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79 lines
2.2 KiB
79 lines
2.2 KiB
<!doctype html>
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<html>
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<head>
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<title>Network | Basic usage</title>
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<script type="text/javascript" src="../../../../dist/vis.js"></script>
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<link href="../../../../dist/vis.css" rel="stylesheet" type="text/css" />
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<style type="text/css">
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#mynetwork {
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width: 600px;
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height: 400px;
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border: 1px solid lightgray;
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}
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</style>
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</head>
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<body>
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<p>
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Create a simple network with some nodes and edges.
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</p>
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<input type="button" onclick="addNode()" value="add node dynamically">
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<input type="button" onclick="changeNode1()" value="change node 1's color dynamically">
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<input type="button" onclick="removeRandomNode()" value="remove a random Node">
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<div id="mynetwork"></div>
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<script type="text/javascript">
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// this list is kept to remove a random node.. we do not add node 1 here because it's used for changes
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var nodeIds = [2,3,4,5];
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// create an array with nodes
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var nodes = new vis.DataSet([
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{id: 1, label: 'Node 1'},
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{id: 2, label: 'Node 2'},
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{id: 3, label: 'Node 3'},
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{id: 4, label: 'Node 4'},
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{id: 5, label: 'Node 5'}
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]);
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// create an array with edges
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var edges = new vis.DataSet([
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{from: 1, to: 3},
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{from: 1, to: 2},
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{from: 2, to: 4},
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{from: 2, to: 5}
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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 = {
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nodes: nodes,
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edges: edges
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};
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var options = {};
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var network = new vis.Network(container, data, options);
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function addNode() {
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var newId = (Math.random() * 1e7).toString(32);
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nodes.add({id:newId, label:"I'm new!"});
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nodeIds.push(newId);
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}
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function changeNode1() {
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var newColor = '#' + Math.floor((Math.random() * 255 * 255 * 255)).toString(16);
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nodes.update([{id:1, color:{background:newColor}}]);
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}
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function removeRandomNode() {
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var randomNodeId = nodeIds[Math.floor(Math.random() * nodeIds.length)];
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nodes.remove({id:randomNodeId});
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var index = nodeIds.indexOf(randomNodeId);
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nodeIds.splice(index,1);
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}
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</script>
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<script src="../../../googleAnalytics.js"></script>
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</body>
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</html>
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