/*
 Joel Espinosa Longi
 jlongi@im.unam.mx
 https://github.com/jlongi/DescartesJS
 LGPL - http://www.gnu.org/licenses/lgpl.html
 2016-06-24
*/
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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,k=p.length;c<k;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,k=p.length;c<k;c++)(h=a.parse(p[c],!0))&&d.push(h);c=0;
for(k=d.length;c<k;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 k=[],g=0,b=c.length;g<b;g++)""!=c[g]&&k.push(c[g]);c=k}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=[];g=0;for(b=p.length;g<b;g++)(k=d.parse(p[g],!0))&&"asign"!=k.type&&(k=d.parse(this.id+"["+g+"]="+
p[g],!0)),c.push(k);p=[];p._size_=h.eval(this.size);g=0;for(b=this._size_;g<b;g++)p.push(0);h.vectors[this.id]=p;h.setVariable(this.id+".long",p._size_);g=0;for(b=c.length;g<b;g++)h.eval(c[g])};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),k=[];
k.type="matrix";for(var g,b=0;b<c;b++){g=[];for(var m=0,q=p;m<q;m++)g.push(0);k[b]=g}f.matrices[this.id]=k;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 k=this;this.functionExec=function(){this.iterations=
0;if(k.numberOfParams<=arguments.length){for(var c=[],b=0,d=k.privateVars.length;b<d;b++)c.push(f.getVariable(k.privateVars[b])),f.setVariable(k.privateVars[b],0);for(var q=[],b=0,d=k.params.length;b<d;b++)q[b]=f.getVariable(k.params[b])||0,f.setVariable(k.params[b],arguments[b]);b=0;for(d=k.init.length;b<d;b++)f.eval(k.init[b]);do{b=0;for(d=k.doExpr.length;b<d;b++)f.eval(k.doExpr[b]);if(1E5<++this.iterations)return console.log("se ha excedido el l\u00edmite de 100000 repeticiones en la funci\u00f3n << "+
k.name+" >>"),0}while(0<f.eval(k.whileExpr));var h=f.eval(k.expresion);a.rangeOK=f.eval(k.domain);b=0;for(d=k.params.length;b<d;b++)f.setVariable(k.params[b],q[b]);b=0;for(d=k.privateVars.length;b<d;b++)f.setVariable(k.privateVars[b],c[b]);return h}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,g){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 g)g.hasOwnProperty(d)&&(this[d]=g[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,q=this.fSteps;d<=
q;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,q,r,n,w,x,e,u){a.textNode=d;if("rtfNode"===d.type)a.fillStyle=q.getColor(),a.strokeStyle=q.getColor(),a.textBaseline="alphabetic",a.textNode.pos={x:b,y:f},d.draw(a,b,f+1,x,e,n,u,q.getColor());else for("simpleText"===d.type&&(d=d.toString(x,e).split("\\n")),b+=/Arial|Times/i.test(r)?-2:0,h=this.evaluator,a.fillStyle=q.getColor(),a.font=r,a.textAlign=n,a.textBaseline=w,this.border&&(a.strokeStyle=this.border.getColor(),a.lineWidth=4),c=1.2*this.fontSize||
0,q=0,r=d.length;q<r;q++)p=d[q],this.border&&(a.lineJoin="round",a.miterLimit=2,a.strokeText(p,b,f+c*q)),a.fillText(p,b,f+c*q)};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="'",k=0,g=0,b=-1,h,q;k<d.length;)h=d.charAt(k),q=d.charAt(k-1),"["===h&&"\\"===q?(this.textElements.push(d.substring(g,
k-1)+"["),this.textElementsMacros.push("'"+d.substring(g,k-1)+"['"),g=k+1):"]"===h&&"\\"===q?(this.textElements.push(d.substring(g,k-1)+"]"),this.textElementsMacros.push("'"+d.substring(g,k-1)+"]'"),g=k+1):"["===h&&-1===b?(this.textElements.push(d.substring(g,k)),this.textElementsMacros.push("'"+d.substring(g,k)+"'"),g=k,b++):"["===h?b++:"]"===h&&0===b?(this.textElements.push(this.evaluator.parser.parse(d.substring(g,k+1))),this.textElementsMacros.push("["+d.substring(g,k+1)+"]"),g=k+1,b--):("]"==
d.charAt(k)&&(b=0>b?b:b-1),c+=d.charAt(k)),k++;this.textElements.push(d.substring(g,k));this.textElementsMacros.push("'"+d.substring(g,k)+"'")};var h,d;a.SimpleText.prototype.toString=function(f,p){h="";for(var c=0,k=this.textElements.length;c<k;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,k,g,b,m,q,r,n,w,x,e,u,l,v,y,B,E,D,F,H,G,K,C;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();n=new a.R2;w=new a.R2;x=new a.R2;l=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 e=this.expresion.childs[0],b=this.expresion.childs[1];"identifier"!=e.type||"y"!=e.value||b.contains("y")?"identifier"!=b.type||"y"!=b.value||e.contains("y")?"identifier"!=e.type||"x"!=e.value||b.contains("x")?"identifier"!=b.type||"x"!=b.value||e.contains("x")||(this.funExpr=b,this.of_y=!0,this.drawAux=this.drawAuxFun):(this.funExpr=b,this.of_y=!0,this.drawAux=this.drawAuxFun):(this.funExpr=e,this.of_y=!1,this.drawAux=this.drawAuxFun):(this.funExpr=
b,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,e,b){d=this.evaluator;this.getFamilyValues();tempParam=d.getVariable(this.family);if(0<=this.fSteps)for(var n=0,c=this.fSteps;n<=c;n++)d.setVariable(this.family,
this.familyInf+n*this.family_sep),this.update(),this.drawAux(a,e,b);d.setVariable(this.family,tempParam)};a.Equation.prototype.drawTrace=function(){this.uber.drawTrace.call(this,this.fill,this.trace)};var A,J,I,N,z,M,L;a.Equation.prototype.drawAux=function(O,Q,P){if(!(0>=this.evaluator.eval(this.drawif))){d=this.evaluator;f=d.parser;p=this.space;c=d.eval(this.width);O.strokeStyle=this.color.getColor();O.lineWidth=c;k=f.getVariable("x");g=f.getVariable("y");b=p.w+24;m=p.h+24;q=b/9;3>q&&(q=3);r=m/7;
3>r&&(r=3);0==this.cInd?(h=[],this.cInd++):this.cInd=(this.cInd+1)%1E5;n.set(0,0);w.set(0,0);x.set(0,0);M=.25;L=8;this.abs_coord||(M/=p.scale,L/=p.scale);O.beginPath();for(C=parseInt(r/2);C<m;C+=r)for(K=parseInt(q/2);K<b;K+=q){if(this.abs_coord){l.set(K,C);u=this.newt.findZero(l,M);if(null==u)continue;d.setVariable("x",u.x);d.setVariable("y",u.y);e.set(u.x,u.y)}else{l.set(p.getRelativeX(K),p.getRelativeY(C));u=this.newt.findZero(l,M);if(null==u)continue;d.setVariable("x",u.x);d.setVariable("y",u.y);
e.set(p.getAbsoluteX(u.x),p.getAbsoluteY(u.y))}v=e.ix();y=e.iy();if(-12<=v&&v<b+24&&-12<=y&&y<m+24){if(h[v+12+(y+12)*p.w]===this.cInd)continue;h[v+12+(y+12)*p.w]=this.cInd}a.rangeOK&&(O.moveTo(v,y),O.lineTo(v,y));n.x=u.x;n.y=u.y;w.x=u.x;w.y=u.y;B=this.newt.getUnitNormal();if(0!=B.x||0!=B.y)for(B.rotL90(),x.x=B.x,x.y=B.y,D=E=0,F=!1;2>D;)if(F&&(x.x=-B.x,x.y=-B.y,u.x=n.x,u.y=n.y,w.x=u.x,w.y=u.y,this.abs_coord?e.set(u.x,u.y):e.set(p.getAbsoluteX(u.x),p.getAbsoluteY(u.y)),v=e.ix(),y=e.iy(),F=!1,E=0),u.x+=
L*x.x,u.y+=L*x.y,u=this.newt.findZero(u,M),null!=u){d.setVariable("x",u.x);d.setVariable("y",u.y);x.x=u.x-w.x;x.y=u.y-w.y;x.normalize();if(0==x.x&&0==x.y)break;w.x=u.x;w.y=u.y;this.abs_coord?e.set(u.x,u.y):e.set(p.getAbsoluteX(u.x),p.getAbsoluteY(u.y));H=parseInt(e.ix());G=parseInt(e.iy());if(H!=v||G!=y)if(A=v,J=y,v=H,y=G,-12<=v&&v<b+24&&-12<=y&&y<m+24){E=0;I=h[v+12+(y+12)*p.w];h[v+12+(y+12)*p.w]=this.cInd;for(Q=1;8>Q;Q++)N=A+Math.round((v-A)*Q/8),z=J+Math.round((y-J)*Q/8),0<=N&&N<b&&0<=z&&z<m&&(h[N+
12+(z+12)*p.w]=this.cInd);a.rangeOK&&(O.moveTo(A,J),O.lineTo(v,y));if(I===this.cInd)break}else F=!0,D++;else 4<++E&&(F=!0,D++)}}O.stroke()}};a.Equation.prototype.X=function(a,e,b){b||(e=this.space.w/2+this.space.Ox+this.space.scale*e);e<-a&&(e=-a);e>this.space.w+a&&(e=this.space.w+a);return e};a.Equation.prototype.Y=function(a,e,b){b||(e=this.space.h/2+this.space.Oy-this.space.scale*e);e<-a&&(e=-a);e>this.space.h+a&&(e=this.space.h+a);return e};a.Equation.prototype.XX=function(a,e,b){return Math.round(this.X(a,
e,b))};a.Equation.prototype.YY=function(a,e,b){return Math.round(this.Y(a,e,b))};a.Equation.prototype.extrapolate=function(e,b,n,c,d,g){for(var q=this.evaluator.getVariable(b),l=g/2,f=0,k,h,u,w,r,m;1E-15<Math.abs(l);){k=this.evaluator.getVariable(b);h=this.evaluator.getVariable(b)+l;this.evaluator.setVariable(b,h);u=!0;try{w=d,d=this.evaluator.eval(this.funExpr),this.evaluator.setVariable(n,d),0<this.evaluator.eval(e)?(r=new a.R2(Math.min(w,d),Math.max(w,d)),m=0,m=0<g?this.Singularity(Math.abs(l),
b,c,k,w,h,d,r):this.Singularity(Math.abs(l),b,c,h,d,k,w,r),0<m&&(u=!1)):u=!1}catch(x){u=!1}u?f+=l:this.evaluator.setVariable(b,k);l/=2}this.evaluator.setVariable(b,q);return new a.R2(f/Math.abs(g),d)};a.Equation.prototype.extrapolateOnSingularity=function(e,b,n,c,d,g){c=this.evaluator.getVariable(b);for(var l=g/2,q=0,f=d,k;1E-15<Math.abs(l);){this.evaluator.setVariable(b,this.evaluator.getVariable(b)+l);k=!0;if(0<this.evaluator.eval(e))try{f=this.evaluator.eval(this.funExpr),this.evaluator.setVariable(n,
f),0>=this.evaluator.eval(e)&&(k=!1)}catch(h){k=!1}else k=!1;k?q+=l:this.evaluator.setVariable(b,this.evaluator.getVariable(b)-l);l/=2}if(0==q)for(l=g/2,q=g,f=d;1E-15<Math.abs(l);){this.evaluator.setVariable(b,this.evaluator.getVariable(b)-l);k=!0;if(0<this.evaluator.eval(e))try{f=this.evaluator.eval(this.funExpr)}catch(h){k=!1}else k=!1;k?q+=-l:this.evaluator.setVariable(b,this.evaluator.getVariable(b)+l);l/=2}this.evaluator.setVariable(b,c);return new a.R2(q/Math.abs(g),f)};a.Equation.prototype.Singularity=
function(a,e,b,n,c,d,g,l){if(isNaN(g)||isNaN(c)||isNaN(l.y)||isNaN(l.x)||n>=d)return 2;var q=this.evaluator.getVariable(e),f=0;try{if(1E-15>Math.abs(d-n)||1E-12>Math.abs(d-n)&&Math.abs(g-c)>Math.abs(a))return this.evaluator.setVariable(e,q),1;var k=(n+d)/2;this.evaluator.setVariable(e,k);var h=NaN;try{h=this.evaluator.eval(this.funExpr)}catch(u){return 2}if(isNaN(h))return 2;if(Math.abs(g-c)>a){this.evaluator.setVariable(e,n-1E-12);var w=this.evaluator.eval(this.funExpr),w=(c-w)/1E-12;this.evaluator.setVariable(e,
d+1E-12);var r=(this.evaluator.eval(this.funExpr)-g)/1E-12;if((10>Math.abs(r)||10>Math.abs(w))&&(0<=r&&0<=w||0>=r&&0>=w)&&4*Math.abs(r)<Math.abs((g-c)/(d-n)))return this.evaluator.setVariable(e,q),2}if(isNaN(l.x)||isNaN(l.y)||isNaN(h))return 2;if(!(l.x<=h&&h<=l.y)){this.evaluator.setVariable(e,k);l.x=Math.min(c,h);l.y=Math.max(c,h);var m=this.Singularity(a/2,e,b,n,c,k,h,l);this.evaluator.setVariable(e,d);l.x=Math.min(g,h);l.y=Math.max(g,h);var x=this.Singularity(a/2,e,b,k,h,d,g,l),f=Math.max(m,x)}}catch(u){f=
1}this.evaluator.setVariable(e,q);return f};a.Equation.prototype.drawAuxFun=function(e,b,n){k=this.evaluator.parser.getVariable("x");g=this.evaluator.parser.getVariable("y");a.rangeOK=1;b="x";n="y";this.of_y&&(b="y",n="x");var c=this.drawif,d=this.evaluator.eval(this.width),l=!1,q=new a.R2(this.space.w/2+this.space.Ox,this.space.h/2+this.space.Oy),q=this.of_y?q.ix():q.iy(),f=0,h=0,u=0,w=0,r=1/this.space.scale,m=r*(this.of_y?Math.ceil(-this.space.h+(this.space.h/2+this.space.Oy)):-Math.ceil(this.space.w/
2+this.space.Ox)),x=0;this.abs_coord&&(m=0,r=1);for(var p,z,v,y,A,E,B,M,D,C=this.of_y?this.space.h+4:this.space.w+4;u<=C;){p=!0;z=0;this.evaluator.setVariable(b,m);try{v=this.evaluator.eval(this.funExpr),isNaN(v)||(this.evaluator.setVariable(n,v),0<this.evaluator.eval(this.drawif)&&a.rangeOK?(l?(y=Math.min(x,v),A=Math.max(x,v),E=new a.R2(y,A),z=this.Singularity(r,b,0,m-r,x,m,v,E),0===z?(x<=v?(x=E.x,v=E.y):(v=E.x,x=E.y),B=parseInt(this.of_y?this.XX(d,x,this.abs_coord):this.YY(d,x,this.abs_coord)),
f=this.abs_coord?Math.round(v):parseInt(this.of_y?this.XX(d,v,this.abs_coord):this.YY(d,v,this.abs_coord)),this.fillM&&f>q&&(e.lineWidth=1,e.strokeStyle=this.fillM.getColor(),e.beginPath(),this.of_y?(e.moveTo(q+1,this.space.h-u+.5),e.lineTo(f,this.space.h-u+.5)):(e.moveTo(u+.5,q+1),e.lineTo(u+.5,f)),e.stroke()),this.fillP&&f<q&&(e.lineWidth=1,e.strokeStyle=this.fillP.getColor(),e.beginPath(),this.of_y?(e.moveTo(q-1,this.space.h-u+.5),e.lineTo(f,this.space.h-u+.5)):(e.moveTo(u+.5,q-1),e.lineTo(u+.5,
f)),e.stroke()),e.lineWidth=d,e.strokeStyle=this.color.getColor(),e.beginPath(),this.of_y?(e.moveTo(B+.5,this.space.h-w),e.lineTo(f+.5,this.space.h-u)):(e.moveTo(w+.5,B),e.lineTo(u+.5,f))):1===z?(this.evaluator.setVariable(b,m-r),M=this.extrapolate(c,b,n,0,x,r),f=parseInt(this.of_y?this.XX(d,M.y,this.abs_coord):this.YY(d,M.y,this.abs_coord)),e.lineWidth=d,e.strokeStyle=this.color.getColor(),e.beginPath(),this.of_y?(e.moveTo(h+.5,this.space.h-w),e.lineTo(f+.5,this.space.h-w+Math.round(M.x))):(e.moveTo(w+
.5,h),e.lineTo(w+Math.round(M.x)+.5,f)),this.evaluator.setVariable(b,m),D=this.extrapolate(c,b,n,0,v,-r),h=this.YY(d,D.y,this.abs_coord),f=this.YY(d,v,this.abs_coord),e.lineWidth=d,e.strokeStyle=this.color.getColor(),e.beginPath(),this.of_y?(e.moveTo(h+.5,this.space.h-u),e.lineTo(f+.5,this.space.h-u)):(e.moveTo(u+.5,h),e.lineTo(u+.5,f))):(f=parseInt(this.of_y?this.XX(d,v,this.abs_coord):this.YY(d,v,this.abs_coord)),e.lineWidth=d,e.strokeStyle=this.color.getColor(),e.beginPath(),this.of_y?(e.moveTo(f+
.5,this.space.h-u),e.lineTo(f+.5,this.space.h-u)):(e.moveTo(u+.5,f),e.lineTo(u+.5,f)))):(D=this.extrapolateOnSingularity(c,b,n,0,v,-r),h=this.of_y?this.XX(d,D.y,this.abs_coord):this.YY(d,D.y,this.abs_coord),f=parseInt(this.of_y?this.XX(d,v,this.abs_coord):this.YY(d,v,this.abs_coord)),e.lineWidth=d,e.strokeStyle=this.color.getColor(),e.beginPath(),this.of_y?(e.moveTo(h,this.space.h-(u+Math.round(D.x))+.5),e.lineTo(f,this.space.h-u+.5)):(e.moveTo(u+Math.round(D.x),h),e.lineTo(u,f))),e.stroke(),x=v):
p=!1)}catch(F){p=!1}l&&!p&&(this.evaluator.setVariable(b,m-r),this.evaluator.setVariable(n,x),M=this.extrapolate(c,b,n,0,x,r),f=parseInt(this.of_y?this.XX(d,M.y,this.abs_coord):this.YY(d,M.y,this.abs_coord)),0<this.evaluator.eval(this.drawif)&&a.rangeOK&&(e.lineWidth=d,e.strokeStyle=this.color.getColor(),e.beginPath(),this.of_y?(e.moveTo(h,this.space.h-(w+Math.round(M.x))+.5),e.lineTo(f,this.space.h-(w+Math.round(M.x))+.5)):(e.moveTo(w+Math.round(M.x)+.5,h),e.lineTo(w+Math.round(M.x)+.5,f)),e.stroke()),
this.evaluator.setVariable(b,m));l=p;m+=r;h=f;w=u++}this.evaluator.parser.setVariable("x",k);this.evaluator.parser.setVariable("y",g)};a.Equation.prototype.registerTextField=function(){var a=document.createElement("input");a.value=this.expresionString;a.disabled=!this.editable;var e=this;a.onkeydown=function(a){13==a.keyCode&&(e.expresion=e.evaluator.parser.parse(this.value),e.parseExpression(),e.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,k,g,b,m,q,r,n;a.Curve=function(b,n){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,n);(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,x,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();k=d.getVariable(this.parameter);f.beginPath();d.setVariable(this.parameter,this.paraInf);g=d.eval(this.expresion);this.exprX=h(this.abs_coord?g[0][0]:p.getAbsoluteX(g[0][0]));this.exprY=h(this.abs_coord?g[0][1]:p.getAbsoluteY(g[0][1]));this.rotateExp&&(b=a.degToRad(d.eval(this.rotateExp)),m=Math.cos(b),q=Math.sin(b),r=this.exprX*m-this.exprY*q,n=this.exprX*q+this.exprY*m,this.exprX=r,this.exprY=n);f.moveTo(this.exprX+.5,this.exprY+.5);for(e=1;e<=this.pSteps;e++)d.setVariable(this.parameter,
this.paraInf+e*this.paraSep),g=d.eval(this.expresion),this.exprX=this.abs_coord?h(g[0][0]):h(p.getAbsoluteX(g[0][0])),this.exprY=this.abs_coord?h(g[0][1]):h(p.getAbsoluteY(g[0][1])),this.rotateExp&&(r=this.exprX*m-this.exprY*q,n=this.exprX*q+this.exprY*m,this.exprX=r,this.exprY=n),!isNaN(this.exprX)&&!isNaN(this.exprY)&&-1E7<this.exprX&&1E7>this.exprX&&-1E7<this.exprY&&1E7>this.exprY&&f.lineTo(this.exprX+.5,this.exprY+.5);this.fill&&(f.fillStyle=x.getColor(),f.fill("evenodd"));f.stroke();d.setVariable(this.parameter,
k)};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,k,g,b,m,q,r,n,w,x,e,u;a.Sequence=function(e,b){this.size=e.evaluator.parser.parse("2");
this.range=e.evaluator.parser.parse("[1, 100]");a.Graphic.call(this,e,b)};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&&(k=a.degToRad(f.eval(this.rotateExp)),g=Math.cos(k),b=Math.sin(k),m=this.exprX*g-this.exprY*b,q=this.exprX*b+this.exprY*g,this.exprX=m,this.exprY=q);w=f.eval(this.range);this.rangeInf=w[0][0];this.rangeMax=w[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=x=Math.ceil(f.eval(this.size)-.4);a.fillStyle=b.getColor();a.beginPath();this.rangeInf>this.rangeMax&&(u=this.rangeInf,this.rangeInf=this.rangeMax,this.rangeMax=u);for(var g=f.getVariable("n"),q=this.rangeInf,k=this.rangeMax;q<=k;q++)f.setVariable("n",q),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)),n=d(this.abs_coord?this.exprY:p.getAbsoluteY(this.exprY)),a.beginPath(),a.arc(r,n,x,0,h,!0),a.fill();a.fill();this.text!=[""]&&this.uber.drawText.call(this,a,this.text,r+e,n-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,k,g,b,m,q,r,n,w,x;a.Point=function(e,b){this.size=
e.evaluator.parser.parse("2");a.Graphic.call(this,e,b)};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&&(k=a.degToRad(f.eval(this.rotateExp)),g=Math.cos(k),b=Math.sin(k),m=this.exprX*g-this.exprY*b,q=this.exprX*b+this.exprY*g,this.exprX=m,this.exprY=q)};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;w=d(f.eval(this.size));x=w+1;a.fillStyle=b.getColor();r=d(this.abs_coord?this.exprX:p.getAbsoluteX(this.exprX));n=d(this.abs_coord?this.exprY:p.getAbsoluteY(this.exprY));a.beginPath();a.arc(r,n,w,0,h,!0);a.fill();this.text!=[""]&&this.uber.drawText.call(this,a,this.text,r+x+1,n-x,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,k,g,b,m,q,r,n,w,x,e,u,l,v,y,B;a.Segment=function(e,b){this.width=e.evaluator.parser.parse("1");this.size=e.evaluator.parser.parse("2");a.Graphic.call(this,e,b)};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,n=c.length;e<n;e++)this.endPoints[e]={x:c[e][0],y:c[e][1]};if(this.rotateExp)for(k=a.degToRad(f.eval(this.rotateExp)),g=Math.cos(k),b=Math.sin(k),e=0,n=this.endPoints.length;e<
n;e++)m=this.endPoints[e].x*g-this.endPoints[e].y*b,q=this.endPoints[e].x*b+this.endPoints[e].y*g,this.endPoints[e].x=m,this.endPoints[e].y=q};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";n=10+a.lineWidth;u=0==a.lineWidth%2?0:.5;this.abs_coord?(l=h(this.endPoints[0].x),v=h(this.endPoints[0].y),y=h(this.endPoints[1].x),B=h(this.endPoints[1].y)):(l=h(p.getAbsoluteX(this.endPoints[0].x)),v=h(p.getAbsoluteY(this.endPoints[0].y)),y=h(p.getAbsoluteX(this.endPoints[1].x)),B=h(p.getAbsoluteY(this.endPoints[1].y)));a.beginPath();a.moveTo(l+u,v+u);a.lineTo(y+u,B+u);a.stroke();0<e&&(a.beginPath(),a.arc(l,v,e,0,d,!0),a.arc(y,B,e,0,d,!0),a.fill());this.text!=[""]&&
(w=parseInt((l+y)/2)-3,x=parseInt((v+B)/2)+3,this.uber.drawText.call(this,a,this.text,w+n,x-n,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,k,g,b,m,q,r,n,w,x,e,u,l,v,y,B;a.Arrow=function(e,b){this.width=e.evaluator.parser.parse("5");this.size=e.evaluator.parser.parse("2");this.spear=e.evaluator.parser.parse("8");this.arrow=new a.Color("ee0022");a.Graphic.call(this,
e,b)};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,n=p.length;e<n;e++)this.endPoints[e]={x:p[e][0],y:p[e][1]};if(this.rotateExp)for(c=a.degToRad(f.eval(this.rotateExp)),k=Math.cos(c),g=Math.sin(c),e=0,n=this.endPoints.length;e<n;e++)b=this.endPoints[e].x*k-this.endPoints[e].y*g,m=this.endPoints[e].x*g+this.endPoints[e].y*k,this.endPoints[e].x=b,this.endPoints[e].y=m};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,g){f=this.evaluator;q=this.space;f.eval(this.size);w=f.eval(this.width);0>w&&(w=0);x=Math.ceil(w/2);e=q.scale;this.vect=new a.Vector2D(this.endPoints[1].x-this.endPoints[0].x,this.endPoints[1].y-this.endPoints[0].y);u=this.vect.vectorLength();this.angle=this.vect.angleBetweenVectors(a.Vector2D.AXIS_X);b.fillStyle=c.getColor();b.strokeStyle=g.getColor();
b.lineWidth=2;this.abs_coord?(l=d(this.endPoints[0].x),v=d(this.endPoints[0].y),y=d(this.endPoints[1].x),B=d(this.endPoints[1].y)):(l=d(q.getAbsoluteX(this.endPoints[0].x)),v=d(q.getAbsoluteY(this.endPoints[0].y)),y=d(q.getAbsoluteX(this.endPoints[1].x)),B=d(q.getAbsoluteY(this.endPoints[1].y)));c=f.eval(this.spear);0>c&&(c=0);b.save();b.translate(l,v,u);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):(u*=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(-x,h(-x));b.lineTo(h(u-c-w),h(-x));b.lineTo(h(u-2*c),h(-c-x));b.lineTo(h(u),0);b.lineTo(h(u-2*c),h(c+x));b.lineTo(h(u-c-w),h(x));b.lineTo(-x,h(x));b.closePath();b.stroke();b.fill();b.restore();this.text!=[""]&&(r=parseInt((l+y)/2)-3,n=parseInt((v+B)/2)+3,this.uber.drawText.call(this,b,this.text,r,n,g,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,k,g,b,m,q,r,n,w;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 n=0,e=p.length;n<e;n++)this.endPoints[n]={x:p[n][0],y:p[n][1]};if(this.rotateExp)for(c=a.degToRad(d.eval(this.rotateExp)),k=Math.cos(c),g=Math.sin(c),n=0,e=this.endPoints.length;n<
e;n++)b=this.endPoints[n].x*k-this.endPoints[n].y*g,m=this.endPoints[n].x*g+this.endPoints[n].y*k,this.endPoints[n].x=b,this.endPoints[n].y=m};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,e,b){d=this.evaluator;f=this.space;q=h(d.eval(this.width));a.lineWidth=0<q?q:1E-6;a.strokeStyle=b.getColor();a.lineCap="round";a.lineJoin="round";
r=0<q?.5:0;n=h(this.abs_coord?this.endPoints[0].x:f.getAbsoluteX(this.endPoints[0].x));w=h(this.abs_coord?this.endPoints[0].y:f.getAbsoluteY(this.endPoints[0].y));a.beginPath();a.moveTo(n+r,w+r);b=1;for(var c=this.endPoints.length;b<c;b++)n=h(this.abs_coord?this.endPoints[b].x:f.getAbsoluteX(this.endPoints[b].x)),w=h(this.abs_coord?this.endPoints[b].y:f.getAbsoluteY(this.endPoints[b].y)),a.lineTo(n+r,w+r);this.fill&&(a.fillStyle=e.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,k=Math.PI,g=k/2,b=2*k,m,q,r,n,w,x,e,u,l,v,y,B,E,D,F,H,G,K,C,A,J;a.Arc=function(e,b){this.width=e.evaluator.parser.parse("1");this.fill="";this.center=e.evaluator.parser.parse("(0,0)");this.radius=e.evaluator.parser.parse("1");this.init="0";this.end="90";a.Graphic.call(this,e,b);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=e.evaluator.parser.parse(this.init);this.endExpr=e.evaluator.parser.parse(this.end)};a.extend(a.Arc,a.Graphic);a.Arc.prototype.update=function(){m=this.evaluator;q=m.eval(this.center);this.exprX=q[0][0];this.exprY=q[0][1];r=0;this.rotateExp&&(r=a.degToRad(m.eval(this.rotateExp)),n=Math.cos(r),w=Math.sin(r),x=this.exprX*n-this.exprY*w,e=this.exprX*w+this.exprY*n,this.exprX=x,this.exprY=e);var h=m.eval(this.initExpr),A=m.eval(this.endExpr);/^(\(|\[)expr(\)|\])$/i.test(this.initExpr.type)&&
/^(\(|\[)expr(\)|\])$/i.test(this.endExpr.type)?(u=h[0][0],l=h[0][1],v=A[0][0],y=A[0][1],this.vectors?this.abs_coord&&(l=-l,y=-y):this.abs_coord?(u-=this.exprX,l=-l+this.exprY,v-=this.exprX,y=-y+this.exprY):(u-=this.exprX,l-=this.exprY,v-=this.exprX,y-=this.exprY),B=0==u?0>l?-g:g:p(1*u/c(u*u+l*l)),E=0==v?0>y?-g:g:p(1*v/c(v*v+y*y)),B+=r,E+=r,0<u&&0<l&&this.abs_coord&&(B=b-B),0<u&&0>l&&!this.abs_coord&&(B=b-B),0>u&&0>l&&!this.abs_coord&&(B=b-B),0>u&&0<l&&this.abs_coord&&(B=b-B),0<v&&0<y&&this.abs_coord&&
(E=b-E),0<v&&0>y&&!this.abs_coord&&(E=b-E),0>v&&0>y&&!this.abs_coord&&(E=b-E),0>v&&0<y&&this.abs_coord&&(E=b-E),this.initFlag?(D=B,B=E,E=D):(D=d(B,E),F=f(B,E),B=D,E=F,E-B>k&&this.abs_coord&&(B=F,E=D),E-B<=k&&!this.abs_coord&&(B=F,E=D)),this.iniAng=B,this.endAng=E,this.drawPoints=!0):(this.iniAng=a.degToRad(h)+r,this.endAng=a.degToRad(A)+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,e,b){m=this.evaluator;H=this.space;C=m.eval(this.radius);0>C&&(C=0);J=h(m.eval(this.width));a.lineWidth=0<J?J:1E-6;a.lineCap="round";a.strokeStyle=b.getColor();this.drawAngle?(this.abs_coord?(G=h(this.exprX),K=h(this.exprY)):(G=h(H.getAbsoluteX(this.exprX)),K=h(H.getAbsoluteY(this.exprY)),C*=H.scale,this.iniAng=-this.iniAng,this.endAng=-this.endAng),this.iniAng>this.endAng&&(A=this.iniAng,this.iniAng=this.endAng,this.endAng=A)):this.drawPoints&&
(this.abs_coord?(G=h(this.exprX),K=h(this.exprY)):(G=h(H.getAbsoluteX(this.exprX)),K=h(H.getAbsoluteY(this.exprY)),C*=H.scale,this.iniAng=-this.iniAng,this.endAng=-this.endAng));this.fill&&(a.fillStyle=e.getColor(),a.beginPath(),a.moveTo(G,K),a.arc(G,K,C,this.iniAng,this.endAng,void 0),a.fill());a.beginPath();a.arc(G,K,C,this.iniAng,this.endAng,void 0);a.stroke();this.text!=[""]&&this.uber.drawText.call(this,a,this.text,G+4,K-2,this.color,this.font,"start","alphabetic",m.eval(this.decimals),this.fixed,
!0)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,k,g,b,m,q,r,n,w,x,e,u,l,v,y;a.Text=function(e,b){this.width=e.evaluator.parser.parse("0");a.Graphic.call(this,e,b);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),k=this.exprX*p-this.exprY*c,g=this.exprX*c+this.exprY*p,this.exprX=k,this.exprY=g);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,e){v=this.evaluator.eval(this.decimals);"rtfNode"===
this.text.type?(r=this.text,this.ascent=0):r=this.splitText(this.text.toString(v,this.fixed).split("\\n"));if(this.text!=[""]){var b=parseInt(this.exprX)+5,n=parseInt(this.exprY)+this.ascent;this.centered&&(b=this.getMaxWidth(r),b=parseInt(this.exprX+(this.exprW-b)/2),n=parseInt(this.exprY+this.descent+(this.exprH-1.2*this.fontSize*(r.length-1))/2));this.uber.drawText.call(this,a,r,b,n,e,this.font,this.align,"alphabetic",v,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++)m=e[c],q=a.getTextWidth(m,this.font),q>b?r=r.concat(this.splitWords(m,b)):r.push(m);n=Math.floor(1.2*this.fontSize)*r.length;h.setVariable("_Text_H_",n);return r}h.setVariable("_Text_H_",0);return e};a.Text.prototype.splitWords=function(b,n){w=b;x=[];e="";for(var c=l=0,d=b.length;c<d;c++)u=w.charAt(c)," "===u&&(lastIndexOfWhite=c),e+=u,a.getTextWidth(e,this.font)>n&&(y=b.substring(l,c+1)," "!==u&&(-1===y.indexOf(" ")?(lastIndexOfWhite=
c,c--):c=lastIndexOfWhite),x.push(b.substring(l,lastIndexOfWhite)),e="",l=c+1);x.push(b.substring(l));return x};a.Text.prototype.getMaxWidth=function(e){for(var b=-1,n=0,c=e.length;n<c;n++)m=e[n],b=Math.max(b,a.getTextWidth(m,this.font));return b};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=Math.round,d,f,p,c,k,g,b,m,q,r,n,w,x,e,u,l;a.Image=function(e,b){this.file="";this.inirot=e.evaluator.parser.parse("0");a.Graphic.call(this,e,b);this.img=new Image;this.scaleY=
this.scaleX=1;this.ratio=e.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),k=Math.sin(p),g=this.exprX*c-this.exprY*k,b=this.exprX*k+this.exprY*c,this.exprX=g,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((m=d.eval(this.file))||""==m)this.img=this.parent.getImage(m)};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;q=this.space;this.img&&this.img.ready&&this.img.complete&&(u=this.img.width,l=this.img.height,this.img.canvas&&(u=h(u/this.ratio),l=h(l/this.ratio)),r=this.centered?0:h(u/
2),n=this.centered?0:h(l/2),w=h(this.abs_coord?this.exprX:q.getAbsoluteX(this.exprX)),x=h(this.abs_coord?this.exprY:q.getAbsoluteY(this.exprY)),e=a.degToRad(-d.eval(this.inirot)),b.save(),b.translate(w+r,x+n),b.rotate(e),this.opacity&&(b.globalAlpha=d.eval(this.opacity)),b.scale(this.scaleX,this.scaleY),b.drawImage(this.img,-u/2,-l/2,u,l),b.restore())};return a}(descartesJS||{}),descartesJS=function(a){function h(a,c,n){b=4*(c+n*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,k,g,b,m;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]];g=h(imageData,f,p);for(m=0;0<c.length;){m++;k=c.pop();f=k[0];p=k[1];var n=h(imageData,f,p);if(g.r===n.r&&g.g===n.g&&g.b===n.b&&g.a===n.a){var n=imageData,w=d;b=4*(f+p*n.width);n.data[b+0]=w.r;n.data[b+1]=w.g;n.data[b+2]=w.b;n.data[b+3]=255*w.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(m>=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,k){this.hasExpresion=!1;this.inirot=c.evaluator.parser.parse("0");this.inipos=c.evaluator.parser.parse("(0,0)");a.Graphic.call(this,c,k);for(var g in k)"expresion"==g&&(this.hasExpresion=!0),k.hasOwnProperty(g)&&(this[g]=k[g]);this.graphics=[];g=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 m=
this.evaluator.eval(this.expresion),q;m&&((q=document.getElementById(m))&&"descartes/macro"==q.type?q=q.text:(q=a.openExternalFile(m))&&!q.match(/tipo_de_macro/g)&&(q=null));var r,n;if(q){n=q.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");q=[];for(var m=0,w=n.length;m<w;m++)if(r=n[m].indexOf("="),-1!==r){r=g.split(n[m]);for(var x=0,e=r.length;x<e;x++)r[x]&&1<r.length&&("id"!==h[r[x][0]]&&"type"!==h[r[x][0]]||q.push(r))}for(var u,l,m=0,w=q.length;m<w;m++)for(e=(x=q[m]||[],x[0])&&"id"===x[0][0],n=0,r=x.length;n<r;n++)if(u=x[n][0].indexOf("."),-1===u||e?u=h[x[n][0]]:(u=h[x[n][0].substring(u+1)],x[n][0]=
this.name+"."+x[n][0]),!("font"===u||("fill"===u||"color"===u||"border"===u||"arrow"===u)&&"("!==x[n][1].charAt(0)||"file"===u&&x[n][1].match(f)||"id"!==u&&void 0!==h[x[n][1]]))if("text"==u)if(x[n][1].match(/\{\\rtf1/)){u=x[n][1];var p=this;l=function(a,e){for(var n=b.tokenize(e.replace(/\&squot;/g,"'")),c=0,g=n.length;c<g;c++)"identifier"!=n[c].type||d.match("-"+n[c].value+"-")||(n[c].value=p.name+"."+n[c].value);return(a.match(/^\\expr/)?"\\expr ":"\\decimals ")+b.flatTokens(n)};u=u.replace(/\\expr ([a-zA-Z_0-9\u00C0-\u021B+*/%|&^#!?:()><.'\+\-]*)/gi,
l);u=u.replace(/\\decimals ([a-zA-Z_0-9\u00C0-\u021B+*/%|&^#!?:()><.'\+\-]*)/gi,l);x[n][1]=u}else{l=g.parseText(x[n][1]).textElementsMacros;for(var y=0,B=l.length;y<B;y++){u=b.tokenize(l[y].replace(/\&squot;/g,"'"));for(var E=0,D=u.length;E<D;E++)"identifier"!==u[E].type||d.match("-"+u[E].value+"-")||(u[E].value=this.name+"."+u[E].value);u=b.flatTokens(u).replace(/&squot;/g,"'").replace(/'\+\(/g,"[").replace(/\)\+'/g,"]");l[y]=u.substring(1,u.length-1)}x[n][1]=l.join("")}else{l=x[n][1].replace(/\&squot;/g,
"'").split(";");y=0;for(B=l.length;y<B;y++){u=b.tokenize(l[y].replace(/\\n/g,";"));E=0;for(D=u.length;E<D;E++)"identifier"!==u[E].type||d.match("-"+u[E].value+"-")||(u[E].value=this.name+"."+u[E].value);l[y]=b.flatTokens(u)}x[n][1]=l.join(";")}m=0;for(w=q.length;m<w;m++)if(q[m][0]){x="";e=!1;n=0;for(r=q[m].length;n<r;n++)"type"===h[q[m][n][0]]&&(x="espacio='"+this.spaceID+"' ",e=!0),x=x+q[m][n][0]+"='"+q[m][n][1]+"' ";q[m]=x;e?this.graphics.push(g.parseGraphic(q[m],this.abs_coord,this.background,
this.inirot)):g.parseAuxiliar(q[m])}}}};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,g=this.graphics.length;d<g;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,k,g,b,m,q,r,n,w,x,e,u,l,v;a.norm3D=function(a){return h(a.x*a.x+a.y*a.y+a.z*a.z)};a.normalize3D=function(e){p=a.norm3D(e);if(0===p)return{x:0,y:0,z:0};if(1===p)return{x:e.x,y:e.y,z:e.z};p=1/p;return{x:e.x*p,y:e.y*p,z:e.z*p}};a.dotProduct3D=function(a,e){return a.x*e.x+a.y*e.y+a.z*e.z};a.crossProduct3D=function(a,e){return{x:a.y*e.z-a.z*e.y,y:a.z*e.x-a.x*e.z,z:a.x*e.y-a.y*e.x}};
a.scalarProduct3D=function(a,e){return{x:a.x*e,y:a.y*e,z:a.z*e}};a.subtract3D=function(a,e){return{x:a.x-e.x,y:a.y-e.y,z:a.z-e.z}};a.add3D=function(a,e){return{x:a.x+e.x,y:a.y+e.y,z:a.z+e.z}};a.equals3DEpsilon=function(a,e,b){return Math.abs(a.x-e.x)<=b&&Math.abs(a.y-e.y)<=b&&Math.abs(a.z-e.z)<=b};a.Vector4D=function(a,e,b,n){this.x=a||0;this.y=e||0;this.z=b||0;this.w=n||0};a.Matrix4x4=function(a,e,b,n,c,d,g,f,l,q,k,h,u,r,w,m){this.a00=a||0;this.a01=e||0;this.a02=b||0;this.a03=n||0;this.a10=c||0;
this.a11=d||0;this.a12=g||0;this.a13=f||0;this.a20=l||0;this.a21=q||0;this.a22=k||0;this.a23=h||0;this.a30=u||0;this.a31=r||0;this.a32=w||0;this.a33=m||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(e){return new a.Vector4D(e.x*this.a00+e.y*this.a10+e.z*this.a20+e.w*this.a30,e.x*this.a01+
e.y*this.a11+e.z*this.a21+e.w*this.a31,e.x*this.a02+e.y*this.a12+e.z*this.a22+e.w*this.a32,e.x*this.a03+e.y*this.a13+e.z*this.a23+e.w*this.a33)};a.Matrix4x4.prototype.translate=function(e){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*e.x+this.a10*e.y+this.a20*e.z+this.a30,this.a01*e.x+this.a11*e.y+this.a21*e.z+this.a31,this.a02*e.x+this.a12*e.y+this.a22*e.z+this.a32,this.a03*e.x+this.a13*e.y+this.a23*e.z+
this.a33)};a.Matrix4x4.prototype.rotateX=function(b){c=d(b);k=f(b);r=this.a10;n=this.a11;w=this.a12;x=this.a13;e=this.a20;u=this.a21;l=this.a22;v=this.a23;return new a.Matrix4x4(this.a00,this.a01,this.a02,this.a03,r*k+e*c,n*k+u*c,w*k+l*c,x*k+v*c,r*-c+e*k,n*-c+u*k,w*-c+l*k,x*-c+v*k,this.a30,this.a31,this.a32,this.a33)};a.Matrix4x4.prototype.rotateY=function(n){c=d(n);k=f(n);g=this.a00;b=this.a01;m=this.a02;q=this.a03;e=this.a20;u=this.a21;l=this.a22;v=this.a23;return new a.Matrix4x4(g*k+e*-c,b*k+u*
-c,m*k+l*-c,q*k+v*-c,this.a10,this.a11,this.a12,this.a13,g*c+e*k,b*c+u*k,m*c+l*k,q*c+v*k,this.a30,this.a31,this.a32,this.a33)};a.Matrix4x4.prototype.rotateZ=function(e){c=d(e);k=f(e);g=this.a00;b=this.a01;m=this.a02;q=this.a03;r=this.a10;n=this.a11;w=this.a12;x=this.a13;return new a.Matrix4x4(g*k+r*c,b*k+n*c,m*k+w*c,q*k+x*c,g*-c+r*k,b*-c+n*k,m*-c+w*k,q*-c+x*k,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){a.textNode=
null;0!==parseInt(this.size)&&(a.lineWidth=1,a.fillStyle=this.backColor,a.strokeStyle=this.frontColor,a.beginPath(),a.arc(this.projVert[0].x,this.projVert[0].y,this.size+.5,0,k),a.fill(),a.stroke())}function d(a,b){a.textNode=null;a.lineCap="round";a.lineJoin="round";a.lineWidth="#"==this.backColor.charAt(0)||"#"==this.frontColor.charAt(0)?1:.1;a.beginPath();a.moveTo(this.projVert[0].x,this.projVert[0].y);for(var c=1,e=this.projVert.length;c<e;c++)a.lineTo(this.projVert[c].x,this.projVert[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){a.textNode=null;q=this.evaluator.getVariable(this.family);this.evaluator.setVariable(this.family,this.familyValue);this.drawText(a,this.text,this.projVert[0].x,this.projVert[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.textNode=null;a.lineCap="round";a.lineJoin="round";a.lineWidth=this.lineWidth;a.strokeStyle=this.frontColor;a.beginPath();a.moveTo(this.projVert[0].x,
this.projVert[0].y);a.lineTo(this.projVert[1].x,this.projVert[1].y);a.stroke()}function c(b,c,d){return a.normalize3D(a.crossProduct3D(a.subtract3D(b,c),a.subtract3D(b,d)))}if(a.loadLib)return a;var k=2*Math.PI,g,b,m,q;a.Primitive3D=function(a,b){this.space=b;for(var g in a)a.hasOwnProperty(g)&&(this[g]=a[g]);this.projVert=[];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.projVert=this.vertices;this.depth=this.vertices[0].z;this.average=this.vertices[0];this.passDraw=1})};a.Primitive3D.prototype.computeDepth=function(b){this.space=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 d=0,g=this.vertices.length;d<g;d++)this.spaceVertices[d]=
b.rotateVertex(this.vertices[d]),this.average.x+=this.spaceVertices[d].x,this.average.y+=this.spaceVertices[d].y,this.average.z+=this.spaceVertices[d].z;this.average=a.scalarProduct3D(this.average,1/g);this.depth=a.norm3D(a.subtract3D(b.eye,this.average));2<this.vertices.length&&(this.normal=c(this.spaceVertices[0],this.spaceVertices[1],this.spaceVertices[2]),this.direction=a.dotProduct3D(this.normal,a.normalize3D(b.eye)));this.passDraw=1;d=0;for(g=this.vertices.length;d<g;d++)this.projVert[d]=b.project(this.spaceVertices[d]),
this.passDraw=this.passDraw&&0<this.projVert[d].z;this.minDistanceToEye=Math.Inifinity;this.maxDistanceToEye=-Math.Inifinity;this.miny=this.minx=Math.Inifinity;this.maxx=-Math.Inifinity;this.maxy=-Math.Inifinity;d=0;for(g=this.vertices.length;d<g;d++){var e=a.norm3D(a.subtract3D(this.spaceVertices[d],b.eye));this.minDistanceToEye=Math.min(this.minDistanceToEye,e);this.maxDistanceToEye=Math.max(this.maxDistanceToEye,e)}d=0;for(g=this.vertices.length;d<g;d++)this.minx>this.projVert[d].x&&(minx=this.projVert[d].x),
this.maxx<this.projVert[d].x&&(maxx=this.projVert[d].x),this.miny>this.projVert[d].y&&(miny=this.projVert[d].y),this.mixy<this.projVert[d].y&&(mixy=this.projVert[d].y);b.new3D||(this.passDraw=1)};var r;a.Primitive3D.prototype.removeDoubles=function(){if("edge"!==this.type){r=[];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||r.push(this.vertices[a]);0===r.length&&r.push(this.vertices[0]);this.vertices=r}};a.Primitive3D.prototype.drawText=function(c,d,f,e,q,l,k,h,r,p,D){c.textNode=d;if("rtfNode"==d.type)c.fillStyle=q,c.strokeStyle=q,c.textBaseline="alphabetic",c.textNode.pos={x:f,y:e},d.draw(c,f,e,r,p,k,D);else for("simpleText"===d.type&&(d=d.toString(r,p).split("\\n")),f+=/Arial|Times/i.test(l)?-2:0,g=this.evaluator,c.fillStyle=a.getColor(g,q),c.font=l,c.textAlign=k,c.textBaseline=h,b=1.2*this.fontSize||0,q=
0,l=d.length;q<l;q++)m=d[q],this.border&&c.strokeText(m,f,e+b*q),c.fillText(m,f,e+b*q)};a.Primitive3D.prototype.splitFace=function(b){if(this.intersects(b)){var c=null,d=null,e=0,g=0,f,q,k,h,r,m;m=this.vertices;var p=b.vertices;f=0;for(r=p.length;f<r;f++)if(h=this.intersection(p[f],p[(f+1)%r]),null!==h)if(null===c){if(c=h,e=f,2===p.length){d=c;break}}else if(!a.equals3DEpsilon(h,c,1E-8)){d=h;g=f;break}if(null!==c&&null!==d){f=this.isInterior(c)||this.isInterior(d);k=q=null;if(!f&&3<=p.length)for(r=
0,m=m.length;r<m;r++)if(h=b.intersection(this.vertices[r],this.vertices[(r+1)%m]),null!==h)if(null===q)q=h;else if(!a.equals3DEpsilon(h,q,1E-8)){k=h;break}if(f||null!==q&&null!==k&&b.isInterior(q)&&b.isInterior(k)){k=!0;m=h=null;if(2===p.length)a.equals3DEpsilon(c,p[0],1E-8)||a.equals3DEpsilon(c,p[1],1E-8)?k=!1:(h=[],h[0]=p[0],h[1]=c,m=[],m[0]=c,m[1]=p[1]);else for(h=[],m=[],f=r=q=0;f<p.length;f++)f<e?h[q++]=p[f]:f==e?(h[q++]=p[f],h[q++]=c,m[r++]=c):f<g?m[r++]=p[f]:f==g?(m[r++]=p[f],m[r++]=d,h[q++]=
d):h[q++]=p[f];if(k)return c=[],c[0]=new a.Primitive3D({vertices:h,type:"face",frontColor:b.frontColor,backColor:b.backColor,edges:b.edges,model:b.model},this.space),c[0].normal=b.normal,c[1]=new a.Primitive3D({vertices:m,type:"face",frontColor:b.frontColor,backColor:b.backColor,edges:b.edges,model:b.model},this.space),c[1].normal=b.normal,c}}}return[b]};a.Primitive3D.prototype.intersects=function(a){return this.intersectsPlane(a)&&a.intersectsPlane(this)};a.Primitive3D.prototype.intersectsPlane=
function(b){var c,d,e,f=this.vertices;c=b.vertices;if(0<c.length){d=a.dotProduct3D(c[0],b.normal);e=a.dotProduct3D(f[0],b.normal);if(1E-8>Math.abs(d-e))return!0;for(var g=1,q=f.length;g<q;g++)if(c=a.dotProduct3D(f[g],b.normal),1E-8>Math.abs(d-c)||c>d&&e<d||c<d&&e>d)return!0}return!1};a.Primitive3D.prototype.intersection=function(b,c){var d=this.vertices;if(0<d.length){var e=a.subtract3D(c,b),f=a.dotProduct3D(e,this.normal);if(0!==f&&(d=a.dotProduct3D(a.subtract3D(d[0],b),this.normal)/f,-1E-8<d&&1.00000001>
d))return a.add3D(b,a.scalarProduct3D(e,d))}return null};a.Primitive3D.prototype.isInterior=function(b){var c=this.vertices;if(0<c.length)for(var d=0,e=a.subtract3D(c[0],b),f=0,g=c.length;f<g;f++){var q=a.subtract3D(c[(f+1)%g],b),k=a.dotProduct3D(a.crossProduct3D(e,q),this.normal);if(1E-8>Math.abs(k)){if(0>a.dotProduct3D(e,q))break}else{if(0>d&&0<k||0<d&&0>k)return!1;e=q;d=k}}return!0};a.Primitive3D.prototype.inFrontOf=function(a,b,c){var e,d;if(this.maxx<=b.minx||this.minx>=b.maxx||this.maxy<=b.miny||
this.miny>=b.maxy||this.minDistanceToEye>=b.maxDistanceToEye)return!1;for(var f=0;3>f;f++){e=null;switch(f){case 0:e=this.intersections(b);break;case 1:e=b.verticesContainedIn(this);break;case 2:e=this.verticesContainedIn(b)}if(null!=e&&e!=[]){for(var g=0;g<e.length;g++)a.push(e[g]);for(var g=0,q=e.length;g<q;g++){d=e[g];d=this.space.rayFromEye(d.x,d.y);try{t=this.distanceToEyeAlong(d)-b.distanceToEyeAlong(d);if(t<=-c)return!0;if(t>=c)return!1}catch(k){console.log("Error: inFrontOf")}}}}return!1};
a.Primitive3D.prototype.intersections=function(b){for(var c=[],d,e,f,g=new a.R2,q=this.spaceVertices,k=b.spaceVertices,h=this.projVert,r=b.projVert,m=0,p=q.length;m<p;m++){b=q[m];d=q[(m+1)%p];for(var H=0,G=k.length;H<G;H++)e=k[H],f=k[(H+1)%G],b!=e&&b!=f&&d!=e&&d!=f&&(e=g.intersection(h[m],h[(m+1)%p],r[H],r[(H+1)%G]),null!=e&&c.push(e))}return c};a.Primitive3D.prototype.distanceToEyeAlong=function(b){b=a.dotProduct3D(this.normal,b);if(1E-6<Math.abs(b))return a.dotProduct3D(a.subtract3D(this.average,
this.space.eye),this.normal)/b};a.Primitive3D.prototype.verticesContainedIn=function(a){for(var b=[],c=this.spaceVertices,e=this.projVert,d=0,f=c.length;d<f;d++)!a.isVertex(c[d])&&a.appearsToContain(e[d])&&b.push(e[d]);return b};a.Primitive3D.prototype.appearsToContain=function(a){for(var b=0,c,e=this.projVert,d=0,f=this.spaceVertices.length;d<f;d++){c=(e[d].x-a.x)*(e[(d+1)%f].y-a.y)-(e[(d+1)%f].x-a.x)*(e[d].y-a.y);if(0!=b)if(1E-8>Math.abs(c)){if(1E-8<Math.abs(e[d].x-e[(d+1)%f].x))return Math.min(e[d].x,
e[(d+1)%f].x)<=a.x+1E-8&&a.x<=Math.max(e[d].x,e[(d+1)%f].x)+1E-8;if(1E-8<Math.abs(e[d].y-e[(d+1)%f].y))return Math.min(e[d].y,e[(d+1)%f].y)<=a.y+1E-8&&a.y<=Math.max(e[d].y,e[(d+1)%f].y)+1E-8}else if(0<b&&0>c||0>b&&0<c)return!1;b=c}return!0};a.Primitive3D.prototype.isVertex=function(b){for(var c=this.spaceVertices,d=0,e=c.length;d<e;d++)if(a.equals3DEpsilon(b,c[d],1E-8))return!0;return!1};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h={x:0,y:0,z:0},d,f,p,c,k,g,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 f in c)c.hasOwnProperty(f)&&(this[f]=c[f]);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(){k=this.evaluator.eval(this.inirot);this.inirotEuler?(this.inirotM=this.inirotM.setIdentity(),this.inirotM=this.inirotM.rotateZ(b(k[0][0])),this.inirotM=this.inirotM.rotateX(b(k[0][1])),this.inirotM=this.inirotM.rotateZ(b(k[0][2]))):(this.inirotM_X=this.inirotM_X.setIdentity().rotateX(b(k[0][0])),this.inirotM_Y=this.inirotM_Y.setIdentity().rotateY(b(k[0][1])),this.inirotM_Z=this.inirotM_Z.setIdentity().rotateZ(b(k[0][2])));k=this.evaluator.eval(this.inipos);h={x:k[0][0],y:k[0][1],z:k[0][2]};
this.iniposM=this.iniposM.setIdentity().translate(h);k=this.evaluator.eval(this.endrot);this.endrotEuler?(this.endrotM=this.endrotM.setIdentity(),this.endrotM=this.endrotM.rotateZ(b(k[0][0])),this.endrotM=this.endrotM.rotateX(b(k[0][1])),this.endrotM=this.endrotM.rotateZ(b(k[0][2]))):(this.endrotM_X=this.endrotM_X.setIdentity().rotateX(b(k[0][0])),this.endrotM_Y=this.endrotM_Y.setIdentity().rotateY(b(k[0][1])),this.endrotM_Z=this.endrotM_Z.setIdentity().rotateZ(b(k[0][2])));k=this.evaluator.eval(this.endpos);
h={x:k[0][0],y:k[0][1],z:k[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(){g=[];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++)g.push(this.evaluator.parser.parse(b[e],!0));return g};var m;a.Graphic3D.prototype.splitFace=function(a){for(var b=
0,c=this.primitives.length;b<c;b++)if(m=[],"face"===this.primitives[b].type){for(var d=0,f=a.primitives.length;d<f;d++)"face"===a.primitives[d].type?m=m.concat(this.primitives[b].splitFace(a.primitives[d])):m.push(a.primitives[d]);a.primitives=m}};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,k,g;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();g=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];k=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,k,1))],type:"edge",frontColor:this.color.getColor(),lineWidth:evaluator.eval(this.width)},this.space));evaluator.setVariable("u",g)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,k,g,b,m,q,r,n,w,x;a.Surface3D=function(e,b){this.parameter="t";this.parameter_interval=
e.evaluator.parser.parse("[0,1]");this.parameter_steps=e.evaluator.parser.parse("8");a.Graphic3D.call(this,e,b);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");k=h.getVariable("z");d=h.getVariable("u");f=h.getVariable("v");h.setVariable("u",0);h.setVariable("v",0);g=h.eval(this.Nu);b=h.eval(this.Nv);m=[];for(r=0;r<=g;r++)for(h.setVariable("u",r/
g),n=0;n<=b;n++){h.setVariable("v",n/b);w=0;for(x=this.expresion.length;w<x;w++)h.eval(this.expresion[w]);m.push(this.transformVertex(new a.Vector4D(h.getVariable("x"),h.getVariable("y"),h.getVariable("z"),1)))}for(r=0;r<g;r++)for(n=0;n<b;n++)q=[],q.push(m[n+r*b+r]),q.push(m[n+1+r*b+r]),q.push(m[n+2+(r+1)*b+r]),q.push(m[n+1+(r+1)*b+r]),this.primitives.push(new a.Primitive3D({vertices:q,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",k);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,k;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 g=0,b=expr.length-1;g<b;g++)h=
expr[g][0],d=expr[g][1],f=expr[g][2],p=expr[g+1][0],c=expr[g+1][1],k=expr[g+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,k,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,k;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");k=evaluator.getVariable("z");f=evaluator.getVariable("u");evaluator.setVariable("u",0);d=evaluator.eval(this.Nu);h=[];for(var g=0;g<=d;g++){evaluator.setVariable("u",g/d);for(var b=0,m=this.expresion.length;b<m;b++)evaluator.eval(this.expresion[b]);h.push(this.transformVertex(new a.Vector4D(evaluator.getVariable("x"),
evaluator.getVariable("y"),evaluator.getVariable("z"),1)))}g=0;for(b=h.length-1;g<b;g++)this.primitives.push(new a.Primitive3D({vertices:[h[g],h[g+1]],type:"edge",frontColor:this.color.getColor(),lineWidth:evaluator.eval(this.width)},this.space));evaluator.setVariable("x",p);evaluator.setVariable("y",k);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,k,g,b,m;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];k=expr[1][2];g=expr[2][0];b=expr[2][1];m=expr[2][2];this.primitives.push(new a.Primitive3D({vertices:[this.transformVertex(new a.Vector4D(h,d,f,1)),this.transformVertex(new a.Vector4D(g,b,m,1)),this.transformVertex(new a.Vector4D(p,c,k,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 k=0;k<h;k++)d.push(this.transformVertex(new a.Vector4D(f*Math.cos(c*k),p*Math.sin(c*k),0,1)));for(k=0;k<h;k++)this.primitives.push(new a.Primitive3D({vertices:[d[0],k+2<=h?d[k+2]:d[1],d[k+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,g){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,g);for(var b in g)g.hasOwnProperty(b)&&(this[b]=g[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 m=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 q=this.evaluator.eval(this.expresion),r;q&&((r=document.getElementById(q))&&"descartes/macro"==r.type?r=r.text:(r=a.openExternalFile(q))&&
!r.match(/tipo_de_macro/g)&&(r=null));var n,p;if(r){p=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 q=0,x=p.length;q<x;q++)n=p[q].indexOf("="),-1!==n&&(n=p[q].substring(0,n),"id"!==h[n]&&"type"!==h[n]||r.push(b.split(p[q])));for(var e,u,l,v,q=0,x=r.length;q<x;q++)for(v=(e=r[q]||[],e[0])&&"id"===e[0][0],p=0,n=e.length;p<n;p++)if(u=e[p][0].indexOf("."),-1===u||v?u=h[e[p][0]]:(u=h[e[p][0].substring(u+1)],e[p][0]=this.name+"."+e[p][0]),!("font"===u||("fill"===u||"color"===u||"backcolor"===u||"arrow"===u)&&"("!==e[p][1].charAt(0)||"file"===u&&e[p][1].match(f)||"id"!==u&&void 0!==h[e[p][1]])||
"width"===u||"height"===u||"length"===u)if("text"==u)if(e[p][1].match(/\{\\rtf1/)){u=e[p][1];var y=this;l=function(a,e){for(var b=m.tokenize(e.replace(/\&squot;/g,"'")),c=0,f=b.length;c<f;c++)"identifier"!=b[c].type||d.match("-"+b[c].value+"-")||(b[c].value=y.name+"."+b[c].value);return(a.match(/^\\expr/)?"\\expr ":"\\decimals ")+m.flatTokens(b)};u=u.replace(/\\expr ([a-zA-Z_0-9\u00C0-\u021B+*/%|&^#!?:()><.']*)/gi,l);u=u.replace(/\\decimals ([a-zA-Z_0-9\u00C0-\u021B+*/%|&^#!?:()><.']*)/gi,l);e[p][1]=
u}else{l=b.parseText(e[p][1]).textElementsMacro3Ds;for(var B=0,E=l.length;B<E;B++){u=m.tokenize(l[B].replace(/\&squot;/g,"'"));for(var D=0,F=u.length;D<F;D++)"identifier"!==u[D].type||d.match("-"+u[D].value+"-")||(u[D].value=this.name+"."+u[D].value);u=m.flatTokens(u).replace(/&squot;/g,"'").replace(/'\+\(/g,"[").replace(/\)\+'/g,"]");l[B]=u.substring(1,u.length-1)}e[p][1]=l.join("")}else{u=m.tokenize(e[p][1]);l=0;for(B=u.length;l<B;l++)"identifier"!==u[l].type||d.match("-"+u[l].value+"-")||(u[l].value=
this.name+"."+u[l].value);e[p][1]=m.flatTokens(u)}q=0;for(x=r.length;q<x;q++)if(r[q][0]){e="";v=!1;p=0;for(n=r[q].length;p<n;p++)"type"===h[r[q][p][0]]&&(e="espacio='"+this.spaceID+"' ",v=!0),e=e+r[q][p][0]+"='"+r[q][p][1]+"' ";r[q]=e;v?this.graphics.push(b.parse3DGraphic(r[q],this.abs_coord,this.background,this.inirot)):b.parseAuxiliar(r[q])}}q=0;for(x=this.graphics.length;q<x;q++)this.graphics[q].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,e,b,c,f){d.call(this,a/1.8,a/1.8,a/1.8,c,f)}function d(a,b,c,d,f){a/=2;b/=2;c/=2;this.changeGeometry(a,b,c,d,f)||(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,f))}function f(a,b,c,d,f){a/=2;this.changeGeometry(a,b,c,d,f)||(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,f))}function p(a,b,c,d,f){a/=2;this.changeGeometry(a,b,c,d,f)||(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,f))}function c(b,c,d,f,g){b/=3.4;if(!this.changeGeometry(b,c,d,f,g)){F=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,F,H,1),new e(0,F,-H,1),new e(0,-F,H,1),new e(0,-F,-H,1),new e(F,H,0,1),new e(F,-H,0,1),
new e(-F,H,0,1),new e(-F,-H,0,1),new e(H,0,F,1),new e(H,0,-F,1),new e(-H,0,F,1),new e(-H,0,-F,1)];G=(new a.Matrix4x4).setIdentity().rotateY(-w/6);A=0;for(J=this.vertices.length;A<J;A++)this.vertices[A]=G.multiplyVector4(this.vertices[A]);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,f,g)}}function k(b,c,d,f,g){b/=4;if(!this.changeGeometry(b,
c,d,f,g)){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]];G=(new a.Matrix4x4).setIdentity().rotateY(-1.029);A=0;for(J=this.vertices.length;A<
J;A++)this.vertices[A]=G.multiplyVector4(this.vertices[A]);this.updateValues(b,c,d,f,g)}}function g(a,b,c,d,f){a/=2;this.isSphere?c=b=a:(b/=2,c/=2);if(!this.changeGeometry(a,b,c,d,f)){this.vertices=[new e(0,0,b,1)];for(A=1;A<d;A++)for(D=A*w/d,I=0;I<f;I++)E=I*x/f,v=a*r(D)*n(E),y=c*r(D)*r(E),B=b*n(D),this.vertices.push(new e(v,y,B,1));this.vertices.push(new e(0,0,-b,1));this.faces=[];for(A=0;A<f;A++)this.faces.push([0,(A+1)%f+1,A%f+1]);for(A=1;A<d-1;A++)for(I=0;I<f;I++)this.faces.push([I+1+(A-1)*f,
(I+1)%f+1+(A-1)*f,(I+1)%f+1+A*f,I+1+A*f]);for(A=0;A<f;A++)this.faces.push([this.vertices.length-1,this.vertices.length-1-f+A,this.vertices.length-1-f+(A+1)%f]);this.updateValues(a,b,c,d,f)}}function b(a,b,c,d,f){a/=2;b/=2;c/=2;if(!this.changeGeometry(a,b,c,d,f)){this.vertices=[];for(A=0;A<f;A++)for(I=0;I<d;I++)v=a*(f-A)/f*n(I*x/d),y=c*(f-A)/f*r(I*x/d),B=b-2*A*b/f,this.vertices.push(new e(v,y,B,1));this.vertices.push(new e(0,0,-b,1));this.faces=[];for(A=0;A<f-1;A++)for(I=0;I<d;I++)this.faces.push([I+
A*d,(I+1)%d+A*d,(I+1)%d+(A+1)*d,I+(A+1)*d]);for(A=0;A<d;A++)this.faces.push([this.vertices.length-1,this.vertices.length-1-d+A,this.vertices.length-1-d+(A+1)%d]);this.updateValues(a,b,c,d,f)}}function m(a,b,c,d,f){a/=2;b/=2;c/=2;if(!this.changeGeometry(a,b,c,d,f)){this.vertices=[];for(A=0;A<f+1;A++)for(I=0;I<d;I++)v=a*n(I*x/d),y=c*r(I*x/d),B=b-2*A*b/f,this.vertices.push(new e(v,y,B,1));this.faces=[];for(A=0;A<f;A++)for(I=0;I<d;I++)this.faces.push([I+A*d,(I+1)%d+A*d,(I+1)%d+(A+1)*d,I+(A+1)*d]);this.updateValues(a,
b,c,d,f)}}function q(){function a(b){return parseInt(b)}function b(a){return parseFloat(a)}this.vertices=[];this.faces=[];A=0;for(J=this.fileData.length;A<J;A++)K=this.fileData[A],K.match(/^V\(/)?(C=K.substring(2,K.length-1).split(",").map(b),this.vertices.push(new e(C[0]||0,C[1]||0,C[2]||0,1))):K.match(/^F\(/)&&(C=K.substring(2,K.length-1).split(",").map(a),this.faces.push(C.reverse()))}if(a.loadLib)return a;var r=Math.sin,n=Math.cos,w=Math.PI,x=2*w,e,u,l,v,y,B,E,D,F,H,G,K,C,A,J,I,N;a.OtherGeometry=
function(n,l){this.width=n.evaluator.parser.parse("2");this.height=n.evaluator.parser.parse("2");this.length=n.evaluator.parser.parse("2");e=a.Vector4D;a.Graphic3D.call(this,n,l);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=g;break;case "dodecahedron":this.buildGeometry=c;break;case "icosahedron":this.buildGeometry=
k;break;case "cone":this.buildGeometry=b;break;case "cylinder":this.buildGeometry=m;break;case "mesh":this.fileData=a.openExternalFile(this.evaluator.eval(this.file)).split(/\r/),this.buildGeometry=q}};a.extend(a.OtherGeometry,a.Graphic3D);a.OtherGeometry.prototype.buildPrimitives=function(){u=this.evaluator;this.updateMVMatrix();this.buildGeometry(u.eval(this.width),u.eval(this.height),u.eval(this.length),u.eval(this.Nu),u.eval(this.Nv));A=0;for(J=this.faces.length;A<J;A++){l=[];I=0;for(N=this.faces[A].length;I<
N;I++)l.push(this.transformVertex(this.vertices[this.faces[A][I]]));this.primitives.push(new a.Primitive3D({vertices:l,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,e,c,d){return this.oldWidth===a&&this.oldHeight===b&&this.oldLength===e&&this.oldNu===c&&this.oldNv===d};a.OtherGeometry.prototype.updateValues=function(a,b,e,c,d){this.oldWidth=a;this.oldHeight=b;
this.oldLength=e;this.oldNv=d;this.oldNu=c};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,k=Math.abs,g=Math.round,b,m,q,r,n,w,x,e,u,l,v,y,B,E,D,F,H,G;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 g(h(d(this.x,32E3),-32E3))};a.R2.prototype.iy=function(){return g(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){m=this.copy();m.sub(a);return m.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){q=this.copy();w=p(a);x=c(a);this.x=q.x*w-q.y*x;this.y=q.x*x+q.y*w};a.R2.prototype.rot=function(a){this.rot(a*f/180)};a.R2.prototype.intersection=
function(b,c,f,g){e=c.x-b.x;u=f.x-g.x;l=f.x-b.x;v=c.y-b.y;y=f.y-g.y;B=f.y-b.y;G=e*y-u*v;return 1E-6<k(G)?(r=(l*y-B*u)/G,n=(-l*v+B*e)/G,0<=r&&1>=r&&0<=n&&1>=n?new a.R2(b.x+e*r,b.y+v*r):null):(c.x-f.x)*B!=(c.y-f.y)*l?null:b.x!=c.x?(E=d(b.x,c.x),D=h(b.x,c.x),E<=f.x&&f.x<=D?f:E<=g.x&&g.x<=D?g:null):f.x!=g.x?(F=d(f.x,g.x),H=h(f.x,g.x),F<=b.x&&b.x<=H?b:F<=c.x&&c.x<=H?c:null):b.y!=c.y?(E=d(b.y,c.y),D=h(b.y,c.y),E<=f.y&&f.y<=D?f:E<=g.y&&g.y<=D?g:null):f.y!=g.y?(F=d(f.y,g.y),H=h(f.y,g.y),F<=b.y&&b.y<=H?b:
F<=c.y&&c.y<=H?c:null):b.x==f.x&&b.y==f.y?b:null};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h,d,f,p,c,k,g,b,m;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];k=new a.R2(0,0);c=new a.R2(0,0);m=new a.R2(0,0)};a.R2Newton.prototype.getUnitNormal=function(){this.normal.normalize();return m.set(this.normal.x,this.normal.y)};a.R2Newton.prototype.gradient=function(a){h=this.evaluator;k.x=0;k.y=0;g=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);k.x=(d-
this.f0)/1E-6;k.x=isNaN(k.x)?Infinity:k.x;h.setVariable("x",h.getVariable("x")-1E-6);h.setVariable("y",h.getVariable("y")+1E-6);d=h.eval(this.constraint);k.y=(d-this.f0)/1E-6;k.y=isNaN(k.y)?Infinity:k.y;h.setVariable("x",g);h.setVariable("y",b);return k};a.R2Newton.prototype.findZero=function(a,d,n){h=this.evaluator;c.x=a.x;c.y=a.y;g=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",g);h.setVariable("y",b);for(var k=0;16>k;k++)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 n?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,k,g,b,m,q,r,n,w,x,e;a.Control=function(b,
e){this.parent=b;this.evaluator=b.evaluator;var c=this.parser=b.evaluator.parser;this.id="graphic"!==e.type?"C":"G";this.gui=this.type="";this.region="south";this.y=this.x=0;this.w="video"!==e.type?100:350;this.h="video"!==e.type?23:120;"graphic"!==e.type&&"audio"!==e.type&&"video"!==e.type?"text"!==e.type?this.expresion=c.parse("(0,0,100,23)"):(this.expresion=c.parse("(0,0,300,200)"),this.w=300,this.h=200):this.expresion=c.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"!==e.type?"f0f8ff":"cc0022");this.underlined=this.italics=this.bold="";this.font_size=4>this.parent.version?-1:c.parse("12");this.parameter=this.action="";this.parameterFont="Monospace 12px";this.drawif=c.parse("1");this.activeif=c.parse("1");this.tooltip="";this.tooltipFont="Monospace 12px";this.Explanation="";this.ExplanationFont="Monospace 12px";this.cID=this.msg_pos="";this.valueExpr=c.parse("0");this.decimals=
c.parse("2");this.min=c.parse("-Infinity");this.max=c.parse("Infinity");this.incr=c.parse("0.1");this.exponentialif=this.discrete=!1;this.zIndex=-1;for(var f in e)e.hasOwnProperty(f)&&(this[f]=e[f]);"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;c=this.evaluator.eval(this.expresion);this.x=d(c[0][0]);
this.y=d(c[0][1]);4==c[0].length&&(this.w=d(c[0][2]),this.h=d(c[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 e=0,c=a.length;e<c;e++){if(b=a[e],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=k=g=b=!1;m=this.evaluator.eval(this.expresion);q=d(m[0][0]);c=d(this.x)!==q;this.x=q;q=d(m[0][1]);k=d(this.y)!==q;this.y=q;4===m[0].length&&(q=d(m[0][2]),g=d(this.w)!==q,this.w=q,q=d(m[0][3]),b=d(this.h)!==q,this.h=q);if(g||b||c||k)this.init(!0),
this.draw()};a.Control.prototype.formatOutputValue=function(a){e=this.parent;r=a+"";n=this.evaluator.eval(this.decimals);w=r.indexOf(".");-1!=w&&(x=r.substring(w+1),x.length>n&&(r=parseFloat(r).toFixed(n)));this.fixed&&(2!==e.version||2===e.version&&!this.exponentialif)&&(r=parseFloat(a).toFixed(n));this.exponentialif&&0!=parseFloat(r)&&(r=this.fixed&&2!==e.version?parseFloat(r).toExponential(n):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 e=0;e<b;e++)p=h(e-35*b/100),this.linearGradient.addColorStop(e/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,k,g,b,m,q,r,n,w,x,e,u,l,v,y,B,E=/[\w\.\-//]*(\.gif)/gi,D,F,H,G,K,C,A,J,I,N,z,M,L;a.Button=function(b,e){this.imageSrc="";this.image=new Image;this.imageOver=new Image;this.imageDown=new Image;a.Control.call(this,b,e);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 c;this.classContainer="";if(this.imageSrc.trim().match("^_STYLE_")){this.customStyle=!0;this.canvasStyle=[];this.conStyle=[];this.conStyle.textBorder=3;c=this.imageSrc.trim().substring(8).split("|");for(var d,f,g=0,n=c.length;g<n;g++)d=c[g],f=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:(f?"":"#")+d.substring(12).trim()}):d.match("overColor=")?this.conStyle.overColor=(f?"":"#")+d.substring(10).trim():d.match("downColor=")?this.conStyle.downColor=(f?"":"#")+d.substring(10).trim():d.match("font=")?this.conStyle.font=d.substring(5).trim().toLowerCase():d.match("inactiveColor=")?
this.conStyle.inactiveColor=(f?"":"#")+d.substring(14).trim():d.match("inactiveColorBorder=")?this.conStyle.inactiveColorBorder=(f?"":"#")+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=
(f?"":"#")+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=(f?"":"#")+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=(f?"":"#")+d.substring(20).trim():d.match("textBorder=")&&(this.conStyle.textBorder=parseFloat(d.substring(11).trim()));this.imageSrc="vacio.gif"}this.imageSrc.match("_COLORES_")&&(c=this.imageSrc.split("_"),this.colorInt=new a.Color(c[2]),
this.color=new a.Color(c[3]),this.font_size=this.parser.parse(c[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+"'");c=this.evaluator.eval(this.imageSrc).toString().trim();""!=c&&(d=c.substr(0,c.lastIndexOf(".")),f=c.substr(c.lastIndexOf(".")),c.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(c),d&&(this.imageOver=this.parent.getImage(d+"_over"+f),this.imageDown=this.parent.getImage(d+"_down"+f))));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;k=f.eval(this.expresion);this.x=k[0][0];this.y=k[0][1];4==k[0].length&&(this.w=parseInt(k[0][2]),this.h=parseInt(k[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 "+a.sansserif_font;this.customStyle&&("serif"==this.conStyle.font?c.font=this.italics+" "+this.bold+" "+this.fs_evaluated+
"px "+a.serif_font:"monospace"==this.conStyle.font&&(c.font=this.italics+" "+this.bold+" "+this.fs_evaluated+"px "+a.monospace_font));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);m=this.evaluator.eval(this.imageSrc).toString().trim();if(!d&&(F=this.over===this.oldOver,H=this.buttonClick===this.oldButtonClick,G=this.activeIfValue===this.oldActiveIfValue,K=this.drawIfValue===this.oldDrawIfValue,C=b===this.oldName,A=m===this.oldImageSrc,this.oldOver=this.over,
this.oldButtonClick=this.buttonClick,this.oldActiveIfValue=this.activeIfValue,this.oldDrawIfValue=this.drawIfValue,this.oldName=b,this.oldImageSrc=m,F&&H&&G&&K&&C&&A))return;c.save();c.setTransform(this.ratio,0,0,this.ratio,0,0);g=this.fs_evaluated;D.setAttribute("data-name",b);m?(q="vacio.gif"===m?this.emptyImage:this.parent.getImage(m),J=m.substr(0,m.lastIndexOf(".")),I=m.substr(m.lastIndexOf(".")),N=J+"_over"+I,z=J+"_down"+I,M="vacio.gif"===m?this.emptyImage:this.parent.getImage(N),L="vacio.gif"===
m?this.emptyImage:this.parent.getImage(z)):L=M=q=this.emptyImage;c.clearRect(0,0,this.w,this.h);n=r=0;this.buttonClick&&(n=r=1);u=h(this.w/2+r)-.5;l=h(this.h/2+n)-.5;q&&(v=q.height||1E8,y=a.getFontMetrics(this.italics+" "+this.bold+" "+g+"px descartesJS_sansserif, Arial, Helvetica, Sans-serif").h,B=""!=b?0<=this.h-v-y-2?!0:!1:!1,x=parseInt((this.w-q.width)/2)+r,e=B?parseInt((this.h-y-q.height+2)/2):parseInt((this.h-q.height)/2)+n,B&&(l=parseInt(this.h-y/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()));q&&q.ready?q!==this.emptyImage&&q.complete?m.match(E)?(this.canvas.style.backgroundRepeat="no-repeat",this.canvas.style.backgroundImage="url('"+m+"')",this.canvas.style.backgroundPosition=x+"px "+e+"px"):c.drawImage(q,x,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&&(M!==this.emptyImage&&this.over&&M.ready&&M.complete?N.match(E)?(this.canvas.style.backgroundImage="url('"+N+"')",this.canvas.style.backgroundPosition=x+"px "+e+"px"):c.drawImage(M,x,e):this.customStyle&&this.conStyle.overColor&&
this.over&&(D.style.backgroundColor=this.conStyle.overColor));this.activeIfValue?L!==this.emptyImage&&this.buttonClick&&L.ready&&L.complete?z.match(E)?(this.canvas.style.backgroundImage="url('"+z+"')",this.canvas.style.backgroundPosition=x+"px "+e+"px"):c.drawImage(L,x,e):this.customStyle&&this.conStyle.downColor&&this.buttonClick&&(D.style.backgroundColor=this.conStyle.downColor):this.buttonClick&&!q&&(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,u,l));B||this.conStyle||!this.drawTextBorder()||(c.lineWidth=parseInt(g/6),c.strokeStyle=this.colorInt.getColor(),c.strokeText(b,u,l));c.fillText(b,u,l);this.underlined&&(w=c.measureText(b).width,c.strokeStyle=this.color.getColor(),c.lineWidth=h(g/10)||2,c.lineCap="round",c.beginPath(),c.moveTo(parseInt((this.w-w)/2)+r,l+h(g/
2)+h(g/5)-1.5),c.lineTo(parseInt((this.w+w)/2)+r,l+h(g/2)+h(g/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=x;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(e,c,g){a.clearTimeout(f);d.buttonClick&&d.drawIfValue&&d.activeIfValue&&(c.call(d),e=g?e:100,f=a.setTimeout(function(){b(e,c,!1)},e))}function e(f){this.focus();f.preventDefault();f.stopPropagation();document.activeElement!=document.body&&document.activeElement.blur();d.whichBtn=a.whichBtn(f);"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,f;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,k,g,b,m,q,r,n,w,x,e,u,l,v;a.Spinner=function(b,e){a.Control.call(this,b,e);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);v=this.evaluator.parser.parse("1");
this.originalIncr=this.incr;if(0>=this.evaluator.eval(this.decimals)||0==this.evaluator.eval(this.incr)){var d=this.evaluator.eval(this.incr);0<d?this.originalIncr=this.incr=this.evaluator.parser.parse(parseInt(d).toString()):this.incr=v}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 e=this.formatOutputValue(this.value);
this.fieldFontSize=2!==this.parent.version?a.getFieldFontSize(this.h):10;var d=2!==this.parent.version?"__":"_____",c=a.getTextWidth(e+"_",this.fieldFontSize+"px Arial"),f=2+parseInt(this.h/2),g=parseInt(this.w/2-f/2),d=a.getTextWidth(b+d,this.fieldFontSize+"px Arial");this.visible||(g=this.w-f,c=0);g<d&&(g=d);""==b&&(g=0);this.w-g-f<c&&(g=this.w-f-c);0>g&&(g=0);b=this.w-(g+f);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",f+"px");this.canvas.setAttribute("height",this.h+"px");this.canvas.setAttribute("style","position: absolute; left: "+g+"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 : "+
f+"px; height : "+this.h/2+"px; left: "+g+"px; top: 0px;");this.divDown.setAttribute("class","down");this.divDown.setAttribute("style","background-color: rgba(255, 255, 255, 0); cursor: pointer; position: absolute; width : "+f+"px; height : "+this.h/2+"px; left: "+g+"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: "+(f+g)+"px;");this.field.setAttribute("tabindex",this.tabindex);this.field.value=e;this.visible||(this.field.style.display="none");this.label.setAttribute("class","DescartesSpinnerLabel");this.label.setAttribute("style","font-size:"+this.fieldFontSize+"px; width: "+g+"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=v):this.incr=0!=h.eval(this.originalIncr)?this.originalIncr:v;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;k=this.canvas.width;g=this.canvas.height;c.fillStyle=
"#f0f8ff";c.fillRect(0,0,k,g);c.fillStyle=this.linearGradient;c.fillRect(0,0,k,g);this.up?(b="gray",m="#f0f8ff"):(b="#f0f8ff",m="gray");a.drawLine(c,0,0,k,0,b);a.drawLine(c,0,0,0,g/2,b);a.drawLine(c,0,g/2,k,g/2,m);this.down?(b="gray",m="#f0f8ff"):(b="#f0f8ff",m="gray");a.drawLine(c,0,g/2+1,k,g/2+1,b);a.drawLine(c,0,g/2+1,0,g,b);a.drawLine(c,0,g-1,k,g-1,m);q=[parseInt(k/2+1),parseInt(k/5+1),parseInt(k-k/5+1)];r=[parseInt(g/8+1),parseInt(g/8+1+g/4),parseInt(g/8+1+g/4)];c.fillStyle=this.activeIfValue?
"#2244cc":"#8888aa";c.beginPath();c.moveTo(q[0],r[0]);c.lineTo(q[1],r[1]);c.lineTo(q[2],r[2]);c.fill();r=[parseInt(g-g/8),parseInt(g-g/8-g/4),parseInt(g-g/8-g/4)];c.fillStyle=this.activeIfValue?"#d00018":"#aa8888";c.beginPath();c.moveTo(q[0],r[0]);c.lineTo(q[1],r[1]);c.lineTo(q[2],r[2]);c.fill();c.fillStyle="rgba(0,0,0,"+24/255+")";this.up&&c.fillRect(0,0,k,g/2);this.down&&c.fillRect(0,g/2,k,g)};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,".");n=a==parseFloat(a)?parseFloat(a):parseFloat(h.eval(h.parser.parse(a)));isNaN(n)&&(n=0);e=h.eval(this.min);u=h.eval(this.max);""===e&&(e=-Infinity);""===u&&(u=Infinity);n<e&&(n=e);n>u&&(n=u);this.discrete&&(w=h.eval(this.incr),n=0==w?0:w*Math.round(n/w));x=h.eval(this.decimals);0>=x&&(x=0);return n=parseFloat(parseFloat(n).toFixed(x))};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(e,d,c){a.clearTimeout(q);if(g.up||g.down)d.call(g),e=c?e:30,q=a.setTimeout(function(){b(e,
d)},e)}function e(d){d.preventDefault();g.whichBtn=a.whichBtn(d);"L"==g.whichBtn&&g.activeIfValue&&(g.up=!0,b(n,g.increase,!0),g.draw())}function d(e){e.preventDefault();g.whichBtn=a.whichBtn(e);"L"==g.whichBtn&&g.activeIfValue&&(g.down=!0,b(n,g.decrease,!0),g.draw())}function c(b){g.up=!1;a.clearTimeout(q);g.draw()}function f(b){g.down=!1;a.clearTimeout(q);g.draw()}l=a.hasTouchSupport;var g=this,n=l?500:200,q;g.divUp.oncontextmenu=g.divDown.oncontextmenu=g.field.oncontextmenu=g.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&&g.changeValue(g.field.value)});this.divUp.addEventListener("touchstart",e);this.divUp.addEventListener("mousedown",e);this.divDown.addEventListener("touchstart",d);this.divDown.addEventListener("mousedown",d);this.divUp.addEventListener("mouseout",function(b){g.up=
!1;a.clearTimeout(q);g.draw();b.preventDefault()});this.divDown.addEventListener("mouseout",function(b){g.down=!1;a.clearTimeout(q);g.draw();b.preventDefault()});this.divUp.addEventListener("touchend",c);window.addEventListener("touchend",c);this.divUp.addEventListener("mouseup",c);window.addEventListener("mouseup",c);this.divDown.addEventListener("touchend",f);window.addEventListener("touchend",f);this.divDown.addEventListener("mouseup",f);window.addEventListener("mouseup",f);document.addEventListener("visibilitychange",
function(b){g.up=!1;g.down=!1;a.clearTimeout(q);g.draw()});g.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,k;a.TextField=function(d,b){a.Control.call(this,d,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 c=this.answerPattern.indexOf("|");this.firstAnswer=-1==c?this.answerPattern:this.answerPattern.substring(0,
c)}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 d=h.eval(this.name).toString();this.label.innerHTML=d;this.value=this.validateValue(h.eval(this.valueExpr));var b=this.formatOutputValue(this.value);
this.fieldFontSize=a.getFieldFontSize(this.h);var c=a.getTextWidth(b+"_",this.fieldFontSize+"px Arial"),f=parseInt(this.w/2),k=a.getTextWidth(d,this.fieldFontSize+"px Arial");this.visible||(f=this.w,c=0);f<k&&(f=k);""==d&&(f=0);this.w-f<c&&(f=this.w-c);0>f&&(f=0);d=this.w-f;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 : "+d+"px; height : "+this.h+"px; left: "+f+"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: "+f+"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);k=h.eval(this.max);""==k&&(k=Infinity);p<c&&(p=c);p>k&&(p=k);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,k,g,b,m,q,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 d=f.eval(this.name).toString();this.label.innerHTML=d;this.fieldFontSize=2!=this.parent.version?a.getFieldFontSize(this.h):10;var c=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>c&&(c=g,e=b);c+=25;g=a.getTextWidth(this.formatOutputValue(f.eval(this.strValue[e])),this.fieldFontSize+"px Arial")+7;e=a.getTextWidth(d,this.fieldFontSize+"px Arial")+10;""==d&&(e=0);this.visible||(g=0);for(d=this.w-g-e;d<c&&0<e;)e--,d++;for(;d<c&&0<g;)g--,d++;for(;e+d+g+1<this.w;)d++,g++;c=e;b=c+d;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: "+d+"px; height: "+this.h+"px; left: "+c+"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){g=!1;b="";m=0;for(q=-1;m<a.length;){r=a.charAt(m);a.charAt(m-1);if("["===r&&-1===q){if(g||""!=b)b+="\u00a6";q++}else"["===r?q++:"]"===r&&0===q?(g=!0,q--):"]"==a.charAt(m)&&(q=0>q?q:q-1);b+=a.charAt(m);m++}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++)k=h(a-parseFloat(this.evaluator.eval(this.strValue[b]))),k<=c&&(c=
k,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,k,g,b,m,q,r,n,w,x,e,u,l,v,y;a.Scrollbar=function(b,e){a.Control.call(this,b,e);"["===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 e=d.eval(f.name).toString();f.label.innerHTML=e;var c="v"===f.orientation?parseInt(19+5*(f.h-100)/100):f.h;f.fieldFontSize="v"===f.orientation?c-parseInt(f.h/20)-1:2!==f.parent.version?a.getFieldFontSize(c):10;var g=a.getTextWidth(b+"_",f.fieldFontSize+"px Arial"),n=f.parent.getSpaceById(f.spaceID).h;f.labelHeight=""==e?0:c;f.fieldHeight=""==f.visible?0:c;if("v"===f.orientation)f.canvasWidth=
f.w,f.canvasHeight=f.h-f.labelHeight-f.fieldHeight,18<=f.canvasHeight+f.y-n&&(f.canvasHeight=n),e=0,e=f.fieldHeight,g=e+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=e+f.downH;else{c=a.getTextWidth(e,f.fieldFontSize+"px Arial")+10;f.labelWidth=c;f.fieldWidth=g;""==e&&(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++;e=f.labelWidth;c=e+g;f.fieldWidth=f.w-c;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=c-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=e+f.downW;f.scrollManipulatorLimSup=e+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;k=f.ctx;b=h(this.w);g=h(this.h);k.fillStyle="#e0e4e8";k.fillRect(0,0,b,g);k.strokeStyle="#7a8a99";f.down&&(k.fillStyle="#ccdcec",
k.fillRect(f.downX+.5,f.downY+.5,f.downW,f.downH-1));k.strokeRect(f.downX+.5,f.downY+.5,f.downW,f.downH-1);f.up&&(k.fillStyle="#ccdcec",k.fillRect(f.upX+.5,f.upY-.5,f.upWidth,f.upHeight+1));k.strokeRect(f.upX+.5,f.upY-.5,f.upWidth,f.upHeight+1);m=4;k.fillStyle="black";k.beginPath();"h"===f.orientation?(k.moveTo(f.downX+m,f.downH/2),k.lineTo(f.downX+f.downW-m,m),k.lineTo(f.downX+f.downW-m,f.downH-m),k.moveTo(f.upX+f.upWidth-m,f.downH/2),k.lineTo(f.upX+m,m),k.lineTo(f.upX+m,f.downH-m),k.fill(),f.activeIfValue&&
(q=h(f.pos),k.fillStyle="#ccdcec",k.fillRect(q+.5,0,h(f.scrollManipulatorW),g),k.strokeStyle="#6382bf",k.strokeRect(q+.5,0,h(f.scrollManipulatorW),g),r=h(f.scrollManipulatorW/2),k.beginPath(),k.moveTo(q+r+.5-2,3),k.lineTo(q+r+.5-2,g-3),k.moveTo(q+r+.5,3),k.lineTo(q+r+.5,g-3),k.moveTo(q+r+.5+2,3),k.lineTo(q+r+.5+2,g-3),k.stroke())):(k.moveTo(f.downX+f.downW/2,f.downY+f.downH-m),k.lineTo(f.downX+m,f.downY+m),k.lineTo(f.downX+f.downW-m,f.downY+m),k.moveTo(f.upX+f.upWidth/2,f.upY+m),k.lineTo(f.upX+m,
f.upY+f.upHeight-m),k.lineTo(f.upX+f.upWidth-m,f.upY+f.upHeight-m),k.fill(),f.activeIfValue&&(q=h(f.pos),k.fillStyle="#ccdcec",k.fillRect(0,q+.5,b,h(f.scrollManipulatorH)),k.strokeStyle="#6382bf",k.strokeRect(0,q+.5,b,h(f.scrollManipulatorH)),r=h(f.scrollManipulatorH/2),k.beginPath(),k.moveTo(3,q+r+.5-2),k.lineTo(b-3,q+r+.5-2),k.moveTo(3,q+r+.5),k.lineTo(b-3,q+r+.5),k.moveTo(3,q+r+.5+2),k.lineTo(b-3,q+r+.5+2),k.stroke()));k.strokeRect(.5,.5,b-1,g-1);f.activeIfValue||(k.fillStyle="rgba(240,240,240,"+
160/255+")",k.fillRect(0,0,b,g.h))};a.Scrollbar.prototype.validateValue=function(a){d=this.evaluator;n=a.toString();n=parseFloat(n.replace(this.parent.decimal_symbol,"."));isNaN(n)&&(n=0);this.minimo=d.eval(this.min);n<this.minimo&&(this.value=null,n=this.minimo);this.maximo=d.eval(this.max);n>this.maximo&&(this.value=null,n=this.maximo);w=this.incr;n=0!=w?n*w/w:0;this.fixed&&(n=parseFloat(parseFloat(n).toFixed(d.eval(this.decimals))));return n};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(){m=(this.evaluator.eval(this.max)-this.evaluator.eval(this.min))/10;"h"==this.orientation?this.clickPos.x>this.prePos&&this.changeValue(parseFloat(this.value)+m):this.clickPos.y<this.prePos&&this.changeValue(parseFloat(this.value)+m)};a.Scrollbar.prototype.decrease10=function(){m=(this.evaluator.eval(this.max)-this.evaluator.eval(this.min))/10;"h"==this.orientation?
this.clickPos.x<this.prePos&&this.changeValue(parseFloat(this.value)-m):this.clickPos.y>this.prePos&&this.changeValue(parseFloat(this.value)-m)};a.Scrollbar.prototype.changeValue=function(a){this.activeIfValue&&(x=this.validateValue(a),x!=this.value&&(this.value=x,this.field.value=this.formatOutputValue(x),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;u=this.scrollManipulatorLimSup;l=d.eval(this.min);v=d.eval(this.max);w=this.incr;x=h((this.pos-e)*(v-l)/(u-e)/w)*w+l;x!=this.value&&(this.value=x,this.field.value=this.formatOutputValue(x),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;u=this.scrollManipulatorLimSup;l=d.eval(this.min);
v=d.eval(this.max);w=this.incr;this.pos=(this.value-l)*(u-e)/(v-l)+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(e,d,c,f){a.clearTimeout(u);(m.up||m.down||m.canvasClick)&&1E-7<Math.abs(m.value-f)&&(d.call(m),e=c?e:30,u=a.setTimeout(function(){b(e,d,!1,f)},e))}function e(d){d.preventDefault();m.whichBtn=a.whichBtn(d);"L"==m.whichBtn&&m.activeIfValue&&(m.clickPos=a.getCursorPosition(d,
m.containerControl),m.canvasClick=!0,"h"==m.orientation?m.clickPos.x<m.prePos?b(p,m.decrease10,!0,m.minimo):b(p,m.increase10,!0,m.maximo):m.clickPos.y<m.prePos?b(p,m.increase10,!0,m.maximo):b(p,m.decrease10,!0,m.minimo))}function d(b){m.canvasClick=!1;a.clearTimeout(u)}function c(b){1==m.canvasClick&&(m.clickPos=a.getCursorPosition(b,m.containerControl),b.preventDefault())}function f(a){m.scrollClick=!1;m.prePos=m.pos;window.removeEventListener("mouseup",f,!1);window.removeEventListener("mousemove",
n,!1);a.preventDefault()}function g(a){m.scrollClick=!1;m.prePos=m.pos;window.removeEventListener("touchend",g,!1);window.removeEventListener("touchmove",n,!1);a.preventDefault()}function n(b){var e=a.getCursorPosition(b,m.containerControl);"h"==m.orientation?(m.pos=m.prePos-(m.initPos.x-e.x),m.pos<m.scrollManipulatorLimInf&&(m.pos=m.scrollManipulatorLimInf),m.pos>m.scrollManipulatorLimSup&&(m.pos=m.scrollManipulatorLimSup),m.scrollManipulator.setAttribute("style","background-color: rgba(255, 255, 255, 0); cursor: pointer; position: absolute; width : "+
m.scrollManipulatorW+"px; height : "+m.h+"px; left: "+m.pos+"px; top: 0px;")):(m.pos=m.prePos-(m.initPos.y-e.y),m.pos>m.scrollManipulatorLimInf&&(m.pos=m.scrollManipulatorLimInf),m.pos<m.scrollManipulatorLimSup&&(m.pos=m.scrollManipulatorLimSup),m.scrollManipulator.setAttribute("style","background-color: rgba(255, 255, 255, 0); cursor: pointer; position: absolute; width : "+m.w+"px; height : "+m.scrollManipulatorH+"px; left: 0px; top: "+m.pos+"px;"));m.changeValueForScrollMovement();b.preventDefault()}
function k(e){e.preventDefault();m.whichBtn=a.whichBtn(e);"L"==m.whichBtn&&m.activeIfValue&&(m.up=!0,b(p,m.increase,!0,m.maximo))}function q(e){e.preventDefault();m.whichBtn=a.whichBtn(e);"L"==m.whichBtn&&m.activeIfValue&&(m.down=!0,b(p,m.decrease,!0,m.minimo))}function h(b){m.down=!1;a.clearTimeout(u);b.preventDefault()}function l(b){m.up=!1;a.clearTimeout(u);m.draw()}function r(b){m.down=!1;a.clearTimeout(u);m.draw()}y=a.hasTouchSupport;var m=this,p=y?500:200,u;m.canvas.oncontextmenu=m.divUp.oncontextmenu=
m.divDown.oncontextmenu=m.label.oncontextmenu=m.field.oncontextmenu=m.scrollManipulator.oncontextmenu=function(){return!1};this.field.addEventListener("keydown",function(a){13==a.keyCode&&m.changeValue(m.field.value)});this.canvas.addEventListener("touchstart",e);this.canvas.addEventListener("mousedown",e);this.divDown.addEventListener("mouseout",h);window.addEventListener("touchend",d);window.addEventListener("mouseup",d);this.canvas.addEventListener("touchmove",c);this.canvas.addEventListener("mousemove",
c);this.scrollManipulator.addEventListener("touchstart",function(b){m.activeIfValue&&(m.scrollClick=!0,m.initPos=a.getCursorPosition(b,m.containerControl),window.addEventListener("touchend",g),window.addEventListener("touchmove",n),b.preventDefault())});this.scrollManipulator.addEventListener("mousedown",function(b){m.activeIfValue&&(m.scrollClick=!0,m.initPos=a.getCursorPosition(b,m.containerControl),window.addEventListener("mouseup",f),window.addEventListener("mousemove",n),b.preventDefault())});
this.divUp.addEventListener("touchstart",k);this.divUp.addEventListener("mousedown",k);this.divDown.addEventListener("touchstart",q);this.divDown.addEventListener("mousedown",q);this.divUp.addEventListener("mouseout",function(b){m.up=!1;a.clearTimeout(u);b.preventDefault()});this.divDown.addEventListener("mouseout",h);window.addEventListener("touchend",l);window.addEventListener("mouseup",l);window.addEventListener("touchend",r);window.addEventListener("mouseup",r)};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,k=c.evaluator.eval(c.expresion);4==k[0].length?(c.w=k[0][2],c.h=k[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 k=c.evaluator.eval(c.expresion);4==k[0].length?(c.w=k[0][2],c.h=k[0][3]):(c.w=null,c.h=null);var k=c.file,g=k.lastIndexOf(".");-1!=g&&(k=c.file.substring(0,g));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",k+".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")&&(g=document.createElement("source"),g.setAttribute("src",k+".mp4"),c.video.appendChild(g));c.video.canPlayType("video/ogg")&&(g=document.createElement("source"),g.setAttribute("src",k+".ogg"),g.setAttribute("type",
"video/ogg"),c.video.appendChild(g),g=document.createElement("source"),g.setAttribute("src",k+".ogv"),g.setAttribute("type","video/ogg"),c.video.appendChild(g));c.video.canPlayType("video/webm")&&(g=document.createElement("source"),g.setAttribute("src",k+".webm"),g.setAttribute("type","video/webm"),c.video.appendChild(g));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,k,g,b,m,q,r;a.GraphicControl=function(b,d){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,d);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 c=this.constraint.childs[0],e=this.constraint.childs[1];"identifier"!=
c.type||"y"!=c.value||e.contains("y")?"identifier"!=c.type||"x"!=c.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;m=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.xStr=this.id+".x";this.yStr=this.id+".y";this.activoStr=this.id+".activo";this.activeStr=this.id+".active";""!==this.space.id&&2!==b.version?(this.mxStr=this.space.id+".mouse_x",this.myStr=this.space.id+".mouse_y",this.mclickedStr=this.space.id+".mouse_clicked",this.mclicizquierdoStr=
this.space.id+".clic_izquierdo"):(this.mxStr="mouse_x",this.myStr="mouse_y",this.mclickedStr="mouse_clicked",this.mclicizquierdoStr="clic_izquierdo");this.init()};a.GraphicControl.prototype.init=function(){d=this.evaluator;q=a.hasTouchSupport;var b=d.eval(this.expresion);this.x=b[0][0];this.y=b[0][1];d.setVariable(this.xStr,this.x);d.setVariable(this.yStr,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=q&&48>this.width?48:this.width,this._h=q&&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.activoStr,0);d.setVariable(this.activeStr,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.xStr);this.y=d.getVariable(this.yStr);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&&(g=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&&g.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())):(g.beginPath(),g.arc(p,c,parseInt(this.width/2),0,h,!1),g.fillStyle=this.colorInt.getColor(),g.fill(),g.lineWidth=1,g.strokeStyle=this.color.getColor(),g.stroke(),
this.active&&(g.strokeStyle=this.colorInt.borderColor(),g.beginPath(),g.arc(p,c,parseInt(this.width/2)-2,0,h,!1),g.stroke()),this.trace&&(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(){m.set(this.x,this.y);k=this.newt.findZero(m,1/this.space.scale,!0);this.x=k.x;this.y=k.y;this.evaluator.setVariable(this.xStr,this.x);this.evaluator.setVariable(this.yStr,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.xStr,this.x);d.setVariable(this.yStr,this.y);d.setVariable(this.constVar,r)};a.GraphicControl.prototype.drawText=function(a,b){g=this.ctx;d=this.evaluator;"simpleText"==this.text.type?(g.fillStyle=this.color.getColor(),g.font=this.font,g.textBaseline="alphabetic",g.fillText(this.text.toString(d.eval(this.decimals),this.fixed),
parseInt(a+1+this.width/2),parseInt(b-1-this.height/2))):(g.fillStyle=this.color.getColor(),g.strokeStyle=this.color.getColor(),g.textBaseline="alphabetic",this.text.draw(g,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,d=0,e=a.length;d<e;d++)if(b=a[d],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.activoStr,0);this.evaluator.setVariable(this.activeStr,0);this.evaluator.setVariable(this.mclicizquierdoStr,0)};a.GraphicControl.prototype.addEvents=function(){function b(c){document.body.focus();c.preventDefault();c.stopPropagation();e.evaluator.setVariable(e.mclickedStr,1);e.evaluator.setVariable(e.mclicizquierdoStr,
1);if(e.activeIfValue||e.active)e.click=!1,window.removeEventListener("mouseup",b,!1),window.removeEventListener("mousemove",d,!1),window.removeEventListener("touchend",b,!1),window.removeEventListener("touchmove",d,!1),f=a.getCursorPosition(c,e.container),e.posX=e.prePos.x-(e.posAnte.x-f.x),e.posY=e.prePos.y-(e.posAnte.y-f.y),e.evaluator.setVariable(e.xStr,e.space.getRelativeX(e.posX)),e.evaluator.setVariable(e.yStr,e.space.getRelativeY(e.posY)),e.evaluator.setVariable(e.mxStr,e.space.getRelativeX(f.x)),
e.evaluator.setVariable(e.myStr,e.space.getRelativeY(f.y)),e.parent.updateControls(),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 d(b){b.preventDefault();e.evaluator.setVariable(e.mclickedStr,0);e.evaluator.setVariable(e.mclicizquierdoStr,0);f=a.getCursorPosition(b,e.container);e.posX=e.prePos.x-(e.posAnte.x-f.x);e.posY=e.prePos.y-(e.posAnte.y-f.y);e.evaluator.setVariable(e.xStr,
e.space.getRelativeX(e.posX));e.evaluator.setVariable(e.yStr,e.space.getRelativeY(e.posY));e.evaluator.setVariable(e.mxStr,e.space.getRelativeX(f.x));e.evaluator.setVariable(e.myStr,e.space.getRelativeY(f.y));20<Date.now()-c&&(e.parent.updateControls(),e.parent.update(),c=Date.now())}var c=0,e=this;this.active=this.over=this.click=!1;this.mouseCacher.oncontextmenu=function(){return!1};this.mouseCacher.addEventListener("touchstart",function(c){document.body.focus();c.preventDefault();e.activeIfValue&&
(e.parent.deactivateGraphiControls(),e.click=e.active=!0,e.evaluator.setVariable(e.activoStr,1),e.evaluator.setVariable(e.activeStr,1),e.evaluator.setVariable(e.mclickedStr,0),e.evaluator.setVariable(e.mclicizquierdoStr,0),e.posAnte=a.getCursorPosition(c,e.container),e.prePos={x:e.space.getAbsoluteX(e.x),y:e.space.getAbsoluteY(e.y)},e.evaluator.setVariable(e.mxStr,e.space.getRelativeX(e.posAnte.x)),e.evaluator.setVariable(e.myStr,e.space.getRelativeY(e.posAnte.y)),e.parent.update(),window.addEventListener("touchend",
b),window.addEventListener("touchmove",d))});this.mouseCacher.addEventListener("mousedown",function(c){document.body.focus();c.preventDefault();e.whichBtn=a.whichBtn(c);"L"==e.whichBtn&&e.activeIfValue&&e.over&&(e.parent.deactivateGraphiControls(),e.click=e.active=!0,e.evaluator.setVariable(e.activoStr,1),e.evaluator.setVariable(e.activeStr,1),e.evaluator.setVariable(e.mclickedStr,0),e.evaluator.setVariable(e.mclicizquierdoStr,0),e.posAnte=a.getCursorPosition(c,e.container),e.prePos={x:e.space.getAbsoluteX(e.x),
y:e.space.getAbsoluteY(e.y)},e.evaluator.setVariable(e.mxStr,e.space.getRelativeX(e.posAnte.x)),e.evaluator.setVariable(e.myStr,e.space.getRelativeY(e.posAnte.y)),e.parent.update(),window.addEventListener("mouseup",b),window.addEventListener("mousemove",d))});this.mouseCacher.addEventListener("mouseover",function(a){e.over=!0});this.mouseCacher.addEventListener("mouseout",function(a){e.over=!1;e.click=!1});var f};return a}(descartesJS||{}),descartesJS=function(a,h){var d,f,p,c,k,g,b,m,q,r;if(a.loadLib)return a;
var n,w,x,e,u,l,v,y,B=/[\w-//]*(\.png|\.jpg|\.gif|\.svg)/gi,E,D,F,H,G,K,C,A,J,I,N,z,M,L,O,Q,P,V,U,R,S;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 d=0,c=a.length;d<c;d++)switch(x=a[d][0],e=a[d][1],w=h[x],w){case "rowsNorth":case "rowsSouth":case "widthEast":case "widthWest":case "height":b[w]=
parseInt(e);break;case "about":case "config":case "init":case "clear":b[w]="true"===h[e];break;default:console.log("Propiedad de botones no identificada: <"+x+"> valor: <"+e+">")}return b};a.LessonParser.prototype.parseSpace=function(b){u={};b=this.split(b);for(var d=0,c=b.length;d<c;d++)switch(x=b[d][0],e=b[d][1],w=h[x],w){case "type":case "id":case "cID":case "file":u[w]=e;break;case "fixed":case "numbers":case "sensitive_to_mouse_movements":case "R3":case "split":u[w]="true"===h[e];break;case "bg_display":case "render":u[w]=
h[e];break;case "net":case "net10":case "axes":case "text":u[w]=""!=e?"false"===h[e]?"":new a.Color(e,this.parent.evaluator):"";break;case "x_axis":case "y_axis":u[w]="false"===h[e]?"":e;break;case "O.x":u.OxExpr=e;break;case "O.y":u.OyExpr=e;break;case "image":u.imageSrc=e;break;case "x":n=e;"%"===n[n.length-1]?(u.xPercentExpr=n.trim(),n=(this.parent.container.width*parseFloat(n)/100).toString()):n=e;u.xExpr=this.parser.parse(n);break;case "y":n=e;"%"===n[n.length-1]?(u.yPercentExpr=n.trim(),n=(this.parent.container.height*
parseFloat(n)/100).toString()):n=e;u.yExpr=this.parser.parse(n);break;case "width":n=e.trim();"%"===n[n.length-1]?(u.wExpr=n,n=this.parent.container.width*parseFloat(n)/100):(n=parseFloat(e),n!=e&&(n=this.parent.container.width,u._w_=e.trim()));u.w=n;break;case "height":n=e.trim();"%"===n[n.length-1]?(u.hExpr=n,n=this.parent.container.height*parseFloat(n)/100):(n=parseFloat(e),n!=e&&(n=this.parent.container.height,u._h_=e.trim()));u.h=n;break;case "drawif":""!=e&&(u.drawif=this.parser.parse(e));break;
case "scale":n=parseFloat(e);isNaN(n)&&(n=48);u.scale=n;break;case "background":u.background=new a.Color(e,this.parent.evaluator);break;default:console.log("Propiedad del espacio no identificada: <"+x+"> valor: <"+e+">")}switch(u.type){case "R2":return new a.Space2D(this.parent,u);case "R3":return new a.Space3D(this.parent,u);case "AP":return new a.SpaceAP(this.parent,u);case "HTMLIFrame":return new a.SpaceHTML_IFrame(this.parent,u);default:return new a.Space2D(this.parent,u)}};a.LessonParser.prototype.parseControl=
function(b){l={type:"numeric"};b=this.split(b);for(var d=0,c=b.length;d<c;d++)switch(x=b[d][0],e=b[d][1],w=h[x],w){case "id":case "name":case "parameter":case "tooltip":case "tooltipFont":case "Explanation":case "ExplanationFont":case "cID":case "options":case "font":case "file":case "answer":l[w]=e;break;case "gui":case "region":case "action":case "msg_pos":case "poster":l[w]=h[e];break;case "fixed":case "visible":case "discrete":case "onlyText":case "evaluate":case "autoplay":case "loop":case "controls":l[w]=
"true"===h[e];break;case "color":case "colorInt":case "trace":l[w]=new a.Color(e,this.parent.evaluator);break;case "font_size":case "drawif":case "activeif":case "decimals":case "min":case "max":case "size":""!=e&&(l[w]=this.parser.parse(e));break;case "constraint":l.constraintExpr=e;break;case "image":l.imageSrc=e;break;case "space":l.spaceID=e;break;case "type":l.type=h[e.trim()];break;case "expresion":l.expresion=this.parser.parse(e.replace(")(",","));break;case "bold":"false"!=h[e]&&(l.bold="bold");
break;case "italics":"false"!=h[e]&&(l.italics="italic");break;case "underlined":"false"!=h[e]&&(l.underlined=!0);break;case "value":var f=e.replace(/&squot;/g,"'");f.match(/^\|/)&&(f="'"+f.substring(1),f.match(/\|$/)&&(f=f.substring(0,f.length-1)+"'"));l.valueExpr=this.parser.parse(f);l.valueExprString=f;break;case "incr":0!=e&&(l.incr=this.parser.parse(e));break;case "exponentialif":l.exponentialif=parseFloat(e);break;case "text":l.rawText=e;for(var f=this.parseText(e),g=0,k=f.length;g<k;g++)f[g]=
this.parser.parse(f[g],!1);l.text=f;break;default:g=x.indexOf(".");f=h[x.substring(0,g)];g=h[x.substring(g+1)];if("parameter"===f&&"font"===g){l.parameterFont=e;break}else if("Explanation"===f&&"font"===g){l.ExplanationFont=e;break}else if("tooltip"===f&&"font"===g){l.tooltipFont=e;break}console.log("Propiedad de control no identificada: <"+x+"> valor: <"+e+">")}if("numeric"===l.type)switch(l.gui){case "spinner":return new a.Spinner(this.parent,l);case "button":return new a.Button(this.parent,l);
case "textfield":return new a.TextField(this.parent,l);case "menu":return new a.Menu(this.parent,l);case "scrollbar":return new a.Scrollbar(this.parent,l);default:return new a.Spinner(this.parent,l)}else{if("video"===l.type)return new a.Video(this.parent,l);if("audio"===l.type)return new a.Audio(this.parent,l);if("graphic"===l.type)return new a.GraphicControl(this.parent,l);if("text"===l.type)return new a.TextArea(this.parent,l)}};a.LessonParser.prototype.parseGraphic=function(b,d,c,f){v={rotateExp:f,
parameter:"t"};b=this.split(b);f=0;for(var g=b.length;f<g;f++)if(x=b[f][0],e=b[f][1],w=h[x],""!=e)switch(w){case "type":case "align":v[w]=h[e];break;case "background":case "abs_coord":case "visible":case "editable":case "fixed":case "vectors":v[w]="true"===h[e];break;case "color":case "fill":case "fillP":case "fillM":case "arrow":case "trace":v[w]="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":v[w]=
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&&(v[w]=this.parser.parse(e));break;case "space":v.spaceID=e;break;case "expresion":""!=e&&("macro"!=v.type?(v.expresion=this.parser.parse(e),v.expresionString=e):v.expresion=e);break;case "text":v.text=this.parseText(e);break;case "file":var k=e.replace(/&squot;/g,"'");"["===k.charAt(0)&&"]"===k.charAt(k.length-1)&&(k=k.substring(1,k.length-
1));k.match(B)&&(k="'"+k+"'");v.file=this.parser.parse(k);break;case "border":""!=e&&"false"!=h[e]&&(v.border=new a.Color(e,this.parent.evaluator));break;default:if(void 0!=v.family&&x.substring(0,v.family.length+1)===v.family+"."){switch(h[x.substring(v.family.length+1)]){case "interval":""!=e&&(v.family_interval=this.parser.parse(e));break;case "steps":""!=e&&(v.family_steps=this.parser.parse(e))}break}if(void 0!=v.parameter&&x.match(v.parameter+".")){v.parameter!==x.substring(0,x.indexOf(v.parameter)+
v.parameter.length)&&(v.parameter=x.substring(0,x.indexOf(v.parameter)+v.parameter.length));switch(h[x.substring(v.parameter.length+1)]){case "interval":""!=e&&(v.parameter_interval=this.parser.parse(e));break;case "steps":""!=e&&(v.parameter_steps=this.parser.parse(e))}break}console.log("Propiedad del grafico no identificada: <"+x+"> valor: <"+e+">")}d&&(v.abs_coord=d);c&&(v.background=c);switch(v.type){case "text":return new a.Text(this.parent,v);case "image":return new a.Image(this.parent,v);case "point":return new a.Point(this.parent,
v);case "polygon":return new a.Polygon(this.parent,v);case "arc":return new a.Arc(this.parent,v);case "segment":return new a.Segment(this.parent,v);case "arrow":return new a.Arrow(this.parent,v);case "macro":return new a.Macro(this.parent,v);case "curve":return new a.Curve(this.parent,v);case "equation":return new a.Equation(this.parent,v);case "sequence":return new a.Sequence(this.parent,v);case "fill":return new a.Fill(this.parent,v)}};a.LessonParser.prototype.parse3DGraphic=function(b,d,c,f){v=
{rotateExp:f,parameter:"t"};b=this.split(b);d=0;for(c=b.length;d<c;d++)switch(x=b[d][0],e=b[d][1],w=h[x],w){case "type":case "model":v[w]=h[e];break;case "background":case "fixed":case "edges":v[w]="true"===h[e];break;case "color":case "backcolor":v[w]=new a.Color(e,this.parent.evaluator);break;case "type":case "model":v[w]=h[e];break;case "background":case "fixed":case "edges":case "split":v[w]="true"===h[e];break;case "color":case "backcolor":v[w]=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&&(v[w]=this.parser.parse(e));break;case "family":case "parameter":case "font":case "name":case "inirot":case "endrot":v[w]=e;break;case "space":v.spaceID=e;break;case "expresion":"macro"!=v.type&&"curve"!=v.type&&"surface"!=v.type?(v.expresion=this.parser.parse(e),v.expresionString=e):v.expresion=e.replace(/\\n/g," ").replace(/;/g," ");break;case "text":f=this.parseText(e);for(var g=0,k=f.length;g<k;g++)f[g]=this.parser.parse(f[g],!1);v.text=f;break;case "file":f=e.replace(/&squot;/g,"'");"["===
f.charAt(0)&&"]"===f.charAt(f.length-1)&&(f=f.substring(1,f.length-1));f.match(/./)&&(f="'"+f+"'");v.file=this.parser.parse(f);break;case "drawif":case "width":case "length":case "decimals":case "Nu":case "Nv":case "inirot":case "endrot":case "inipos":case "endpos":""!=e&&(v[w]=this.parser.parse(e));break;case "family":case "parameter":case "font":case "name":v[w]=e;break;case "space":v.spaceID=e;break;case "expresion":"macro"!=v.type&&"curve"!=v.type&&"surface"!=v.type?(v.expresion=this.parser.parse(e),
v.expresionString=e):v.expresion=e;break;case "text":f=this.parseText(e);g=0;for(k=f.length;g<k;g++)f[g]=this.parser.parse(f[g],!1);v.text=f;break;case "file":f=e.replace(/&squot;/g,"'");"["===f.charAt(0)&&"]"===f.charAt(f.length-1)&&(f=f.substring(1,f.length-1));f.match(/./)&&(f="'"+f+"'");v.file=this.parser.parse(f);break;default:if(void 0!==v.family&&x.substring(0,v.family.length+1)===v.family+"."){"interval"===h[x.substring(v.family.length+1)]?""!=e&&(v.family_interval=this.parser.parse(e)):""!=
e&&(v.family_steps=this.parser.parse(e));break}console.log("Propiedad del grafico 3D no identificada: <"+x+"> valor: <"+e+">")}switch(v.type){case "point":return new a.Point3D(this.parent,v);case "segment":return new a.Segment3D(this.parent,v);case "polygon":return new a.Polygon3D(this.parent,v);case "curve":return new a.Curve3D(this.parent,v);case "triangle":return new a.Triangle3D(this.parent,v);case "face":return new a.Face3D(this.parent,v);case "polireg":return new a.Polireg3D(this.parent,v);
case "surface":return new a.Surface3D(this.parent,v);case "text":return new a.Text3D(this.parent,v);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,v);case "macro":return new a.Macro3D(this.parent,v)}};a.LessonParser.prototype.parseAuxiliar=function(b){y={};b=this.split(b);for(var d=0,c=b.length;d<c;d++)b[d][1]=b[d][1].replace(/&squot;/g,
"'");d=0;for(c=b.length;d<c;d++)switch(x=b[d][0],e=b[d][1],w=h[x],w){case "id":case "file":case "init":case "doExpr":case "whileExpr":case "range":case "local":case "expresion":case "condition":case "parameter":y[w]=e.replace(/&squot;/g,"'");break;case "editable":case "constant":case "array":case "matrix":case "algorithm":case "event":case "sequence":y[w]="true"===h[e];break;case "size":case "rows":case "columns":y[w]=this.parser.parse(e);break;case "evaluate":case "execution":case "msg_pos":case "action":y[w]=
h[e];break;case "type":y[w]=h[e];break;case "x":case "y":case "width":case "height":y[w]=this.parser.parse(e);break;default:var f=x.indexOf("."),g=h[x.substring(0,f)],f=h[x.substring(f+1)];if("parameter"===g&&"font"===f){y.parameterFont=e;break}console.log("Propiedad del auxiliar no identificada: <"+x+"> valor: <"+e+">")}y.sequence?new a.Function(this.parent,y):y.constant?(b=new a.Constant(this.parent,y),y.evaluate&&"always"===y.evaluate&&this.parent.auxiliaries.push(b)):y.algorithm&&y.evaluate?(b=
new a.Algorithm(this.parent,y),this.parent.auxiliaries.push(b)):y.array&&!y.matrix&&")"!=y.id.charAt(y.id.length-1)?(b=new a.Vector(this.parent,y),y.evaluate&&"always"===y.evaluate&&this.parent.auxiliaries.push(b)):y.matrix&&")"!=y.id.charAt(y.id.length-1)?(b=new a.Matrix(this.parent,y),y.evaluate&&"always"===y.evaluate&&this.parent.auxiliaries.push(b)):y.event&&")"!=y.id.charAt(y.id.length-1)?this.parent.events.push(new a.Event(this.parent,y)):")"===y.id.charAt(y.id.length-1)?new a.Function(this.parent,
y):new a.Variable(this.parent,y)};a.LessonParser.prototype.parseAction=function(b){E=b.action;D=b.parent;F=b.parameter;if(E)switch(E){case "message":return new a.Message(D,F);case "calculate":return new a.Calculate(D,F);case "openURL":return new a.OpenURL(D,F);case "openScene":return new a.OpenScene(D,F);case "about":return new a.About(D,F);case "config":return new a.Config(D,F);case "init":return new a.Init(D,F);case "clear":return new a.Clear(D,F);case "animate":return new a.Animate(D,F);case "initAnimation":return new a.InitAnimation(D,
F);case "playAudio":return new a.PlayAudio(D,F);default:console.log("Accion no soportada: <"+E+">")}else return{execute:function(){}}};a.LessonParser.prototype.parseAnimation=function(b){var d={};b=this.split(b);for(var c=0,f=b.length;c<f;c++)switch(x=b[c][0],e=b[c][1],w=h[x],w){case "id":case "delay":case "init":case "doExpr":case "whileExpr":d[w]=e.replace(/&squot;/g,"'");break;case "controls":case "auto":case "loop":case "algorithm":case "evaluate":d[w]="true"===h[e];break;default:console.log("Propiedad de la animacion no identificada: <"+
x+">  <"+e+">")}return new a.Animation(this.parent,d)};a.LessonParser.prototype.parsePleca=function(h,n){h=this.split(h);f=d="";p=0;c="#536891";k="white";g="left";b="";m="SansSerif,BOLD,20";q="SansSerif,PLAIN,18";r=void 0;for(var l=0,u=h.length;l<u;l++)switch(x=h[l][0],e=h[l][1],x){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&&(k=(new a.Color(e,this.parent.evaluator)).getColor());
break;case "align":""!=e&&(g=e);break;case "titleimage":b=e;break;case "titlefont":m=""!=e?a.convertFont(e):a.convertFont(m);break;case "subtitlefont":q=""!=e?a.convertFont(e):a.convertFont(q);break;default:console.log("Propiedad de la pleca no identificada: <"+x+">  <"+e+">")}if(""===d&&""===f)return document.createElement("div");I=q.substring(0,q.indexOf("px"));I=I.substring(I.lastIndexOf(" "));""!=b&&(N=this.parent.getImage(b),z=N.height);r=document.createElement("div");r.setAttribute("id","descartesPleca");
z?(r.setAttribute("style","position:absolute;left:0;top:0;text-align:"+g+";width:"+(n-30)+"px;height:"+(z-16)+"px;background:"+c+";color:"+k+";padding-top:8px;padding-bottom:8px;padding-left:15px;padding-right:15px;margin:0;overflow:hidden;z-index:100;"),N.setAttribute("style","position: absolute;left:0;top:0;z-index:-1;width:100%;height:100%;"),r.appendChild(N)):r.setAttribute("style","position:absolute;left:0;top:0;text-align:"+g+";width:"+(n-30)+"px;background:"+c+";color:"+k+";padding-top:12px;padding-bottom:12px;padding-left:15px;padding-right:15px;margin:0;z-index:100;");
M=document.createElement("div");M.setAttribute("style","padding:0;margin:0;font:"+m+";overflow:hidden;white-space:nowrap;");M.innerHTML=d;L=document.createElement("div");if(1===parseInt(p)){U=0;O=document.createElement("div");O.innerHTML=f;document.body.appendChild(O);P=I;do P-=U,O.setAttribute("style","padding:0;margin:0;font:"+q+";font-size:"+P+"px;width:"+(n-30)+"px;line-height:"+P+"px;"),Q=O.offsetHeight,V=Q/P,U=1;while(1<V&&8<P);document.body.removeChild(O);L.setAttribute("style","padding:0;margin:0;font:"+
q+";font-size:"+P+"px;line-height: 110%;overflow:hidden;white-space:nowrap;")}else L.setAttribute("style","padding:0;margin:0;font:"+q+";line-height:110%;");L.innerHTML=f;r.appendChild(M);r.appendChild(L);r.imageHeight=z;return r};a.LessonParser.prototype.split=function(a){if("string"!=typeof a)return[];a=(a||"").replace(/\\'/g,"\u2019");H=[];K=G=0;C=!1;A=0;for(J=!1;G<a.length;)" "!==a.charAt(G)||C||G++," "===a.charAt(G)||C||(C=!0,A=G),"="!==a.charAt(G)||"'"!==a.charAt(G+1)||J||(J=!0,H[K]=[a.substring(A,
G)],A=G+2,G+=2),J&&"'"===a.charAt(G)&&(C=J=!1,H[K].push(a.substring(A,G)),K++),"="!==a.charAt(G)||"'"===a.charAt(G+1)||J||(H[K]=[a.substring(A,G)],A=G+1,G++,R=a.substring(G).indexOf("="),-1===R?S=R=a.length:(R+=G,S=a.substring(G,R).lastIndexOf(" "),S=-1===S?a.length:S+G),H[K].push(a.substring(A,S)),K++,C=!1,G=S),G++;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||
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0,e=1,d=0,c=a.cols;d<c;d++)b+=e*a[0][d]*p(f(0,d,a)),e=-e;return b}return a[0][0]}if(a.loadLib)return a;var c,k={},g=Math.floor,b,m,q,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];
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void 0==b&&(e||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 q,m;this.evaluate=function(a){q=this.childs[0].childs[0].evaluate(a);try{return m=a.vectors[this.value][0>q?0:g(q)],void 0!==m?m:0}catch(b){return 0}}}else if("identifier"===this.type&&"square_bracket"===this.childs[0].type&&1<this.childs[0].childs.length){var l,
r;this.evaluate=function(a){l=this.childs[0].childs[0].evaluate(a);r=this.childs[0].childs[1].evaluate(a);try{return m=a.matrices[this.value][0>l?0:g(l)][0>r?0:g(r)],void 0!==m?m:0}catch(b){return 0}}}else if("identifier"===this.type&&"parentheses"===this.childs[0].type){var v,G,K;this.evaluate=function(a){v=[];for(var b=0,e=this.childs[0].childs.length;b<e;b++)v[b]=this.childs[0].childs[b].evaluate(a);if("_Eval_"===this.value){c=0<v.length?v[0]:0;if("number"==typeof c)return"NaN";c.match(",")&&parseFloat(c.replace(",",
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d+b;n=d.rows;w=d.cols;x=h(n,w);for(u=0;u<n;u++)for(e=0;e<w;e++)x[e][u]=d[e][u]+b[e][u];return x}:"-"===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;n=b.rows;w=b.cols;x=h(n,w);for(u=0;u<n;u++)for(e=0;e<w;e++)x[e][u]=b[e][u]-a[e][u];return x}:"*"===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?
b*a:d(b,a)}:"/"===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;var e=h(a.length,a.length),c=p(a);if(0===c)a=0;else{var c=1/c,g;if(1<a.length)for(var k=0,q=a.length;k<q;k++){g=c;for(var n=0;n<q;n++)e[n][k]=g*p(f(k,n,a)),g=-g;c=-c}else e[0][0]=c;a=e}b=0===a?h(b.rows,b.cols):d(b,a);return b}:"%"===this.value?this.evaluate=function(a){var b=this.childs[0].evaluate(a);a=this.childs[1].evaluate(a);
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this.childs[0];A=this.childs[1];if(1===C.childs.length&&"square_bracket"===C.childs[0].type){q=C.childs[0].childs;if(1===q.length)return J=q[0].evaluate(a),J=0>J?0:g(J),a.vectors[C.value][J]=A.evaluate(a),A.evaluate(a);if(2===q.length)return I=q[0].evaluate(a),N=q[1].evaluate(a),I=0>I?0:g(I),N=0>N?0:g(N),a.matrices[C.value][I]||(a.matrices[C.value][I]=[]),a.matrices[C.value][I][N]=A.evaluate(a),A.evaluate(a)}else return z=A.evaluate(a),z.type?a.matrices[C.value]=z:"object"!==typeof a.variables[C.value]?
a.variables[C.value]=z:0}}};var n,w,x,e,u,l,v;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,e=this.childs.length;b<e;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,k,g,b,m,q=/^\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]*)*/,
n=/^[0-9]+[.][0-9]+|^[.][0-9]+|^[0-9]+/,w=/^==|^!=|^<=|^<|^>=|^>|^#/,x=/^\!|^\~|^\&\&|^\&|^\|\||^\|/,e=/^=|^:=/,u=/^[\?\:]/,l=/^[\+\-\*\/\%\^\u2212\u00b7\u00D7\u00F7]/,v=/^\[|^\]/,y=/^\(|^\)/,B=/^,/,E=/^;/,D=/\|/g,F=/\|\*/g,H=/\*\|/g;a.Tokenizer=function(){};a.Tokenizer.prototype.tokenize=function(a){function A(a,e,c){d.push({type:a,value:e});k=k.slice(c);p+=c;b++;m=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(F,"'").replace(H,"'"));a.match(/\=\|/g)&&(a=a.replace(D,"'"));var J=a.trim();"|"==J.charAt(0)&&"|"==J.charAt(J.length-1)&&(a=J.replace(D,"'"))}d=[];f=!1;p=0;k=a;b=0;for(m="";a&&p<a.length;)if(f=p,"'"==k[0]){for(g=1;"'"!=k[g];)if(g<k.length)g++;else{console.log(">Error, unknown symbol: ["+k+"], in the string <<"+h+">>");return}c=k.substring(1,g);A("string",c,c.length+2)}else if(c=k.match(q))k=k.slice(c[0].length),p+=c[0].length,b++;else if(c=k.match(l))c[0]=c[0].replace(/\u00F7/g,
"/").replace(/\u2212/g,"-").replace(/\u00b7/g,"*").replace(/\u00D7/g,"*"),A("operator",c[0],c[0].length);else if(c=k.match(r))"number"===m&&d.push({type:"operator",value:"*"}),A("identifier",c[0],c[0].length);else if(c=k.match(n))A("number",c[0],c[0].length);else if(c=k.match(w))J=c[0],"#"==J&&(J="!="),A("compOperator",J,c[0].length);else if(c=k.match(x))J=c[0],"||"==J?J="|":"&&"==J?J="&":"~"==J&&(J="!"),A("boolOperator",J,c[0].length);else if((c=k.match(e))&&!k.match(/^==/))A("asign",c[0],c[0].length);
else if(c=k.match(u))A("conditional",c[0],c[0].length);else if(c=k.match(v))A("square_bracket",c[0],c[0].length);else if(c=k.match(y))"("==c&&"number"===m&&d.push({type:"operator",value:"*"}),A("parentheses",c[0],c[0].length);else if(c=k.match(B))A("separator",c[0],c[0].length);else if(178===k.charCodeAt(0))d.push({type:"operator",value:"^"}),A("number",2,1);else if(179===k.charCodeAt(0))d.push({type:"operator",value:"^"}),A("number",3,1);else if(c=k.match(E))A("final_of_expresion",c[0],c[0].length);
else if(f==p){console.log("Error, simbolo no conocido: ["+k+"], en la cadena <<"+h+">>");return}return d};var G,K=/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||"";G="";for(var e=0,d=a.length;e<d;e++)G="string"==a[e].type?G+"&squot;"+a[e].value+"&squot;":"identifier"!=a[e].type||a[e].value.match(K)?G+a[e].value:G+b+a[e].value;
return G};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,d){this.vectors[a][b]=d};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,d,c){this.matrices[a][b][d]=c};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,k,g,b,m,q,r,n,w,x;a.Parser.prototype.parse=function(e,d){(c=this.tokenizer.tokenize(e))||
(c=[]);k=null;d=!d||!1;f=q=m=b=0;for(p=c.length;f<p;f++){r=c[f];n=r.value;w=r.type;if("identifier"===w)if(f+1<p&&"parentheses"===c[f+1].type&&"("===c[f+1].value)this.getFunction(n);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(n):this.getMatrix(n);else{var l=n.match(/(\w*)\.mouse_x|(\w*)\.mouse_y|(\w*)\.mouse_pressed|(\w*)\.mouse_clicked|(\w*)\.clic_izquierdo/);l&&(this.variables[l[1]+".DESCARTESJS_no_fixed"]=
1);this.getVariable(n,!0)}"asign"===w&&d&&":="!=n&&(w="compOperator",n="==");if("asign"===w)if(g=new a.Node(w,n),null!=k)if("identifier"===k.type)k.parent&&k.parent.replaceLastChild(g),g.addChild(k),k=g,d=!0;else if("square_bracket"===k.type)g.addChild(k.parent),k=g,d=!0;else{g.type="compOperator";g.value="==";for(d=!0;k.parent&&h(k.parent.value)>=h(g.value);)k=k.parent;k.parent&&k.parent.replaceLastChild(g);g.addChild(k);k=g}else{console.log("Error1: en la expresion <<"+e+">>, en el token {valor: "+
n+", tipo: "+w+"}");break}else if("parentheses"===w&&"("===n||"square_bracket"===w&&"["===n)if(g=new a.Node(w,n),"("===n&&b++,"["===n&&m++,null===k)"("===n&&(new a.Node("(expr)","(expr)")).addChild(g),"["===n&&(new a.Node("[expr]","[expr]")).addChild(g),k=g;else if("operator"===k.type||"boolOperator"===k.type||"compOperator"===k.type||"conditional"===k.type||"asign"===k.type)k.addChild(g),k=g;else if("sign"===k.type)k.addChild(g),k=g;else if("parentheses"===k.type&&"("===k.value)k.addChild(g),k=g;
else if("square_bracket"===k.type&&"["===k.value)k.addChild(g),k=g;else if("parentheses"===k.type&&"()"===k.value)k.parent.addChild(g),k=g;else if("square_bracket"===k.type&&"[]"===k.value)k.parent.addChild(g),k=g;else if("identifier"===k.type)k.addChild(g),k=g;else{console.log("Error2: en la expresion <<"+e+">>, en el token ["+f+"] {valor: "+n+", tipo: "+w+"}");break}else if("parentheses"===w&&")"===n)if(b--,null===k)console.log("Error3: en la expresion <<"+e+">>, en el token (valor:"+n+", tipo:"+
w);else{for(;k&&k.parent&&("("!=k.value||"("==k.value&&"parentheses"!=k.type);)k=k.parent;if(k&&"("===k.value)k.value="()";else{console.log("Error4: en la expresion <<"+e+">>, en el token {valor: "+n+", tipo: "+w+"}");break}}else if("square_bracket"===w&&"]"===n)if(m--,null===k)console.log("Error5: en la expresion <<"+e+">>, en el token (valor:"+n+", tipo:"+w);else{for(;k&&k.parent&&("["!=k.value||"["==k.value&&"square_bracket"!=k.type);)k=k.parent;if(k&&"["===k.value)k.value="[]";else{console.log("Error6: en la expresion <<"+
e+">>, en el token {valor: "+n+", tipo: "+w+"}");break}}else if("number"===w||"string"===w||"identifier"===w)if(g=new a.Node(w,n),null===k)k=g;else if("operator"===k.type||"compOperator"===k.type||"boolOperator"===k.type||"parentheses"===k.type&&"("===k.value||"square_bracket"===k.type&&"["===k.value||"sign"===k.type||"conditional"===k.type||"asign"===k.type)k.addChild(g),k=g;else{console.log("Error7: en la expresion <<"+e+">>, en el token {valor: "+n+", tipo: "+w+"}");break}else if("operator"===
w||"compOperator"===w||"boolOperator"===w)if(g=new a.Node(w,n),null===k)if("-"===n||"+"===n)g.type="sign",g.value="sign"+n,k=g;else if("!"===n)k=g;else{console.log("Error8: en la expresion <<"+e+">>, en el token {valor: "+n+", tipo: "+w+"}");break}else if("operator"===k.type||"compOperator"===k.type||"boolOperator"===k.type||"asign"===k.type||"conditional"===k.type||"square_bracket"===k.type&&"["===k.value&&("-"===n||"+"===n||"!"===n)||"parentheses"===k.type&&"("===k.value&&("-"===n||"+"===n||"!"===
n)){if("-"===n||"+"===n)g.type="sign",g.value="sign"+n;k.addChild(g);k=g}else if("number"===k.type||"parentheses"===k.type&&"()"===k.value||"square_bracket"===k.type&&"[]"===k.value||"string"===k.type||"identifier"===k.type||"conditional"===k.type||"asign"===k.type){for(;k.parent&&h(k.parent.value)>=h(g.value);)k=k.parent;k.parent&&k.parent.replaceLastChild(g);g.addChild(k);k=g}else{console.log("Error9: en la expresion <<"+e+">>, en el token {valor: "+n+", tipo: "+w+"}");break}else if("conditional"===
w)if(g=new a.Node(w,n),null!=k)if("?"===g.value){for(q++;k.parent&&h(k.parent.value)>h(g.value);)k=k.parent;k.parent&&k.parent.replaceLastChild(g);g.addChild(k);k=g}else{for(q--;k&&k.parent&&("?"!=k.value||"?"==k.value&&"conditional"!=k.type);)k=k.parent;if(k&&"?"===k.value)k.value="?:";else{console.log("Error10: en la expresion <<"+e+">>, en el token {valor: "+n+", tipo: "+w+"}");break}}else{console.log("Error11: en la expresion <<"+e+">>, en el token {valor: "+n+", tipo: "+w+"}");break}else if("separator"===
w)if(null!=k)for(;k.parent&&"("!=k.value&&"["!=k.value;)k=k.parent;else{console.log("Error12: en la expresion <<"+e+">>, en el token {valor: "+n+", tipo: "+w+"}");break}else{console.log("Error13: en la expresion <<"+e+">>, en el token {valor: "+n+", tipo: "+w+"}");break}}0<b&&alert("Error, faltan parentesis por cerrar: "+e);0>b&&alert("Error, faltan parentesis por abrir: "+e);0<m&&alert("Error, faltan corchetes por cerrar: "+e);0>m&&alert("Error, faltan corchetes por abrir: "+e);0!=q&&alert("Error, condicional incompleta: "+
e);(x=k?k.getRoot():null)&&x.setAllEvalFun();return x};a.Parser.prototype.registerDefaultValues=function(){function b(a,e){for(var c in e)e.hasOwnProperty(c)&&(a[c]=e[c])}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,e,d){return a.esCorrecto(b,e,c.evaluator,d)};c.functions.escorrecto=function(b,e,d){return a.escorrecto(b,e,c.evaluator,
d)};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,e){a=(a||"").toString();b=isNaN(parseInt(b))?0:parseInt(b);e=isNaN(parseInt(e))?0:parseInt(e);return 0<=b&&0<=e?a.substring(b,e):0>b&&0<=e?a.substring(e):0>e&&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 e="";b&&(e=(e=document.getElementById(b))&&"descartes/archivo"==e.type?e.text:a.openExternalFile(b));return e||""};this.functions._GetValues_=function(a,b){var e=this.functions._Load_(a).replace(/&brvbar;/g,String.fromCharCode("166"));return this.functions._ExecBlock_(e,b)};this.functions._GetMatrix_=function(a,b){var e=this.functions._Load_(a).replace(/&brvbar;/g,String.fromCharCode("166"));return this.functions._StrToMatrix_(e,
b)};this.functions._MatrixToStr_=function(a){var b=this.matrices[a];if(b){for(var e="<"+a+">\\n",c=this.getVariable(a+".columnas_usadas")||b.rows||0,d=this.getVariable(a+".filas_usadas")||b.cols||0,f,g=0;g<c;g++){for(var k=0;k<d;k++)f=b[g][k],void 0!==f&&("string"==typeof f&&(f="'"+f+"'"),e+=f+(k<d-1?" \u00a6 ":""));e=e.replace(/(\u00A6 )$/g,"")+"\\n"}return e+("</"+a+">")}return""};this.functions._StrToMatrix_=function(a,b){var e=[],f=!1;e.type="matrix";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+">")?(f=a[g].trim().split("<"+b+">"),2==f.length&&""!=f[1]&&e.push(f[1].split(String.fromCharCode("166")).map(d)),f=!0):a[g].match("</"+b+">")?(f=a[g].trim().split("</"+b+">"),2==f.length&&""!=f[0]&&e.push(f[0].split(String.fromCharCode("166")).map(d)),f=!1):f&&e.push(a[g].split(String.fromCharCode("166")).map(d));c.matrices[b]=e;c.setVariable(b+".filas",e[0].length);c.setVariable(b+".columnas",e.length)}return"OK"};this.functions._GetVector_=function(a,
b){var e=this.functions._Load_(a);return this.functions._StrToVector_(e,b)};this.functions._VectorToStr_=function(a){var b=this.vectors[a];if(b){for(var e="<"+a+">\\n",c=this.getVariable(a+".long_usada")||b._size_||0,d,f=0;f<c;f++)d=b[f],void 0!==d?("number"==typeof d&&(d=parseFloat(d)),e+=d+"\\n"):e+="0\\n";return e+("</"+a+">")}return""};this.functions._StrToVector_=function(a,b){var e=[],f=!1;e.type="vector";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+">")?f=!0:a[g].match("</"+b+">")?f=!1:f&&e.push(d(a[g]));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 e=[],d=""==b;if(a){a=a.replace(/\r|\\r/g,"").split(/\n|\\n/);for(var f=0,g=a.length;f<g;f++)a[f].match("<"+b+">")?(d=a[f].trim().split("<"+b+">"),2==d.length&&""!=d[1]&&(e=e.concat(d[1].split(String.fromCharCode("166")))),
d=!0):a[f].match("</"+b+">")?(d=a[f].trim().split("</"+b+">"),2==d.length&&""!=d[0]&&(e=e.concat(d[0].split(String.fromCharCode("166")))),d=!1):d&&(e=e.concat(a[f].split(String.fromCharCode("166"))));f=0;for(g=e.length;f<g;f++)d=e[f].split("="),d[0]=d[0].trim(),2==d.length&&""!=d[0]&&(isNaN(parseFloat(d[1]))?c.setVariable(d[0],d[1].replace(/^\s|\s$/g,"").replace(/^'|'$/g,"")):c.setVariable(d[0],parseFloat(d[1])))}return 0};var f=document.createElement("a");f.setAttribute("target","_blank");var g,
k=null;this.functions._Save_=function(b,e){document.body.appendChild(f);g=new Blob(["\ufeff",e.replace(/\\n/g,"\n").replace(/\\q/g,"'").replace(/\\r/g,"").replace(/\\_/g,"\\")],{type:"text/plain"});f.setAttribute("download",b);f.setAttribute("href",window.URL.createObjectURL(g));null==k&&(f.click(),k=!0,a.setTimeout(function(){k=null},1E3));document.body.removeChild(f);return 0};var h,q,n,m,r=document.createElement("input");r.setAttribute("type","file");onHandleFileSelect=function(b){h=b.target.files;
q=new FileReader;q.onload=function(b){a.addExternalFileContent(h[0].name,b.target.result);c.setVariable(n,h[0].name);c.getFunction(m)&&(c.getFunction(m).apply(c.evaluator,[]),c.evaluator.parent.update())};0<h.length&&q.readAsText(h[0])};r.addEventListener("change",onHandleFileSelect);this.functions._Open_=function(a,b){n=a;m=b;r.click();return 0};var p,w,x=document.createElement("input");x.setAttribute("type","file");onHandleFileSelect2=function(a){a.stopPropagation();a.preventDefault();p=a.target.files;
w=new FileReader;w.onload=function(a){var d={};try{d=JSON.parse(a.target.result)}catch(f){}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<p.length&&w.readAsText(p[0])};x.removeEventListener("change",onHandleFileSelect2);x.addEventListener("change",onHandleFileSelect2);this.functions._AnchoDeCadena_=this.functions._strWidth_=function(b,e,d,c){return a.getTextWidth(b,a.convertFont(e+","+d+","+c))};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){if(a.loadLib)return a;var h=Math.floor,d=Math.max,f=2,p=!1,c;a.RTFNode=function(a,b,d,c){this.evaluator=a;this.type="rtfNode";this.value=b;this.nodeType=d;this.style=c;this.styleString=c.toString();this.color=c.textColor;this.underline=c.textUnderline;this.overline=c.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,g=0,b=0,m;a.RTFNode.prototype.getTextMetrics=function(){this.spaceWidth=a.getTextWidth(" ",this.styleString);var c=k,h=g,n=b;if("textBlock"==this.nodeType)for(n=0,c=this.children.length;n<c;n++)this.children[n].getTextMetrics();else if("textLineBlock"==this.nodeType)this.getBlockMetric();else if("newLine"==this.nodeType)m=
a.getFontMetrics(this.styleString),this.w=0,this.h=m.h,this.baseline=m.baseline,this.descent=m.descent,this.ascent=m.ascent;else if("text"==this.nodeType||"dynamicText"==this.nodeType)m=a.getFontMetrics(this.styleString),this.baseline=m.baseline,this.descent=m.descent,this.ascent=m.ascent,h=this.value,"string"!=typeof this.value&&(n=void 0==this.decimals?f:this.evaluator.eval(this.decimals),c=void 0==this.fixed?p:this.fixed,h=this.evaluator.eval(this.value,n,c),parseFloat(h).toString()===h.toString()&&
(h=c?parseFloat(h).toFixed(n):a.removeNeedlessDecimals(parseFloat(h).toFixed(n)),h=(""+h).replace(".",this.decimal_symbol)),h+=" "),this.w=a.getTextWidth(h,this.styleString),this.h=m.h;else if("formula"==this.nodeType)this.getBlockMetric();else if("hyperlink"===this.nodeType){m=a.getFontMetrics(this.styleString);this.w=a.getTextWidth(this.value,this.styleString);this.h=m.h;this.baseline=m.baseline;this.descent=m.descent;this.ascent=m.ascent;this.clickCacher=document.createElement("div");this.clickCacher.setAttribute("style",
"position:absolute; width:"+this.w+"px; height:"+this.h+"px; cursor:pointer;");var w=new a.OpenURL(this.evaluator.parent,this.URL),x=this;this.clickCacher.addEventListener("click",function(a){x.click=!0;w.actionExec()})}else if("superIndex"==this.nodeType)m=a.getFontMetrics(this.styleString),this.getBlockMetric(),0>this.h&&(this.ascent=m.ascent,this.descent=m.descent,this.h=this.ascent+this.descent,this.w=1.5*this.spaceWidth),n=n/2-h+this.h,this.superIndexPos=n-this.ascent,this.ascent=n,this.descent=
h,this.baseline=this.ascent,this.h=this.ascent+this.descent;else if("subIndex"==this.nodeType)m=a.getFontMetrics(this.styleString),this.getBlockMetric(),0>this.h&&(this.ascent=m.ascent,this.descent=m.descent,this.h=this.ascent+this.descent,this.w=1.5*this.spaceWidth),this.subIndexPos=h+1,this.ascent=c,this.descent=this.subIndexPos+this.descent,this.baseline=this.ascent,this.h=this.ascent+this.descent;else if("fraction"==this.nodeType){var c=this.children[0],e=this.children[1];m=a.getFontMetrics(c.styleString);
c.getBlockMetric();e.getBlockMetric();0>c.h&&(c.h=m.h,c.w=this.spaceWidth);0>e.h&&(e.h=m.h,e.w=this.spaceWidth);this.h=c.h+e.h-1;this.ascent=c.h+Math.round(n/2)-h;this.descent=this.h-this.ascent;this.baseline=this.ascent;this.w=d(c.w,e.w)+this.spaceWidth+8}else if("radical"==this.nodeType){h=this.children[0].style.clone();if(1===this.children.length)this.children[1]=new a.RTFNode(this.evaluator," ","radicand",h),this.children[1].addChild(this.children[0]),this.children[0]=new a.RTFNode(this.evaluator,
" ","index",h);else if("index"!==this.children[0].nodeType||"radicand"!==this.children[1].nodeType){e=new a.RTFNode(this.evaluator,"","radicand",h);n=0;for(c=this.children.length;n<c;n++)e.addChild(this.children[n]);this.children=[];this.children[0]=new a.RTFNode(this.evaluator,"","index",h);this.children[1]=e}n=this.children[0];c=this.children[1];0>=n.children.length&&(h=this.style.clone(),h.fontSize=parseInt(h.fontSize-.2*h.fontSize),n.addChild(new a.RTFNode(this.evaluator," ","text",h)));0>=c.children.length&&
c.addChild(new a.RTFNode(this.evaluator," ","text",this.style.clone()));n.getBlockMetric();c.getBlockMetric();this.ascent=c.h/2<n.h?c.h/2+n.h+2-c.descent:c.ascent+4;this.descent=c.descent;this.baseline=this.ascent;this.h=this.ascent+this.descent;this.w=n.w+c.w+4*this.spaceWidth}else if("sum"==this.nodeType||"integral"==this.nodeType)h=this.children[0],n=this.children[1],c=this.children[2],h.getBlockMetric(),n.getBlockMetric(),c.getBlockMetric(),-1==h.ascent&&(e=a.getFontMetrics(h.styleString),h.ascent=
e.ascent,h.descent=e.descent,h.h=e.h),-1==n.ascent&&(e=a.getFontMetrics(n.styleString),n.ascent=e.ascent,n.descent=e.descent,n.h=e.h),m=a.getFontMetrics(this.styleString),this.ascent=m.h+n.h>c.ascent?m.h-m.descent+n.h:c.ascent,this.descent=h.h>c.descent?h.h+m.descent:c.descent,this.baseline=this.ascent,this.h=this.ascent+this.descent,e=this.style.clone(),e.fontType=a.serif_font,e.Bold="bold","sum"==this.nodeType?(e=e.toString(),e=a.getTextWidth(String.fromCharCode(8721),e),this.w=d(h.w,n.w,e)+d(c.w,
this.spaceWidth)+this.spaceWidth):"integral"==this.nodeType&&(e.fontSize*=1.5,e=e.toString(),e=a.getTextWidth(String.fromCharCode(8747),e),this.w=d(h.w,n.w,e)+d(c.w,this.spaceWidth)+2*this.spaceWidth);else if("limit"==this.nodeType)h=this.children[0],n=this.children[1],c=this.children[2],m=a.getFontMetrics(this.styleString),h.getBlockMetric(),n.getBlockMetric(),c.getBlockMetric(),-1==h.ascent&&(e=a.getFontMetrics(h.styleString),h.ascent=e.ascent,h.descent=e.descent,h.h=e.h),-1==n.ascent&&(e=a.getFontMetrics(n.styleString),
n.ascent=e.ascent,n.descent=e.descent,n.h=e.h),-1==c.ascent&&(e=a.getFontMetrics(c.styleString),c.ascent=e.ascent,c.descent=e.descent,c.h=e.h),this.ascent=c.ascent,this.descent=d(m.h,h.h,n.h,c.descent),this.baseline=this.ascent,this.h=this.ascent+this.descent,e=a.getTextWidth(" "+String.fromCharCode(8594),this.styleString),0==h.w&&(h.w=this.spaceWidth),0==n.w&&(n.w=this.spaceWidth),0==c.w&&(c.w=this.spaceWidth),this.w=n.w+h.w+c.w+e+this.spaceWidth;else if("matrix"==this.nodeType){m=a.getFontMetrics(this.styleString);
for(var e=m.ascent,u=m.descent,l=m.h,v=this.spaceWidth,y,B,n=0,c=this.children.length;n<c;n++)this.children[n].getBlockMetric(),y=this.children[n].h,B=this.children[n].w,l<y&&(l=y,e=this.children[n].ascent,u=this.children[n].descent),v<B&&(v=B);this.childWidth=v+2*this.spaceWidth;this.childHeight=l;this.childAscent=e;this.childDescent=u;this.h=this.rows*l;this.ascent=this.h/2;this.descent=this.h/2;this.w=this.columns*this.childWidth+this.spaceWidth}else if("defparts"==this.nodeType){m=a.getFontMetrics(this.styleString);
e=m.ascent;u=m.descent;l=m.h;v=this.spaceWidth;n=0;for(c=this.children.length;n<c;n++)this.children[n].getBlockMetric(),y=this.children[n].h,B=this.children[n].w,l<y&&(l=y,e=this.children[n].ascent,u=this.children[n].descent),v<B&&(v=B);this.childWidth=v+2*this.spaceWidth;this.childHeight=l;this.childAscent=e;this.childDescent=u;this.h=this.parts*l;this.ascent=this.h/2+h;this.descent=this.h-this.ascent;this.w=this.childWidth+ +this.spaceWidth/2}else"mathSymbol"==this.nodeType?(m=a.getFontMetrics(this.styleString),
this.baseline=m.baseline,this.descent=m.descent,this.ascent=m.ascent,this.w=a.getTextWidth(this.value,this.styleString)+this.spaceWidth,this.h=m.h):"componentNumCtrl"==this.nodeType?(m=a.getFontMetrics(this.styleString),this.componentNumCtrl=this.evaluator.parent.getControlByCId(this.value),this.baseline=m.baseline-2,this.descent=m.descent-2,this.ascent=m.ascent+2,this.h=this.componentNumCtrl.h||1,this.w=this.componentNumCtrl.w||1):"componentSpace"==this.nodeType?(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;g=e;b=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,g,h,e,k,m){c=m;a.textAlign="start";a.textBaseline="alphabetic";this.stableWidth||(f=g,p=h,this.getTextMetrics());k=k?-this.children[0].ascent:0;m=h=g=0;for(var v=this.children.length;m<v;m++)0<m&&(h+=this.children[m-1].h),"center"==e?g=-this.children[m].w/2:"right"==e&&(g=-this.children[m].w),this.children[m].draw(a,b+g,d+k+h)};a.RTFNode.prototype.drawTextLineBlock=function(a,b,d){for(var f=0,g=0,e=this.children.length;g<e;g++)a.strokeStyle=
a.fillStyle=c,0<g&&(f+=this.children[g-1].w,"formula"==this.children[g-1].nodeType&&(f+=2*this.children[g-1].spaceWidth)),this.children[g].draw(a,b+f,d+this.baseline)};a.RTFNode.prototype.drawFormula=function(a,b,c){for(var d=0,f=0,e=this.children.length;f<e;f++)0<f&&(d+=this.children[f-1].w),this.children[f].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.fillText(this.value,b-1,c);if(this.underline){var d=
"bold"==this.style.textBold,f=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)+f);a.lineTo(b-1+this.w,parseInt(c+this.descent/2)+f);a.stroke()}this.overline&&(f=(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)+f),a.lineTo(b-1+this.w,parseInt(c-this.ascent)+f),a.stroke())};a.RTFNode.prototype.drawDynamicText=function(b,c,d){var g=
h(.5*this.spaceWidth),k=void 0==this.decimals?f:this.evaluator.eval(this.decimals),e=void 0==this.fixed?p:this.fixed,m=this.evaluator.eval(this.value);parseFloat(m).toString()===m.toString()&&(m=e?parseFloat(m).toFixed(k):a.removeNeedlessDecimals(parseFloat(m).toFixed(k)),m=(""+m).replace(".",this.decimal_symbol));null!=this.color&&(b.fillStyle=this.color);b.font=this.styleString;this.w=a.getTextWidth(m,this.styleString);b.fillText(m,g+c,d);this.underline&&(e=(k="bold"==this.style.textBold)?1:.5,
b.lineWidth=k?2:1,null!=this.color&&(b.strokeStyle=this.color),b.beginPath(),b.moveTo(g+c-1,parseInt(d+this.descent/2)+e),b.lineTo(g+c-1+this.w,parseInt(d+this.descent/2)+e),b.stroke());this.overline&&(e=(k="bold"==this.style.textBold)?2:1.5,b.lineWidth=k?2:1,null!=this.color&&(b.strokeStyle=this.color),b.beginPath(),b.moveTo(g+c-1,parseInt(d-this.ascent)+e),b.lineTo(g+c-1+this.w,parseInt(d-this.ascent)+e),b.stroke());this.w+=2*g};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.fillText(this.value,b-1,c);var d="bold"==this.style.textBold,f=d?1:.5;a.lineWidth=d?2:1;a.beginPath();
a.moveTo(b-1,Math.ceil(c+this.descent/2)+f-2);a.lineTo(b-1+this.w,Math.ceil(c+this.descent/2)+f-2);a.stroke();a.restore()};a.RTFNode.prototype.drawRadical=function(a,b,c){var d=h(this.spaceWidth);this.children[0].draw(a,b,h(c+this.children[1].descent-this.children[1].h/2-this.children[0].descent));this.children[1].draw(a,b+1.5*d+this.children[0].w,c);a.lineWidth=1;null!=this.color&&(a.strokeStyle=this.color);a.beginPath();a.moveTo(b,h(c+this.children[1].descent-this.children[1].h/2));a.lineTo(b+this.children[0].w,
h(c+this.children[1].descent-this.children[1].h/2));a.lineTo(b+this.children[0].w+.5*d,c+this.children[1].descent);a.lineTo(b+this.children[0].w+1*d,c-this.children[1].ascent);a.lineTo(b+this.children[0].w+2*d+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 d=h(.5*this.spaceWidth);
a.lineWidth=1;null!=this.color&&(a.strokeStyle=this.color);a.beginPath();a.moveTo(b+d,parseInt(c-this.ascent+this.children[0].h)-.5);a.lineTo(b-d+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,f=0,e=this.children.length;f<e;f++)0<f&&(d+=this.children[f-1].w),this.children[f].draw(a,b+d,c+this.baseline)};a.RTFNode.prototype.drawSubIndex=function(a,b,c){for(var d=0,f=0,e=this.children.length;f<e;f++)0<f&&(d+=this.children[f-
1].w),this.children[f].draw(a,b+d,c+this.subIndexPos)};a.RTFNode.prototype.drawSuperIndex=function(a,b,c){for(var d=0,f=0,e=this.children.length;f<e;f++)0<f&&(d+=this.children[f-1].w),this.children[f].draw(a,b+d,c-this.superIndexPos)};a.RTFNode.prototype.drawLimit=function(b,c,d){var f=a.getFontMetrics(this.styleString),g=" "+String.fromCharCode(8594),e=a.getTextWidth(g,this.styleString);this.children[0].draw(b,c,d+f.descent+this.children[0].ascent);this.children[1].draw(b,c+this.children[0].w+e,
d+f.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.fillText("l\u00edm",c+this.children[0].w,d);b.fillText(g,c+this.children[0].w,d+f.descent+this.children[0].ascent)};a.RTFNode.prototype.drawIntegral=function(b,c,f){var g=this.style.clone();g.fontSize*=1.5;g.fontType=a.serif_font;g.Bold="bold";var g=g.toString(),k=a.getTextWidth(String.fromCharCode(8747),g),e=a.getFontMetrics(g),
m=d(this.children[0].w,this.children[1].w,h(1.5*k));this.children[0].draw(b,c+k,f+e.descent+this.children[0].ascent);this.children[1].draw(b,c+k+this.spaceWidth/2,f-this.ascent+this.children[1].ascent);this.children[2].draw(b,c+m+k,f);null!=this.color&&(b.fillStyle=this.color);b.font=g;b.fillText(String.fromCharCode(8747),c,f+e.descent/2)};a.RTFNode.prototype.drawSum=function(b,c,f){var g=this.style.clone();g.fontType=a.serif_font;g.Bold="bold";var g=g.toString(),k=a.getTextWidth(String.fromCharCode(8721),
g),e=a.getFontMetrics(this.styleString),m=d(this.children[0].w,this.children[1].w,k);this.children[0].draw(b,c+(m-this.children[0].w)/2,f+e.descent+this.children[0].ascent);this.children[1].draw(b,c+(m-this.children[1].w)/2,f-e.ascent-this.children[1].descent);this.children[2].draw(b,c+m,f);null!=this.color&&(b.fillStyle=this.color);b.font=g;b.fillText(String.fromCharCode(8721),c+h((m-k)/2),f-5)};a.RTFNode.prototype.drawMatrix=function(a,b,c){for(var d,f,e=0,g=this.children.length;e<g;e++)d=e%this.columns,
f=h(e/this.columns),this.children[e].draw(a,2*this.spaceWidth+b+d*this.childWidth,c-this.ascent+this.childAscent+f*this.childHeight);a.lineWidth=1.5;null!=this.color&&(a.strokeStyle=this.color);a.beginPath();a.moveTo(h(b+this.spaceWidth)+.5,c-this.ascent+.5);a.lineTo(h(b+this.spaceWidth/2)+.5,c-this.ascent+.5);a.lineTo(h(b+this.spaceWidth/2)+.5,c+this.descent+.5);a.lineTo(h(b+this.spaceWidth)+.5,c+this.descent+.5);a.moveTo(h(b+this.w-this.spaceWidth)-.5,c-this.ascent+.5);a.lineTo(h(b+this.w-this.spaceWidth/
2)-.5,c-this.ascent+.5);a.lineTo(h(b+this.w-this.spaceWidth/2)-.5,c+this.descent+.5);a.lineTo(h(b+this.w-this.spaceWidth)-.5,c+this.descent+.5);a.stroke()};a.RTFNode.prototype.drawDefparts=function(a,b,c){for(var d=0,f=this.children.length;d<f;d++)this.children[d].draw(a,b+1.25*this.spaceWidth,c-this.ascent+this.childAscent+d%this.parts*this.childHeight);a.lineWidth=1.5;null!=this.color&&(a.strokeStyle=this.color);a.beginPath();a.moveTo(parseInt(b+2*this.spaceWidth)-7.5,c-this.ascent+.5);a.lineTo(parseInt(b+
2*this.spaceWidth)-14.5,c-this.ascent+4.5);a.lineTo(parseInt(b+2*this.spaceWidth)-14.5,c+this.descent-this.h/2-4.5);a.lineTo(b+2,c+this.descent-this.h/2);a.lineTo(parseInt(b+2*this.spaceWidth)-14.5,c+this.descent-this.h/2+4.5);a.lineTo(parseInt(b+2*this.spaceWidth)-14.5,c+this.descent-4.5);a.lineTo(parseInt(b+2*this.spaceWidth)-7.5,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.fillText("(",b,c)):")"==this.value?(a.font=this.styleString,a.fillText(")",b+this.spaceWidth,c)):(a.font=this.styleString,a.fillText(this.value,b,c))};a.RTFNode.prototype.drawGenericBlock=function(a,b,c){for(var d=0,f=0,e=this.children.length;f<e;f++)0<f&&(d+=this.children[f-1].w),this.children[f].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)};return a}(descartesJS||{}),descartesJS=function(a){if(a.loadLib)return a;var h=String.fromCharCode,
d,f,p,c,k,g,b,m,q,r,n,w;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="";k=c=0;b=a.charAt(0);m=!1;for(q="text";c<f;)g=b,b=a.charAt(c+1),m?"\\"===b||"{"===b||"}"===b||" "===b||";"===b?(m=!1,p+=
g," "===b?(c++,b=a.charAt(c+1),w=!0):w=!1,(r=p.match(/^\'([0-9a-f]{2})/))?(n="","text"===q&&(n=d.pop().value),p=n+=h(parseInt(r[1],16))+p.substring(3)):(r=p.match(/^u[0-9]+/))?(n="","text"===q&&(n=d.pop().value),p=n+=h(r[0].substring(1))):("{"===p||"}"===p||"\\"==g?(d.push({type:"text",value:p+(w?" ":"")}),q="text"):(d.push({type:"controlWord",value:p}),q="controlWord"),p="")):"{"==g||"}"==g||"\\"==g?(m=!1,d.push({type:"text",value:g}),q="text"):p+=g:"\\"===g?(m=!0,""!==p&&(d.push({type:"text",value:p}),
q="text"),p=""):"{"===g?(k++,""!==p&&d.push({type:"text",value:p}),p="",d.push({type:"openBlock",value:k}),q="openBlock"):"}"===g?(""!==p&&d.push({type:"text",value:p}),p="",d.push({type:"closeBlock",value:k}),q="closeBlock",k--):p+=g,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,k,g,b,m,q,r,n,w,x,e,u,l,v,y,B,E,D,F,H,G,K,C,A,J,I,N;a.RTFParser=function(b){this.evaluator=b;this.tokenizer=new a.RTFTokenizer};
a.RTFParser.prototype.parse=function(z){z=d=this.tokenizer.tokenize(z);for(var M=[],L=!1,O=!1,Q=[],P=0,V=z.length;P<V;P++)if("openBlock"==z[P].type&&Q.push(z[P].value),"closeBlock"==z[P].type&&(Q.pop(),0>=Q.length&&(L=!1)),"controlWord"!=z[P].type||"expr"!=z[P].value&&"decimals"!=z[P].value||(O=!0),"controlWord"==z[P].type&&"mjaformula"==z[P].value&&(L=!0),"text"==z[P].type&&L&&!O){for(var U=0,R=z[P].value,S="",T=0,ca=R.length;T<ca;T++)if("("==R.charAt(T)||")"==R.charAt(T)||"+"==R.charAt(T)||"-"==
R.charAt(T)||"*"==R.charAt(T)||"="==R.charAt(T))S=R.substring(U,T),""!=S&&M.push({type:"text",value:S}),M.push({type:R.charAt(T),value:R.charAt(T)}),U=T+1;S=R.substring(U,T);""!=S&&M.push({type:"text",value:S})}else M.push(z[P]),"text"==z[P].type&&O&&(O=!1);d=M;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++}k={};g=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),m=parseInt(d[c++].value.substring(5)).toString(16),q=parseInt(d[c++].value.substring(4)).toString(16),";"===d[c].value&&c++,k[g++]="#"+(2>b.length?"0"+b:b)+(2>m.length?"0"+m:m)+(2>q.length?"0"+q:q);c++}r=new a.RTFNode(this.evaluator,"","textBlock","",!1,"");n=new a.RTFNode(this.evaluator,"","textLineBlock","",!1,"");r.addChild(n);e=x=w=null;E=B=y=v=l=u=!1;D=[new a.FontStyle(20,
"Arial","","",!1,!1,null)];F=D[0];H=!0;K=G=-1;C=[];N=I=J=A=!1;z=c;for(M=d.length;z<M;z++)if("controlWord"==d[z].type&&f[d[z].value])F.fontType=f[d[z].value];else if("controlWord"==d[z].type&&d[z].value.match(/^fs(\d+)/))F.fontSize=parseInt(d[z].value.match(/^fs(\d+)/)[1]/2);else if("controlWord"==d[z].type&&"b"==d[z].value)F.textBold="bold";else if("controlWord"==d[z].type&&"b0"==d[z].value)F.textBold="";else if("controlWord"==d[z].type&&"i"==d[z].value)F.textItalic="italic";else if("controlWord"==
d[z].type&&"i0"==d[z].value)F.textItalic="";else if("controlWord"==d[z].type&&"ul"==d[z].value)F.textUnderline=!0;else if("controlWord"==d[z].type&&"ulnone"==d[z].value)F.textUnderline=!1;else if("controlWord"==d[z].type&&"ol"==d[z].value)F.textOverline=!0;else if("controlWord"==d[z].type&&"olnone"==d[z].value)F.textOverline=!1;else if("controlWord"==d[z].type&&d[z].value.match(/^cf(\d+)/))F.textColor=k[parseInt(d[z].value.substring(2))],0<C.length&&(C[C.length-1].style.textColor=F.textColor);else if("openBlock"==
d[z].type)G=d[z].value,F=F.clone(),D.push(F),C.push(null);else if("closeBlock"==d[z].type)d[z].value==K&&(K=-1,u=!1,n=n.parent),D.pop(),F=D[D.length-1],C.pop();else if("controlWord"==d[z].type&&"par"==d[z].value){n.addChild(new a.RTFNode(this.evaluator,"","newLine",F.clone()));r=new a.RTFNode(this.evaluator,"","textLineBlock",F.clone());if("textBlock"!=n.nodeType)for(n=n.parent;"textBlock"!=n.nodeType;)n=n.parent;n.addChild(r);n=r}else if("controlWord"==d[z].type&&"mjaformula"==d[z].value)A=!0,K=
G,u=!0,r=new a.RTFNode(this.evaluator,"","formula",F.clone()),n.addChild(r),n=r,C[C.length-1]=r;else if("controlWord"==d[z].type&&("fraction"==d[z].value||"radicand"==d[z].value||"radical"==d[z].value||"what"==d[z].value||"sum"==d[z].value||"integral"==d[z].value||"limit"==d[z].value))L=C[C.length-2].style.clone(),r=new a.RTFNode(this.evaluator,"",d[z].value,L),C[C.length-2].addChild(r),C[C.length-1]=r;else if("controlWord"==d[z].type&&"index"==d[z].value||"to"==d[z].value||"from"==d[z].value)L=C[C.length-
2].style.clone(),L.fontSize=h(parseInt(L.fontSize-.2*L.fontSize),8),r=new a.RTFNode(this.evaluator,"",d[z].value,L),C[C.length-2].addChild(r),C[C.length-1]=r;else if("controlWord"==d[z].type&&("num"==d[z].value||"den"==d[z].value))L=C[C.length-2].style.clone(),L.fontSize=h(Math.round(L.fontSize-.1*L.fontSize),8),"num"==d[z].value?r=new a.RTFNode(this.evaluator,"","numerator",L):"den"==d[z].value&&(r=new a.RTFNode(this.evaluator,"","denominator",L)),C[C.length-2].addChild(r),C[C.length-1]=r;else if("controlWord"==
d[z].type&&("subix"==d[z].value||"supix"==d[z].value))L=C[C.length-2].style.clone(),L.fontSize=h(Math.floor(L.fontSize-L.fontSize/3),8),"subix"==d[z].value?r=new a.RTFNode(this.evaluator,"","subIndex",L):"supix"==d[z].value&&(r=new a.RTFNode(this.evaluator,"","superIndex",L)),r.originalStyle=C[C.length-2].style.clone(),C[C.length-2].addChild(r),C[C.length-1]=r;else if("controlWord"==d[z].type&&("defparts"==d[z].value||"matrix"==d[z].value||"element"==d[z].value))L=C[C.length-2].style.clone(),r=new a.RTFNode(this.evaluator,
"",d[z].value,L),C[C.length-2].addChild(r),C[C.length-1]=r,"defparts"==d[z].value?e=r:"matrix"==d[z].value&&(x=r);else if("controlWord"==d[z].type&&"parts"==d[z].value)E=!0;else if("text"==d[z].type&&E)e.parts=parseInt(d[z].value),E=!1;else if("controlWord"==d[z].type&&"rows"==d[z].value)y=!0;else if("text"==d[z].type&&y)x.rows=parseInt(d[z].value),y=!1;else if("controlWord"==d[z].type&&"columns"==d[z].value)B=!0;else if("text"==d[z].type&&B)x.columns=parseInt(d[z].value),B=!1;else if("controlWord"==
d[z].type&&"expr"==d[z].value)H=!1,l=!0;else if("controlWord"==d[z].type&&"decimals"==d[z].value)v=!0;else if("text"==d[z].type&&v)w.decimals=this.evaluator.parser.parse(d[z].value+""),v=!1;else if("controlWord"==d[z].type&&"fixed1"==d[z].value)w.fixed=!0;else if("controlWord"==d[z].type&&"fixed0"==d[z].value)w.fixed=!1;else if("controlWord"!=d[z].type||"component"!=d[z].value)if("controlWord"==d[z].type&&"NumCtrl"==d[z].value)J=!0;else if("controlWord"==d[z].type&&"Space"==d[z].value)I=!0;else if("controlWord"==
d[z].type&&"hyperlink"==d[z].value)N=!0;else if("text"==d[z].type&&N){textContent=d[z].value.split("|")[0];L=F.clone();r=new a.RTFNode(this.evaluator,textContent,"hyperlink",L);r.URL=d[z].value.split("|")[1];if("textLineBlock"!=n.nodeType)for(n=n.parent;"textLineBlock"!=n.nodeType;)n=n.parent;n.addChild(r);N=!1}else if("text"==d[z].type&&J)r=new a.RTFNode(this.evaluator,d[z].value,"componentNumCtrl",F.clone()),n.addChild(r),J=!1;else if("text"==d[z].type&&I)r=new a.RTFNode(this.evaluator,d[z].value,
"componentSpace",F.clone()),n.addChild(r),I=!1;else if("text"==d[z].type&&l)L=C[C.length-2].style.clone(),textContent=this.evaluator.parser.parse(d[z].value),r=new a.RTFNode(this.evaluator,textContent,"dynamicText",L),C[C.length-2].addChild(r),w=C[C.length-1]=r,l=!1;else if("text"==d[z].type&&!l&&!u){textContent=d[z].value;r=new a.RTFNode(this.evaluator,textContent,"text",F.clone());if("textLineBlock"!=n.nodeType)for(n=n.parent;"textLineBlock"!=n.nodeType;)n=n.parent;n.addChild(r)}else if("text"==
d[z].type&&!l&&u)textContent=d[z].value,r=new a.RTFNode(this.evaluator,textContent,"text",C[C.length-1].style.clone()),C[C.length-1].addChild(r);else if("("==d[z].type||")"==d[z].type)L=C[C.length-1].style.clone(),L.textItalic="",r=new a.RTFNode(this.evaluator,d[z].type,"mathSymbol",L),C[C.length-1].addChild(r);else if("+"==d[z].type||"-"==d[z].type||"*"==d[z].type||"="==d[z].type)r=new a.RTFNode(this.evaluator,d[z].type,"mathSymbol",C[C.length-1].style.clone()),C[C.length-1].addChild(r);if(null!=
n){var W=n.getRoot();W.stableWidth=H;W.getTextMetrics();W.hasFormula=A}return W};a.FontStyle=function(a,b,c,e,d,f,g){this.fontSize=a;this.fontType=b;this.textItalic=c;this.textBold=e;this.textUnderline=d;this.textOverline=f;this.textColor=g};a.FontStyle.prototype.toString=function(){/arial/i.test(this.fontType)?this.fontType=a.sansserif_font:/times/i.test(this.fontType)?this.fontType=a.serif_font:/courier/i.test(this.fontType)&&(this.fontType=a.monospace_font);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,k,g,b,m,q,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 g in c)c.hasOwnProperty(g)&&(this[g]=c[g]);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);g=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(g-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(g-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=g-this.y,this.h>c&&(this.h=c)):(c=this.h+this.y,this.h=c>=g?g:c);0<=this.x?(k=b-this.x,this.w>k&&(this.w=k)):(k=this.w+this.x,this.w=k>=b?b:k);""==this.imageSrc&&/vacio.gif$/i.test(this.imageSrc.trim())||(this.image=h.getImage(this.imageSrc));this.OxExpr&&(q=this.OxExpr,"%"===q[q.length-
1]?this.Ox=this.w*parseFloat(q)/100:(m=parseFloat(q),m!=q&&(m=0),this.Ox=m));this.OyExpr&&(r=this.OyExpr,"%"===r[r.length-1]?this.Oy=this.h*parseFloat(r)/100:(m=parseFloat(r),m!=r&&(m=0),this.Oy=m));""!==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)):(m=d.getVariable("_w"),void 0===m&&(m=this.w),d.setVariable("_w",m),m=d.getVariable("_h"),void 0===m&&(m=this.h),d.setVariable("_h",m),m=d.getVariable("escala"),void 0===m&&(m=this.scale),d.setVariable("escala",m),m=d.getVariable("Ox"),void 0===m&&(m=this.Ox),d.setVariable("Ox",m),m=d.getVariable("Oy"),void 0===m&&(m=this.Oy),d.setVariable("Oy",m),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,k=h.ctrs.length;c<k;c++)h.ctrs[c].expresion=p.parse("(0,"+(h.vSpace+23+35*c)+","+h.width+",35)"),h.ctrs[c].update();h.numCtr=k;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*k)+","+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*k)+","+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*k)+","+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,k=a.convertFont("SansSerif,PLAIN,12"),g=a.convertFont("Monospaced,PLAIN,12"),b,m,q,r,n,w,x,e,u,l,v,y,B,E,D,F,H,G,K,C,A,J,I,N,z,M,L,O;a.Space2D=function(c,e){a.Space.call(this,c,e);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 d=""!==b.id&&2!==c.version?b.id+".":"";b.OxStr=d+"Ox";b.OyStr=d+"Oy";b.scaleStr=d+"escala";
b.wStr=d+"_w";b.hStr=d+"_h";b.mxStr=d+"mouse_x";b.myStr=d+"mouse_y";b.mpressedStr=d+"mouse_pressed";b.mclickedStr=d+"mouse_clicked";b.mclickIzqStr=d+"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;m=b.evaluator;q=b.parent;m.setVariable(b.wStr,b.w);m.setVariable(b.hStr,b.h);b.drawIfValue=0<m.eval(b.drawif);if(b.drawIfValue){n=b.x!==m.eval(b.xExpr)+b.displaceRegionWest;w=b.y!==m.eval(b.yExpr)+q.plecaHeight+b.displaceRegionNorth;b.spaceChange=a||n||w||b.drawBefore!==b.drawIfValue||b.Ox!==m.getVariable(b.OxStr)||b.Oy!==m.getVariable(b.OyStr)||b.scale!==m.getVariable(b.scaleStr)||b.backColor!==
b.background.getColor();b.x=n?m.eval(b.xExpr)+b.displaceRegionWest:b.x;b.y=w?m.eval(b.yExpr)+q.plecaHeight+b.displaceRegionNorth:b.y;b.Ox=m.getVariable(b.OxStr);b.Oy=m.getVariable(b.OyStr);b.scale=m.getVariable(b.scaleStr);b.drawBefore=b.drawIfValue;b.scale=Math.max(1E-6,Math.min(1E6,b.scale));m.setVariable(b.scaleStr,b.scale);if(n||w)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;m=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;u=0;for(l=0>b.w+b.h?0:b.w+b.h;e>l;)e/=10,u++;for(;e<l/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=k,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=k,r.textAlign="start",r.textBaseline="bottom",e>(b.w+b.h)/2?b.drawNumbers(r,e/5,e<=b.scale?u+1:u):e>(b.w+b.h)/4?b.drawNumbers(r,e/2,e<=b.scale?u+1:u):b.drawNumbers(r,e,u));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,
e=b.graphics.length;a<e;a++)x=b.graphics[a],""!==x.trace&&b.drawTrace&&x.drawTrace(),x.draw();a=0;for(e=b.graphicsCtr.length;a<e;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=g,r.textAlign="center",r.textBaseline="alphabetic",A=1>=b.scale?b.mouse_x.toFixed(0):b.mouse_x.toFixed(b.scale.toString().length),J=1>=b.scale?b.mouse_y.toFixed(0):b.mouse_y.toFixed(b.scale.toString().length),I="("+A+","+J+")",
N=f(r.measureText(I).width/2),z=b.getAbsoluteX(b.mouse_x),M=b.getAbsoluteY(b.mouse_y),L=f(z),O=f(M-10),L+N>b.w?L=b.w-N:0>L-N&&(L=N),O+1>b.h?O=b.h:0>O-14&&(O=15),r.fillText(I,L,O),r.beginPath(),r.arc(z,M,2.5,0,c,!0),r.stroke())};a.Space2D.prototype.drawMarks=function(a,b,c){v=this.w;y=this.h;H=0;G=v;K=0;C=y;D=f(v/2+this.Ox);F=f(y/2+this.Oy);0<=c&&(H=D-c,G=D+c,K=F-c,C=F+c);a.beginPath();for(c=-p(D/b);(B=D+p(c*b))<v;c++)a.moveTo(B+.5,K+.5),a.lineTo(B+.5,C+.5);for(c=-p(F/b);(E=F+p(c*b))<y;c++)a.moveTo(H+
.5,E+.5),a.lineTo(G+.5,E+.5);a.stroke()};a.Space2D.prototype.drawNumbers=function(a,b,c){v=this.w;y=this.h;D=f(v/2+this.Ox);F=f(y/2+this.Oy);for(c=-p(D/b);(B=D+p(c*b))<v;c++)a.fillText(parseFloat((c*b/this.scale).toFixed(4)),B+1,F-2);for(c=-p(F/b);(E=F+p(c*b))<y;c++)0!==parseFloat(-c*b/this.scale)&&a.fillText(parseFloat((-c*b/this.scale).toFixed(4)),D+5,E+5)};a.Space2D.prototype.addEvents=function(){function b(a){window.focus();if(k.evaluator.variables[k.id+".DESCARTESJS_no_fixed"]||!k.fixed||k.sensitive_to_mouse_movements)k.click=
0,k.evaluator.setVariable(k.mpressedStr,0),k.evaluator.setVariable(k.mclickedStr,1),k.evaluator.setVariable(k.mclickIzqStr,1),window.removeEventListener("touchmove",g),window.removeEventListener("touchend",b),a.stopPropagation(),a.preventDefault(),k.parent.update()}function c(b){window.focus();b.stopPropagation();b.preventDefault();k.click=0;k.evaluator.setVariable(k.mpressedStr,0);k.evaluator.setVariable(k.mclickedStr,1);k.evaluator.setVariable(k.mclickIzqStr,1);"R"===k.whichBtn&&(window.removeEventListener("mousemove",
f),k.posZoom==k.posZoomNew&&a.showConfig&&(k.parent.externalSpace.show(),k.posZoom=!1,k.posZoomNew=!0));window.removeEventListener("mousemove",g);window.removeEventListener("mouseup",c);k.parent.deactivateGraphiControls();k.parent.update()}function e(b){k.posAnte=a.getCursorPosition(b,k.container);k.mouse_x=k.getRelativeX(k.posAnte.x);k.mouse_y=k.getRelativeY(k.posAnte.y);k.evaluator.setVariable(k.mxStr,k.mouse_x);k.evaluator.setVariable(k.myStr,k.mouse_y);k.evaluator.setVariable(k.mclickedStr,0);
k.evaluator.setVariable(k.mclickIzqStr,0);k.parent.update()}function f(b){b.preventDefault();k.posZoomNew=a.getCursorPosition(b,k.container).y;k.evaluator.setVariable(k.scaleStr,k.tempScale+k.tempScale/45*((k.posZoom-k.posZoomNew)/10));k.parent.update()}function g(b){b.preventDefault();b.stopPropagation();k.fixed||(k.posNext=a.getCursorPosition(b,k.container),h=(k.posAnte.x-k.posNext.x).toFixed(8),d=(k.posAnte.y-k.posNext.y).toFixed(8),k.evaluator.setVariable(k.OxStr,k.Ox-h),k.evaluator.setVariable(k.OyStr,
k.Oy-d));e(b)}var k=this;k.posZoom=null;k.posZoomNew=null;k.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(k.evaluator.variables[k.id+".DESCARTESJS_no_fixed"]||!k.fixed||k.sensitive_to_mouse_movements)k.parent.clearClick(),k.click=1,k.evaluator.setVariable(k.mpressedStr,1),k.evaluator.setVariable(k.mclickedStr,0),k.evaluator.setVariable(k.mclickIzqStr,
0),k.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();k.parent.clearClick();k.click=1;k.parent.deactivateGraphiControls();k.whichBtn=a.whichBtn(b);"R"===k.whichBtn?(window.addEventListener("mouseup",c),k.posZoom=
a.getCursorPosition(b,k.container).y,k.posZoomNew=k.posZoom,k.fixed||(k.tempScale=k.scale,window.addEventListener("mousemove",f))):"L"===k.whichBtn&&(k.evaluator.setVariable(k.mpressedStr,1),k.evaluator.setVariable(k.mclickedStr,0),k.evaluator.setVariable(k.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(b,c){S=
a.subtract3D(b,a.scalarProduct3D(c,a.dotProduct3D(b,c)));T=a.add3D(b,a.scalarProduct3D(S,-2));ca=a.norm3D(T);return 0!==ca?a.scalarProduct3D(T,1/ca):a.scalarProduct3D(b,-1)}if(a.loadLib)return a;var c=Math.floor,k=Math.round,g=Math.max,b=Math.cos,m=Math.sin,q=Math.sqrt,r=15*Math.PI/180,n=Math.cos(r),w=Math.sin(r),x=Math.tan(r),e,u,l,v,y,B,E,D,F,H,G,K,C,A,J,I,N,z,M,L=[],O,Q,P,V,U,R,S,T,ca,W;a.Space3D=function(b,c){a.Space.call(this,b,c);l=this;l.backCanvas=document.createElement("canvas");l.backCanvas.setAttribute("id",
l.id+"_background");l.backCanvas.setAttribute("width",l.w+"px");l.backCanvas.setAttribute("height",l.h+"px");l.canvas=document.createElement("canvas");l.canvas.setAttribute("id",l.id+"_canvas");l.canvas.setAttribute("width",l.w+"px");l.canvas.setAttribute("height",l.h+"px");l.canvas.setAttribute("class","DescartesSpace3DCanvas");l.canvas.setAttribute("style","z-index: "+l.zIndex+";");l.ctx=l.canvas.getContext("2d");l.ctx.imageSmoothingEnabled=!1;l.parent.images[l.id+".image"]=l.canvas;l.parent.images[l.id+
".image"].ready=1;l.parent.images[l.id+".image"].complete=!0;l.evaluator.setVariable(l.id+".image",l.id+".image");l.graphicControlContainer=document.createElement("div");l.graphicControlContainer.setAttribute("id",l.id+"_graphicControls");l.graphicControlContainer.setAttribute("style","position: absolute; left: 0px; top: 0px; z-index: "+l.zIndex+";");l.numericalControlContainer=document.createElement("div");l.numericalControlContainer.setAttribute("id",l.id+"_numericalControls");l.numericalControlContainer.setAttribute("style",
"position: absolute; left: 0px; top: 0px; z-index: "+l.zIndex+";");l.container=document.createElement("div");l.container.setAttribute("id",l.id);l.container.setAttribute("class","DescartesSpace3DContainer");l.container.setAttribute("style","left: "+l.x+"px; top: "+l.y+"px; z-index: "+l.zIndex+";");l.container.appendChild(l.backCanvas);l.container.appendChild(l.canvas);l.container.appendChild(l.graphicControlContainer);l.container.appendChild(l.numericalControlContainer);b.container.insertBefore(l.container,
b.loader);l.eye={x:0,y:0,z:0};l.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 e=0,d=l.lights.length;e<d;e++)l.lights[e]=a.normalize3D(l.lights[e]);l.light3={x:0,y:0,z:0};l.intensity=[.4,.5,.3,0];l.userIntensity=0;l.dim=1;l.tmpIntensity=[];l.OxStr=l.id+".Ox";l.OyStr=l.id+".Oy";l.scaleStr=l.id+".escala";l.wStr=l.id+"._w";l.hStr=l.id+"._h";l.obsStr=l.id+".observador";l.rotZStr=l.id+".rot.z";l.rotYStr=l.id+".rot.y";l.userIDimStr=l.id+".userIlum.dim";l.userIIStr=l.id+
".userIlum.I";l.userIxStr=l.id+".userIlum.x";l.userIyStr=l.id+".userIlum.y";l.userIzStr=l.id+".userIlum.z";l.new3DStr=l.id+"._3Dnew_";l.xOStr=l.id+".xO";l.yOStr=l.id+".yO";l.zOStr=l.id+".zO";l.AOStr=l.id+".AO";l.BOStr=l.id+".BO";l.COStr=l.id+".CO";l.zoomStr=l.id+".zoom";l.evaluator.setVariable(l.rotZStr,0);l.evaluator.setVariable(l.rotYStr,0);l.evaluator.setVariable(l.userIDimStr,l.dim);l.evaluator.setVariable(l.userIIStr,l.userIntensity);l.evaluator.setVariable(l.userIxStr,0);l.evaluator.setVariable(l.userIyStr,
0);l.evaluator.setVariable(l.userIzStr,0);l.addEvents()};a.extend(a.Space3D,a.Space);a.Space3D.prototype.init=function(a){l=this;l.uber.init.call(l);l.canvas&&(l.canvas.width=l.backCanvas.width=l.w,l.canvas.height=l.backCanvas.height=l.h,l.canvas.style.width=l.backCanvas.style.width=l.w+"px",l.canvas.style.height=l.backCanvas.style.height=l.h+"px");l.w_2=l.w/2;l.h_2=l.h/2;l.w_plus_h=l.w+l.h;l.oldMouse={x:0,y:0}};a.Space3D.prototype.update=function(a){l=this;e=l.evaluator;u=l.parent;l.new3D=0<e.getVariable(l.new3DStr);
e.setVariable(l.wStr,l.w);e.setVariable(l.hStr,l.h);l.drawIfValue=0<e.eval(l.drawif);if(l.drawIfValue){B=l.x!==e.eval(l.xExpr)+l.displaceRegionWest;E=l.y!==e.eval(l.yExpr)+u.plecaHeight+l.displaceRegionNorth;l.spaceChange=a||B||E||l.drawBefore!==l.drawIfValue||l.Ox!==e.getVariable(l.OxStr)||l.Oy!==e.getVariable(l.OyStr)||l.scale!==e.getVariable(l.scaleStr);l.x=B?e.eval(l.xExpr)+l.displaceRegionWest:l.x;l.y=E?e.eval(l.yExpr)+u.plecaHeight+l.displaceRegionNorth:l.y;l.Ox=e.getVariable(l.OxStr);l.Oy=
e.getVariable(l.OyStr);l.scale=e.getVariable(l.scaleStr);l.drawBefore=l.drawIfValue;if(a||void 0==l.observer){a=0;for(var b=l.parent.controls.length;a<b;a++)l.parent.controls[a].id===l.obsStr&&(W=!0);l.observer=W?e.getVariable(l.obsStr)||2.5*l.w_plus_h:2.5*l.w_plus_h;l.observer=g(l.observer,.25*l.w_plus_h);e.setVariable(l.obsStr,l.observer)}l.new3D?(void 0==e.getVariable(l.xOStr)&&e.setVariable(l.xOStr,l.observer/l.scale*n),void 0==e.getVariable(l.yOStr)&&e.setVariable(l.yOStr,0),void 0==e.getVariable(l.zOStr)&&
e.setVariable(l.zOStr,l.observer/l.scale*w),void 0==e.getVariable(l.AOStr)&&e.setVariable(l.AOStr,0),void 0==e.getVariable(l.BOStr)&&e.setVariable(l.BOStr,345),void 0==e.getVariable(l.COStr)&&e.setVariable(l.COStr,0),l.xO=e.getVariable(l.xOStr),l.yO=e.getVariable(l.yOStr),l.zO=e.getVariable(l.zOStr),l.AO=e.getVariable(l.AOStr),l.BO=e.getVariable(l.BOStr),l.CO=e.getVariable(l.COStr),l.zoom=e.getVariable(l.zoomStr),l.eye={x:parseFloat(e.getVariable(l.xOStr)),y:parseFloat(e.getVariable(l.yOStr)),z:parseFloat(e.getVariable(l.zOStr))}):
(l.D=l.observer/3,l.eye={x:l.D/l.scale,y:0,z:l.D/l.scale*x},l.RX0=l.Ox,l.RY0=l.Oy-l.D*x,l.bfactor=l.scale*l.eye.x,l.observer=g(e.getVariable(l.obsStr),.25*l.w_plus_h),l.observer!=e.getVariable(l.obsStr)&&(e.setVariable(l.obsStr,l.observer),l.parent.updateControls()));1E-6>l.scale?(l.scale=1E-6,e.setVariable(l.scaleStr,1E-6)):1E6<l.scale&&(l.scale=1E6,e.setVariable(l.scaleStr,1E6));if(B||E)l.container.style.left=l.x+"px",l.container.style.top=l.y+"px";l.container.style.display="block";l.dim=e.getVariable(l.userIDimStr);
l.userIntensity=e.getVariable(l.userIIStr);l.light3={x:parseInt(e.getVariable(l.userIxStr)),y:parseInt(e.getVariable(l.userIyStr)),z:parseInt(e.getVariable(l.userIzStr))};l.updateCamera();l.draw()}else l.container.style.display="none"};a.Space3D.prototype.updateCamera=function(){l=this;l.new3D?(l.D=l.scale*l.eye.x/n,l.XE=k(l.scale*l.eye.y+.5),l.YE=k(l.scale*l.eye.z+.5)):(l.D=l.observer/3,l.eye.x=l.D/l.scale,l.eye.y=0,l.eye.z=l.D/l.scale*x)};a.Space3D.prototype.rotateVertex=function(c){C=a.degToRad(l.evaluator.getVariable(l.rotZStr));
A=b(C);J=m(C);h=c.x*A-c.y*J;d=c.x*J+c.y*A;f=c.z;C=a.degToRad(l.evaluator.getVariable(l.rotYStr));A=b(C);J=m(C);return{x:f*J+h*A,y:d,z:f*A-h*J}};var ma,ia,X,Y,na,ja,da,Z,oa,ka,aa,ba,pa,qa,ra,sa,ta,ua,va,wa,xa,ea,fa,ga,ha,ya,za,la;a.Space3D.prototype.project=function(a){l=this;if(l.new3D){H=l.eye.x-a.x;G=l.eye.y-a.y;K=l.eye.z-a.z;var b=q(H*H+G*G+K*K);ma=l.AO%360;ia=ma*Math.PI/180;X=Math.cos(ia);Y=Math.sin(ia);na=l.BO%360;ja=na*Math.PI/180;da=Math.cos(ja);Z=Math.sin(ja);oa=l.CO%360;ka=oa*Math.PI/180;
aa=Math.cos(ka);ba=Math.sin(ka);pa=da*X;qa=-aa*da*Y-ba*Z;ra=-ba*da*Y+aa*Z;sa=Y;ta=aa*X;ua=ba*X;va=-Z*X;wa=aa*Z*Y-ba*X;xa=ba*Z*Y+aa*X;ea=-l.eye.x+a.x;fa=-l.eye.y+a.y;ga=-l.eye.z+a.z;ha=pa*ea+sa*fa+va*ga;ya=qa*ea+ta*fa+wa*ga;za=ra*ea+ua*fa+xa*ga;la=parseFloat(l.evaluator.getVariable(l.zoomStr));return{x:this.getAbsoluteX(-la*ya/ha),y:this.getAbsoluteY(-la*za/ha),z:0<ha?-b:b}}b=l.bfactor/(a.x-l.eye.x);return{x:this.w_2+l.RX0-b*(a.y-l.eye.y),y:this.h_2+l.RY0+b*(a.z-l.eye.z),z:l.eye.x-a.x}};a.Space3D.prototype.computeColor=
function(b,e,d){b.match("rgba")?b=a.RGBAToHexColor(b):b.match("#")&&(b=new a.Color(b.substring(1)));V=a.subtract3D(this.eye,e.average);U=a.norm3D(V);R=a.scalarProduct3D(V,1/U);this.lights[3]=a.subtract3D(this.light3,e.average);M=a.norm3D(this.lights[3]);for(var f=0,g=this.intensity.length-1;f<g;f++)L[f]=this.intensity[f]*this.dim;L[3]=this.userIntensity*this.userIntensity/M||0;O=d?this.dim/2:this.dim/4;Q=0;P=0<=e.direction?e.normal:a.scalarProduct3D(e.normal,-1);f=0;for(g=this.lights.length;f<g;f++)d?
(Q=Math.max(0,a.dotProduct3D(p(this.lights[f],P),R)),Q*=Q*Q):Q=Math.max(0,a.dotProduct3D(this.lights[f],P)),O+=L[f]*Q;O=Math.min(O,1);I=c(b.r*O);N=c(b.g*O);z=c(b.b*O);return"rgba("+I+","+N+","+z+","+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));if(!this.click){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++){v=this.graphics[a];if(v.split||this.split)for(var c=a+1;c<b;c++)y=this.graphics[c],(y.split||this.split)&&v.splitFace(y);this.primitives=this.primitives.concat(v.primitives||[])}}a=0;for(b=this.primitives.length;a<b;a++)this.primitives[a].computeDepth(this);this.primitives=this.primitives.sort(function(a,b){return b.depth-a.depth});if("painter"===this.render)this.drawPainter(this.primitives);else for(a=0,b=this.primitives.length;a<b;a++)this.primitives[a].passDraw&&this.primitives[a].draw(this.ctx,
this);a=0;for(b=this.graphicsCtr.length;a<b;a++)this.graphicsCtr[a].draw()};a.Space3D.prototype.drawPainter=function(a){for(var b=a.length,c=0;c<b;c++)a[c].drawn=!1,a[c].draw(this.ctx,this);for(var e=[],d=[],f=0,g=a.length,k=.001,h,m;;){h=g;for(c=0;c<b;c++)if(!a[c].drawn){m=!0;for(var l=0;l<b;l++)if(l!=c&&!a[l].drawn&&a[c].inFrontOf(e,a[l],k)){m=!1;break}m&&(g--,d[f++]=a[c],a[c].drawn=!0)}if(0==g)break;else if(g==h){if(k*=10,.1<k){for(c=0;c<b;c++)a[c].drawn||(d[f++]=a[c],a[c].drawn=!0);break}}else k=
.001}for(c=0;c<b;c++)d[c].draw(this.ctx,this)};a.Space3D.prototype.rayFromEye=function(a,b){return{x:-this.eye.x,y:(a-(this.w_2+this.Ox))/this.scale-this.eye.y,z:(this.h_2+this.Oy-b)/this.scale-this.eye.z}};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",d,!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 e(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 d(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){D=parseInt(50*(g.oldMouse.x-g.mouse_x));F=parseInt(50*(g.oldMouse.y-g.mouse_y));
if(D!==g.disp.x||F!==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)-D),g.beta=k(a.radToDeg(g.beta)-F),g.evaluator.setVariable(g.rotZStr,g.alpha),g.evaluator.setVariable(g.rotYStr,-g.beta),g.disp.x=D,g.disp.y=F,g.oldMouse.x=g.getRelativeX(g.posAnte.x),g.oldMouse.y=g.getRelativeY(g.posAnte.y);e(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);e(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",d))):"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),e(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,k=d.length;c<k&&(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 g=this;this.descApp.update=function(){this.updateAuxiliaries();this.updateEvents();this.updateControls();this.updateSpaces();g.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,k;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 f=this;this.MyIFrame.onload=function(a){var b=this;f.evaluator.setFunction(f.id+".set",function(a,c){b.contentWindow.postMessage({type:"set",name:a,value:c},"*");return 0});f.evaluator.setFunction(f.id+".update",function(){b.contentWindow.postMessage({type:"update"},"*");return 0});f.evaluator.setFunction(f.id+".exec",function(a,c){b.contentWindow.postMessage({type:"exec",name:a,value:c},"*");return 0});f.ImReady=!f.isFirefox;f.isFirefox||(f.container.style.visibility="visible",
f.container.style.opacity="1",f.container.style.zIndex=f.zIndex,f.container.style.display=f.drawIfValue?"block":"none");f.MyIFrame.style.visibility="visible";f.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));
k=h.getVariable(this.id+"._scroll");1==k?(this.MyIFrame.setAttribute("scrolling","yes"),this.MyIFrame.style.overflow=""):-1==k?(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 f=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("+f+");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,f=this.audios,b=/[\w\.\-//]*(\.png|\.jpg|\.gif|\.svg)/gi,h=/[\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 q,p,n,w,x,e;n=0;for(x=c.length;n<x;n++)if("rtf"!==
c[n].name){if(c[n].value.match(/'macro'|'makro'/g)){w="";var u;q=this.lessonParser.split(c[n].value);p=0;for(e=q.length;p<e;p++)"expresion"===babel[q[p][0]]&&(w=q[p][1]);w&&((u=document.getElementById(w))&&"descartes/macro"==u.type?u=u.text:(u=a.openExternalFile(w))&&!u.match(/tipo_de_macro/g)&&(u=null));if(u&&(q=u.match(b)))for(w=0,e=q.length;w<e;w++)p=q[w],p.toLowerCase().match(/vacio.gif$/)||""==p.substring(0,p.length-4)||(d[p]=new Image,d[p].addEventListener("load",function(){this.ready=1}),d[p].addEventListener("error",
function(){this.errorload=1}),d[p].src=p)}if(q=c[n].value.match(b))for(w=0,e=q.length;w<e;w++)p=q[w],p.toLowerCase().match(/vacio.gif$/)||""==p.substring(0,p.length-4)||(d[p]=new Image,d[p].addEventListener("load",function(){this.ready=1}),d[p].addEventListener("error",function(){this.errorload=1}),d[p].src=p);if(q=c[n].value.match(h))for(w=0,p=q.length;w<p;w++)this.initAudio(q[w])}for(var l in d)d.hasOwnProperty(l)&&this.images.length++;for(l in f)f.hasOwnProperty(l)&&this.audios.length++;var v=
this,y=this.images.length+this.audios.length;this.sep=2*(this.barWidth-2)/y;var B=function(){v.readys=0;for(var b in d)d.hasOwnProperty(b)&&(d[b].ready||d[b].errorload)&&v.readys++;for(b in v.audios)f.hasOwnProperty(b)&&(f[b].ready||f[b].errorload)&&v.readys++;v.readys!=y?a.setTimeout(B,30):(a.clearInterval(v.timer),v.descartesApp.initBuildApp())};B()};a.DescartesLoader.prototype.initAudio=function(c){var d=this.audios;d[c]=new Audio(c);d[c].filename=c;var f=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",f),d[c].addEventListener("load",f),d[c].addEventListener("error",b),d[c].load())};d[c].addEventListener("canplaythrough",f);d[c].addEventListener("load",f);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,k,g){d=this.barWidth;f=this.barHeight;a.translate(k/2,(g-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,f){var b=document.createElement("canvas");f=5E6<a*this.ratio*
d*this.ratio?1:f;b.width=a*f;b.height=d*f;b.style.width=a+"px";b.style.height=d+"px";var m=b.getContext("2d");m.save();m.setTransform(f,0,0,f,0,0);m.strokeStyle=m.fillStyle="#1f358d";m.lineCap="round";m.lineWidth=2;m.beginPath();h=a<d?a/360:d/195;h=2.5<h?2.5:h;m.translate((a-120*h)/2,(d-65*h)/2);m.scale(h,h);m.moveTo(3,25);m.lineTo(3,1);m.lineTo(21,1);m.bezierCurveTo(33,1,41,15,41,25);m.stroke();m.beginPath();m.moveTo(1,63);m.lineTo(1,64);m.moveTo(5,62);m.lineTo(5,64);m.moveTo(9,61);m.lineTo(9,64);
m.moveTo(13,60);m.lineTo(13,64);m.moveTo(17,58);m.lineTo(17,64);m.moveTo(21,56);m.lineTo(21,64);m.moveTo(25,53);m.lineTo(25,64);m.moveTo(29,50);m.lineTo(29,64);m.moveTo(33,46);m.lineTo(33,64);m.moveTo(37,41);m.lineTo(37,64);m.moveTo(41,32);m.lineTo(41,64);m.stroke();m.font="20px descartesJS_sansserif, Arial, Helvetica, Sans-serif";m.fillText("escartes",45,33);m.fillText("JS",98,64);m.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;k=Math.min(p,c);a.cssScale=k.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("+k+") translate3d(0, 0, 0)"):(this.container.style.left=
"50%",this.container.style.transform="perspective(1px) scale("+k+") 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,k=0,h=a.ccLicense?90:0,n=0,p=c.length;n<p;n++)b=c[n],"rtf_height"==b.name&&(f=parseInt(b.value)||this.height),"Buttons"==babel[b.name]&&(this.buttonsConfig=this.lessonParser.parseButtonsConfig(b.value),k=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+k+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=[],k=[],h=[],p=[],x=[],e,u=0,l=c.length;u<l;u++)if(e=c[u],"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 v=(this.width-780)/2,
y=parseInt(this.height)-this.plecaHeight-this.buttonsConfig.height-45;h.push("space='descartesJS_stage' type='text' expresion='[10,20]' background='yes' text='"+e.value.replace(/'/g,"&squot;")+"'");h.push("space='descartesJS_stage' type='text' expresion='["+v+","+(y-25)+"]' background='yes' text='"+this.licenseA+"'");a.ccLicense&&h.push("space='descartesJS_stage' type='image' expresion='["+(v+15)+","+y+"]' 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))k.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;h.push(e.value)}else/^S_/.test(e.name)?p.push(e.value):
"Animation"==babel[e.name]&&x.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));u=0;for(l=d.length;u<l;u++)c=b.parseSpace(d[u]),this.arquimedes&&this.stage.container.appendChild(c.container),this.spaces.push(c),this.zIndex++;u=0;for(l=h.length;u<l;u++)if(d=b.parseGraphic(h[u]))d.visible&&(this.editableRegionVisible=!0),d.space.addGraph(d);u=0;for(l=p.length;u<l;u++)(d=b.parse3DGraphic(p[u]))&&d.space.addGraph(d,!0);u=0;for(l=f.length;u<l;u++)this.controls.push(b.parseControl(f[u]));u=0;for(l=k.length;u<l;u++)b.parseAuxiliar(k[u]);u=0;
for(l=x.length;u<l;u++)this.animation=b.parseAnimation(x[u]);this.configRegions();this.updateAuxiliaries();this.updateAuxiliaries();u=0;for(l=this.controls.length;u<l;u++)this.controls[u].init();this.updateControls();this.updateSpaces(!0);var B=this;this.nIframes?a.setTimeout(function(){B.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",k=100,h=100,p=100,x=100;2==this.version&&(f="14",k=63,h=50,p=44,x=53);var e=0,u=0,l=0,v=0,y=0,B=0,E=0,D=0,F=0,E=this.northSpace.controls,D=this.southSpace.controls,H=this.eastSpace.controls,y=this.westSpace.controls;
if(0<b.rowsNorth||0<E.length||b.about||b.config){0>=b.rowsNorth?(e=b.height,b.rowsNorth=1):e=b.height*b.rowsNorth;B=this.northSpace.container;B.setAttribute("id","descartesJS_north");B.setAttribute("style","width:"+d.width+"px; height:"+e+"px; background:#c0c0c0; position:absolute; left:0px; top: "+this.plecaHeight+"px; z-index:100;");d.insertBefore(B,this.loader);var B=d.width,G=0;b.about?(G=k,B-=G):k=0;b.config&&(B-=h);for(var K=Math.ceil(E.length/b.rowsNorth),C=B/K,v=0,A=E.length;v<A;v++)E[v].expresion=
c.parse("("+(G+v%K*C)+","+b.height*Math.floor(v/K)+","+C+","+b.height+")"),E[v].drawif=c.parse("1"),E[v].init();b.about&&(v=new a.Button(this,{region:"north",name:"english"==this.language?"about":"cr\u00e9ditos",font_size:c.parse(f),expresion:c.parse("(0, 0, "+k+", "+e+")")}),v.actionExec={execute:a.showAbout},v.update());b.config&&(new a.Button(this,{region:"north",name:"config",font_size:c.parse(f),action:"config",expresion:c.parse("("+(B+k)+", 0, "+h+", "+e+")")})).update()}if(0<b.rowsSouth||0<
D.length||b.init||b.clear){0>=b.rowsSouth?(u=b.height,b.rowsSouth=1):u=b.height*b.rowsSouth;E=d.width;G=0;b.init?(G=p,E-=G):p=0;b.clear&&(E-=x);B=this.southSpace.container;B.setAttribute("id","descartesJS_south");B.setAttribute("style","width:"+d.width+"px; height:"+u+"px; background:#c0c0c0; position:absolute; left: 0px; top:"+(d.height-u)+"px; z-index:100;");d.insertBefore(B,this.loader);K=Math.ceil(D.length/b.rowsSouth);C=E/K;v=0;for(A=D.length;v<A;v++)D[v].expresion=c.parse("("+(G+v%K*C)+","+
b.height*Math.floor(v/K)+","+C+","+b.height+")"),D[v].drawif=c.parse("1"),D[v].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+", "+u+")")})).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("("+(E+p)+", 0, "+x+", "+u+")")})).update()}if(0<H.length)for(l=d.height-e-u,D=b.widthEast,
B=this.eastSpace.container,B.setAttribute("id","descartesJS_east"),B.setAttribute("style","width:"+D+"px; height:"+l+"px; background:#c0c0c0; position:absolute; left:"+(d.width-D)+"px; top:"+e+"px; z-index:100;"),d.insertBefore(B,this.loader),v=0,A=H.length;v<A;v++)H[v].expresion=c.parse("(0,"+b.height*v+","+D+","+b.height+")"),H[v].drawif=c.parse("1"),H[v].init();if(0<y.length)for(v=d.height-e-u,F=b.widthWest,B=this.westSpace.container,B.setAttribute("id","descartesJS_west"),B.setAttribute("style",
"width: "+F+"px; height: "+v+"px; background: #c0c0c0; position: absolute; left: 0px; top: "+e+"px; z-index: 100;"),d.insertBefore(B,this.loader),v=0,A=y.length;v<A;v++)y[v].expresion=c.parse("(0,"+b.height*v+","+F+","+b.height+")"),y[v].drawif=c.parse("1"),y[v].init();if(this.editableRegionVisible)for(y=b.height,B=this.editableRegion.container,B.setAttribute("id","descartesJS_editableRegion"),B.setAttribute("style","width:"+d.width+"px; height:"+y+"px; position:absolute; left:0px; top:"+(d.height-
u-b.height)+"px; z-index:100; background:#c0c0c0; overflow:hidden;"),d.insertBefore(B,this.loader),c=this.editableRegion.textFields,d=d.width/c.length,b=a.getFieldFontSize(y),v=0,A=c.length;v<A;v++)"div"==c[v].type?(B.appendChild(c[v].container),c[v].container.setAttribute("style","font-family:descartesJS_sansserif,Arial,Sans-serif;width:"+(d-4)+"px;height:"+y+"px;position:absolute;left:"+v*d+"px;top:0;"),f=c[v].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:"+y+"px;text-align:center;line-height:"+y+"px;"),k=f.offsetWidth,f.style.width=k+"px",f.firstChild.textContent=f.firstChild.textContent.substring(3,f.firstChild.textContent.length-3),c[v].container.lastChild.setAttribute("style","font-family:descartesJS_monospace,'Courier New',Monospace;font-size:"+b+"px;width:"+(d-k)+"px;height:"+y+"px;position:absolute;left:"+k+"px;top:0;border:2px groove white;")):(B.appendChild(c[v]),
c[v].setAttribute("style","font-family:descartesJS_monospace,'Courier New',Monospace;font-size:"+b+"px;width:"+d+"px;height:"+y+"px;position:absolute;left:"+v*d+"px;top:0;border:2px groove white;"));this.displaceRegionNorth=e;this.displaceRegionSouth=u;this.displaceRegionEast=l;this.displaceRegionWest=F;v=0;for(A=this.spaces.length;v<A;v++)this.spaces[v].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 k=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",k),b[c].load())};b[c].addEventListener("error",k);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 k in f)f.hasOwnProperty(k)&&(a=f[k],b=b+"\n"+k+"="+h(a));return b};a.DescartesApp.prototype.setState=function(a,b){for(var c=a.split("\n"),d,f,k=0,h=c.length;k<h;k++)d=c[k].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,k;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=[],h=0,p=b.length;h<p;h++)f.test(b[h].getAttribute("code"))&&d.push(b[h]);b=0;for(f=d.length;b<f;b++)a.apps.push(new a.DescartesApp(d[b])),d[b].className="DescartesJS";window.addEventListener("resize",
a.onResize);window.scrollTo(0,0)}else document.getElementById("StyleDescartesApps").innerHTML="applet.DescartesJS {display:block;} applet {display:block;} ajs.DescartesJS {display:block;} ajs {display:block;}";document.body.removeChild(c)}if(a.loadLib)return a;a.apps=[];a.getDescartesApps=function(){return a.apps};window.hasOwnProperty("debugDescartesJS")&&debugDescartesJS||h();a.onResize=function(c){0<a.apps.length&&a.apps[0].scaleToFit()};a.onMessage=function(c){if(0<a.apps.length){var d=c.data;
d&&("set"===d.type?"string"==typeof d.value||"number"==typeof d.value?a.apps[0].evaluator.setVariable(d.name,d.value):d.value&&void 0!=d.value.rows?a.apps[0].evaluator.matrices[d.name]=d.value:a.apps[0].evaluator.vectors[d.name]=d.value:"update"===d.type?a.apps[0].update():"exec"===d.type?(c=a.apps[0].evaluator.getFunction(d.name),d=d.value.toString().split(","),c&&c.apply(a.apps[0].evaluator,d)):"isResizeNeeded"===d.type?c.source.postMessage({type:"doResize"},"*"):"doResize"===d.type&&0<a.apps.length&&
a.apps[0].adjustSize())}};if(void 0==a.loadLib){a.loadLib=!0;window.addEventListener("load",d);window.addEventListener("message",a.onMessage);for(var f=["webkitTransitionEnd","transitionend","oTransitionEnd","MSTransitionEnd"],p=0,c=f.length;p<c;p++)window.addEventListener(f[p],function(c){a.onResize(c)})}return a}(descartesJS||{});
