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120 lines
3.7 KiB
120 lines
3.7 KiB
<!doctype html>
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<html>
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<head>
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<title>Network | Static smooth curves</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: 500px;
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height: 500px;
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border: 1px solid lightgray;
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}
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</style>
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<script src="../../../googleAnalytics.js"></script>
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</head>
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<body>
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<h2>Smooth curves</h2>
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<div style="width:700px; font-size:14px; text-align: justify;">
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All the smooth curves in the examples so far have been using dynamic smooth curves. This means that each curve has a
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support node which takes part in the physics simulation. For large networks or dense clusters, this may not be the ideal
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solution. To solve this, static smooth curves have been added. The static smooth curves are based only on the positions of the connected
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nodes. There are multiple ways to determine the way this curve is drawn. This example shows the effect of the different
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types. <br /> <br />
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Drag the node around to see how the smooth curves are drawn for each setting. For animated system, we
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recommend only the continuous mode. In the next example you can see the effect of these methods on a large network. Keep in mind
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that the direction (the from and to) of the curve matters.
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<br /> <br />
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When you select the dynamic type, you can see the interaction with the fixed node and the edge, any other type will not interact with other nodes.
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<br /> <br />
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</div>
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<p>
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Smooth curve type:
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<select id="dropdownID" onchange="update();">
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<option value="continuous" selected="selected">continuous</option>
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<option value="discrete">discrete</option>
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<option value="diagonalCross">diagonalCross</option>
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<option value="straightCross">straightCross</option>
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<option value="horizontal">horizontal</option>
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<option value="vertical">vertical</option>
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<option value="curvedCW">curvedCW</option>
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<option value="curvedCCW">curvedCCW</option>
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<option value="dynamic">dynamic</option>
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<option value="none">none</option>
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</select>
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</p>
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<p>
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Roundness (0..1): <input type="range" min="0" max="1" value="0.5" step="0.05" style="width:200px" id="roundnessSlider" onchange="update();"> <input id="roundnessScreen" style="width:30px;" value="0.5"> <br>(0.5 is max roundness for continuous, 1.0 for the others)
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</p>
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<div id="mynetwork"></div>
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<script type="text/javascript">
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var dropdown = document.getElementById("dropdownID");
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var roundnessSlider = document.getElementById("roundnessSlider");
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var roundnessScreen = document.getElementById("roundnessScreen");
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// create an array with nodes
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var nodes = [
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{id: 1, label: 'Fixed node', x:0, y:0, fixed:true},
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{id: 2, label: 'Drag me', x:150, y:130, physics:false},
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{id: 3, label: 'Obstacle', x:80, y:-80, fixed:true, mass:5}
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];
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// create an array with edges
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var edges = [
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{from: 1, to: 2, arrows:'to'}
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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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physics:true,
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edges: {
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smooth: {
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type: 'continuous'
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}
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}
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};
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var network = new vis.Network(container, data, options);
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function update() {
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var type = dropdown.value;
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var options;
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var roundness = parseFloat(roundnessSlider.value);
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roundnessScreen.value = roundness;
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if (type === 'none') {
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options = {
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edges: {
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smooth: false
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}
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};
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}
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else {
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options = {
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edges: {
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smooth: {
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type: type,
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roundness: roundness
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}
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}
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};
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}
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network.setOptions(options);
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}
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update();
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</script>
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</body>
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</html>
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