Difference between revisions of "Euler line (dup)"
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Jump to navigationJump to searchA WASSERMANN (talk | contribs) (New page: <jsxgraph width="500" height="500" box="box"> brd = JXG.JSXGraph.initBoard('box', {boundingbox: [-2, 2, 2, -2], keepaspectratio:true}); brd.suspendUpdate(); A = brd.createElement('point',...) |
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brd.suspendUpdate(); | brd.suspendUpdate(); | ||
− | A = brd. | + | A = brd.create('point',[1,0]); |
− | B = brd. | + | B = brd.create('point',[-1,0]); |
− | C = brd. | + | C = brd.create('point',[0.2,1.5]); |
− | pol = brd. | + | pol = brd.create('polygon',[A,B,C]); |
− | pABC = brd. | + | pABC = brd.create('perpendicular',[pol.borders[0],C],{strokeWidth:1,dash:2}); |
− | pBCA = brd. | + | pBCA = brd.create('perpendicular',[pol.borders[1],A],{strokeWidth:1,dash:2}); |
− | pCAB = brd. | + | pCAB = brd.create('perpendicular',[pol.borders[2],B],{strokeWidth:1,strokeColor:'yellow',dash:2}); |
− | i1 = brd. | + | i1 = brd.create('intersection',[pABC,pCAB,0]); |
− | pABC | + | pABC.setProperty({strokeColor:'#000000',dash:1,strokeWidth:1}); |
− | pBCA | + | pBCA.setProperty({strokeColor:'#000000',dash:1,strokeWidth:1}); |
− | pCAB | + | pCAB.setProperty({strokeColor:'#000000',dash:1,strokeWidth:1}); |
− | mAB = brd. | + | mAB = brd.create('midpoint',[A,B]); |
− | mBC = brd. | + | mBC = brd.create('midpoint',[B,C]); |
− | mCA = brd. | + | mCA = brd.create('midpoint',[C,A]); |
− | ma = brd. | + | ma = brd.create('segment',[mBC,A],{strokeWidth:1,strokeColor:'#333333',dash:2}); |
− | mb = brd. | + | mb = brd.create('segment',[mCA,B],{strokeWidth:1,strokeColor:'#333333',dash:2}); |
− | mc = brd. | + | mc = brd.create('segment',[mAB,C],{strokeWidth:1,strokeColor:'#333333',dash:2}); |
− | i2 = brd. | + | i2 = brd.create('intersection',[ma,mc,0]); |
− | i3 = brd. | + | i3 = brd.create('circumcirclemidpoint',[A,B,C]); |
− | c = brd. | + | c = brd.create('circumcircle',[A,B,C],{strokeColor:'#000000',dash:3,strokeWidth:1}); |
− | |||
− | euler = brd. | + | euler = brd.create('line',[i1,i3],{strokeWidth:2,strokeColor:'red'}); |
brd.unsuspendUpdate(); | brd.unsuspendUpdate(); | ||
</jsxgraph> | </jsxgraph> | ||
− | <source lang=" | + | |
+ | ===The JavaScript code=== | ||
+ | |||
+ | <source lang="javascript"> | ||
+ | brd = JXG.JSXGraph.initBoard('box', {boundingbox: [-2, 2, 2, -2], keepaspectratio:true}); | ||
+ | |||
+ | brd.suspendUpdate(); | ||
+ | A = brd.create('point',[1,0]); | ||
+ | B = brd.create('point',[-1,0]); | ||
+ | C = brd.create('point',[0.2,1.5]); | ||
+ | pol = brd.create('polygon',[A,B,C]); | ||
+ | |||
+ | pABC = brd.create('perpendicular',[pol.borders[0],C],{strokeWidth:1,dash:2}); | ||
+ | pBCA = brd.create('perpendicular',[pol.borders[1],A],{strokeWidth:1,dash:2}); | ||
+ | pCAB = brd.create('perpendicular',[pol.borders[2],B],{strokeWidth:1,strokeColor:'yellow',dash:2}); | ||
+ | i1 = brd.create('intersection',[pABC,pCAB,0]); | ||
+ | pABC.setProperty({strokeColor:'#000000',dash:1,strokeWidth:1}); | ||
+ | pBCA.setProperty({strokeColor:'#000000',dash:1,strokeWidth:1}); | ||
+ | pCAB.setProperty({strokeColor:'#000000',dash:1,strokeWidth:1}); | ||
+ | |||
+ | mAB = brd.create('midpoint',[A,B]); | ||
+ | mBC = brd.create('midpoint',[B,C]); | ||
+ | mCA = brd.create('midpoint',[C,A]); | ||
+ | ma = brd.create('segment',[mBC,A],{strokeWidth:1,strokeColor:'#333333',dash:2}); | ||
+ | mb = brd.create('segment',[mCA,B],{strokeWidth:1,strokeColor:'#333333',dash:2}); | ||
+ | mc = brd.create('segment',[mAB,C],{strokeWidth:1,strokeColor:'#333333',dash:2}); | ||
+ | i2 = brd.create('intersection',[ma,mc,0]); | ||
+ | |||
+ | i3 = brd.create('circumcirclemidpoint',[A,B,C]); | ||
+ | c = brd.create('circumcircle',[A,B,C],{strokeColor:'#000000',dash:3,strokeWidth:1}); | ||
+ | |||
+ | euler = brd.create('line',[i1,i3],{strokeWidth:2,strokeColor:'red'}); | ||
+ | brd.unsuspendUpdate(); | ||
</source> | </source> | ||
− | [[Category: | + | [[Category:Austragungsstueberl]] |
− |
Latest revision as of 08:37, 8 June 2011
The JavaScript code
brd = JXG.JSXGraph.initBoard('box', {boundingbox: [-2, 2, 2, -2], keepaspectratio:true});
brd.suspendUpdate();
A = brd.create('point',[1,0]);
B = brd.create('point',[-1,0]);
C = brd.create('point',[0.2,1.5]);
pol = brd.create('polygon',[A,B,C]);
pABC = brd.create('perpendicular',[pol.borders[0],C],{strokeWidth:1,dash:2});
pBCA = brd.create('perpendicular',[pol.borders[1],A],{strokeWidth:1,dash:2});
pCAB = brd.create('perpendicular',[pol.borders[2],B],{strokeWidth:1,strokeColor:'yellow',dash:2});
i1 = brd.create('intersection',[pABC,pCAB,0]);
pABC.setProperty({strokeColor:'#000000',dash:1,strokeWidth:1});
pBCA.setProperty({strokeColor:'#000000',dash:1,strokeWidth:1});
pCAB.setProperty({strokeColor:'#000000',dash:1,strokeWidth:1});
mAB = brd.create('midpoint',[A,B]);
mBC = brd.create('midpoint',[B,C]);
mCA = brd.create('midpoint',[C,A]);
ma = brd.create('segment',[mBC,A],{strokeWidth:1,strokeColor:'#333333',dash:2});
mb = brd.create('segment',[mCA,B],{strokeWidth:1,strokeColor:'#333333',dash:2});
mc = brd.create('segment',[mAB,C],{strokeWidth:1,strokeColor:'#333333',dash:2});
i2 = brd.create('intersection',[ma,mc,0]);
i3 = brd.create('circumcirclemidpoint',[A,B,C]);
c = brd.create('circumcircle',[A,B,C],{strokeColor:'#000000',dash:3,strokeWidth:1});
euler = brd.create('line',[i1,i3],{strokeWidth:2,strokeColor:'red'});
brd.unsuspendUpdate();