<html>
<header>
    <script type="text/javascript" src="graph1-js/raphael-min.js"></script>
    <script type="text/javascript" src="graph1-js/graffle.js"></script>
    <script type="text/javascript" src="graph1-js/graph.js"></script>
    <script type="text/javascript">
        var redraw;
        var height = 600;
        var width = 800;

        /* only do all this when document has finished loading (needed for RaphaelJS */
        window.onload = function() {
            var g = new Graph();

            g.addEdge("n1", "n2");
            g.addEdge("n1", "n3");
            g.addEdge("n1", "n4");
            g.addEdge("n2", "n3");
            g.addEdge("n4", "n3");

            /* layout the graph using the Spring layout implementation */
            var layouter = new Graph.Layout.Spring(g);
            layouter.layout();

            /* draw the graph using the RaphaelJS draw implementation */
            var renderer = new Graph.Renderer.Raphael('canvas', g, width, height);
            renderer.draw();

            redraw = function() {
            layouter.layout();
            renderer.draw();
            };
        };
    </script>
</header>
<body>
<div id="canvas"></div>
<button id="redraw" onclick="redraw();">redraw</button>
</body>
</html>


Collaborative Calculation and Data Science

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