21 Aug 2007

Asymptote using geometry.asy – fig0430

Figure 0043
(Compiled with Asymptote version 2.14svn-r5318)
    
import geometry;
size(10cm,0);

// currentcoordsys=cartesiansystem((0,0),i=(1,1),j=(-0.5,.75));
// show(currentcoordsys);

point C=(0,0);
point Cp=(0.5,0.5);
dot("$C$",C,NW,red);
dot("$C'$",Cp,N,red);

ellipse el1=ellipse(C,2,1);
ellipse el2=ellipse(Cp,3,1,40);
draw(el1^^el2);

dotfactor*=2;

/* View the definition of point[] intersectionpoints(ellipse,ellipse) */
point[] inter=intersectionpoints(el1,el2);
dot(inter);

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