Difference between revisions of "Hypotrochoid"

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(New page: <html> <link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" /> <script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/pro...)
 
 
(12 intermediate revisions by 2 users not shown)
Line 1: Line 1:
<html>
+
<jsxgraph box="jxgbox" width="500" height="500">
<link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" />
+
var board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-5, 5, 5, -5]});
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/prototype.js"></script>
+
var g1 = board.create('point', [1, -1], {size:4});
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script>
+
var g2 = board.create('point', [2.5, -2], {size:4});
<div id="jsxgbox" class="jxgbox" style="width:500px; height:500px;"></div>
+
var g3 = board.create('point', [1, -3], {size:3});
<script language="JavaScript">
+
var g4 = board.create('point', [2.5, -4], {size:3});
board = JXG.JSXGraph.initBoard('jsxgbox', {originX: 250, originY: 250, unitX: 50, unitY: 50});
+
var g5 = board.create('point', [-4, 1], {size:3,name:''});
g1 = board.createElement('point', [1, -1], {style:6});
 
g2 = board.createElement('point', [2.5, -2], {style:6});
 
g3 = board.createElement('point', [1, -3], {style:5});
 
g4 = board.createElement('point', [2.5, -4], {style:5});
 
g5 = board.createElement('point', [-4, 1], {style:5,name:''});
 
  
c1 = board.createElement('curve', [
+
var c1 = board.create('curve', [
 
       function(t){ return (g1.X()-g2.X())*Math.cos(t)+g3.X()*Math.cos(t*(g1.X()-g2.X())/g2.X()); },
 
       function(t){ return (g1.X()-g2.X())*Math.cos(t)+g3.X()*Math.cos(t*(g1.X()-g2.X())/g2.X()); },
 
       function(t){ return (g1.X()-g2.X())*Math.sin(t)+g3.X()*Math.sin(t*(g1.X()-g2.X())/g2.X()); },
 
       function(t){ return (g1.X()-g2.X())*Math.sin(t)+g3.X()*Math.sin(t*(g1.X()-g2.X())/g2.X()); },
       "t",0,function(){ return Math.PI*7*Math.abs(g4.X());}],{
+
       0,function(){ return Math.PI*7*Math.abs(g4.X());}],{
 
           strokeWidth:function(){return g5.Y()*3;},
 
           strokeWidth:function(){return g5.Y()*3;},
 
           strokeOpacity:function(){return g5.Y()*0.6;}
 
           strokeOpacity:function(){return g5.Y()*0.6;}
 
         });
 
         });
  
t = board.createElement('text', [function() { return g5.X()+0.2; },function() { return g5.Y()+0.25; },'X(B)=<value>X(B)</value>'],  
+
var t = board.create('text', [function() { return g5.X()+0.2; },function() { return g5.Y()+0.25; }, 'X(B)=<value>X(B)</value>'],  
 
         {  
 
         {  
 
             digits:3,  
 
             digits:3,  
             fontSize:function(){return g5.Y()*10;}
+
             fontSize:function(){return Math.abs(g5.Y())*10+1;}  
 
         });
 
         });
</script>  
+
</jsxgraph>  
</html>
+
 
 +
===The JavaScript code to produce this picture===
 
<source lang="javascript">
 
<source lang="javascript">
 +
var board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-5, 5, 5, -5]});
 +
var g1 = board.create('point', [1, -1], {size:4});
 +
var g2 = board.create('point', [2.5, -2], {size:4});
 +
var g3 = board.create('point', [1, -3], {size:3});
 +
var g4 = board.create('point', [2.5, -4], {size:3});
 +
var g5 = board.create('point', [-4, 1], {size:3,name:''});
 +
 +
var c1 = board.create('curve', [
 +
      function(t){ return (g1.X()-g2.X())*Math.cos(t)+g3.X()*Math.cos(t*(g1.X()-g2.X())/g2.X()); },
 +
      function(t){ return (g1.X()-g2.X())*Math.sin(t)+g3.X()*Math.sin(t*(g1.X()-g2.X())/g2.X()); },
 +
      0,function(){ return Math.PI*7*Math.abs(g4.X());}],{
 +
          strokeWidth:function(){return g5.Y()*3;},
 +
          strokeOpacity:function(){return g5.Y()*0.6;}
 +
        });
 +
 +
var t = board.create('text', [function() { return g5.X()+0.2; },function() { return g5.Y()+0.25; },'X(B)=<value>X(B)</value>'],
 +
        {
 +
            digits:3,
 +
            fontSize:function(){return Math.abs(g5.Y())*10+1;}
 +
        });
 
</source>
 
</source>
  
 
[[Category:Examples]]
 
[[Category:Examples]]
 +
[[Category:Curves]]

Latest revision as of 15:42, 21 February 2013

The JavaScript code to produce this picture

var board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-5, 5, 5, -5]});
var g1 = board.create('point', [1, -1], {size:4});
var g2 = board.create('point', [2.5, -2], {size:4});
var g3 = board.create('point', [1, -3], {size:3});
var g4 = board.create('point', [2.5, -4], {size:3});
var g5 = board.create('point', [-4, 1], {size:3,name:''});

var c1 = board.create('curve', [
       function(t){ return (g1.X()-g2.X())*Math.cos(t)+g3.X()*Math.cos(t*(g1.X()-g2.X())/g2.X()); },
       function(t){ return (g1.X()-g2.X())*Math.sin(t)+g3.X()*Math.sin(t*(g1.X()-g2.X())/g2.X()); },
       0,function(){ return Math.PI*7*Math.abs(g4.X());}],{
          strokeWidth:function(){return g5.Y()*3;},
          strokeOpacity:function(){return g5.Y()*0.6;}
         });

var t = board.create('text', [function() { return g5.X()+0.2; },function() { return g5.Y()+0.25; },'X(B)=<value>X(B)</value>'], 
        { 
            digits:3, 
            fontSize:function(){return Math.abs(g5.Y())*10+1;}
        });