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<h1>vtkSphericalDirectionEncoder Class Reference</h1><!-- doxytag: class="vtkSphericalDirectionEncoder" --><!-- doxytag: inherits="vtkDirectionEncoder" --><code>#include <<a class="el" href="a05415.html">vtkSphericalDirectionEncoder.h</a>></code>
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Inheritance diagram for vtkSphericalDirectionEncoder:</div>
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<p><center><img src="a14630.png" border="0" usemap="#a14631" alt="Inheritance graph"></center>
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<area shape="rect" href="a00423.html" title="encode a direction into a one or two byte value" alt="" coords="35,155,179,181"><area shape="rect" href="a01084.html" title="abstract base class for most VTK objects" alt="" coords="67,80,147,107"><area shape="rect" href="a01085.html" title="abstract base class for most VTK objects" alt="" coords="52,5,161,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
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Collaboration diagram for vtkSphericalDirectionEncoder:</div>
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<p><center><img src="a14632.png" border="0" usemap="#a14633" alt="Collaboration graph"></center>
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<area shape="rect" href="a00423.html" title="encode a direction into a one or two byte value" alt="" coords="55,174,199,200"><area shape="rect" href="a01084.html" title="abstract base class for most VTK objects" alt="" coords="87,96,167,123"><area shape="rect" href="a01085.html" title="abstract base class for most VTK objects" alt="" coords="5,6,115,32"><area shape="rect" href="a01719.html" title="record modification and/or execution time" alt="" coords="139,6,248,32"></map>
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<a href="a14634.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
A direction encoder based on spherical coordinates.
<p>
<a class="el" href="a01585.html" title="A direction encoder based on spherical coordinates.">vtkSphericalDirectionEncoder</a> is a direction encoder which uses spherical coordinates for mapping (nx, ny, nz) into an azimuth, elevation pair.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="a00423.html" title="encode a direction into a one or two byte value">vtkDirectionEncoder</a> </dd></dl>
<p>Definition at line <a class="el" href="a05415.html#l00030">30</a> of file <a class="el" href="a05415.html">vtkSphericalDirectionEncoder.h</a>.</p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#4145f48e2fddc739675e1b5313bac947">DecodedGradientTableInitialized</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#442f04dc3a5587d04fc573d7a9349dc1">InitializeDecodedGradientTable</a> ()</td></tr>
<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="a00423.html">vtkDirectionEncoder</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#bad49814d2f4929d278df7bc765b58e1">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="a01585.html#fbbf7f83b6c148fac8929f7c4fd6024f">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="a01585.html#a3be4f82ed65d9884213a50494a54ecc">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="a01585.html#24005a104a15bb5e90f5b0e2ca032681">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#9ac5f86fc12a11913a09df4f8edf749c">GetEncodedDirection</a> (float n[3])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">float * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#7ef967d4e5eec4c6d30c5cd32a9a7953">GetDecodedGradient</a> (int value)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#1136eaf04017eaed36d1cb97c518691c">GetNumberOfEncodedDirections</a> (void)</td></tr>
<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">float * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#2b7a25159f767646a76bd1f3a8dc5ac0">GetDecodedGradientTable</a> (void)</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 </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#8c4676277695b69e9cb84b27e08e4834">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <br>
<a class="el" href="a01585.html">vtkSphericalDirectionEncoder</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#3cae7d1ed31f2a6768596f1c97b5d4b7">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="a01585.html">vtkSphericalDirectionEncoder</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#0368e108d58712f9c219008373bd1ef9">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"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#bfc8d5c303c9c9d6a5f297f61ed38af5">vtkSphericalDirectionEncoder</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#d3d1df6d3ea71c7b05fc147d30baebf9">~vtkSphericalDirectionEncoder</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Static Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static float </td><td class="memItemRight" valign="bottom"><a class="el" href="a01585.html#27dab9540f684d6a269c226aa9403560">DecodedGradientTable</a> [65536 *3]</td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="bad49814d2f4929d278df7bc765b58e1"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::Superclass" ref="bad49814d2f4929d278df7bc765b58e1" args="" -->
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<td class="memname">typedef <a class="el" href="a00423.html">vtkDirectionEncoder</a> <a class="el" href="a00423.html">vtkSphericalDirectionEncoder::Superclass</a> </td>
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<p>
Get the name of this class
<p>Reimplemented from <a class="el" href="a00423.html#6f649b6fa6334146fe96f9f06994a2d7">vtkDirectionEncoder</a>.</p>
<p>Definition at line <a class="el" href="a05415.html#l00033">33</a> of file <a class="el" href="a05415.html">vtkSphericalDirectionEncoder.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="bfc8d5c303c9c9d6a5f297f61ed38af5"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::vtkSphericalDirectionEncoder" ref="bfc8d5c303c9c9d6a5f297f61ed38af5" args="()" -->
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<td class="memname">vtkSphericalDirectionEncoder::vtkSphericalDirectionEncoder </td>
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<td class="paramname"> </td>
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<td><code> [protected]</code></td>
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<a class="anchor" name="d3d1df6d3ea71c7b05fc147d30baebf9"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::~vtkSphericalDirectionEncoder" ref="d3d1df6d3ea71c7b05fc147d30baebf9" args="()" -->
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<td class="memname">vtkSphericalDirectionEncoder::~vtkSphericalDirectionEncoder </td>
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<td class="paramname"> </td>
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<td><code> [protected]</code></td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="fbbf7f83b6c148fac8929f7c4fd6024f"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::GetClassName" ref="fbbf7f83b6c148fac8929f7c4fd6024f" args="()" -->
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<td class="memname">virtual const char* vtkSphericalDirectionEncoder::GetClassName </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Get the name of this class
<p>Reimplemented from <a class="el" href="a00423.html#f5430586d8bc77e8ba4e144021e49ad8">vtkDirectionEncoder</a>.</p>
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<a class="anchor" name="8c4676277695b69e9cb84b27e08e4834"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::IsTypeOf" ref="8c4676277695b69e9cb84b27e08e4834" args="(const char *type)" -->
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<td class="memname">static int vtkSphericalDirectionEncoder::IsTypeOf </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>type</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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Get the name of this class
<p>Reimplemented from <a class="el" href="a00423.html#34914b386f2c3e7f72c4c30f4bdd79d5">vtkDirectionEncoder</a>.</p>
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<a class="anchor" name="a3be4f82ed65d9884213a50494a54ecc"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::IsA" ref="a3be4f82ed65d9884213a50494a54ecc" args="(const char *type)" -->
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<td class="memname">virtual int vtkSphericalDirectionEncoder::IsA </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>type</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Get the name of this class
<p>Reimplemented from <a class="el" href="a00423.html#67c44d285f36ebae2b5e20cac13f376d">vtkDirectionEncoder</a>.</p>
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<a class="anchor" name="3cae7d1ed31f2a6768596f1c97b5d4b7"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::SafeDownCast" ref="3cae7d1ed31f2a6768596f1c97b5d4b7" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a01585.html">vtkSphericalDirectionEncoder</a>* vtkSphericalDirectionEncoder::SafeDownCast </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a01084.html">vtkObject</a> * </td>
<td class="paramname"> <em>o</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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Get the name of this class
<p>Reimplemented from <a class="el" href="a00423.html#4acb1f08bed0cc54efa4c54f2d81a7e3">vtkDirectionEncoder</a>.</p>
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<a class="anchor" name="24005a104a15bb5e90f5b0e2ca032681"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::PrintSelf" ref="24005a104a15bb5e90f5b0e2ca032681" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">void vtkSphericalDirectionEncoder::PrintSelf </td>
<td>(</td>
<td class="paramtype">ostream & </td>
<td class="paramname"> <em>os</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00869.html">vtkIndent</a> </td>
<td class="paramname"> <em>indent</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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Get the name of this class
<p>Reimplemented from <a class="el" href="a00423.html#666c07098efd4e7ac2ce8506ed23f284">vtkDirectionEncoder</a>.</p>
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<a class="anchor" name="0368e108d58712f9c219008373bd1ef9"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::New" ref="0368e108d58712f9c219008373bd1ef9" args="()" -->
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<td class="memname">static <a class="el" href="a01585.html">vtkSphericalDirectionEncoder</a>* vtkSphericalDirectionEncoder::New </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [static]</code></td>
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Construct the object. Initialize the index table which will be used to map the normal into a patch on the recursively subdivided sphere.
<p>Reimplemented from <a class="el" href="a01084.html#4d5b227267c076d6f9e38483370b6612">vtkObject</a>.</p>
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<a class="anchor" name="9ac5f86fc12a11913a09df4f8edf749c"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::GetEncodedDirection" ref="9ac5f86fc12a11913a09df4f8edf749c" args="(float n[3])" -->
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<td class="memname">int vtkSphericalDirectionEncoder::GetEncodedDirection </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"> <em>n</em>[3] </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Given a normal vector n, return the encoded direction
<p>Implements <a class="el" href="a00423.html#2f1df849b7d8982cb16770505757d543">vtkDirectionEncoder</a>.</p>
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<a class="anchor" name="7ef967d4e5eec4c6d30c5cd32a9a7953"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::GetDecodedGradient" ref="7ef967d4e5eec4c6d30c5cd32a9a7953" args="(int value)" -->
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<td class="memname">float* vtkSphericalDirectionEncoder::GetDecodedGradient </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>value</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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/ Given an encoded value, return a pointer to the normal vector
<p>Implements <a class="el" href="a00423.html#f29912b41b911f31d95dd0e90ea644a3">vtkDirectionEncoder</a>.</p>
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<a class="anchor" name="1136eaf04017eaed36d1cb97c518691c"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::GetNumberOfEncodedDirections" ref="1136eaf04017eaed36d1cb97c518691c" args="(void)" -->
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<td class="memname">int vtkSphericalDirectionEncoder::GetNumberOfEncodedDirections </td>
<td>(</td>
<td class="paramtype">void </td>
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<td><code> [inline, virtual]</code></td>
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Return the number of encoded directions
<p>Implements <a class="el" href="a00423.html#0c8572b7660aa30b335b3c1037ed7ba1">vtkDirectionEncoder</a>.</p>
<p>Definition at line <a class="el" href="a05415.html#l00048">48</a> of file <a class="el" href="a05415.html">vtkSphericalDirectionEncoder.h</a>.</p>
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<a class="anchor" name="2b7a25159f767646a76bd1f3a8dc5ac0"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::GetDecodedGradientTable" ref="2b7a25159f767646a76bd1f3a8dc5ac0" args="(void)" -->
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<td class="memname">float* vtkSphericalDirectionEncoder::GetDecodedGradientTable </td>
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<td><code> [inline, virtual]</code></td>
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Get the decoded gradient table. There are this-><a class="el" href="a01585.html#1136eaf04017eaed36d1cb97c518691c">GetNumberOfEncodedDirections()</a> entries in the table, each containing a normal (direction) vector. This is a flat structure - 3 times the number of directions floats in an array.
<p>Implements <a class="el" href="a00423.html#ce27086397c0480da8a20f9e8d6a0e03">vtkDirectionEncoder</a>.</p>
<p>Definition at line <a class="el" href="a05415.html#l00055">55</a> of file <a class="el" href="a05415.html">vtkSphericalDirectionEncoder.h</a>.</p>
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<a class="anchor" name="442f04dc3a5587d04fc573d7a9349dc1"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::InitializeDecodedGradientTable" ref="442f04dc3a5587d04fc573d7a9349dc1" args="()" -->
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<td class="memname">static void vtkSphericalDirectionEncoder::InitializeDecodedGradientTable </td>
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<td><code> [static, protected]</code></td>
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Initialize the table at startup
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="27dab9540f684d6a269c226aa9403560"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::DecodedGradientTable" ref="27dab9540f684d6a269c226aa9403560" args="[65536 *3]" -->
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<td class="memname">float <a class="el" href="a01585.html#27dab9540f684d6a269c226aa9403560">vtkSphericalDirectionEncoder::DecodedGradientTable</a>[65536 *3]<code> [static, protected]</code> </td>
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<p>Definition at line <a class="el" href="a05415.html#l00066">66</a> of file <a class="el" href="a05415.html">vtkSphericalDirectionEncoder.h</a>.</p>
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<a class="anchor" name="4145f48e2fddc739675e1b5313bac947"></a><!-- doxytag: member="vtkSphericalDirectionEncoder::DecodedGradientTableInitialized" ref="4145f48e2fddc739675e1b5313bac947" args="" -->
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<td class="memname">int <a class="el" href="a01585.html#4145f48e2fddc739675e1b5313bac947">vtkSphericalDirectionEncoder::DecodedGradientTableInitialized</a><code> [static, protected]</code> </td>
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Initialize the table at startup
<p>Definition at line <a class="el" href="a05415.html#l00071">71</a> of file <a class="el" href="a05415.html">vtkSphericalDirectionEncoder.h</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/VolumeRendering/<a class="el" href="a05415.html">vtkSphericalDirectionEncoder.h</a></ul>
</div>
<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:35:41 2009 for VTK by
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Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
>
by-pkgid
>
60f1dc962abad0f3b492991a4fbef9be
>
files
>
1588
