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<h1>vtkImageGradientMagnitude Class Reference</h1><!-- doxytag: class="vtkImageGradientMagnitude" --><!-- doxytag: inherits="vtkThreadedImageAlgorithm" --><code>#include <<a class="el" href="a04703.html">vtkImageGradientMagnitude.h</a>></code>
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Inheritance diagram for vtkImageGradientMagnitude:</div>
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
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Collaboration diagram for vtkImageGradientMagnitude:</div>
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<p><center><img src="a10895.png" border="0" usemap="#a10896" alt="Collaboration graph"></center>
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<p>
<a href="a10897.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
Computes magnitude of the gradient.
<p>
<a class="el" href="a00771.html" title="Computes magnitude of the gradient.">vtkImageGradientMagnitude</a> computes the gradient magnitude of an image. Setting the dimensionality determines whether the gradient is computed on 2D images, or 3D volumes. The default is two dimensional XY images.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="a00770.html" title="Computes the gradient vector.">vtkImageGradient</a> <a class="el" href="a00789.html" title="Colapses components with magnitude function..">vtkImageMagnitude</a></dd></dl>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_8.html#c2_vtk_t_vtkImageGradientMagnitude">vtkImageGradientMagnitude (Tests)</a> </dd></dl>
<p>Definition at line <a class="el" href="a04703.html#l00036">36</a> of file <a class="el" href="a04703.html">vtkImageGradientMagnitude.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="a00771.html#b8af3efc5789b5fda7f0326985f9ea66">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="a00771.html#4b56a87109e2a4e8afcb1f80028a0d51">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="a00771.html#ce05cb49a70d5e75451dd9f08d43ff03">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="a00771.html#9d073ca46b6991bfab024417e401ab07">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>
<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00771.html#fed45ef4b3662461a3426c962bc207dc">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="a00771.html#6c2d27d82d1068272588ec2707f97466">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="a00771.html#8db1b81536827ad79a25c2963cdbfb4a">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="a00771.html#46c79193535ddc198deee86fdacd077a">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="a00771.html#7d2cab6052e37d2d0e11afd57cdd3908">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="a00771.html#55e543942c212c0829d085f9ba9cd1b8">GetDimensionality</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00771.html">vtkImageGradientMagnitude</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00771.html#0f409bed086fb27b73aeb3bfbb67e9dd">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="a00771.html#16f10000d18ef04d97bd54387bad555f">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00771.html">vtkImageGradientMagnitude</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00771.html#e2ed67fb8bce8d9a0148d3a53fdefd8c">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="a00771.html#8cdca0fc5dd55f8801545f61b62b2a2d">vtkImageGradientMagnitude</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00771.html#4c994a55996c719e2c6708a9a8d5ff82">~vtkImageGradientMagnitude</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00771.html#8fd4afa5bfec79a32c9d82b59e8033ce">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="a00771.html#efd1eb074447930265210d54d587e3e2">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">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00771.html#9e2d89d0c2e130c554d0374a317790ca">ThreadedExecute</a> (<a class="el" href="a00751.html">vtkImageData</a> *inData, <a class="el" href="a00751.html">vtkImageData</a> *outData, int extent[6], int id)</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="a00771.html#3f5a75cb2f50ea48d83e6b123226d60b">HandleBoundaries</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00771.html#e39d770af82e92dbb491b0a2d8d4bfe7">Dimensionality</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="b8af3efc5789b5fda7f0326985f9ea66"></a><!-- doxytag: member="vtkImageGradientMagnitude::Superclass" ref="b8af3efc5789b5fda7f0326985f9ea66" args="" -->
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<td class="memname">typedef <a class="el" href="a01705.html">vtkThreadedImageAlgorithm</a> <a class="el" href="a01705.html">vtkImageGradientMagnitude::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="a04703.html#l00040">40</a> of file <a class="el" href="a04703.html">vtkImageGradientMagnitude.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="8cdca0fc5dd55f8801545f61b62b2a2d"></a><!-- doxytag: member="vtkImageGradientMagnitude::vtkImageGradientMagnitude" ref="8cdca0fc5dd55f8801545f61b62b2a2d" args="()" -->
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<td class="memname">vtkImageGradientMagnitude::vtkImageGradientMagnitude </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected]</code></td>
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<a class="anchor" name="4c994a55996c719e2c6708a9a8d5ff82"></a><!-- doxytag: member="vtkImageGradientMagnitude::~vtkImageGradientMagnitude" ref="4c994a55996c719e2c6708a9a8d5ff82" args="()" -->
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<td class="memname">vtkImageGradientMagnitude::~vtkImageGradientMagnitude </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [inline, protected]</code></td>
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<p>Definition at line <a class="el" href="a04703.html#l00059">59</a> of file <a class="el" href="a04703.html">vtkImageGradientMagnitude.h</a>.</p>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="0f409bed086fb27b73aeb3bfbb67e9dd"></a><!-- doxytag: member="vtkImageGradientMagnitude::New" ref="0f409bed086fb27b73aeb3bfbb67e9dd" args="()" -->
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<td class="memname">static <a class="el" href="a00771.html">vtkImageGradientMagnitude</a>* vtkImageGradientMagnitude::New </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<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="4b56a87109e2a4e8afcb1f80028a0d51"></a><!-- doxytag: member="vtkImageGradientMagnitude::GetClassName" ref="4b56a87109e2a4e8afcb1f80028a0d51" args="()" -->
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<td class="memname">virtual const char* vtkImageGradientMagnitude::GetClassName </td>
<td>(</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="16f10000d18ef04d97bd54387bad555f"></a><!-- doxytag: member="vtkImageGradientMagnitude::IsTypeOf" ref="16f10000d18ef04d97bd54387bad555f" args="(const char *type)" -->
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<td class="memname">static int vtkImageGradientMagnitude::IsTypeOf </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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Return 1 if this class type is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeRevisionMacro found in vtkSetGet.h.
<p>Reimplemented from <a class="el" href="a01705.html#1e20b0feec3712e39d352e47d582ff4e">vtkThreadedImageAlgorithm</a>.</p>
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<a class="anchor" name="ce05cb49a70d5e75451dd9f08d43ff03"></a><!-- doxytag: member="vtkImageGradientMagnitude::IsA" ref="ce05cb49a70d5e75451dd9f08d43ff03" args="(const char *type)" -->
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<td class="memname">virtual int vtkImageGradientMagnitude::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="a01705.html#250ac29fa902a270b6f94702f7f24e9b">vtkThreadedImageAlgorithm</a>.</p>
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<a class="anchor" name="e2ed67fb8bce8d9a0148d3a53fdefd8c"></a><!-- doxytag: member="vtkImageGradientMagnitude::SafeDownCast" ref="e2ed67fb8bce8d9a0148d3a53fdefd8c" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a00771.html">vtkImageGradientMagnitude</a>* vtkImageGradientMagnitude::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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<td><code> [static]</code></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="9d073ca46b6991bfab024417e401ab07"></a><!-- doxytag: member="vtkImageGradientMagnitude::PrintSelf" ref="9d073ca46b6991bfab024417e401ab07" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">void vtkImageGradientMagnitude::PrintSelf </td>
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<td class="paramtype"><a class="el" href="a00869.html">vtkIndent</a> </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="fed45ef4b3662461a3426c962bc207dc"></a><!-- doxytag: member="vtkImageGradientMagnitude::SetHandleBoundaries" ref="fed45ef4b3662461a3426c962bc207dc" args="(int)" -->
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<td class="memname">virtual void vtkImageGradientMagnitude::SetHandleBoundaries </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="6c2d27d82d1068272588ec2707f97466"></a><!-- doxytag: member="vtkImageGradientMagnitude::GetHandleBoundaries" ref="6c2d27d82d1068272588ec2707f97466" args="()" -->
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<td class="memname">virtual int vtkImageGradientMagnitude::GetHandleBoundaries </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="8db1b81536827ad79a25c2963cdbfb4a"></a><!-- doxytag: member="vtkImageGradientMagnitude::HandleBoundariesOn" ref="8db1b81536827ad79a25c2963cdbfb4a" args="()" -->
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<td class="memname">virtual void vtkImageGradientMagnitude::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="46c79193535ddc198deee86fdacd077a"></a><!-- doxytag: member="vtkImageGradientMagnitude::HandleBoundariesOff" ref="46c79193535ddc198deee86fdacd077a" args="()" -->
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<td class="memname">virtual void vtkImageGradientMagnitude::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="7d2cab6052e37d2d0e11afd57cdd3908"></a><!-- doxytag: member="vtkImageGradientMagnitude::SetDimensionality" ref="7d2cab6052e37d2d0e11afd57cdd3908" args="(int)" -->
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<td class="memname">virtual void vtkImageGradientMagnitude::SetDimensionality </td>
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<td><code> [virtual]</code></td>
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Determines how the input is interpreted (set of 2d slices ...)
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<a class="anchor" name="55e543942c212c0829d085f9ba9cd1b8"></a><!-- doxytag: member="vtkImageGradientMagnitude::GetDimensionality" ref="55e543942c212c0829d085f9ba9cd1b8" args="()" -->
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<td class="memname">virtual int vtkImageGradientMagnitude::GetDimensionality </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Determines how the input is interpreted (set of 2d slices ...)
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<a class="anchor" name="8fd4afa5bfec79a32c9d82b59e8033ce"></a><!-- doxytag: member="vtkImageGradientMagnitude::RequestInformation" ref="8fd4afa5bfec79a32c9d82b59e8033ce" args="(vtkInformation *, vtkInformationVector **, vtkInformationVector *)" -->
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<td class="memname">virtual int vtkImageGradientMagnitude::RequestInformation </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00872.html">vtkInformation</a> * </td>
<td class="paramname">, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> ** </td>
<td class="paramname">, </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"></td><td> </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="a00727.html#b739abd84881f7e31a8a382bf5a06a91">vtkImageAlgorithm</a>.</p>
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<a class="anchor" name="efd1eb074447930265210d54d587e3e2"></a><!-- doxytag: member="vtkImageGradientMagnitude::RequestUpdateExtent" ref="efd1eb074447930265210d54d587e3e2" args="(vtkInformation *, vtkInformationVector **, vtkInformationVector *)" -->
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<td class="memname">virtual int vtkImageGradientMagnitude::RequestUpdateExtent </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00872.html">vtkInformation</a> * </td>
<td class="paramname">, </td>
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<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> ** </td>
<td class="paramname">, </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"></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [protected, virtual]</code></td>
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<p>
<p>Reimplemented from <a class="el" href="a00727.html#442e91c5e549f40acffb0941846cb047">vtkImageAlgorithm</a>.</p>
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<a class="anchor" name="9e2d89d0c2e130c554d0374a317790ca"></a><!-- doxytag: member="vtkImageGradientMagnitude::ThreadedExecute" ref="9e2d89d0c2e130c554d0374a317790ca" args="(vtkImageData *inData, vtkImageData *outData, int extent[6], int id)" -->
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<td class="memname">void vtkImageGradientMagnitude::ThreadedExecute </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00751.html">vtkImageData</a> * </td>
<td class="paramname"> <em>inData</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00751.html">vtkImageData</a> * </td>
<td class="paramname"> <em>outData</em>, </td>
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<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>extent</em>[6], </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>id</em></td><td> </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="a01705.html#6ba90d6d9626db478151ebf7d940122c">vtkThreadedImageAlgorithm</a>.</p>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="3f5a75cb2f50ea48d83e6b123226d60b"></a><!-- doxytag: member="vtkImageGradientMagnitude::HandleBoundaries" ref="3f5a75cb2f50ea48d83e6b123226d60b" args="" -->
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<td class="memname">int <a class="el" href="a00771.html#3f5a75cb2f50ea48d83e6b123226d60b">vtkImageGradientMagnitude::HandleBoundaries</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04703.html#l00059">59</a> of file <a class="el" href="a04703.html">vtkImageGradientMagnitude.h</a>.</p>
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<a class="anchor" name="e39d770af82e92dbb491b0a2d8d4bfe7"></a><!-- doxytag: member="vtkImageGradientMagnitude::Dimensionality" ref="e39d770af82e92dbb491b0a2d8d4bfe7" args="" -->
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<td class="memname">int <a class="el" href="a00771.html#e39d770af82e92dbb491b0a2d8d4bfe7">vtkImageGradientMagnitude::Dimensionality</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04703.html#l00062">62</a> of file <a class="el" href="a04703.html">vtkImageGradientMagnitude.h</a>.</p>
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</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Imaging/<a class="el" href="a04703.html">vtkImageGradientMagnitude.h</a></ul>
</div>
<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:09:34 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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