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91 lines
2.6 KiB
91 lines
2.6 KiB
<!doctype html>
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<html>
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<head>
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<title>Network | Random nodes</title>
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<style type="text/css">
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body {
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font: 10pt sans;
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}
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#mynetwork {
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width: 600px;
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height: 600px;
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border: 1px solid lightgray;
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}
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#message {
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color:darkred;
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max-width:600px;
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font-size:16px;
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cursor:pointer;
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text-decoration: underline;
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}
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</style>
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<script type="text/javascript" src="../exampleUtil.js"></script>
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<script type="text/javascript" src="../../../dist/vis.js"></script>
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<link href="../../../dist/vis-network.min.css" rel="stylesheet" type="text/css" />
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<script type="text/javascript">
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var nodes = null;
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var edges = null;
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var network = null;
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var setSmooth = false;
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function destroy() {
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if (network !== null) {
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network.destroy();
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network = null;
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}
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}
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function draw() {
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destroy();
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var nodeCount = document.getElementById('nodeCount').value;
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if (nodeCount > 100) {
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document.getElementById("message").innerHTML = '<a onclick="disableSmoothCurves()">You may want to disable dynamic smooth curves for better performance with a large amount of nodes and edges. Click here to disable them.</a>';
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}
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else if (setSmooth === false) {
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document.getElementById("message").innerHTML = '';
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}
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// create a network
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var container = document.getElementById('mynetwork');
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var data = getScaleFreeNetwork(nodeCount);
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var options = {
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physics: { stabilization: false }
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};
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network = new vis.Network(container, data, options);
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}
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function disableSmoothCurves() {
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setSmooth = true;
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network.setOptions({edges:{smooth:{type:'continuous'}}});
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document.getElementById("message").innerHTML = '<a onclick="enableSmoothCurves()">Click here to reenable the dynamic smooth curves.</a>';
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}
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function enableSmoothCurves() {
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setSmooth = false;
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document.getElementById("message").innerHTML = '<a onclick="disableSmoothCurves()">You may want to disable dynamic smooth curves for better performance with a large amount of nodes and edges. Click here to disable them.</a>';
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network.setOptions({edges:{smooth:{type:'dynamic'}}});
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}
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</script>
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</head>
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<body onload="draw();">
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<p>
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Generate a random network with nodes and edges.
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</p>
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<p>
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<form onsubmit="draw(); return false;">
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<label for="nodeCount">Number of nodes:</label>
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<input id="nodeCount" type="text" value="25" style="width: 50px;">
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<input type="button" value="Go" onclick="draw()">
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</form>
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</p>
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<span id="message"></span>
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<div id="mynetwork"></div>
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</body>
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</html>
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