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<title>ITK: itk::PixelAccessor< TInternalType, TExternalType > Class Template Reference</title>
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<div class="navpath"><a class="el" href="namespaceitk.html">itk</a>::<a class="el" href="classitk_1_1PixelAccessor.html">PixelAccessor</a>
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<h1>itk::PixelAccessor< TInternalType, TExternalType > Class Template Reference<br>
<small>
[<a class="el" href="group__ImageAdaptors.html">Image Adaptors</a>]</small>
</h1><!-- doxytag: class="itk::PixelAccessor" -->Give access to partial aspects of a type.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="itkPixelAccessor_8h_source.html">itkPixelAccessor.h</a>></code>
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<p>
<a href="classitk_1_1PixelAccessor-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef TExternalType </td><td class="memItemRight" valign="bottom"><a class="el" href="classitk_1_1PixelAccessor.html#db175ac6f11e3c6251720b7ba055c7e6">ExternalType</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef TInternalType </td><td class="memItemRight" valign="bottom"><a class="el" href="classitk_1_1PixelAccessor.html#8aaaf70e47fd13940ddb6e5cd143cd72">InternalType</a></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">TExternalType </td><td class="memItemRight" valign="bottom"><a class="el" href="classitk_1_1PixelAccessor.html#18c56f7ff456f50abc1f7042f5aa7f39">Get</a> (const TInternalType &input) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitk_1_1PixelAccessor.html#737ca1ed6f9460bcd67054da6d61e84b">Set</a> (TInternalType &output, const TExternalType &input) const </td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
<h3>template<class TInternalType, class TExternalType><br>
class itk::PixelAccessor< TInternalType, TExternalType ></h3>
Give access to partial aspects of a type.
<p>
<a class="el" href="classitk_1_1PixelAccessor.html" title="Give access to partial aspects of a type.">PixelAccessor</a> is templated over an internal type and an external type representation. This class encapsulates a customized convertion between the internal and external type representations.<p>
<a class="el" href="classitk_1_1PixelAccessor.html" title="Give access to partial aspects of a type.">PixelAccessor</a> is designed to be used in conjuntion with ImageAdaptors. An <a class="el" href="classitk_1_1ImageAdaptor.html" title="Give access to partial aspects of voxels from an Image.">ImageAdaptor</a> take an image and present it as another image in which the pixels are a pixel-to-pixel modification of the original image.<p>
ImageAdaptors are intended to perform task similar to ImageFilters, but reducing the overhead in memory allocation, at the price of some reduction in performance.<p>
ImageAdaptors are templated over a <a class="el" href="classitk_1_1PixelAccessor.html" title="Give access to partial aspects of a type.">PixelAccessor</a> class that will define what kind of transformation is applied to the pixel data. Typical uses of <a class="el" href="classitk_1_1PixelAccessor.html" title="Give access to partial aspects of a type.">PixelAccessor</a> include basic type casting, (e.g. make a float image looks like a unsigned int image).<p>
Every <a class="el" href="classitk_1_1Image.html" title="Templated n-dimensional image class.">Image</a> has a default <a class="el" href="classitk_1_1PixelAccessor.html" title="Give access to partial aspects of a type.">PixelAccessor</a> that performs an identity operation. ImageIterators use the <a class="el" href="classitk_1_1PixelAccessor.html" title="Give access to partial aspects of a type.">PixelAccessor</a> defined by the image in order to get and set the values of pixels.
<p>Definition at line <a class="el" href="itkPixelAccessor_8h_source.html#l00053">53</a> of file <a class="el" href="itkPixelAccessor_8h_source.html">itkPixelAccessor.h</a>.</p>
<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="db175ac6f11e3c6251720b7ba055c7e6"></a><!-- doxytag: member="itk::PixelAccessor::ExternalType" ref="db175ac6f11e3c6251720b7ba055c7e6" args="" -->
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template<class TInternalType , class TExternalType > </div>
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<td class="memname">typedef TExternalType <a class="el" href="classitk_1_1PixelAccessor.html">itk::PixelAccessor</a>< TInternalType, TExternalType >::<a class="el" href="classitk_1_1PixelAccessor.html#db175ac6f11e3c6251720b7ba055c7e6">ExternalType</a> </td>
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<p>
External typedef. It defines the external aspect that this class will exhibit.
<p>Definition at line <a class="el" href="itkPixelAccessor_8h_source.html#l00058">58</a> of file <a class="el" href="itkPixelAccessor_8h_source.html">itkPixelAccessor.h</a>.</p>
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<a class="anchor" name="8aaaf70e47fd13940ddb6e5cd143cd72"></a><!-- doxytag: member="itk::PixelAccessor::InternalType" ref="8aaaf70e47fd13940ddb6e5cd143cd72" args="" -->
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template<class TInternalType , class TExternalType > </div>
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<td class="memname">typedef TInternalType <a class="el" href="classitk_1_1PixelAccessor.html">itk::PixelAccessor</a>< TInternalType, TExternalType >::<a class="el" href="classitk_1_1PixelAccessor.html#8aaaf70e47fd13940ddb6e5cd143cd72">InternalType</a> </td>
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<p>
Internal typedef. It defines the internal real representation of data.
<p>Definition at line <a class="el" href="itkPixelAccessor_8h_source.html#l00062">62</a> of file <a class="el" href="itkPixelAccessor_8h_source.html">itkPixelAccessor.h</a>.</p>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="18c56f7ff456f50abc1f7042f5aa7f39"></a><!-- doxytag: member="itk::PixelAccessor::Get" ref="18c56f7ff456f50abc1f7042f5aa7f39" args="(const TInternalType &input) const " -->
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template<class TInternalType , class TExternalType > </div>
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<td class="memname">TExternalType <a class="el" href="classitk_1_1PixelAccessor.html">itk::PixelAccessor</a>< TInternalType, TExternalType >::Get </td>
<td>(</td>
<td class="paramtype">const TInternalType & </td>
<td class="paramname"> <em>input</em> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>Definition at line <a class="el" href="itkPixelAccessor_8h_source.html#l00067">67</a> of file <a class="el" href="itkPixelAccessor_8h_source.html">itkPixelAccessor.h</a>.</p>
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<a class="anchor" name="737ca1ed6f9460bcd67054da6d61e84b"></a><!-- doxytag: member="itk::PixelAccessor::Set" ref="737ca1ed6f9460bcd67054da6d61e84b" args="(TInternalType &output, const TExternalType &input) const " -->
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template<class TInternalType , class TExternalType > </div>
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<td class="memname">void <a class="el" href="classitk_1_1PixelAccessor.html">itk::PixelAccessor</a>< TInternalType, TExternalType >::Set </td>
<td>(</td>
<td class="paramtype">TInternalType & </td>
<td class="paramname"> <em>output</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const TExternalType & </td>
<td class="paramname"> <em>input</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [inline]</code></td>
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<p>
<p>Definition at line <a class="el" href="itkPixelAccessor_8h_source.html#l00064">64</a> of file <a class="el" href="itkPixelAccessor_8h_source.html">itkPixelAccessor.h</a>.</p>
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</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="itkPixelAccessor_8h_source.html">itkPixelAccessor.h</a></ul>
</div>
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