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