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+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Graph2d | Toggle Groups Example</title>
+    <meta content="text/html;charset=utf-8" http-equiv="Content-Type">
+    <meta content="utf-8" http-equiv="encoding">
+  <style type="text/css">
+    body, html {
+      font-family: sans-serif;
+    }
+
+      div.graphs {
+          width:300px;
+          display:inline-block;
+      }
+  </style>
+
+  <script src="../../dist/vis.js"></script>
+  <link href="../../dist/vis.css" rel="stylesheet" type="text/css" />
+<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></head>
+<body>
+<h2>Graph2d | Groups Example</h2>
+<div style="width:700px; font-size:14px; text-align: justify;">
+    This example shows the groups visibility functionality within Graph2d. Groups have their own visibility option. By using this,
+    all graph2d instances using those groups would show or hide that group. If you have multiple instances sharing the same data and groups,
+    you can use the groups.visibility option to set it on an instance level. The graphs below all share the same groups, items and initial options.
+    We then use a setOptions like so:
+
+
+    <pre class="prettyprint lang-js">
+        graph2d1.setOptions({
+            groups:{
+                visibility:{
+                    0:true,               // group id:0 visible
+                    1:false,              // group id:1 hidden
+                    2:false,              // group id:2 hidden
+                    3:false,              // group id:3 hidden
+                    "__ungrouped__":false // default group hidden
+                }
+            }
+        })
+    </pre>
+</div>
+<br />
+
+<div class="graphs" id="visualization1"></div>
+<div class="graphs" id="visualization2"></div>
+<div class="graphs" id="visualization3"></div>
+<div class="graphs" id="visualization4"></div>
+<div class="graphs" id="visualization5"></div>
+<div class="graphs" id="visualization6"></div>
+
+<script type="text/javascript">
+    // create a dataSet with groups
+    var names = ['SquareShaded', 'Bargraph', 'Blank', 'CircleShaded'];
+    var groups = new vis.DataSet();
+        groups.add({
+        id: 0,
+        content: names[0],
+        options: {
+            drawPoints: {
+                style: 'square' // square, circle
+            },
+            shaded: {
+                orientation: 'bottom' // top, bottom
+            }
+        }});
+
+    groups.add({
+        id: 1,
+        content: names[1],
+        options: {
+            style:'bar'
+        }});
+
+    groups.add({
+        id: 2,
+        content: names[2],
+        options: {drawPoints: false}
+    });
+
+    groups.add({
+        id: 3,
+        content: names[3],
+        options: {
+            drawPoints: {
+                style: 'circle' // square, circle
+            },
+            shaded: {
+                orientation: 'top' // top, bottom
+            }
+        }});
+
+  var container = document.getElementById('visualization');
+  var items = [
+    {x: '2014-06-13', y: 60},
+    {x: '2014-06-14', y: 40},
+    {x: '2014-06-15', y: 55},
+    {x: '2014-06-16', y: 40},
+    {x: '2014-06-17', y: 50},
+    {x: '2014-06-13', y: 30, group: 0},
+    {x: '2014-06-14', y: 10, group: 0},
+    {x: '2014-06-15', y: 15, group: 1},
+    {x: '2014-06-16', y: 30, group: 1},
+    {x: '2014-06-17', y: 10, group: 1},
+    {x: '2014-06-18', y: 15, group: 1},
+    {x: '2014-06-19', y: 52, group: 1},
+    {x: '2014-06-20', y: 10, group: 1},
+    {x: '2014-06-21', y: 20, group: 2},
+    {x: '2014-06-22', y: 60, group: 2},
+    {x: '2014-06-23', y: 10, group: 2},
+    {x: '2014-06-24', y: 25, group: 2},
+    {x: '2014-06-25', y: 30, group: 2},
+    {x: '2014-06-26', y: 20, group: 3},
+    {x: '2014-06-27', y: 60, group: 3},
+    {x: '2014-06-28', y: 10, group: 3},
+    {x: '2014-06-29', y: 25, group: 3},
+    {x: '2014-06-30', y: 30, group: 3}
+  ];
+
+  var dataset = new vis.DataSet(items);
+  var options = {
+      defaultGroup: 'ungrouped',
+      legend: false,
+      graphHeight:200,
+      start: '2014-06-10',
+      end: '2014-07-04',
+      showMajorLabels:false,
+      showMinorLabels:false
+  };
+  var graph2d1 = new vis.Graph2d(document.getElementById('visualization1'), dataset, groups, options);
+  var graph2d2 = new vis.Graph2d(document.getElementById('visualization2'), dataset, groups, options);
+  var graph2d3 = new vis.Graph2d(document.getElementById('visualization3'), dataset, groups, options);
+  var graph2d4 = new vis.Graph2d(document.getElementById('visualization4'), dataset, groups, options);
+  var graph2d5 = new vis.Graph2d(document.getElementById('visualization5'), dataset, groups, options);
+  var graph2d6 = new vis.Graph2d(document.getElementById('visualization6'), dataset, groups, options);
+
+  graph2d1.setOptions({groups:{visibility:{0:true, 1:false, 2:false, 3:false, "__ungrouped__":false}}})
+  graph2d2.setOptions({groups:{visibility:{0:false, 1:true, 2:false, 3:false, "__ungrouped__":false}}})
+  graph2d3.setOptions({groups:{visibility:{0:false, 1:false, 2:true, 3:false, "__ungrouped__":false}}})
+  graph2d4.setOptions({groups:{visibility:{0:false, 1:false, 2:false, 3:true, "__ungrouped__":false}}})
+  graph2d5.setOptions({groups:{visibility:{0:false, 1:false, 2:false, 3:false, "__ungrouped__":true}}})
+</script>
+</body>
+</html>
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