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<h1>vtkImageNonMaximumSuppression Class Reference</h1><!-- doxytag: class="vtkImageNonMaximumSuppression" --><!-- doxytag: inherits="vtkThreadedImageAlgorithm" --><code>#include <<a class="el" href="a04730.html">vtkImageNonMaximumSuppression.h</a>></code>
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Inheritance diagram for vtkImageNonMaximumSuppression:</div>
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Collaboration diagram for vtkImageNonMaximumSuppression:</div>
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<p><center><img src="a11058.png" border="0" usemap="#a11059" alt="Collaboration graph"></center>
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<a href="a11060.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
Performs non-maximum suppression.
<p>
<a class="el" href="a00804.html" title="Performs non-maximum suppression.">vtkImageNonMaximumSuppression</a> Sets to zero any pixel that is not a peak. If a pixel has a neighbor along the vector that has larger magnitude, the smaller pixel is set to zero. The filter takes two inputs: a magnitude and a vector. Output is magnitude information and is always in doubles. Typically this filter is used with <a class="el" href="a00770.html" title="Computes the gradient vector.">vtkImageGradient</a> and <a class="el" href="a00771.html" title="Computes magnitude of the gradient.">vtkImageGradientMagnitude</a> as inputs.<p>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_8.html#c2_vtk_t_vtkImageNonMaximumSuppression">vtkImageNonMaximumSuppression (Tests)</a> </dd></dl>
<p>Definition at line <a class="el" href="a04730.html#l00038">38</a> of file <a class="el" href="a04730.html">vtkImageNonMaximumSuppression.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="a01705.html">vtkThreadedImageAlgorithm</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#2f16dd540e2a6a95c451f65f822deeee">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="a00804.html#88bc8e81b9415ae8f82d5404b297f876">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="a00804.html#732ce50d5a29eb0fca7bbe6505672fba">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="a00804.html#0147fb41a3edf2f4d19590cc363add7f">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#d89a08f39af0e23bf16cedee2d19ed6a">SetMagnitudeInput</a> (<a class="el" href="a00751.html">vtkImageData</a> *input)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#a051bef2b21e88131d2741c23b45b58b">SetVectorInput</a> (<a class="el" href="a00751.html">vtkImageData</a> *input)</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="a00804.html#e8f14c2cceede4658d215d86967d9828">SetHandleBoundaries</a> (int)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#ed8faeb5009001e9804f977444ec1beb">GetHandleBoundaries</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#1bb3c7455f54a58ccdefc4416914f020">HandleBoundariesOn</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#c484c18624127951e1dee9f8599a8268">HandleBoundariesOff</a> ()</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="a00804.html#801120a17e0108ffdb79983b477400a3">SetDimensionality</a> (int)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#968699b171d52ac3833be131ada062e7">GetDimensionality</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">static <br>
<a class="el" href="a00804.html">vtkImageNonMaximumSuppression</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#613beaa41603c8a737612d0a78544a5e">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="a00804.html#f20a4f29b75378803d615987bdaf9288">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <br>
<a class="el" href="a00804.html">vtkImageNonMaximumSuppression</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#2080341a6aaaf87e2b1e78aa595c1a01">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="a00804.html#66e19ee6fd129b9c9a28da1dca2ac9a8">vtkImageNonMaximumSuppression</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#e4311daa0d18c0b245a308d962a52d91">~vtkImageNonMaximumSuppression</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#ee8fe51bc5f106c78eed251318dd10b8">RequestInformation</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">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#9221069ec4e9c2e989ec232c5c52c4c3">RequestUpdateExtent</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">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#cafff8296b621a95b9a1f46657aa72b3">ThreadedRequestData</a> (<a class="el" href="a00872.html">vtkInformation</a> *request, <a class="el" href="a00895.html">vtkInformationVector</a> **inputVector, <a class="el" href="a00895.html">vtkInformationVector</a> *outputVector, <a class="el" href="a00751.html">vtkImageData</a> ***inData, <a class="el" href="a00751.html">vtkImageData</a> **outData, int extent[6], int threadId)</td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#a38d44dd34b5211899d59f55d3496691">HandleBoundaries</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00804.html#7ebaa068945d750d02537e046163decf">Dimensionality</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="2f16dd540e2a6a95c451f65f822deeee"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::Superclass" ref="2f16dd540e2a6a95c451f65f822deeee" args="" -->
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<td class="memname">typedef <a class="el" href="a01705.html">vtkThreadedImageAlgorithm</a> <a class="el" href="a01705.html">vtkImageNonMaximumSuppression::Superclass</a> </td>
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<p>Reimplemented from <a class="el" href="a01705.html#67876177e53dbc18f91b9b50f8f03331">vtkThreadedImageAlgorithm</a>.</p>
<p>Definition at line <a class="el" href="a04730.html#l00042">42</a> of file <a class="el" href="a04730.html">vtkImageNonMaximumSuppression.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="66e19ee6fd129b9c9a28da1dca2ac9a8"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::vtkImageNonMaximumSuppression" ref="66e19ee6fd129b9c9a28da1dca2ac9a8" args="()" -->
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<td class="memname">vtkImageNonMaximumSuppression::vtkImageNonMaximumSuppression </td>
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<td><code> [protected]</code></td>
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<a class="anchor" name="e4311daa0d18c0b245a308d962a52d91"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::~vtkImageNonMaximumSuppression" ref="e4311daa0d18c0b245a308d962a52d91" args="()" -->
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<td class="memname">vtkImageNonMaximumSuppression::~vtkImageNonMaximumSuppression </td>
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<td><code> [inline, protected]</code></td>
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<p>Definition at line <a class="el" href="a04730.html#l00068">68</a> of file <a class="el" href="a04730.html">vtkImageNonMaximumSuppression.h</a>.</p>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="613beaa41603c8a737612d0a78544a5e"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::New" ref="613beaa41603c8a737612d0a78544a5e" args="()" -->
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<td class="memname">static <a class="el" href="a00804.html">vtkImageNonMaximumSuppression</a>* vtkImageNonMaximumSuppression::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="a00101.html#06d80d8d4aa1a4856135fa003845be82">vtkAlgorithm</a>.</p>
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<a class="anchor" name="88bc8e81b9415ae8f82d5404b297f876"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::GetClassName" ref="88bc8e81b9415ae8f82d5404b297f876" args="()" -->
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<td class="memname">virtual const char* vtkImageNonMaximumSuppression::GetClassName </td>
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<td><code> [virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a01705.html#8622c920af18a6521f427d7b70613faa">vtkThreadedImageAlgorithm</a>.</p>
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<a class="anchor" name="f20a4f29b75378803d615987bdaf9288"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::IsTypeOf" ref="f20a4f29b75378803d615987bdaf9288" args="(const char *type)" -->
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<td class="memname">static int vtkImageNonMaximumSuppression::IsTypeOf </td>
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<td class="paramtype">const char * </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="a01705.html#1e20b0feec3712e39d352e47d582ff4e">vtkThreadedImageAlgorithm</a>.</p>
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<a class="anchor" name="732ce50d5a29eb0fca7bbe6505672fba"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::IsA" ref="732ce50d5a29eb0fca7bbe6505672fba" args="(const char *type)" -->
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<td class="memname">virtual int vtkImageNonMaximumSuppression::IsA </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="a01705.html#250ac29fa902a270b6f94702f7f24e9b">vtkThreadedImageAlgorithm</a>.</p>
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<a class="anchor" name="2080341a6aaaf87e2b1e78aa595c1a01"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::SafeDownCast" ref="2080341a6aaaf87e2b1e78aa595c1a01" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a00804.html">vtkImageNonMaximumSuppression</a>* vtkImageNonMaximumSuppression::SafeDownCast </td>
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<p>Reimplemented from <a class="el" href="a01705.html#def8b2b0abda015b495884db6f717625">vtkThreadedImageAlgorithm</a>.</p>
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<a class="anchor" name="0147fb41a3edf2f4d19590cc363add7f"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::PrintSelf" ref="0147fb41a3edf2f4d19590cc363add7f" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">void vtkImageNonMaximumSuppression::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="a01705.html#53dc14a03ab6cffae0ca5cadb2c6d172">vtkThreadedImageAlgorithm</a>.</p>
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<a class="anchor" name="d89a08f39af0e23bf16cedee2d19ed6a"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::SetMagnitudeInput" ref="d89a08f39af0e23bf16cedee2d19ed6a" args="(vtkImageData *input)" -->
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<td class="memname">void vtkImageNonMaximumSuppression::SetMagnitudeInput </td>
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Set the magnitude and vector inputs.
<p>Definition at line <a class="el" href="a04730.html#l00047">47</a> of file <a class="el" href="a04730.html">vtkImageNonMaximumSuppression.h</a>.</p>
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<a class="anchor" name="a051bef2b21e88131d2741c23b45b58b"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::SetVectorInput" ref="a051bef2b21e88131d2741c23b45b58b" args="(vtkImageData *input)" -->
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<td class="memname">void vtkImageNonMaximumSuppression::SetVectorInput </td>
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Set the magnitude and vector inputs.
<p>Definition at line <a class="el" href="a04730.html#l00048">48</a> of file <a class="el" href="a04730.html">vtkImageNonMaximumSuppression.h</a>.</p>
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<a class="anchor" name="e8f14c2cceede4658d215d86967d9828"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::SetHandleBoundaries" ref="e8f14c2cceede4658d215d86967d9828" args="(int)" -->
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<td class="memname">virtual void vtkImageNonMaximumSuppression::SetHandleBoundaries </td>
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<td class="paramtype">int </td>
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<td><code> [virtual]</code></td>
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If "HandleBoundariesOn" then boundary pixels are duplicated So central differences can get values.
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<a class="anchor" name="ed8faeb5009001e9804f977444ec1beb"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::GetHandleBoundaries" ref="ed8faeb5009001e9804f977444ec1beb" args="()" -->
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<td class="memname">virtual int vtkImageNonMaximumSuppression::GetHandleBoundaries </td>
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<td><code> [virtual]</code></td>
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If "HandleBoundariesOn" then boundary pixels are duplicated So central differences can get values.
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<a class="anchor" name="1bb3c7455f54a58ccdefc4416914f020"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::HandleBoundariesOn" ref="1bb3c7455f54a58ccdefc4416914f020" args="()" -->
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<td class="memname">virtual void vtkImageNonMaximumSuppression::HandleBoundariesOn </td>
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If "HandleBoundariesOn" then boundary pixels are duplicated So central differences can get values.
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<a class="anchor" name="c484c18624127951e1dee9f8599a8268"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::HandleBoundariesOff" ref="c484c18624127951e1dee9f8599a8268" args="()" -->
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<td class="memname">virtual void vtkImageNonMaximumSuppression::HandleBoundariesOff </td>
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If "HandleBoundariesOn" then boundary pixels are duplicated So central differences can get values.
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<a class="anchor" name="801120a17e0108ffdb79983b477400a3"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::SetDimensionality" ref="801120a17e0108ffdb79983b477400a3" args="(int)" -->
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<td class="memname">virtual void vtkImageNonMaximumSuppression::SetDimensionality </td>
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Determines how the input is interpreted (set of 2d slices or a 3D volume)
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<a class="anchor" name="968699b171d52ac3833be131ada062e7"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::GetDimensionality" ref="968699b171d52ac3833be131ada062e7" args="()" -->
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<td class="memname">virtual int vtkImageNonMaximumSuppression::GetDimensionality </td>
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Determines how the input is interpreted (set of 2d slices or a 3D volume)
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<a class="anchor" name="ee8fe51bc5f106c78eed251318dd10b8"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::RequestInformation" ref="ee8fe51bc5f106c78eed251318dd10b8" args="(vtkInformation *, vtkInformationVector **, vtkInformationVector *)" -->
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<td class="memname">virtual int vtkImageNonMaximumSuppression::RequestInformation </td>
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<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> ** </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="a00727.html#b739abd84881f7e31a8a382bf5a06a91">vtkImageAlgorithm</a>.</p>
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<a class="anchor" name="9221069ec4e9c2e989ec232c5c52c4c3"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::RequestUpdateExtent" ref="9221069ec4e9c2e989ec232c5c52c4c3" args="(vtkInformation *, vtkInformationVector **, vtkInformationVector *)" -->
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<td class="memname">virtual int vtkImageNonMaximumSuppression::RequestUpdateExtent </td>
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<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> * </td>
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<td></td><td></td><td><code> [protected, virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a00727.html#442e91c5e549f40acffb0941846cb047">vtkImageAlgorithm</a>.</p>
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<a class="anchor" name="cafff8296b621a95b9a1f46657aa72b3"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::ThreadedRequestData" ref="cafff8296b621a95b9a1f46657aa72b3" args="(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector, vtkImageData ***inData, vtkImageData **outData, int extent[6], int threadId)" -->
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<td class="memname">virtual void vtkImageNonMaximumSuppression::ThreadedRequestData </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="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>
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<td class="paramtype"><a class="el" href="a00751.html">vtkImageData</a> *** </td>
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<td class="paramtype"><a class="el" href="a00751.html">vtkImageData</a> ** </td>
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If the subclass does not define an Execute method, then the task will be broken up, multiple threads will be spawned, and each thread will call this method. It is public so that the thread functions can call this method.
<p>Reimplemented from <a class="el" href="a01705.html#dda52b8ad4b703ee11c76b916accbb42">vtkThreadedImageAlgorithm</a>.</p>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="a38d44dd34b5211899d59f55d3496691"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::HandleBoundaries" ref="a38d44dd34b5211899d59f55d3496691" args="" -->
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<td class="memname">int <a class="el" href="a00804.html#a38d44dd34b5211899d59f55d3496691">vtkImageNonMaximumSuppression::HandleBoundaries</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04730.html#l00068">68</a> of file <a class="el" href="a04730.html">vtkImageNonMaximumSuppression.h</a>.</p>
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<a class="anchor" name="7ebaa068945d750d02537e046163decf"></a><!-- doxytag: member="vtkImageNonMaximumSuppression::Dimensionality" ref="7ebaa068945d750d02537e046163decf" args="" -->
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<td class="memname">int <a class="el" href="a00804.html#7ebaa068945d750d02537e046163decf">vtkImageNonMaximumSuppression::Dimensionality</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04730.html#l00071">71</a> of file <a class="el" href="a04730.html">vtkImageNonMaximumSuppression.h</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Imaging/<a class="el" href="a04730.html">vtkImageNonMaximumSuppression.h</a></ul>
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<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:10:16 2009 for VTK by
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