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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>GoJS® LayoutVertex Class</title> <script src="../../assets/js/jquery.min.js"></script> <script src="../../assets/js/bootstrap.min.js"></script> <script src="../../assets/js/highlight.js"></script> <script src="../../assets/js/api.js"></script> <script src="../../assets/js/fuse.min.js"></script> <link href="../../assets/css/bootstrap.min.css" rel="stylesheet" >  <link href="../../assets/css/main.css" rel="stylesheet" type="text/css"/> <link href="../../assets/css/api.css" rel="stylesheet" type="text/css"/>  <link rel="stylesheet" href="../../assets/css/highlight.css" type="text/css" media="all" /> </head> <body>  <nav id="non-fixed-nav" class="navbar navbar-inverse navbar-top"> <div class="container-fluid"> <div class="navbar-header"> <div class="navheader-container"> <div class="navheader-collapse" data-toggle="collapse" data-target="#navbar"> <a id="toplogo" 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class="table-cell" id="apisearch" data-base="../"> <div class="title">Search API</div> <div class="field"> <label for="search-field" class="search-icon"></label> <input id="search-field" type="text" /> </div> <ul class="results"> <li class="state loading">Preparing search index...</li> <li class="state failure">The search index is not available</li> </ul> </div> <div class="table-cell" id="apisumm"> <input type="checkbox" id="showsumms" /> <label class="apisumms" for="showsumms">Show Summaries</label> </div> </div> </div>  <div id="header" class="fineprint"> <b>GoJS</b>® Diagramming Components<br/>version 1.8.36 for JavaScript/HTML<br/>by <a href="https://www.nwoods.com/">Northwoods Software®</a> </div>  <h2 class="classTitle"> Class LayoutVertex </h2>  <p class="classsummary"> A vertex represents a <a href="../symbols/Node.html" class="linkConstructor">Node</a> in a <a href="../symbols/LayoutNetwork.html" class="linkConstructor">LayoutNetwork</a>, along with its <a href="../symbols/LayoutVertex.html#bounds" class="linkProperty">bounds</a> and <a href="../symbols/LayoutVertex.html#focus" class="linkProperty">focus</a> and collections of <a href="../symbols/LayoutEdge.html" class="linkConstructor">LayoutEdge</a>s that come into and go out of the vertex. The <a href="../symbols/LayoutVertex.html#node" class="linkProperty">node</a> property may be null for vertexes that represent "dummy" nodes, when the layout wants to work with a network that is not isomorphic with the collection of Nodes and Links being laid out. <p> This holds layout-specific data for the node. For each kind of layout that uses a LayoutNetwork there is a subclass of <a href="../symbols/LayoutVertex.html" class="linkConstructor">LayoutVertex</a> and a subclass of <a href="../symbols/LayoutEdge.html" class="linkConstructor">LayoutEdge</a>: <ul> <li><a href="../symbols/CircularLayout.html" class="linkConstructor">CircularLayout</a>: <a href="../symbols/CircularVertex.html" class="linkConstructor">CircularVertex</a> and <a href="../symbols/CircularEdge.html" class="linkConstructor">CircularEdge</a></li> <li><a href="../symbols/ForceDirectedLayout.html" class="linkConstructor">ForceDirectedLayout</a>: <a href="../symbols/ForceDirectedVertex.html" class="linkConstructor">ForceDirectedVertex</a> and <a href="../symbols/ForceDirectedEdge.html" class="linkConstructor">ForceDirectedEdge</a></li> <li><a href="../symbols/LayeredDigraphLayout.html" class="linkConstructor">LayeredDigraphLayout</a>: <a href="../symbols/LayeredDigraphVertex.html" class="linkConstructor">LayeredDigraphVertex</a> and <a href="../symbols/LayeredDigraphEdge.html" class="linkConstructor">LayeredDigraphEdge</a></li> <li><a href="../symbols/TreeLayout.html" class="linkConstructor">TreeLayout</a>: <a href="../symbols/TreeVertex.html" class="linkConstructor">TreeVertex</a> and <a href="../symbols/TreeEdge.html" class="linkConstructor">TreeEdge</a></li> </ul> <p> Modifying a <a href="../symbols/LayoutNetwork.html" class="linkConstructor">LayoutNetwork</a> or a <a href="../symbols/LayoutVertex.html" class="linkConstructor">LayoutVertex</a> or a <a href="../symbols/LayoutEdge.html" class="linkConstructor">LayoutEdge</a> does not invalidate the <a href="../symbols/Layout.html" class="linkConstructor">Layout</a> or raise any changed events. </p>  <h2 id="constructor" class="summaryCaption"> Constructor <span class="nodetails"> Summary</span><span class="details"> Details</span></h2> <div class="table-responsive"> <table class="summaryTable table table-bordered table-condensed" summary="A summary of the constructor documented in the class LayoutVertex."> <thead> <tr> <th scope="col" class="name">Name</th> <th scope="col" class="description">Description</th> </tr> </thead> <tbody> <tr> <td class="name" > <div class="name"> LayoutVertex() </div> </td> <td class="description"> <div class="description"> <p><p>This constructs a vertex that does not know about any <a href="../symbols/Node.html" class="linkConstructor">Node</a>. </div> </td> </tr> </tbody> </table> </div>  <h2 class="summaryCaption">Properties<span class="nodetails"> Summary</span><span class="details"> Details</span></h2> <div class="table-responsive"> <table class="summaryTable table table-bordered table-condensed" summary="A summary of the properties documented in the class LayoutVertex."> <thead> <tr> <th scope="col" class="name">Name, Value Type</th> <th scope="col" class="description">Description</th> </tr> </thead> <tbody> <tr id="bounds" > <td class="name"> <div class="name"> bounds </div> <div class="attributes"> <span class="light">{<a href="../symbols/Rect.html" class="linkConstructor">Rect</a>}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the bounds of this vertex, in document coordinates.<span class="nodetails" id="xpropbounds"><a class="morelink" onclick="hst('propbounds')">More...</a></span> <span class="details" id="propbounds"> Setting this property does not directly modify the position of any <a href="../symbols/Node.html" class="linkConstructor">Node</a>, but it will modify the value of <a href="../symbols/LayoutVertex.html#centerX" class="linkProperty">centerX</a> and <a href="../symbols/LayoutVertex.html#centerY" class="linkProperty">centerY</a>, as well as the subsidiary convenience properties <a href="../symbols/LayoutVertex.html#x" class="linkProperty">x</a>, <a href="../symbols/LayoutVertex.html#y" class="linkProperty">y</a>, <a href="../symbols/LayoutVertex.html#width" class="linkProperty">width</a>, and <a href="../symbols/LayoutVertex.html#height" class="linkProperty">height</a>.</span> </div> </td> </tr> <tr id="centerX" > <td class="name"> <div class="name"> centerX </div> <div class="attributes"> <span class="light">{number}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the center <a href="../symbols/Point.html#x" class="linkProperty">Point.x</a> of this vertex, in document coordinates.<span class="nodetails" id="xpropcenterX"><a class="morelink" onclick="hst('propcenterX')">More...</a></span> <span class="details" id="propcenterX"> This property depends on both <a href="../symbols/LayoutVertex.html#bounds" class="linkProperty">bounds</a> and <a href="../symbols/LayoutVertex.html#focus" class="linkProperty">focus</a>. Setting this property does not modify the position of any <a href="../symbols/Node.html" class="linkConstructor">Node</a>, but it will modify the value of <a href="../symbols/LayoutVertex.html#bounds" class="linkProperty">bounds</a>.</span> </div> </td> </tr> <tr id="centerY" > <td class="name"> <div class="name"> centerY </div> <div class="attributes"> <span class="light">{number}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the center <a href="../symbols/Point.html#y" class="linkProperty">Point.y</a> of this vertex, in document coordinates.<span class="nodetails" id="xpropcenterY"><a class="morelink" onclick="hst('propcenterY')">More...</a></span> <span class="details" id="propcenterY"> This property depends on both <a href="../symbols/LayoutVertex.html#bounds" class="linkProperty">bounds</a> and <a href="../symbols/LayoutVertex.html#focus" class="linkProperty">focus</a>. Setting this property does not modify the position of any <a href="../symbols/Node.html" class="linkConstructor">Node</a>, but it will modify the value of <a href="../symbols/LayoutVertex.html#bounds" class="linkProperty">bounds</a>.</span> </div> </td> </tr> <tr id="data" > <td class="name"> <div class="name"> data </div> <div class="attributes"> <span class="light">{Object}</span> <span class="since" title="since">1.6</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the data object in the model that should be associated with this vertex, if any.<span class="nodetails" id="xpropdata"><a class="morelink" onclick="hst('propdata')">More...</a></span> <span class="details" id="propdata"> The value will be non-null if this vertex is virtualized, not represented by a real <a href="../symbols/Node.html" class="linkConstructor">Node</a> in the <a href="../symbols/Diagram.html" class="linkConstructor">Diagram</a>. Each data object should have a 'bounds' property that is a <a href="../symbols/Rect.html" class="linkConstructor">Rect</a> or any JavaScript Object with 'x', 'y', 'width', and 'height' properties that are real numbers, and non-negative numbers for the width and the height. Setting this data property will also set the <a href="../symbols/LayoutVertex.html#bounds" class="linkProperty">bounds</a> and <a href="../symbols/LayoutVertex.html#focus" class="linkProperty">focus</a> properties.</span> </div> </td> </tr> <tr id="destinationEdges" > <td class="name"> <div class="name"> destinationEdges </div> <div class="attributes"> <span class="light">{Iterator.<E>}</span> </div> </td> <td class="description"> <div class="description">  <p>This read-only property returns an iterator for all of the edges that go out of this vertex. </div> </td> </tr> <tr id="destinationVertexes" > <td class="name"> <div class="name"> destinationVertexes </div> <div class="attributes"> <span class="light">{Iterator.<V>}</span> </div> </td> <td class="description"> <div class="description">  <p>This read-only property returns an iterator for all of the vertexes that are connected with edges going out of this vertex. </div> </td> </tr> <tr id="edges" > <td class="name"> <div class="name"> edges </div> <div class="attributes"> <span class="light">{Iterator.<E>}</span> </div> </td> <td class="description"> <div class="description">  <p>This read-only property returns an iterator for all of the edges that are connected with this vertex in either direction. </div> </td> </tr> <tr id="edgesCount" > <td class="name"> <div class="name"> edgesCount </div> <div class="attributes"> <span class="light">{number}</span> </div> </td> <td class="description"> <div class="description">  <p>This read-only property returns the total number of edges that are connected with this vertex in either direction. </div> </td> </tr> <tr id="focus" > <td class="name"> <div class="name"> focus </div> <div class="attributes"> <span class="light">{<a href="../symbols/Point.html" class="linkConstructor">Point</a>}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the offset of the <a href="../symbols/LayoutVertex.html#focusX" class="linkProperty">focusX</a> and <a href="../symbols/LayoutVertex.html#focusY" class="linkProperty">focusY</a> from the <a href="../symbols/LayoutVertex.html#bounds" class="linkProperty">bounds</a> position.<span class="nodetails" id="xpropfocus"><a class="morelink" onclick="hst('propfocus')">More...</a></span> <span class="details" id="propfocus"> Setting this property does not directly modify the position of any <a href="../symbols/Node.html" class="linkConstructor">Node</a>, but it does affect the value of <a href="../symbols/LayoutVertex.html#centerX" class="linkProperty">centerX</a> and <a href="../symbols/LayoutVertex.html#centerY" class="linkProperty">centerY</a>. </span><div class="details" id="dpropfocus"><p> The "focus" is normally the center of the Node's <a href="../symbols/Part.html#locationObject" class="linkProperty">Part.locationObject</a>.</div> </div> </td> </tr> <tr id="focusX" > <td class="name"> <div class="name"> focusX </div> <div class="attributes"> <span class="light">{number}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the relative X position of the "center" point, the focus. </div> </td> </tr> <tr id="focusY" > <td class="name"> <div class="name"> focusY </div> <div class="attributes"> <span class="light">{number}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the relative Y position of the "center" point, the focus. </div> </td> </tr> <tr id="height" > <td class="name"> <div class="name"> height </div> <div class="attributes"> <span class="light">{number}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the height of this vertex.<span class="nodetails" id="xpropheight"><a class="morelink" onclick="hst('propheight')">More...</a></span> <span class="details" id="propheight"> This is always the vertical distance reserved for the node.</span> </div> </td> </tr> <tr id="network" > <td class="name"> <div class="name"> network </div> <div class="attributes"> <span class="light">{N}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the <a href="../symbols/LayoutNetwork.html" class="linkConstructor">LayoutNetwork</a> that owns this vertex.<span class="nodetails" id="xpropnetwork"><a class="morelink" onclick="hst('propnetwork')">More...</a></span> <span class="details" id="propnetwork"> The default value is null. It is set automatically for you in <a href="../symbols/LayoutNetwork.html#addVertex" class="linkMethod">LayoutNetwork.addVertex</a>.</span> </div> </td> </tr> <tr id="node" > <td class="name"> <div class="name"> node </div> <div class="attributes"> <span class="light">{<a href="../symbols/Node.html" class="linkConstructor">Node</a>}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the <a href="../symbols/Node.html" class="linkConstructor">Node</a> associated with this vertex, if any.<span class="nodetails" id="xpropnode"><a class="morelink" onclick="hst('propnode')">More...</a></span> <span class="details" id="propnode"> The value may be null if this vertex is a "dummy" vertex, not represented by a real <a href="../symbols/Node.html" class="linkConstructor">Node</a> in the <a href="../symbols/Diagram.html" class="linkConstructor">Diagram</a>. </span><div class="details" id="dpropnode"><p> This property setter also sets the <a href="../symbols/LayoutVertex.html#bounds" class="linkProperty">bounds</a> and <a href="../symbols/LayoutVertex.html#focus" class="linkProperty">focus</a> properties according to the value of the Node's actualBounds and its <a href="../symbols/Part.html#locationObject" class="linkProperty">Part.locationObject</a>'s center point.</div> </div> </td> </tr> <tr id="sourceEdges" > <td class="name"> <div class="name"> sourceEdges </div> <div class="attributes"> <span class="light">{Iterator.<E>}</span> </div> </td> <td class="description"> <div class="description">  <p>This read-only property returns an iterator for all of the edges that come into this vertex. </div> </td> </tr> <tr id="sourceVertexes" > <td class="name"> <div class="name"> sourceVertexes </div> <div class="attributes"> <span class="light">{Iterator.<V>}</span> </div> </td> <td class="description"> <div class="description">  <p>This read-only property returns an iterator for all of the vertexes that are connected with edges coming into this vertex. </div> </td> </tr> <tr id="vertexes" > <td class="name"> <div class="name"> vertexes </div> <div class="attributes"> <span class="light">{Iterator.<V>}</span> </div> </td> <td class="description"> <div class="description">  <p>This read-only property returns an iterator for all of the vertexes that are connected in either direction with this vertex. </div> </td> </tr> <tr id="width" > <td class="name"> <div class="name"> width </div> <div class="attributes"> <span class="light">{number}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the width of this vertex.<span class="nodetails" id="xpropwidth"><a class="morelink" onclick="hst('propwidth')">More...</a></span> <span class="details" id="propwidth"> This is always the horizontal distance reserved for the node.</span> </div> </td> </tr> <tr id="x" > <td class="name"> <div class="name"> x </div> <div class="attributes"> <span class="light">{number}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the left point of this vertex. </div> </td> </tr> <tr id="y" > <td class="name"> <div class="name"> y </div> <div class="attributes"> <span class="light">{number}</span> </div> </td> <td class="description"> <div class="description">  <p>Gets or sets the top point of this vertex. </div> </td> </tr> </tbody> </table> </div>  <h2 class="summaryCaption">Method <span class="nodetails"> Summary</span><span class="details"> Details</span></h2> <div class="table-responsive"> <table class="summaryTable table table-bordered table-condensed" summary="A summary of the methods documented in the class LayoutVertex."> <thead> <tr> <th scope="col" class="name">Name, Return Type</th> <th scope="col" class="description">Description</th> </tr> </thead> <tbody> <tr id="addDestinationEdge"> <td class="name"> <div class="name"> addDestinationEdge(edge) </div> <div class="attributes"> </div> </td> <td class="description"> <div class="description"> <p><p>Adds a <a href="../symbols/LayoutEdge.html" class="linkConstructor">LayoutEdge</a> to the list of successors (the edge will be going out from this vertex).<span class="nodetails" id="xmethaddDestinationEdge"><a class="morelink" onclick="hst('methaddDestinationEdge')">More...</a></span> <span class="details" id="methaddDestinationEdge"> Calling this method does not modify the <a href="../symbols/LayoutEdge.html#fromVertex" class="linkProperty">LayoutEdge.fromVertex</a> of the LayoutEdge.</span> <dl class="detailList"> <dt class="heading">Parameters:</dt> <dt> <span class="light fixedFont">{E}</span> <b>edge</b> </dt> <dd></dd> </dl> </div> </td> </tr> <tr id="addSourceEdge"> <td class="name"> <div class="name"> addSourceEdge(edge) </div> <div class="attributes"> </div> </td> <td class="description"> <div class="description">