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<h1>vtkDirectedAcyclicGraph Class Reference</h1><!-- doxytag: class="vtkDirectedAcyclicGraph" --><!-- doxytag: inherits="vtkDirectedGraph" --><code>#include <<a class="el" href="a04028.html">vtkDirectedAcyclicGraph.h</a>></code>
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Inheritance diagram for vtkDirectedAcyclicGraph:</div>
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<p><center><img src="a09263.png" border="0" usemap="#a09264" alt="Inheritance graph"></center>
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Collaboration diagram for vtkDirectedAcyclicGraph:</div>
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<p><center><img src="a09265.png" border="0" usemap="#a09266" alt="Collaboration graph"></center>
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<a href="a09267.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
A rooted tree data structure.
<p>
<a class="el" href="a00420.html" title="A rooted tree data structure.">vtkDirectedAcyclicGraph</a> is a connected directed graph with no cycles. A tree is a type of directed graph, so works with all graph algorithms.<p>
<a class="el" href="a00420.html" title="A rooted tree data structure.">vtkDirectedAcyclicGraph</a> is a read-only data structure. To construct a tree, create an instance of <a class="el" href="a01071.html" title="An editable directed graph.">vtkMutableDirectedGraph</a>. Add vertices and edges with AddVertex() and AddEdge(). You may alternately start by adding a single vertex as the root then call graph->AddChild(parent) which adds a new vertex and connects the parent to the child. The tree MUST have all edges in the proper direction, from parent to child. After building the tree, call tree->CheckedShallowCopy(graph) to copy the structure into a <a class="el" href="a00420.html" title="A rooted tree data structure.">vtkDirectedAcyclicGraph</a>. This method will return false if the graph is an invalid tree.<p>
<a class="el" href="a00420.html" title="A rooted tree data structure.">vtkDirectedAcyclicGraph</a> provides some convenience methods for obtaining the parent and children of a vertex, for finding the root, and determining if a vertex is a leaf (a vertex with no children).<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="a00421.html" title="A directed graph.">vtkDirectedGraph</a> <a class="el" href="a01071.html" title="An editable directed graph.">vtkMutableDirectedGraph</a> <a class="el" href="a00654.html" title="Base class for graph data types.">vtkGraph</a></dd></dl>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_4.html#c2_vtk_t_vtkDirectedAcyclicGraph">vtkDirectedAcyclicGraph (Tests)</a> </dd></dl>
<p>Definition at line <a class="el" href="a04028.html#l00055">55</a> of file <a class="el" href="a04028.html">vtkDirectedAcyclicGraph.h</a>.</p>
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<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="a00421.html">vtkDirectedGraph</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#39a5204245c63bd4cd11deb444bc226f">Superclass</a></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#f4daecd8c4c88f67b18ee0560bc2f0eb">GetClassName</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#a91160bdbf1c9387edd136ad35535312">IsA</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#2a1fd1430a592fdd645b55b67ee6befc">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#6067ea003c244299ed71f5c1fff22a80">GetDataObjectType</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00420.html">vtkDirectedAcyclicGraph</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#9647b1c793e6761300101ca14f551f81">New</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#2b8f3bda72a7b3fba42f71a6ea49b93d">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00420.html">vtkDirectedAcyclicGraph</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#96ae39cd6c172a61f4f4a8ef8f2e3d4d">SafeDownCast</a> (<a class="el" href="a01084.html">vtkObject</a> *o)</td></tr>
<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00420.html">vtkDirectedAcyclicGraph</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#3d33ccf668b98e19f17b5d13bfce4d74">GetData</a> (<a class="el" href="a00872.html">vtkInformation</a> *info)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00420.html">vtkDirectedAcyclicGraph</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#bbf0e5bfeb99b3495de61cd88c7219a7">GetData</a> (<a class="el" href="a00895.html">vtkInformationVector</a> *v, int i=0)</td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#bf4ae7dc01937eb408feb59a3e23f10d">vtkDirectedAcyclicGraph</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#c1bd55968bb4a120135e6e24196c1ccf">~vtkDirectedAcyclicGraph</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00420.html#defa3f3a82faad5aa20697d3f492f235">IsStructureValid</a> (<a class="el" href="a00654.html">vtkGraph</a> *g)</td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="39a5204245c63bd4cd11deb444bc226f"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::Superclass" ref="39a5204245c63bd4cd11deb444bc226f" args="" -->
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<td class="memname">typedef <a class="el" href="a00421.html">vtkDirectedGraph</a> <a class="el" href="a00421.html">vtkDirectedAcyclicGraph::Superclass</a> </td>
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<p>Reimplemented from <a class="el" href="a00421.html#1362fd74f1f00d5deced3a61e0d9dba5">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#98a6078abee10b8074a41feb713cc6a4">vtkTree</a>.</p>
<p>Definition at line <a class="el" href="a04028.html#l00059">59</a> of file <a class="el" href="a04028.html">vtkDirectedAcyclicGraph.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="bf4ae7dc01937eb408feb59a3e23f10d"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::vtkDirectedAcyclicGraph" ref="bf4ae7dc01937eb408feb59a3e23f10d" args="()" -->
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<td class="memname">vtkDirectedAcyclicGraph::vtkDirectedAcyclicGraph </td>
<td>(</td>
<td class="paramname"> </td>
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<td><code> [protected]</code></td>
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<a class="anchor" name="c1bd55968bb4a120135e6e24196c1ccf"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::~vtkDirectedAcyclicGraph" ref="c1bd55968bb4a120135e6e24196c1ccf" args="()" -->
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<td class="memname">vtkDirectedAcyclicGraph::~vtkDirectedAcyclicGraph </td>
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<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected]</code></td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="9647b1c793e6761300101ca14f551f81"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::New" ref="9647b1c793e6761300101ca14f551f81" args="()" -->
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<td class="memname">static <a class="el" href="a00420.html">vtkDirectedAcyclicGraph</a>* vtkDirectedAcyclicGraph::New </td>
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<td><code> [static]</code></td>
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Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
<p>Reimplemented from <a class="el" href="a00421.html#91f141f72beacd9ff0c0148bdb2d35ec">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#731c337a9d23796756e4567926b46856">vtkTree</a>.</p>
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<a class="anchor" name="f4daecd8c4c88f67b18ee0560bc2f0eb"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::GetClassName" ref="f4daecd8c4c88f67b18ee0560bc2f0eb" args="()" -->
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<td class="memname">virtual const char* vtkDirectedAcyclicGraph::GetClassName </td>
<td>(</td>
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<td><code> [virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a00421.html#df0d7378551116bcdd19e79b69945420">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#04f932a1f7202806eaa9731d0ff529b7">vtkTree</a>.</p>
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<a class="anchor" name="2b8f3bda72a7b3fba42f71a6ea49b93d"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::IsTypeOf" ref="2b8f3bda72a7b3fba42f71a6ea49b93d" args="(const char *type)" -->
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<td class="memname">static int vtkDirectedAcyclicGraph::IsTypeOf </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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Return 1 if this class type is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeRevisionMacro found in vtkSetGet.h.
<p>Reimplemented from <a class="el" href="a00421.html#b21534ad46d33209e3442b14da89c662">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#71f02719e85781896b6af82e522e3cd8">vtkTree</a>.</p>
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<a class="anchor" name="a91160bdbf1c9387edd136ad35535312"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::IsA" ref="a91160bdbf1c9387edd136ad35535312" args="(const char *type)" -->
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<td class="memname">virtual int vtkDirectedAcyclicGraph::IsA </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
<td> ) </td>
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Return 1 if this class is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeRevisionMacro found in vtkSetGet.h.
<p>Reimplemented from <a class="el" href="a00421.html#9948d9b33d0dd744ca30b06e2f9db26f">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#8f661325aae048834784b90e47fb924c">vtkTree</a>.</p>
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<a class="anchor" name="96ae39cd6c172a61f4f4a8ef8f2e3d4d"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::SafeDownCast" ref="96ae39cd6c172a61f4f4a8ef8f2e3d4d" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a00420.html">vtkDirectedAcyclicGraph</a>* vtkDirectedAcyclicGraph::SafeDownCast </td>
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<td class="paramtype"><a class="el" href="a01084.html">vtkObject</a> * </td>
<td class="paramname"> <em>o</em> </td>
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<p>Reimplemented from <a class="el" href="a00421.html#1c8bf0c2b604d50756ae73f9a75f5c76">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#f27f58415579b3b60600cd2ab36ce847">vtkTree</a>.</p>
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<a class="anchor" name="2a1fd1430a592fdd645b55b67ee6befc"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::PrintSelf" ref="2a1fd1430a592fdd645b55b67ee6befc" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">void vtkDirectedAcyclicGraph::PrintSelf </td>
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Methods invoked by print to print information about the object including superclasses. Typically not called by the user (use <a class="el" href="a01085.html#edadf6378465fd81c2592ef64262e2a5">Print()</a> instead) but used in the hierarchical print process to combine the output of several classes.
<p>Reimplemented from <a class="el" href="a00421.html#8178c7ac30bbd67bf7f6ce01b74ebd37">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#7e736477e4f6bdefe2aa6c5c54e9f706">vtkTree</a>.</p>
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<a class="anchor" name="6067ea003c244299ed71f5c1fff22a80"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::GetDataObjectType" ref="6067ea003c244299ed71f5c1fff22a80" args="()" -->
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<td class="memname">virtual int vtkDirectedAcyclicGraph::GetDataObjectType </td>
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<td><code> [inline, virtual]</code></td>
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Return what type of dataset this is.
<p>Reimplemented from <a class="el" href="a00421.html#953eb3f7701142c27afa12ba74546700">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#33e3abe70bcac6d7297594f309648d52">vtkTree</a>.</p>
<p>Definition at line <a class="el" href="a04028.html#l00063">63</a> of file <a class="el" href="a04028.html">vtkDirectedAcyclicGraph.h</a>.</p>
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<a class="anchor" name="3d33ccf668b98e19f17b5d13bfce4d74"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::GetData" ref="3d33ccf668b98e19f17b5d13bfce4d74" args="(vtkInformation *info)" -->
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<td class="memname">static <a class="el" href="a00420.html">vtkDirectedAcyclicGraph</a>* vtkDirectedAcyclicGraph::GetData </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00872.html">vtkInformation</a> * </td>
<td class="paramname"> <em>info</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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<p>
Retrieve a graph from an information vector.
<p>Reimplemented from <a class="el" href="a00421.html#f782474aed56e3b7cb971722fe1db1ce">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#2a9d6942adb887aff7d5b09c2d1c97b7">vtkTree</a>.</p>
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<a class="anchor" name="bbf0e5bfeb99b3495de61cd88c7219a7"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::GetData" ref="bbf0e5bfeb99b3495de61cd88c7219a7" args="(vtkInformationVector *v, int i=0)" -->
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<td class="memname">static <a class="el" href="a00420.html">vtkDirectedAcyclicGraph</a>* vtkDirectedAcyclicGraph::GetData </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> * </td>
<td class="paramname"> <em>v</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>i</em> = <code>0</code></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [static]</code></td>
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<p>
Retrieve a graph from an information vector.
<p>Reimplemented from <a class="el" href="a00421.html#b8fb2746e7292dafc27465a6f99b00e9">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#b04a9e220cf45b353720fc0dde9d8455">vtkTree</a>.</p>
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<a class="anchor" name="defa3f3a82faad5aa20697d3f492f235"></a><!-- doxytag: member="vtkDirectedAcyclicGraph::IsStructureValid" ref="defa3f3a82faad5aa20697d3f492f235" args="(vtkGraph *g)" -->
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<td class="memname">virtual bool vtkDirectedAcyclicGraph::IsStructureValid </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00654.html">vtkGraph</a> * </td>
<td class="paramname"> <em>g</em> </td>
<td> ) </td>
<td><code> [protected, virtual]</code></td>
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<p>
Check the storage, and accept it if it is a valid tree.
<p>Reimplemented from <a class="el" href="a00421.html#3cf57c77519fbbd9c2b64be69a9df095">vtkDirectedGraph</a>.</p>
<p>Reimplemented in <a class="el" href="a01741.html#1a8a2479b6fec93133d78ae411dd34bf">vtkTree</a>.</p>
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</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Filtering/<a class="el" href="a04028.html">vtkDirectedAcyclicGraph.h</a></ul>
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<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:00:14 2009 for VTK by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
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