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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="/javascript/prototype/prototype.js"></script>
<script type="text/javascript" src="../distrib/jsxgraphcore.js"></script>
</head>
<body>
<h2>Input example</h2>
<div id="jxgbox" class="jxgbox" style="width:700px; height:500px;"></div>
<div id="debug" style="display:none;"></div>
<script type="text/javascript">
/* <![CDATA[ */
board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox:[-5,8,8,-5], axis:true});
b1axisx = board.create('axis', [[0,0], [1,0]], {});
b1axisy = board.create('axis', [[0,0], [0,1]], {});
var input = board.create('input', [-4, 7, 'sin(x)*x', 'f(x)='], {});
var f = board.jc.snippet(input.Value(), true, 'x', false);
var graph = board.create('functiongraph',[f,
function() {
var c = new JXG.Coords(JXG.COORDS_BY_SCREEN,[0,0],board);
return c.usrCoords[1];
},
function() {
var c = new JXG.Coords(JXG.COORDS_BY_SCREEN,[board.canvasWidth,0],board);
return c.usrCoords[1];
}
]);
board.create('text', [1, 6.7, '<button onclick="updateGraph()">Update graph</button>']);
var updateGraph = function() {
graph.Y = board.jc.snippet(input.Value(), true, 'x', false);
graph.updateCurve();
board.update();
}
/* ]]> */
</script>
</body>
</html>
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