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<html>
<head>
<title>JSXGraph example</title>
<link rel="stylesheet" type="text/css" href="../distrib/jsxgraph.css" />
<script type="text/javascript" src="../distrib/jsxgraphcore.js"></script>
</head>
<body>
<h2>B-splines</h2>
<div id="jxgbox" class="jxgbox" style="width:600px; height:600px;"></div>
<div id="debug" style="display:block;"></div>
<form><input type="button" value="add point"
onclick="p.push(board.createElement('point',[Math.random()*8-4,Math.random()*8-4]));board.update();"></form>
<script type="text/javascript">
/* <![CDATA[ */
var board, p;
(function(){
var i, col;
board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox:[-4,4,4,-4], keepaspectratio:true, axis:true});
//board.options.curve.doAdvancedPlot = false;
p = [];
for (i=0;i<8;i++) {
if (i%1==0) {
col = 'red';
} else {
col = 'blue';
}
p.push(board.createElement('point',[Math.random()*8-4,Math.random()*8-4],{/*id:'p'+i,*/strokeColor:col,fillColor:col}));
}
var c = board.createElement('curve', JXG.Math.Numerics.bspline(p,4), {strokecolor:'blue', strokeWidth:2});
return p;
})();
/* ]]> */
</script>
</body>
</html>
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