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114 lines
3.6 KiB
114 lines
3.6 KiB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<title>Graph 3D tooltips</title>
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<style>
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body {font: 10pt arial;}
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</style>
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<script type="text/javascript" src="http://www.google.com/jsapi"></script>
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<script type="text/javascript" src="../graph3d.js"></script>
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<script type="text/javascript">
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var data = null;
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var graph = null;
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google.load("visualization", "1");
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// Set callback to run when API is loaded
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google.setOnLoadCallback(drawVisualization);
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function custom(x, y) {
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return (-Math.sin(x/Math.PI) * Math.cos(y/Math.PI) * 10 + 10);
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}
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// Called when the Visualization API is loaded.
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function drawVisualization() {
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var style = document.getElementById("style").value;
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var withValue = ['bar-color', 'bar-size', 'dot-size', 'dot-color'].indexOf(style) != -1;
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// Create and populate a data table.
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data = new google.visualization.DataTable();
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data.addColumn('number', 'x');
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data.addColumn('number', 'y');
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data.addColumn('number', 'z');
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if (withValue) data.addColumn('number', 'value');
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// create some nice looking data with sin/cos
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var steps = 5; // number of datapoints will be steps*steps
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var axisMax = 10;
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var axisStep = axisMax / steps;
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for (var x = 0; x <= axisMax; x+=axisStep) {
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for (var y = 0; y <= axisMax; y+=axisStep) {
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var z = custom(x,y);
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var values = [x, y, z];
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if (withValue) {
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var value = (y - x);
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values.push(value);
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}
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data.addRow(values);
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}
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}
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// specify options
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var options = {
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width: "600px",
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height: "600px",
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style: style,
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showPerspective: true,
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showGrid: true,
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showShadow: false,
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// Option tooltip can be true, false, or a function returning a string with HTML contents
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//tooltip: true,
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tooltip: function (point) {
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// parameter point contains properties x, y, z
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return 'value: <b>' + point.z + '</b>';
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},
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keepAspectRatio: true,
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verticalRatio: 0.5
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};
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var camera = graph ? graph.getCameraPosition() : null;
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// Instantiate our graph object.
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graph = new links.Graph3d(document.getElementById('mygraph'));
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// Draw our graph with the created data and options
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graph.draw(data, options);
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if (camera) graph.setCameraPosition(camera); // restore camera position
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document.getElementById("style").onchange = drawVisualization;
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}
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</script>
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</head>
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<body>
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<p>
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<label for="style"> Style:
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<select id="style">
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<option value="bar">bar</option>
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<option value="bar-color">bar-color</option>
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<option value="bar-size">bar-size</option>
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<option value="dot">dot</option>
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<option value="dot-line">dot-line</option>
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<option value="dot-color">dot-color</option>
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<option value="dot-size">dot-size</option>
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<option value="grid">grid</option>
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<option value="line">line</option>
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<option value="surface">surface</option>
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</select>
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</label>
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</p>
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<div id="mygraph"></div>
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<div id="info"></div>
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</body>
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</html>
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