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