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181 lines
4.8 KiB
181 lines
4.8 KiB
<!doctype html>
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<html>
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<head><script>(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga');ga('create', 'UA-61231638-1', 'auto');ga('send', 'pageview');</script>
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<title>Network | Hierarchical Layout, userDefined</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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</style>
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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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<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 directionInput = document.getElementById("direction");
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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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nodes = [];
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edges = [];
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var connectionCount = [];
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// randomly create some nodes and edges
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for (var i = 0; i < 15; i++) {
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nodes.push({
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id: i,
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label: String(i)
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});
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}
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edges.push({
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from: 0,
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to: 1
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});
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edges.push({
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from: 0,
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to: 6
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});
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edges.push({
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from: 0,
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to: 13
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});edges.push({
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from: 0,
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to: 11
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});
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edges.push({
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from: 1,
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to: 2
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});
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edges.push({
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from: 2,
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to: 3
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});
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edges.push({
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from: 2,
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to: 4
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});
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edges.push({
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from: 3,
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to: 5
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});
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edges.push({
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from: 1,
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to: 10
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});
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edges.push({
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from: 1,
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to: 7
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});
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edges.push({
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from: 2,
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to: 8
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});
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edges.push({
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from: 2,
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to: 9
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});
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edges.push({
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from: 3,
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to: 14
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});
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edges.push({
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from: 1,
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to: 12
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});
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nodes[0]["level"] = 0;
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nodes[1]["level"] = 1;
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nodes[2]["level"] = 3;
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nodes[3]["level"] = 4;
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nodes[4]["level"] = 4;
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nodes[5]["level"] = 5;
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nodes[6]["level"] = 1;
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nodes[7]["level"] = 2;
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nodes[8]["level"] = 4;
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nodes[9]["level"] = 4;
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nodes[10]["level"] = 2;
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nodes[11]["level"] = 1;
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nodes[12]["level"] = 2;
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nodes[13]["level"] = 1;
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nodes[14]["level"] = 5;
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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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hierarchicalLayout: {
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direction: directionInput.value
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}
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};
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network = new vis.Network(container, data, options);
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// add event listeners
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network.on('select', function(params) {
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document.getElementById('selection').innerHTML = 'Selection: ' + params.nodes;
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});
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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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<h2>Hierarchical Layout - User-defined</h2>
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<div style="width:700px; font-size:14px; text-align: justify;">
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This example shows a user-defined hierarchical layout. If the user defines levels for nodes but does not do so for all nodes, an alert will show up and hierarchical layout will be disabled. Either all or none can be defined.
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If the smooth curves appear to be inverted, the direction of the edge is not in the same direction as the network.
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</div>
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<input type="button" id="btn-UD" value="Up-Down">
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<input type="button" id="btn-DU" value="Down-Up">
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<input type="button" id="btn-LR" value="Left-Right">
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<input type="button" id="btn-RL" value="Right-Left">
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<input type="hidden" id='direction' value="UD">
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<br />
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<div id="mynetwork"></div>
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<p id="selection"></p>
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<script language="JavaScript">
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var directionInput = document.getElementById("direction");
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var btnUD = document.getElementById("btn-UD");
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btnUD.onclick = function() {
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directionInput.value = "UD";
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draw();
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}
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var btnDU = document.getElementById("btn-DU");
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btnDU.onclick = function() {
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directionInput.value = "DU";
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draw();
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};
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var btnLR = document.getElementById("btn-LR");
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btnLR.onclick = function() {
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directionInput.value = "LR";
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draw();
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};
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var btnRL = document.getElementById("btn-RL");
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btnRL.onclick = function() {
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directionInput.value = "RL";
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draw();
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};
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</script>
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</body>
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</html>
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