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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">com.mxgraph.layout.hierarchical</a></div>
<h2 title="Class mxHierarchicalLayout" class="title">Class mxHierarchicalLayout</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="../mxGraphLayout.html" title="class in com.mxgraph.layout">com.mxgraph.layout.mxGraphLayout</a></li>
<li>
<ul class="inheritance">
<li>com.mxgraph.layout.hierarchical.mxHierarchicalLayout</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="../mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a></code></dd>
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<hr>
<pre>public class <span class="typeNameLabel">mxHierarchicalLayout</span>
extends <a href="../mxGraphLayout.html" title="class in com.mxgraph.layout">mxGraphLayout</a></pre>
<div class="block">The top level compound layout of the hierarchical layout. The individual
elements of the layout are called in sequence.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#disableEdgeStyle">disableEdgeStyle</a></span></code></th>
<td class="colLast">
<div class="block">Specifies if the STYLE_NOEDGESTYLE flag should be set on edges that are
modified by the result.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fineTuning">fineTuning</a></span></code></th>
<td class="colLast">
<div class="block">Whether or not to perform local optimisations and iterate multiple times
through the algorithm</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#interHierarchySpacing">interHierarchySpacing</a></span></code></th>
<td class="colLast">
<div class="block">The spacing buffer between unconnected hierarchies</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#interRankCellSpacing">interRankCellSpacing</a></span></code></th>
<td class="colLast">
<div class="block">The spacing buffer added between cell on adjacent layers</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#intraCellSpacing">intraCellSpacing</a></span></code></th>
<td class="colLast">
<div class="block">The spacing buffer added between cells on the same layer</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="model/mxGraphHierarchyModel.html" title="class in com.mxgraph.layout.hierarchical.model">mxGraphHierarchyModel</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#model">model</a></span></code></th>
<td class="colLast">
<div class="block">The internal model formed of the layout</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#moveParent">moveParent</a></span></code></th>
<td class="colLast">
<div class="block">Specifies if the parnent should be moved if resizeParent is enabled.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#orientation">orientation</a></span></code></th>
<td class="colLast">
<div class="block">The position of the root node(s) relative to the laid out graph in.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parallelEdgeSpacing">parallelEdgeSpacing</a></span></code></th>
<td class="colLast">
<div class="block">The distance between each parallel edge on each ranks for long edges</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parentBorder">parentBorder</a></span></code></th>
<td class="colLast">
<div class="block">The border to be added around the children if the parent is to be
resized using resizeParent.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resizeParent">resizeParent</a></span></code></th>
<td class="colLast">
<div class="block">Specifies if the parent should be resized after the layout so that it
contains all the child cells.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected java.util.List&lt;java.lang.Object&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#roots">roots</a></span></code></th>
<td class="colLast">
<div class="block">The root nodes of the layout</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#traverseAncestors">traverseAncestors</a></span></code></th>
<td class="colLast">
<div class="block">Whether or not to navigate edges whose terminal vertices
have different parents but are in the same ancestry chain</div>
</td>
</tr>
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<h3>Fields inherited from class&nbsp;com.mxgraph.layout.<a href="../mxGraphLayout.html" title="class in com.mxgraph.layout">mxGraphLayout</a></h3>
<code><a href="../mxGraphLayout.html#graph">graph</a>, <a href="../mxGraphLayout.html#parent">parent</a>, <a href="../mxGraphLayout.html#useBoundingBox">useBoundingBox</a></code></li>
</ul>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.mxgraph.view.mxGraph)">mxHierarchicalLayout</a></span>&#8203;(<a href="../../view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph)</code></th>
<td class="colLast">
<div class="block">Constructs a hierarchical layout</div>
</td>
</tr>
<tr class="rowColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.mxgraph.view.mxGraph,int)">mxHierarchicalLayout</a></span>&#8203;(<a href="../../view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph,
int&nbsp;orientation)</code></th>
<td class="colLast">
<div class="block">Constructs a hierarchical layout</div>
</td>
</tr>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#crossingStage(java.lang.Object)">crossingStage</a></span>&#8203;(java.lang.Object&nbsp;parent)</code></th>
<td class="colLast">
<div class="block">Executes the crossing stage using mxMedianHybridCrossingReduction.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cycleStage(java.lang.Object)">cycleStage</a></span>&#8203;(java.lang.Object&nbsp;parent)</code></th>
<td class="colLast">
<div class="block">Executes the cycle stage.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#execute(java.lang.Object)">execute</a></span>&#8203;(java.lang.Object&nbsp;parent)</code></th>
<td class="colLast">
<div class="block">Executes the layout for the children of the specified parent.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#execute(java.lang.Object,java.util.List)">execute</a></span>&#8203;(java.lang.Object&nbsp;parent,
java.util.List&lt;java.lang.Object&gt;&nbsp;roots)</code></th>
<td class="colLast">
<div class="block">Executes the layout for the children of the specified parent.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>java.util.Set&lt;java.lang.Object&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#filterDescendants(java.lang.Object)">filterDescendants</a></span>&#8203;(java.lang.Object&nbsp;cell)</code></th>
<td class="colLast">
<div class="block">Creates a set of descendant cells</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>java.util.List&lt;java.lang.Object&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#findRoots(java.lang.Object,java.util.Set)">findRoots</a></span>&#8203;(java.lang.Object&nbsp;parent,
java.util.Set&lt;java.lang.Object&gt;&nbsp;vertices)</code></th>
<td class="colLast">
<div class="block">Returns all visible children in the given parent which do not have
incoming edges.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEdges(java.lang.Object)">getEdges</a></span>&#8203;(java.lang.Object&nbsp;cell)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getInterHierarchySpacing()">getInterHierarchySpacing</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getInterRankCellSpacing()">getInterRankCellSpacing</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIntraCellSpacing()">getIntraCellSpacing</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="model/mxGraphHierarchyModel.html" title="class in com.mxgraph.layout.hierarchical.model">mxGraphHierarchyModel</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getModel()">getModel</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the model for this layout algorithm.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOrientation()">getOrientation</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParallelEdgeSpacing()">getParallelEdgeSpacing</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParentBorder()">getParentBorder</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns parentBorder.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDisableEdgeStyle()">isDisableEdgeStyle</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isFineTuning()">isFineTuning</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isMoveParent()">isMoveParent</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the moveParent flag.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isResizeParent()">isResizeParent</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the resizeParent flag.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#layeringStage()">layeringStage</a></span>()</code></th>
<td class="colLast">
<div class="block">Implements first stage of a Sugiyama layout.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#placementStage(double,java.lang.Object)">placementStage</a></span>&#8203;(double&nbsp;initialX,
java.lang.Object&nbsp;parent)</code></th>
<td class="colLast">
<div class="block">Executes the placement stage using mxCoordinateAssignment.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#run(java.lang.Object)">run</a></span>&#8203;(java.lang.Object&nbsp;parent)</code></th>
<td class="colLast">
<div class="block">The API method used to exercise the layout upon the graph description
and produce a separate description of the vertex position and edge
routing changes made.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setDisableEdgeStyle(boolean)">setDisableEdgeStyle</a></span>&#8203;(boolean&nbsp;disableEdgeStyle)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setFineTuning(boolean)">setFineTuning</a></span>&#8203;(boolean&nbsp;fineTuning)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setInterHierarchySpacing(double)">setInterHierarchySpacing</a></span>&#8203;(double&nbsp;interHierarchySpacing)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setInterRankCellSpacing(double)">setInterRankCellSpacing</a></span>&#8203;(double&nbsp;interRankCellSpacing)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setIntraCellSpacing(double)">setIntraCellSpacing</a></span>&#8203;(double&nbsp;intraCellSpacing)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setMoveParent(boolean)">setMoveParent</a></span>&#8203;(boolean&nbsp;value)</code></th>
<td class="colLast">
<div class="block">Sets the moveParent flag.</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setOrientation(int)">setOrientation</a></span>&#8203;(int&nbsp;orientation)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setParallelEdgeSpacing(double)">setParallelEdgeSpacing</a></span>&#8203;(double&nbsp;parallelEdgeSpacing)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setParentBorder(int)">setParentBorder</a></span>&#8203;(int&nbsp;value)</code></th>
<td class="colLast">
<div class="block">Sets parentBorder.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setResizeParent(boolean)">setResizeParent</a></span>&#8203;(boolean&nbsp;value)</code></th>
<td class="colLast">
<div class="block">Sets the resizeParent flag.</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns <code>Hierarchical</code>, the name of this algorithm.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#traverse(java.lang.Object,boolean,java.lang.Object,java.util.Set,java.util.Set,java.util.List,java.util.Set)">traverse</a></span>&#8203;(java.lang.Object&nbsp;vertex,
boolean&nbsp;directed,
java.lang.Object&nbsp;edge,
java.util.Set&lt;java.lang.Object&gt;&nbsp;allVertices,
java.util.Set&lt;java.lang.Object&gt;&nbsp;currentComp,
java.util.List&lt;java.util.Set&lt;java.lang.Object&gt;&gt;&nbsp;hierarchyVertices,
java.util.Set&lt;java.lang.Object&gt;&nbsp;filledVertexSet)</code></th>
<td class="colLast">
<div class="block">Traverses the (directed) graph invoking the given function for each
visited vertex and edge.</div>
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<h3>Methods inherited from class&nbsp;com.mxgraph.layout.<a href="../mxGraphLayout.html" title="class in com.mxgraph.layout">mxGraphLayout</a></h3>
<code><a href="../mxGraphLayout.html#arrangeGroups(java.lang.Object%5B%5D,int)">arrangeGroups</a>, <a href="../mxGraphLayout.html#getConstraint(java.lang.Object,java.lang.Object)">getConstraint</a>, <a href="../mxGraphLayout.html#getConstraint(java.lang.Object,java.lang.Object,java.lang.Object,boolean)">getConstraint</a>, <a href="../mxGraphLayout.html#getGraph()">getGraph</a>, <a href="../mxGraphLayout.html#getParentOffset(java.lang.Object)">getParentOffset</a>, <a href="../mxGraphLayout.html#getVertexBounds(java.lang.Object)">getVertexBounds</a>, <a href="../mxGraphLayout.html#isEdgeIgnored(java.lang.Object)">isEdgeIgnored</a>, <a href="../mxGraphLayout.html#isUseBoundingBox()">isUseBoundingBox</a>, <a href="../mxGraphLayout.html#isVertexIgnored(java.lang.Object)">isVertexIgnored</a>, <a href="../mxGraphLayout.html#isVertexMovable(java.lang.Object)">isVertexMovable</a>, <a href="../mxGraphLayout.html#moveCell(java.lang.Object,double,double)">moveCell</a>, <a href="../mxGraphLayout.html#setEdgePoints(java.lang.Object,java.util.List)">setEdgePoints</a>, <a href="../mxGraphLayout.html#setEdgeStyleEnabled(java.lang.Object,boolean)">setEdgeStyleEnabled</a>, <a href="../mxGraphLayout.html#setOrthogonalEdge(java.lang.Object,boolean)">setOrthogonalEdge</a>, <a href="../mxGraphLayout.html#setUseBoundingBox(boolean)">setUseBoundingBox</a>, <a href="../mxGraphLayout.html#setVertexLocation(java.lang.Object,double,double)">setVertexLocation</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
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<h3>Field Detail</h3>
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<h4>roots</h4>
<pre>protected&nbsp;java.util.List&lt;java.lang.Object&gt; roots</pre>
<div class="block">The root nodes of the layout</div>
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<h4>resizeParent</h4>
<pre>protected&nbsp;boolean resizeParent</pre>
<div class="block">Specifies if the parent should be resized after the layout so that it
contains all the child cells. Default is false. @See parentBorder.</div>
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<pre>protected&nbsp;boolean moveParent</pre>
<div class="block">Specifies if the parnent should be moved if resizeParent is enabled.
Default is false. @See resizeParent.</div>
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<pre>protected&nbsp;int parentBorder</pre>
<div class="block">The border to be added around the children if the parent is to be
resized using resizeParent. Default is 0. @See resizeParent.</div>
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<pre>protected&nbsp;double intraCellSpacing</pre>
<div class="block">The spacing buffer added between cells on the same layer</div>
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<pre>protected&nbsp;double interRankCellSpacing</pre>
<div class="block">The spacing buffer added between cell on adjacent layers</div>
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<pre>protected&nbsp;double interHierarchySpacing</pre>
<div class="block">The spacing buffer between unconnected hierarchies</div>
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<pre>protected&nbsp;double parallelEdgeSpacing</pre>
<div class="block">The distance between each parallel edge on each ranks for long edges</div>
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<h4>orientation</h4>
<pre>protected&nbsp;int orientation</pre>
<div class="block">The position of the root node(s) relative to the laid out graph in.
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<pre>protected&nbsp;boolean disableEdgeStyle</pre>
<div class="block">Specifies if the STYLE_NOEDGESTYLE flag should be set on edges that are
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<h4>fineTuning</h4>
<pre>protected&nbsp;boolean fineTuning</pre>
<div class="block">Whether or not to perform local optimisations and iterate multiple times
through the algorithm</div>
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<pre>protected&nbsp;boolean traverseAncestors</pre>
<div class="block">Whether or not to navigate edges whose terminal vertices
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<h4>model</h4>
<pre>protected&nbsp;<a href="model/mxGraphHierarchyModel.html" title="class in com.mxgraph.layout.hierarchical.model">mxGraphHierarchyModel</a> model</pre>
<div class="block">The internal model formed of the layout</div>
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<pre>public&nbsp;mxHierarchicalLayout&#8203;(<a href="../../view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph)</pre>
<div class="block">Constructs a hierarchical layout</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>graph</code> - the graph to lay out</dd>
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int&nbsp;orientation)</pre>
<div class="block">Constructs a hierarchical layout</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>graph</code> - the graph to lay out</dd>
<dd><code>orientation</code> - <code>SwingConstants.NORTH, SwingConstants.EAST, SwingConstants.SOUTH</code> or <code> SwingConstants.WEST</code></dd>
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<pre class="methodSignature">public&nbsp;<a href="model/mxGraphHierarchyModel.html" title="class in com.mxgraph.layout.hierarchical.model">mxGraphHierarchyModel</a>&nbsp;getModel()</pre>
<div class="block">Returns the model for this layout algorithm.</div>
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<pre class="methodSignature">public&nbsp;void&nbsp;execute&#8203;(java.lang.Object&nbsp;parent)</pre>
<div class="block">Executes the layout for the children of the specified parent.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../mxIGraphLayout.html#execute(java.lang.Object)">execute</a></code>&nbsp;in interface&nbsp;<code><a href="../mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a></code></dd>
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<dd><code>parent</code> - Parent cell that contains the children to be laid out.</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;execute&#8203;(java.lang.Object&nbsp;parent,
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<div class="block">Executes the layout for the children of the specified parent.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>parent</code> - Parent cell that contains the children to be laid out.</dd>
<dd><code>roots</code> - the starting roots of the layout</dd>
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<a id="findRoots(java.lang.Object,java.util.Set)">
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<pre class="methodSignature">public&nbsp;java.util.List&lt;java.lang.Object&gt;&nbsp;findRoots&#8203;(java.lang.Object&nbsp;parent,
java.util.Set&lt;java.lang.Object&gt;&nbsp;vertices)</pre>
<div class="block">Returns all visible children in the given parent which do not have
incoming edges. If the result is empty then the children with the
maximum difference between incoming and outgoing edges are returned.
This takes into account edges that are being promoted to the given
root due to invisible children or collapsed cells.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>parent</code> - Cell whose children should be checked.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>List of tree roots in parent.</dd>
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<h4>getEdges</h4>
<pre class="methodSignature">public&nbsp;java.lang.Object[]&nbsp;getEdges&#8203;(java.lang.Object&nbsp;cell)</pre>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
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<h4>run</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;run&#8203;(java.lang.Object&nbsp;parent)</pre>
<div class="block">The API method used to exercise the layout upon the graph description
and produce a separate description of the vertex position and edge
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<pre class="methodSignature">public&nbsp;java.util.Set&lt;java.lang.Object&gt;&nbsp;filterDescendants&#8203;(java.lang.Object&nbsp;cell)</pre>
<div class="block">Creates a set of descendant cells</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - The cell whose descendants are to be calculated</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the descendants of the cell (not the cell)</dd>
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<pre class="methodSignature">protected&nbsp;void&nbsp;traverse&#8203;(java.lang.Object&nbsp;vertex,
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java.lang.Object&nbsp;edge,
java.util.Set&lt;java.lang.Object&gt;&nbsp;allVertices,
java.util.Set&lt;java.lang.Object&gt;&nbsp;currentComp,
java.util.List&lt;java.util.Set&lt;java.lang.Object&gt;&gt;&nbsp;hierarchyVertices,
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<div class="block">Traverses the (directed) graph invoking the given function for each
visited vertex and edge. The function is invoked with the current vertex
and the incoming edge as a parameter. This implementation makes sure
each vertex is only visited once. The function may return false if the
traversal should stop at the given vertex.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>vertex</code> - <mxCell> that represents the vertex where the traversal starts.</dd>
<dd><code>directed</code> - Optional boolean indicating if edges should only be traversed
from source to target. Default is true.</dd>
<dd><code>edge</code> - Optional <mxCell> that represents the incoming edge. This is
null for the first step of the traversal.</dd>
<dd><code>allVertices</code> - Array of cell paths for the visited cells.</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;cycleStage&#8203;(java.lang.Object&nbsp;parent)</pre>
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mxMinimumCycleRemover.</div>
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<pre class="methodSignature">public&nbsp;void&nbsp;layeringStage()</pre>
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<pre class="methodSignature">public&nbsp;void&nbsp;crossingStage&#8203;(java.lang.Object&nbsp;parent)</pre>
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<dd><code>intraCellSpacing</code> - The intraCellSpacing to set.</dd>
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<h4>setFineTuning</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setFineTuning&#8203;(boolean&nbsp;fineTuning)</pre>
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<h4>setDisableEdgeStyle</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setDisableEdgeStyle&#8203;(boolean&nbsp;disableEdgeStyle)</pre>
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<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;toString()</pre>
<div class="block">Returns <code>Hierarchical</code>, the name of this algorithm.</div>
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