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<h1>vtkImageCityBlockDistance Class Reference</h1><!-- doxytag: class="vtkImageCityBlockDistance" --><!-- doxytag: inherits="vtkImageDecomposeFilter" --><code>#include &lt;<a class="el" href="a04676.html">vtkImageCityBlockDistance.h</a>&gt;</code>
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Inheritance diagram for vtkImageCityBlockDistance:</div>
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Collaboration diagram for vtkImageCityBlockDistance:</div>
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<a href="a10748.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
1,2 or 3D distance map. 
<p>
<a class="el" href="a00740.html" title="1,2 or 3D distance map.">vtkImageCityBlockDistance</a> creates a distance map using the city block (Manhatten) distance measure. The input is a mask. Zero values are considered boundaries. The output pixel is the minimum of the input pixel and the distance to a boundary (or neighbor value + 1 unit). distance values are calculated in pixels. The filter works by taking 6 passes (for 3d distance map): 2 along each axis (forward and backward). Each pass keeps a running minimum distance. For some reason, I preserve the sign if the distance. If the input mask is initially negative, the output distances will be negative. Distances maps can have inside (negative regions) and outsides (positive regions).<p>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_8.html#c2_vtk_t_vtkImageCityBlockDistance">vtkImageCityBlockDistance (Tests)</a> </dd></dl>

<p>Definition at line <a class="el" href="a04676.html#l00040">40</a> of file <a class="el" href="a04676.html">vtkImageCityBlockDistance.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="a00754.html">vtkImageDecomposeFilter</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00740.html#c8c4ba860a03ccbcf3819d116e71c9fe">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="a00740.html#2240ede1ab76e74841c699d260139aa3">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="a00740.html#3df8e97569e92f52b999beebf8a6c976">IsA</a> (const char *type)</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="a00740.html">vtkImageCityBlockDistance</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00740.html#b6b0cccc2aa4fd128c145e5765c78b6d">New</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">static int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00740.html#a2fe06b6ae43ab14866b1c6979b50fd1">IsTypeOf</a> (const char *type)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00740.html">vtkImageCityBlockDistance</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00740.html#035d990b25f26e035056b2f5b50bd333">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">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00740.html#e4e265244708b2f67b8de2b46df07617">vtkImageCityBlockDistance</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00740.html#fdf88b297140814e96d64f681406f7b5">~vtkImageCityBlockDistance</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="a00740.html#d6c0b4698eef9d988c7a787c44309c3a">IterativeRequestUpdateExtent</a> (<a class="el" href="a00872.html">vtkInformation</a> *in, <a class="el" href="a00872.html">vtkInformation</a> *out)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00740.html#7f1fb304b9b35ef77c4d710362a3f08a">IterativeRequestData</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="a00740.html#a90472063815a3c805a943604dc34106">AllocateOutputScalars</a> (<a class="el" href="a00751.html">vtkImageData</a> *outData, int *updateExtent, int *wholeExtent)</td></tr>

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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="c8c4ba860a03ccbcf3819d116e71c9fe"></a><!-- doxytag: member="vtkImageCityBlockDistance::Superclass" ref="c8c4ba860a03ccbcf3819d116e71c9fe" args="" -->
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          <td class="memname">typedef <a class="el" href="a00754.html">vtkImageDecomposeFilter</a> <a class="el" href="a00754.html">vtkImageCityBlockDistance::Superclass</a>          </td>
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<p>
Construct an instance of <a class="el" href="a00754.html" title="Filters that execute axes in series.">vtkImageDecomposeFilter</a> filter with default dimensionality 3. 
<p>Reimplemented from <a class="el" href="a00754.html#29a3ce8144b1e546a61851d03a5f53cd">vtkImageDecomposeFilter</a>.</p>

<p>Definition at line <a class="el" href="a04676.html#l00044">44</a> of file <a class="el" href="a04676.html">vtkImageCityBlockDistance.h</a>.</p>

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<hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="e4e265244708b2f67b8de2b46df07617"></a><!-- doxytag: member="vtkImageCityBlockDistance::vtkImageCityBlockDistance" ref="e4e265244708b2f67b8de2b46df07617" args="()" -->
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          <td class="memname">vtkImageCityBlockDistance::vtkImageCityBlockDistance           </td>
          <td>(</td>
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          <td><code> [protected]</code></td>
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<p>

</div>
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<a class="anchor" name="fdf88b297140814e96d64f681406f7b5"></a><!-- doxytag: member="vtkImageCityBlockDistance::~vtkImageCityBlockDistance" ref="fdf88b297140814e96d64f681406f7b5" args="()" -->
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          <td class="memname">vtkImageCityBlockDistance::~vtkImageCityBlockDistance           </td>
          <td>(</td>
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          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline, protected]</code></td>
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<p>Definition at line <a class="el" href="a04676.html#l00048">48</a> of file <a class="el" href="a04676.html">vtkImageCityBlockDistance.h</a>.</p>

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</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="b6b0cccc2aa4fd128c145e5765c78b6d"></a><!-- doxytag: member="vtkImageCityBlockDistance::New" ref="b6b0cccc2aa4fd128c145e5765c78b6d" args="()" -->
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          <td class="memname">static <a class="el" href="a00740.html">vtkImageCityBlockDistance</a>* vtkImageCityBlockDistance::New           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [static]</code></td>
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<p>
Create an object with Debug turned off, modified time initialized to zero, and reference counting on. 
<p>Reimplemented from <a class="el" href="a00101.html#06d80d8d4aa1a4856135fa003845be82">vtkAlgorithm</a>.</p>

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</div><p>
<a class="anchor" name="2240ede1ab76e74841c699d260139aa3"></a><!-- doxytag: member="vtkImageCityBlockDistance::GetClassName" ref="2240ede1ab76e74841c699d260139aa3" args="()" -->
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          <td class="memname">virtual const char* vtkImageCityBlockDistance::GetClassName           </td>
          <td>(</td>
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          <td>&nbsp;)&nbsp;</td>
          <td><code> [virtual]</code></td>
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<p>
Construct an instance of <a class="el" href="a00754.html" title="Filters that execute axes in series.">vtkImageDecomposeFilter</a> filter with default dimensionality 3. 
<p>Reimplemented from <a class="el" href="a00754.html#6d9e8e6cd31aed57bfd0d09af8189401">vtkImageDecomposeFilter</a>.</p>

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<a class="anchor" name="a2fe06b6ae43ab14866b1c6979b50fd1"></a><!-- doxytag: member="vtkImageCityBlockDistance::IsTypeOf" ref="a2fe06b6ae43ab14866b1c6979b50fd1" args="(const char *type)" -->
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          <td class="memname">static int vtkImageCityBlockDistance::IsTypeOf           </td>
          <td>(</td>
          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>type</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [static]</code></td>
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      </table>
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<p>
Construct an instance of <a class="el" href="a00754.html" title="Filters that execute axes in series.">vtkImageDecomposeFilter</a> filter with default dimensionality 3. 
<p>Reimplemented from <a class="el" href="a00754.html#2c2a8a0788162e3140256d60324670e9">vtkImageDecomposeFilter</a>.</p>

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<a class="anchor" name="3df8e97569e92f52b999beebf8a6c976"></a><!-- doxytag: member="vtkImageCityBlockDistance::IsA" ref="3df8e97569e92f52b999beebf8a6c976" args="(const char *type)" -->
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          <td class="memname">virtual int vtkImageCityBlockDistance::IsA           </td>
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          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>type</em>          </td>
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          <td><code> [virtual]</code></td>
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<p>
Construct an instance of <a class="el" href="a00754.html" title="Filters that execute axes in series.">vtkImageDecomposeFilter</a> filter with default dimensionality 3. 
<p>Reimplemented from <a class="el" href="a00754.html#9194e6fc66e38171a5d9a9f3d2b930f1">vtkImageDecomposeFilter</a>.</p>

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<a class="anchor" name="035d990b25f26e035056b2f5b50bd333"></a><!-- doxytag: member="vtkImageCityBlockDistance::SafeDownCast" ref="035d990b25f26e035056b2f5b50bd333" args="(vtkObject *o)" -->
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          <td class="memname">static <a class="el" href="a00740.html">vtkImageCityBlockDistance</a>* vtkImageCityBlockDistance::SafeDownCast           </td>
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          <td class="paramtype"><a class="el" href="a01084.html">vtkObject</a> *&nbsp;</td>
          <td class="paramname"> <em>o</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [static]</code></td>
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<p>
Construct an instance of <a class="el" href="a00754.html" title="Filters that execute axes in series.">vtkImageDecomposeFilter</a> filter with default dimensionality 3. 
<p>Reimplemented from <a class="el" href="a00754.html#8cde810d4cd4a1c33078f85b8ea25d5f">vtkImageDecomposeFilter</a>.</p>

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<a class="anchor" name="d6c0b4698eef9d988c7a787c44309c3a"></a><!-- doxytag: member="vtkImageCityBlockDistance::IterativeRequestUpdateExtent" ref="d6c0b4698eef9d988c7a787c44309c3a" args="(vtkInformation *in, vtkInformation *out)" -->
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          <td class="memname">virtual int vtkImageCityBlockDistance::IterativeRequestUpdateExtent           </td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [protected, virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a00782.html#e39cb15d7b8f1e565a8b7cb21c0e3ee6">vtkImageIterateFilter</a>.</p>

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<a class="anchor" name="7f1fb304b9b35ef77c4d710362a3f08a"></a><!-- doxytag: member="vtkImageCityBlockDistance::IterativeRequestData" ref="7f1fb304b9b35ef77c4d710362a3f08a" args="(vtkInformation *, vtkInformationVector **, vtkInformationVector *)" -->
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          <td class="memname">virtual int vtkImageCityBlockDistance::IterativeRequestData           </td>
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          <td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> **&nbsp;</td>
          <td class="paramname">, </td>
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          <td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> *&nbsp;</td>
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          <td>)</td>
          <td></td><td></td><td><code> [protected, virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a00782.html#9870e84b814babb902d21fcbd5a2618f">vtkImageIterateFilter</a>.</p>

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<a class="anchor" name="a90472063815a3c805a943604dc34106"></a><!-- doxytag: member="vtkImageCityBlockDistance::AllocateOutputScalars" ref="a90472063815a3c805a943604dc34106" args="(vtkImageData *outData, int *updateExtent, int *wholeExtent)" -->
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          <td class="memname">void vtkImageCityBlockDistance::AllocateOutputScalars           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00751.html">vtkImageData</a> *&nbsp;</td>
          <td class="paramname"> <em>outData</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>updateExtent</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>wholeExtent</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [protected]</code></td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Imaging/<a class="el" href="a04676.html">vtkImageCityBlockDistance.h</a></ul>
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<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:08:47 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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