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- <a href="https://github.com/almende/vis" class="hidden-xs hidden-sm hidden-md"><img
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- src="https://camo.githubusercontent.com/38ef81f8aca64bb9a64448d0d70f1308ef5341ab/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f6461726b626c75655f3132313632312e706e67"
- alt="Fork me on GitHub"
- data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png"></a>
-
- <div class="container full">
- <h1>Network</h1>
-
- <p>Network is a visualization to display networks and networks consisting of nodes and edges. The visualization
- is easy to use and supports custom shapes, styles, colors, sizes, images, and more.
-
- The network visualization works smooth on any modern browser for up to a few thousand nodes and edges. To
- handle a larger amount of nodes, Network has clustering support. Network uses HTML canvas for rendering.</p>
-
- <p>As of 4.0, the network consists of individual modules which handle specific parts of the network. These modules
- have their own docs, options, methods and events which you can access
- by clicking on the modules in the list below.</p>
-
- <a class="btn btn-primary" role="button" onclick="toggleGettingStarted(this)">Show the getting started!</a>
- <div id="gettingStarted" class="hidden">
- <h3>Creating a Network</h3>
-
- <p>
- Creating a vis network is easy. <a href="http://visjs.org/#download_install" target="_blank">It requires you to
- include the vis.js and css files which you can get here</a>. If you have these
- added to your application, you will need to specify your nodes and edges. You can use DOT language or export
- nodes and edges from Gephi if you'd like but we will do it without these for now.
- For more information on this click the tabs below. You can also use the vis.DataSets for dynamic data binding,
- for instance, changing the color, label or any option after you have initialized the network.
- <br><br>
- Once you have the data, all you need is a container div to tell vis where to put your network. Additionally you
- can use an options object to customize many aspects of the network. In code this
- looks like this:</p>
-
- <pre class="prettyprint lang-html options">
- <html>
- <head>
- <script type="text/javascript" src="../../dist/vis.js"></script>
- <link href="../../dist/vis.css" rel="stylesheet" type="text/css" />
-
- <style type="text/css">
- #mynetwork {
- width: 600px;
- height: 400px;
- border: 1px solid lightgray;
- }
- </style>
- </head>
- <body>
- <div id="mynetwork"></div>
-
- <script type="text/javascript">
- // create an array with nodes
- var nodes = new vis.DataSet([
- {id: 1, label: 'Node 1'},
- {id: 2, label: 'Node 2'},
- {id: 3, label: 'Node 3'},
- {id: 4, label: 'Node 4'},
- {id: 5, label: 'Node 5'}
- ]);
-
- // create an array with edges
- var edges = new vis.DataSet([
- {from: 1, to: 3},
- {from: 1, to: 2},
- {from: 2, to: 4},
- {from: 2, to: 5}
- ]);
-
- // create a network
- var container = document.getElementById('mynetwork');
-
- // provide the data in the vis format
- var data = {
- nodes: nodes,
- edges: edges
- };
- var options = {};
-
- // initialize your network!
- var network = new vis.Network(container, data, options);
- </script>
- </body>
- </html>
- </pre>
- <p><a href="http://visjs.org/examples/network/01_basic_usage.html" target="_blank">The result of the code above will be the basic example which is shown here.</a></p>
-
- <br>
- </div>
-
- <h3>Modules</h3>
- <table class="moduleTable">
- <tr>
- <td width="120px"><a href="./configure.html">configure</a></td>
- <td>Generates an interactive option editor with filtering.</td>
- </tr>
- <tr>
- <td><a href="./edges.html">edges</a></td>
- <td>Handles the creation and deletion of edges and contains the global edge options and styles.</td>
- </tr>
- <tr>
- <td><a href="./groups.html">groups</a></td>
- <td>Contains the groups and some options on how to handle nodes with non-existing groups.</td>
- </tr>
- <tr>
- <td><a href="./interaction.html">interaction</a></td>
- <td>Used for all user interaction with the network. Handles mouse and touch events and selection as well as
- the navigation
- buttons and the popups.
- </td>
- </tr>
- <tr>
- <td><a href="./layout.html">layout</a></td>
- <td>Governs the initial and hierarchical positioning.</td>
- </tr>
- <tr>
- <td><a href="./manipulation.html">manipulation</a></td>
- <td>Supplies an API and optional GUI to alter the data in the network.</td>
- </tr>
- <tr>
- <td><a href="./nodes.html">nodes</a></td>
- <td>Handles the creation and deletion of nodes and contains the global node options and styles.</td>
- </tr>
- <tr>
- <td><a href="./physics.html">physics</a></td>
- <td>Does all the simulation moving the nodes and edges to their final positions, also governs
- stabilization.
- </td>
- </tr>
-
- </table>
-
- <br>
- <br>
-
- <ul class="nav nav-tabs">
- <li role="presentation" class="active"
- onclick="toggleTab(this);"
- targetNode="optionsDiv"><a>Options</a></li>
- <li role="presentation"
- onclick="toggleTab(this);"
- targetNode="methodsDiv"><a>Methods</a></li>
- <li role="presentation" onclick="toggleTab(this);"
- targetNode="eventsDiv"><a>Events</a></li>
- <li role="presentation"
- onclick="toggleTab(this);"
- targetNode="dotParserDiv"><a>DOT language</a></li>
- <li role="presentation"
- onclick="toggleTab(this);"
- targetNode="gephiDiv"><a>Importing from Gephi</a></li>
- </ul>
- <br>
-
- <div id="optionsDiv">
- <pre class="prettyprint lang-js options">
- var options = {
- autoResize: true,
- height: '100%',
- width: '100%'
- locale: 'en',
- locales: locales,
- clickToUse: false,
- configure: {...}, // defined in the configure module.
- edges: {...}, // defined in the edges module.
- nodes: {...}, // defined in the nodes module.
- groups: {...}, // defined in the groups module.
- layout: {...}, // defined in the layout module.
- interaction: {...}, // defined in the interaction module.
- manipulation: {...}, // defined in the manipulation module.
- physics: {...}, // defined in the physics module.
- }
-
- network.setOptions(options);
- </pre>
- <p>The individual options are explained below. The ones referring to modules are explained in the corresponding
- module.</p>
- <table class="moduleTable">
- <tr class="header">
- <td>name</td>
- <td>type</td>
- <td>default</td>
- <td>description</td>
- </tr>
- <tr>
- <td>autoResize</td>
- <td class="mid">Boolean</td>
- <td class="mid"><code>true</code></td>
- <td>If true, the Network will automatically detect when its container is resized, and redraw itself
- accordingly. If false, the Network can be forced to repaint after its container has been resized
- using the function redraw() and setSize().
- </td>
- </tr>
- <tr>
- <td>width</td>
- <td class="mid">String</td>
- <td class="mid"><code>'100%'</code></td>
- <td>the width of the canvas. Can be in percentages or pixels (ie. <code>'400px'</code>).</td>
- </tr>
- <tr>
- <td>height</td>
- <td class="mid">String</td>
- <td class="mid"><code>'100%'</code></td>
- <td>the height of the canvas. Can be in percentages or pixels (ie. <code>'400px'</code>).</td>
- </tr>
- <tr>
- <td>locale</td>
- <td class="mid">String</td>
- <td class="mid"><code>'en'</code></td>
- <td>Select the locale. By default, the language is English. If you want to use another language, you
- will
- need to define your own locale and refer to it here.
- </td>
- </tr>
- <tr>
- <td>locales</td>
- <td class="mid">Object</td>
- <td class="mid">defaultLocales</td>
- <td>Locales object. By default only <code>'en'</code> and <code>'nl'</code> are supported. Take a look
- at
- the <a href="#locales" data-scroll=""
- data-options="{ "easing": "easeInCubic" }">locales
- section below</a> for more explaination on how to customize this.
- </td>
- </tr>
- <tr>
- <td>clickToUse</td>
- <td class="mid">Boolean</td>
- <td class="mid">false</td>
- <td>Locales object. By default only <code>'en'</code> and <code>'nl'</code> are supported. Take a look
- at
- the <a href="#locales" data-scroll=""
- data-options="{ "easing": "easeInCubic" }">locales
- section below</a> for more explaination on how to customize this.
- </td>
- </tr>
- </table>
-
- <br>
- <br>
- <h4 id="locales">Custom locales</h4>
-
- <p>The locales object has the following format:</p>
- <pre class="prettyprint lang-js">
- var locales = {
- en: {
- edit: 'Edit',
- del: 'Delete selected',
- back: 'Back',
- addNode: 'Add Node',
- addEdge: 'Add Edge',
- editNode: 'Edit Node',
- editEdge: 'Edit Edge',
- addDescription: 'Click in an empty space to place a new node.',
- edgeDescription: 'Click on a node and drag the edge to another node to connect them.',
- editEdgeDescription: 'Click on the control points and drag them to a node to connect to it.',
- createEdgeError: 'Cannot link edges to a cluster.',
- deleteClusterError: 'Clusters cannot be deleted.',
- editClusterError: 'Clusters cannot be edited.'
- }
- }</pre>
- <p>If you want to define your own locale, you can change the key ('en' here) and change all the string. You can
- then use your new key in the locale option.</p>
- </div>
- <div id="methodsDiv" class=" hidden">
- <h3>All Methods</h3>
-
- <p>This is a list of all the methods in the public API. They have been grouped by category, which correspond to
- the
- modules listed above.</p>
- <table class="moduleTable" id="methodTable">
- <tr class="subHeader">
- <td colspan="2">Global methods for the network.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','destroy', this);">
- <td colspan="2"><span parent="destroy" class="right-caret"></span> destroy()</td>
- </tr>
- <tr class="hidden" parent="destroy">
- <td class="midMethods">Returns: none</td>
- <td>Remove the network from the DOM and remove all Hammer bindings and references.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','setData', this);">
- <td colspan="2"><span parent="setData" class="right-caret"></span> setData({<code><i>nodes: vis
- DataSet/Array</i></code>,<code><i>edges: vis
- DataSet/Array</i></code>})
- </td>
- </tr>
- <tr class="hidden" parent="setData">
- <td class="midMethods">Returns: none</td>
- <td>Override all the data in the network. If stabilization is enabled in the <a href="physics.html">physics
- module</a>, the network will stabilize again. This method is also performed when first initializing
- the
- network.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','setOptions', this);">
- <td colspan="2"><span parent="setOptions" class="right-caret"></span> setOptions(<code>Object
- options</code>)
- </td>
- </tr>
- <tr class="hidden" parent="setOptions">
- <td class="midMethods">Returns: none</td>
- <td>Set the options. All available options can be found in the modules above. Each module requires it's
- own
- container with the module name to contain its options.
- </td>
- </tr>
-
-
- <tr class="subHeader">
- <td colspan="2">Methods related to the canvas.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','canvasToDOM', this);">
- <td colspan="2"><span parent="canvasToDOM" class="right-caret"></span> canvasToDOM({<code><i>x:
- Number</i></code>,<code><i>y:
- Number</i></code>})
- </td>
- </tr>
- <tr class="hidden" parent="canvasToDOM">
- <td class="midMethods">Returns: Object</td>
- <td>This function converts canvas coordinates to coordinates on the DOM. Input and output are in the
- form of
- <code>{x:Number,y:Number}</code>. The DOM values are relative to the network container.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','DOMtoCanvas', this);">
- <td colspan="2"><span parent="DOMtoCanvas" class="right-caret"></span> DOMtoCanvas({<code><i>x:
- Number</i></code>,<code><i>y:
- Number</i></code>})
- </td>
- </tr>
- <tr class="hidden" parent="DOMtoCanvas">
- <td class="midMethods">Returns: Object</td>
- <td>This function converts DOM coordinates to coordinates on the canvas. Input and output are in the
- form of
- <code>{x:Number,y:Number}</code>. The DOM values are relative to the network container.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','redraw', this);">
- <td colspan="2"><span parent="redraw" class="right-caret"></span> redraw()</td>
- </tr>
- <tr class="hidden" parent="redraw">
- <td class="midMethods">Returns: none</td>
- <td>Redraw the network.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','setSize', this);">
- <td colspan="2"><span parent="setSize" class="right-caret"></span> setSize(<code><i>String
- width</i></code>,<code><i>String
- height</i></code>)
- </td>
- </tr>
- <tr class="hidden" parent="setSize">
- <td class="midMethods">Returns: none</td>
- <td>Set the size of the canvas. This is automatically done on a window resize.</td>
- </tr>
-
- <tr class="subHeader">
- <td colspan="2">Clustering</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','cluster', this);">
- <td colspan="2"><span parent="cluster" class="right-caret"></span> cluster(
- <code>Object options</code>)
- </td>
- </tr>
- <tr class="hidden" parent="cluster">
- <td class="midMethods">Returns: none</td>
- <td>The options object is explained in full <a data-scroll=""
- data-options="{ "easing": "easeInCubic" }"
- href="#optionsObject">below</a>. The joinCondition
- function
- is presented with all nodes.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','clusterByConnection', this);">
- <td colspan="2"><span parent="clusterByConnection" class="right-caret"></span> clusterByConnection(
- <code>String nodeId</code>,
- <code>[Object options]</code>
- )
- </td>
- </tr>
- <tr class="hidden" parent="clusterByConnection">
- <td class="midMethods">Returns: none</td>
- <td>This method looks at the provided node and makes a cluster of it and all it's connected nodes. The
- behaviour can be customized by proving the options object. All options of this object are explained
- <a
- data-scroll="" data-options="{ "easing": "easeInCubic" }"
- href="#optionsObject">below</a>. The joinCondition is only presented with the connected
- nodes.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','clusterByHubsize', this);">
- <td colspan="2"><span parent="clusterByHubsize" class="right-caret"></span> clusterByHubsize(
- <code>Number hubsize</code>,
- <code>[Object options]</code>)
- </td>
- </tr>
- <tr class="hidden" parent="clusterByHubsize">
- <td class="midMethods">Returns: none</td>
- <td>This method checks all nodes in the network and those with a equal or higher amount of edges than
- specified with the <code>hubsize</code> qualify. Cluster by connection is performed on each of them.
- The
- options object is described for <code>clusterByConnection</code> and does the same here.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','clusterOutliers', this);">
- <td colspan="2"><span parent="clusterOutliers" class="right-caret"></span> clusterOutliers(
- <code>[Object options]</code>)
- </tr>
- <tr class="hidden" parent="clusterOutliers">
- <td class="midMethods">Returns: none</td>
- <td>This method will cluster all nodes with 1 edge with their respective connected node.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','findNode', this);">
- <td colspan="2"><span parent="findNode" class="right-caret"></span> findNode(
- <code>String nodeId</code>)
- </tr>
- <tr class="hidden" parent="findNode">
- <td class="midMethods">Returns: Array</td>
- <td>Nodes can be in clusters. Clusters can also be in clusters. This function returns and array of
- nodeIds
- showing where the node is. <br><br> Example:
- cluster 'A' contains cluster 'B',
- cluster 'B' contains cluster 'C',
- cluster 'C' contains node 'fred'.
- <code>network.clustering.findNode('fred')</code> will return <code>['A','B','C','fred']</code>.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','isCluster', this);">
- <td colspan="2"><span parent="isCluster" class="right-caret"></span> isCluster(
- <code>String nodeId</code>)
- </tr>
- <tr class="hidden" parent="isCluster">
- <td class="midMethods">Returns: Boolean</td>
- <td>Returns true if the node whose ID has been supplied is a cluster.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','openCluster', this);">
- <td colspan="2"><span parent="openCluster" class="right-caret"></span> openCluster(
- <code>String nodeId</code>)
- </tr>
- <tr class="hidden" parent="openCluster">
- <td class="midMethods">Returns: none</td>
- <td>Opens the cluster, releases the contained nodes and edges, removing the cluster node and cluster
- edges.
- </td>
- </tr>
-
- <tr class="subHeader">
- <td colspan="2">Layout</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getSeed', this);">
- <td colspan="2"><span parent="getSeed" class="right-caret"></span> getSeed()</td>
- </tr>
- <tr class="hidden" parent="clusterByHubsize">
- </tr>
- <tr class="hidden" parent="getSeed">
- <td class="midMethods">Returns: Number</td>
- <td>If you like the layout of your network and would like it to start in the same way next time, ask for
- the
- seed using this method and put it in the <code>layout.randomSeed</code> option.
- </td>
- </tr>
-
-
- <tr class="subHeader">
- <td colspan="2">Manipulation methods to use the manipulation system without GUI.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','enableEditMode', this);">
- <td colspan="2"><span parent="enableEditMode" class="right-caret"></span> enableEditMode()</td>
- </tr>
- <tr class="hidden" parent="enableEditMode">
- <td class="midMethods">Returns: none</td>
- <td>Programatically enable the edit mode. Similar effect to pressing the edit button.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','disableEditMode', this);">
- <td colspan="2"><span parent="disableEditMode" class="right-caret"></span> disableEditMode()</td>
- </tr>
- <tr class="hidden" parent="disableEditMode">
- <td class="midMethods">Returns: none</td>
- <td>Programatically disable the edit mode. Similar effect to pressing the close icon (small cross in the
- corner of the toolbar).
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','addNodeMode', this);">
- <td colspan="2"><span parent="addNodeMode" class="right-caret"></span> addNodeMode()</td>
- </tr>
- <tr class="hidden" parent="addNodeMode">
- <td class="midMethods">Returns: none</td>
- <td>Go into addNode mode. Having edit mode or manipulation enabled is not required. To get out of this
- mode,
- call <code>disableEditMode()</code>. The callback functions defined in <code>handlerFunctions</code>
- still apply. To use these methods without having the manipulation GUI, make sure you set
- <code>enabled</code> to false.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','editNodeMode', this);">
- <td colspan="2"><span parent="editNodeMode" class="right-caret"></span> editNodeMode()</td>
- </tr>
- <tr class="hidden" parent="editNodeMode">
- <td class="midMethods">Returns: none</td>
- <td>Go into editNode mode. The explaination from <code>addNodeMode</code> applies here as well.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','addEdgeMode', this);">
- <td colspan="2"><span parent="addEdgeMode" class="right-caret"></span> addEdgeMode()</td>
- </tr>
- <tr class="hidden" parent="addEdgeMode">
- <td class="midMethods">Returns: none</td>
- <td>Go into addEdge mode. The explaination from <code>addNodeMode</code> applies here as well.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','editEdgeMode', this);">
- <td colspan="2"><span parent="editEdgeMode" class="right-caret"></span> editEdgeMode()</td>
- </tr>
- <tr class="hidden" parent="editEdgeMode">
- <td class="midMethods">Returns: none</td>
- <td>Go into editEdge mode. The explaination from <code>addNodeMode</code> applies here as well.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','deleteSelected', this);">
- <td colspan="2"><span parent="deleteSelected" class="right-caret"></span> deleteSelected()</td>
- </tr>
- <tr class="hidden" parent="deleteSelected">
- <td class="midMethods">Returns: none</td>
- <td>Delete selected. Having edit mode or manipulation enabled is not required.</td>
- </tr>
-
-
- <tr class="subHeader">
- <td colspan="2">Methods to get information on nodes.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getPositions', this);">
- <td colspan="2"><span parent="getPositions" class="right-caret"></span> getPositions(<code><i>[Array of
- nodeIds]</i></code>)
- </td>
- </tr>
- <tr class="hidden" parent="getPositions">
- <td class="midMethods">Returns: Object</td>
- <td>Returns the x y positions in canvas space of the nodes with the supplied nodeIds as an object:
- <pre class="code">
- {
- nodeId1: {x: xValue, y:yValue},
- nodeId2: {x: xValue, y:yValue},
- ...
- }
- </pre>
- Alternative inputs are a String containing a nodeId or nothing. When a String is supplied, the
- position
- of the node corresponding to the ID is returned. When nothing is supplied, the positions of all
- nodes
- are returned.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','storePositions', this);">
- <td colspan="2"><span parent="storePositions" class="right-caret"></span> storePositions()</td>
- </tr>
- <tr class="hidden" parent="storePositions">
- <td class="midMethods">Returns: none</td>
- <td>When using the vis.DataSet to load your nodes into the network, this method will put the X and Y
- positions of all nodes into that dataset. If you're loading your nodes from a database and have
- this dynamically coupled with
- the DataSet, you can
- use this to stablize your network once, then save the positions in that database through the DataSet
- so
- the next
- time you load the nodes, stabilization will be near instantaneous.
- <br><br>
- If the nodes are still moving and you're using dynamic smooth edges (which is on by default), you
- can
- use the option <code>stabilization.onlyDynamicEdges</code> in the <a href="physics.html">physics
- module</a>
- to improve initialization time.
- <br><br>
- <b>This method does not support clustering. At the moment it is not possible to cache
- positions when using clusters since they cannot be correctly initialized from just the
- positions.</b>
- </td>
-
-
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getBoundingBox', this);">
- <td colspan="2"><span parent="getBoundingBox" class="right-caret"></span> getBoundingBox(<code><i>String
- nodeId</i></code>)
- </td>
- </tr>
- <tr class="hidden" parent="getBoundingBox">
- <td class="midMethods">Returns: Object</td>
- <td> Returns a bounding box for the node including label in the format:
- <pre class="code">
- {
- top: Number,
- left: Number,
- right: Number,
- bottom: Number
- }
- </pre>
- These values are in canvas space.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getConnectedNodes', this);">
- <td colspan="2"><span parent="getConnectedNodes" class="right-caret"></span> getConnectedNodes(<code><i>String
- nodeId</i></code>)
- </td>
- </tr>
- <tr class="hidden" parent="getConnectedNodes">
- <td class="midMethods">Returns: Array</td>
- <td>Returns an array of nodeIds of the all the nodes that are directly connected to this node.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getEdges', this);">
- <td colspan="2"><span parent="getEdges" class="right-caret"></span> getEdges(<code><i>String
- nodeId</i></code>)
- </td>
- </tr>
- <tr class="hidden" parent="getEdges">
- <td class="midMethods">Returns: Array</td>
- <td>Returns an array of edgeIds of the edges connected to this node.</td>
- </tr>
-
-
- <tr class="subHeader">
- <td colspan="2">Physics methods to control when the simulation should run.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','startSimulation', this);">
- <td colspan="2"><span parent="startSimulation" class="right-caret"></span> startSimulation()</td>
- </tr>
- <tr class="hidden" parent="startSimulation">
- <td class="midMethods">Returns: none</td>
- <td>Start the physics simulation. This is normally done whenever needed and is only really useful if you
- stop the simulation yourself and wish to continue it afterwards.
- </td>
- .</td></tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','stopSimulation', this);">
- <td colspan="2"><span parent="stopSimulation" class="right-caret"></span> stopSimulation()</td>
- </tr>
- <tr class="hidden" parent="stopSimulation">
- <td class="midMethods">Returns: none</td>
- <td>This stops the physics simulation and triggers a <code>stabilized</code> event. It can be restarted
- by
- dragging a node, altering the dataset or calling <code>startSimulation()</code>.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','stabilize', this);">
- <td colspan="2"><span parent="stabilize" class="right-caret"></span> stabilize()</td>
- </tr>
- <tr class="hidden" parent="stabilize">
- <td class="midMethods">Returns: none</td>
- <td>You can manually call stabilize at any time. All the stabilization options above are used.</td>
- </tr>
-
-
- <tr class="subHeader">
- <td colspan="2">Selection methods for nodes and edges.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getSelection', this);">
- <td colspan="2"><span parent="getSelection" class="right-caret"></span> getSelection()</td>
- </tr>
- <tr class="hidden" parent="getSelection">
- <td class="midMethods">Returns: Object</td>
- <td>Returns an object with selected nodes and edges ids like this:
- <pre class="code">
- {
- nodes: [Array of selected nodeIds],
- edges: [Array of selected edgeIds]
- }</pre>
- </td>
- </tr>
-
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getSelectedNodes', this);">
- <td colspan="2"><span parent="getSelectedNodes" class="right-caret"></span> getSelectedNodes()</td>
- </tr>
- <tr class="hidden" parent="getSelectedNodes">
- <td class="midMethods">Returns: Array</td>
- <td>Returns an array of selected node ids like so:
- <code>[nodeId1, nodeId2, ..]</code>.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getSelectedEdges', this);">
- <td colspan="2"><span parent="getSelectedEdges" class="right-caret"></span> getSelectedEdges()</td>
- </tr>
- <tr class="hidden" parent="getSelectedEdges">
- <td class="midMethods">Returns: Array</td>
- <td>Returns an array of selected edge ids like so: <code>[edgeId1, edgeId2, ..]</code>.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getNodeAt', this);">
- <td colspan="2"><span parent="getNodeAt" class="right-caret"></span> getNodeAt(<code><i>{x: xPosition
- DOM, y: yPosition DOM}</i></code>)
- </td>
- </tr>
- <tr class="hidden" parent="getNodeAt">
- <td class="midMethods">Returns: String</td>
- <td>Returns a nodeId or undefined. The DOM positions are expected to be in pixels from the top left
- corner
- of the canvas.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getEdgeAt', this);">
- <td colspan="2"><span parent="getEdgeAt" class="right-caret"></span> getEdgeAt(<code><i>{x: xPosition
- DOM, y: yPosition DOM}</i></code>)
- </td>
- </tr>
- <tr class="hidden" parent="getEdgeAt">
- <td class="midMethods">Returns: String</code></td>
- <td>Returns a edgeId or undefined. The DOM positions are expected to be in pixels from the top left
- corner
- of the canvas..
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','selectNodes', this);">
- <td colspan="2"><span parent="selectNodes" class="right-caret"></span> selectNodes(<code><i>Array with
- nodeIds</i></code>,<code><i>[Boolean
- highlightEdges]</i></code>)
- </td>
- </tr>
- <tr class="hidden" parent="selectNodes">
- <td class="midMethods">Returns: none</td>
- <td>Selects the nodes corresponding to the id's in the input array. If highlightEdges is true or
- undefined,
- the neighbouring edges will also be selected. This method unselects all other objects before
- selecting
- its own objects. <i>Does not fire events</i>.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','selectEdges', this);">
- <td colspan="2"><span parent="selectEdges" class="right-caret"></span> selectEdges(<code><i>Array with
- edgeIds</i></code>)
- </td>
- </tr>
- <tr class="hidden" parent="selectEdges">
- <td class="midMethods">Returns: none</td>
- <td>Selects the edges corresponding to the id's in the input array. This method unselects all other
- objects
- before selecting its own objects. <i>Does not fire events</i>.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','unselectAll', this);">
- <td colspan="2"><span parent="unselectAll" class="right-caret"></span> unselectAll()</td>
- </tr>
- <tr class="hidden" parent="unselectAll">
- <td class="midMethods">Returns: none</td>
- <td>Unselect all objects. <i>Does not fire events</i>.</td>
- </tr>
-
-
- <tr class="subHeader">
- <td colspan="2">Methods to control the viewport for zoom and animation.</td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','getScale', this);">
- <td colspan="2"><span parent="getScale" class="right-caret"></span> getScale()</td>
- </tr>
- <tr class="hidden" parent="getScale">
- <td class="midMethods">Returns: Number</td>
- <td>Returns the current scale of the network. 1.0 is comparible to 100%, 0 is zoomed out infinitely.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','clusterByHubsize', this);">
- <td colspan="2"><span parent="clusterByHubsize" class="right-caret"></span> getPosition()</td>
- </tr>
- <tr class="hidden" parent="clusterByHubsize">
- <td class="midMethods">Returns: Number</td>
- <td>Returns the current central focus point of the camera.</td>
- </tr>
-
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','fit', this);">
- <td colspan="2"><span parent="fit" class="right-caret"></span> fit(<code>[Object
- options]</code>)
- </td>
- </tr>
- <tr class="hidden" parent="fit">
- <td class="midMethods">Returns: none</td>
- <td>Zooms out so all nodes fit on the canvas. You can supply options to customize this:
- <pre class="code">
- {
- nodes:[Array of nodeIds],
- animation: { // -------------------> can be a boolean too!
- duration: Number
- easingFunction: String
- }
- }
- </pre>
- The nodes can be used to zoom to fit only specific nodes in the view. <br/><br/>
- The other options are explained in the <code>moveTo()</code> description below.
- All options are optional for the fit method.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','focus', this);">
- <td colspan="2"><span parent="focus" class="right-caret"></span> focus(
- <code>String nodeId</code>,
- <code>[Object options]</code>)
- </td>
- </tr>
- <tr class="hidden" parent="focus">
- <td class="midMethods">Returns: none</td>
- <td>You can focus on a node with this function. What that means is the view will lock onto that node, if
- it
- is moving, the view will also move accordingly. If the view is dragged by the user, the focus is
- broken.
- You can supply options to customize the effect:
- <pre class="code">
- {
- scale: Number,
- offset: {x:Number, y:Number}
- locked: boolean
- animation: { // -------------------> can be a boolean too!
- duration: Number
- easingFunction: String
- }
- }
- </pre>
- All options except for locked are explained in the <code>moveTo()</code> description below. Locked
- denotes whether or not the view remains locked to the node once the zoom-in animation is finished.
- Default value is true. The options object is optional in the focus method.
- </td>
- </tr>
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','moveTo', this);">
- <td colspan="2"><span parent="moveTo" class="right-caret"></span> moveTo(<code>Object
- options</code>)
- </td>
- </tr>
- <tr class="hidden" parent="moveTo">
- <td class="midMethods">Returns: none</td>
- <td>You can animate or move the camera using the moveTo method. Options are:
- <pre class="code">
- {
- position: {x:Number, y:Number},
- scale: Number,
- offset: {x:Number, y:Number}
- animation: { // -------------------> can be a boolean too!
- duration: Number
- easingFunction: String
- }
- }
- </pre>
- The position (in canvas units!) is the position of the central focus point of the camera.
- The scale is the target zoomlevel. Default value is 1.0.
- The offset (in DOM units) is how many pixels from the center the view is focussed. Default value is
- {x:0,y:0}.
- For animation you can either use a Boolean to use it with the default options or disable it or you
- can
- define the duration (in milliseconds) and easing function manually. Available are:
- <code>linear, easeInQuad, easeOutQuad, easeInOutQuad, easeInCubic, easeOutCubic, easeInOutCubic,
- easeInQuart, easeOutQuart, easeInOutQuart, easeInQuint, easeOutQuint, easeInOutQuint</code>.
-
- <i>You will have to define at least a scale or a position. Otherwise, there is nothing to move
- to.</i>
- </td>
- </tr>
-
-
- <tr class="collapsible toggle" onclick="toggleTable('methodTable','releaseNode', this);">
- <td colspan="2"><span parent="releaseNode" class="right-caret"></span> releaseNode()</td>
- </tr>
- <tr class="hidden" parent="releaseNode">
- <td class="midMethods">Returns: none</td>
- <td>Programatically release the focussed node.</td>
- </tr>
-
- </table>
-
- <br>
- <br>
-
- <h4 id="optionsObject">Cluster methods options object</h4>
-
- <p>The options object supplied to the cluster functions can contain these properties:</p>
- <table class="moduleTable">
- <tr class="header">
- <td class="name">name</td>
- <td>Type</td>
- <td>description</td>
- </tr>
- <tr>
- <td>joinCondition(<br> <code>Object nodeOptions</code><br>)</td>
- <td class="midMethods">Function</td>
- <td><i>Optional for all but the cluster method. </i> The cluster module loops over all nodes that are
- selected to be in the cluster and calls this function with their data as argument.
- If this function returns true, this node will be added to the cluster. You have access to all
- options
- (including the default)
- as well as any custom fields you may have added to the node to determine whether or not to include
- it in
- the cluster. Example:
- <pre class="prettyprint lang-js">
- var nodes = [
- {id: 4, label: 'Node 4'},
- {id: 5, label: 'Node 5'},
- {id: 6, label: 'Node 6', cid:1},
- {id: 7, label: 'Node 7', cid:1}
- ]
-
- var options = {
- joinCondition:function(nodeOptions) {
- return nodeOptions.cid === 1;
- }
- }
-
- network.clustering.cluster(options);
- </pre>
- </td>
- </tr>
- <tr>
- <td>processProperties(<br> <code>Object nodeOptions</code><br>)</td>
- <td class="midMethods">Function</td>
- <td><i>Optional. </i> Before creating the new cluster node, this (optional) function will be called with
- the
- properties supplied by you (<code>clusterNodeProperties</code>), all contained nodes and all
- contained
- edges. You can use this to update the
- properties of the cluster based on which items it contains. The function should return the
- properties to
- create the cluster node. In the example below, we ensure preservation of mass and value when forming
- the
- cluster:
- <pre class="prettyprint lang-js">
- var options = {
- processProperties: function (clusterOptions, childNodes, childEdges) {
- var totalMass = 0;
- var totalValue = 0;
- for (var i = 0; i < childNodes.length; i++) {
- totalMass += childNodes[i].mass;
- totalValue = childNodes[i].value ? totalValue + childNodes[i].value : totalValue;
- }
- clusterOptions.mass = totalMass;
- if (totalValue > 0) {
- clusterOptions.value = totalValue;
- }
- return clusterOptions;
- },
- }
- </pre>
- </td>
- </tr>
- <tr>
- <td>clusterNodeProperties</td>
- <td class="midMethods">Object</td>
- <td><i>Optional. </i> This is an object containing the options for the cluster node. All options
- described
- in the <a href="./nodes.html">nodes module</a> are allowed. This allows you to style your cluster
- node
- any way you want. This is also the style object that is provided in the processProperties function
- for
- fine tuning. If undefined, default node options will be used.
- </td>
- </tr>
- <tr>
- <td>clusterEdgeProperties</td>
- <td class="midMethods">Object</td>
- <td><i>Optional. </i> This is an object containing the options for the edges connected to the cluster.
- All
- options described in the <a href="./edges.html">edges module</a> are allowed. Using this, you can
- style
- the edges connecting to the cluster any way you want. If none are provided, the optoins from the
- edges
- that are replaced are used. If undefined, default edge options will be used.
- </td>
- </tr>
-
- </table>
- </div>
- <div id="eventsDiv" class=" hidden">
- <h3>All Events</h3>
-
- <p>This is a list of all the events in the public API. They are collected here from all individual modules.</p>
-
- <p>These events are fired by the interaction module. They are related to user input.</p>
- <table class="moduleTable">
- <tr class="header">
- <td class="eventName">name</td>
- <td class="eventProperties">properties</td>
- <td>description</td>
- </tr>
- <tr class="subHeader">
- <td colspan="3">Events triggered by human interaction, selection, dragging etc.</td>
- </tr>
- <tr class="">
- <td>click</td>
- <td class="mid">
- <pre class="code">
- {
- nodes: [Array of selected nodeIds],
- edges: [Array of selected edgeIds],
- event: [Object] original click event,
- pointer: {
- DOM: {x:pointer_x, y:pointer_y},
- canvas: {x:canvas_x, y:canvas_y}
- }
- }
- </pre>
- </td>
- <td>Fired when the user clicks the mouse or taps on a touchscreen device.</td>
- </tr>
- <tr class="">
- <td>doubleClick</td>
- <td class="mid">same as <code>click</code>.</td>
- <td>Fired when the user double clicks the mouse or double taps on a touchscreen device. Since a double
- click
- is in fact 2 clicks, 2 click events are fired, followed by a double click event. If you do not want
- to
- use the click events if a double click event is fired, just check the time between click events
- before
- processing them.
- </td>
- </tr>
- <tr class="">
- <td>oncontext</td>
- <td class="mid">same as <code>click</code>.</td>
- <td>Fired when the user click on the canvas with the right mouse button. The right mouse button does not
- select by default. You can use <a href="./selection.html">getNodeAt</a> to select the node if you
- want.
- </td>
- </tr>
- <tr class="">
- <td>hold</td>
- <td class="mid">same as <code>click</code>.</td>
- <td>Fired when the user clicks and holds the mouse or taps and holds on a touchscreen device. A click
- event
- is also fired in this case.
- </td>
- </tr>
- <tr class="">
- <td>release</td>
- <td class="mid">same as <code>click</code>.</td>
- <td>Fired after drawing on the canvas has been completed. Can be used to draw on top of the network.
- </td>
- </tr>
- <tr class="">
- <td>select</td>
- <td class="mid">same as <code>click</code>.</td>
- <td>Fired when the selection has changed by user action. This means a node or edge has been selected,
- added
- to the selection or deselected. <b>All select events are only triggered on click and hold</b>.
- </td>
- </tr>
- <tr class="">
- <td>selectNode</td>
- <td class="mid">same as <code>click</code>.</td>
- <td>Fired when a node has been selected by the user.</td>
- </tr>
- <tr class="">
- <td>selectEdge</td>
- <td class="mid">same as <code>click</code>.</td>
- <td>Fired when a edge has been selected by the user.</td>
- </tr>
- <tr class="">
- <td>deselectNode</td>
- <td class="mid"><pre class="code">
- {
- nodes: [Array of selected nodeIds],
- edges: [Array of selected edgeIds],
- event: [Object] original click event,
- pointer: {
- DOM: {x:pointer_x, y:pointer_y},
- canvas: {x:canvas_x, y:canvas_y}
- }
- },
- previousSelection: {
- nodes: [Array of previously selected nodeIds],
- edges: [Array of previously selected edgeIds]
- }
- }
- </pre>
- </td>
- <td>Fired when a node (or nodes) has (or have) been deselected by the user. The previous selection is
- the
- list of nodes and edges that were selected before the last user event.
- </td>
- </tr>
- <tr class="">
- <td>deselectEdge</td>
- <td class="mid">same as <code>deselectNode</code>.</td>
- <td>Fired when a edge (or edges) has (or have) been deselected by the user. The previous selection is
- the
- list of nodes and edges that were selected before the last user event.
- </td>
- </tr>
- <tr class="">
- <td>dragStart</td>
- <td class="mid">same as <code>click</code>.</td>
- <td>Fired when starting a drag.</td>
- </tr>
- <tr class="">
- <td>dragging</td>
- <td class="mid">same as <code>click</code>.</td>
- <td>Fired when dragging node(s) or the view.</td>
- </tr>
- <tr class="">
- <td>dragEnd</td>
- <td class="mid">same as <code>click</code>.</td>
- <td>Fired when the drag has finished.</td>
- </tr>
- <tr class="">
- <td>zoom</td>
- <td class="mid"><code>{direction:'+'/'-'}</code></td>
- <td>Fired when the user zooms in or out. The properties tell you which direction the zoom is in.</td>
- </tr>
- <tr class="">
- <td>showPopup</td>
- <td class="mid"><code>id of item corresponding to popup</code></td>
- <td>Fired when the popup is shown.</td>
- </tr>
- <tr class="">
- <td>hidePopup</td>
- <td class="mid">none</td>
- <td>Fired when the popup is hidden.</td>
- </tr>
- <tr class="subHeader ">
- <td colspan="3">Events triggered the physics simulation. Can be used to trigger GUI updates.</td>
- </tr>
- <tr class="">
- <td>startStabilizing</td>
- <td class="mid">none</td>
- <td>Fired when stabilization starts. This is also the case when you drag a node and the physics
- simulation
- restarts to stabilize again. Stabilization does not neccesarily imply 'without showing'.
- </td>
- <tr class="">
- <td>stabilizationProgress</td>
- <td class="mid">
- <pre class="code">
- {
- iterations: Number // iterations so far,
- total: Number // total iterations in options
- }
- </pre>
- </td>
- <td>Fired when a multiple of the <code>updateInterval</code> number of iterations is reached. This only
- occurs in the 'hidden' stabilization.
- </td>
- </tr>
- <tr class="">
- <td>stabilizationIterationsDone</td>
- <td class="mid">none</td>
- <td>Fired when the 'hidden' stabilization finishes. This does not necessarily mean the network is
- stabilized; it could also mean that the amount of iterations defined in the options has been
- reached.
- </td>
- <tr class="">
- <td>stabilized</td>
- <td class="mid">
- <pre class="code">
- {
- iterations: Number // iterations it took
- }
- </pre>
- </td>
- <td>Fired when the network has stabilized or when the <code>stopSimulation()</code> has been called. The
- amount of iterations it took could be used to tweak the maximum amount of iterations needed to
- stabilize
- the network.
- </td>
- <tr class="subHeader">
- <td colspan="3">Event triggered by the canvas.</td>
- </tr>
- <tr class="">
- <td>resize</td>
- <td class="mid">
- <pre class="code">
- {
- width: Number // the new width of the canvas
- height: Number // the new height of the canvas
- oldWidth: Number // the old width of the canvas
- oldHeight: Number // the old height of the canvas
- }
- </pre>
- <ul>
- </ul>
- </td>
- <td>Fired when the size of the canvas has been resized, either by a redraw call when the container div
- has
- changed in size, a setSize() call with new values or a setOptions() with new width and/or height
- values.
- </td>
-
- </tr>
- <tr class="subHeader ">
- <td colspan="3">Events triggered by the rendering module. Can be used to draw custom elements on the
- canvas.
- </td>
- </tr>
- <tr class="">
- <td>initRedraw</td>
- <td class="mid">none</td>
- <td>Fired before the redrawing begins. The simulation step has completed at this point. Can be used to
- move
- custom elements before starting drawing the new frame.
- </td>
- <tr class="">
- <td>beforeDrawing</td>
- <td class="mid"><code>canvas context</code></td>
- <td>Fired after the canvas has been cleared, scaled and translated to the viewing position but before
- all
- edges and nodes are drawn. Can be used to draw behind the network.
- </td>
- <tr class="">
- <td>afterDrawing</td>
- <td class="mid"><code>canvas context</code></td>
- <td>Fired after drawing on the canvas has been completed. Can be used to draw on top of the network.
- </td>
- </tr>
- <tr class="subHeader">
- <td colspan="3">Event triggered by the view module.</td>
- </tr>
- <tr class="">
- <td>animationFinished</td>
- <td class="mid">none</td>
- <td>Fired when an animation is finished.</td>
- </table>
-
- </div>
- <div id="dotParserDiv" class=" hidden">
- <p>
- Network supports data in the
- <a href="http://en.wikipedia.org/wiki/DOT_language" target="_blank">DOT language</a>.
- To use data in the DOT language, you can use the vis.network.convertDot converter to transform the DOT
- language
- into a vis.Network compatible nodes, edges and options objects. You can extend the options object with other
- options if you'd like.
- </p>
-
- <p>
- Example usage:
- </p>
-
- <pre class="prettyprint lang-js">
- // provide data in the DOT language
- var DOTstring = 'dinetwork {1 -> 1 -> 2; 2 -> 3; 2 -- 4; 2 -> 1 }';
- var parsedData = vis.network.convertDot(DOTstring);
-
- var data = {
- nodes: parsedData.nodes,
- edges: parsedData.edges
- }
-
- var options = parsedData.options;
-
- // you can extend the options like a normal JSON variable:
- options.nodes = {
- color: 'red'
- }
-
- // create a network
- var network = new vis.Network(container, data, options);
- </pre>
- </div>
- <div id="gephiDiv" class=" hidden">
- <p>
- Network can import data straight from an exported json file from gephi. You can get the JSON exporter here:
- <a href="https://marketplace.gephi.org/plugin/json-exporter/" target="_blank">https://marketplace.gephi.org/plugin/json-exporter/</a>.
- An example exists showing how to get a JSON file into Vis: <a
- href="../examples/network/30_importing_from_gephi.html">30_importing_from_gephi</a>.
- </p>
-
- <p>
- Example usage:
- </p>
-
- <pre class="prettyprint lang-js">
- // load the JSON file containing the Gephi network.
- var gephiJSON = loadJSON("./data/WorldCup2014.json"); // code in example 30
-
- // you can customize the result like with these options. These are explained below.
- // These are the default options.
- var parserOptions = {
- edges: {
- inheritColors: false
- },
- nodes: {
- fixed: true,
- parseColor: false
- }
- }
-
- // parse the gephi file to receive an object
- // containing nodes and edges in vis format.
- var parsed = vis.network.convertGephi(gephiJSON, parserOptions);
-
- // provide data in the normal fashion
- var data = {
- nodes: parsed.nodes,
- edged: parsed.edges
- };
-
- // create a network
- var network = new vis.Network(container, data);
- </pre>
-
- <br>
- <h4>Gephi parser options</h4>
-
- There are a few options you can use to tell Vis what to do with the data from Gephi.
- <table class="moduleTable">
- <tr class="header">
- <td>name</td>
- <td>type</td>
- <td>default</td>
- <td>description</td>
- </tr>
- <tr>
- <td>nodes.fixed</td>
- <td class="mid">Boolean</td>
- <td class="mid"><code>true</code></td>
- <td>When false, the nodes will move according to the physics model after import. If true, the nodes do
- not move at all. If set to true, the node positions have to be defined to avoid infinite recursion
- errors in the physics.
- </td>
- </tr>
- <tr>
- <td>nodes.parseColor</td>
- <td class="mid">Boolean</td>
- <td class="mid"><code>false</code></td>
- <td>If true, the color will be parsed by the vis parser, generating extra colors for the borders,
- highlighs and hover. If false, the node will be the supplied color.
- </td>
- </tr>
- <tr>
- <td>edges.inheritColor</td>
- <td class="mid">Boolean</td>
- <td class="mid"><code>false</code></td>
- <td>When true, the color supplied by gephi is ignored and the inherit color mode is used with the global
- setting.
- </td>
- </tr>
-
- </table>
- </div>
-
- <br>
- <br>
- <br>
- <br>
- <br>
- <br>
- <br>
- <br>
- <br>
- <br>
- </div>
-
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