Poincare disc model: Difference between revisions

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var p = brd.create('point',[0,-4],{withLabel:false});
var p = brd.create('point',[0,-4],{withLabel:false});
var t = brd.create('polar', [c,p], {strokeColor:'gray', dash:2, visible:false});  
var t = brd.create('polar', [c,p], {strokeColor:'gray', dash:2, visible:false});  
var s1 = brd.create('intersection', [c,t,0], {withLabel:false});  
var s1 = brd.create('intersection', [c,t,0], {withLabel:false, strokeColor:'green', fillColor:'green'});  
var s2 = brd.create('intersection', [c,t,1], {withLabel:false});  
var s2 = brd.create('intersection', [c,t,1], {withLabel:false, strokeColor:'green', fillColor:'green'});  
var arc = brd.create('arc',[p,s1,s2],{name:'g', withLabel:true});
var arc = brd.create('arc',[p,s1,s2],{name:'g', withLabel:true});


Line 20: Line 20:


var t2 = brd.create('polar', [c,x], {strokeColor:'gray', dash:2, visible:false});  
var t2 = brd.create('polar', [c,x], {strokeColor:'gray', dash:2, visible:false});  
var s1 = brd.create('intersection', [c,t2,0], {withLabel:false});  
var ss1 = brd.create('intersection', [c,t2,0], {withLabel:false, strokeColor:'green', fillColor:'green'});  
var s2 = brd.create('intersection', [c,t2,1], {withLabel:false});  
var ss2 = brd.create('intersection', [c,t2,1], {withLabel:false, strokeColor:'green', fillColor:'green'});  
var arc = brd.create('circumcirclearc',[s1,pp,s2], {strokeWidth:1, trace:true});
var arc = brd.create('circumcirclearc',[ss1,pp,ss2], {strokeWidth:1, trace:true});
</jsxgraph>
</jsxgraph>



Revision as of 07:30, 22 July 2010

References

  • Chaim Goodman-Strauss, "Compass and Straightedge in the Poincare Disk", Am. Math. Monthly 108 (2001), 38-49.