue[a]=d.parse(e.strValue[a].substring(1,e.strValue[a].length-1)):e.strValue[a]=d.parse(e.strValue[a]);for(;e.select.firstChild;)e.select.removeChild(e.select.firstChild);a=0;for(c=e.menuOptions.length;a<c;a++)b=document.createElement("option"),b.innerHTML=f.eval(e.menuOptions[a]),e.select.appendChild(b);return 0}this.options=
"";a.Control.call(this,b,c);d=this.parser;f=this.evaluator;this.ok=0;this.tabindex=++this.parent.tabindex;this.answer&&(this.answer.match("krypto_")&&(this.answer=(new a.Krypto).decode(this.answer.substring(7))),this.answer=parseInt(this.answer.split(",")[0].replace("[",""))||0);"["===this.name.charAt(0)&&"]"===this.name.charAt(this.name.length-1)?this.name=this.parser.parse(this.name.substring(1,this.name.length-1)):this.name=this.parser.parse("'"+this.name+"'");var e=this;this.evaluator.setFunction(this.id+
".setOptions",g);this.containerControl=document.createElement("div");this.label=document.createElement("label");this.select=document.createElement("select");this.field=document.createElement("input");g(this.options);this.containerControl.appendChild(this.label);this.containerControl.appendChild(this.select);this.visible&&this.containerControl.appendChild(this.field);this.addControlContainer(this.containerControl);this.addEvents();this.init()};a.extend(a.Menu,a.Control);a.Menu.prototype.init=function(b){f=
this.evaluator;var c=f.eval(this.name).toString();this.label.innerHTML=c;this.fieldFontSize=2!=this.parent.version?a.getFieldFontSize(this.h):10;var d=0,e=0,g=0;this.value=b?this.value:f.eval(this.valueExpr);this.indexValue=this.getIndex(this.value);b=0;for(var k=this.menuOptions.length;b<k;b++)g=a.getTextWidth(f.eval(this.menuOptions[b]).toString(),this.fieldFontSize+"px Arial"),g>d&&(d=g,e=b);d+=25;g=a.getTextWidth(this.formatOutputValue(f.eval(this.strValue[e])),this.fieldFontSize+"px Arial")+
7;e=a.getTextWidth(c,this.fieldFontSize+"px Arial")+10;""==c&&(e=0);this.visible||(g=0);for(c=this.w-g-e;c<d&&0<e;)e--,c++;for(;c<d&&0<g;)g--,c++;for(;e+c+g+1<this.w;)c++,g++;d=e;b=d+c;g=this.w-b;k=this.formatOutputValue(f.eval(this.strValue[this.indexValue]));this.containerControl.setAttribute("class","DescartesMenuContainer");this.containerControl.setAttribute("style","width: "+this.w+"px; height: "+this.h+"px; left: "+this.x+"px; top: "+this.y+"px; z-index:"+this.zIndex+";");this.label.setAttribute("class",
"DescartesMenuLabel");this.label.setAttribute("style","font-size:"+this.fieldFontSize+"px; width:"+e+"px; height:"+this.h+"px; line-height:"+this.h+"px;");this.field.setAttribute("type","text");this.field.setAttribute("id",this.id+"_menuField");this.field.value=k;this.field.setAttribute("class","DescartesMenuField");this.field.setAttribute("style","font-size: "+this.fieldFontSize+"px; width: "+g+"px; height: "+this.h+"px; left:"+b+"px;");this.field.setAttribute("tabindex",this.tabindex);this.select.setAttribute("id",
this.id+"_menuSelect");this.select.setAttribute("class","DescartesMenuSelect");this.select.setAttribute("style","text-align:left; font-size:"+this.fieldFontSize+"px; width: "+c+"px; height: "+this.h+"px; left: "+d+"px; border: 1.5px solid #7a8a99; background-color: #eeeeee;");this.select.setAttribute("tabindex",this.tabindex);this.select.selectedIndex=this.indexValue;f.setVariable(this.id,parseFloat(k.replace(this.parent.decimal_symbol,".")));this.update()};a.Menu.prototype.update=function(){f=this.evaluator;
this.activeIfValue=0<f.eval(this.activeif);this.drawIfValue=0<f.eval(this.drawif);this.field.disabled=this.activeIfValue?!1:!0;this.select.disabled=this.activeIfValue?!1:!0;this.drawIfValue?this.containerControl.style.display="block":(this.click=!1,this.containerControl.style.display="none");if(!this.parent.animation.playing||document.activeElement!=this.select){this.label.innerHTML=f.eval(this.name).toString();for(var a=0,b=this.menuOptions.length;a<b;a++)this.select.options[a].innerHTML=f.eval(this.menuOptions[a]);
this.value=f.getVariable(this.id);isNaN(this.value)&&(this.value=0);this.field.value=this.formatOutputValue(this.value);f.setVariable(this.id,parseFloat(this.value));this.select.selectedIndex=parseFloat(this.getIndex(this.value))}this.ok=this.value==this.answer?1:0;this.evaluator.setVariable(this.id+".ok",this.ok);this.updatePositionAndSize()};a.Menu.prototype.customSplit=function(a){k=!1;b="";u=0;for(g=-1;u<a.length;){r=a.charAt(u);a.charAt(u-1);if("["===r&&-1===g){if(k||""!=b)b+="\u00a6";g++}else"["===
r?g++:"]"===r&&0===g?(k=!0,g--):"]"==a.charAt(u)&&(g=0>g?g:g-1);b+=a.charAt(u);u++}return b.split("\u00a6")};a.Menu.prototype.getIndex=function(a){a=parseFloat(a.toString().replace(this.parent.decimal_symbol,"."));p=-1;c=Infinity;for(var b=0,d=this.strValue.length;b<d;b++)l=h(a-parseFloat(this.evaluator.eval(this.strValue[b]))),l<=c&&(c=l,p=b);return p};a.Menu.prototype.changeValue=function(){this.activeIfValue&&(this.evaluator.setVariable(this.id,this.value),this.updateAndExecAction())};a.Menu.prototype.addEvents=
function(){var a=this;a.select.oncontextmenu=a.label.oncontextmenu=a.field.oncontextmenu=function(){return!1};a.label.addEventListener("touchstart",function(a){a.preventDefault();return!1});a.label.addEventListener("mousedown",function(a){a.preventDefault();return!1});this.select.addEventListener("change",function(b){a.value=a.evaluator.eval(a.strValue[this.selectedIndex]);a.field.value=a.formatOutputValue(a.value);a.evaluator.setVariable(a.id,a.field.value);a.changeValue();b.preventDefault()});this.field.addEventListener("keydown",
function(b){13==b.keyCode&&(a.indexValue=a.getIndex(a.field.value),a.value=a.evaluator.eval(a.strValue[a.indexValue]),a.field.value=a.formatOutputValue(a.indexValue),a.select.selectedIndex=a.indexValue,a.changeValue())});a.field.addEventListener("click",function(a){this.focus()})};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.floor,d,f,p,c,l,k,b,u,g,r,q,t,v,e,n,w,m,x;a.Scrollbar=function(b,c){a.Control.call(this,b,c);"["===this.name.charAt(0)&&"]"===this.name.charAt(this.name.length-
1)?this.name=this.parser.parse(this.name.substring(1,this.name.length-1)):this.name=this.parser.parse("'"+this.name+"'");this.orientation=this.w>=this.h?"h":"v";this.containerControl=document.createElement("div");this.canvas=document.createElement("canvas");this.divUp=document.createElement("div");this.divDown=document.createElement("div");this.field=document.createElement("input");this.scrollManipulator=document.createElement("div");this.label=document.createElement("label");this.containerControl.appendChild(this.canvas);
this.containerControl.appendChild(this.label);this.containerControl.appendChild(this.divUp);this.containerControl.appendChild(this.divDown);this.containerControl.appendChild(this.field);this.containerControl.appendChild(this.scrollManipulator);this.addControlContainer(this.containerControl);this.addEvents();this.init()};a.extend(a.Scrollbar,a.Control);a.Scrollbar.prototype.init=function(){d=this.evaluator;0==d.eval(this.decimals)?this.incr=1:this.incr=(d.eval(this.max)-d.eval(this.min))/100;this.value=
this.validateValue(d.eval(this.valueExpr));p=this.formatOutputValue(this.value);c=this.evaluator.eval(this.expresion);this.x=c[0][0];this.y=c[0][1];4==c[0].length&&(this.w=c[0][2],this.h=c[0][3]);this.orientation=this.w>=this.h?"h":"v";this.initScroll(p);this.changeScrollPositionFromValue();this.prePos=this.pos;d.setVariable(this.id,this.value)};a.Scrollbar.prototype.initScroll=function(b){f=this;d=f.evaluator;var c=d.eval(f.name).toString();f.label.innerHTML=c;var e="v"===f.orientation?parseInt(19+
5*(f.h-100)/100):f.h;f.fieldFontSize="v"===f.orientation?e-parseInt(f.h/20)-1:2!==f.parent.version?a.getFieldFontSize(e):10;var g=a.getTextWidth(b+"_",f.fieldFontSize+"px Arial"),k=f.parent.getSpaceById(f.spaceID).h;f.labelHeight=""==c?0:e;f.fieldHeight=""==f.visible?0:e;if("v"===f.orientation)f.canvasWidth=f.w,f.canvasHeight=f.h-f.labelHeight-f.fieldHeight,18<=f.canvasHeight+f.y-k&&(f.canvasHeight=k),c=0,c=f.fieldHeight,g=c+f.canvasHeight,f.canvasX=0,f.canvasY=f.fieldHeight,f.labelWidth=f.w,f.labelY=
g,f.upWidth=f.downW=f.w,f.upHeight=f.downH=15,f.upX=0,f.upY=f.fieldHeight,f.downX=0,f.downY=g-f.downH,f.fieldWidth=f.w,f.fieldX=0,f.scrollManipulatorW=f.w,f.scrollManipulatorH=parseInt((f.canvasHeight-f.upHeight-f.downH-f.labelHeight-f.fieldHeight)/10),f.scrollManipulatorH=15>f.scrollManipulatorH?15:f.scrollManipulatorH,f.scrollManipulatorLimInf=g-f.downH-f.scrollManipulatorH,f.scrollManipulatorLimSup=c+f.downH;else{e=a.getTextWidth(c,f.fieldFontSize+"px Arial")+10;f.labelWidth=e;f.fieldWidth=g;""==
c&&(f.labelWidth=0);f.visible||(f.fieldWidth=0);for(g=f.w-f.fieldWidth-f.labelWidth;58>g&&0<f.labelWidth;)f.labelWidth--,g++;for(;58>g&&0<f.fieldWidth;)f.fieldWidth--,g++;c=f.labelWidth;e=c+g;f.fieldWidth=f.w-e;f.canvasWidth=g;f.canvasHeight=f.h;f.canvasX=f.labelWidth;f.canvasY=0;f.fieldX=f.canvasWidth+f.labelWidth;f.labelHeight=f.h;f.labelY=0;f.upWidth=f.downW=15;f.upHeight=f.downH=f.h;f.upX=e-f.downW;f.upY=0;f.downX=f.labelWidth;f.downY=0;f.scrollManipulatorW=parseInt((f.canvasWidth-f.upWidth-f.downW)/
10);f.scrollManipulatorW=15>f.scrollManipulatorW?15:f.scrollManipulatorW;f.scrollManipulatorH=f.h;f.scrollManipulatorLimInf=c+f.downW;f.scrollManipulatorLimSup=c+f.canvasWidth-f.downW-f.scrollManipulatorW}f.containerControl.setAttribute("class","DescartesScrollbarContainer");f.containerControl.setAttribute("id",f.id);f.containerControl.setAttribute("style","width: "+f.w+"px; height: "+f.h+"px; left: "+f.x+"px; top: "+f.y+"px; z-index: "+f.zIndex+";");f.canvas.setAttribute("width",f.w+"px");f.canvas.setAttribute("height",
f.h+"px");f.canvas.setAttribute("style","position: absolute; left: 0px; top: 0px;");f.ctx=f.canvas.getContext("2d");f.ctx.imageSmoothingEnabled=!1;f.divUp.setAttribute("class","DescartesCatcher up");f.divUp.setAttribute("style","width : "+f.upWidth+"px; height : "+f.upHeight+"px; left: "+f.upX+"px; top: "+f.upY+"px;");f.divDown.setAttribute("class","DescartesCatcher down");f.divDown.setAttribute("style","width : "+f.downW+"px; height : "+f.downH+"px; left: "+f.downX+"px; top: "+f.downY+"px;");f.scrollManipulator.setAttribute("class",
"DescartesCatcher manipulator");f.scrollManipulator.setAttribute("style","width : "+f.scrollManipulatorW+"px; height : "+f.scrollManipulatorH+"px;");f.scrollManipulator.style.top=("v"===f.orientation?f.scrollManipulatorLimInf:0)+"px";f.scrollManipulator.style.left=("v"===f.orientation?0:f.scrollManipulatorLimInf)+"px";f.field.setAttribute("type","text");f.field.setAttribute("id",f.id+"scrollbar");f.field.setAttribute("class","DescartesScrollbarField");f.field.setAttribute("style","font-size: "+f.fieldFontSize+
"px; width : "+f.fieldWidth+"px; height : "+f.fieldHeight+"px; left: "+f.fieldX+"px; top: 0px;");f.field.value=b;0===f.fieldHeight&&(f.field.style.display="none");f.label.setAttribute("class","DescartesScrollbarLabel");f.label.setAttribute("style","font-size:"+f.fieldFontSize+"px; width: "+f.labelWidth+"px; height: "+f.labelHeight+"px; line-height: "+f.labelHeight+"px; left: 0px; top:"+f.labelY+"px;")};a.Scrollbar.prototype.update=function(){d=this.evaluator;this.label.innerHTML=d.eval(this.name).toString();
0==d.eval(this.decimals)?this.incr=1:this.incr=(d.eval(this.max)-d.eval(this.min))/100;this.activeIfValue=0<d.eval(this.activeif);this.drawIfValue=0<d.eval(this.drawif);this.field.disabled=!this.activeIfValue;this.drawIfValue?(this.containerControl.style.display="block",this.draw()):this.containerControl.style.display="none";this.updatePositionAndSize();var a=this.validateValue(d.getVariable(this.id));a==this.value||0<Math.abs(a-this.value)&&1E-9>Math.abs(a-this.value)||(this.value=a,this.changeScrollPositionFromValue(),
this.prePos=this.pos);this.value=a;this.field.value=this.formatOutputValue(this.value);d.setVariable(this.id,this.value)};a.Scrollbar.prototype.draw=function(){f=this;l=f.ctx;b=h(this.w);k=h(this.h);l.fillStyle="#e0e4e8";l.fillRect(0,0,b,k);l.strokeStyle="#7a8a99";f.down&&(l.fillStyle="#ccdcec",l.fillRect(f.downX+.5,f.downY+.5,f.downW,f.downH-1));l.strokeRect(f.downX+.5,f.downY+.5,f.downW,f.downH-1);f.up&&(l.fillStyle="#ccdcec",l.fillRect(f.upX+.5,f.upY-.5,f.upWidth,f.upHeight+1));l.strokeRect(f.upX+
.5,f.upY-.5,f.upWidth,f.upHeight+1);u=4;l.fillStyle="black";l.beginPath();"h"===f.orientation?(l.moveTo(f.downX+u,f.downH/2),l.lineTo(f.downX+f.downW-u,u),l.lineTo(f.downX+f.downW-u,f.downH-u),l.moveTo(f.upX+f.upWidth-u,f.downH/2),l.lineTo(f.upX+u,u),l.lineTo(f.upX+u,f.downH-u),l.fill(),f.activeIfValue&&(g=h(f.pos),l.fillStyle="#ccdcec",l.fillRect(g+.5,0,h(f.scrollManipulatorW),k),l.strokeStyle="#6382bf",l.strokeRect(g+.5,0,h(f.scrollManipulatorW),k),r=h(f.scrollManipulatorW/2),l.beginPath(),l.moveTo(g+
r+.5-2,3),l.lineTo(g+r+.5-2,k-3),l.moveTo(g+r+.5,3),l.lineTo(g+r+.5,k-3),l.moveTo(g+r+.5+2,3),l.lineTo(g+r+.5+2,k-3),l.stroke())):(l.moveTo(f.downX+f.downW/2,f.downY+f.downH-u),l.lineTo(f.downX+u,f.downY+u),l.lineTo(f.downX+f.downW-u,f.downY+u),l.moveTo(f.upX+f.upWidth/2,f.upY+u),l.lineTo(f.upX+u,f.upY+f.upHeight-u),l.lineTo(f.upX+f.upWidth-u,f.upY+f.upHeight-u),l.fill(),f.activeIfValue&&(g=h(f.pos),l.fillStyle="#ccdcec",l.fillRect(0,g+.5,b,h(f.scrollManipulatorH)),l.strokeStyle="#6382bf",l.strokeRect(0,
g+.5,b,h(f.scrollManipulatorH)),r=h(f.scrollManipulatorH/2),l.beginPath(),l.moveTo(3,g+r+.5-2),l.lineTo(b-3,g+r+.5-2),l.moveTo(3,g+r+.5),l.lineTo(b-3,g+r+.5),l.moveTo(3,g+r+.5+2),l.lineTo(b-3,g+r+.5+2),l.stroke()));l.strokeRect(.5,.5,b-1,k-1);f.activeIfValue||(l.fillStyle="rgba(240,240,240,"+160/255+")",l.fillRect(0,0,b,k.h))};a.Scrollbar.prototype.validateValue=function(a){d=this.evaluator;q=a.toString();q=parseFloat(q.replace(this.parent.decimal_symbol,"."));isNaN(q)&&(q=0);this.minimo=d.eval(this.min);
q<this.minimo&&(this.value=null,q=this.minimo);this.maximo=d.eval(this.max);q>this.maximo&&(this.value=null,q=this.maximo);t=this.incr;q=0!=t?q*t/t:0;this.fixed&&(q=parseFloat(parseFloat(q).toFixed(d.eval(this.decimals))));return q};a.Scrollbar.prototype.increase=function(){this.changeValue(parseFloat(this.value)+this.incr)};a.Scrollbar.prototype.decrease=function(){this.changeValue(parseFloat(this.value)-this.incr)};a.Scrollbar.prototype.increase10=function(){u=(this.evaluator.eval(this.max)-this.evaluator.eval(this.min))/
10;"h"==this.orientation?this.clickPos.x>this.prePos&&this.changeValue(parseFloat(this.value)+u):this.clickPos.y<this.prePos&&this.changeValue(parseFloat(this.value)+u)};a.Scrollbar.prototype.decrease10=function(){u=(this.evaluator.eval(this.max)-this.evaluator.eval(this.min))/10;"h"==this.orientation?this.clickPos.x<this.prePos&&this.changeValue(parseFloat(this.value)-u):this.clickPos.y>this.prePos&&this.changeValue(parseFloat(this.value)-u)};a.Scrollbar.prototype.changeValue=function(a){this.activeIfValue&&
(v=this.validateValue(a),v!=this.value&&(this.value=v,this.field.value=this.formatOutputValue(v),this.changeScrollPositionFromValue(),this.prePos=this.pos,this.evaluator.setVariable(this.id,this.value),this.updateAndExecAction()))};a.Scrollbar.prototype.changeValueForScrollMovement=function(){d=this.evaluator;e=this.scrollManipulatorLimInf;n=this.scrollManipulatorLimSup;w=d.eval(this.min);m=d.eval(this.max);t=this.incr;v=h((this.pos-e)*(m-w)/(n-e)/t)*t+w;v!=this.value&&(this.value=v,this.field.value=
this.formatOutputValue(v),d.setVariable(this.id,this.value),this.parent.updateControls(),this.actionExec.execute(),this.parent.update())};a.Scrollbar.prototype.changeScrollPositionFromValue=function(){d=this.evaluator;e=this.scrollManipulatorLimInf;n=this.scrollManipulatorLimSup;w=d.eval(this.min);m=d.eval(this.max);t=this.incr;this.pos=(this.value-w)*(n-e)/(m-w)+e;"h"==this.orientation?this.scrollManipulator.style.left=this.pos+"px":this.scrollManipulator.style.top=this.pos+"px"};a.Scrollbar.prototype.addEvents=
function(){function b(c,e,d,g){a.clearTimeout(p);(n.up||n.down||n.canvasClick)&&1E-7<Math.abs(n.value-g)&&(e.call(n),c=d?c:30,p=a.setTimeout(function(){b(c,e,!1,g)},c))}function c(e){e.preventDefault();n.whichBtn=a.whichBtn(e);"L"==n.whichBtn&&n.activeIfValue&&(n.clickPos=a.getCursorPosition(e,n.containerControl),n.canvasClick=!0,"h"==n.orientation?n.clickPos.x<n.prePos?b(t,n.decrease10,!0,n.minimo):b(t,n.increase10,!0,n.maximo):n.clickPos.y<n.prePos?b(t,n.increase10,!0,n.maximo):b(t,n.decrease10,
!0,n.minimo))}function e(b){n.canvasClick=!1;a.clearTimeout(p)}function d(b){1==n.canvasClick&&(n.clickPos=a.getCursorPosition(b,n.containerControl),b.preventDefault())}function g(a){n.scrollClick=!1;n.prePos=n.pos;window.removeEventListener("mouseup",g,!1);window.removeEventListener("mousemove",f,!1);a.preventDefault()}function k(a){n.scrollClick=!1;n.prePos=n.pos;window.removeEventListener("touchend",k,!1);window.removeEventListener("touchmove",f,!1);a.preventDefault()}function f(b){var c=a.getCursorPosition(b,
n.containerControl);"h"==n.orientation?(n.pos=n.prePos-(n.initPos.x-c.x),n.pos<n.scrollManipulatorLimInf&&(n.pos=n.scrollManipulatorLimInf),n.pos>n.scrollManipulatorLimSup&&(n.pos=n.scrollManipulatorLimSup),n.scrollManipulator.setAttribute("style","background-color: rgba(255, 255, 255, 0); cursor: pointer; position: absolute; width : "+n.scrollManipulatorW+"px; height : "+n.h+"px; left: "+n.pos+"px; top: 0px;")):(n.pos=n.prePos-(n.initPos.y-c.y),n.pos>n.scrollManipulatorLimInf&&(n.pos=n.scrollManipulatorLimInf),
n.pos<n.scrollManipulatorLimSup&&(n.pos=n.scrollManipulatorLimSup),n.scrollManipulator.setAttribute("style","background-color: rgba(255, 255, 255, 0); cursor: pointer; position: absolute; width : "+n.w+"px; height : "+n.scrollManipulatorH+"px; left: 0px; top: "+n.pos+"px;"));n.changeValueForScrollMovement();b.preventDefault()}function q(c){c.preventDefault();n.whichBtn=a.whichBtn(c);"L"==n.whichBtn&&n.activeIfValue&&(n.up=!0,b(t,n.increase,!0,n.maximo))}function l(c){c.preventDefault();n.whichBtn=
a.whichBtn(c);"L"==n.whichBtn&&n.activeIfValue&&(n.down=!0,b(t,n.decrease,!0,n.minimo))}function h(b){n.down=!1;a.clearTimeout(p);b.preventDefault()}function r(b){n.up=!1;a.clearTimeout(p);n.draw()}function m(b){n.down=!1;a.clearTimeout(p);n.draw()}x=a.hasTouchSupport;var n=this,t=x?500:200,p;n.canvas.oncontextmenu=n.divUp.oncontextmenu=n.divDown.oncontextmenu=n.label.oncontextmenu=n.field.oncontextmenu=n.scrollManipulator.oncontextmenu=function(){return!1};this.field.addEventListener("keydown",function(a){13==
a.keyCode&&n.changeValue(n.field.value)});this.canvas.addEventListener("touchstart",c);this.canvas.addEventListener("mousedown",c);this.divDown.addEventListener("mouseout",h);window.addEventListener("touchend",e);window.addEventListener("mouseup",e);this.canvas.addEventListener("touchmove",d);this.canvas.addEventListener("mousemove",d);this.scrollManipulator.addEventListener("touchstart",function(b){n.activeIfValue&&(n.scrollClick=!0,n.initPos=a.getCursorPosition(b,n.containerControl),window.addEventListener("touchend",
k),window.addEventListener("touchmove",f),b.preventDefault())});this.scrollManipulator.addEventListener("mousedown",function(b){n.activeIfValue&&(n.scrollClick=!0,n.initPos=a.getCursorPosition(b,n.containerControl),window.addEventListener("mouseup",g),window.addEventListener("mousemove",f),b.preventDefault())});this.divUp.addEventListener("touchstart",q);this.divUp.addEventListener("mousedown",q);this.divDown.addEventListener("touchstart",l);this.divDown.addEventListener("mousedown",l);this.divUp.addEventListener("mouseout",
function(b){n.up=!1;a.clearTimeout(p);b.preventDefault()});this.divDown.addEventListener("mouseout",h);window.addEventListener("touchend",r);window.addEventListener("mouseup",r);window.addEventListener("touchend",m);window.addEventListener("mouseup",m)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h;a.Audio=function(d,h){this.controls=!0;this.file="";this.oldDrawIf=0;a.Control.call(this,d,h);var c=this,l=c.evaluator.eval(c.expresion);4==l[0].length?(c.w=l[0][2],c.h=
l[0][3]):(c.w=200,c.h=28);c.audio=c.parent.getAudio(c.file);c.autoplay&&(c.audio.setAttribute("autoplay","autoplay"),c.audio.play());c.loop&&c.audio.setAttribute("loop","loop");c.controls&&c.audio.setAttribute("controls","controls");c.audio.setAttribute("style","position: absolute; width: "+c.w+"px; left: "+c.x+"px; top: "+c.y+"px; z-index: "+c.zIndex+";");c.addControlContainer(c.audio);c.evaluator.setFunction(c.id+".play",function(){try{c.audio.play()}catch(a){}return 0});c.evaluator.setFunction(c.id+
".pause",function(){try{c.audio.pause()}catch(a){}return 0});c.evaluator.setFunction(c.id+".stop",function(){try{c.audio.pause(),c.audio.currentTime=0}catch(a){}return 0});c.evaluator.setFunction(c.id+".currentTime",function(a){try{c.audio.currentTime=parseFloat(a)}catch(b){}return 0});c.audio.addEventListener("timeupdate",function(a){c.evaluator.setVariable(c.id+".currentTime",c.audio.currentTime)})};a.extend(a.Audio,a.Control);a.Audio.prototype.init=function(){this.audio.style.left=this.x+"px";
this.audio.style.top=this.y+"px";this.update()};var d;a.Audio.prototype.update=function(){h=this.evaluator;(d=0<h.eval(this.drawif))?this.audio.style.display="block":(this.audio.style.display="none",d!==this.oldDrawIf&&this.audio.pause());this.oldDrawIf=d;this.updatePositionAndSize()};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h;a.Video=function(d,p){this.controls=!0;this.file="";this.oldDrawIf=0;a.Control.call(this,d,p);var c=this;h=c.evaluator;var l=c.evaluator.eval(c.expresion);
4==l[0].length?(c.w=l[0][2],c.h=l[0][3]):(c.w=null,c.h=null);var l=c.file,k=l.lastIndexOf(".");-1!=k&&(l=c.file.substring(0,k));c.video=document.createElement("video");c.autoplay&&c.video.setAttribute("autoplay","autoplay");c.loop&&c.video.setAttribute("loop","loop");c.controls&&c.video.setAttribute("controls","controls");c.video.setAttribute("poster",l+".png");c.w&&(c.video.setAttribute("width",c.w),c.video.setAttribute("height",c.h));c.video.setAttribute("style","position:absolute; overflow:hidden; left:"+
c.x+"px; top:"+c.y+"px; outline:none; background:rgba(0,0,0,0);");c.video.canPlayType("video/mp4")&&(k=document.createElement("source"),k.setAttribute("src",l+".mp4"),c.video.appendChild(k));c.video.canPlayType("video/ogg")&&(k=document.createElement("source"),k.setAttribute("src",l+".ogg"),k.setAttribute("type","video/ogg"),c.video.appendChild(k),k=document.createElement("source"),k.setAttribute("src",l+".ogv"),k.setAttribute("type","video/ogg"),c.video.appendChild(k));c.video.canPlayType("video/webm")&&
(k=document.createElement("source"),k.setAttribute("src",l+".webm"),k.setAttribute("type","video/webm"),c.video.appendChild(k));c.addControlContainer(c.video);c.evaluator.setFunction(c.id+".play",function(){try{c.video.play()}catch(a){}return 0});c.evaluator.setFunction(c.id+".pause",function(){try{c.video.pause()}catch(a){}return 0});c.evaluator.setFunction(c.id+".stop",function(){try{c.video.pause(),c.video.currentTime=0}catch(a){}return 0});c.evaluator.setFunction(c.id+".currentTime",function(a){try{c.video.currentTime=
parseFloat(a)}catch(d){}return 0});c.video.addEventListener("timeupdate",function(a){c.evaluator.setVariable(c.id+".currentTime",c.video.currentTime)})};a.extend(a.Video,a.Control);a.Video.prototype.init=function(){this.video.style.left=this.x+"px";this.video.style.top=this.y+"px";this.update()};var d;a.Video.prototype.update=function(){h=this.evaluator;(d=0<h.eval(this.drawif))?this.video.style.display="block":(this.video.style.display="none",d!==this.oldDrawIf&&this.video.pause());this.oldDrawIf=
d;this.updatePositionAndSize()};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d;a.TextArea=function(d,h){this.font="Monospaced,PLAIN,12";a.Control.call(this,d,h);this.region="interior";this.tabindex=++this.parent.tabindex;if(this.answer){this.answer.match("krypto_")&&(this.answer=(new a.Krypto).decode(this.answer.substring(7)));var c=this.parent.lessonParser.parseText(this.answer)}this.containerControl=document.createElement("div");this.textArea=document.createElement("div");
this.textAreaAnswer=document.createElement("div");this.showButton=document.createElement("div");this.activeCover=document.createElement("div");this.containerControl.appendChild(this.textArea);this.containerControl.appendChild(this.textAreaAnswer);this.containerControl.appendChild(this.showButton);this.containerControl.appendChild(this.activeCover);this.addControlContainer(this.containerControl);this.showAnswer=!1;this.text=void 0==this.text||"simpleText"==this.text.type?this.rawText||"":this.text.hasFormula?
this.rawText:this.text.toHTML();c&&"simpleText"!=c.type&&(this.answer=this.text.hasFormula?"":c.toHTML());this.evaluator.setVariable(this.id,this.text);this.drawButton();this.addEvents();this.init()};a.extend(a.TextArea,a.Control);a.TextArea.prototype.init=function(){d=this.answer?28:8;h=this.evaluator;var f;f=this.text.match(/<span/)?this.text:this.text.replace(/\\n/g,"<br/>");this.containerControl.setAttribute("class","DescartesTextAreaContainer");this.containerControl.setAttribute("style","width: "+
this.w+"px; height: "+this.h+"px; left: "+this.x+"px; top: "+this.y+"px; z-index: "+this.zIndex+";");this.containerControl.style.display=0<h.eval(this.drawif)?"block":"none";this.containerControl.setAttribute("spellcheck","false");this.textArea.setAttribute("class","DescartesTextAreaContainer");this.textArea.setAttribute("style","width: "+(this.w-8)+"px; height: "+(this.h-d)+"px; left: 4px; top: 4px; background-color: white; text-align: left; font: "+a.convertFont(this.font)+";");this.textArea.setAttribute("contenteditable",
"true");this.textArea.innerHTML="<span style='position: relative; top: 10px; left: 10px; white-space: nowrap;' >"+f+"</span>";this.textAreaAnswer.setAttribute("class","DescartesTextAreaContainer");this.textAreaAnswer.setAttribute("style","width: "+(this.w-8)+"px; height: "+(this.h-d)+"px; left: 4px; top: 4px; background-color: white; text-align: left; font: "+a.convertFont(this.font)+";");this.textAreaAnswer.style.display=this.showAnswer?"block":"none";this.textAreaAnswer.innerHTML="<span style='position: relative; top: 10px; left: 10px; white-space: nowrap;'>"+
this.answer+"</span>";this.showButton.setAttribute("style","width: 20px; height: 16px; position: absolute; bottom: 4px; right: 4px; cursor: pointer;");this.showButton.style.backgroundImage="url("+this.imageUnPush+")";this.showButton.style.display=this.answer?"block":"none";this.showButton.innerHTML="<span style='position: relative; top: 2px; text-align: center; font: 9px Arial'> S </span>";this.activeCover.setAttribute("style","position: absolute; width: "+this.w+"px; height: "+this.h+"px; left: "+
this.x+"px; top: "+this.y+"px;");this.update()};a.TextArea.prototype.drawButton=function(){var d=document.createElement("canvas");d.setAttribute("width",20);d.setAttribute("height",16);var h=d.getContext("2d");h.imageSmoothingEnabled=!1;this.canvas=d;this.ctx=h;this.createGradient(20,16);h.lineWidth=1;h.fillStyle="white";h.fillRect(0,0,20,16);h.fillStyle=this.linearGradient;h.fillRect(0,0,20,16);a.drawLine(h,19,0,19,16,"rgba(0,0,0,"+128/255+")");a.drawLine(h,0,0,0,16,"rgba(0,0,0,"+24/255+")");a.drawLine(h,
1,0,1,16,"rgba(0,0,0,"+8/255+")");this.imageUnPush=d.toDataURL();h.fillStyle="white";h.fillRect(0,0,20,16);h.fillStyle=this.linearGradient;h.fillRect(0,0,20,16);a.drawLine(h,0,0,0,14,"gray");a.drawLine(h,0,0,19,0,"gray");h.fillStyle="rgba(0, 0, 0,"+24/255+")";h.fillRect(0,0,this.w,this.h);this.imagePush=d.toDataURL()};a.TextArea.prototype.update=function(){h=this.evaluator;this.activeIfValue=0<h.eval(this.activeif);this.drawIfValue=0<h.eval(this.drawif);var a;a=this.text.match(/<span/)?this.rawText:
this.text;h.setVariable(this.id,a);this.activeCover.style.display=this.activeIfValue?"none":"block";this.containerControl.style.display=this.drawIfValue?"block":"none";this.updatePositionAndSize()};a.TextArea.prototype.addEvents=function(){function a(c){c.preventDefault();d.showButton.style.backgroundImage="url("+d.imageUnPush+")"}var d=this;this.showButton.addEventListener("mousedown",function(a){a.preventDefault();d.showAnswer=!d.showAnswer;d.textAreaAnswer.style.display=d.showAnswer?"block":"none";
d.showButton.childNodes[0].childNodes[0].textContent=d.showAnswer?"T":"S";d.showButton.style.backgroundImage="url("+d.imagePush+")"});this.showButton.addEventListener("mouseup",a);this.showButton.addEventListener("mouseout",a)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=2*Math.PI,d,f,p,c,l,k,b,u,g,r;a.GraphicControl=function(b,c){f=b.evaluator.parser;this.text=this.spaceID="";this.size=f.parse("4");this.font="Monospaced,PLAIN,12";this.image=new Image;this.image.onload=
function(){this.ready=1};this.imageSrc="";a.Control.call(this,b,c);this.touchId=null;this.font=a.convertFont(this.font);if(this.constraintExpr){this.constraint=f.parse(this.constraintExpr);"(expr)"==this.constraint.type&&(this.constraint=f.parse(this.constraintExpr.substring(1,this.constraintExpr.length-1)));if("compOperator"==this.constraint.type){var d=this.constraint.childs[0],e=this.constraint.childs[1];"identifier"!=d.type||"y"!=d.value||e.contains("y")?"identifier"!=d.type||"x"!=d.value||e.contains("x")?
this.newt=new a.R2Newton(this.evaluator,this.constraint):(this.constVar="y",this.noConstVar="x",this.evalConst=this.evalConstXoY,this.constraint=e):(this.constVar="x",this.noConstVar="y",this.evalConst=this.evalConstXoY,this.constraint=e)}else this.constraint=null;u=new a.R2(0,0)}this.container=this.getContainer();this.mouseCacher=document.createElement("div");this.mouseCacher.setAttribute("class","DescartesGraphicControl");this.mouseCacher.setAttribute("id",this.id);this.mouseCacher.setAttribute("dragged",
!0);this.mouseCacher.setAttribute("tabindex","-1");this.ctx=this.space.ctx;this.container.appendChild(this.mouseCacher);this.addEvents();this.xString=this.id+".x";this.yString=this.id+".y";this.activoString=this.id+".activo";this.activeString=this.id+".active";""!==this.space.id&&2!==b.version?(this.mxString=this.space.id+".mouse_x",this.myString=this.space.id+".mouse_y",this.mclickedString=this.space.id+".mouse_clicked",this.mclicizquierdoString=this.space.id+".clic_izquierdo"):(this.mxString="mouse_x",
this.myString="mouse_y",this.mclickedString="mouse_clicked",this.mclicizquierdoString="clic_izquierdo");this.init()};a.GraphicControl.prototype.init=function(){d=this.evaluator;g=a.hasTouchSupport;var b=d.eval(this.expresion);this.x=b[0][0];this.y=b[0][1];d.setVariable(this.xString,this.x);d.setVariable(this.yString,this.y);this.mouseCacher.setAttribute("style","cursor:pointer;background-color:rgba(255, 255, 255, 0);z-index:"+this.zIndex+";");""==this.imageSrc||this.imageSrc.toLowerCase().match(/vacio.gif$/)?
(this.width=2*d.eval(this.size),this.height=2*d.eval(this.size),this._w=g&&48>this.width?48:this.width,this._h=g&&48>this.height?48:this.height,this.mouseCacher.style.borderRadius=parseInt(Math.min(this._w,this._h)/2)+"px"):(this.image=this.parent.getImage(this.imageSrc),this.width=this.image.width,this.height=this.image.height,this._w=Math.max(this.width,32),this._h=Math.max(this.height,32));this.mouseCacher.style.width=this._w+"px";this.mouseCacher.style.height=this._h+"px";this.mouseCacher.style.left=
parseInt(this.space.getAbsoluteX(this.x)-this._w/2)+"px";this.mouseCacher.style.top=parseInt(this.space.getAbsoluteY(this.y)-this._h/2)+"px";d.setVariable(this.activoString,0);d.setVariable(this.activeString,0);this.setImage=!1;this.update()};a.GraphicControl.prototype.update=function(){d=this.evaluator;this.activeIfValue=0<d.eval(this.activeif);this.drawIfValue=0<d.eval(this.drawif);this.x=d.getVariable(this.xString);this.y=d.getVariable(this.yString);p=this.space.getAbsoluteX(this.x);c=this.space.getAbsoluteY(this.y);
this.mouseCacher.style.display=this.activeIfValue?"block":"none";this.mouseCacher.style.left=parseInt(p-this._w/2)+"px";this.mouseCacher.style.top=parseInt(c-this._h/2)+"px";this.constraint&&this.evalConst();this.draw()};a.GraphicControl.prototype.draw=function(){d=this.evaluator;this.drawIfValue&&(k=this.ctx,b=this.space.backgroundCtx,p=parseInt(this.space.getAbsoluteX(this.x))+.5,c=parseInt(this.space.getAbsoluteY(this.y))+.5,""!=this.text&&this.drawText(p,c),this.image.ready?(this.image.complete&&
!this.setImage&&k.drawImage(this.image,parseInt(p-this.image.width/2),parseInt(c-this.image.height/2)),this.trace&&(b.save(),b.translate(p,c),b.scale(parseInt(this.image.width/2),parseInt(this.image.height/2)),b.beginPath(),b.arc(0,0,1,0,h,!1),b.restore(),b.lineWidth=1,b.strokeStyle=this.trace.getColor(),b.stroke())):(k.beginPath(),k.arc(p,c,parseInt(this.width/2),0,h,!1),k.fillStyle=this.colorInt.getColor(),k.fill(),k.lineWidth=1,k.strokeStyle=this.color.getColor(),k.stroke(),this.active&&(k.beginPath(),
k.arc(p,c,parseInt(this.width/2)-2,0,h,!1),k.strokeStyle=this.colorInt.borderColor(),k.stroke()),this.trace&&(b.lineWidth=1,b.strokeStyle=this.trace.getColor(),b.beginPath(),b.arc(p,c,parseInt(this.width/2),0,h,!1),b.stroke())))};a.GraphicControl.prototype.evalConst=function(){u.set(this.x,this.y);l=this.newt.findZero(u,1/this.space.scale,!0);this.x=l.x;this.y=l.y;this.evaluator.setVariable(this.xString,this.x);this.evaluator.setVariable(this.yString,this.y)};a.GraphicControl.prototype.evalConstXoY=
function(){d=this.evaluator;r=d.getVariable(this.constVar);d.setVariable(this.constVar,this[this.constVar]);this[this.noConstVar]=d.eval(this.constraint);d.setVariable(this.xString,this.x);d.setVariable(this.yString,this.y);d.setVariable(this.constVar,r)};a.GraphicControl.prototype.drawText=function(a,b){k=this.ctx;d=this.evaluator;"simpleText"==this.text.type?(k.fillStyle=this.color.getColor(),k.font=this.font,k.textBaseline="alphabetic",k.fillText(this.text.toString(d.eval(this.decimals),this.fixed),
parseInt(a+1+this.width/2),parseInt(b-1-this.height/2))):(k.fillStyle=this.color.getColor(),k.strokeStyle=this.color.getColor(),k.textBaseline="alphabetic",this.text.draw(k,parseInt(a+1+this.width/2),parseInt(b-1-this.height/2),this.decimals,this.fixed,"start",!0,this.color.getColor()))};a.GraphicControl.prototype.getContainer=function(){for(var a=this.parent.spaces,b,c=0,e=a.length;c<e;c++)if(b=a[c],b.id==this.spaceID)return b.addCtr(this),this.zIndex=b.zIndex,this.space=b,b.graphicControlContainer;
a[0].addCtr(this);this.zIndex=a[0].zIndex;this.space=a[0];return a[0].graphicControlContainer};a.GraphicControl.prototype.deactivate=function(){this.active=!1;this.evaluator.setVariable(this.activoString,0);this.evaluator.setVariable(this.activeString,0);this.evaluator.setVariable(this.mclicizquierdoString,0)};a.GraphicControl.prototype.addEvents=function(){function b(d){document.body.focus();d.preventDefault();d.stopPropagation();e.touchId=null;e.evaluator.setVariable(e.mclickedString,1);e.evaluator.setVariable(e.mclicizquierdoString,
1);if(e.activeIfValue||e.active)e.click=!1,window.removeEventListener("touchmove",c,!1),window.removeEventListener("touchend",b,!1),window.removeEventListener("mouseup",b,!1),window.removeEventListener("mousemove",c,!1),g=a.getCursorPosition(d,e.container),e.posX=e.prePos.x-(e.posAnte.x-g.x),e.posY=e.prePos.y-(e.posAnte.y-g.y),e.evaluator.setVariable(e.xString,e.space.getRelativeX(e.posX)),e.evaluator.setVariable(e.yString,e.space.getRelativeY(e.posY)),e.evaluator.setVariable(e.mxString,e.space.getRelativeX(g.x)),
e.evaluator.setVariable(e.myString,e.space.getRelativeY(g.y)),e.parent.update(),e.mouseCacher.style.left=e.space.getAbsoluteX(e.x)-e._w/2+"px",e.mouseCacher.style.top=e.space.getAbsoluteY(e.y)-e._h/2+"px";e.parent.deactivateGraphiControls()}function c(b){b.preventDefault();b.touchId=e.touchId;e.evaluator.setVariable(e.mclickedString,0);e.evaluator.setVariable(e.mclicizquierdoString,0);g=a.getCursorPosition(b,e.container);e.posX=e.prePos.x-(e.posAnte.x-g.x);e.posY=e.prePos.y-(e.posAnte.y-g.y);e.evaluator.setVariable(e.xString,
e.space.getRelativeX(e.posX));e.evaluator.setVariable(e.yString,e.space.getRelativeY(e.posY));e.evaluator.setVariable(e.mxString,e.space.getRelativeX(g.x));e.evaluator.setVariable(e.myString,e.space.getRelativeY(g.y));10<Date.now()-d&&(e.parent.updateControls(),e.parent.update(),d=Date.now())}var d=0,e=this;this.active=this.over=this.click=!1;this.mouseCacher.oncontextmenu=function(){return!1};this.mouseCacher.addEventListener("touchstart",function(d){document.body.focus();d.preventDefault();e.activeIfValue&&
(e.parent.deactivateGraphiControls(),e.click=!0,e.active=!0,e.evaluator.setVariable(e.activoString,1),e.evaluator.setVariable(e.activeString,1),e.evaluator.setVariable(e.mclickedString,0),e.evaluator.setVariable(e.mclicizquierdoString,0),e.posAnte=a.getCursorPosition(d,e.container),e.prePos={x:e.space.getAbsoluteX(e.x),y:e.space.getAbsoluteY(e.y)},e.evaluator.setVariable(e.mxString,e.space.getRelativeX(e.posAnte.x)),e.evaluator.setVariable(e.myString,e.space.getRelativeY(e.posAnte.y)),e.parent.update(),
window.addEventListener("touchmove",c),window.addEventListener("touchend",b))});this.mouseCacher.addEventListener("mousedown",function(d){document.body.focus();d.preventDefault();e.whichBtn=a.whichBtn(d);"L"==e.whichBtn&&e.activeIfValue&&e.over&&(e.parent.deactivateGraphiControls(),e.click=!0,e.active=!0,e.evaluator.setVariable(e.activoString,1),e.evaluator.setVariable(e.activeString,1),e.evaluator.setVariable(e.mclickedString,0),e.evaluator.setVariable(e.mclicizquierdoString,0),e.posAnte=a.getCursorPosition(d,
e.container),e.prePos={x:e.space.getAbsoluteX(e.x),y:e.space.getAbsoluteY(e.y)},e.evaluator.setVariable(e.mxString,e.space.getRelativeX(e.posAnte.x)),e.evaluator.setVariable(e.myString,e.space.getRelativeY(e.posAnte.y)),e.parent.update(),window.addEventListener("mouseup",b),window.addEventListener("mousemove",c))});this.mouseCacher.addEventListener("mouseover",function(a){e.over=!0});this.mouseCacher.addEventListener("mouseout",function(a){e.over=!1;e.click=!1});var g};return a}(descartesJS||{}),
descartesJS=function(a,h){var d,f,p,c,l,k,b,u,g,r;if(a.loadLib)return a;var q,t,v,e,n,w,m,x,A=/[\w-//]*(\.png|\.jpg|\.gif|\.svg)/gi,C,D,E,H,F,J,B,z,I,G,M,y,L,K,N,T,O,U,R,P,Q;a.LessonParser=function(b){this.parent=b;this.parser=b.evaluator.parser;this.RTFparser=new a.RTFParser(b.evaluator)};a.LessonParser.prototype.parseButtonsConfig=function(a){var b={rowsNorth:0,rowsSouth:0,widthEast:125,widthWest:125,height:23};a=this.split(a);for(var c=0,d=a.length;c<d;c++)switch(v=a[c][0],e=a[c][1],t=h[v],t){case "rowsNorth":case "rowsSouth":case "widthEast":case "widthWest":case "height":b[t]=
parseInt(e);break;case "about":case "config":case "init":case "clear":b[t]="true"===h[e];break;default:console.log("Propiedad de botones no identificada: <"+v+"> valor: <"+e+">")}return b};a.LessonParser.prototype.parseSpace=function(b){n={};b=this.split(b);for(var c=0,d=b.length;c<d;c++)switch(v=b[c][0],e=b[c][1],t=h[v],t){case "type":case "id":case "cID":case "file":n[t]=e;break;case "fixed":case "numbers":case "sensitive_to_mouse_movements":case "R3":case "split":n[t]="true"===h[e];break;case "bg_display":case "render":n[t]=
h[e];break;case "net":case "net10":case "axes":case "text":n[t]=""!=e?"false"===h[e]?"":new a.Color(e,this.parent.evaluator):"";break;case "x_axis":case "y_axis":n[t]="false"===h[e]?"":e;break;case "O.x":n.OxExpr=e;break;case "O.y":n.OyExpr=e;break;case "image":n.imageSrc=e;break;case "x":q=e;"%"===q[q.length-1]?(n.xPercentExpr=q.trim(),q=(this.parent.container.width*parseFloat(q)/100).toString()):q=e;n.xExpr=this.parser.parse(q);break;case "y":q=e;"%"===q[q.length-1]?(n.yPercentExpr=q.trim(),q=(this.parent.container.height*
parseFloat(q)/100).toString()):q=e;n.yExpr=this.parser.parse(q);break;case "width":q=e.trim();"%"===q[q.length-1]?(n.wExpr=q,q=this.parent.container.width*parseFloat(q)/100):(q=parseFloat(e),q!=e&&(q=this.parent.container.width,n._w_=e.trim()));n.w=q;break;case "height":q=e.trim();"%"===q[q.length-1]?(n.hExpr=q,q=this.parent.container.height*parseFloat(q)/100):(q=parseFloat(e),q!=e&&(q=this.parent.container.height,n._h_=e.trim()));n.h=q;break;case "drawif":""!=e&&(n.drawif=this.parser.parse(e));break;
case "scale":q=parseFloat(e);isNaN(q)&&(q=48);n.scale=q;break;case "background":n.background=new a.Color(e,this.parent.evaluator);break;default:console.log("Propiedad del espacio no identificada: <"+v+"> valor: <"+e+">")}switch(n.type){case "R2":return new a.Space2D(this.parent,n);case "R3":return new a.Space3D(this.parent,n);case "AP":return new a.SpaceAP(this.parent,n);case "HTMLIFrame":return new a.SpaceHTML_IFrame(this.parent,n);default:return new a.Space2D(this.parent,n)}};a.LessonParser.prototype.parseControl=
function(b){w={type:"numeric"};b=this.split(b);for(var c=0,d=b.length;c<d;c++)switch(v=b[c][0],e=b[c][1],t=h[v],t){case "id":case "name":case "parameter":case "tooltip":case "tooltipFont":case "Explanation":case "ExplanationFont":case "cID":case "options":case "font":case "file":case "answer":w[t]=e;break;case "gui":case "region":case "action":case "msg_pos":case "poster":w[t]=h[e];break;case "fixed":case "visible":case "discrete":case "onlyText":case "evaluate":case "autoplay":case "loop":case "controls":w[t]=
"true"===h[e];break;case "color":case "colorInt":case "trace":w[t]=new a.Color(e,this.parent.evaluator);break;case "font_size":case "drawif":case "activeif":case "decimals":case "min":case "max":case "size":""!=e&&(w[t]=this.parser.parse(e));break;case "constraint":w.constraintExpr=e;break;case "image":w.imageSrc=e;break;case "space":w.spaceID=e;break;case "type":w.type=h[e.trim()];break;case "expresion":w.expresion=this.parser.parse(e.replace(")(",","));break;case "bold":"false"!=h[e]&&(w.bold="bold");
break;case "italics":"false"!=h[e]&&(w.italics="italic");break;case "underlined":"false"!=h[e]&&(w.underlined=!0);break;case "value":var g=e.replace(/&squot;/g,"'");g.match(/^\|/)&&(g="'"+g.substring(1),g.match(/\|$/)&&(g=g.substring(0,g.length-1)+"'"));w.valueExpr=this.parser.parse(g);w.valueExprString=g;break;case "incr":0!=e&&(w.incr=this.parser.parse(e));break;case "exponentialif":w.exponentialif=parseFloat(e);break;case "text":w.rawText=e;for(var g=this.parseText(e),k=0,f=g.length;k<f;k++)g[k]=
this.parser.parse(g[k],!1);w.text=g;break;default:k=v.indexOf(".");g=h[v.substring(0,k)];k=h[v.substring(k+1)];if("parameter"===g&&"font"===k){w.parameterFont=e;break}else if("Explanation"===g&&"font"===k){w.ExplanationFont=e;break}else if("tooltip"===g&&"font"===k){w.tooltipFont=e;break}console.log("Propiedad de control no identificada: <"+v+"> valor: <"+e+">")}if("numeric"===w.type)switch(w.gui){case "spinner":return new a.Spinner(this.parent,w);case "button":return new a.Button(this.parent,w);
case "textfield":return new a.TextField(this.parent,w);case "menu":return new a.Menu(this.parent,w);case "scrollbar":return new a.Scrollbar(this.parent,w);default:return new a.Spinner(this.parent,w)}else{if("video"===w.type)return new a.Video(this.parent,w);if("audio"===w.type)return new a.Audio(this.parent,w);if("graphic"===w.type)return new a.GraphicControl(this.parent,w);if("text"===w.type)return new a.TextArea(this.parent,w)}};a.LessonParser.prototype.parseGraphic=function(b,c,d,g){m={rotateExp:g,
parameter:"t"};b=this.split(b);g=0;for(var k=b.length;g<k;g++)if(v=b[g][0],e=b[g][1],t=h[v],""!=e)switch(t){case "type":case "align":m[t]=h[e];break;case "background":case "abs_coord":case "visible":case "editable":case "fixed":case "vectors":m[t]="true"===h[e];break;case "color":case "fill":case "fillP":case "fillM":case "arrow":case "trace":m[t]="false"===h[e]?"":new a.Color(e,this.parent.evaluator);break;case "family":case "parameter":case "info":case "font":case "name":case "init":case "end":m[t]=
e;break;case "drawif":case "width":case "decimals":case "size":case "spear":case "center":case "radius":case "opacity":case "inirot":case "inipos":case "range":""!=e&&(m[t]=this.parser.parse(e));break;case "space":m.spaceID=e;break;case "expresion":""!=e&&("macro"!=m.type?(m.expresion=this.parser.parse(e),m.expresionString=e):m.expresion=e);break;case "text":m.text=this.parseText(e);break;case "file":var f=e.replace(/&squot;/g,"'");"["===f.charAt(0)&&"]"===f.charAt(f.length-1)&&(f=f.substring(1,f.length-
1));f.match(A)&&(f="'"+f+"'");m.file=this.parser.parse(f);break;case "border":""!=e&&"false"!=h[e]&&(m.border=new a.Color(e,this.parent.evaluator));break;default:if(void 0!=m.family&&v.substring(0,m.family.length+1)===m.family+"."){switch(h[v.substring(m.family.length+1)]){case "interval":""!=e&&(m.family_interval=this.parser.parse(e));break;case "steps":""!=e&&(m.family_steps=this.parser.parse(e))}break}if(void 0!=m.parameter&&v.match(m.parameter+".")){m.parameter!==v.substring(0,v.indexOf(m.parameter)+
m.parameter.length)&&(m.parameter=v.substring(0,v.indexOf(m.parameter)+m.parameter.length));switch(h[v.substring(m.parameter.length+1)]){case "interval":""!=e&&(m.parameter_interval=this.parser.parse(e));break;case "steps":""!=e&&(m.parameter_steps=this.parser.parse(e))}break}console.log("Propiedad del grafico no identificada: <"+v+"> valor: <"+e+">")}c&&(m.abs_coord=c);d&&(m.background=d);switch(m.type){case "text":return new a.Text(this.parent,m);case "image":return new a.Image(this.parent,m);case "point":return new a.Point(this.parent,
m);case "polygon":return new a.Polygon(this.parent,m);case "arc":return new a.Arc(this.parent,m);case "segment":return new a.Segment(this.parent,m);case "arrow":return new a.Arrow(this.parent,m);case "macro":return new a.Macro(this.parent,m);case "curve":return new a.Curve(this.parent,m);case "equation":return new a.Equation(this.parent,m);case "sequence":return new a.Sequence(this.parent,m);case "fill":return new a.Fill(this.parent,m)}};a.LessonParser.prototype.parse3DGraphic=function(b,c,d,g){m=
{rotateExp:g,parameter:"t"};b=this.split(b);c=0;for(d=b.length;c<d;c++)switch(v=b[c][0],e=b[c][1],t=h[v],t){case "type":case "model":m[t]=h[e];break;case "background":case "fixed":case "edges":m[t]="true"===h[e];break;case "color":case "backcolor":m[t]=new a.Color(e,this.parent.evaluator);break;case "type":case "model":m[t]=h[e];break;case "background":case "fixed":case "edges":case "split":m[t]="true"===h[e];break;case "color":case "backcolor":m[t]=new a.Color(e,this.parent.evaluator);break;case "drawif":case "width":case "length":case "height":case "decimals":case "Nu":case "Nv":case "inipos":case "endpos":""!=
e&&(m[t]=this.parser.parse(e));break;case "family":case "parameter":case "font":case "name":case "inirot":case "endrot":m[t]=e;break;case "space":m.spaceID=e;break;case "expresion":"macro"!=m.type&&"curve"!=m.type&&"surface"!=m.type?(m.expresion=this.parser.parse(e),m.expresionString=e):m.expresion=e.replace(/\\n/g," ").replace(/;/g," ");break;case "text":g=this.parseText(e);for(var k=0,f=g.length;k<f;k++)g[k]=this.parser.parse(g[k],!1);m.text=g;break;case "file":g=e.replace(/&squot;/g,"'");"["===
g.charAt(0)&&"]"===g.charAt(g.length-1)&&(g=g.substring(1,g.length-1));g.match(/./)&&(g="'"+g+"'");m.file=this.parser.parse(g);break;case "drawif":case "width":case "length":case "decimals":case "Nu":case "Nv":case "inirot":case "endrot":case "inipos":case "endpos":""!=e&&(m[t]=this.parser.parse(e));break;case "family":case "parameter":case "font":case "name":m[t]=e;break;case "space":m.spaceID=e;break;case "expresion":"macro"!=m.type&&"curve"!=m.type&&"surface"!=m.type?(m.expresion=this.parser.parse(e),
m.expresionString=e):m.expresion=e;break;case "text":g=this.parseText(e);k=0;for(f=g.length;k<f;k++)g[k]=this.parser.parse(g[k],!1);m.text=g;break;case "file":g=e.replace(/&squot;/g,"'");"["===g.charAt(0)&&"]"===g.charAt(g.length-1)&&(g=g.substring(1,g.length-1));g.match(/./)&&(g="'"+g+"'");m.file=this.parser.parse(g);break;default:if(void 0!==m.family&&v.substring(0,m.family.length+1)===m.family+"."){"interval"===h[v.substring(m.family.length+1)]?""!=e&&(m.family_interval=this.parser.parse(e)):""!=
e&&(m.family_steps=this.parser.parse(e));break}console.log("Propiedad del grafico 3D no identificada: <"+v+"> valor: <"+e+">")}switch(m.type){case "point":return new a.Point3D(this.parent,m);case "segment":return new a.Segment3D(this.parent,m);case "polygon":return new a.Polygon3D(this.parent,m);case "curve":return new a.Curve3D(this.parent,m);case "triangle":return new a.Triangle3D(this.parent,m);case "face":return new a.Face3D(this.parent,m);case "polireg":return new a.Polireg3D(this.parent,m);
case "surface":return new a.Surface3D(this.parent,m);case "text":return new a.Text3D(this.parent,m);case "cube":case "box":case "tetrahedron":case "octahedron":case "sphere":case "dodecahedron":case "icosahedron":case "ellipsoid":case "cone":case "cylinder":case "mesh":return new a.OtherGeometry(this.parent,m);case "macro":return new a.Macro3D(this.parent,m)}};a.LessonParser.prototype.parseAuxiliar=function(b){x={};b=this.split(b);for(var c=0,d=b.length;c<d;c++)b[c][1]=b[c][1].replace(/&squot;/g,
"'");c=0;for(d=b.length;c<d;c++)switch(v=b[c][0],e=b[c][1],t=h[v],t){case "id":case "file":case "init":case "doExpr":case "whileExpr":case "range":case "local":case "expresion":case "condition":case "parameter":x[t]=e.replace(/&squot;/g,"'");break;case "editable":case "constant":case "array":case "matrix":case "algorithm":case "event":case "sequence":x[t]="true"===h[e];break;case "size":case "rows":case "columns":x[t]=this.parser.parse(e);break;case "evaluate":case "execution":case "msg_pos":case "action":x[t]=
h[e];break;case "type":x[t]=h[e];break;case "x":case "y":case "width":case "height":x[t]=this.parser.parse(e);break;default:var g=v.indexOf("."),k=h[v.substring(0,g)],g=h[v.substring(g+1)];if("parameter"===k&&"font"===g){x.parameterFont=e;break}console.log("Propiedad del auxiliar no identificada: <"+v+"> valor: <"+e+">")}x.sequence?new a.Function(this.parent,x):x.constant?(b=new a.Constant(this.parent,x),x.evaluate&&"always"===x.evaluate&&this.parent.auxiliaries.push(b)):x.algorithm&&x.evaluate?(b=
new a.Algorithm(this.parent,x),this.parent.auxiliaries.push(b)):x.array&&!x.matrix&&")"!=x.id.charAt(x.id.length-1)?(b=new a.Vector(this.parent,x),x.evaluate&&"always"===x.evaluate&&this.parent.auxiliaries.push(b)):x.matrix&&")"!=x.id.charAt(x.id.length-1)?(b=new a.Matrix(this.parent,x),x.evaluate&&"always"===x.evaluate&&this.parent.auxiliaries.push(b)):x.event&&")"!=x.id.charAt(x.id.length-1)?this.parent.events.push(new a.Event(this.parent,x)):")"===x.id.charAt(x.id.length-1)?new a.Function(this.parent,
x):new a.Variable(this.parent,x)};a.LessonParser.prototype.parseAction=function(b){C=b.action;D=b.parent;E=b.parameter;if(C)switch(C){case "message":return new a.Message(D,E);case "calculate":return new a.Calculate(D,E);case "openURL":return new a.OpenURL(D,E);case "openScene":return new a.OpenScene(D,E);case "about":return new a.About(D,E);case "config":return new a.Config(D,E);case "init":return new a.Init(D,E);case "clear":return new a.Clear(D,E);case "animate":return new a.Animate(D,E);case "initAnimation":return new a.InitAnimation(D,
E);case "playAudio":return new a.PlayAudio(D,E);default:console.log("Accion no soportada: <"+C+">")}else return{execute:function(){}}};a.LessonParser.prototype.parseAnimation=function(b){var c={};b=this.split(b);for(var d=0,g=b.length;d<g;d++)switch(v=b[d][0],e=b[d][1],t=h[v],t){case "id":case "delay":case "init":case "doExpr":case "whileExpr":c[t]=e.replace(/&squot;/g,"'");break;case "controls":case "auto":case "loop":case "algorithm":case "evaluate":c[t]="true"===h[e];break;default:console.log("Propiedad de la animacion no identificada: <"+
v+">  <"+e+">")}return new a.Animation(this.parent,c)};a.LessonParser.prototype.parsePleca=function(q,n){q=this.split(q);f=d="";p=0;c="#536891";l="white";k="left";b="";u="SansSerif,BOLD,20";g="SansSerif,PLAIN,18";r=void 0;for(var h=0,m=q.length;h<m;h++)switch(v=q[h][0],e=q[h][1],v){case "title":d=e;break;case "subtitle":f=e;break;case "subtitlines":p=e;break;case "bgcolor":""!=e&&(c=(new a.Color(e,this.parent.evaluator)).getColor());break;case "fgcolor":""!=e&&(l=(new a.Color(e,this.parent.evaluator)).getColor());
break;case "align":""!=e&&(k=e);break;case "titleimage":b=e;break;case "titlefont":u=""!=e?a.convertFont(e):a.convertFont(u);break;case "subtitlefont":g=""!=e?a.convertFont(e):a.convertFont(g);break;default:console.log("Propiedad de la pleca no identificada: <"+v+">  <"+e+">")}if(""===d&&""===f)return document.createElement("div");G=g.substring(0,g.indexOf("px"));G=G.substring(G.lastIndexOf(" "));""!=b&&(M=this.parent.getImage(b),y=M.height);r=document.createElement("div");r.setAttribute("id","descartesPleca");
y?(r.setAttribute("style","position:absolute;left:0;top:0;text-align:"+k+";width:"+(n-30)+"px;height:"+(y-16)+"px;background:"+c+";color:"+l+";padding-top:8px;padding-bottom:8px;padding-left:15px;padding-right:15px;margin:0;overflow:hidden;z-index:100;"),M.setAttribute("style","position: absolute;left:0;top:0;z-index:-1;width:100%;height:100%;"),r.appendChild(M)):r.setAttribute("style","position:absolute;left:0;top:0;text-align:"+k+";width:"+(n-30)+"px;background:"+c+";color:"+l+";padding-top:12px;padding-bottom:12px;padding-left:15px;padding-right:15px;margin:0;z-index:100;");
L=document.createElement("div");L.setAttribute("style","padding:0;margin:0;font:"+u+";overflow:hidden;white-space:nowrap;");L.innerHTML=d;K=document.createElement("div");if(1===parseInt(p)){R=0;N=document.createElement("div");N.innerHTML=f;document.body.appendChild(N);O=G;do O-=R,N.setAttribute("style","padding:0;margin:0;font:"+g+";font-size:"+O+"px;width:"+(n-30)+"px;line-height:"+O+"px;"),T=N.offsetHeight,U=T/O,R=1;while(1<U&&8<O);document.body.removeChild(N);K.setAttribute("style","padding:0;margin:0;font:"+
g+";font-size:"+O+"px;line-height: 110%;overflow:hidden;white-space:nowrap;")}else K.setAttribute("style","padding:0;margin:0;font:"+g+";line-height:110%;");K.innerHTML=f;r.appendChild(L);r.appendChild(K);r.imageHeight=y;return r};a.LessonParser.prototype.split=function(a){if("string"!=typeof a)return[];a=(a||"").replace(/\\'/g,"\u2019");H=[];J=F=0;B=!1;z=0;for(I=!1;F<a.length;)" "!==a.charAt(F)||B||F++," "===a.charAt(F)||B||(B=!0,z=F),"="!==a.charAt(F)||"'"!==a.charAt(F+1)||I||(I=!0,H[J]=[a.substring(z,
F)],z=F+2,F+=2),I&&"'"===a.charAt(F)&&(B=I=!1,H[J].push(a.substring(z,F)),J++),"="!==a.charAt(F)||"'"===a.charAt(F+1)||I||(H[J]=[a.substring(z,F)],z=F+1,F++,P=a.substring(F).indexOf("="),-1===P?Q=P=a.length:(P+=F,Q=a.substring(F,P).lastIndexOf(" "),Q=-1===Q?a.length:Q+F),H[J].push(a.substring(z,Q)),J++,B=!1,F=Q),F++;return H};a.LessonParser.prototype.parseText=function(b){b=b||"";return b.match(/^\{\\rtf1/)?this.RTFparser.parse(b.substring(10)):new a.SimpleText(this.parent,b)};return a}(descartesJS||
{},babel),descartesJS=function(a){function h(a,b){v=[];v.type="matrix";v.rows=a;v.cols=b;var c;n=0;for(w=b;n<w;n++){c=[];e=0;for(m=a;e<m;e++)c.push(0);v[n]=c}return v}function d(a,b){q=a.rows;t=a.cols;v=h(q,t);var c;for(n=0;n<q;n++)for(e=0;e<t;e++){for(w=c=0;w<t;w++)c+=a[w][n]*b[e][w];v[e][n]=c}return v}function f(a,b,c){for(var d=h(c.length-1,c.length-1),e=0,g=d.length;e<g;e++)for(var k=0;k<g;k++)d[e][k]=e<a?k<b?c[e][k]:c[e][k+1]:e<b?c[e+1][k]:c[e+1][k+1];return d}function p(a){if(1<a.cols){for(var b=
0,c=1,d=0,e=a.cols;d<e;d++)b+=c*a[0][d]*p(f(0,d,a)),c=-c;return b}return a[0][0]}if(a.loadLib)return a;var c,l={},k=Math.floor,b,u,g,r;a.fullDecimals=!1;a.Node=function(a,b){this.sep="";this.type=a;this.value=b;this.parent=null;this.childs=[]};a.Node.prototype.getRoot=function(){return null===this.parent?this:this.parent.getRoot()};a.Node.prototype.addChild=function(a){a.parent=this;this.childs.push(a)};a.Node.prototype.replaceLastChild=function(a){b=this.childs.length-1;lastChild=this.childs[b];
lastChild.parent=null;this.childs[b]=a;a.parent=this;return a};a.Node.prototype.contains=function(a){if(this.value===a)return!0;for(var b=0,c=this.childs.length;b<c;b++)if(this.childs[b].contains(a))return!0;return!1};a.Node.prototype.equalToMinus=function(){return"compOperator"===this.type?(this.type="operator",this.value="-",g=new a.Node("compOperator","=="),r=new a.Node("number","0"),g.addChild(this),g.addChild(r),u=this.getRoot(),u.setAllEvalFun(),u):this};a.Node.prototype.setAllEvalFun=function(){this.setEvalFun();
for(var a=0,b=this.childs.length;a<b;a++)this.childs[a].setAllEvalFun()};a.Node.prototype.setEvalFun=function(){if("number"===this.type)this.evaluate=function(a){return parseFloat(this.value)};else if("string"===this.type)this.evaluate=function(a){return this.value};else if("identifier"===this.type&&0===this.childs.length)if("rnd"==this.value)this.evaluate=function(a){return Math.random()};else{var b;this.evaluate=function(a,c){b=a.variables[this.value];if("object"===typeof b&&void 0==b.length)return b.evaluate(a);
void 0==b&&(c||a.matrices[this.value]?b=a.matrices[this.value]:a.vectors[this.value]&&(b=a.vectors[this.value]));return void 0!==b?b:0}}else if("identifier"===this.type&&"square_bracket"===this.childs[0].type&&1===this.childs[0].childs.length){var g,r;this.evaluate=function(a){g=this.childs[0].childs[0].evaluate(a);try{return r=a.vectors[this.value][0>g?0:k(g)],void 0!==r?r:0}catch(b){return 0}}}else if("identifier"===this.type&&"square_bracket"===this.childs[0].type&&1<this.childs[0].childs.length){var m,
u;this.evaluate=function(a){m=this.childs[0].childs[0].evaluate(a);u=this.childs[0].childs[1].evaluate(a);try{return r=a.matrices[this.value][0>m?0:k(m)][0>u?0:k(u)],void 0!==r?r:0}catch(b){return 0}}}else if("identifier"===this.type&&"parentheses"===this.childs[0].type){var w,F,J;this.evaluate=function(a){w=[];for(var b=0,d=this.childs[0].childs.length;b<d;b++)w[b]=this.childs[0].childs[b].evaluate(a);if("_Eval_"===this.value){c=0<w.length?w[0]:0;if("number"==typeof c)return"NaN";c.match(",")&&parseFloat(c.replace(",",
"."))==c.replace(",",".")&&(c="'"+c+"'");void 0==l[c]&&(F=c.match(/:=/g)?!0:!1,l[c]=a.parser.parse(c,F));J=a.eval(l[c]);return void 0!=J?J:NaN}return a.functions[this.value].apply(a,w)}}else if("operator"===this.type)"+"===this.value?this.evaluate=function(b){var c=this.childs[0].evaluate(b,!0);b=this.childs[1].evaluate(b,!0);if("matrix"!==c.type||"matrix"!==b.type)return"number"==typeof c&&"string"==typeof b?c=a.removeNeedlessDecimals(c.toString()):"string"==typeof c&&"number"==typeof b&&(b=a.removeNeedlessDecimals(b.toString())),
c+b;q=c.rows;t=c.cols;v=h(q,t);for(n=0;n<q;n++)for(e=0;e<t;e++)v[e][n]=c[e][n]+b[e][n];return v}:"-"===this.value?this.evaluate=function(a){var b=this.childs[0].evaluate(a,!0);a=this.childs[1].evaluate(a,!0);if("matrix"!==b.type||"matrix"!==a.type)return b-a;q=b.rows;t=b.cols;v=h(q,t);for(n=0;n<q;n++)for(e=0;e<t;e++)v[e][n]=b[e][n]-a[e][n];return v}:"*"===this.value?this.evaluate=function(a){var b=this.childs[0].evaluate(a,!0);a=this.childs[1].evaluate(a,!0);return"matrix"!==b.type||"matrix"!==a.type?
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this.type)this.evaluate=function(a,b){return this.childs[0].evaluate(a,b)};else if("(expr)"===this.type||"[expr]"===this.type)this.evaluate=function(a){var b=this.childs.length,c=[],d;if(1===b&&1===this.childs[0].childs.length&&"(expr)"===this.type)c=this.childs[0].childs[0].evaluate(a);else for(var e=0;e<b;e++){d=[];for(var g=0,k=this.childs[e].childs.length;g<k;g++)d.push(this.childs[e].childs[g].evaluate(a));c[e]=d}return c};else if("asign"===this.type){var B,z,I,G,M,y;this.evaluate=function(a){B=
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a.variables[B.value]=y:0}}};var q,t,v,e,n,w,m;a.Node.prototype.toString=function(){var a="tipo: "+this.type+", valor: "+this.value+"\n";this.sep="   "+(this.parent?this.parent.sep:"");for(var b=0,c=this.childs.length;b<c;b++)a+=this.sep+this.childs[b].toString();return a};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l,k,b,u,g=/^\s+/,r=/^[a-zA-Z_\u00C0-\u021B\u0391-\u03C9]+[a-zA-Z_0-9\u00C0-\u021B\u0391-\u03C9]*([.]*[0-9a-zA-Z_\u00C0-\u021B\u0391-\u03C9]+[0-9]*)*/,
q=/^[0-9]+[.][0-9]+|^[.][0-9]+|^[0-9]+/,t=/^==|^!=|^<=|^<|^>=|^>|^#/,v=/^\!|^\~|^\&\&|^\&|^\|\||^\|/,e=/^=|^:=/,n=/^[\?\:]/,w=/^[\+\-\*\/\%\^\u2212\u00b7\u00D7\u00F7]/,m=/^\[|^\]/,x=/^\(|^\)/,A=/^,/,C=/^;/,D=/\|/g,E=/\|\*/g,H=/\*\|/g;a.Tokenizer=function(){};a.Tokenizer.prototype.tokenize=function(a){function z(a,c,e){d.push({type:a,value:c});l=l.slice(e);p+=e;b++;u=a}if(h=a){a=a.replace(/\\u(\S+) /g,function(a,b){return String.fromCharCode(parseInt(b,16))});a=a.replace(/\&sup(.+);/g,"^ $1 ");a=a.replace(/&squot;/g,
"'");a.match(/\=\|\*/g)&&(a=a.replace(E,"'").replace(H,"'"));a.match(/\=\|/g)&&(a=a.replace(D,"'"));var I=a.trim();"|"==I.charAt(0)&&"|"==I.charAt(I.length-1)&&(a=I.replace(D,"'"))}d=[];f=!1;p=0;l=a;b=0;for(u="";a&&p<a.length;)if(f=p,"'"==l[0]){for(k=1;"'"!=l[k];)if(k<l.length)k++;else{console.log(">Error, unknown symbol: ["+l+"], in the string <<"+h+">>");return}c=l.substring(1,k);z("string",c,c.length+2)}else if(c=l.match(g))l=l.slice(c[0].length),p+=c[0].length,b++;else if(c=l.match(w))c[0]=c[0].replace(/\u00F7/g,
"/").replace(/\u2212/g,"-").replace(/\u00b7/g,"*").replace(/\u00D7/g,"*"),z("operator",c[0],c[0].length);else if(c=l.match(r))"number"===u&&d.push({type:"operator",value:"*"}),z("identifier",c[0],c[0].length);else if(c=l.match(q))z("number",c[0],c[0].length);else if(c=l.match(t))I=c[0],"#"==I&&(I="!="),z("compOperator",I,c[0].length);else if(c=l.match(v))I=c[0],"||"==I?I="|":"&&"==I?I="&":"~"==I&&(I="!"),z("boolOperator",I,c[0].length);else if((c=l.match(e))&&!l.match(/^==/))z("asign",c[0],c[0].length);
else if(c=l.match(n))z("conditional",c[0],c[0].length);else if(c=l.match(m))z("square_bracket",c[0],c[0].length);else if(c=l.match(x))"("==c&&"number"===u&&d.push({type:"operator",value:"*"}),z("parentheses",c[0],c[0].length);else if(c=l.match(A))z("separator",c[0],c[0].length);else if(178===l.charCodeAt(0))d.push({type:"operator",value:"^"}),z("number",2,1);else if(179===l.charCodeAt(0))d.push({type:"operator",value:"^"}),z("number",3,1);else if(c=l.match(C))z("final_of_expresion",c[0],c[0].length);
else if(f==p){console.log("Error, simbolo no conocido: ["+l+"], en la cadena <<"+h+">>");return}return d};var F,J=/rnd|pi|e|Infinity|-Infinity|sqr|sqrt|ra\u00edz|exp|log|log10|abs|ent|sgn|ind|sin|sen|cos|tan|cot|sec|csc|sinh|senh|cosh|tanh|coth|sech|csch|asin|asen|acos|atan|min|max/;a.Tokenizer.prototype.flatTokens=function(a,b){a=a||[];b=b||"";F="";for(var c=0,d=a.length;c<d;c++)F="string"==a[c].type?F+"&squot;"+a[c].value+"&squot;":"identifier"!=a[c].type||a[c].value.match(J)?F+a[c].value:F+b+a[c].value;
return F};return a}(descartesJS||{}),descartesJS=function(a){function h(a){switch(a){case "=":return 1;case ":=":return 1;case "(":return 2;case "[":return 2;case "?":return 2;case ":":return 3;case "?:":return 3;case "|":return 6;case "&":return 7;case "<":return 5;case "<=":return 5;case ">":return 5;case ">=":return 5;case "==":return 5;case "!=":return 5;case "+":return 6;case "-":return 6;case "/":return 7;case "*":return 7;case "sign-":return 7;case "sign+":return 7;case "!":return 8;case "%":return 8;
case "^":return 9;default:return 9}}function d(a){return isNaN(parseFloat(a))?a.replace(/^\s|\s$/g,"").replace(/^'|'$/g,""):parseFloat(a)==a?parseFloat(a):a.replace(/^\s|\s$/g,"").replace(/^'|'$/g,"")}if(a.loadLib)return a;a.Parser=function(b){this.evaluator=b;this.tokenizer=new a.Tokenizer;this.vectors={};this.matrices={};this.variables={};this.functions={};this.definitions={};this.registerDefaultValues();this.registerExternalValues&&this.registerExternalValues()};a.Parser.prototype.setDefinition=
function(a,b){this.definitions[a]=b};a.Parser.prototype.getDefinition=function(a){return this.definitions[a]};a.Parser.prototype.setVariable=function(a,b){this.variables[a]=b};a.Parser.prototype.getVariable=function(a,b){b&&(this.variables[a]=void 0!==this.variables[a]?this.variables[a]:void 0);return this.variables[a]};a.Parser.prototype.setVector=function(a,b,c){this.vectors[a][b]=c};a.Parser.prototype.getVector=function(a){this.vectors.hasOwnProperty(a)||(this.vectors[a]=[0,0,0]);return this.vectors[a]};
a.Parser.prototype.setMatrix=function(a,b,c,d){this.matrices[a][b][c]=d};a.Parser.prototype.getMatrix=function(a){this.matrices.hasOwnProperty(a)||(this.matrices[a]=[[0,0,0],[0,0,0],[0,0,0]]);return this.matrices[a]};a.Parser.prototype.setFunction=function(a,b){this.functions[a]=b};a.Parser.prototype.getFunction=function(a){this.functions.hasOwnProperty(a)||(this.functions[a]=function(){return 0});return this.functions[a]};var f,p,c,l,k,b,u,g,r,q,t,v;a.Parser.prototype.parse=function(d,n){(c=this.tokenizer.tokenize(d))||
(c=[]);l=null;n=!n||!1;f=g=u=b=0;for(p=c.length;f<p;f++){r=c[f];q=r.value;t=r.type;if("identifier"===t)if(f+1<p&&"parentheses"===c[f+1].type&&"("===c[f+1].value)this.getFunction(q);else if(f+1<p&&"square_bracket"===c[f+1].type&&"["===c[f+1].value)c[f+3]&&"square_bracket"===c[f+3].type&&"]"===c[f+3].value?this.getVector(q):this.getMatrix(q);else{var w=q.match(/(\w*)\.mouse_x|(\w*)\.mouse_y|(\w*)\.mouse_pressed|(\w*)\.mouse_clicked|(\w*)\.clic_izquierdo/);w&&(this.variables[w[1]+".DESCARTESJS_no_fixed"]=
1);this.getVariable(q,!0)}"asign"===t&&n&&":="!=q&&(t="compOperator",q="==");if("asign"===t)if(k=new a.Node(t,q),null!=l)if("identifier"===l.type)l.parent&&l.parent.replaceLastChild(k),k.addChild(l),l=k,n=!0;else if("square_bracket"===l.type)k.addChild(l.parent),l=k,n=!0;else{k.type="compOperator";k.value="==";for(n=!0;l.parent&&h(l.parent.value)>=h(k.value);)l=l.parent;l.parent&&l.parent.replaceLastChild(k);k.addChild(l);l=k}else{console.log("Error1: en la expresion <<"+d+">>, en el token {valor: "+
q+", tipo: "+t+"}");break}else if("parentheses"===t&&"("===q||"square_bracket"===t&&"["===q)if(k=new a.Node(t,q),"("===q&&b++,"["===q&&u++,null===l)"("===q&&(new a.Node("(expr)","(expr)")).addChild(k),"["===q&&(new a.Node("[expr]","[expr]")).addChild(k),l=k;else if("operator"===l.type||"boolOperator"===l.type||"compOperator"===l.type||"conditional"===l.type||"asign"===l.type)l.addChild(k),l=k;else if("sign"===l.type)l.addChild(k),l=k;else if("parentheses"===l.type&&"("===l.value)l.addChild(k),l=k;
else if("square_bracket"===l.type&&"["===l.value)l.addChild(k),l=k;else if("parentheses"===l.type&&"()"===l.value)l.parent.addChild(k),l=k;else if("square_bracket"===l.type&&"[]"===l.value)l.parent.addChild(k),l=k;else if("identifier"===l.type)l.addChild(k),l=k;else{console.log("Error2: en la expresion <<"+d+">>, en el token ["+f+"] {valor: "+q+", tipo: "+t+"}");break}else if("parentheses"===t&&")"===q)if(b--,null===l)console.log("Error3: en la expresion <<"+d+">>, en el token (valor:"+q+", tipo:"+
t);else{for(;l&&l.parent&&("("!=l.value||"("==l.value&&"parentheses"!=l.type);)l=l.parent;if(l&&"("===l.value)l.value="()";else{console.log("Error4: en la expresion <<"+d+">>, en el token {valor: "+q+", tipo: "+t+"}");break}}else if("square_bracket"===t&&"]"===q)if(u--,null===l)console.log("Error5: en la expresion <<"+d+">>, en el token (valor:"+q+", tipo:"+t);else{for(;l&&l.parent&&("["!=l.value||"["==l.value&&"square_bracket"!=l.type);)l=l.parent;if(l&&"["===l.value)l.value="[]";else{console.log("Error6: en la expresion <<"+
d+">>, en el token {valor: "+q+", tipo: "+t+"}");break}}else if("number"===t||"string"===t||"identifier"===t)if(k=new a.Node(t,q),null===l)l=k;else if("operator"===l.type||"compOperator"===l.type||"boolOperator"===l.type||"parentheses"===l.type&&"("===l.value||"square_bracket"===l.type&&"["===l.value||"sign"===l.type||"conditional"===l.type||"asign"===l.type)l.addChild(k),l=k;else{console.log("Error7: en la expresion <<"+d+">>, en el token {valor: "+q+", tipo: "+t+"}");break}else if("operator"===
t||"compOperator"===t||"boolOperator"===t)if(k=new a.Node(t,q),null===l)if("-"===q||"+"===q)k.type="sign",k.value="sign"+q,l=k;else if("!"===q)l=k;else{console.log("Error8: en la expresion <<"+d+">>, en el token {valor: "+q+", tipo: "+t+"}");break}else if("operator"===l.type||"compOperator"===l.type||"boolOperator"===l.type||"asign"===l.type||"conditional"===l.type||"square_bracket"===l.type&&"["===l.value&&("-"===q||"+"===q||"!"===q)||"parentheses"===l.type&&"("===l.value&&("-"===q||"+"===q||"!"===
q)){if("-"===q||"+"===q)k.type="sign",k.value="sign"+q;l.addChild(k);l=k}else if("number"===l.type||"parentheses"===l.type&&"()"===l.value||"square_bracket"===l.type&&"[]"===l.value||"string"===l.type||"identifier"===l.type||"conditional"===l.type||"asign"===l.type){for(;l.parent&&h(l.parent.value)>=h(k.value);)l=l.parent;l.parent&&l.parent.replaceLastChild(k);k.addChild(l);l=k}else{console.log("Error9: en la expresion <<"+d+">>, en el token {valor: "+q+", tipo: "+t+"}");break}else if("conditional"===
t)if(k=new a.Node(t,q),null!=l)if("?"===k.value){for(g++;l.parent&&h(l.parent.value)>h(k.value);)l=l.parent;l.parent&&l.parent.replaceLastChild(k);k.addChild(l);l=k}else{for(g--;l&&l.parent&&("?"!=l.value||"?"==l.value&&"conditional"!=l.type);)l=l.parent;if(l&&"?"===l.value)l.value="?:";else{console.log("Error10: en la expresion <<"+d+">>, en el token {valor: "+q+", tipo: "+t+"}");break}}else{console.log("Error11: en la expresion <<"+d+">>, en el token {valor: "+q+", tipo: "+t+"}");break}else if("separator"===
t)if(null!=l)for(;l.parent&&"("!=l.value&&"["!=l.value;)l=l.parent;else{console.log("Error12: en la expresion <<"+d+">>, en el token {valor: "+q+", tipo: "+t+"}");break}else{console.log("Error13: en la expresion <<"+d+">>, en el token {valor: "+q+", tipo: "+t+"}");break}}0<b&&alert("Error, faltan parentesis por cerrar: "+d);0>b&&alert("Error, faltan parentesis por abrir: "+d);0<u&&alert("Error, faltan corchetes por cerrar: "+d);0>u&&alert("Error, faltan corchetes por abrir: "+d);0!=g&&alert("Error, condicional incompleta: "+
d);(v=l?l.getRoot():null)&&v.setAllEvalFun();return v};a.Parser.prototype.registerDefaultValues=function(){function b(a,c){for(var d in c)c.hasOwnProperty(d)&&(a[d]=c[d])}var c=this;c.variables.rnd=Math.random;c.variables.pi=c.variables["\u03c0"]=a.returnValue(Math.PI);c.variables.e=a.returnValue(Math.E);c.variables.Infinity=Infinity;c.variables["-Infinity"]=-Infinity;c.variables.isTouch=c.variables["esT\u00e1ctil"]=a.hasTouchSupport?1:0;c.functions.sqr=function(a){return a*a};c.functions.sqrt=c.functions["ra\u00edz"]=
Math.sqrt;c.functions.exp=Math.exp;c.functions.log=Math.log;c.functions.log10=function(a){return Math.log(a)/Math.log(10)};c.functions.abs=Math.abs;c.functions.ent=Math.floor;c.functions.sgn=function(a){return 0<a?1:0>a?-1:0};c.functions.ind=function(a){return a?1:0};c.functions.sin=c.functions.sen=Math.sin;c.functions.cos=Math.cos;c.functions.tan=Math.tan;c.functions.cot=function(a){return 1/Math.tan(a)};c.functions.sec=function(a){return 1/Math.cos(a)};c.functions.csc=function(a){return 1/Math.sin(a)};
c.functions.sinh=c.functions.senh=function(a){return(Math.exp(a)-Math.exp(-a))/2};c.functions.cosh=function(a){return(Math.exp(a)+Math.exp(-a))/2};c.functions.tanh=function(a){return(Math.exp(a)-Math.exp(-a))/(Math.exp(a)+Math.exp(-a))};c.functions.coth=function(a){return 1/c.functions.tanh(a)};c.functions.sech=function(a){return 1/c.functions.cosh(a)};c.functions.csch=function(a){return 1/c.functions.sinh(a)};c.functions.asin=c.functions.asen=Math.asin;c.functions.acos=Math.acos;c.functions.atan=
Math.atan;c.functions.min=Math.min;c.functions.max=Math.max;c.functions._Trace_=c.functions._Print_=function(){console.log.apply(console,arguments);return 0};c.functions._Num_=function(a){if("number"==typeof a)return"NaN";a=a.replace(",",".");return parseFloat(a)==a?parseFloat(a):"NaN"};c.functions._Stop_Audios_=function(){c.evaluator.parent.stopAudios()};c.functions.esCorrecto=function(b,d,g){return a.esCorrecto(b,d,c.evaluator,g)};c.functions.escorrecto=function(b,d,g){return a.escorrecto(b,d,c.evaluator,
g)};window.parent!==window&&(c.functions["parent.set"]=function(a,b){window.parent.postMessage({type:"set",name:a,value:b},"*");return 0},c.functions["parent.update"]=function(){window.parent.postMessage({type:"update"},"*");return 0},c.functions["parent.exec"]=function(a,b){window.parent.postMessage({type:"exec",name:a,value:b},"*");return 0});c.functions._NumToStr_=c.functions._NumACadena_=function(a,b){a=isNaN(parseFloat(a))?0:parseFloat(a);return a.toFixed(parseInt(b||0))};c.functions._charAt_=
c.functions._letraEn_=function(a,b){a=(a||"").toString();b=isNaN(parseInt(b))?0:parseInt(b);return a.charAt(b)};c.functions._substring_=c.functions._subcadena_=function(a,b,c){a=(a||"").toString();b=isNaN(parseInt(b))?0:parseInt(b);c=isNaN(parseInt(c))?0:parseInt(c);return 0<=b&&0<=c?a.substring(b,c):0>b&&0<=c?a.substring(c):0>c&&0<=b?a.substring(b):""};c.functions._length_=c.functions._longitud_=function(a){return(a||"").toString().length};c.functions._indexOf_=c.functions["_\u00edndiceDe_"]=function(a,
b){return(a||"").toString().indexOf((b||"").toString())};this.functions._Load_=function(b){var c="";b&&(c=(c=document.getElementById(b))&&"descartes/archivo"==c.type?c.text:a.openExternalFile(b));return c||""};this.functions._GetValues_=function(a,b){var c=this.functions._Load_(a).replace(/&brvbar;/g,String.fromCharCode("166"));return this.functions._ExecBlock_(c,b)};this.functions._GetMatrix_=function(a,b){var c=this.functions._Load_(a).replace(/&brvbar;/g,String.fromCharCode("166"));return this.functions._StrToMatrix_(c,
b)};this.functions._MatrixToStr_=function(a){var b=this.matrices[a];if(b){for(var c="<"+a+">\\n",d=this.getVariable(a+".columnas_usadas")||b.rows||0,g=this.getVariable(a+".filas_usadas")||b.cols||0,e,k=0;k<d;k++){for(var f=0;f<g;f++)e=b[k][f],void 0!==e&&("string"==typeof e&&(e="'"+e+"'"),c+=e+(f<g-1?" \u00a6 ":""));c=c.replace(/(\u00A6 )$/g,"")+"\\n"}return c+("</"+a+">")}return""};this.functions._StrToMatrix_=function(a,b){var g=[],e=!1;g.type="matrix";if(a){a=a.replace(/\r|\\r/g,"").split(/\n|\\n/);
for(var k=0,f=a.length;k<f;k++)a[k].match("<"+b+">")?(e=a[k].trim().split("<"+b+">"),2==e.length&&""!=e[1]&&g.push(e[1].split(String.fromCharCode("166")).map(d)),e=!0):a[k].match("</"+b+">")?(e=a[k].trim().split("</"+b+">"),2==e.length&&""!=e[0]&&g.push(e[0].split(String.fromCharCode("166")).map(d)),e=!1):e&&g.push(a[k].split(String.fromCharCode("166")).map(d));c.matrices[b]=g;c.setVariable(b+".filas",g[0].length);c.setVariable(b+".columnas",g.length)}return"OK"};this.functions._GetVector_=function(a,
b){var c=this.functions._Load_(a);return this.functions._StrToVector_(c,b)};this.functions._VectorToStr_=function(a){var b=this.vectors[a];if(b){for(var c="<"+a+">\\n",d=this.getVariable(a+".long_usada")||b._size_||0,e,g=0;g<d;g++)e=b[g],void 0!==e?("number"==typeof e&&(e=parseFloat(e)),c+=e+"\\n"):c+="0\\n";return c+("</"+a+">")}return""};this.functions._StrToVector_=function(a,b){var e=[],g=!1;e.type="vector";if(a){a=a.replace(/\r|\\r/g,"").split(/\n|\\n/);for(var k=0,f=a.length;k<f;k++)a[k].match("<"+
b+">")?g=!0:a[k].match("</"+b+">")?g=!1:g&&e.push(d(a[k]));e._size_=e.length;c.vectors[b]=e;c.setVariable(b+".long",e.length);c.setVariable(b+".long_usada",e.length)}return"OK"};this.functions._ExecStr_=function(a){return this.functions._ExecBlock_(a,"")};this.functions._ExecBlock_=function(a,b){var d=[],e=""==b;if(a){a=a.replace(/\r|\\r/g,"").split(/\n|\\n/);for(var g=0,k=a.length;g<k;g++)a[g].match("<"+b+">")?(e=a[g].trim().split("<"+b+">"),2==e.length&&""!=e[1]&&(d=d.concat(e[1].split(String.fromCharCode("166")))),
e=!0):a[g].match("</"+b+">")?(e=a[g].trim().split("</"+b+">"),2==e.length&&""!=e[0]&&(d=d.concat(e[0].split(String.fromCharCode("166")))),e=!1):e&&(d=d.concat(a[g].split(String.fromCharCode("166"))));g=0;for(k=d.length;g<k;g++)e=d[g].split("="),e[0]=e[0].trim(),2==e.length&&""!=e[0]&&(isNaN(parseFloat(e[1]))?c.setVariable(e[0],e[1].replace(/^\s|\s$/g,"").replace(/^'|'$/g,"")):c.setVariable(e[0],parseFloat(e[1])))}return 0};var g=document.createElement("a");g.setAttribute("target","_blank");var k,
f=null;this.functions._Save_=function(b,c){document.body.appendChild(g);k=new Blob(["\ufeff",c.replace(/\\n/g,"\n").replace(/\\q/g,"'").replace(/\\r/g,"").replace(/\\_/g,"\\")],{type:"text/plain"});g.setAttribute("download",b);g.setAttribute("href",window.URL.createObjectURL(k));null==f&&(g.click(),f=!0,a.setTimeout(function(){f=null},1E3));document.body.removeChild(g);return 0};var q,h,l,r,t=document.createElement("input");t.setAttribute("type","file");onHandleFileSelect=function(b){q=b.target.files;
h=new FileReader;h.onload=function(b){a.addExternalFileContent(q[0].name,b.target.result);c.setVariable(l,q[0].name);c.getFunction(r)&&(c.getFunction(r).apply(c.evaluator,[]),c.evaluator.parent.update())};0<q.length&&h.readAsText(q[0])};t.addEventListener("change",onHandleFileSelect);this.functions._Open_=function(a,b){l=a;r=b;t.click();return 0};var u,p,v=document.createElement("input");v.setAttribute("type","file");onHandleFileSelect2=function(a){a.stopPropagation();a.preventDefault();u=a.target.files;
p=new FileReader;p.onload=function(a){var d={};try{d=JSON.parse(a.target.result)}catch(g){}d.variables&&b(c.variables,d.variables);d.vectors&&b(c.vectors,d.vectors);d.matrices&&b(c.matrices,d.matrices);c.evaluator.parent.update()};0<u.length&&p.readAsText(u[0])};v.removeEventListener("change",onHandleFileSelect2);v.addEventListener("change",onHandleFileSelect2);this.functions._AnchoDeCadena_=this.functions._strWidth_=function(b,c,d,e){return a.getTextWidth(b,a.convertFont(c+","+d+","+e))};this.functions._Rojo_=
this.functions._Red_=function(b){return(new a.Color(b)).r/255};this.functions._Verde_=this.functions._Green_=function(b){return(new a.Color(b)).g/255};this.functions._Azul_=this.functions._Blue_=function(b){return(new a.Color(b)).b/255}};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.floor;a.Evaluator=function(d){this.parent=d;this.parser=new a.Parser(this);this.variables=this.parser.variables;this.functions=this.parser.functions;this.vectors=this.parser.vectors;
this.matrices=this.parser.matrices;this.definitions=this.parser.definitions};a.Evaluator.prototype.setDefinition=function(a,f){this.definitions[a]=f};a.Evaluator.prototype.getDefinition=function(a){return this.definitions[a]};a.Evaluator.prototype.setVariable=function(a,f){this.variables[a]=f};a.Evaluator.prototype.getVariable=function(a){return this.variables[a]};a.Evaluator.prototype.setVector=function(a,f,p){f=0>f?0:h(f);this.vectors[a][f]=p};a.Evaluator.prototype.getVector=function(a,f){f=0>f?
0:h(f);return this.vectors[a][f]};a.Evaluator.prototype.setMatrix=function(a,f,p,c){f=0>f?0:h(f);p=0>p?0:h(p);this.matrices[a][f][p]=c};a.Evaluator.prototype.getMatrix=function(a,f,p){f=0>f?0:h(f);p=0>p?0:h(p);return this.matrices[a][f][p]};a.Evaluator.prototype.setFunction=function(a,f){this.functions[a]=f};a.Evaluator.prototype.getFunction=function(a){return this.functions[a]};a.Evaluator.prototype.eval=function(a){return a?a.evaluate(this):0};a.externalEvaluator=new a.Evaluator;return a}(descartesJS||
{}),descartesJS=function(a){function h(a){for(var b="",c,d=0;d<a.children.length;d++)if(c=a.children[d],"text"===c.nodeType)b+=c.value.replace(/\[/g,"\\left[").replace(/\]/g,"\\right]").replace(/_/g,"\\_").replace(/ /g,"\\;").replace(/</g,"&lt;").replace(/>/g,"&gt;");else if("mathSymbol"===c.nodeType)b+=c.value.replace(/\(/g,"\\left(").replace(/\)/g,"\\right)");else if("superIndex"===c.nodeType)b+="^{"+h(c)+"}";else if("subIndex"===c.nodeType)b+="_{"+h(c)+"}";else if("fraction"===c.nodeType)b+="\\frac{"+
h(c.children[0])+"}{"+h(c.children[1])+"}";else if("radical"===c.nodeType)b+="\\sqrt["+h(c.children[0])+"]{"+h(c.children[1])+"}";else if("sum"===c.nodeType)b+="\\sum_{"+h(c.children[0])+"}^{"+h(c.children[1])+"}{"+h(c.children[2])+"}";else if("integral"===c.nodeType)b+="\\int_{"+h(c.children[0])+"}^{"+h(c.children[1])+"}{"+h(c.children[2])+"}";else if("limit"===c.nodeType)b+="\\lim_{"+h(c.children[0])+" \\to "+h(c.children[1])+"}{"+h(c.children[2])+"}";else if("matrix"===c.nodeType){for(var b=b+
"\\begin{bmatrix}",k=0;k<c.rows;k++){for(var e=0;e<c.columns;e++)b+=h(c.children[e+k*c.columns])+" &";b=b.substring(0,b.length-2)+"\\\\"}b+="\\end{bmatrix}"}else if("defparts"===c.nodeType){b+="\\begin{cases}";for(k=0;k<c.parts;k++)b+=h(c.children[k])+" \\\\";b+="\\end{cases}"}else console.log("<<",a.children[d].nodeType,">>");return b}if(a.loadLib)return a;var d=Math.floor,f=Math.max,p=2,c=!1,l;a.RTFNode=function(a,b,c,d){this.evaluator=a;this.type="rtfNode";this.value=b;this.nodeType=c;this.style=
d;this.styleString=d.toString();this.color=d.textColor;this.underline=d.textUnderline;this.overline=d.textOverline;this.parent=null;this.children=[];switch(this.nodeType){case "textBlock":this.draw=this.drawTextBlock;break;case "textLineBlock":this.draw=this.drawTextLineBlock;break;case "formula":this.draw=this.drawFormula;break;case "superIndex":this.draw=this.drawSuperIndex;break;case "subIndex":this.draw=this.drawSubIndex;break;case "dynamicText":this.draw=this.drawDynamicText;this.decimal_symbol=
this.evaluator.parent.decimal_symbol;break;case "fraction":this.draw=this.drawFraction;break;case "numerator":case "denominator":this.draw=this.drawNumDen;break;case "radical":this.draw=this.drawRadical;break;case "limit":this.draw=this.drawLimit;break;case "integral":this.draw=this.drawIntegral;break;case "sum":this.draw=this.drawSum;break;case "matrix":this.draw=this.drawMatrix;break;case "defparts":this.draw=this.drawDefparts;break;case "text":case "newLine":this.draw=this.drawText;break;case "hyperlink":this.draw=
this.drawHyperlink;break;case "mathSymbol":this.draw=this.drawMathSymbol;break;case "index":case "radicand":case "from":case "to":case "what":case "element":this.draw=this.drawGenericBlock;break;case "componentNumCtrl":this.draw=this.drawComponentNumCtrl;break;case "componentSpace":this.draw=this.drawComponentSpace}};a.RTFNode.prototype.getRoot=function(){return null==this.parent?this:this.parent.getRoot()};a.RTFNode.prototype.addChild=function(a){a.parent=this;this.children.push(a)};var k=0,b=0,
u=0;a.RTFNode.prototype.getTextMetrics=function(){if("textBlock"==this.nodeType){this.spaceWidth=a.getTextWidth(" ",this.styleString);for(var d=0,h=this.children.length;d<h;d++)this.children[d].getTextMetrics()}else if("textLineBlock"==this.nodeType)this.spaceWidth=a.getTextWidth(" ",this.styleString),this.getBlockMetric();else if("newLine"==this.nodeType){this.spaceWidth=a.getTextWidth(" ",this.styleString);var l=a.getFontMetrics(this.styleString);this.baseline=l.baseline;this.descent=l.descent;
this.ascent=l.ascent;this.w=0;this.h=l.h}else if("text"==this.nodeType||"dynamicText"==this.nodeType){this.spaceWidth=a.getTextWidth(" ",this.styleString);l=a.getFontMetrics(this.styleString);this.baseline=l.baseline;this.descent=l.descent;this.ascent=l.ascent;var d=this.value,t;"string"!=typeof this.value&&(h=void 0==this.decimals?p:this.evaluator.eval(this.decimals),t=void 0==this.fixed?c:this.fixed,d=this.evaluator.eval(this.value,h,t),parseFloat(d).toString()===d.toString()&&(d=t?parseFloat(d).toFixed(h):
a.removeNeedlessDecimals(parseFloat(d).toFixed(h)),d=(""+d).replace(".",this.decimal_symbol)),d+=" ");this.w=a.getTextWidth(d,this.styleString);this.h=l.h}else if("formula"==this.nodeType)this.spaceWidth=a.getTextWidth(" ",this.styleString),this.getBlockMetric();else if("hyperlink"===this.nodeType){d=a.getFontMetrics(this.styleString);this.baseline=d.baseline;this.descent=d.descent;this.ascent=d.ascent;this.w=a.getTextWidth(this.value,this.styleString);this.h=d.h;this.clickCacher=document.createElement("div");
this.clickCacher.setAttribute("style","position: absolute; width: "+this.w+"px; height: "+this.h+"px; cursor: pointer;");var v=new a.OpenURL(this.evaluator.parent,this.URL),e=this;this.clickCacher.addEventListener("click",function(a){e.click=!0;v.actionExec()})}else if("superIndex"==this.nodeType)this.spaceWidth=a.getTextWidth(" ",this.styleString),h=k,l=b,t=u,d=a.getFontMetrics(this.styleString),this.getBlockMetric(),0>this.h&&(this.ascent=d.ascent,this.descent=d.descent,this.h=this.ascent+this.descent,
this.w=1.5*this.spaceWidth),d=t/2-l+this.h,this.superIndexPos=d-this.ascent,this.ascent=d,this.descent=l,this.baseline=this.ascent,this.h=this.ascent+this.descent;else if("subIndex"==this.nodeType)this.spaceWidth=a.getTextWidth(" ",this.styleString),h=k,l=b,t=u,d=a.getFontMetrics(this.styleString),this.getBlockMetric(),0>this.h&&(this.ascent=d.ascent,this.descent=d.descent,this.h=this.ascent+this.descent,this.w=1.5*this.spaceWidth),this.subIndexPos=l+1,this.ascent=h,this.descent=this.subIndexPos+
this.descent,this.baseline=this.ascent,this.h=this.ascent+this.descent;else if("fraction"==this.nodeType){this.spaceWidth=a.getTextWidth(" ",this.styleString);var n=this.children[0],w=this.children[1],d=a.getFontMetrics(n.styleString);n.getBlockMetric();w.getBlockMetric();h=k;l=b;t=u;0>n.h&&(n.h=d.h,n.w=this.spaceWidth);0>w.h&&(w.h=d.h,w.w=this.spaceWidth);this.h=n.h+w.h-1;this.ascent=n.h+Math.round(t/2)-l;this.descent=this.h-this.ascent;this.baseline=this.ascent;this.w=f(n.w,w.w)+this.spaceWidth+
8}else if("radical"==this.nodeType){this.spaceWidth=a.getTextWidth(" ",this.styleString);l=this.children[0].style.clone();if(1===this.children.length)this.children[1]=new a.RTFNode(this.evaluator," ","radicand",l),this.children[1].addChild(this.children[0]),this.children[0]=new a.RTFNode(this.evaluator," ","index",l);else if("index"!==this.children[0].nodeType||"radicand"!==this.children[1].nodeType){t=new a.RTFNode(this.evaluator,"","radicand",l);d=0;for(h=this.children.length;d<h;d++)t.addChild(this.children[d]);
this.children=[];this.children[0]=new a.RTFNode(this.evaluator,"","index",l);this.children[1]=t}d=this.children[0];h=this.children[1];0>=d.children.length&&(l=this.style.clone(),l.fontSize=parseInt(l.fontSize-.2*l.fontSize),d.addChild(new a.RTFNode(this.evaluator," ","text",l)));0>=h.children.length&&h.addChild(new a.RTFNode(this.evaluator," ","text",this.style.clone()));d.getBlockMetric();h.getBlockMetric();this.ascent=h.h/2<d.h?h.h/2+d.h+2-h.descent:h.ascent+4;this.descent=h.descent;this.baseline=
this.ascent;this.h=this.ascent+this.descent;this.w=d.w+h.w+4*this.spaceWidth}else if("sum"==this.nodeType)this.spaceWidth=a.getTextWidth(" ",this.styleString),h=k,l=b,t=u,l=this.children[0],h=this.children[1],t=this.children[2],l.getBlockMetric(),h.getBlockMetric(),t.getBlockMetric(),-1==l.ascent&&(n=a.getFontMetrics(l.styleString),l.ascent=n.ascent,l.descent=n.descent,l.h=n.h),-1==h.ascent&&(n=a.getFontMetrics(h.styleString),h.ascent=n.ascent,h.descent=n.descent,h.h=n.h),d=a.getFontMetrics(this.styleString),
this.ascent=d.h+h.h>t.ascent?d.h-d.descent+h.h:t.ascent,this.descent=l.h>t.descent?l.h+d.descent:t.descent,this.baseline=this.ascent,this.h=this.ascent+this.descent,d=this.style.clone(),d.fontType="Times New Roman",d.Bold="bold",d=d.toString(),d=a.getTextWidth(String.fromCharCode(8721),d),this.w=f(l.w,h.w,d)+f(t.w,this.spaceWidth)+this.spaceWidth;else if("integral"==this.nodeType)this.spaceWidth=a.getTextWidth(" ",this.styleString),h=k,l=b,t=u,l=this.children[0],h=this.children[1],t=this.children[2],
l.getBlockMetric(),h.getBlockMetric(),t.getBlockMetric(),-1==l.ascent&&(n=a.getFontMetrics(l.styleString),l.ascent=n.ascent,l.descent=n.descent,l.h=n.h),-1==h.ascent&&(n=a.getFontMetrics(h.styleString),h.ascent=n.ascent,h.descent=n.descent,h.h=n.h),d=a.getFontMetrics(this.styleString),this.ascent=d.h+h.h>t.ascent?d.h-d.descent+h.h:t.ascent,this.descent=l.h>t.descent?l.h+d.descent:t.descent,this.baseline=this.ascent,this.h=this.ascent+this.descent,d=this.style.clone(),d.fontSize*=1.5,d.fontType="Times New Roman",
d.Bold="bold",d=d.toString(),d=a.getTextWidth(String.fromCharCode(8747),d),this.w=f(l.w,h.w,d)+f(t.w,this.spaceWidth)+2*this.spaceWidth;else if("limit"==this.nodeType)this.spaceWidth=a.getTextWidth(" ",this.styleString),h=k,l=b,t=u,l=this.children[0],h=this.children[1],t=this.children[2],d=a.getFontMetrics(this.styleString),l.getBlockMetric(),h.getBlockMetric(),t.getBlockMetric(),-1==l.ascent&&(n=a.getFontMetrics(l.styleString),l.ascent=n.ascent,l.descent=n.descent,l.h=n.h),-1==h.ascent&&(n=a.getFontMetrics(h.styleString),
h.ascent=n.ascent,h.descent=n.descent,h.h=n.h),-1==t.ascent&&(n=a.getFontMetrics(t.styleString),t.ascent=n.ascent,t.descent=n.descent,t.h=n.h),this.ascent=t.ascent,this.descent=f(d.h,t.descent),this.baseline=this.ascent,this.h=this.ascent+this.descent,d=a.getTextWidth(" "+String.fromCharCode(8594),this.styleString),0==l.w&&(l.w=this.spaceWidth),0==h.w&&(h.w=this.spaceWidth),0==t.w&&(t.w=this.spaceWidth),this.w=h.w+l.w+t.w+d+this.spaceWidth;else if("matrix"==this.nodeType){this.spaceWidth=a.getTextWidth(" ",
this.styleString);d=a.getFontMetrics(this.styleString);h=k;l=b;t=u;t=d.ascent;for(var n=d.descent,w=d.h,m=this.spaceWidth,x,A,d=0,h=this.children.length;d<h;d++)this.children[d].getBlockMetric(),x=this.children[d].h,A=this.children[d].w,w<x&&(w=x,t=this.children[d].ascent,n=this.children[d].descent),m<A&&(m=A);this.childWidth=m+2*this.spaceWidth;this.childHeight=w;this.childAscent=t;this.childDescent=n;this.h=this.rows*w;this.ascent=this.h/2;this.descent=this.h/2;this.w=this.columns*this.childWidth+
this.spaceWidth}else if("defparts"==this.nodeType){this.spaceWidth=a.getTextWidth(" ",this.styleString);d=a.getFontMetrics(this.styleString);h=k;l=b;t=u;t=d.ascent;n=d.descent;w=d.h;m=this.spaceWidth;d=0;for(h=this.children.length;d<h;d++)this.children[d].getBlockMetric(),x=this.children[d].h,A=this.children[d].w,w<x&&(w=x,t=this.children[d].ascent,n=this.children[d].descent),m<A&&(m=A);this.childWidth=m+2*this.spaceWidth;this.childHeight=w;this.childAscent=t;this.childDescent=n;this.h=this.parts*
w;this.ascent=this.h/2+l;this.descent=this.h-this.ascent;this.w=m+this.spaceWidth/2}else"mathSymbol"==this.nodeType?(this.spaceWidth=a.getTextWidth(" ",this.styleString),l=a.getFontMetrics(this.styleString),this.baseline=l.baseline,this.descent=l.descent,this.ascent=l.ascent,this.w=a.getTextWidth(this.value,this.styleString)+this.spaceWidth,this.h=l.h):"componentNumCtrl"==this.nodeType?(this.spaceWidth=a.getTextWidth(" ",this.styleString),l=a.getFontMetrics(this.styleString),this.componentNumCtrl=
this.evaluator.parent.getControlByCId(this.value),this.baseline=l.baseline-2,this.descent=l.descent-2,this.ascent=l.ascent+2,this.h=this.componentNumCtrl.h||1,this.w=this.componentNumCtrl.w||1):"componentSpace"==this.nodeType?(this.spaceWidth=a.getTextWidth(" ",this.styleString),this.componentSpace=this.evaluator.parent.getSpaceByCId(this.value),this.h=this.ascent=this.descent=this.baseline=0,this.w=this.componentSpace.w):console.log("Element i=unknown",this.nodeType)};a.RTFNode.prototype.getBlockMetric=
function(){this.w=0;for(var a=-1,c=-1,d,f=0,h=this.children.length;f<h;f++){d=this.children[f];d.getTextMetrics();childAscent=d.ascent;childDescent=d.descent;this.w+=d.w;var e=childDescent;d=d.h;k=childAscent;b=e;u=d;c<childAscent&&(c=childAscent);a<childDescent&&(a=childDescent)}this.ascent=c;this.descent=a;this.baseline=this.ascent;this.h=this.ascent+this.descent};a.RTFNode.prototype.drawTextBlock=function(a,b,d,k,f,e,h,u){l=u;this.stableWidth||(p=k,c=f,this.getTextMetrics());h=h?-this.children[0].ascent:
0;f=k=0;for(e=this.children.length;f<e;f++)0<f&&(k+=this.children[f-1].h),this.children[f].draw(a,b+0,d+h+k)};a.RTFNode.prototype.drawTextLineBlock=function(a,b,c){for(var d=0,k=0,e=this.children.length;k<e;k++)a.strokeStyle=l,a.fillStyle=l,0<k&&(d+=this.children[k-1].w,"formula"==this.children[k-1].nodeType&&(d+=2*this.children[k-1].spaceWidth)),this.children[k].draw(a,b+d,c+this.baseline)};a.RTFNode.prototype.drawFormula=function(a,b,c){for(var d=0,k=0,e=this.children.length;k<e;k++)0<k&&(d+=this.children[k-
1].w),this.children[k].draw(a,b+this.spaceWidth+d,c)};a.RTFNode.prototype.drawText=function(a,b,c){null!=this.color&&(a.fillStyle=this.color);a.font=this.styleString;a.textAlign="start";a.textBaseline="alphabetic";a.fillText(this.value,b-1,c);if(this.underline){var d="bold"==this.style.textBold,k=d?1:.5;a.lineWidth=d?2:1;null!=this.color&&(a.strokeStyle=this.color);a.beginPath();a.moveTo(b-1,parseInt(c+this.descent/2)+k);a.lineTo(b-1+this.w,parseInt(c+this.descent/2)+k);a.stroke()}this.overline&&
(k=(d="bold"==this.style.textBold)?2:1.5,a.lineWidth=d?2:1,null!=this.color&&(a.strokeStyle=this.color),a.beginPath(),a.moveTo(b-1,parseInt(c-this.ascent)+k),a.lineTo(b-1+this.w,parseInt(c-this.ascent)+k),a.stroke())};a.RTFNode.prototype.drawDynamicText=function(b,k,f){var h=d(.5*this.spaceWidth),l=void 0==this.decimals?p:this.evaluator.eval(this.decimals),e=void 0==this.fixed?c:this.fixed,n=this.evaluator.eval(this.value);parseFloat(n).toString()===n.toString()&&(n=e?parseFloat(n).toFixed(l):a.removeNeedlessDecimals(parseFloat(n).toFixed(l)),
n=(""+n).replace(".",this.decimal_symbol));null!=this.color&&(b.fillStyle=this.color);b.font=this.styleString;b.textAlign="start";b.textBaseline="alphabetic";this.w=a.getTextWidth(n,this.styleString);b.fillText(n,h+k,f);this.underline&&(e=(l="bold"==this.style.textBold)?1:.5,b.lineWidth=l?2:1,null!=this.color&&(b.strokeStyle=this.color),b.beginPath(),b.moveTo(h+k-1,parseInt(f+this.descent/2)+e),b.lineTo(h+k-1+this.w,parseInt(f+this.descent/2)+e),b.stroke());this.overline&&(e=(l="bold"==this.style.textBold)?
2:1.5,b.lineWidth=l?2:1,null!=this.color&&(b.strokeStyle=this.color),b.beginPath(),b.moveTo(h+k-1,parseInt(f-this.ascent)+e),b.lineTo(h+k-1+this.w,parseInt(f-this.ascent)+e),b.stroke());this.w+=2*h};a.RTFNode.prototype.drawHyperlink=function(a,b,c){this.clickCacher.parentNode||(a.canvas.nextSibling.className?a.canvas.parentNode.insertBefore(this.clickCacher,a.canvas.nextSibling.nextSibling):a.canvas.parentNode.insertBefore(this.clickCacher,a.canvas.nextSibling),this.clickCacher.style.left=b-2+"px",
this.clickCacher.style.top=c-this.ascent-2+"px");a.save();this.click?(a.fillStyle="red",a.strokeStyle="red"):(a.fillStyle="blue",a.strokeStyle="blue");a.font=this.styleStr;a.textAlign="start";a.textBaseline="alphabetic";a.fillText(this.value,b-1,c);var d="bold"==this.style.textBold,k=d?1:.5;a.lineWidth=d?2:1;a.beginPath();a.moveTo(b-1,Math.ceil(c+this.descent/2)+k-2);a.lineTo(b-1+this.w,Math.ceil(c+this.descent/2)+k-2);a.stroke();a.restore()};a.RTFNode.prototype.drawRadical=function(a,b,c){var k=
d(this.spaceWidth);this.children[0].draw(a,b,d(c+this.children[1].descent-this.children[1].h/2-this.children[0].descent));this.children[1].draw(a,b+1.5*k+this.children[0].w,c);a.lineWidth=1;null!=this.color&&(a.strokeStyle=this.color);a.beginPath();a.moveTo(b,d(c+this.children[1].descent-this.children[1].h/2));a.lineTo(b+this.children[0].w,d(c+this.children[1].descent-this.children[1].h/2));a.lineTo(b+this.children[0].w+.5*k,c+this.children[1].descent);a.lineTo(b+this.children[0].w+1*k,c-this.children[1].ascent);
a.lineTo(b+this.children[0].w+2*k+this.children[1].w,c-this.children[1].ascent);a.stroke()};a.RTFNode.prototype.drawFraction=function(a,b,c){this.children[0].draw(a,b+(this.w-this.children[0].w)/2,c-this.ascent);this.children[1].draw(a,b+(this.w-this.children[1].w)/2,c-this.ascent+this.children[0].h-1);var k=d(.5*this.spaceWidth);a.lineWidth=1;null!=this.color&&(a.strokeStyle=this.color);a.beginPath();a.moveTo(b+k,parseInt(c-this.ascent+this.children[0].h)-.5);a.lineTo(b-k+this.w-1,parseInt(c-this.ascent+
this.children[0].h)-.5);a.stroke()};a.RTFNode.prototype.drawNumDen=function(a,b,c){for(var d=0,k=0,e=this.children.length;k<e;k++)0<k&&(d+=this.children[k-1].w),this.children[k].draw(a,b+d,c+this.baseline)};a.RTFNode.prototype.drawSubIndex=function(a,b,c){for(var d=0,k=0,e=this.children.length;k<e;k++)0<k&&(d+=this.children[k-1].w),this.children[k].draw(a,b+d,c+this.subIndexPos)};a.RTFNode.prototype.drawSuperIndex=function(a,b,c){for(var d=0,k=0,e=this.children.length;k<e;k++)0<k&&(d+=this.children[k-
1].w),this.children[k].draw(a,b+d,c-this.superIndexPos)};a.RTFNode.prototype.drawLimit=function(b,c,d){var k=a.getFontMetrics(this.styleString),f=" "+String.fromCharCode(8594),e=a.getTextWidth(f,this.styleString);this.children[0].draw(b,c,d+k.descent+this.children[0].ascent);this.children[1].draw(b,c+this.children[0].w+e,d+k.descent+this.children[1].ascent);this.children[2].draw(b,c+e+this.children[0].w+this.children[1].w,d);null!=this.color&&(b.fillStyle=this.color);b.font=this.styleString;b.textAlign=
"start";b.textBaseline="alphabetic";b.fillText("l\u00edm",c+this.children[0].w,d);b.fillText(f,c+this.children[0].w,d+k.descent+this.children[0].ascent)};a.RTFNode.prototype.drawIntegral=function(b,c,k){var h=this.style.clone();h.fontSize*=1.5;h.fontType="Times New Roman";h.Bold="bold";var h=h.toString(),l=a.getTextWidth(String.fromCharCode(8747),h),e=a.getFontMetrics(h),n=f(this.children[0].w,this.children[1].w,d(1.5*l));this.children[0].draw(b,c+l,k+e.descent+this.children[0].ascent);this.children[1].draw(b,
c+l+this.spaceWidth/2,k-this.ascent+this.children[1].ascent);this.children[2].draw(b,c+n+l,k);null!=this.color&&(b.fillStyle=this.color);b.font=h;b.textAlign="start";b.textBaseline="alphabetic";b.fillText(String.fromCharCode(8747),c,k+e.descent/2)};a.RTFNode.prototype.drawSum=function(b,c,k){var h=this.style.clone();h.fontType="Times New Roman";h.Bold="bold";var h=h.toString(),l=a.getTextWidth(String.fromCharCode(8721),h),e=a.getFontMetrics(this.styleString),n=f(this.children[0].w,this.children[1].w,
l);this.children[0].draw(b,c+(n-this.children[0].w)/2,k+e.descent+this.children[0].ascent);this.children[1].draw(b,c+(n-this.children[1].w)/2,k-e.ascent-this.children[1].descent);this.children[2].draw(b,c+n,k);null!=this.color&&(b.fillStyle=this.color);b.font=h;b.textAlign="start";b.textBaseline="alphabetic";b.fillText(String.fromCharCode(8721),c+d((n-l)/2),k-5)};a.RTFNode.prototype.drawMatrix=function(a,b,c){for(var k,f,e=0,h=this.children.length;e<h;e++)k=e%this.columns,f=d(e/this.columns),this.children[e].draw(a,
2*this.spaceWidth+b+k*this.childWidth,c-this.ascent+this.childAscent+f*this.childHeight);a.lineWidth=1;null!=this.color&&(a.strokeStyle=this.color);a.beginPath();a.moveTo(d(b+this.spaceWidth)+.5,c-this.ascent+.5);a.lineTo(d(b+this.spaceWidth/2)+.5,c-this.ascent+.5);a.lineTo(d(b+this.spaceWidth/2)+.5,c+this.descent+.5);a.lineTo(d(b+this.spaceWidth)+.5,c+this.descent+.5);a.moveTo(d(b+this.w-this.spaceWidth)-.5,c-this.ascent+.5);a.lineTo(d(b+this.w-this.spaceWidth/2)-.5,c-this.ascent+.5);a.lineTo(d(b+
this.w-this.spaceWidth/2)-.5,c+this.descent+.5);a.lineTo(d(b+this.w-this.spaceWidth)-.5,c+this.descent+.5);a.stroke()};a.RTFNode.prototype.drawDefparts=function(a,b,c){for(var d=0,k=this.children.length;d<k;d++)this.children[d].draw(a,b+3*this.spaceWidth,c-this.ascent+this.childAscent+d%this.parts*this.childHeight);a.lineWidth=1;null!=this.color&&(a.strokeStyle=this.color);a.beginPath();a.moveTo(parseInt(b+2*this.spaceWidth)+.5,c-this.ascent+.5);a.lineTo(parseInt(b+2*this.spaceWidth)-4.5,c-this.ascent+
4.5);a.lineTo(parseInt(b+2*this.spaceWidth)-4.5,c+this.descent-this.h/2-4.5);a.lineTo(b-.5,c+this.descent-this.h/2);a.lineTo(parseInt(b+2*this.spaceWidth)-4.5,c+this.descent-this.h/2+4.5);a.lineTo(parseInt(b+2*this.spaceWidth)-4.5,c+this.descent-4.5);a.lineTo(parseInt(b+2*this.spaceWidth)+.5,c+this.descent+.5);a.stroke()};a.RTFNode.prototype.drawMathSymbol=function(a,b,c){a.lineWidth=1;null!=this.color&&(a.strokeStyle=this.color,a.fillStyle=this.color);a.beginPath();"("==this.value?(a.font=this.styleString,
a.textAlign="start",a.textBaseline="alphabetic",a.fillText("(",b,c)):")"==this.value?(a.font=this.styleString,a.textAlign="start",a.textBaseline="alphabetic",a.fillText(")",b+this.spaceWidth,c)):(a.font=this.styleString,a.textAlign="center",a.textBaseline="alphabetic",a.fillText(this.value,b+this.w/2,c))};a.RTFNode.prototype.drawGenericBlock=function(a,b,c){for(var d=0,k=0,e=this.children.length;k<e;k++)0<k&&(d+=this.children[k-1].w),this.children[k].draw(a,b+d,c)};a.RTFNode.prototype.drawComponentNumCtrl=
function(a,b,c){this.parent.getTextMetrics();this.componentNumCtrl.expresion=this.evaluator.parser.parse("("+b+","+(c-this.ascent)+","+this.componentNumCtrl.w+","+this.componentNumCtrl.h+")")};a.RTFNode.prototype.drawComponentSpace=function(a,b,c){this.getTextMetrics();this.componentSpace.xExpr=this.evaluator.parser.parse(b.toString());this.componentSpace.yExpr=this.evaluator.parser.parse((c-this.parent.ascent).toString())};a.RTFNode.prototype.draw=function(a,b,c){console.log(">>> Dibujo desconocido ",
this.nodeType)};a.RTFNode.prototype.toHTML=function(a){var b="";if("textLineBlock"===this.nodeType||"textBlock"===this.nodeType)for(var c=0,d=this.children.length;c<d;c++)b+=this.children[c].toHTML(a);else"text"===this.nodeType?b="<span "+this.style.toCSS()+">"+this.value.replace(/ {2}/g,"&nbsp;&nbsp;").replace(/&nbsp; /g,"&nbsp;")+"</span>":"newLine"===this.nodeType?b="<span "+this.style.toCSS()+">"+this.value+"<br /></span>":"hyperlink"===this.nodeType?b="<span "+this.style.toCSS()+"> <a target='_blank' href='"+
this.URL+"'>"+this.value+"</a></span>":"formula"===this.nodeType?b="<span "+this.style.toCSS()+"> \\( \\displaystyle "+h(this)+"\\) </span>":"componentSpace"===this.nodeType?(a.spaces.push({cID:"cID_"+this.value,value:this.componentSpace}),b="<div style='display:inline-block; vertical-align:top; width:"+this.componentSpace.w+"px; height:0px;' id='cID_"+this.value+"'></div>"):"componentNumCtrl"===this.nodeType?(a.ctrs.push({cID:"cID_"+this.value,value:this.componentNumCtrl}),b="<div style='display:inline-block; vertical-align:middle; width:"+
this.componentNumCtrl.w+"px; height:"+this.componentNumCtrl.h+"px;' id='cID_"+this.value+"'></div>"):console.log(">>>",this,"<<<");return b};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=String.fromCharCode,d,f,p,c,l,k,b,u,g,r,q,t;a.RTFTokenizer=function(){};a.RTFTokenizer.prototype.tokenize=function(a){if(a)a=a.replace(/\&gt;/g,">").replace(/\&lt;/g,"<").replace(/\&quote;/g,"''").replace(/\&squot;/g,"'").replace(/\\rquote /g,"'").replace(/\\endash /g,"-").replace(/\n/g,
" ").replace(/\r/g,"").replace(/\\uc(\d+) /g,"").replace(/\\uc(\d+)/g,"");else return[];d=[];f=a.length;d=[];p="";l=c=0;b=a.charAt(0);u=!1;for(g="text";c<f;)k=b,b=a.charAt(c+1),u?"\\"===b||"{"===b||"}"===b||" "===b||";"===b?(u=!1,p+=k," "===b?(c++,b=a.charAt(c+1),t=!0):t=!1,(r=p.match(/^\'([0-9a-f]{2})/))?(q="","text"===g&&(q=d.pop().value),p=q+=h(parseInt(r[1],16))+p.substring(3)):(r=p.match(/^u[0-9]+/))?(q="","text"===g&&(q=d.pop().value),p=q+=h(r[0].substring(1))):("{"===p||"}"===p||"\\"==k?(d.push({type:"text",
value:p+(t?" ":"")}),g="text"):(d.push({type:"controlWord",value:p}),g="controlWord"),p="")):"{"==k||"}"==k||"\\"==k?(u=!1,d.push({type:"text",value:k}),g="text"):p+=k:"\\"===k?(u=!0,""!==p&&(d.push({type:"text",value:p}),g="text"),p=""):"{"===k?(l++,""!==p&&d.push({type:"text",value:p}),p="",d.push({type:"openBlock",value:l}),g="openBlock"):"}"===k?(""!==p&&d.push({type:"text",value:p}),p="",d.push({type:"closeBlock",value:l}),g="closeBlock",l--):p+=k,c++;""!==p&&d.push({type:"text",value:p});return d};
return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.max,d,f,p,c,l,k,b,u,g,r,q,t,v,e,n,w,m,x,A,C,D,E,H,F,J,B,z,I,G,M;a.RTFParser=function(b){this.evaluator=b;this.tokenizer=new a.RTFTokenizer};a.RTFParser.prototype.parse=function(y){y=d=this.tokenizer.tokenize(y);for(var L=[],K=!1,N=!1,T=[],O=0,U=y.length;O<U;O++)if("openBlock"==y[O].type&&T.push(y[O].value),"closeBlock"==y[O].type&&(T.pop(),0>=T.length&&(K=!1)),"controlWord"!=y[O].type||"expr"!=y[O].value&&"decimals"!=
y[O].value||(N=!0),"controlWord"==y[O].type&&"mjaformula"==y[O].value&&(K=!0),"text"==y[O].type&&K&&!N){for(var R=0,P=y[O].value,Q="",S=0,ca=P.length;S<ca;S++)if("("==P.charAt(S)||")"==P.charAt(S)||"+"==P.charAt(S)||"-"==P.charAt(S)||"*"==P.charAt(S)||"="==P.charAt(S))Q=P.substring(R,S),""!=Q&&L.push({type:"text",value:Q}),L.push({type:P.charAt(S),value:P.charAt(S)}),R=S+1;Q=P.substring(R,S);""!=Q&&L.push({type:"text",value:Q})}else L.push(y[O]),"text"==y[O].type&&N&&(N=!1);d=L;f={};c=2;if("openBlock"==
d[0].type&&"fonttbl"==d[1].value){for(p=d[0].value;"closeBlock"!=d[c].type&&d[c].value!=p;)f[d[c].value]=d[c+2].value.substring(0,d[c+2].value.length-1),c+=3;c++}l={};k=0;if("openBlock"==d[c].type&&"colortbl"==d[c+1].value){p=d[c++].value;for(c++;"closeBlock"!=d[c].type&&d[c].value!=p;)b=parseInt(d[c++].value.substring(3)).toString(16),u=parseInt(d[c++].value.substring(5)).toString(16),g=parseInt(d[c++].value.substring(4)).toString(16),";"===d[c].value&&c++,l[k++]="#"+(2>b.length?"0"+b:b)+(2>u.length?
"0"+u:u)+(2>g.length?"0"+g:g);c++}r=new a.RTFNode(this.evaluator,"","textBlock","",!1,"");q=new a.RTFNode(this.evaluator,"","textLineBlock","",!1,"");r.addChild(q);e=v=t=null;C=A=x=m=w=n=!1;D=[new a.FontStyle(20,"Arial","","",!1,!1,null)];E=D[0];H=!0;J=F=-1;B=[];M=G=I=z=!1;y=c;for(L=d.length;y<L;y++)if("controlWord"==d[y].type&&f[d[y].value])E.fontType=f[d[y].value];else if("controlWord"==d[y].type&&d[y].value.match(/^fs(\d+)/))E.fontSize=parseInt(d[y].value.match(/^fs(\d+)/)[1]/2);else if("controlWord"==
d[y].type&&"b"==d[y].value)E.textBold="bold";else if("controlWord"==d[y].type&&"b0"==d[y].value)E.textBold="";else if("controlWord"==d[y].type&&"i"==d[y].value)E.textItalic="oblique";else if("controlWord"==d[y].type&&"i0"==d[y].value)E.textItalic="";else if("controlWord"==d[y].type&&"ul"==d[y].value)E.textUnderline=!0;else if("controlWord"==d[y].type&&"ulnone"==d[y].value)E.textUnderline=!1;else if("controlWord"==d[y].type&&"ol"==d[y].value)E.textOverline=!0;else if("controlWord"==d[y].type&&"olnone"==
d[y].value)E.textOverline=!1;else if("controlWord"==d[y].type&&d[y].value.match(/^cf(\d+)/))E.textColor=l[parseInt(d[y].value.substring(2))],0<B.length&&(B[B.length-1].style.textColor=E.textColor);else if("openBlock"==d[y].type)F=d[y].value,E=E.clone(),D.push(E),B.push(null);else if("closeBlock"==d[y].type)d[y].value==J&&(J=-1,n=!1,q=q.parent),D.pop(),E=D[D.length-1],B.pop();else if("controlWord"==d[y].type&&"par"==d[y].value){q.addChild(new a.RTFNode(this.evaluator,"","newLine",E.clone()));r=new a.RTFNode(this.evaluator,
"","textLineBlock",E.clone());if("textBlock"!=q.nodeType)for(q=q.parent;"textBlock"!=q.nodeType;)q=q.parent;q.addChild(r);q=r}else if("controlWord"==d[y].type&&"mjaformula"==d[y].value)z=!0,J=F,n=!0,r=new a.RTFNode(this.evaluator,"","formula",E.clone()),q.addChild(r),q=r,B[B.length-1]=r;else if("controlWord"==d[y].type&&("fraction"==d[y].value||"radicand"==d[y].value||"radical"==d[y].value||"what"==d[y].value||"sum"==d[y].value||"integral"==d[y].value||"limit"==d[y].value))K=B[B.length-2].style.clone(),
r=new a.RTFNode(this.evaluator,"",d[y].value,K),B[B.length-2].addChild(r),B[B.length-1]=r;else if("controlWord"==d[y].type&&"index"==d[y].value||"to"==d[y].value||"from"==d[y].value)K=B[B.length-2].style.clone(),K.fontSize=h(parseInt(K.fontSize-.2*K.fontSize),8),r=new a.RTFNode(this.evaluator,"",d[y].value,K),B[B.length-2].addChild(r),B[B.length-1]=r;else if("controlWord"==d[y].type&&("num"==d[y].value||"den"==d[y].value))K=B[B.length-2].style.clone(),K.fontSize=h(Math.round(K.fontSize-.1*K.fontSize),
8),"num"==d[y].value?r=new a.RTFNode(this.evaluator,"","numerator",K):"den"==d[y].value&&(r=new a.RTFNode(this.evaluator,"","denominator",K)),B[B.length-2].addChild(r),B[B.length-1]=r;else if("controlWord"==d[y].type&&("subix"==d[y].value||"supix"==d[y].value))K=B[B.length-2].style.clone(),K.fontSize=h(Math.floor(K.fontSize-K.fontSize/3),8),"subix"==d[y].value?r=new a.RTFNode(this.evaluator,"","subIndex",K):"supix"==d[y].value&&(r=new a.RTFNode(this.evaluator,"","superIndex",K)),r.originalStyle=B[B.length-
2].style.clone(),B[B.length-2].addChild(r),B[B.length-1]=r;else if("controlWord"==d[y].type&&("defparts"==d[y].value||"matrix"==d[y].value||"element"==d[y].value))K=B[B.length-2].style.clone(),r=new a.RTFNode(this.evaluator,"",d[y].value,K),B[B.length-2].addChild(r),B[B.length-1]=r,"defparts"==d[y].value?e=r:"matrix"==d[y].value&&(v=r);else if("controlWord"==d[y].type&&"parts"==d[y].value)C=!0;else if("text"==d[y].type&&C)e.parts=parseInt(d[y].value),C=!1;else if("controlWord"==d[y].type&&"rows"==
d[y].value)x=!0;else if("text"==d[y].type&&x)v.rows=parseInt(d[y].value),x=!1;else if("controlWord"==d[y].type&&"columns"==d[y].value)A=!0;else if("text"==d[y].type&&A)v.columns=parseInt(d[y].value),A=!1;else if("controlWord"==d[y].type&&"expr"==d[y].value)H=!1,w=!0;else if("controlWord"==d[y].type&&"decimals"==d[y].value)m=!0;else if("text"==d[y].type&&m)t.decimals=this.evaluator.parser.parse(d[y].value+""),m=!1;else if("controlWord"==d[y].type&&"fixed1"==d[y].value)t.fixed=!0;else if("controlWord"==
d[y].type&&"fixed0"==d[y].value)t.fixed=!1;else if("controlWord"!=d[y].type||"component"!=d[y].value)if("controlWord"==d[y].type&&"NumCtrl"==d[y].value)I=!0;else if("controlWord"==d[y].type&&"Space"==d[y].value)G=!0;else if("controlWord"==d[y].type&&"hyperlink"==d[y].value)M=!0;else if("text"==d[y].type&&M){textContent=d[y].value.split("|")[0];K=E.clone();r=new a.RTFNode(this.evaluator,textContent,"hyperlink",K);r.URL=d[y].value.split("|")[1];if("textLineBlock"!=q.nodeType)for(q=q.parent;"textLineBlock"!=
q.nodeType;)q=q.parent;q.addChild(r);M=!1}else if("text"==d[y].type&&I)r=new a.RTFNode(this.evaluator,d[y].value,"componentNumCtrl",E.clone()),q.addChild(r),I=!1;else if("text"==d[y].type&&G)r=new a.RTFNode(this.evaluator,d[y].value,"componentSpace",E.clone()),q.addChild(r),G=!1;else if("text"==d[y].type&&w)K=B[B.length-2].style.clone(),textContent=this.evaluator.parser.parse(d[y].value),r=new a.RTFNode(this.evaluator,textContent,"dynamicText",K),B[B.length-2].addChild(r),t=B[B.length-1]=r,w=!1;else if("text"==
d[y].type&&!w&&!n){textContent=d[y].value;r=new a.RTFNode(this.evaluator,textContent,"text",E.clone());if("textLineBlock"!=q.nodeType)for(q=q.parent;"textLineBlock"!=q.nodeType;)q=q.parent;q.addChild(r)}else if("text"==d[y].type&&!w&&n)textContent=d[y].value,r=new a.RTFNode(this.evaluator,textContent,"text",B[B.length-1].style.clone()),B[B.length-1].addChild(r);else if("("==d[y].type||")"==d[y].type)K=B[B.length-1].style.clone(),K.textItalic="",r=new a.RTFNode(this.evaluator,d[y].type,"mathSymbol",
K),B[B.length-1].addChild(r);else if("+"==d[y].type||"-"==d[y].type||"*"==d[y].type||"="==d[y].type)r=new a.RTFNode(this.evaluator,d[y].type,"mathSymbol",B[B.length-1].style.clone()),B[B.length-1].addChild(r);if(null!=q){var W=q.getRoot();W.stableWidth=H;W.getTextMetrics();W.hasFormula=z}return W};a.FontStyle=function(a,b,c,d,e,k,g){this.fontSize=a;this.fontType=b;this.textItalic=c;this.textBold=d;this.textUnderline=e;this.textOverline=k;this.textColor=g};a.FontStyle.prototype.toString=function(){/arial/i.test(this.fontType)?
this.fontType="descartesJS_sansserif,Arial,Helvetica,Sans-serif":/times/i.test(this.fontType)?this.fontType="descartesJS_serif,'Times New Roman',Times,serif":/courier/i.test(this.fontType)&&(this.fontType="descartesJS_monospace,'Courier New',Courier,Monospace");return(this.textBold+" "+this.textItalic+" "+this.fontSize+"px "+this.fontType).trim()};a.FontStyle.prototype.toCSS=function(){var a='style="font-size:'+this.fontSize+"px; font-family:"+this.fontType+";";this.textUnderline&&!this.textOverline&&
(a+="text-decoration:underline;");!this.textUnderline&&this.textOverline&&(a+="text-decoration:overline;");this.textUnderline&&this.textOverline&&(a+="text-decoration:underline overline;");this.textBold&&!this.textItalic&&(a+="font-style:normal;font-weight:bold;");!this.textBold&&this.textItalic&&(a+="font-style:italic;font-weight:normal;");this.textBold&&this.textItalic&&(a+="font-style:italic;font-weight:bold;");this.textBold||this.textItalic||(a+="font-style:normal;font-weight:normal;");this.textColor&&
(a+="color:"+this.textColor+";");return a+'"'};a.FontStyle.prototype.clone=function(){return new a.FontStyle(this.fontSize,this.fontType,this.textItalic,this.textBold,this.textUnderline,this.textOverline,this.textColor)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,l,k,b,u,g,r;a.Space=function(b,c){this.parent=b;d=this.evaluator=this.parent.evaluator;f=d.parser;this.id="";this.values=c;this.type="R2";this.xExpr=f.parse("0");this.yExpr=f.parse("0");this.w=
parseInt(b.container.width);this.h=parseInt(b.container.height);this.drawif=f.parse("1");this.fixed=2==b.version;this.scale=48;this.Oy=this.Ox=0;this.image=new Image;this.image.onload=function(){this.ready=1};this.imageSrc="";this.bg_display="topleft";this.background=new a.Color(/DescartesJS.class/i.test(b.code)||b.arquimedes?"f0f8fa":"ffffff");this.net=2!=b.version?new a.Color("c0c0c0"):"";this.net10=2!=b.version?new a.Color("808080"):"";this.axes=2!=b.version?new a.Color("808080"):"";this.text=
new a.Color("ffafaf");this.numbers=!1;this.y_axis=this.x_axis=2!=b.version?"":" ";this.sensitive_to_mouse_movements=!1;this.cID="";this.mouse_y=this.mouse_x=0;this.ctrs=[];this.graphicsCtr=[];this.graphics=[];this.backGraphics=[];this.zIndex=b.zIndex;this.plecaHeight=b.plecaHeight||0;this.displaceRegionNorth=b.displaceRegionNorth||0;this.displaceRegionWest=b.displaceRegionWest||0;for(var k in c)c.hasOwnProperty(k)&&(this[k]=c[k]);this.init()};a.Space.prototype.init=function(){h=this.parent;d=this.evaluator;
p=this.id;this.displaceRegionNorth=h.displaceRegionNorth||0;this.displaceRegionSouth=h.displaceRegionSouth||0;this.displaceRegionEast=h.displaceRegionEast||0;this.displaceRegionWest=h.displaceRegionWest||0;b=parseInt(h.container.width);k=parseInt(h.container.height);void 0!=this.wExpr&&(this.w=parseInt(b-this.displaceRegionWest-this.displaceRegionEast)*parseFloat(this.wExpr)/100);void 0!=this.hExpr&&(this.h=parseInt(k-this.displaceRegionNorth-this.displaceRegionSouth)*parseFloat(this.hExpr)/100);
void 0!=this.xPercentExpr&&(this.xExpr=d.parser.parse((parseInt(b-this.displaceRegionWest-this.displaceRegionEast)*parseFloat(this.xPercentExpr)/100).toString()));void 0!=this.yPercentExpr&&(this.yExpr=d.parser.parse((parseInt(k-this.displaceRegionNorth-this.displaceRegionSouth)*parseFloat(this.yPercentExpr)/100).toString()));this.x=d.eval(this.xExpr)+this.displaceRegionWest;this.y=d.eval(this.yExpr)+this.plecaHeight+this.displaceRegionNorth;this.container&&(this.container.style.left=this.x+"px",
this.container.style.top=this.y+"px");0<=this.y?(c=k-this.y,this.h>c&&(this.h=c)):(c=this.h+this.y,this.h=c>=k?k:c);0<=this.x?(l=b-this.x,this.w>l&&(this.w=l)):(l=this.w+this.x,this.w=l>=b?b:l);""==this.imageSrc&&/vacio.gif$/i.test(this.imageSrc.trim())||(this.image=h.getImage(this.imageSrc));this.OxExpr&&(g=this.OxExpr,"%"===g[g.length-1]?this.Ox=this.w*parseFloat(g)/100:(u=parseFloat(g),u!=g&&(u=0),this.Ox=u));this.OyExpr&&(r=this.OyExpr,"%"===r[r.length-1]?this.Oy=this.h*parseFloat(r)/100:(u=parseFloat(r),
u!=r&&(u=0),this.Oy=u));""!==this.id&&2!==h.version?(d.setVariable(p+"._w",this.w),d.setVariable(p+"._h",this.h),d.setVariable(p+".escala",this.scale),d.setVariable(p+".Ox",this.Ox),d.setVariable(p+".Oy",this.Oy),d.setVariable(p+".mouse_x",0),d.setVariable(p+".mouse_y",0),d.setVariable(p+".mouse_pressed",0),d.setVariable(p+".mouse_clicked",0),d.setVariable(p+".clic_izquierdo",0)):(u=d.getVariable("_w"),void 0===u&&(u=this.w),d.setVariable("_w",u),u=d.getVariable("_h"),void 0===u&&(u=this.h),d.setVariable("_h",
u),u=d.getVariable("escala"),void 0===u&&(u=this.scale),d.setVariable("escala",u),u=d.getVariable("Ox"),void 0===u&&(u=this.Ox),d.setVariable("Ox",u),u=d.getVariable("Oy"),void 0===u&&(u=this.Oy),d.setVariable("Oy",u),d.setVariable("mouse_x",0),d.setVariable("mouse_y",0),d.setVariable("mouse_pressed",0),d.setVariable("mouse_clicked",0),d.setVariable("clic_izquierdo",0),2==h.version&&""===this.x_axis&&""===this.y_axis&&(this.axes=""));this.w_2=this.w/2;this.h_2=this.h/2};a.Space.prototype.addCtr=function(a){"graphic"===
a.type?this.graphicsCtr.push(a):this.ctrs.push(a)};a.Space.prototype.addGraph=function(a,b){"R2"===this.type&&b||"R3"===this.type&&!b||(a.background&&"R3"!==this.type?this.backGraphics.push(a):this.graphics.push(a))};a.Space.prototype.clearClick=function(){this.evaluator.setVariable(this.mclickedString,0);this.evaluator.setVariable(this.mclicizquierdoString,0)};a.Space.prototype.getRelativeX=function(a){return(parseInt(a)-this.w_2-this.Ox)/this.scale};a.Space.prototype.getRelativeY=function(a){return(-parseInt(a)+
this.h_2+this.Oy)/this.scale};a.Space.prototype.getAbsoluteX=function(a){return a*this.scale+this.w_2+this.Ox};a.Space.prototype.getAbsoluteY=function(a){return-a*this.scale+this.h_2+this.Oy};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h;a.SpaceExternal=function(a){h=this;h.parent=a;h.width=228;h.vSpace=25;h.container=document.createElement("div");h.container.setAttribute("style","box-sizing:border-box;border-style:ridge;border-width:5px;border-color:gray;box-shadow:#000 0 0 25px 5px;overflow-y:scroll;overflow-x:hidden;position:fixed;left:0;top:0;z-index:10000;width:"+
(h.width+27)+"px;height:460px;background-color:#63b4fb");h.movable=document.createElement("div");h.movable.setAttribute("style"," position:absolute;left:0;top:0;width:"+(h.width+27)+"px;height:"+h.vSpace+"px;line-height:"+h.vSpace+"px;background-color:#ddd;cursor:move;padding-left:75px;font-family:Sans-Serif;font-size:18px;");h.movable.innerHTML="Descartes";h.container.appendChild(h.movable);h.ctrs=[]};a.SpaceExternal.prototype.init=function(){function d(c){h.newPos=a.getCursorPosition(c,document.body);
h.container.style.left=h.initialPosition.x+(h.newPos.x-h.oldPos.x)*a.cssScale+"px";h.container.style.top=h.initialPosition.y+(h.newPos.y-h.oldPos.y)*a.cssScale+"px"}function f(a){a.preventDefault();document.body.removeEventListener("mousemove",d);document.body.removeEventListener("mouseup",f)}document.body.appendChild(this.container);h=this;for(var p=h.parent.evaluator.parser,c=0,l=h.ctrs.length;c<l;c++)h.ctrs[c].expresion=p.parse("(0,"+(h.vSpace+23+35*c)+","+h.width+",35)"),h.ctrs[c].update();h.numCtr=
l;c=new a.Button(h.parent,{region:"external",name:"english"==h.language?"about":"cr\u00e9ditos",font_size:p.parse("15"),expresion:p.parse("(0,"+h.vSpace+","+h.width/2+",25)")});c.actionExec={execute:a.showAbout};c.update();(new a.Button(h.parent,{region:"external",name:"config",font_size:p.parse("15"),action:"config",expresion:p.parse("("+h.width/2+","+h.vSpace+","+h.width/2+",25)")})).update();(new a.Button(h.parent,{region:"external",name:"english"==h.language?"init":"inicio",font_size:p.parse("15"),
action:"init",expresion:p.parse("(0,"+(h.vSpace+23+35*l)+","+h.width/2+",25)")})).update();(new a.Button(h.parent,{region:"external",name:"english"==h.language?"clear":"limpiar",font_size:p.parse("15"),action:"clear",expresion:p.parse("("+h.width/2+","+(h.vSpace+23+35*l)+","+h.width/2+",25)")})).update();p=new a.Button(h.parent,{region:"external",name:"english"==h.language?"close":"cerrar",font_size:p.parse("15"),expresion:p.parse("("+h.width/4+","+(h.vSpace+46+35*l)+","+h.width/2+",25)")});p.update();
p.canvas.addEventListener("click",function(a){h.hide()});h.setPositionAndSize();h.movable.addEventListener("mousedown",function(c){c.preventDefault();h.oldPos=a.getCursorPosition(c,document.body);h.initialPosition={x:h.container.offsetLeft,y:h.container.offsetTop};document.body.addEventListener("mousemove",d);document.body.addEventListener("mouseup",f)});h.hide()};a.SpaceExternal.prototype.addCtr=function(a){this.ctrs.push(a)};a.SpaceExternal.prototype.show=function(){this.setPositionAndSize();this.container.style.display=
"block"};a.SpaceExternal.prototype.hide=function(){this.container.style.display="none"};a.SpaceExternal.prototype.setPositionAndSize=function(){h=this;var a=h.vSpace+46+35*h.numCtr+25+10;h.container.style.left=Math.max(parseInt(window.innerWidth-h.width)/2,0)+"px";h.container.style.top="5px";h.container.style.height=window.innerHeight<h.vSpace+75?h.vSpace+75+"px":a>window.innerHeight-10?window.innerHeight-10:a+"px"};return a}(descartesJS||{}),descartesJS=function(a){var h,d;if(a.loadLib)return a;
var f=Math.floor,p=Math.round,c=2*Math.PI,l=a.convertFont("SansSerif,PLAIN,12"),k=a.convertFont("Monospaced,PLAIN,12"),b,u,g,r,q,t,v,e,n,w,m,x,A,C,D,E,H,F,J,B,z,I,G,M,y,L,K,N;a.Space2D=function(c,d){a.Space.call(this,c,d);b=this;b.ratio=c.ratio;b.canvas=document.createElement("canvas");b.canvas.setAttribute("id",b.id+"_canvas");b.canvas.setAttribute("class","DescartesSpace2DCanvas");b.backCanvas=document.createElement("canvas");b.backCanvas.setAttribute("id",b.id+"_background");b.canvas.style.zIndex=
b.zIndex;b.canvas.width=b.backCanvas.width=b.w*b.ratio;b.canvas.height=b.backCanvas.height=b.h*b.ratio;b.canvas.style.width=b.backCanvas.style.width=b.w+"px";b.canvas.style.height=b.backCanvas.style.height=b.h+"px";b.ctx=b.canvas.getContext("2d");b.backCtx=b.backCanvas.getContext("2d");b.ctx.imageSmoothingEnabled=b.backCtx.imageSmoothingEnabled=!1;b.graphicControlContainer=document.createElement("div");b.graphicControlContainer.setAttribute("id",b.id+"_graphicControls");b.graphicControlContainer.setAttribute("style",
"position:absolute;left:0;top:0;z-index:"+b.zIndex+";");b.numericalControlContainer=document.createElement("div");b.numericalControlContainer.setAttribute("id",b.id+"_numericalControls");b.numericalControlContainer.setAttribute("style","position:absolute;left:0;top:0;z-index:"+b.zIndex+";");b.container=document.createElement("div");b.container.setAttribute("id",b.id);b.container.setAttribute("class","DescartesSpace2DContainer");b.container.setAttribute("style","left:"+b.x+"px;top:"+b.y+"px;z-index:"+
b.zIndex+";");b.parent.arquimedes&&"#f0f8fa"===b.background.getColor()&&(b.container.style.border="1px solid #b8c4c8");b.container.appendChild(b.backCanvas);b.container.appendChild(b.canvas);b.container.appendChild(b.graphicControlContainer);b.container.appendChild(b.numericalControlContainer);c.container.insertBefore(b.container,c.loader);b.parent.images[b.id+".image"]=b.canvas;b.parent.images[b.id+".image"].ready=1;b.parent.images[b.id+".image"].complete=!0;b.parent.images[b.id+".image"].canvas=
!0;b.evaluator.setVariable(b.id+".image",b.id+".image");b.parent.images[b.id+".back"]=b.backCanvas;b.parent.images[b.id+".back"].ready=1;b.parent.images[b.id+".back"].complete=!0;b.parent.images[b.id+".back"].canvas=!0;b.evaluator.setVariable(b.id+".back",b.id+".back");var e=""!==b.id&&2!==c.version?b.id+".":"";b.OxStr=e+"Ox";b.OyStr=e+"Oy";b.scaleStr=e+"escala";b.wStr=e+"_w";b.hStr=e+"_h";b.mxStr=e+"mouse_x";b.myStr=e+"mouse_y";b.mpressedStr=e+"mouse_pressed";b.mclickedStr=e+"mouse_clicked";b.mclickIzqStr=
e+"clic_izquierdo";b.click=0;"descartesJS_stage"!==b.id?b.addEvents():b.canvas.oncontextmenu=function(a){return!1}};a.extend(a.Space2D,a.Space);a.Space2D.prototype.init=function(){b=this;b.uber.init.call(b);b.canvas&&(b.canvas.width=b.backCanvas.width=b.w*b.ratio,b.canvas.height=b.backCanvas.height=b.h*b.ratio,b.canvas.style.width=b.backCanvas.style.width=b.w+"px",b.canvas.style.height=b.backCanvas.style.height=b.h+"px")};a.Space2D.prototype.update=function(a){b=this;u=b.evaluator;g=b.parent;u.setVariable(b.wStr,
b.w);u.setVariable(b.hStr,b.h);b.drawIfValue=0<u.eval(b.drawif);if(b.drawIfValue){q=b.x!==u.eval(b.xExpr)+b.displaceRegionWest;t=b.y!==u.eval(b.yExpr)+g.plecaHeight+b.displaceRegionNorth;b.spaceChange=a||q||t||b.drawBefore!==b.drawIfValue||b.Ox!==u.getVariable(b.OxStr)||b.Oy!==u.getVariable(b.OyStr)||b.scale!==u.getVariable(b.scaleStr)||b.backColor!==b.background.getColor();b.x=q?u.eval(b.xExpr)+b.displaceRegionWest:b.x;b.y=t?u.eval(b.yExpr)+g.plecaHeight+b.displaceRegionNorth:b.y;b.Ox=u.getVariable(b.OxStr);
b.Oy=u.getVariable(b.OyStr);b.scale=u.getVariable(b.scaleStr);b.drawBefore=b.drawIfValue;b.scale=Math.max(1E-6,Math.min(1E6,b.scale));u.setVariable(b.scaleStr,b.scale);if(q||t)b.container.style.left=b.x+"px",b.container.style.top=b.y+"px";b.container.style.display="block";b.drawTrace=!b.spaceChange&&(!b.fixed&&!b.click||b.fixed);b.spaceChange&&(b.backCtx.setTransform(b.ratio,0,0,b.ratio,0,0),b.drawBackground());b.ctx.setTransform(b.ratio,0,0,b.ratio,0,0);b.draw()}else b.container.style.display="none"};
a.Space2D.prototype.drawBackground=function(){b=this;u=b.evaluator;r=b.backCtx;r.clearRect(0,0,b.backCanvas.width,b.backCanvas.height);b.backColor=b.background.getColor();r.fillStyle=b.backColor;r.fillRect(0,0,b.backCanvas.width,b.backCanvas.height);b.image&&""!=b.image.src&&b.image.ready&&b.image.complete&&("topleft"===b.bg_display?r.drawImage(b.image,0,0):"stretch"===b.bg_display?r.drawImage(b.image,0,0,b.w,b.h):"patch"===b.bg_display?(r.fillStyle=r.createPattern(b.image,"repeat"),r.fillRect(0,
0,b.w,b.h)):"imgcenter"===b.bg_display&&r.drawImage(b.image,(b.w-b.image.width)/2,(b.h-b.image.height)/2));e=b.scale;n=0;for(w=0>b.w+b.h?0:b.w+b.h;e>w;)e/=10,n++;for(;e<w/10;)e*=10;r.lineWidth=1;""!==b.net&&(r.strokeStyle=b.net.getColor(),b.drawMarks(r,e/10,-1));if(2!==b.parent.version&&""!==b.net10||2===b.parent.version&&""!==b.net&&""!==b.net10)r.strokeStyle=b.net10.getColor(),b.drawMarks(r,e,-1);if(""!==b.axes){r.strokeStyle=b.axes.getColor();r.beginPath();if(""!==b.x_axis||2!==b.parent.version)r.moveTo(0,
f(b.h/2+b.Oy)+.5),r.lineTo(b.w,f(b.h/2+b.Oy)+.5);if(""!==b.y_axis||2!==b.parent.version)r.moveTo(f(b.w/2+b.Ox)+.5,0),r.lineTo(f(b.w/2+b.Ox)+.5,b.h);r.stroke();b.drawMarks(r,e,4);b.drawMarks(r,e/2,2);b.drawMarks(r,e/10,1)}if(""!==b.x_axis||""!==b.y_axis)r.fillStyle=""!==b.axes?b.axes.getColor():"#000",r.font=l,r.textAlign="right",r.textBaseline="alphabetic",r.fillText(b.x_axis,f(b.w)-2,f(b.h/2+b.Oy)+12),r.fillText(b.y_axis,f(b.w/2+b.Ox)-2,12);b.numbers&&""!=b.axes&&(r.fillStyle=b.axes.getColor(),r.font=
l,r.textAlign="start",r.textBaseline="bottom",e>(b.w+b.h)/2?b.drawNumbers(r,e/5,e<=b.scale?n+1:n):e>(b.w+b.h)/4?b.drawNumbers(r,e/2,e<=b.scale?n+1:n):b.drawNumbers(r,e,n));for(var a=0,c=b.backGraphics.length;a<c;a++)b.backGraphics[a].draw()};a.Space2D.prototype.draw=function(){b=this;r=b.ctx;r.clearRect(0,0,b.canvas.width,b.canvas.height);for(var a=0,d=b.graphics.length;a<d;a++)v=b.graphics[a],""!==v.trace&&b.drawTrace&&v.drawTrace(),v.draw();a=0;for(d=b.graphicsCtr.length;a<d;a++)b.graphicsCtr[a].draw();
""!=b.text&&b.click&&"L"===b.whichBtn&&(r.fillStyle=b.text.getColor(),r.strokeStyle=r.fillStyle,r.lineWidth=1,r.font=k,r.textAlign="center",r.textBaseline="alphabetic",z=1>=b.scale?b.mouse_x.toFixed(0):b.mouse_x.toFixed(b.scale.toString().length),I=1>=b.scale?b.mouse_y.toFixed(0):b.mouse_y.toFixed(b.scale.toString().length),G="("+z+","+I+")",M=f(r.measureText(G).width/2),y=b.getAbsoluteX(b.mouse_x),L=b.getAbsoluteY(b.mouse_y),K=f(y),N=f(L-10),K+M>b.w?K=b.w-M:0>K-M&&(K=M),N+1>b.h?N=b.h:0>N-14&&(N=
15),r.fillText(G,K,N),r.beginPath(),r.arc(y,L,2.5,0,c,!0),r.stroke())};a.Space2D.prototype.drawMarks=function(a,b,c){m=this.w;x=this.h;H=0;F=m;J=0;B=x;D=f(m/2+this.Ox);E=f(x/2+this.Oy);0<=c&&(H=D-c,F=D+c,J=E-c,B=E+c);a.beginPath();for(c=-p(D/b);(A=D+p(c*b))<m;c++)a.moveTo(A+.5,J+.5),a.lineTo(A+.5,B+.5);for(c=-p(E/b);(C=E+p(c*b))<x;c++)a.moveTo(H+.5,C+.5),a.lineTo(F+.5,C+.5);a.stroke()};a.Space2D.prototype.drawNumbers=function(a,b,c){m=this.w;x=this.h;D=f(m/2+this.Ox);E=f(x/2+this.Oy);for(c=-p(D/b);(A=
D+p(c*b))<m;c++)a.fillText(parseFloat((c*b/this.scale).toFixed(4)),A+1,E-2);for(c=-p(E/b);(C=E+p(c*b))<x;c++)0!==parseFloat(-c*b/this.scale)&&a.fillText(parseFloat((-c*b/this.scale).toFixed(4)),D+5,C+5)};a.Space2D.prototype.addEvents=function(){function b(a){window.focus();if(f.evaluator.variables[f.id+".DESCARTESJS_no_fixed"]||!f.fixed||f.sensitive_to_mouse_movements)f.click=0,f.evaluator.setVariable(f.mpressedStr,0),f.evaluator.setVariable(f.mclickedStr,1),f.evaluator.setVariable(f.mclickIzqStr,
1),window.removeEventListener("touchmove",g),window.removeEventListener("touchend",b),a.stopPropagation(),a.preventDefault(),f.parent.update()}function c(b){window.focus();b.stopPropagation();b.preventDefault();f.click=0;f.evaluator.setVariable(f.mpressedStr,0);f.evaluator.setVariable(f.mclickedStr,1);f.evaluator.setVariable(f.mclickIzqStr,1);"R"===f.whichBtn&&(window.removeEventListener("mousemove",k),f.posZoom==f.posZoomNew&&a.showConfig&&(f.parent.externalSpace.show(),f.posZoom=!1,f.posZoomNew=
!0));window.removeEventListener("mousemove",g);window.removeEventListener("mouseup",c);f.parent.deactivateGraphiControls();f.parent.update()}function e(b){f.posAnte=a.getCursorPosition(b,f.container);f.mouse_x=f.getRelativeX(f.posAnte.x);f.mouse_y=f.getRelativeY(f.posAnte.y);f.evaluator.setVariable(f.mxStr,f.mouse_x);f.evaluator.setVariable(f.myStr,f.mouse_y);f.evaluator.setVariable(f.mclickedStr,0);f.evaluator.setVariable(f.mclickIzqStr,0);f.parent.update()}function k(b){b.preventDefault();f.posZoomNew=
a.getCursorPosition(b,f.container).y;f.evaluator.setVariable(f.scaleStr,f.tempScale+f.tempScale/45*((f.posZoom-f.posZoomNew)/10));f.parent.update()}function g(b){b.preventDefault();b.stopPropagation();f.fixed||(f.posNext=a.getCursorPosition(b,f.container),h=(f.posAnte.x-f.posNext.x).toFixed(8),d=(f.posAnte.y-f.posNext.y).toFixed(8),f.evaluator.setVariable(f.OxStr,f.Ox-h),f.evaluator.setVariable(f.OyStr,f.Oy-d));e(b)}var f=this;f.posZoom=null;f.posZoomNew=null;f.canvas.oncontextmenu=function(a){return!1};
this.sensitive_to_mouse_movements&&this.canvas.addEventListener("touchmove",e);this.canvas.addEventListener("touchstart",function(a){window.focus();if(f.evaluator.variables[f.id+".DESCARTESJS_no_fixed"]||!f.fixed||f.sensitive_to_mouse_movements)f.parent.clearClick(),f.click=1,f.evaluator.setVariable(f.mpressedStr,1),f.evaluator.setVariable(f.mclickedStr,0),f.evaluator.setVariable(f.mclickIzqStr,0),f.parent.deactivateGraphiControls(),e(a),window.addEventListener("touchmove",g),window.addEventListener("touchend",
b),a.stopPropagation(),a.preventDefault()});this.sensitive_to_mouse_movements&&this.canvas.addEventListener("mousemove",e);this.canvas.addEventListener("mousedown",function(b){window.focus();b.stopPropagation();b.preventDefault();f.parent.clearClick();f.click=1;f.parent.deactivateGraphiControls();f.whichBtn=a.whichBtn(b);"R"===f.whichBtn?(window.addEventListener("mouseup",c),f.posZoom=a.getCursorPosition(b,f.container).y,f.posZoomNew=f.posZoom,f.fixed||(f.tempScale=f.scale,window.addEventListener("mousemove",
k))):"L"===f.whichBtn&&(f.evaluator.setVariable(f.mpressedStr,1),f.evaluator.setVariable(f.mclickedStr,0),f.evaluator.setVariable(f.mclickIzqStr,0),e(b),window.addEventListener("mousemove",g),window.addEventListener("mouseup",c))});document.addEventListener("visibilitychange",function(a){c(a)})};return a}(descartesJS||{}),descartesJS=function(a){var h,d,f;function p(a,b){return b.depth-a.depth}function c(b,c){W=a.subtract3D(b,a.scalarProduct3D(c,a.dotProduct3D(b,c)));ia=a.add3D(b,a.scalarProduct3D(W,
-2));ja=a.norm3D(ia);return 0!==ja?a.scalarProduct3D(ia,1/ja):a.scalarProduct3D(b,-1)}if(a.loadLib)return a;var l=Math.floor,k=Math.round,b=Math.max,u=Math.cos,g=Math.sin,r=Math.sqrt,q=15*Math.PI/180,t=Math.cos(q),v=Math.sin(q),e=Math.tan(q),n,w,m,x,A,C,D,E,H,F,J,B,z,I,G,M,y,L,K,N,T,O=[],U,R,P,Q,S,ca,W,ia,ja,oa;a.Space3D=function(b,c){a.Space.call(this,b,c);m=this;m.backCanvas=document.createElement("canvas");m.backCanvas.setAttribute("id",m.id+"_background");m.backCanvas.setAttribute("width",m.w+
"px");m.backCanvas.setAttribute("height",m.h+"px");m.canvas=document.createElement("canvas");m.canvas.setAttribute("id",m.id+"_canvas");m.canvas.setAttribute("width",m.w+"px");m.canvas.setAttribute("height",m.h+"px");m.canvas.setAttribute("class","DescartesSpace3DCanvas");m.canvas.setAttribute("style","z-index: "+m.zIndex+";");m.ctx=m.canvas.getContext("2d");m.ctx.imageSmoothingEnabled=!1;m.parent.images[m.id+".image"]=m.canvas;m.parent.images[m.id+".image"].ready=1;m.parent.images[m.id+".image"].complete=
!0;m.evaluator.setVariable(m.id+".image",m.id+".image");m.graphicControlContainer=document.createElement("div");m.graphicControlContainer.setAttribute("id",m.id+"_graphicControls");m.graphicControlContainer.setAttribute("style","position: absolute; left: 0px; top: 0px; z-index: "+m.zIndex+";");m.numericalControlContainer=document.createElement("div");m.numericalControlContainer.setAttribute("id",m.id+"_numericalControls");m.numericalControlContainer.setAttribute("style","position: absolute; left: 0px; top: 0px; z-index: "+
m.zIndex+";");m.container=document.createElement("div");m.container.setAttribute("id",m.id);m.container.setAttribute("class","DescartesSpace3DContainer");m.container.setAttribute("style","left: "+m.x+"px; top: "+m.y+"px; z-index: "+m.zIndex+";");m.container.appendChild(m.backCanvas);m.container.appendChild(m.canvas);m.container.appendChild(m.graphicControlContainer);m.container.appendChild(m.numericalControlContainer);b.container.insertBefore(m.container,b.loader);m.eye={x:0,y:0,z:0};m.lights=[{x:50,
y:50,z:70},{x:50,y:-50,z:30},{x:20,y:0,z:-80},{x:0,y:0,z:0}];for(var d=0,e=m.lights.length;d<e;d++)m.lights[d]=a.normalize3D(m.lights[d]);m.light3={x:0,y:0,z:0};m.intensity=[.4,.5,.3,0];m.userIntensity=0;m.dim=1;m.tmpIntensity=[];m.OxStr=m.id+".Ox";m.OyStr=m.id+".Oy";m.scaleStr=m.id+".escala";m.wStr=m.id+"._w";m.hStr=m.id+"._h";m.obsStr=m.id+".observador";m.rotZStr=m.id+".rot.z";m.rotYStr=m.id+".rot.y";m.userIDimStr=m.id+".userIlum.dim";m.userIIStr=m.id+".userIlum.I";m.userIxStr=m.id+".userIlum.x";
m.userIyStr=m.id+".userIlum.y";m.userIzStr=m.id+".userIlum.z";m.new3DStr=m.id+"._3Dnew_";m.xOStr=m.id+".xO";m.yOStr=m.id+".yO";m.zOStr=m.id+".zO";m.AOStr=m.id+".AO";m.BOStr=m.id+".BO";m.COStr=m.id+".CO";m.zoomStr=m.id+".zoom";m.evaluator.setVariable(m.rotZStr,0);m.evaluator.setVariable(m.rotYStr,0);m.evaluator.setVariable(m.userIDimStr,m.dim);m.evaluator.setVariable(m.userIIStr,m.userIntensity);m.evaluator.setVariable(m.userIxStr,0);m.evaluator.setVariable(m.userIyStr,0);m.evaluator.setVariable(m.userIzStr,
0);m.addEvents()};a.extend(a.Space3D,a.Space);a.Space3D.prototype.init=function(a){m=this;m.uber.init.call(m);m.canvas&&(m.canvas.width=m.backCanvas.width=m.w,m.canvas.height=m.backCanvas.height=m.h,m.canvas.style.width=m.backCanvas.style.width=m.w+"px",m.canvas.style.height=m.backCanvas.style.height=m.h+"px");m.w_2=m.w/2;m.h_2=m.h/2;m.w_plus_h=m.w+m.h;m.oldMouse={x:0,y:0}};a.Space3D.prototype.update=function(a){m=this;n=m.evaluator;w=m.parent;m.new3D=0<n.getVariable(m.new3DStr);n.setVariable(m.wStr,
m.w);n.setVariable(m.hStr,m.h);m.drawIfValue=0<n.eval(m.drawif);if(m.drawIfValue){E=m.x!==n.eval(m.xExpr)+m.displaceRegionWest;H=m.y!==n.eval(m.yExpr)+w.plecaHeight+m.displaceRegionNorth;m.spaceChange=a||E||H||m.drawBefore!==m.drawIfValue||m.Ox!==n.getVariable(m.OxStr)||m.Oy!==n.getVariable(m.OyStr)||m.scale!==n.getVariable(m.scaleStr);m.x=E?n.eval(m.xExpr)+m.displaceRegionWest:m.x;m.y=H?n.eval(m.yExpr)+w.plecaHeight+m.displaceRegionNorth:m.y;m.Ox=n.getVariable(m.OxStr);m.Oy=n.getVariable(m.OyStr);
m.scale=n.getVariable(m.scaleStr);m.drawBefore=m.drawIfValue;if(a||void 0==m.observer){a=0;for(var c=m.parent.controls.length;a<c;a++)m.parent.controls[a].id===m.obsStr&&(oa=!0);m.observer=oa?n.getVariable(m.obsStr)||2.5*m.w_plus_h:2.5*m.w_plus_h;m.observer=b(m.observer,.25*m.w_plus_h);n.setVariable(m.obsStr,m.observer)}m.new3D?(void 0==n.getVariable(m.xOStr)&&n.setVariable(m.xOStr,m.observer/m.scale*t),void 0==n.getVariable(m.yOStr)&&n.setVariable(m.yOStr,0),void 0==n.getVariable(m.zOStr)&&n.setVariable(m.zOStr,
m.observer/m.scale*v),void 0==n.getVariable(m.AOStr)&&n.setVariable(m.AOStr,0),void 0==n.getVariable(m.BOStr)&&n.setVariable(m.BOStr,345),void 0==n.getVariable(m.COStr)&&n.setVariable(m.COStr,0),m.xO=n.getVariable(m.xOStr),m.yO=n.getVariable(m.yOStr),m.zO=n.getVariable(m.zOStr),m.AO=n.getVariable(m.AOStr),m.BO=n.getVariable(m.BOStr),m.CO=n.getVariable(m.COStr),m.zoom=n.getVariable(m.zoomStr),m.eye={x:parseFloat(n.getVariable(m.xOStr)),y:parseFloat(n.getVariable(m.yOStr)),z:parseFloat(n.getVariable(m.zOStr))}):
(m.D=m.observer/3,m.eye={x:m.D/m.scale,y:0,z:m.D/m.scale*e},m.RX0=m.Ox,m.RY0=m.Oy-m.D*e,m.bfactor=m.scale*m.eye.x,m.observer=b(n.getVariable(m.obsStr),.25*m.w_plus_h),m.observer!=n.getVariable(m.obsStr)&&(n.setVariable(m.obsStr,m.observer),m.parent.updateControls()));1E-6>m.scale?(m.scale=1E-6,n.setVariable(m.scaleStr,1E-6)):1E6<m.scale&&(m.scale=1E6,n.setVariable(m.scaleStr,1E6));if(E||H)m.container.style.left=m.x+"px",m.container.style.top=m.y+"px";m.container.style.display="block";m.dim=n.getVariable(m.userIDimStr);
m.userIntensity=n.getVariable(m.userIIStr);m.light3={x:parseInt(n.getVariable(m.userIxStr)),y:parseInt(n.getVariable(m.userIyStr)),z:parseInt(n.getVariable(m.userIzStr))};m.updateCamera();m.draw()}else m.container.style.display="none"};a.Space3D.prototype.updateCamera=function(){m=this;m.new3D?(m.D=m.scale*m.eye.x/t,m.XE=k(m.scale*m.eye.y+.5),m.YE=k(m.scale*m.eye.z+.5)):(m.D=m.observer/3,m.eye.x=m.D/m.scale,m.eye.y=0,m.eye.z=m.D/m.scale*e)};a.Space3D.prototype.rotateVertex=function(b){G=a.degToRad(m.evaluator.getVariable(m.rotZStr));
M=u(G);y=g(G);h=b.x*M-b.y*y;d=b.x*y+b.y*M;f=b.z;G=a.degToRad(m.evaluator.getVariable(m.rotYStr));M=u(G);y=g(G);return{x:f*y+h*M,y:d,z:f*M-h*y}};var pa,ka,X,Y,qa,la,da,Z,ra,ma,aa,ba,sa,ta,ua,va,wa,xa,ya,za,Aa,ea,fa,ga,ha,Ba,Ca,na;a.Space3D.prototype.project=function(a){m=this;if(m.new3D){B=m.eye.x-a.x;z=m.eye.y-a.y;I=m.eye.z-a.z;var b=r(B*B+z*z+I*I);pa=m.AO%360;ka=pa*Math.PI/180;X=Math.cos(ka);Y=Math.sin(ka);qa=m.BO%360;la=qa*Math.PI/180;da=Math.cos(la);Z=Math.sin(la);ra=m.CO%360;ma=ra*Math.PI/180;
aa=Math.cos(ma);ba=Math.sin(ma);sa=da*X;ta=-aa*da*Y-ba*Z;ua=-ba*da*Y+aa*Z;va=Y;wa=aa*X;xa=ba*X;ya=-Z*X;za=aa*Z*Y-ba*X;Aa=ba*Z*Y+aa*X;ea=-m.eye.x+a.x;fa=-m.eye.y+a.y;ga=-m.eye.z+a.z;ha=sa*ea+va*fa+ya*ga;Ba=ta*ea+wa*fa+za*ga;Ca=ua*ea+xa*fa+Aa*ga;na=parseFloat(m.evaluator.getVariable(m.zoomStr));return{x:this.getAbsoluteX(-na*Ba/ha),y:this.getAbsoluteY(-na*Ca/ha),z:0<ha?-b:b}}var c=m.bfactor/(a.x-m.eye.x);B=m.eye.x-a.x;z=m.eye.y-a.y;I=m.eye.z-a.z;b=r(B*B+z*z+I*I);B=this.w_2+m.RX0-c*(a.y-m.eye.y);z=this.h_2+
m.RY0+c*(a.z-m.eye.z);return{x:B,y:z,z:b}};a.Space3D.prototype.computeColor=function(b,d,e){b.match("rgba")?b=a.RGBAToHexColor(b):b.match("#")&&(b=new a.Color(b.substring(1)));Q=a.subtract3D(this.eye,d.average);S=a.norm3D(Q);ca=a.scalarProduct3D(Q,1/S);this.lights[3]=a.subtract3D(this.light3,d.average);T=a.norm3D(this.lights[3]);for(var k=0,f=this.intensity.length-1;k<f;k++)O[k]=this.intensity[k]*this.dim;O[3]=this.userIntensity*this.userIntensity/T||0;U=e?this.dim/2:this.dim/4;R=0;P=0<=d.direction?
d.normal:a.scalarProduct3D(d.normal,-1);k=0;for(f=this.lights.length;k<f;k++)e?(R=Math.max(0,a.dotProduct3D(c(this.lights[k],P),ca)),R*=R*R):R=Math.max(0,a.dotProduct3D(this.lights[k],P)),U+=O[k]*R;U=Math.min(U,1);L=l(b.r*U);K=l(b.g*U);N=l(b.b*U);return"rgba("+L+","+K+","+N+","+b.a+")"};a.Space3D.prototype.draw=function(){this.ctx.clearRect(0,0,this.canvas.width,this.canvas.height);this.ctx.fillStyle=this.background.getColor();this.ctx.fillRect(0,0,this.canvas.width,this.canvas.height);this.image&&
""!=this.image.src&&this.image.ready&&this.image.complete&&("topleft"===this.bg_display?this.ctx.drawImage(this.image,0,0):"stretch"===this.bg_display?this.ctx.drawImage(this.image,0,0,this.w,this.h):"patch"===this.bg_display?(this.ctx.fillStyle=ctx.createPattern(this.image,"repeat"),this.ctx.fillRect(0,0,this.canvas.width,this.canvas.height)):"center"===this.bg_display&&this.ctx.drawImage(this.image,(this.w-this.image.width)/2,(this.h-this.image.height)/2));for(var a=0,b=this.graphics.length;a<b;a++)this.graphics[a].update();
this.primitives=[];a=0;for(b=this.graphics.length;a<b;a++){x=this.graphics[a];if(x.split||this.split)for(var c=a+1;c<b;c++)A=this.graphics[c],(A.split||this.split)&&x.splitFace(A);this.primitives=this.primitives.concat(x.primitives||[])}C=this.primitives;D=C.length;for(a=0;a<D;a++)C[a].computeDepth(this);if("painter"===this.render)this.drawPainter(C);else for(C=C.sort(p),a=0;a<D;a++)C[a].passDraw&&C[a].draw(this.ctx,this);a=0;for(b=this.graphicsCtr.length;a<b;a++)this.graphicsCtr[a].draw()};var V;
a.renderNode=function(a){this.value=a;this.front=this.back=null};a.renderNode.prototype.inOrder=function(){var a=[];this.back&&(a=a.concat(this.back.inOrder()));a.push(this.value);this.front&&(a=a.concat(this.front.inOrder()));return a};a.Space3D.prototype.buildTree=function(b){if(0===b.length)return null;var c,d=[],e=[];V=b.shift();for(var k=0,f=b.length;k<f;k++){c=null;for(var g=0,h=b[k].spaceVertices.length;g<h;g++)whereIs=2<V.spaceVertices.length?this.inPlane2(V.spaceVertices[0],V.normal,b[k].spaceVertices[g]):
0,whereIs=0<V.direction?-whereIs:whereIs,null===c?0>whereIs?c="front":0<whereIs&&(c="back"):0>whereIs?"back"===c&&(c="cross"):0<whereIs&&"front"===c&&(c="cross");if("back"===c)d.push(b[k]);else if("front"===c)e.push(b[k]);else if(null==c)d.push(b[k]);else{c=null;g=0;for(h=V.spaceVertices.length;g<h;g++)whereIs=2<b[k].spaceVertices.length?this.inPlane2(b[k].spaceVertices[0],b[k].normal,V.spaceVertices[g]):-1,whereIs=0<b[k].direction?-whereIs:whereIs,null===c?0>whereIs?c="front":0<whereIs&&(c="back"):
0>whereIs?"back"===c&&(c="cross"):0<whereIs&&"front"===c&&(c="cross");"front"===c?d.push(b[k]):e.push(b[k])}}b=new a.renderNode(V);b.back=this.buildTree(d);b.front=this.buildTree(e);return b};a.Space3D.prototype.drawPainter=function(a){if(a=this.buildTree(a)){a=a.inOrder();for(var b=0;b<a.length;b++)a[b].passDraw&&a[b].draw(this.ctx,this)}};a.Space3D.prototype.inPlane=function(a,b,c,d){return parseFloat(((d.x-a.x)*(b.y-a.y)*(c.z-a.z)+(d.y-a.y)*(b.z-a.z)*(c.x-a.x)+(d.z-a.z)*(b.x-a.x)*(c.y-a.y)-(d.z-
a.z)*(b.y-a.y)*(c.x-a.x)-(d.y-a.y)*(b.x-a.x)*(c.z-a.z)-(d.x-a.x)*(b.z-a.z)*(c.y-a.y)).toFixed(8))};a.Space3D.prototype.inPlane2=function(a,b,c){return parseFloat((b.x*(c.x-a.x)+b.y*(c.y-a.y)+b.z*(c.z-a.z)).toFixed(8))};a.Space3D.prototype.addEvents=function(){function b(a){document.body.focus();g.click=0;g.evaluator.setVariable(g.id+".mouse_pressed",0);window.removeEventListener("touchmove",f,!1);window.removeEventListener("touchend",b,!1);a.preventDefault()}function c(b){document.body.focus();g.click=
0;g.evaluator.setVariable(g.id+".mouse_pressed",0);b.preventDefault();"R"===g.whichBtn&&(window.removeEventListener("mousemove",e,!1),g.posZoom==g.posZoomNew&&a.showConfig&&g.parent.externalSpace.show());window.removeEventListener("mousemove",f,!1);window.removeEventListener("mouseup",c,!1);g.parent.update()}function d(b){g.posAnte=a.getCursorPosition(b,g.container);g.mouse_x=g.getRelativeX(g.posAnte.x);g.mouse_y=g.getRelativeY(g.posAnte.y);g.evaluator.setVariable(g.id+".mouse_x",g.mouse_x);g.evaluator.setVariable(g.id+
".mouse_y",g.mouse_y);70<Date.now()-h&&(g.parent.update(),h=Date.now())}function e(b){b.preventDefault();g.posZoomNew=a.getCursorPosition(b,g.container).y;g.evaluator.setVariable(g.scaleStr,g.tempScale+g.tempScale/45*((g.posZoom-g.posZoomNew)/10));g.posObserverNew=a.getCursorPosition(b,g.container).x;g.evaluator.setVariable(g.obsStr,g.tempObserver-2.5*(g.posObserver-g.posObserverNew));g.parent.update()}function f(b){if(!g.fixed&&g.click){F=parseInt(50*(g.oldMouse.x-g.mouse_x));J=parseInt(50*(g.oldMouse.y-
g.mouse_y));if(F!==g.disp.x||J!==g.disp.y)g.alpha=a.degToRad(g.evaluator.getVariable(g.rotZStr)),g.beta=a.degToRad(-g.evaluator.getVariable(g.rotYStr)),g.alpha=k(a.radToDeg(g.alpha)-F),g.beta=k(a.radToDeg(g.beta)-J),g.evaluator.setVariable(g.rotZStr,g.alpha),g.evaluator.setVariable(g.rotYStr,-g.beta),g.disp.x=F,g.disp.y=J,g.oldMouse.x=g.getRelativeX(g.posAnte.x),g.oldMouse.y=g.getRelativeY(g.posAnte.y);d(b);b.preventDefault()}}var g=this,h=0;this.canvas.oncontextmenu=function(){return!1};this.canvas.addEventListener("touchstart",
function(c){document.body.focus();g.click=1;g.evaluator.setVariable(g.id+".mouse_pressed",1);g.parent.deactivateGraphiControls();g.posAnte=a.getCursorPosition(c,g.container);g.oldMouse.x=g.getRelativeX(g.posAnte.x);g.oldMouse.y=g.getRelativeY(g.posAnte.y);d(c);window.addEventListener("touchmove",f);window.addEventListener("touchend",b);c.preventDefault()});this.canvas.addEventListener("mousedown",function(b){document.body.focus();g.click=1;g.parent.deactivateGraphiControls();g.whichBtn=a.whichBtn(b);
"R"===g.whichBtn?(window.addEventListener("mouseup",c),g.posObserver=a.getCursorPosition(b,g.container).x,g.posObserverNew=g.posObserver,g.posZoom=a.getCursorPosition(b,g.container).y,g.posZoomNew=g.posZoom,g.fixed||(g.tempScale=g.scale,g.tempObserver=g.observer,window.addEventListener("mousemove",e))):"L"==g.whichBtn&&(g.evaluator.setVariable(g.id+".mouse_pressed",1),g.posAnte=a.getCursorPosition(b,g.container),g.oldMouse.x=g.getRelativeX(g.posAnte.x),g.oldMouse.y=g.getRelativeY(g.posAnte.y),d(b),
window.addEventListener("mousemove",f),window.addEventListener("mouseup",c));b.preventDefault()});this.disp={x:0,y:0}};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h;a.SpaceAP=function(d,f){a.Space.call(this,d,f);this.eVars=this.iVars=null;h=d.evaluator;this.file.match(/^\[/)&&this.file.match(/\]$/)?this.file=h.parser.parse(this.file.substring(1,this.file.length-1)):this.file.match(/^\'/)&&this.file.match(/\'$/)?this.file=h.parser.parse(this.file):this.file=h.parser.parse("'"+
this.file+"'");this.oldFile=h.eval(this.file);this.initFile()};a.extend(a.SpaceAP,a.Space);a.SpaceAP.prototype.initFile=function(){this.firstUpdate=!0;var d;if(this.oldFile){var f=document.getElementById(this.oldFile);d=f&&"descartes/spaceApFile"==f.type?f.text:a.openExternalFile(this.oldFile);null!=d&&(d=d.split("\n"))}if(d&&d.toString().match(/<applet/gi)){for(var f="",h=!1,c=0,l=d.length;c<l&&(d[c].match("<applet")&&(h=!0),h&&(f+=d[c]),!d[c].match("</applet"));c++);d=document.createElement("div");
d.innerHTML=f;d.firstChild.setAttribute("width",this.w);d.firstChild.setAttribute("height",this.h);f=this.descApp?this.descApp.container:null;this.descApp=new a.DescartesApp(d.firstChild);this.descApp.container.setAttribute("class","DescartesAppContainer");this.descApp.container.setAttribute("style","position:absolute;overflow:hidden;background-color:"+this.background+";width:"+this.w+"px;height:"+this.h+"px;left:"+this.x+"px;top:"+this.y+"px;z-index:"+this.zIndex+";");f?this.parent.container.replaceChild(this.descApp.container,
f):this.parent.container.insertBefore(this.descApp.container,this.parent.loader);this.descApp.container.style.display=0<this.evaluator.eval(this.drawif)?"block":"none";var k=this;this.descApp.update=function(){this.updateAuxiliaries();this.updateEvents();this.updateControls();this.updateSpaces();k.exportar()}}else f=this.descApp?this.descApp.container:null,this.descApp={},this.descApp.container=document.createElement("div"),this.descApp.container.setAttribute("class","DescartesAppContainer"),d="position:absolute;overflow:hidden;background-color:"+
this.background+";width:"+this.w+"px;height:"+this.h+"px;left:"+this.x+"px;top:"+this.y+"px;z-index:"+this.zIndex+";",this.image&&("topleft"==this.bg_display?d+="background-image: url("+this.imageSrc+"); background-repeat:no-repeat;":"stretch"==this.bg_display?d+="background-image: url("+this.imageSrc+"); background-repeat:no-repeat; background-size: 100% 100%;":"patch"==this.bg_display?d+="background-image: url("+this.imageSrc+");":"imgcenter"==this.bg_display&&(d+="background-image: url("+this.imageSrc+
"); background-repeat:no-repeat; background-position: center center;")),this.descApp.container.setAttribute("style",d),f?this.parent.container.replaceChild(this.descApp.container,f):this.parent.container.insertBefore(this.descApp.container,this.parent.loader),this.descApp.container.style.display=0<this.evaluator.eval(this.drawif)?"block":"none"};a.SpaceAP.prototype.update=function(){var a=this.evaluator.eval(this.file);if(this.oldFile!=a)this.oldFile=a,this.initFile();else{var a=this.x!=this.evaluator.eval(this.xExpr),
f=this.y!=this.evaluator.eval(this.yExpr)+this.plecaHeight;this.x=a?this.evaluator.eval(this.xExpr):this.x;this.y=f?this.evaluator.eval(this.yExpr)+this.plecaHeight:this.y;a&&(this.descApp.container.style.left=this.x+"px");f&&(this.descApp.container.style.top=this.y+"px");this.descApp.container.style.display=0<this.evaluator.eval(this.drawif)?"block":"none";if(this.firstUpdate&&(this.firstUpdate=!1,null==this.iVars)){this.iVars=[];for(var h in this.evaluator.variables)this.evaluator.variables.hasOwnProperty(h)&&
h.match(/^public./)&&this.iVars.push({varName:h,value:this.evaluator.getVariable(h)})}this.importar()}};a.SpaceAP.prototype.importar=function(){for(var a,f=!1,h=0,c=this.iVars.length;h<c;h++)a=this.evaluator.getVariable(this.iVars[h].varName),a!=this.iVars[h].value&&(this.iVars[h].value=a,this.descApp.evaluator.setVariable(this.iVars[h].varName,this.iVars[h].value),f=!0);f&&this.descApp.update()};a.SpaceAP.prototype.exportar=function(){};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;
var h,d,f,p,c,l;a.SpaceHTML_IFrame=function(c,b){a.Space.call(this,c,b);h=this.parent.evaluator;if(void 0!=this._w_){var d=h.parser.parse(this._w_);this._w_="number"!=d.type?d:void 0}void 0!=this._h_&&(d=h.parser.parse(this._h_),this._h_="number"!=d.type?d:void 0);this.isFirefox=/firefox/i.test(window.navigator.userAgent);this.file=this.file?this.file.trim():"";this.file.match(/^\[/)&&this.file.match(/\]$/)?this.file=h.parser.parse(this.file.substring(1,this.file.length-1)):this.file.match(/^\'/)&&
this.file.match(/\'$/)?this.file=h.parser.parse(this.file):this.file=h.parser.parse("'"+this.file+"'");this.oldFile=h.eval(this.file);this.MyIFrame=document.createElement("iframe");0!=this.oldFile&&this.MyIFrame.setAttribute("src",this.oldFile);this.MyIFrame.setAttribute("marginheight",0);this.MyIFrame.setAttribute("marginwidth",0);this.MyIFrame.setAttribute("frameborder",0);this.MyIFrame.setAttribute("scrolling","auto");this.MyIFrame.setAttribute("style","position:static;left:0px;top:0px;");this.container=
document.createElement("div");this.container.setAttribute("id",this.id);this.container.setAttribute("style",(a.isIOS?"overflow:scroll;-webkit-overflow-scrolling:touch;overflow-scrolling:touch;":"")+"position:absolute; width:"+this.w+"px;height:"+this.h+"px;left:"+this.x+"px;top:"+this.y+"px;z-index:"+this.zIndex+";background-repeat:no-repeat;background-position:center;");this.container.appendChild(this.MyIFrame);this.imageSrc&&(this.container.style.backgroundImage="url("+this.imageSrc+")");this.parent.container.insertBefore(this.container,
this.parent.loader);var g=this;this.MyIFrame.onload=function(a){var b=this;g.evaluator.setFunction(g.id+".set",function(a,c){b.contentWindow.postMessage({type:"set",name:a,value:c},"*");return 0});g.evaluator.setFunction(g.id+".update",function(){b.contentWindow.postMessage({type:"update"},"*");return 0});g.evaluator.setFunction(g.id+".exec",function(a,c){b.contentWindow.postMessage({type:"exec",name:a,value:c},"*");return 0});g.ImReady=!g.isFirefox;g.isFirefox||(g.container.style.visibility="visible",
g.container.style.opacity="1",g.container.style.zIndex=g.zIndex,g.container.style.display=g.drawIfValue?"block":"none");g.MyIFrame.style.visibility="visible";g.container.style.backgroundImage=""};this.update=this.iframeUpdate;this.evaluator.setVariable(this.id+"._scroll",0)};a.extend(a.SpaceHTML_IFrame,a.Space);a.SpaceHTML_IFrame.prototype.init=function(){c=this;c.uber.init.call(c);c.MyIFrame&&(c.MyIFrame.style.width=c.w+"px",c.MyIFrame.style.height=c.h+"px",c.MyIFrame.style.left=c.x+"px",c.MyIFrame.style.top=
c.y+"px")};a.SpaceHTML_IFrame.prototype.iframeUpdate=function(a){h=this.evaluator;this.drawIfValue=0<h.eval(this.drawif);this.ImReady?this.container.style.display=this.drawIfValue?"block":"none":(this.container.style.visibility=this.drawIfValue?"visible":"hidden",this.container.style.opacity=this.drawIfValue?"1":"0",this.container.style.zIndex=this.drawIfValue?this.zIndex:-1E3);if(this.drawIfValue){this.MyIFrame.contentWindow.focus();a&&(this.y=this.x=Infinity);d=this.x!==h.eval(this.xExpr)+this.displaceRegionWest;
f=this.y!==h.eval(this.yExpr)+this.parent.plecaHeight+this.displaceRegionNorth;this.x=d?h.eval(this.xExpr)+this.displaceRegionWest:this.x;this.y=f?h.eval(this.yExpr)+this.parent.plecaHeight+this.displaceRegionNorth:this.y;void 0!=this._w_&&(a=h.eval(this._w_),this.w!==a&&(this.container.style.width=a+"px",this.MyIFrame.style.width=a+"px",this.w=a));void 0!=this._h_&&(a=h.eval(this._h_),this.h!==a&&(this.container.style.height=a+"px",this.MyIFrame.style.height=a+"px",this.h=a));if(d||f)this.container.style.left=
this.x+"px",this.container.style.top=this.y+"px";p=h.eval(this.file);p!==this.oldFile&&(this.ImReady=!1,this.isFirefox||(this.container.style.display="block",this.container.style.visibility=this.drawIfValue?"visible":"hidden",this.container.style.opacity=this.drawIfValue?"1":"0",this.container.style.zIndex=this.drawIfValue?this.zIndex:-1E3),this.imageSrc&&(this.container.style.backgroundImage="url("+this.imageSrc+")"),this.MyIFrame.style.visibility="hidden",this.oldFile=p,this.MyIFrame.contentWindow.location.replace(p));
l=h.getVariable(this.id+"._scroll");1==l?(this.MyIFrame.setAttribute("scrolling","yes"),this.MyIFrame.style.overflow=""):-1==l?(this.MyIFrame.setAttribute("scrolling","no"),this.MyIFrame.style.overflow="hidden"):(this.MyIFrame.setAttribute("scrolling","auto"),this.MyIFrame.style.overflow="")}else this.MyIFrame.contentWindow.blur()};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f;a.DescartesLoader=function(c){var d=this;this.children=c.children;this.lessonParser=
c.lessonParser;this.images=c.images;this.images.length=c.images.length;this.audios=c.audios;this.audios.length=c.audios.length;this.descartesApp=c;var k=c.imgLoader?c.imgLoader:p(c.loader.width,c.loader.height,c.ratio);this.imageLoader=document.createElement("div");this.imageLoader.width=c.width;this.imageLoader.height=c.height;this.imageLoader.setAttribute("class","DescartesLoaderImage");this.imageLoader.setAttribute("style","background-image:url("+k+");background-size:cover;width:"+c.width+"px;height:"+
c.height+"px;");c.loader.appendChild(this.imageLoader);this.loaderBar=document.createElement("canvas");this.loaderBar.width=c.width;this.loaderBar.height=c.height;this.loaderBar.setAttribute("class","DescartesLoaderBar");this.loaderBar.setAttribute("style","width:"+c.width+"px;height:"+c.height+"px;");this.loaderBar.ctx=this.loaderBar.getContext("2d");c.loader.appendChild(this.loaderBar);this.barWidth=80;this.barHeight=Math.floor(c.loader.height/70);this.timer=a.setInterval(function(){d.drawLoaderBar(d.loaderBar.ctx,
c.width,c.height)},10);c.firstRun=!1;this.initPreloader()};a.DescartesLoader.prototype.initPreloader=function(){var c=this.children,d=this.images,k=this.audios,b=/[\w\.\-//]*(\.png|\.jpg|\.gif|\.svg)/gi,f=/[\w\.\-//]*(\.ogg|\.oga|\.mp3|\.wav)/gi;d["lib/DescartesCCLicense.png"]=a.getCCLImg();d["lib/DescartesCCLicense.png"].addEventListener("load",function(){this.ready=1});d["lib/DescartesCCLicense.png"].addEventListener("error",function(){this.errorload=1});var g,h,q,p,v,e;q=0;for(v=c.length;q<v;q++)if("rtf"!==
c[q].name){if(c[q].value.match(/'macro'|'makro'/g)){p="";var n;g=this.lessonParser.split(c[q].value);h=0;for(e=g.length;h<e;h++)"expresion"===babel[g[h][0]]&&(p=g[h][1]);p&&((n=document.getElementById(p))&&"descartes/macro"==n.type?n=n.text:(n=a.openExternalFile(p))&&!n.match(/tipo_de_macro/g)&&(n=null));if(n&&(g=n.match(b)))for(p=0,e=g.length;p<e;p++)h=g[p],h.toLowerCase().match(/vacio.gif$/)||""==h.substring(0,h.length-4)||(d[h]=new Image,d[h].addEventListener("load",function(){this.ready=1}),d[h].addEventListener("error",
function(){this.errorload=1}),d[h].src=h)}if(g=c[q].value.match(b))for(p=0,e=g.length;p<e;p++)h=g[p],h.toLowerCase().match(/vacio.gif$/)||""==h.substring(0,h.length-4)||(d[h]=new Image,d[h].addEventListener("load",function(){this.ready=1}),d[h].addEventListener("error",function(){this.errorload=1}),d[h].src=h);if(g=c[q].value.match(f))for(p=0,h=g.length;p<h;p++)this.initAudio(g[p])}for(var w in d)d.hasOwnProperty(w)&&this.images.length++;for(w in k)k.hasOwnProperty(w)&&this.audios.length++;var m=
this,x=this.images.length+this.audios.length;this.sep=2*(this.barWidth-2)/x;var A=function(){m.readys=0;for(var b in d)d.hasOwnProperty(b)&&(d[b].ready||d[b].errorload)&&m.readys++;for(b in m.audios)k.hasOwnProperty(b)&&(k[b].ready||k[b].errorload)&&m.readys++;m.readys!=x?a.setTimeout(A,30):(a.clearInterval(m.timer),m.descartesApp.initBuildApp())};A()};a.DescartesLoader.prototype.initAudio=function(c){var d=this.audios;d[c]=new Audio(c);d[c].filename=c;var k=function(){this.ready=1},b=function(){this.canPlayType("audio/"+
this.filename.substring(this.filename.length-3))||"mp3"!=this.filename.substring(this.filename.length-3)?(console.log("El archivo '"+c+"' no puede ser reproducido"),this.errorload=1):(d[c]=new Audio(this.filename.replace("mp3","ogg")),d[c].filename=this.filename.replace("mp3","ogg"),d[c].addEventListener("canplaythrough",k),d[c].addEventListener("load",k),d[c].addEventListener("error",b),d[c].load())};d[c].addEventListener("canplaythrough",k);d[c].addEventListener("load",k);d[c].addEventListener("error",
b);a.hasTouchSupport?(d[c].load(),d[c].play(),a.setTimeout(function(){d[c].pause()},20),d[c].ready=1):d[c].load()};a.DescartesLoader.prototype.drawLoaderBar=function(a,l,k){d=this.barWidth;f=this.barHeight;a.translate(l/2,(k-65*h)/2+90*h);a.scale(h,h);a.strokeRect(-d,-f,2*d,f);a.fillStyle="#888";a.fillRect(-d+2,-f+2,2*(d-2),f-4);a.fillStyle="#1f358d";a.fillRect(-d+2,-f+2,this.readys*this.sep,f-4);a.setTransform(1,0,0,1,0,0)};var p=function(a,d,k){var b=document.createElement("canvas");k=5E6<a*this.ratio*
d*this.ratio?1:k;b.width=a*k;b.height=d*k;b.style.width=a+"px";b.style.height=d+"px";var f=b.getContext("2d");f.save();f.setTransform(k,0,0,k,0,0);f.strokeStyle=f.fillStyle="#1f358d";f.lineCap="round";f.lineWidth=2;f.beginPath();h=a<d?a/360:d/195;h=2.5<h?2.5:h;f.translate((a-120*h)/2,(d-65*h)/2);f.scale(h,h);f.moveTo(3,25);f.lineTo(3,1);f.lineTo(21,1);f.bezierCurveTo(33,1,41,15,41,25);f.stroke();f.beginPath();f.moveTo(1,63);f.lineTo(1,64);f.moveTo(5,62);f.lineTo(5,64);f.moveTo(9,61);f.lineTo(9,64);
f.moveTo(13,60);f.lineTo(13,64);f.moveTo(17,58);f.lineTo(17,64);f.moveTo(21,56);f.lineTo(21,64);f.moveTo(25,53);f.lineTo(25,64);f.moveTo(29,50);f.lineTo(29,64);f.moveTo(33,46);f.lineTo(33,64);f.moveTo(37,41);f.lineTo(37,64);f.moveTo(41,32);f.lineTo(41,64);f.stroke();f.font="20px descartesJS_sansserif, Arial, Helvetica, Sans-serif";f.fillText("escartes",45,33);f.fillText("JS",98,64);f.restore();return b.toDataURL()};return a}(descartesJS||{}),descartesJS=function(a){function h(a){for(var b="[",c=0,
d=a.length;c<d;c++)a[c]instanceof Array?b+=h(a[c]):(f=a[c],"undefined"!=typeof f&&f||(f=0),"string"==typeof f&&(f="'"+f+"'"),b+=f),c<d-1&&(b+=",");return b+"]"}function d(){p=window.innerWidth/this.width;c=window.innerHeight/this.height;l=Math.min(p,c);a.cssScale=l.toFixed(3);this.container.parentNode.setAttribute("align","");this.container.style.transformOrigin="0 0";p<c?(this.container.style.left="",this.container.style.transform="perspective(1px) scale("+l+") translate3d(0, 0, 0)"):(this.container.style.left=
"50%",this.container.style.transform="perspective(1px) scale("+l+") translate3d(-50%, 0, 0)")}if(a.loadLib)return a;a.DescartesApp=function(c){this.animation={playing:!1,stop:function(){}};this.ratio=a._ratio;this.applet=c;this.parentC=c.parentNode;this.width=parseFloat(c.getAttribute("width"));this.height=parseFloat(c.getAttribute("height"));this.decimal_symbol=".";this.decimal_symbol_regexp=new RegExp("\\"+this.decimal_symbol,"g");this.language="espa\u00f1ol";this.children=c.getElementsByTagName("param");
a.ccLicense=!0;for(var b=0,d=this.children.length;b<d;b++)"CreativeCommonsLicense"===this.children[b].name&&(a.ccLicense="no"===this.children[b].value?!1:!0);this.code=c.getAttribute("code");this.saveState=[];this.images={};this.images.length=-1;this.audios={};this.audios.length=-1;this.firstRun=!0;this.scaleToFit=function(){};this.init()};a.DescartesApp.prototype.init=function(){this.stop();this.evaluator=new a.Evaluator(this);this.lessonParser=new a.LessonParser(this);this.arquimedes=/DescartesWeb2_0|Arquimedes|Discurso/i.test(this.code);
this.licenseA=a.ccLicense?"{\\rtf1\\uc0{\\fonttbl\\f0\\fcharset0 Arial;\\f1\\fcharset0 Arial;\\f2\\fcharset0 Arial;\\f3\\fcharset0 Arial;\\f4\\fcharset0 Arial;}{\\f0\\fs34 __________________________________________________________________________________\\par \\fs22                                        Los contenidos de esta unidad did\u00e1ctica interactiva est\u00e1n bajo una {\\*\\hyperlink licencia Creative Commons|http://creativecommons.org/licenses/by-nc-sa/4.0/}, si no se indica lo contrario.\\par                                        La unidad did\u00e1ctica fue creada con Arqu\u00edmedes, que es un producto de c\u00f3digo abierto, {\\*\\hyperlink Creditos|http://arquimedes.matem.unam.mx/Descartes5/creditos/conCCL.html}\\par }":
"";for(var c=this.children,b,f=0,g=0,h=a.ccLicense?90:0,l=0,p=c.length;l<p;l++)b=c[l],"rtf_height"==b.name&&(f=parseInt(b.value)||this.height),"Buttons"==babel[b.name]&&(this.buttonsConfig=this.lessonParser.parseButtonsConfig(b.value),g=this.buttonsConfig.height),"image_loader"==b.name&&(this.imgLoader=b.value),"expand"==b.name&&("cover"==b.value?this.expand=b.value:"fit"==b.value&&(this.scaleToFit=d)),"docBase"==b.name&&(this.docBase=b.value,b=document.createElement("base"),b.setAttribute("id","descartesJS_base"),
b.setAttribute("href",this.docBase),document.head.appendChild(b));this.expand&&"cover"==this.expand&&(this.width=window.innerWidth,this.height=window.innerHeight);this.arquimedes&&(this.ratio=1,f&&(this.height=f+g+h));this.spaces=[];this.externalSpace&&document.body.removeChild(this.externalSpace.container);this.externalSpace=new a.SpaceExternal(this);this.northSpace={container:document.createElement("div"),controls:[]};this.southSpace={container:document.createElement("div"),controls:[]};this.eastSpace=
{container:document.createElement("div"),controls:[]};this.westSpace={container:document.createElement("div"),controls:[]};this.editableRegion={container:document.createElement("div"),textFields:[]};a.Editor&&(this.editor=new a.Editor(this));this.controls=[];this.auxiliaries=[];this.events=[];this.nIframes=this.plecaHeight=this.tabindex=this.zIndex=0;void 0!=this.container&&this.parentC.removeChild(this.container);this.container=document.createElement("div");this.loader=document.createElement("div");
this.parentC.appendChild(this.container);this.container.width=this.width;this.container.height=this.height;this.container.setAttribute("class","DescartesAppContainer");this.container.setAttribute("style","width:"+this.width+"px;height:"+this.height+"px;");this.scaleToFit();this.container.appendChild(this.loader);this.loader.width=this.width;this.loader.height=this.height;this.loader.setAttribute("class","DescartesLoader");this.loader.setAttribute("style","width:"+this.width+"px;height:"+this.height+
"px;z-index:1000;");this.imgLoader&&(this.loader.style.backgroundColor="rgba(0,0,0,0)");this.firstRun?this.descartesLoader=new a.DescartesLoader(this):this.initBuildApp()};a.DescartesApp.prototype.initBuildApp=function(){a.showConfig=!0;for(var c=this.children,b=this.lessonParser,d=[],f=[],h=[],l=[],p=[],v=[],e,n=0,w=c.length;n<w;n++)if(e=c[n],"editable"==babel[e.name]&&(a.showConfig="false"==babel[e.value]?!1:!0),"language"==babel[e.name]&&(this.language=e.value),"pleca"==e.name)e=b.parsePleca(e.value,
this.width),this.container.insertBefore(e,this.loader),this.plecaHeight=e.imageHeight?e.imageHeight:e.offsetHeight;else if("Buttons"==babel[e.name])this.buttonsConfig=b.parseButtonsConfig(e.value);else if("decimal_symbol"==babel[e.name])this.decimal_symbol=e.value,this.decimal_symbol_regexp=new RegExp("\\"+this.decimal_symbol,"g");else if("version"==babel[e.name])this.version=parseInt(e.value);else if("language"==babel[e.name])this.language=e.value;else if("rtf"==e.name){var m=(this.width-780)/2,
x=parseInt(this.height)-this.plecaHeight-this.buttonsConfig.height-45;l.push("space='descartesJS_stage' type='text' expresion='[10,20]' background='yes' text='"+e.value.replace(/'/g,"&squot;")+"'");l.push("space='descartesJS_stage' type='text' expresion='["+m+","+(x-25)+"]' background='yes' text='"+this.licenseA+"'");a.ccLicense&&l.push("space='descartesJS_stage' type='image' expresion='["+(m+15)+","+x+"]' background='yes' abs_coord='yes' file='lib/DescartesCCLicense.png'")}else if("E"==e.name.charAt(0))e.value.match(/'HTMLIFrame'/)&&
this.nIframes++,d.push(e.value);else if(/^C_/.test(e.name))f.push(e.value);else if(/^A_/.test(e.name))h.push(e.value);else if(/^G_/.test(e.name)){if(e.value.match("type='fill'")||e.value.match("tipo='relleno'")||e.value.match("tipus='ple'")||e.value.match("mota='betea'")||e.value.match("type='plein'")||e.value.match("tipo='recheo'")||e.value.match("tipo='curva_piena'")||e.value.match("tipo='preencher'")||e.value.match("tipus='ple'"))this.ratio=1;l.push(e.value)}else/^S_/.test(e.name)?p.push(e.value):
"Animation"==babel[e.name]&&v.push(e.value);this.stage={container:document.createElement("div"),scroll:0};this.stage.container.setAttribute("id","descartesJS_Stage");this.stage.stageSpace=this.lessonParser.parseSpace("tipo='R2' id='descartesJS_stage' fondo='blanco' x='0' y='0' fijo='yes' red='no' red10='no' ejes='no' text='no' ancho='"+this.width+"' alto='"+this.height+"'");this.stage.container.appendChild(this.stage.stageSpace.container);this.arquimedes&&(this.container.appendChild(this.stage.container),
this.spaces.push(this.stage.stageSpace));n=0;for(w=d.length;n<w;n++)c=b.parseSpace(d[n]),this.arquimedes&&this.stage.container.appendChild(c.container),this.spaces.push(c),this.zIndex++;n=0;for(w=l.length;n<w;n++)if(d=b.parseGraphic(l[n]))d.visible&&(this.editableRegionVisible=!0),d.space.addGraph(d);n=0;for(w=p.length;n<w;n++)(d=b.parse3DGraphic(p[n]))&&d.space.addGraph(d,!0);n=0;for(w=f.length;n<w;n++)this.controls.push(b.parseControl(f[n]));n=0;for(w=h.length;n<w;n++)b.parseAuxiliar(h[n]);n=0;
for(w=v.length;n<w;n++)this.animation=b.parseAnimation(v[n]);this.configRegions();this.updateAuxiliaries();this.updateAuxiliaries();n=0;for(w=this.controls.length;n<w;n++)this.controls[n].init();this.updateControls();this.updateSpaces(!0);var A=this;this.nIframes?a.setTimeout(function(){A.finishInit()},200*this.nIframes):this.finishInit()};a.DescartesApp.prototype.finishInit=function(){this.evaluator.setVariable("decimalSymbol",this.decimal_symbol);this.update();this.loader.style.display="none";window.parent!==
window&&(this.parentC.style.margin="0px",this.parentC.style.padding="0px",window.parent.postMessage({type:"reportSize",href:window.location.href,width:this.width,height:this.height},"*"),window.parent.postMessage({type:"ready",value:window.location.href},"*"),a.onResize());window.opener&&window.opener.postMessage({type:"isResizeNeeded",href:window.location.href},"*");this.externalSpace.init();var c;try{c=new CustomEvent("descartesReady",{detail:""})}catch(b){c=document.createEvent("CustomEvent"),
c.initCustomEvent("descartesReady",!1,!1,{cmd:""})}window.dispatchEvent(c)};a.DescartesApp.prototype.adjustSize=function(){document.body.style.margin="0px";document.body.style.padding="0px";this.parentC.style.margin="0px";this.parentC.style.padding="0px";var c=parseInt(this.width)+30,b=parseInt(this.height)+90;window.moveTo((parseInt(screen.width)-c)/2,(parseInt(screen.height)-b)/2);window.resizeTo(c,b);a.onResize()};a.DescartesApp.prototype.adjustDimensions=function(){var a,b,c;if(void 0==this.init_w||
void 0==this.init_h)this.init_w=parseInt(this.container.style.width),this.init_h=parseInt(this.container.style.height);b=parseInt(this.parentC.offsetWidth);a=this.init_w;c=b/a;a>b?(this.parentC!=document.body&&(this.parentC.style.height=this.init_h*c+"px"),this.percent=c,this.container.style.webkitTransform=this.container.style.MozTransform="scale("+c+")",this.container.style.webkitTransformOrigin=this.container.style.MozTransformOrigin="top left"):(this.parentC!=document.body&&(this.parentC.style.height=
"auto"),this.percent=1,this.container.style.webkitTransform=this.container.style.MozTransform="",this.container.style.webkitTransformOrigin=this.container.style.MozTransformOrigin="")};a.DescartesApp.prototype.configRegions=function(){var c=this.evaluator.parser,b=this.buttonsConfig,d=this.container,f="15",h=100,l=100,p=100,v=100;2==this.version&&(f="14",h=63,l=50,p=44,v=53);var e=0,n=0,w=0,m=0,x=0,A=0,C=0,D=0,E=0,C=this.northSpace.controls,D=this.southSpace.controls,H=this.eastSpace.controls,x=this.westSpace.controls;
if(0<b.rowsNorth||0<C.length||b.about||b.config){0>=b.rowsNorth?(e=b.height,b.rowsNorth=1):e=b.height*b.rowsNorth;A=this.northSpace.container;A.setAttribute("id","descartesJS_north");A.setAttribute("style","width:"+d.width+"px; height:"+e+"px; background:#c0c0c0; position:absolute; left:0px; top: "+this.plecaHeight+"px; z-index:100;");d.insertBefore(A,this.loader);var A=d.width,F=0;b.about?(F=h,A-=F):h=0;b.config&&(A-=l);for(var J=Math.ceil(C.length/b.rowsNorth),B=A/J,m=0,z=C.length;m<z;m++)C[m].expresion=
c.parse("("+(F+m%J*B)+","+b.height*Math.floor(m/J)+","+B+","+b.height+")"),C[m].drawif=c.parse("1"),C[m].init();b.about&&(m=new a.Button(this,{region:"north",name:"english"==this.language?"about":"cr\u00e9ditos",font_size:c.parse(f),expresion:c.parse("(0, 0, "+h+", "+e+")")}),m.actionExec={execute:a.showAbout},m.update());b.config&&(new a.Button(this,{region:"north",name:"config",font_size:c.parse(f),action:"config",expresion:c.parse("("+(A+h)+", 0, "+l+", "+e+")")})).update()}if(0<b.rowsSouth||0<
D.length||b.init||b.clear){0>=b.rowsSouth?(n=b.height,b.rowsSouth=1):n=b.height*b.rowsSouth;C=d.width;F=0;b.init?(F=p,C-=F):p=0;b.clear&&(C-=v);A=this.southSpace.container;A.setAttribute("id","descartesJS_south");A.setAttribute("style","width:"+d.width+"px; height:"+n+"px; background:#c0c0c0; position:absolute; left: 0px; top:"+(d.height-n)+"px; z-index:100;");d.insertBefore(A,this.loader);J=Math.ceil(D.length/b.rowsSouth);B=C/J;m=0;for(z=D.length;m<z;m++)D[m].expresion=c.parse("("+(F+m%J*B)+","+
b.height*Math.floor(m/J)+","+B+","+b.height+")"),D[m].drawif=c.parse("1"),D[m].init();b.init&&(new a.Button(this,{region:"south",name:"english"==this.language?"init":"inicio",font_size:c.parse(f),action:"init",expresion:c.parse("(0, 0, "+p+", "+n+")")})).update();b.clear&&(new a.Button(this,{region:"south",name:"english"==this.language?"clear":"limpiar",font_size:c.parse(f),action:"clear",expresion:c.parse("("+(C+p)+", 0, "+v+", "+n+")")})).update()}if(0<H.length)for(w=d.height-e-n,D=b.widthEast,
A=this.eastSpace.container,A.setAttribute("id","descartesJS_east"),A.setAttribute("style","width:"+D+"px; height:"+w+"px; background:#c0c0c0; position:absolute; left:"+(d.width-D)+"px; top:"+e+"px; z-index:100;"),d.insertBefore(A,this.loader),m=0,z=H.length;m<z;m++)H[m].expresion=c.parse("(0,"+b.height*m+","+D+","+b.height+")"),H[m].drawif=c.parse("1"),H[m].init();if(0<x.length)for(m=d.height-e-n,E=b.widthWest,A=this.westSpace.container,A.setAttribute("id","descartesJS_west"),A.setAttribute("style",
"width: "+E+"px; height: "+m+"px; background: #c0c0c0; position: absolute; left: 0px; top: "+e+"px; z-index: 100;"),d.insertBefore(A,this.loader),m=0,z=x.length;m<z;m++)x[m].expresion=c.parse("(0,"+b.height*m+","+E+","+b.height+")"),x[m].drawif=c.parse("1"),x[m].init();if(this.editableRegionVisible)for(x=b.height,A=this.editableRegion.container,A.setAttribute("id","descartesJS_editableRegion"),A.setAttribute("style","width:"+d.width+"px; height:"+x+"px; position:absolute; left:0px; top:"+(d.height-
n-b.height)+"px; z-index:100; background:#c0c0c0; overflow:hidden;"),d.insertBefore(A,this.loader),c=this.editableRegion.textFields,d=d.width/c.length,b=a.getFieldFontSize(x),m=0,z=c.length;m<z;m++)"div"==c[m].type?(A.appendChild(c[m].container),c[m].container.setAttribute("style","font-family:descartesJS_sansserif,Arial,Sans-serif;width:"+(d-4)+"px;height:"+x+"px;position:absolute;left:"+m*d+"px;top:0;"),f=c[m].container.firstChild,f.setAttribute("style","font-family:descartesJS_sansserif,Arial,Sans-serif;font-size:"+
b+"px;padding-top:0%;background-color:#e0e4e8;position:absolute;left:0;top:0;height:"+x+"px;text-align:center;line-height:"+x+"px;"),h=f.offsetWidth,f.style.width=h+"px",f.firstChild.textContent=f.firstChild.textContent.substring(3,f.firstChild.textContent.length-3),c[m].container.lastChild.setAttribute("style","font-family:descartesJS_monospace,'Courier New',Monospace;font-size:"+b+"px;width:"+(d-h)+"px;height:"+x+"px;position:absolute;left:"+h+"px;top:0;border:2px groove white;")):(A.appendChild(c[m]),
c[m].setAttribute("style","font-family:descartesJS_monospace,'Courier New',Monospace;font-size:"+b+"px;width:"+d+"px;height:"+x+"px;position:absolute;left:"+m*d+"px;top:0;border:2px groove white;"));this.displaceRegionNorth=e;this.displaceRegionSouth=n;this.displaceRegionEast=w;this.displaceRegionWest=E;m=0;for(z=this.spaces.length;m<z;m++)this.spaces[m].init()};a.DescartesApp.prototype.update=function(){this.updateAuxiliaries();this.updateControls();this.updateEvents();this.updateControls();this.updateSpaces()};
a.DescartesApp.prototype.clearClick=function(){for(var a=0,b=this.spaces.length;a<b;a++)this.spaces[a].clearClick()};a.DescartesApp.prototype.deactivateGraphiControls=function(){for(var a,b=0,c=this.controls.length;b<c;b++)a=this.controls[b],"graphic"==a.type&&a.deactivate()};a.DescartesApp.prototype.updateAuxiliaries=function(){for(var a=0,b=this.auxiliaries.length;a<b;a++)this.auxiliaries[a].update()};a.DescartesApp.prototype.updateEvents=function(){for(var a=0,b=this.events.length;a<b;a++)this.events[a].update()};
a.DescartesApp.prototype.updateControls=function(){for(var a=0,b=this.controls.length;a<b;a++)this.controls[a].update()};a.DescartesApp.prototype.updateSpaces=function(a){for(var b=0,c=this.spaces.length;b<c;b++)this.spaces[b].update(a)};a.DescartesApp.prototype.clear=function(){for(var a=0,b=this.spaces.length;a<b;a++)this.spaces[a].spaceChange=!0,this.spaces[a].drawBackground&&this.spaces[a].drawBackground()};a.DescartesApp.prototype.play=function(){this.animation&&this.animation.play()};a.DescartesApp.prototype.stop=
function(){this.animation&&this.animation.stop()};a.DescartesApp.prototype.reinitAnimation=function(){this.animation&&this.animation.reinit()};a.DescartesApp.prototype.stopAudios=function(){this.stop();for(var a in this.audios)this.audios.hasOwnProperty(a)&&this.audios[a].pause&&(this.audios[a].pause(),this.audios[a].currentTime=0)};a.DescartesApp.prototype.getImage=function(a){var b=this.images;return a?(b[a]||(b[a]=new Image,b[a].addEventListener("load",function(){this.ready=1}),b[a].addEventListener("error",
function(){this.ready=0;this.errorload=1}),b[a].src=a),b[a]):new Image};a.DescartesApp.prototype.getAudio=function(c){var b=this.audios;if(c){if(!b[c]){var d=c.lastIndexOf("."),d=-1===d?c.lenght:d;c.substring(0,d);b[c]=new Audio(c);var f=function(a){this.ready=1};b[c].addEventListener("canplaythrough",f);var h=function(a){this.canPlayType("audio/"+c.substring(c.length-3))||"mp3"!=c.substring(c.length-3)?(console.log("El archivo '"+c+"' no puede ser reproducido"),this.errorload=1):(b[c]=new Audio(c.replace("mp3",
"ogg")),b[c].addEventListener("canplaythrough",f),b[c].addEventListener("load",f),b[c].addEventListener("error",h),b[c].load())};b[c].addEventListener("error",h);b[c].play();a.setTimeout(function(){b[c].pause()},15)}return b[c]}return new Audio};a.DescartesApp.prototype.getControlByCId=function(a){for(var b,c=0,d=this.controls.length;c<d;c++)if(b=this.controls[c],b.cID==a)return b;return{update:function(){},w:0}};a.DescartesApp.prototype.getControlById=function(a){for(var b,c=0,d=this.controls.length;c<
d;c++)if(b=this.controls[c],b.id==a)return b;return{update:function(){}}};a.DescartesApp.prototype.getSpaceByCId=function(a){for(var b,c=0,d=this.spaces.length;c<d;c++)if(b=this.spaces[c],b.cID==a)return b;return{update:function(){},w:0}};a.DescartesApp.prototype.getSpaceById=function(a){for(var b,c=0,d=this.spaces.length;c<d;c++)if(b=this.spaces[c],b.id==a)return b;return{update:function(){},w:0}};var f;a.DescartesApp.prototype.getState=function(){var a,b="",c=this.evaluator.variables,d;for(d in c)c.hasOwnProperty(d)&&
(a=c[d],"string"==typeof a&&(a="'"+a+"'"),void 0!=a&&"rnd"!=d&&"pi"!=d&&"e"!=d&&"Infinity"!=d&&"-Infinity"!=d&&"object"!=typeof a&&(b=""!=b?b+"\n"+d+"="+a:d+"="+a));var c=this.evaluator.vectors,f;for(f in c)c.hasOwnProperty(f)&&(a=c[f],b=b+"\n"+f+"="+h(a));f=this.evaluator.matrices;for(var l in f)f.hasOwnProperty(l)&&(a=f[l],b=b+"\n"+l+"="+h(a));return b};a.DescartesApp.prototype.setState=function(a,b){for(var c=a.split("\n"),d,f,h=0,l=c.length;h<l;h++)d=c[h].split("="),2<=d.length&&(f=eval(d[1]),
-1!=d[1].indexOf("[[")?(this.evaluator.matrices[d[0]]=f,this.evaluator.matrices[d[0]].rows=f.length,this.evaluator.matrices[d[0]].cols=f[0].length):-1!=d[1].indexOf("[")?(this.evaluator.vectors[d[0]]=f,this.evaluator.variables[d[0]+".long"]=f.length):this.evaluator.variables[d[0]]=f);b||this.update()};a.DescartesApp.prototype.getEvaluation=function(){for(var a=0,b=0,c="",d=0,f=this.controls.length;d<f;d++)"textfield"==this.controls[d].gui&&this.controls[d].evaluate&&(a++,b+=this.controls[d].ok,this.controls[d].value=
""==this.controls[d].value?"''":this.controls[d].value,c+=" \\n "+this.controls[d].id+"="+this.controls[d].value+"|"+this.controls[d].ok);return"questions="+a+" \\n correct="+b+" \\n wrong="+(a-b)+c};a.DescartesApp.prototype.showSolution=function(){for(var a=this.controls,b=0,c=a.length;b<c;b++)"textfield"==a[b].gui&&a[b].evaluate&&a[b].changeValue(a[b].getFirstAnswer());this.update()};a.DescartesApp.prototype.showAnswer=function(){for(var a=0,b=this.saveState.length;a<b;a++)this.evaluator.eval(this.saveState[a]);
this.update()};var p,c,l;return a}(descartesJS||{}),descartesJS=function(a){function h(){var a=document.getElementById("StyleDescartesApps");a&&a.parentNode.removeChild(a);a=document.createElement("style");a.id="StyleDescartesApps";a.type="text/css";a.setAttribute("rel","stylesheet");a.innerHTML="applet.DescartesJS {display:none;} applet {display:none;} ajs.DescartesJS {display:none;} ajs {display:none;}";document.head.appendChild(a)}function d(c){c=document.createElement("div");c.innerHTML='<div style="font-size:12px;visibility:hidden;">\n<div style="font-family:descartesJS_serif;">\n<span>_</span>\n<span style="font-weight:bold;">_</span>\n<span style="font-style:italic;">_</span>\n<span style="font-weight:bold;font-style:italic;">_</span>\n</div>\n<div style="font-family:descartesJS_sansserif;">\n<span>_</span>\n<span style="font-weight:bold;">_</span>\n<span style="font-style:italic;">_</span>\n<span style="font-weight:bold;font-style:italic;">_</span>\n</div>\n<div style="font-family:descartesJS_monospace;">\n<span>_</span>\n<span style="font-weight:bold;">_</span>\n<span style="font-style:italic;">_</span>\n<span style="font-weight:bold;font-style:italic;">_</span>\n</div>\n<div style="font-family:descartesJS_extra;">\n<span>_</span>\n<span style="font-weight:bold;">_</span>\n<span style="font-style:italic;">_</span>\n<span style="font-weight:bold;font-style:italic;">_</span>\n</div>\n</div>';
document.body.appendChild(c);a.getFeatures();if(a.hasCanvas){window.scrollTo(0,10);for(var d=document.querySelectorAll(".DescartesAppContainer"),b=0,f=d.length;b<f;b++)d[b].parentNode.removeChild(d[b]);for(var b=document.querySelectorAll("applet,ajs"),f=/Descartes|DescartesJS|descinst.DescartesWeb2_0.class|Arquimedes|Discurso/i,d=[],g=0,h=b.length;g<h;g++)f.test(b[g].getAttribute("code"))&&d.push(b[g]);b=0;for(f=d.length;b<f;b++)a.apps.push(new a.DescartesApp(d[b])),d[b].className="DescartesJS";window.addEventListener("resize",
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