File: semicircle.html

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jsxgraph 1.10.1%2Bdfsg1-1
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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>
   <script type="text/javascript" src="../src/CanvasRenderer.js"></script>
</head>
<body>
<h2>Semicircles and Circumcircle Arcs/Sectors</h2>
<div id="jxgbox" class="jxgbox" style="width:600px; height:450px; "></div>
<div id="debug" style="display:block;"></div>
<script type="text/javascript">
/* <![CDATA[ */
    (function(){
        var board = JXG.JSXGraph.initBoard('jxgbox', {grid:true, originX: 250, originY: 300, unitX: 50, unitY: 50});

        var p1 = board.create('point', [0, 0], {name:"A"});
        var p2 = board.create('point', [0, 4], {name:"B"});
        var p3 = board.create('point', [4, 0], {name:"C"});
        var p4 = board.create('point', [2, 2], {name:"D"});

        var t = board.create('semicircle',[p2,p3]);
        var u = board.create('semicircle',[p4,p3]);
        var v = board.create('semicircle',[p4,p1]);

        var p6 = board.create('point', [0, 0], {name:"F"});
        var p7 = board.create('point', [-2, 1], {name:"G"});
        var p8 = board.create('point', [0, 2], {name:"H"});
        var u = board.create('circumcirclesector',[p8, p7, p6], {fillColor:'#ffaa0080'});   // RGBA color
        var w = board.create('circumcirclearc',[p1,p8,p4]);

    })();
/* ]]> */
</script>
</body>
</html>