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- <!doctype html>
- <html>
- <head>
- <title>Graph | Really Random nodes</title>
-
- <style type="text/css">
- body {
- font: 10pt sans;
- }
- #mygraph {
- width: 600px;
- height: 600px;
- border: 1px solid lightgray;
- }
- </style>
-
- <script type="text/javascript" src="../../dist/vis.js"></script>
-
- <script type="text/javascript">
- var nodes = null;
- var edges = null;
- var graph = null;
-
- function draw() {
- nodes = [];
- edges = [];
- // randomly create some nodes and edges
- var nodeCount = parseInt(document.getElementById('nodeCount').value);
-
- for (var i = 0; i < nodeCount; i++) {
- nodes.push({
- id: i,
- label: String(i)
- });
- }
- for (var i = 0; i < nodeCount; i++) {
- var from = i;
- var to = i;
- to = i;
- while (to == i) {
- to = Math.floor(Math.random() * (nodeCount+1));
- }
- edges.push({
- from: from,
- to: to
- });
- }
- /*
- // Loop:
- for (var i = 0; i < 5; i++) {
- nodes.push({
- id: i,
- label: String(i)
- });
- }
- edges.push({
- from: 1,
- to: 0
- });
- edges.push({
- from: 1,
- to: 2
- });
- edges.push({
- from: 4,
- to: 0
- });
- edges.push({
- from: 2,
- to: 3
- });
- edges.push({
- from: 3,
- to: 4
- });
- */
-
- // create a graph
- var container = document.getElementById('mygraph');
- var data = {
- nodes: nodes,
- edges: edges
- };
- var options = {
- edges: {
- length: 80
- },
- stabilize: false
- };
- graph = new vis.Graph(container, data, options);
-
- // add event listeners
- vis.events.addListener(graph, 'select', function(params) {
- document.getElementById('selection').innerHTML =
- 'Selection: ' + graph.getSelection();
- });
- }
- </script>
- </head>
-
- <body onload="draw();">
-
- <form onsubmit="draw(); return false;">
- <label for="nodeCount">Number of nodes:</label>
- <input id="nodeCount" type="text" value="25" style="width: 50px;">
- <input type="submit" value="Go">
- </form>
- <br>
-
- <div id="mygraph"></div>
-
- <p id="selection"></p>
- </body>
- </html>
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