<!DOCTYPE HTML>
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								<html>
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								<head>
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								    <script 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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								        .graph {
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								            width: 100%;
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								            height: 600px;
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								        }  </style>
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								</head>
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								<body>
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								VIEWPORT ISSUES WHEN REPLACING NODES
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								<pre>
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								Once the first graph is displayed
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								1. move the viewport (not the nodes)
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								2. zoom out
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								3. press the "fit" button (which used to be zoomExtent) - works fine!
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								Now 
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								1. click the "click me" button (at the very bottom below navigation buttons)
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								2. the datasets will be cleared and a second graph will be displayed
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								3. Maybe wait a few seconds before the stabilization event is fired and the graph is fit again (actually this step is not necessary)
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								4. press the "click me button again to switch to the first graph
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								5. try to fit the graph by pressing the "fit" button (which used to be zoomExtent)
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								6. Neither does it correctly centerize nor is it zoomed (streched) correctly!
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								</pre>
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								<div class="graph" id="visualization1"></div>
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								<button onclick="javascript:action()">Click me</button>
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								<script type="text/javascript">
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								    // @Alex @Jos THIS IS ONLY DATA - SCCCCCCCCCCCRRROOLLLLLLLLLLLL DOWN
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								    var graph1 = {
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								        "nodes": [
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								            {
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								                "color": "#c79df1",
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						|
								                "label": "Compose ballad",
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						|
								                "title": "Compose ballad",
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						|
								                "font": {
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						|
								                    "color": "#000000"
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						|
								                },
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						|
								                "group": "matches",
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								                "id": "7BEF6C80-B285-48B3-9736-F0845E612A4F",
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								                "x": -346,
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								                "y": 26,
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								                "fixed": {
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								                    "x": true,
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								                    "y": true
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						|
								                }
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						|
								            },
							 | 
						|
								            {
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						|
								                "color": "#e2e3ab",
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						|
								                "label": "Get the Ring",
							 | 
						|
								                "title": "Get the Ring",
							 | 
						|
								                "font": {
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						|
								                    "color": "#000000"
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						|
								                },
							 | 
						|
								                "group": "matches",
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								                "id": "E255F767-A447-46D7-865C-494C782FC034",
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								                "x": -120,
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								                "y": -31,
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						|
								                "fixed": {
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						|
								                    "x": true,
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						|
								                    "y": true
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						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#7fedb3",
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						|
								                "label": "Go to Mordor",
							 | 
						|
								                "title": "Go to Mordor",
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						|
								                "font": {
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						|
								                    "color": "#000000"
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						|
								                },
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								                "group": "matches",
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								                "id": "7E692850-2846-41ED-8E7D-F58E7F39680D",
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								                "x": -776,
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								                "y": -32,
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								                "fixed": {
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						|
								                    "x": true,
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						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
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						|
								                "color": "#dd9c9c",
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						|
								                "label": "Kill the Dragon",
							 | 
						|
								                "title": "Kill the Dragon",
							 | 
						|
								                "font": {
							 | 
						|
								                    "color": "#000000"
							 | 
						|
								                },
							 | 
						|
								                "group": "matches",
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						|
								                "id": "51CB2809-A6E9-46A7-AFEA-42DEF2228C59",
							 | 
						|
								                "x": -559,
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								                "y": 102,
							 | 
						|
								                "fixed": {
							 | 
						|
								                    "x": true,
							 | 
						|
								                    "y": true
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						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#a6b8e3",
							 | 
						|
								                "label": "Make the beds",
							 | 
						|
								                "title": "Make the beds",
							 | 
						|
								                "font": {
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						|
								                    "color": "#000000"
							 | 
						|
								                },
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "F37FE14F-DBCB-40A5-8055-F4020FFB37BB",
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						|
								                "x": -130,
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								                "y": 156,
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								                "fixed": {
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								                    "x": true,
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								                    "y": true
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						|
								                }
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								            }
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								        ],
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								        "edges": [
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								            {
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								                "id": "6A5795CA-2B17-4133-AB83-E63563935A7B",
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						|
								                "from": "7BEF6C80-B285-48B3-9736-F0845E612A4F",
							 | 
						|
								                "to": "E255F767-A447-46D7-865C-494C782FC034",
							 | 
						|
								                "type": "maybe also",
							 | 
						|
								                "label": "maybe also",
							 | 
						|
								                "color": "red",
							 | 
						|
								                "style": "dash-line"
							 | 
						|
								            },
							 | 
						|
								            {
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								                "id": "91DD50F4-BA3A-43CD-A27C-5FE3C8C676A3",
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								                "from": "7BEF6C80-B285-48B3-9736-F0845E612A4F",
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						|
								                "to": "F37FE14F-DBCB-40A5-8055-F4020FFB37BB",
							 | 
						|
								                "type": "then",
							 | 
						|
								                "label": "then",
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						|
								                "color": "slateGray",
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						|
								                "labelAlignment": "line-above"
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						|
								            },
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								            {
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								                "id": "3128CD68-781A-4942-A2EB-FB6AFF0BBEC1",
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						|
								                "from": "7E692850-2846-41ED-8E7D-F58E7F39680D",
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						|
								                "to": "51CB2809-A6E9-46A7-AFEA-42DEF2228C59",
							 | 
						|
								                "type": "then",
							 | 
						|
								                "label": "then",
							 | 
						|
								                "color": "slateGray",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
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						|
								                "id": "3C620D0A-3A27-41EF-AE3B-A66F5833F63F",
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						|
								                "from": "51CB2809-A6E9-46A7-AFEA-42DEF2228C59",
							 | 
						|
								                "to": "7BEF6C80-B285-48B3-9736-F0845E612A4F",
							 | 
						|
								                "type": "then",
							 | 
						|
								                "label": "then",
							 | 
						|
								                "color": "slateGray",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            }
							 | 
						|
								        ]
							 | 
						|
								    };
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						|
								
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						|
								    graph2 = {
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						|
								        "nodes": [
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						|
								            {
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						|
								                "color": "#97C2FC",
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						|
								                "label": "Adam",
							 | 
						|
								                "title": "Adam",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "35b99ac8-aa07-4834-b508-6e9435f573cb",
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						|
								                "x": -100,
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						|
								                "y": -380,
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						|
								                "fixed": {
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						|
								                    "x": true,
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						|
								                    "y": true
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						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "Betsy",
							 | 
						|
								                "title": "Betsy",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "38d37e10-3c8b-487c-9757-1061d2bbbd07",
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								                "x": -100,
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								                "y": -540,
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								                "fixed": {
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								                    "x": true,
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								                    "y": true
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								                }
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								            },
							 | 
						|
								            {
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						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "Carol",
							 | 
						|
								                "title": "Carol",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "4762501a-6bcb-4d35-acfd-f2e9d6310389",
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								                "x": -230,
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								                "y": -380,
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								                "fixed": {
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						|
								                    "x": true,
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						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "Catherine",
							 | 
						|
								                "title": "Catherine",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "7e17b617-b7a4-4f70-937b-f45ec8dc0a9d",
							 | 
						|
								                "x": -520,
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						|
								                "y": -210,
							 | 
						|
								                "fixed": {
							 | 
						|
								                    "x": true,
							 | 
						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "Craig",
							 | 
						|
								                "title": "Craig",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "e017a09b-4526-4b4d-b097-f70e56f20ab4",
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						|
								                "x": 130,
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						|
								                "y": -380,
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						|
								                "fixed": {
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						|
								                    "x": true,
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						|
								                    "y": true
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						|
								                }
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						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "George",
							 | 
						|
								                "title": "George",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "8ec7f3ee-35f9-4c56-a57b-12d91c0c372e",
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						|
								                "x": -360,
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						|
								                "y": -540,
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						|
								                "fixed": {
							 | 
						|
								                    "x": true,
							 | 
						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "Jessica",
							 | 
						|
								                "title": "Jessica",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "8d2a0469-bb6a-4e40-ab1f-3d5edc620415",
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						|
								                "x": 20,
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						|
								                "y": -380,
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						|
								                "fixed": {
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						|
								                    "x": true,
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						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "John",
							 | 
						|
								                "title": "John",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "afd75e95-e45a-4dea-848a-e16ca735bc57",
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						|
								                "x": -490,
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						|
								                "y": -540,
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						|
								                "fixed": {
							 | 
						|
								                    "x": true,
							 | 
						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "Mary",
							 | 
						|
								                "title": "Mary",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "9c050064-d805-48b3-80a6-181d3599daff",
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						|
								                "x": -280,
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						|
								                "y": -210,
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						|
								                "fixed": {
							 | 
						|
								                    "x": true,
							 | 
						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "Michael",
							 | 
						|
								                "title": "Michael",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "f24ab062-62a1-4555-a57f-dfcd597c3515",
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						|
								                "x": -30,
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						|
								                "y": -210,
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						|
								                "fixed": {
							 | 
						|
								                    "x": true,
							 | 
						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "Michelle",
							 | 
						|
								                "title": "Michelle",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "59d10b18-1c9e-4dcb-ba4f-988ebd7a3efb",
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						|
								                "x": -610,
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						|
								                "y": -380,
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						|
								                "fixed": {
							 | 
						|
								                    "x": true,
							 | 
						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "Robert",
							 | 
						|
								                "title": "Robert",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "b11149a2-9050-4632-b095-d9d233319b91",
							 | 
						|
								                "x": -360,
							 | 
						|
								                "y": -380,
							 | 
						|
								                "fixed": {
							 | 
						|
								                    "x": true,
							 | 
						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "color": "#97C2FC",
							 | 
						|
								                "label": "Sharon",
							 | 
						|
								                "title": "Sharon",
							 | 
						|
								                "group": "matches",
							 | 
						|
								                "id": "a1485262-99fe-4b1e-a246-cc70fbb1859a",
							 | 
						|
								                "x": -490,
							 | 
						|
								                "y": -380,
							 | 
						|
								                "fixed": {
							 | 
						|
								                    "x": true,
							 | 
						|
								                    "y": true
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								        ],
							 | 
						|
								        "edges": [
							 | 
						|
								            {
							 | 
						|
								                "id": "62b28c2f-c6dc-4b6b-b108-722eb47d5972",
							 | 
						|
								                "from": "35b99ac8-aa07-4834-b508-6e9435f573cb",
							 | 
						|
								                "to": "f24ab062-62a1-4555-a57f-dfcd597c3515",
							 | 
						|
								                "type": "family:father of",
							 | 
						|
								                "label": "father of",
							 | 
						|
								                "color": "#bc960d",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "4ae8de41-ef1a-400a-b51b-05662ce24597",
							 | 
						|
								                "from": "38d37e10-3c8b-487c-9757-1061d2bbbd07",
							 | 
						|
								                "to": "e017a09b-4526-4b4d-b097-f70e56f20ab4",
							 | 
						|
								                "type": "family:mother of",
							 | 
						|
								                "label": "mother of",
							 | 
						|
								                "color": "#eec75b",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "70f6e36a-ce9a-47b4-97e1-14b2df17d204",
							 | 
						|
								                "from": "38d37e10-3c8b-487c-9757-1061d2bbbd07",
							 | 
						|
								                "to": "8d2a0469-bb6a-4e40-ab1f-3d5edc620415",
							 | 
						|
								                "type": "family:mother of",
							 | 
						|
								                "label": "mother of",
							 | 
						|
								                "color": "#eec75b",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "c32a86ce-ab9a-49b6-a202-e93a37265fda",
							 | 
						|
								                "from": "38d37e10-3c8b-487c-9757-1061d2bbbd07",
							 | 
						|
								                "to": "b11149a2-9050-4632-b095-d9d233319b91",
							 | 
						|
								                "type": "family:mother of",
							 | 
						|
								                "label": "mother of",
							 | 
						|
								                "color": "#eec75b",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "bbce9cc0-0353-45cd-bfa6-a13834ff7218",
							 | 
						|
								                "from": "4762501a-6bcb-4d35-acfd-f2e9d6310389",
							 | 
						|
								                "to": "f24ab062-62a1-4555-a57f-dfcd597c3515",
							 | 
						|
								                "type": "family:mother of",
							 | 
						|
								                "label": "mother of",
							 | 
						|
								                "color": "#eec75b",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "deb7eb05-f667-496b-aeda-205c37b2484b",
							 | 
						|
								                "from": "8ec7f3ee-35f9-4c56-a57b-12d91c0c372e",
							 | 
						|
								                "to": "afd75e95-e45a-4dea-848a-e16ca735bc57",
							 | 
						|
								                "type": "family:brother of",
							 | 
						|
								                "label": "brother of",
							 | 
						|
								                "color": "green",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "3c8c7947-6c82-4f98-978a-26bbb372bfbb",
							 | 
						|
								                "from": "afd75e95-e45a-4dea-848a-e16ca735bc57",
							 | 
						|
								                "to": "a1485262-99fe-4b1e-a246-cc70fbb1859a",
							 | 
						|
								                "type": "family:father of",
							 | 
						|
								                "label": "father of",
							 | 
						|
								                "color": "#bc960d",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "cd4e71e7-9735-4a42-8632-e88cc01ab64f",
							 | 
						|
								                "from": "f24ab062-62a1-4555-a57f-dfcd597c3515",
							 | 
						|
								                "to": "9c050064-d805-48b3-80a6-181d3599daff",
							 | 
						|
								                "type": "family:brother of",
							 | 
						|
								                "label": "brother of",
							 | 
						|
								                "color": "green",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "b4499f60-04f9-4306-9c57-3d73b72f37c0",
							 | 
						|
								                "from": "59d10b18-1c9e-4dcb-ba4f-988ebd7a3efb",
							 | 
						|
								                "to": "7e17b617-b7a4-4f70-937b-f45ec8dc0a9d",
							 | 
						|
								                "type": "family:mother of",
							 | 
						|
								                "label": "mother of",
							 | 
						|
								                "color": "#eec75b",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "16562853-b597-44f6-9c55-2ce8a1fe4f83",
							 | 
						|
								                "from": "b11149a2-9050-4632-b095-d9d233319b91",
							 | 
						|
								                "to": "7e17b617-b7a4-4f70-937b-f45ec8dc0a9d",
							 | 
						|
								                "type": "family:father of",
							 | 
						|
								                "label": "father of",
							 | 
						|
								                "color": "#bc960d",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "599dd644-e61f-401e-8b17-dfdd340c125e",
							 | 
						|
								                "from": "b11149a2-9050-4632-b095-d9d233319b91",
							 | 
						|
								                "to": "9c050064-d805-48b3-80a6-181d3599daff",
							 | 
						|
								                "type": "family:father of",
							 | 
						|
								                "label": "father of",
							 | 
						|
								                "color": "#bc960d",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            },
							 | 
						|
								            {
							 | 
						|
								                "id": "961f7f2b-5abe-4036-a155-aa9b30ae1260",
							 | 
						|
								                "from": "b11149a2-9050-4632-b095-d9d233319b91",
							 | 
						|
								                "to": "a1485262-99fe-4b1e-a246-cc70fbb1859a",
							 | 
						|
								                "type": "family:married to",
							 | 
						|
								                "label": "married to",
							 | 
						|
								                "color": "#17bba3",
							 | 
						|
								                "labelAlignment": "line-above"
							 | 
						|
								            }
							 | 
						|
								        ]
							 | 
						|
								    };
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								    // OK, OK ENOUGH SCROLLING
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								    // HERE IS THE ACTUAL CODE
							 | 
						|
								
							 | 
						|
								    var isGraph1Active = true;
							 | 
						|
								    var action = function() {
							 | 
						|
								
							 | 
						|
								        // switch graphs
							 | 
						|
								
							 | 
						|
								        var graph = isGraph1Active ? graph2 : graph1;
							 | 
						|
								        isGraph1Active = !isGraph1Active;
							 | 
						|
								
							 | 
						|
								        updateGraph(graph.nodes, graph.edges, options);
							 | 
						|
								
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    var data = {
							 | 
						|
								        nodes: new vis.DataSet(),
							 | 
						|
								        edges: new vis.DataSet()
							 | 
						|
								    };
							 | 
						|
								
							 | 
						|
								    var options = {
							 | 
						|
								        "autoResize": true,
							 | 
						|
								        "height": "100%",
							 | 
						|
								        "width": "100%",
							 | 
						|
								        "interaction": {
							 | 
						|
								            "dragNodes":true,
							 | 
						|
								            "dragView": true,
							 | 
						|
								            "hideEdgesOnDrag": false,
							 | 
						|
								            "hideNodesOnDrag": false,
							 | 
						|
								            "hover": false,
							 | 
						|
								            "navigationButtons": true,
							 | 
						|
								            "selectable": true,
							 | 
						|
								            "selectConnectedEdges": true,
							 | 
						|
								            "tooltipDelay": 300,
							 | 
						|
								            "zoomView": true
							 | 
						|
								
							 | 
						|
								        },
							 | 
						|
								        "nodes": {
							 | 
						|
								            "shape": "box",
							 | 
						|
								            "color": {
							 | 
						|
								                "border" : "#2B7CE9",
							 | 
						|
								                "background" : "#97C2FC",
							 | 
						|
								                "highlight": {
							 | 
						|
								                    "border": "#2B7CE9",
							 | 
						|
								                    "background": "#D2E5FF"
							 | 
						|
								                },
							 | 
						|
								                "hover": {
							 | 
						|
								                    "border": "white",
							 | 
						|
								                    "background": "white"
							 | 
						|
								                }
							 | 
						|
								            }
							 | 
						|
								        },
							 | 
						|
								        "physics": {
							 | 
						|
								            "barnesHut": {
							 | 
						|
								                "centralGravity": 0,
							 | 
						|
								                "springLength": 240
							 | 
						|
								            }
							 | 
						|
								        },
							 | 
						|
								
							 | 
						|
								    };
							 | 
						|
								
							 | 
						|
								    var container = document.getElementById("visualization1");
							 | 
						|
								
							 | 
						|
								    var network = new vis.Network(container, data, options);
							 | 
						|
								
							 | 
						|
								    var hasNetworkStabilized = false;
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								    var updateGraph = function(nodes, edges, options) {
							 | 
						|
								
							 | 
						|
								        // clear before redrawing a completely different graph
							 | 
						|
								        data.nodes.clear();
							 | 
						|
								        data.edges.clear();
							 | 
						|
								
							 | 
						|
								        // update options for new graph
							 | 
						|
								        this.network.setOptions(options);
							 | 
						|
								
							 | 
						|
								        // allow stabilization again
							 | 
						|
								        hasNetworkStabilized = false;
							 | 
						|
								
							 | 
						|
								        // update data
							 | 
						|
								        data.nodes.update(nodes);
							 | 
						|
								        data.edges.update(edges);
							 | 
						|
								        network.fit()
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								    // RUNTIME
							 | 
						|
								
							 | 
						|
								    updateGraph(graph1.nodes, graph1.edges, options);
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								</script>
							 | 
						|
								</body>
							 | 
						|
								</html>
							 |