tipo_de_macro=R2
id=a expresin='1' constante=si evaluar=una-sola-vez
id=b expresin='1' constante=si evaluar=una-sola-vez
tipo='poligono' fondo='false' color='negro' expresin='(a,b)(a-0.3,b-0.15)(a-0.6,b-0.3)(a-0.9,b-0.4)(a-1.2,b-0.45)(a-1.5,b-0.5)(a-1.4,b-0.25)(a-1.35,b)(a-1.4,b+0.25)(a-1.5,b+0.5)(a-1.2,b+0.45)(a-0.9,b+0.4)(a-0.6,b+0.3)(a-0.3,b+0.15)(a,b)' relleno='azul' 