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