Poincare disc model: Difference between revisions

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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});
var perp = brd.create('perpendicular',[l,M], {name:'', withLabel:false, strokeColor:'gray', dash:1, straightFirst:true, straightLast:true});
perp.point.setProperty({'visible':true});
//perp.point.setProperty({'visible':true});
perp.setProperty({straightFirst:true, straightLast:true});
//perp.setProperty({straightFirst:true, straightLast:true});
/*
/*
var x = brd.create('glider',[3,3,line[0]], {name:'drag me'});
var x = brd.create('glider',[3,3,line[0]], {name:'drag me'});

Revision as of 19:38, 7 July 2011

References

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