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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>Data from datasource</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 dataSourceUrl = "datasource.php";
- var data = null;
- var graph = null;
- var query = null;
-
- function sendRequest () {
- drawVisualization = function(response) {
- document.getElementById("info").innerHTML = "";
- document.getElementById("getdata").disabled = "";
-
- if (response.isError()) {
- alert('Error: ' + response.getMessage());
- return;
- }
-
- // retrieve the data from the query response
- data = response.getDataTable();
-
- // specify options
- var options = {width: "600px",
- height: "600px",
- style: "surface",
- showPerspective: true,
- showGrid: true,
- showShadow: false,
- keepAspectRatio: true,
- verticalRatio: 0.5
- };
-
- // Instantiate our graph object.
- graph = new links.Graph3d(document.getElementById('mygraph'));
-
- // Draw our graph with the created data and options
- graph.draw(data, options);
- };
-
- // built up the url with parameters
- var url = dataSourceUrl + "?" +
- "xmin=" + document.getElementById("xmin").value + "&" +
- "xmax=" + document.getElementById("xmax").value + "&" +
- "xstepnum=" + document.getElementById("xstepnum").value + "&" +
- "ymin=" + document.getElementById("ymin").value+ "&" +
- "ymax=" + document.getElementById("ymax").value + "&" +
- "ystepnum=" + document.getElementById("ystepnum").value;
-
- document.getElementById("info").innerHTML = "Loading...";
- document.getElementById("getdata").disabled = "disabled";
-
- // send the request
- query && query.abort();
- query = new google.visualization.Query(url);
- query.send(drawVisualization);
- }
-
- google.load("visualization", "1");
-
- // Set callback to run when API is loaded
- google.setOnLoadCallback(sendRequest);
- </script>
- </head>
-
- <body>
- <h1>Data from datasource</h1>
- <p style="font-style:italic;">
- Note: this example works only when running it on a PHP server,
- as the datasource is a php file.
- </p>
-
- <p>
- xmin: <input type="text" value="-100" id="xmin" style="width:50px;">
- xmax: <input type="text" value="300" id="xmax" style="width:50px;">
- steps: <input type="text" value="50" id="xstepnum" style="width:50px;">
- </p>
- <p>
- ymin: <input type="text" value="-100" id="ymin" style="width:50px;">
- ymax: <input type="text" value="100" id="ymax" style="width:50px;">
- steps: <input type="text" value="25" id="ystepnum" style="width:50px;">
- </p>
- <p>
- <input type="button" value="Get Data" id="getdata" onclick="sendRequest();">
- <span id="info"></span>
- </p>
-
- <div id="mygraph"></div>
-
- <div id="info"></div>
- </body>
- </html>
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