Difference between revisions of "Poincare disc model"

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Line 14: Line 14:
 
var A = brd.create('intersection', [l,t,0], {withLabel:true,visible:false});
 
var A = brd.create('intersection', [l,t,0], {withLabel:true,visible:false});
 
var M = brd.create('midpoint',[pp,A], {withLabel:true,visible:false});
 
var M = brd.create('midpoint',[pp,A], {withLabel:true,visible:false});
var perp = brd.create('perpendicular', [l,M], {name:'', withLabel:false, strokeColor:'gray', dash:1, straightFirst:true, straightLast:true, point: {visible:true}});
+
var perp = brd.create('perpendicular', [l,M], {name:'', withLabel:false, strokeColor:'gray', dash:1, straightFirst:true, straightLast:true, point: {visible:false}});
//perp.setProperty({straightFirst:true, straightLast:true});
 
/*
 
var x = brd.create('glider',[3,3,line[0]], {name:'drag me'});
 
  
var t2 = brd.create('polar', [c,x], {strokeColor:'gray', dash:2, visible:false});  
+
var x = brd.create('glider',[3, 3, perp], {name:'drag me'});
 +
 
 +
var t2 = brd.create('polar', [c, x], {strokeColor:'gray', dash:2, visible:false});  
 
var ss1 = brd.create('intersection', [c,t2,0], {withLabel:false, strokeColor:'green', fillColor:'green'});  
 
var ss1 = brd.create('intersection', [c,t2,0], {withLabel:false, strokeColor:'green', fillColor:'green'});  
 
var ss2 = brd.create('intersection', [c,t2,1], {withLabel:false, strokeColor:'green', fillColor:'green'});  
 
var ss2 = brd.create('intersection', [c,t2,1], {withLabel:false, strokeColor:'green', fillColor:'green'});  
 
var arc = brd.create('circumcirclearc',[ss1,pp,ss2], {strokeWidth:1, trace:true, dash:3});
 
var arc = brd.create('circumcirclearc',[ss1,pp,ss2], {strokeWidth:1, trace:true, dash:3});
*/
 
 
</jsxgraph>
 
</jsxgraph>
  

Revision as of 21:49, 7 July 2011

References

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