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<h1>vtkTreeMapLayout Class Reference</h1><!-- doxytag: class="vtkTreeMapLayout" --><!-- doxytag: inherits="vtkTreeAlgorithm" --><code>#include <<a class="el" href="a04871.html">vtkTreeMapLayout.h</a>></code>
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Inheritance diagram for vtkTreeMapLayout:</div>
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<p><center><img src="a15386.png" border="0" usemap="#a15387" alt="Inheritance graph"></center>
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<area shape="rect" href="a01742.html" title="Superclass for algorithms that produce only Tree as output." alt="" coords="11,229,136,256"><area shape="rect" href="a00101.html" title="Superclass for all sources, filters, and sinks in VTK." alt="" coords="24,155,123,181"><area shape="rect" href="a01084.html" title="abstract base class for most VTK objects" alt="" coords="34,80,114,107"><area shape="rect" href="a01085.html" title="abstract base class for most VTK objects" alt="" coords="19,5,128,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
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Collaboration diagram for vtkTreeMapLayout:</div>
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<p><center><img src="a15388.png" border="0" usemap="#a15389" alt="Collaboration graph"></center>
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<a href="a15390.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
layout a <a class="el" href="a01741.html" title="A rooted tree data structure.">vtkTree</a> into a tree map
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<a class="el" href="a01750.html" title="layout a vtkTree into a tree map">vtkTreeMapLayout</a> assigns rectangular regions to each vertex in the tree, creating a tree map. The data is added as a data array with four components per tuple representing the location and size of the rectangle using the format (Xmin, Xmax, Ymin, Ymax).<p>
This algorithm relies on a helper class to perform the actual layout. This helper class is a subclass of <a class="el" href="a01751.html" title="abstract superclass for all tree map layout strategies">vtkTreeMapLayoutStrategy</a>.<p>
<dl class="user" compact><dt><b>Thanks:</b></dt><dd>Thanks to Brian Wylie and Ken Moreland from Sandia National Laboratories for help developing this class.</dd></dl>
<dl class="user" compact><dt><b>Thanks:</b></dt><dd>Tree map concept comes from: Shneiderman, B. 1992. Tree visualization with tree-maps: 2-d space-filling approach. ACM Trans. Graph. 11, 1 (Jan. 1992), 92-99.</dd></dl>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_16.html#c2_vtk_t_vtkTreeMapLayout">vtkTreeMapLayout (Tests)</a> </dd></dl>
<p>Definition at line <a class="el" href="a04871.html#l00052">52</a> of file <a class="el" href="a04871.html">vtkTreeMapLayout.h</a>.</p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="a01742.html">vtkTreeAlgorithm</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#20a8e4b59d9c5619c54b0d16a53c7072">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="a01750.html#571c8167c71a9325e001c6268a7e03b4">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="a01750.html#31f3bc21dc64d07cf7d4fb1e2fd430b7">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="a01750.html#0846d5870e43744a6399218809fd001b">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#5d3002907c2067712e783275ff68a4d1">FindVertex</a> (float pnt[2], float *binfo=0)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#6bb700b592fe9ffcc81a6800320d95fc">GetBoundingBox</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> id, float *binfo)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#3f509b642f38ea3b3094ad086b8e0481">GetMTime</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#860d384ca072f9c439855a91fa113ba6">GetRectanglesFieldName</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#a72718b8b4a1c10d4c570577b72c78ec">SetRectanglesFieldName</a> (const char *)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#aff0a37082748637c761d4b8f62ce772">SetSizeArrayName</a> (const char *name)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="a01751.html">vtkTreeMapLayoutStrategy</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#738e844fa46721b0986d9fd767667158">GetLayoutStrategy</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#6c639d3952dce2f8648b9c17e2b193ab">SetLayoutStrategy</a> (<a class="el" href="a01751.html">vtkTreeMapLayoutStrategy</a> *strategy)</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="a01750.html">vtkTreeMapLayout</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#a5cc502851ac6909a54861d51eeb94d7">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="a01750.html#111f9bc6ff7ed339866eafda18e421de">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a01750.html">vtkTreeMapLayout</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#9ab6a5476c85f8eab52a18c05f83b3c7">SafeDownCast</a> (<a class="el" href="a01084.html">vtkObject</a> *o)</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="a01750.html#48bdabaeb01c0234906dc047efe12b3e">vtkTreeMapLayout</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#62ad107e4c6f64f0c20e924ce67537c0">~vtkTreeMapLayout</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#ec9e06e6eb0bcdda02d8aae5df9cf31d">RequestData</a> (<a class="el" href="a00872.html">vtkInformation</a> *, <a class="el" href="a00895.html">vtkInformationVector</a> **, <a class="el" href="a00895.html">vtkInformationVector</a> *)</td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#5d463ce2117af6f91a7227f7aff8b79a">RectanglesFieldName</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a01751.html">vtkTreeMapLayoutStrategy</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01750.html#7170bda12a89fd9dd25886a776408e37">LayoutStrategy</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="20a8e4b59d9c5619c54b0d16a53c7072"></a><!-- doxytag: member="vtkTreeMapLayout::Superclass" ref="20a8e4b59d9c5619c54b0d16a53c7072" args="" -->
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<td class="memname">typedef <a class="el" href="a01742.html">vtkTreeAlgorithm</a> <a class="el" href="a01742.html">vtkTreeMapLayout::Superclass</a> </td>
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<p>Reimplemented from <a class="el" href="a01742.html#32ee1ca1008ec7fbc7455e3d64defd63">vtkTreeAlgorithm</a>.</p>
<p>Definition at line <a class="el" href="a04871.html#l00057">57</a> of file <a class="el" href="a04871.html">vtkTreeMapLayout.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="48bdabaeb01c0234906dc047efe12b3e"></a><!-- doxytag: member="vtkTreeMapLayout::vtkTreeMapLayout" ref="48bdabaeb01c0234906dc047efe12b3e" args="()" -->
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<td class="memname">vtkTreeMapLayout::vtkTreeMapLayout </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected]</code></td>
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<a class="anchor" name="62ad107e4c6f64f0c20e924ce67537c0"></a><!-- doxytag: member="vtkTreeMapLayout::~vtkTreeMapLayout" ref="62ad107e4c6f64f0c20e924ce67537c0" args="()" -->
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<td class="memname">vtkTreeMapLayout::~vtkTreeMapLayout </td>
<td>(</td>
<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="a5cc502851ac6909a54861d51eeb94d7"></a><!-- doxytag: member="vtkTreeMapLayout::New" ref="a5cc502851ac6909a54861d51eeb94d7" args="()" -->
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<td class="memname">static <a class="el" href="a01750.html">vtkTreeMapLayout</a>* vtkTreeMapLayout::New </td>
<td>(</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="a01742.html#4624ea23784cb86f58f319f6e459c3bf">vtkTreeAlgorithm</a>.</p>
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<a class="anchor" name="571c8167c71a9325e001c6268a7e03b4"></a><!-- doxytag: member="vtkTreeMapLayout::GetClassName" ref="571c8167c71a9325e001c6268a7e03b4" args="()" -->
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<td class="memname">virtual const char* vtkTreeMapLayout::GetClassName </td>
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<td><code> [virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a01742.html#21a2cc71c3296e4d173e1682087ee806">vtkTreeAlgorithm</a>.</p>
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<a class="anchor" name="111f9bc6ff7ed339866eafda18e421de"></a><!-- doxytag: member="vtkTreeMapLayout::IsTypeOf" ref="111f9bc6ff7ed339866eafda18e421de" args="(const char *type)" -->
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<td class="memname">static int vtkTreeMapLayout::IsTypeOf </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
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<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="a01742.html#1e8c11ef997dd86dcab65a5c424a4ded">vtkTreeAlgorithm</a>.</p>
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<a class="anchor" name="31f3bc21dc64d07cf7d4fb1e2fd430b7"></a><!-- doxytag: member="vtkTreeMapLayout::IsA" ref="31f3bc21dc64d07cf7d4fb1e2fd430b7" args="(const char *type)" -->
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<td class="memname">virtual int vtkTreeMapLayout::IsA </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
<td> ) </td>
<td><code> [virtual]</code></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="a01742.html#29f60e0ce151b9906ffae775bba7963b">vtkTreeAlgorithm</a>.</p>
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<a class="anchor" name="9ab6a5476c85f8eab52a18c05f83b3c7"></a><!-- doxytag: member="vtkTreeMapLayout::SafeDownCast" ref="9ab6a5476c85f8eab52a18c05f83b3c7" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a01750.html">vtkTreeMapLayout</a>* vtkTreeMapLayout::SafeDownCast </td>
<td>(</td>
<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="a01742.html#654d0f1da4ac96c7f26ac2a969945030">vtkTreeAlgorithm</a>.</p>
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<a class="anchor" name="0846d5870e43744a6399218809fd001b"></a><!-- doxytag: member="vtkTreeMapLayout::PrintSelf" ref="0846d5870e43744a6399218809fd001b" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">void vtkTreeMapLayout::PrintSelf </td>
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<td class="paramname"> <em>indent</em></td><td> </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="a01742.html#f7e04adecd30eae5b0e2282f0b376e15">vtkTreeAlgorithm</a>.</p>
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<a class="anchor" name="860d384ca072f9c439855a91fa113ba6"></a><!-- doxytag: member="vtkTreeMapLayout::GetRectanglesFieldName" ref="860d384ca072f9c439855a91fa113ba6" args="()" -->
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<td class="memname">virtual char* vtkTreeMapLayout::GetRectanglesFieldName </td>
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The field name to use for storing the rectangles for each vertex. The rectangles are stored in a quadruple float array (minX, maxX, minY, maxY).
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<a class="anchor" name="a72718b8b4a1c10d4c570577b72c78ec"></a><!-- doxytag: member="vtkTreeMapLayout::SetRectanglesFieldName" ref="a72718b8b4a1c10d4c570577b72c78ec" args="(const char *)" -->
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<td class="memname">virtual void vtkTreeMapLayout::SetRectanglesFieldName </td>
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<td><code> [virtual]</code></td>
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The field name to use for storing the rectangles for each vertex. The rectangles are stored in a quadruple float array (minX, maxX, minY, maxY).
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<a class="anchor" name="aff0a37082748637c761d4b8f62ce772"></a><!-- doxytag: member="vtkTreeMapLayout::SetSizeArrayName" ref="aff0a37082748637c761d4b8f62ce772" args="(const char *name)" -->
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<td class="memname">virtual void vtkTreeMapLayout::SetSizeArrayName </td>
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<td class="paramname"> <em>name</em> </td>
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The array to use for the size of each vertex.
<p>Definition at line <a class="el" href="a04871.html#l00070">70</a> of file <a class="el" href="a04871.html">vtkTreeMapLayout.h</a>.</p>
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<a class="anchor" name="738e844fa46721b0986d9fd767667158"></a><!-- doxytag: member="vtkTreeMapLayout::GetLayoutStrategy" ref="738e844fa46721b0986d9fd767667158" args="()" -->
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<td class="memname">virtual <a class="el" href="a01751.html">vtkTreeMapLayoutStrategy</a>* vtkTreeMapLayout::GetLayoutStrategy </td>
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The strategy to use when laying out the tree map.
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<a class="anchor" name="6c639d3952dce2f8648b9c17e2b193ab"></a><!-- doxytag: member="vtkTreeMapLayout::SetLayoutStrategy" ref="6c639d3952dce2f8648b9c17e2b193ab" args="(vtkTreeMapLayoutStrategy *strategy)" -->
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<td class="memname">void vtkTreeMapLayout::SetLayoutStrategy </td>
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<td class="paramname"> <em>strategy</em> </td>
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The strategy to use when laying out the tree map.
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<a class="anchor" name="5d3002907c2067712e783275ff68a4d1"></a><!-- doxytag: member="vtkTreeMapLayout::FindVertex" ref="5d3002907c2067712e783275ff68a4d1" args="(float pnt[2], float *binfo=0)" -->
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<td class="memname"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> vtkTreeMapLayout::FindVertex </td>
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<td class="paramtype">float </td>
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<td class="paramtype">float * </td>
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<td>)</td>
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Returns the vertex id that contains pnt (or -1 if no one contains it)
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<a class="anchor" name="6bb700b592fe9ffcc81a6800320d95fc"></a><!-- doxytag: member="vtkTreeMapLayout::GetBoundingBox" ref="6bb700b592fe9ffcc81a6800320d95fc" args="(vtkIdType id, float *binfo)" -->
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<td class="memname">void vtkTreeMapLayout::GetBoundingBox </td>
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<td class="paramtype"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td>
<td class="paramname"> <em>id</em>, </td>
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<td></td>
<td class="paramtype">float * </td>
<td class="paramname"> <em>binfo</em></td><td> </td>
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<td>)</td>
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Return the min and max 2D points of the vertex's bounding box
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<a class="anchor" name="3f509b642f38ea3b3094ad086b8e0481"></a><!-- doxytag: member="vtkTreeMapLayout::GetMTime" ref="3f509b642f38ea3b3094ad086b8e0481" args="()" -->
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<td class="memname">virtual unsigned long vtkTreeMapLayout::GetMTime </td>
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<td class="paramname"> </td>
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<td><code> [virtual]</code></td>
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<p>
Get the modification time of the layout algorithm.
<p>Reimplemented from <a class="el" href="a01084.html#8137c0551b29bb996f0dd2f886bcd2da">vtkObject</a>.</p>
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<a class="anchor" name="ec9e06e6eb0bcdda02d8aae5df9cf31d"></a><!-- doxytag: member="vtkTreeMapLayout::RequestData" ref="ec9e06e6eb0bcdda02d8aae5df9cf31d" args="(vtkInformation *, vtkInformationVector **, vtkInformationVector *)" -->
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<td class="memname">int vtkTreeMapLayout::RequestData </td>
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<td class="paramtype"><a class="el" href="a00872.html">vtkInformation</a> * </td>
<td class="paramname"> <em>request</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> ** </td>
<td class="paramname"> <em>inputVector</em>, </td>
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<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> * </td>
<td class="paramname"> <em>outputVector</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [protected, virtual]</code></td>
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This is called by the superclass. This is the method you should override.
<p>Reimplemented from <a class="el" href="a01742.html#bb22ffb916ced6eb4a0db98615bb8444">vtkTreeAlgorithm</a>.</p>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="5d463ce2117af6f91a7227f7aff8b79a"></a><!-- doxytag: member="vtkTreeMapLayout::RectanglesFieldName" ref="5d463ce2117af6f91a7227f7aff8b79a" args="" -->
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<td class="memname">char* <a class="el" href="a01750.html#5d463ce2117af6f91a7227f7aff8b79a">vtkTreeMapLayout::RectanglesFieldName</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04871.html#l00093">93</a> of file <a class="el" href="a04871.html">vtkTreeMapLayout.h</a>.</p>
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<a class="anchor" name="7170bda12a89fd9dd25886a776408e37"></a><!-- doxytag: member="vtkTreeMapLayout::LayoutStrategy" ref="7170bda12a89fd9dd25886a776408e37" args="" -->
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<td class="memname"><a class="el" href="a01751.html">vtkTreeMapLayoutStrategy</a>* <a class="el" href="a01750.html#7170bda12a89fd9dd25886a776408e37">vtkTreeMapLayout::LayoutStrategy</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04871.html#l00094">94</a> of file <a class="el" href="a04871.html">vtkTreeMapLayout.h</a>.</p>
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</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Infovis/<a class="el" href="a04871.html">vtkTreeMapLayout.h</a></ul>
</div>
<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:41:24 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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