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<h1>vtkPolyDataConnectivityFilter Class Reference</h1><!-- doxytag: class="vtkPolyDataConnectivityFilter" --><!-- doxytag: inherits="vtkPolyDataAlgorithm" --><code>#include &lt;<a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>&gt;</code>
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Inheritance diagram for vtkPolyDataConnectivityFilter:</div>
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Collaboration diagram for vtkPolyDataConnectivityFilter:</div>
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<p>
<a href="a13232.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
extract polygonal data based on geometric connectivity 
<p>
<a class="el" href="a01263.html" title="extract polygonal data based on geometric connectivity">vtkPolyDataConnectivityFilter</a> is a filter that extracts cells that share common points and/or satisfy a scalar threshold criterion. (Such a group of cells is called a region.) The filter works in one of six ways: 1) extract the largest connected region in the dataset; 2) extract specified region numbers; 3) extract all regions sharing specified point ids; 4) extract all regions sharing specified cell ids; 5) extract the region closest to the specified point; or 6) extract all regions (used to color regions).<p>
This filter is specialized for polygonal data. This means it runs a bit faster and is easier to construct visualization networks that process polygonal data.<p>
The behavior of <a class="el" href="a01263.html" title="extract polygonal data based on geometric connectivity">vtkPolyDataConnectivityFilter</a> can be modified by turning on the boolean ivar ScalarConnectivity. If this flag is on, the connectivity algorithm is modified so that cells are considered connected only if 1) they are geometrically connected (share a point) and 2) the scalar values of one of the cell's points falls in the scalar range specified. This use of ScalarConnectivity is particularly useful for selecting cells for later processing.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="a00317.html" title="extract data based on geometric connectivity">vtkConnectivityFilter</a></dd></dl>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_12.html#c2_vtk_t_vtkPolyDataConnectivityFilter">vtkPolyDataConnectivityFilter (Tests)</a> </dd></dl>

<p>Definition at line <a class="el" href="a04406.html#l00062">62</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.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="a01261.html">vtkPolyDataAlgorithm</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#7dab2002ea9c1278eda19bace2370dcb">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 *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#dc7ff062a818790093209cc6009679f0">GetClassName</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#a4dc2b293871ba336b4d4fe78ffb003f">IsA</a> (const char *type)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#7f694c11e0f4ee1733d2900a19b9de52">PrintSelf</a> (ostream &amp;os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#3e21597ebac3ccb55e41f72b9743eb99">InitializeSeedList</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#fc7455ce346980edbeb94c0cc8dbb583">AddSeed</a> (int id)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#bd5c138c32b6c9231a279c8c26b3bea6">DeleteSeed</a> (int id)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#252a3c970c45e4a7a93efed1dfd44da3">InitializeSpecifiedRegionList</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#ea89220e954a8b87c19ef77575e567fb">AddSpecifiedRegion</a> (int id)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#82b4b23b3eed804f36d8aec764cf59e6">DeleteSpecifiedRegion</a> (int id)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#b2b26e454c26e3e37654f1a4acb2385e">GetNumberOfExtractedRegions</a> ()</td></tr>

<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#db0467522a7d17e0d35e31c478538327">SetScalarConnectivity</a> (int)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#30f2d8fe3d3c5e9b0aa5a9c8c548623a">GetScalarConnectivity</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#db43356460b3f17ce922a8ca8218768b">ScalarConnectivityOn</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#69b0306b2ecbb181e9afbc67c929f8e7">ScalarConnectivityOff</a> ()</td></tr>

<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#be34da81460eda44f40d36e01388e026">SetScalarRange</a> (double, double)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#279e17605d5f27219fb0f1fc912b0f39">SetScalarRange</a> (double[2])</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual double *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#ac1d57a212a62af217c4a6c74e24863c">GetScalarRange</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#cec6329d0c43bd1f9599c4d500db135e">GetScalarRange</a> (double &amp;, double &amp;)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#77002e0163ee6e613182b3259858f0e6">GetScalarRange</a> (double[2])</td></tr>

<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#978c90d0fb9b883d3817aeb5006f3798">SetExtractionMode</a> (int)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#501a12ba83b282258f45a3d10ea273c3">GetExtractionMode</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#f596e0affc6c329fa8b9359769dda4d9">SetExtractionModeToPointSeededRegions</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#fc396db2d6c30ed695fd4439aa52478f">SetExtractionModeToCellSeededRegions</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#7716ad583bdaa31b6bcd84382849f7ae">SetExtractionModeToLargestRegion</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#f5a0a402539dd8a290fed287fee01c87">SetExtractionModeToSpecifiedRegions</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#a131a463004257e3a7d665958441444e">SetExtractionModeToClosestPointRegion</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#1a3bc569eab253e10a8cd33338636eb8">SetExtractionModeToAllRegions</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#2b5f834309163c13cf7c330e7be24b13">GetExtractionModeAsString</a> ()</td></tr>

<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#2dc737e095320a14ff9e60e03b949b99">SetClosestPoint</a> (double, double, double)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#8208bd6ea8201df68395a0bbdf267dc9">SetClosestPoint</a> (double[3])</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual double *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#aed2c91314728e8bcdd32fde28e483ce">GetClosestPoint</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#03b0adab335491a96396671f4e04d3c2">GetClosestPoint</a> (double data[3])</td></tr>

<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#13c528a2cbb56891fd9c41af37e7089d">SetColorRegions</a> (int)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#f74a0c05ba4e9738956e8dcd59e75aa6">GetColorRegions</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#dfadae5c47d3837c94b45048765807b6">ColorRegionsOn</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#6c8c87ab50cb98704417496c0048ae02">ColorRegionsOff</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 int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#e9dfc88050aeea195a2d864769451f5a">IsTypeOf</a> (const char *type)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">static <br>
<a class="el" href="a01263.html">vtkPolyDataConnectivityFilter</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#f4b1df6b5acfd015d3049a5be4ddd4b3">SafeDownCast</a> (<a class="el" href="a01084.html">vtkObject</a> *o)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">static <br>
<a class="el" href="a01263.html">vtkPolyDataConnectivityFilter</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#3b75074f88dbb4c3821c791560f9d3fd">New</a> ()</td></tr>

<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#0c205b8af17de7ed44c0d426ff5a2753">vtkPolyDataConnectivityFilter</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#0c39f3ac24c8d676eb14b1ce88753c07">~vtkPolyDataConnectivityFilter</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#015dde988ec619fd7241089868e3cf64">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 class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#3b93c0ced3504156089abbbfcffec10d">TraverseAndMark</a> ()</td></tr>

<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#7e98438473dcfa326e8aaf2cb11d3292">ColorRegions</a></td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#7e75674b37d89d5dbcc298b95e0c2d30">ExtractionMode</a></td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00720.html">vtkIdList</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#82481e35b5195b457ec5ab717bda331f">Seeds</a></td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00720.html">vtkIdList</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#d38a9c41a0b950a1fb6963ec9fe4ba03">SpecifiedRegionIds</a></td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00722.html">vtkIdTypeArray</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#2986b2c265fdd11e1936627347c0f3e7">RegionSizes</a></td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#21e5a4a2de3a9c2d7303b332693f01d6">ClosestPoint</a> [3]</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#75baecde6189529cbf39e70adf3bf715">ScalarConnectivity</a></td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a01263.html#c2bddf91005f917a58efb5e47b40dc8f">ScalarRange</a> [2]</td></tr>

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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="7dab2002ea9c1278eda19bace2370dcb"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::Superclass" ref="7dab2002ea9c1278eda19bace2370dcb" args="" -->
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          <td class="memname">typedef <a class="el" href="a01261.html">vtkPolyDataAlgorithm</a> <a class="el" href="a01261.html">vtkPolyDataConnectivityFilter::Superclass</a>          </td>
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<p>Reimplemented from <a class="el" href="a01261.html#0ef1960e1f3d6980b058ab47b5475b91">vtkPolyDataAlgorithm</a>.</p>

<p>Definition at line <a class="el" href="a04406.html#l00065">65</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="0c205b8af17de7ed44c0d426ff5a2753"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::vtkPolyDataConnectivityFilter" ref="0c205b8af17de7ed44c0d426ff5a2753" args="()" -->
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          <td class="memname">vtkPolyDataConnectivityFilter::vtkPolyDataConnectivityFilter           </td>
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          <td><code> [protected]</code></td>
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</div>
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<a class="anchor" name="0c39f3ac24c8d676eb14b1ce88753c07"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::~vtkPolyDataConnectivityFilter" ref="0c39f3ac24c8d676eb14b1ce88753c07" args="()" -->
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          <td class="memname">vtkPolyDataConnectivityFilter::~vtkPolyDataConnectivityFilter           </td>
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          <td><code> [protected]</code></td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="dc7ff062a818790093209cc6009679f0"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetClassName" ref="dc7ff062a818790093209cc6009679f0" args="()" -->
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          <td class="memname">virtual const char* vtkPolyDataConnectivityFilter::GetClassName           </td>
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          <td><code> [virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a01261.html#117691a3be177e85a0eb7e54b011c9de">vtkPolyDataAlgorithm</a>.</p>

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<a class="anchor" name="e9dfc88050aeea195a2d864769451f5a"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::IsTypeOf" ref="e9dfc88050aeea195a2d864769451f5a" args="(const char *type)" -->
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          <td class="memname">static int vtkPolyDataConnectivityFilter::IsTypeOf           </td>
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          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>name</em>          </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="a01261.html#6e4df93069945e2df17a891c6f4cd557">vtkPolyDataAlgorithm</a>.</p>

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<a class="anchor" name="a4dc2b293871ba336b4d4fe78ffb003f"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::IsA" ref="a4dc2b293871ba336b4d4fe78ffb003f" args="(const char *type)" -->
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          <td class="memname">virtual int vtkPolyDataConnectivityFilter::IsA           </td>
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          <td class="paramname"> <em>name</em>          </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="a01261.html#b0133191c934f596dac2a21fd5a8da20">vtkPolyDataAlgorithm</a>.</p>

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<a class="anchor" name="f4b1df6b5acfd015d3049a5be4ddd4b3"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SafeDownCast" ref="f4b1df6b5acfd015d3049a5be4ddd4b3" args="(vtkObject *o)" -->
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          <td class="memname">static <a class="el" href="a01263.html">vtkPolyDataConnectivityFilter</a>* vtkPolyDataConnectivityFilter::SafeDownCast           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a01084.html">vtkObject</a> *&nbsp;</td>
          <td class="paramname"> <em>o</em>          </td>
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<p>Reimplemented from <a class="el" href="a01261.html#3a09aba4f394c174457d17e9bc08af04">vtkPolyDataAlgorithm</a>.</p>

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<a class="anchor" name="7f694c11e0f4ee1733d2900a19b9de52"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::PrintSelf" ref="7f694c11e0f4ee1733d2900a19b9de52" args="(ostream &amp;os, vtkIndent indent)" -->
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          <td class="memname">void vtkPolyDataConnectivityFilter::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="a01261.html#e6d59a63261b0c56f8f473984ae0e1b6">vtkPolyDataAlgorithm</a>.</p>

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<a class="anchor" name="3b75074f88dbb4c3821c791560f9d3fd"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::New" ref="3b75074f88dbb4c3821c791560f9d3fd" args="()" -->
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Construct with default extraction mode to extract largest regions. 
<p>Reimplemented from <a class="el" href="a01261.html#cf785ac526132296ff652c636f713b5e">vtkPolyDataAlgorithm</a>.</p>

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<a class="anchor" name="db0467522a7d17e0d35e31c478538327"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetScalarConnectivity" ref="db0467522a7d17e0d35e31c478538327" args="(int)" -->
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          <td class="memname">virtual void vtkPolyDataConnectivityFilter::SetScalarConnectivity           </td>
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Turn on/off connectivity based on scalar value. If on, cells are connected only if they share points AND one of the cells scalar values falls in the scalar range specified. 
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<a class="anchor" name="30f2d8fe3d3c5e9b0aa5a9c8c548623a"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetScalarConnectivity" ref="30f2d8fe3d3c5e9b0aa5a9c8c548623a" args="()" -->
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          <td class="memname">virtual int vtkPolyDataConnectivityFilter::GetScalarConnectivity           </td>
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Turn on/off connectivity based on scalar value. If on, cells are connected only if they share points AND one of the cells scalar values falls in the scalar range specified. 
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<a class="anchor" name="db43356460b3f17ce922a8ca8218768b"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::ScalarConnectivityOn" ref="db43356460b3f17ce922a8ca8218768b" args="()" -->
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          <td class="memname">virtual void vtkPolyDataConnectivityFilter::ScalarConnectivityOn           </td>
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Turn on/off connectivity based on scalar value. If on, cells are connected only if they share points AND one of the cells scalar values falls in the scalar range specified. 
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<a class="anchor" name="69b0306b2ecbb181e9afbc67c929f8e7"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::ScalarConnectivityOff" ref="69b0306b2ecbb181e9afbc67c929f8e7" args="()" -->
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          <td class="memname">virtual void vtkPolyDataConnectivityFilter::ScalarConnectivityOff           </td>
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Turn on/off connectivity based on scalar value. If on, cells are connected only if they share points AND one of the cells scalar values falls in the scalar range specified. 
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<a class="anchor" name="be34da81460eda44f40d36e01388e026"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetScalarRange" ref="be34da81460eda44f40d36e01388e026" args="(double, double)" -->
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          <td class="memname">virtual void vtkPolyDataConnectivityFilter::SetScalarRange           </td>
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Set the scalar range to use to extract cells based on scalar connectivity. 
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<a class="anchor" name="279e17605d5f27219fb0f1fc912b0f39"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetScalarRange" ref="279e17605d5f27219fb0f1fc912b0f39" args="(double[2])" -->
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Set the scalar range to use to extract cells based on scalar connectivity. 
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<a class="anchor" name="ac1d57a212a62af217c4a6c74e24863c"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetScalarRange" ref="ac1d57a212a62af217c4a6c74e24863c" args="()" -->
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Set the scalar range to use to extract cells based on scalar connectivity. 
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<a class="anchor" name="cec6329d0c43bd1f9599c4d500db135e"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetScalarRange" ref="cec6329d0c43bd1f9599c4d500db135e" args="(double &amp;, double &amp;)" -->
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Set the scalar range to use to extract cells based on scalar connectivity. 
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<a class="anchor" name="77002e0163ee6e613182b3259858f0e6"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetScalarRange" ref="77002e0163ee6e613182b3259858f0e6" args="(double[2])" -->
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Set the scalar range to use to extract cells based on scalar connectivity. 
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<a class="anchor" name="978c90d0fb9b883d3817aeb5006f3798"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetExtractionMode" ref="978c90d0fb9b883d3817aeb5006f3798" args="(int)" -->
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Control the extraction of connected surfaces. 
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<a class="anchor" name="501a12ba83b282258f45a3d10ea273c3"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetExtractionMode" ref="501a12ba83b282258f45a3d10ea273c3" args="()" -->
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Control the extraction of connected surfaces. 
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<a class="anchor" name="f596e0affc6c329fa8b9359769dda4d9"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetExtractionModeToPointSeededRegions" ref="f596e0affc6c329fa8b9359769dda4d9" args="()" -->
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Control the extraction of connected surfaces. 
<p>Definition at line <a class="el" href="a04406.html#l00093">93</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="fc396db2d6c30ed695fd4439aa52478f"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetExtractionModeToCellSeededRegions" ref="fc396db2d6c30ed695fd4439aa52478f" args="()" -->
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Control the extraction of connected surfaces. 
<p>Definition at line <a class="el" href="a04406.html#l00095">95</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="7716ad583bdaa31b6bcd84382849f7ae"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetExtractionModeToLargestRegion" ref="7716ad583bdaa31b6bcd84382849f7ae" args="()" -->
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          <td>(</td>
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Control the extraction of connected surfaces. 
<p>Definition at line <a class="el" href="a04406.html#l00097">97</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="f5a0a402539dd8a290fed287fee01c87"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetExtractionModeToSpecifiedRegions" ref="f5a0a402539dd8a290fed287fee01c87" args="()" -->
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          <td>(</td>
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Control the extraction of connected surfaces. 
<p>Definition at line <a class="el" href="a04406.html#l00099">99</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="a131a463004257e3a7d665958441444e"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetExtractionModeToClosestPointRegion" ref="a131a463004257e3a7d665958441444e" args="()" -->
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          <td class="memname">void vtkPolyDataConnectivityFilter::SetExtractionModeToClosestPointRegion           </td>
          <td>(</td>
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          <td><code> [inline]</code></td>
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<p>
Control the extraction of connected surfaces. 
<p>Definition at line <a class="el" href="a04406.html#l00101">101</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="1a3bc569eab253e10a8cd33338636eb8"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetExtractionModeToAllRegions" ref="1a3bc569eab253e10a8cd33338636eb8" args="()" -->
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          <td class="memname">void vtkPolyDataConnectivityFilter::SetExtractionModeToAllRegions           </td>
          <td>(</td>
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          <td><code> [inline]</code></td>
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<p>
Control the extraction of connected surfaces. 
<p>Definition at line <a class="el" href="a04406.html#l00103">103</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="2b5f834309163c13cf7c330e7be24b13"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetExtractionModeAsString" ref="2b5f834309163c13cf7c330e7be24b13" args="()" -->
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          <td class="memname">const char * vtkPolyDataConnectivityFilter::GetExtractionModeAsString           </td>
          <td>(</td>
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Return the method of extraction as a string. 
<p>Definition at line <a class="el" href="a04406.html#l00185">185</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="3e21597ebac3ccb55e41f72b9743eb99"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::InitializeSeedList" ref="3e21597ebac3ccb55e41f72b9743eb99" args="()" -->
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          <td class="memname">void vtkPolyDataConnectivityFilter::InitializeSeedList           </td>
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Initialize list of point ids/cell ids used to seed regions. 
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<a class="anchor" name="fc7455ce346980edbeb94c0cc8dbb583"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::AddSeed" ref="fc7455ce346980edbeb94c0cc8dbb583" args="(int id)" -->
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          <td class="memname">void vtkPolyDataConnectivityFilter::AddSeed           </td>
          <td>(</td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>id</em>          </td>
          <td>&nbsp;)&nbsp;</td>
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<p>
Add a seed id (point or cell id). Note: ids are 0-offset. 
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<a class="anchor" name="bd5c138c32b6c9231a279c8c26b3bea6"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::DeleteSeed" ref="bd5c138c32b6c9231a279c8c26b3bea6" args="(int id)" -->
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<p>
Delete a seed id (point or cell id). Note: ids are 0-offset. 
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<a class="anchor" name="252a3c970c45e4a7a93efed1dfd44da3"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::InitializeSpecifiedRegionList" ref="252a3c970c45e4a7a93efed1dfd44da3" args="()" -->
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          <td class="memname">void vtkPolyDataConnectivityFilter::InitializeSpecifiedRegionList           </td>
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Initialize list of region ids to extract. 
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<a class="anchor" name="ea89220e954a8b87c19ef77575e567fb"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::AddSpecifiedRegion" ref="ea89220e954a8b87c19ef77575e567fb" args="(int id)" -->
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          <td>(</td>
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<p>
Add a region id to extract. Note: ids are 0-offset. 
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<a class="anchor" name="82b4b23b3eed804f36d8aec764cf59e6"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::DeleteSpecifiedRegion" ref="82b4b23b3eed804f36d8aec764cf59e6" args="(int id)" -->
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          <td class="memname">void vtkPolyDataConnectivityFilter::DeleteSpecifiedRegion           </td>
          <td>(</td>
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<p>
Delete a region id to extract. Note: ids are 0-offset. 
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<a class="anchor" name="2dc737e095320a14ff9e60e03b949b99"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetClosestPoint" ref="2dc737e095320a14ff9e60e03b949b99" args="(double, double, double)" -->
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          <td class="memname">virtual void vtkPolyDataConnectivityFilter::SetClosestPoint           </td>
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          <td class="paramtype">double&nbsp;</td>
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          <td></td><td></td><td><code> [virtual]</code></td>
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<p>
Use to specify x-y-z point coordinates when extracting the region closest to a specified point. 
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<a class="anchor" name="8208bd6ea8201df68395a0bbdf267dc9"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetClosestPoint" ref="8208bd6ea8201df68395a0bbdf267dc9" args="(double[3])" -->
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          <td class="memname">virtual void vtkPolyDataConnectivityFilter::SetClosestPoint           </td>
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          <td class="paramtype">double&nbsp;</td>
          <td class="paramname">[3]          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [virtual]</code></td>
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<p>
Use to specify x-y-z point coordinates when extracting the region closest to a specified point. 
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<a class="anchor" name="aed2c91314728e8bcdd32fde28e483ce"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetClosestPoint" ref="aed2c91314728e8bcdd32fde28e483ce" args="()" -->
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          <td class="memname">virtual double* vtkPolyDataConnectivityFilter::GetClosestPoint           </td>
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          <td><code> [virtual]</code></td>
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<p>
Use to specify x-y-z point coordinates when extracting the region closest to a specified point. 
</div>
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<a class="anchor" name="03b0adab335491a96396671f4e04d3c2"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetClosestPoint" ref="03b0adab335491a96396671f4e04d3c2" args="(double data[3])" -->
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          <td class="memname">virtual void vtkPolyDataConnectivityFilter::GetClosestPoint           </td>
          <td>(</td>
          <td class="paramtype">double&nbsp;</td>
          <td class="paramname"> <em>data</em>[3]          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [virtual]</code></td>
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<p>
Use to specify x-y-z point coordinates when extracting the region closest to a specified point. 
</div>
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<a class="anchor" name="b2b26e454c26e3e37654f1a4acb2385e"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetNumberOfExtractedRegions" ref="b2b26e454c26e3e37654f1a4acb2385e" args="()" -->
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Obtain the number of connected regions. 
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<a class="anchor" name="13c528a2cbb56891fd9c41af37e7089d"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SetColorRegions" ref="13c528a2cbb56891fd9c41af37e7089d" args="(int)" -->
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          <td class="memname">virtual void vtkPolyDataConnectivityFilter::SetColorRegions           </td>
          <td>(</td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [virtual]</code></td>
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Turn on/off the coloring of connected regions. 
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<a class="anchor" name="f74a0c05ba4e9738956e8dcd59e75aa6"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::GetColorRegions" ref="f74a0c05ba4e9738956e8dcd59e75aa6" args="()" -->
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          <td><code> [virtual]</code></td>
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<p>
Turn on/off the coloring of connected regions. 
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<a class="anchor" name="dfadae5c47d3837c94b45048765807b6"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::ColorRegionsOn" ref="dfadae5c47d3837c94b45048765807b6" args="()" -->
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          <td><code> [virtual]</code></td>
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Turn on/off the coloring of connected regions. 
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<a class="anchor" name="6c8c87ab50cb98704417496c0048ae02"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::ColorRegionsOff" ref="6c8c87ab50cb98704417496c0048ae02" args="()" -->
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          <td class="memname">virtual void vtkPolyDataConnectivityFilter::ColorRegionsOff           </td>
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          <td><code> [virtual]</code></td>
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Turn on/off the coloring of connected regions. 
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<a class="anchor" name="015dde988ec619fd7241089868e3cf64"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::RequestData" ref="015dde988ec619fd7241089868e3cf64" args="(vtkInformation *, vtkInformationVector **, vtkInformationVector *)" -->
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          <td class="paramname"> <em>request</em>, </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="a01261.html#6b5a43ab1f9bbcb368c7dc83e4afe068">vtkPolyDataAlgorithm</a>.</p>

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<a class="anchor" name="3b93c0ced3504156089abbbfcffec10d"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::TraverseAndMark" ref="3b93c0ced3504156089abbbfcffec10d" args="()" -->
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="7e98438473dcfa326e8aaf2cb11d3292"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::ColorRegions" ref="7e98438473dcfa326e8aaf2cb11d3292" args="" -->
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          <td class="memname">int <a class="el" href="a01263.html#7e98438473dcfa326e8aaf2cb11d3292">vtkPolyDataConnectivityFilter::ColorRegions</a><code> [protected]</code>          </td>
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<p>Definition at line <a class="el" href="a04406.html#l00150">150</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="7e75674b37d89d5dbcc298b95e0c2d30"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::ExtractionMode" ref="7e75674b37d89d5dbcc298b95e0c2d30" args="" -->
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          <td class="memname">int <a class="el" href="a01263.html#7e75674b37d89d5dbcc298b95e0c2d30">vtkPolyDataConnectivityFilter::ExtractionMode</a><code> [protected]</code>          </td>
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<p>Definition at line <a class="el" href="a04406.html#l00151">151</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="82481e35b5195b457ec5ab717bda331f"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::Seeds" ref="82481e35b5195b457ec5ab717bda331f" args="" -->
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          <td class="memname"><a class="el" href="a00720.html">vtkIdList</a>* <a class="el" href="a01263.html#82481e35b5195b457ec5ab717bda331f">vtkPolyDataConnectivityFilter::Seeds</a><code> [protected]</code>          </td>
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<p>Definition at line <a class="el" href="a04406.html#l00152">152</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="d38a9c41a0b950a1fb6963ec9fe4ba03"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::SpecifiedRegionIds" ref="d38a9c41a0b950a1fb6963ec9fe4ba03" args="" -->
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          <td class="memname"><a class="el" href="a00720.html">vtkIdList</a>* <a class="el" href="a01263.html#d38a9c41a0b950a1fb6963ec9fe4ba03">vtkPolyDataConnectivityFilter::SpecifiedRegionIds</a><code> [protected]</code>          </td>
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<p>Definition at line <a class="el" href="a04406.html#l00153">153</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="2986b2c265fdd11e1936627347c0f3e7"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::RegionSizes" ref="2986b2c265fdd11e1936627347c0f3e7" args="" -->
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          <td class="memname"><a class="el" href="a00722.html">vtkIdTypeArray</a>* <a class="el" href="a01263.html#2986b2c265fdd11e1936627347c0f3e7">vtkPolyDataConnectivityFilter::RegionSizes</a><code> [protected]</code>          </td>
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<p>Definition at line <a class="el" href="a04406.html#l00154">154</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="21e5a4a2de3a9c2d7303b332693f01d6"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::ClosestPoint" ref="21e5a4a2de3a9c2d7303b332693f01d6" args="[3]" -->
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          <td class="memname">double <a class="el" href="a01263.html#21e5a4a2de3a9c2d7303b332693f01d6">vtkPolyDataConnectivityFilter::ClosestPoint</a>[3]<code> [protected]</code>          </td>
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<p>Definition at line <a class="el" href="a04406.html#l00156">156</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="75baecde6189529cbf39e70adf3bf715"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::ScalarConnectivity" ref="75baecde6189529cbf39e70adf3bf715" args="" -->
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          <td class="memname">int <a class="el" href="a01263.html#75baecde6189529cbf39e70adf3bf715">vtkPolyDataConnectivityFilter::ScalarConnectivity</a><code> [protected]</code>          </td>
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<p>Definition at line <a class="el" href="a04406.html#l00158">158</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<a class="anchor" name="c2bddf91005f917a58efb5e47b40dc8f"></a><!-- doxytag: member="vtkPolyDataConnectivityFilter::ScalarRange" ref="c2bddf91005f917a58efb5e47b40dc8f" args="[2]" -->
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<p>Definition at line <a class="el" href="a04406.html#l00159">159</a> of file <a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a>.</p>

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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Graphics/<a class="el" href="a04406.html">vtkPolyDataConnectivityFilter.h</a></ul>
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<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:25:36 2009 for VTK by&nbsp;
<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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