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<h1>vtkRayCastImageDisplayHelper Class Reference</h1><!-- doxytag: class="vtkRayCastImageDisplayHelper" --><!-- doxytag: inherits="vtkObject" --><code>#include <<a class="el" href="a05413.html">vtkRayCastImageDisplayHelper.h</a>></code>
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Inheritance diagram for vtkRayCastImageDisplayHelper:</div>
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<p><center><img src="a14009.png" border="0" usemap="#a14010" alt="Inheritance graph"></center>
<map name="a14010">
<area shape="rect" href="a01030.html" title="Mesa subclass that draws the image to the screen." alt="" coords="5,229,251,256"><area shape="rect" href="a01118.html" title="OpenGL subclass that draws the image to the screen." alt="" coords="275,229,539,256"><area shape="rect" href="a01084.html" title="abstract base class for most VTK objects" alt="" coords="227,80,307,107"><area shape="rect" href="a01085.html" title="abstract base class for most VTK objects" alt="" coords="212,5,321,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
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Collaboration diagram for vtkRayCastImageDisplayHelper:</div>
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<p><center><img src="a14011.png" border="0" usemap="#a14012" alt="Collaboration graph"></center>
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<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="5,5,115,32"><area shape="rect" href="a01719.html" title="record modification and/or execution time" alt="" coords="139,5,248,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
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<a href="a14013.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
helper class that draws the image to the screen
<p>
This is a helper class for drawing images created from ray casting on the screen. This is the abstract device-independent superclass.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="a01850.html" title="A slow but accurate mapper for rendering volumes.">vtkVolumeRayCastMapper</a> <a class="el" href="a01806.html" title="A software mapper for unstructured volumes.">vtkUnstructuredGridVolumeRayCastMapper</a> <a class="el" href="a01118.html" title="OpenGL subclass that draws the image to the screen.">vtkOpenGLRayCastImageDisplayHelper</a> </dd></dl>
<p>Definition at line <a class="el" href="a05413.html#l00036">36</a> of file <a class="el" href="a05413.html">vtkRayCastImageDisplayHelper.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="a01084.html">vtkObject</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#b0782045ccac6cec78da91985654b99e">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="a01454.html#c602f41efe02fbdbb435f7fe04d9d341">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="a01454.html#42f0507ae470960463b608902f038fb3">IsA</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#fbe716dcada5777284316adb6737eacf">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#c53a58de971adbaba58386c5dee93d88">RenderTexture</a> (<a class="el" href="a01839.html">vtkVolume</a> *vol, <a class="el" href="a01480.html">vtkRenderer</a> *ren, int imageMemorySize[2], int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth, unsigned char *image)=0</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#3ef50086434b250263d9a40dfc9d26da">RenderTexture</a> (<a class="el" href="a01839.html">vtkVolume</a> *vol, <a class="el" href="a01480.html">vtkRenderer</a> *ren, int imageMemorySize[2], int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth, unsigned short *image)=0</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#8b0921c5c04602c97487603b63181b9c">RenderTexture</a> (<a class="el" href="a01839.html">vtkVolume</a> *vol, <a class="el" href="a01480.html">vtkRenderer</a> *ren, <a class="el" href="a00547.html">vtkFixedPointRayCastImage</a> *image, float requestedDepth)=0</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#99e9e2b132e1d5338b3da1307ebd0774">SetPreMultipliedColors</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="a01454.html#b6f27e96038cf0dad325c9f9a8e23da3">GetPreMultipliedColors</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#6509b844b2dad414bb983edfa41ad6c2">PreMultipliedColorsOn</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#0ff9667e73ce93700089e9d025b2560a">PreMultipliedColorsOff</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="a01454.html#95a8705f42aaa1162cc161d6bdb90f9a">SetPixelScale</a> (float)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual float </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#151a24c337ad062e34f8db026af567c4">GetPixelScale</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 <br>
<a class="el" href="a01454.html">vtkRayCastImageDisplayHelper</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#35f37db012347daad27ed7767a524f94">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="a01454.html#83e4e34880cabe4befaf1f4eebec632a">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <br>
<a class="el" href="a01454.html">vtkRayCastImageDisplayHelper</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#74146c1f126457107bf71adaf331f2af">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="a01454.html#7e3b35f90b3f8aa26c34c5a7065403f5">vtkRayCastImageDisplayHelper</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#4c46e7aed57c4437c590bdfe919ed015">~vtkRayCastImageDisplayHelper</a> ()</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="a01454.html#887e2bb06312a00d4957a04c2516e8ba">PreMultipliedColors</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="a01454.html#7c5692d9842ee54e2b66cc8874cb75fc">PixelScale</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="b0782045ccac6cec78da91985654b99e"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::Superclass" ref="b0782045ccac6cec78da91985654b99e" args="" -->
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<td class="memname">typedef <a class="el" href="a01084.html">vtkObject</a> <a class="el" href="a01084.html">vtkRayCastImageDisplayHelper::Superclass</a> </td>
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<p>Reimplemented from <a class="el" href="a01084.html#11429dee69f4b562e03e07b453dae9b5">vtkObject</a>.</p>
<p>Reimplemented in <a class="el" href="a01030.html#7ab37d3b9fc2a995e85554ca1929d606">vtkMesaRayCastImageDisplayHelper</a>, and <a class="el" href="a01118.html#b947d3ad3473e6e1f9f221f1040b6937">vtkOpenGLRayCastImageDisplayHelper</a>.</p>
<p>Definition at line <a class="el" href="a05413.html#l00040">40</a> of file <a class="el" href="a05413.html">vtkRayCastImageDisplayHelper.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="7e3b35f90b3f8aa26c34c5a7065403f5"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::vtkRayCastImageDisplayHelper" ref="7e3b35f90b3f8aa26c34c5a7065403f5" args="()" -->
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<td class="memname">vtkRayCastImageDisplayHelper::vtkRayCastImageDisplayHelper </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected]</code></td>
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<a class="anchor" name="4c46e7aed57c4437c590bdfe919ed015"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::~vtkRayCastImageDisplayHelper" ref="4c46e7aed57c4437c590bdfe919ed015" args="()" -->
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<td class="memname">vtkRayCastImageDisplayHelper::~vtkRayCastImageDisplayHelper </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected]</code></td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="35f37db012347daad27ed7767a524f94"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::New" ref="35f37db012347daad27ed7767a524f94" args="()" -->
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<td class="memname">static <a class="el" href="a01454.html">vtkRayCastImageDisplayHelper</a>* vtkRayCastImageDisplayHelper::New </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </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="a01084.html#4d5b227267c076d6f9e38483370b6612">vtkObject</a>.</p>
<p>Reimplemented in <a class="el" href="a01030.html#12a82216654e6c3e92c0167bc5d2641e">vtkMesaRayCastImageDisplayHelper</a>, and <a class="el" href="a01118.html#88ea8d12bd278dcc40522073a25a3855">vtkOpenGLRayCastImageDisplayHelper</a>.</p>
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<a class="anchor" name="c602f41efe02fbdbb435f7fe04d9d341"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::GetClassName" ref="c602f41efe02fbdbb435f7fe04d9d341" args="()" -->
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<td class="memname">virtual const char* vtkRayCastImageDisplayHelper::GetClassName </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
<p>Reimplemented from <a class="el" href="a01084.html#d95975c85c2896ea32ff4cf1f8de0886">vtkObject</a>.</p>
<p>Reimplemented in <a class="el" href="a01030.html#35cb73dcc1d91dbc51ac773b713a26a0">vtkMesaRayCastImageDisplayHelper</a>, and <a class="el" href="a01118.html#decb7e1f0c16914a1302fe04d084844f">vtkOpenGLRayCastImageDisplayHelper</a>.</p>
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<a class="anchor" name="83e4e34880cabe4befaf1f4eebec632a"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::IsTypeOf" ref="83e4e34880cabe4befaf1f4eebec632a" args="(const char *type)" -->
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<td class="memname">static int vtkRayCastImageDisplayHelper::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="a01084.html#e9548a248bce0f02f73bbcccd0a9489e">vtkObject</a>.</p>
<p>Reimplemented in <a class="el" href="a01030.html#4f2f7687fe0a8ff1582e6c9e70b88deb">vtkMesaRayCastImageDisplayHelper</a>, and <a class="el" href="a01118.html#448e2eb41dfe438609aa9e9cdbba5400">vtkOpenGLRayCastImageDisplayHelper</a>.</p>
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<a class="anchor" name="42f0507ae470960463b608902f038fb3"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::IsA" ref="42f0507ae470960463b608902f038fb3" args="(const char *type)" -->
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<td class="memname">virtual int vtkRayCastImageDisplayHelper::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="a01084.html#831e57b04e46827a7098aa81abadee69">vtkObject</a>.</p>
<p>Reimplemented in <a class="el" href="a01030.html#900994da6f5c0afcdd6867be0eb2b46b">vtkMesaRayCastImageDisplayHelper</a>, and <a class="el" href="a01118.html#e902c008ca2f25f5797c6673c43cea7f">vtkOpenGLRayCastImageDisplayHelper</a>.</p>
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<a class="anchor" name="74146c1f126457107bf71adaf331f2af"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::SafeDownCast" ref="74146c1f126457107bf71adaf331f2af" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a01454.html">vtkRayCastImageDisplayHelper</a>* vtkRayCastImageDisplayHelper::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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<p>Reimplemented from <a class="el" href="a01084.html#bb9351f076544c427ee91229dce83abe">vtkObject</a>.</p>
<p>Reimplemented in <a class="el" href="a01030.html#1435a6eaded75c8bf2b21faf0b167879">vtkMesaRayCastImageDisplayHelper</a>, and <a class="el" href="a01118.html#564c6df4fbf472a145da9fc94022cdf9">vtkOpenGLRayCastImageDisplayHelper</a>.</p>
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<a class="anchor" name="fbe716dcada5777284316adb6737eacf"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::PrintSelf" ref="fbe716dcada5777284316adb6737eacf" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">virtual void vtkRayCastImageDisplayHelper::PrintSelf </td>
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<td class="paramtype">ostream & </td>
<td class="paramname"> <em>os</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="a00869.html">vtkIndent</a> </td>
<td class="paramname"> <em>indent</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [virtual]</code></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="a01084.html#bf3dbb4154289b56a12483eee3866263">vtkObject</a>.</p>
<p>Reimplemented in <a class="el" href="a01030.html#e57aa3c46e4e5099be61bca1a44fa624">vtkMesaRayCastImageDisplayHelper</a>, and <a class="el" href="a01118.html#9a8e94eae5cdd87fe229aac28f5533d2">vtkOpenGLRayCastImageDisplayHelper</a>.</p>
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<a class="anchor" name="c53a58de971adbaba58386c5dee93d88"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::RenderTexture" ref="c53a58de971adbaba58386c5dee93d88" args="(vtkVolume *vol, vtkRenderer *ren, int imageMemorySize[2], int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth, unsigned char *image)=0" -->
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<td class="memname">virtual void vtkRayCastImageDisplayHelper::RenderTexture </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a01839.html">vtkVolume</a> * </td>
<td class="paramname"> <em>vol</em>, </td>
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<td class="paramtype"><a class="el" href="a01480.html">vtkRenderer</a> * </td>
<td class="paramname"> <em>ren</em>, </td>
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<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>imageMemorySize</em>[2], </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>imageViewportSize</em>[2], </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>imageInUseSize</em>[2], </td>
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<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>imageOrigin</em>[2], </td>
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<td class="paramtype">float </td>
<td class="paramname"> <em>requestedDepth</em>, </td>
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<td class="paramtype">unsigned char * </td>
<td class="paramname"> <em>image</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [pure virtual]</code></td>
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<p>Implemented in <a class="el" href="a01030.html#76cb27dfbe0942d8ab1f6075d8c7e514">vtkMesaRayCastImageDisplayHelper</a>, and <a class="el" href="a01118.html#210b5c3751ab98b3d8d8e62911fb84cd">vtkOpenGLRayCastImageDisplayHelper</a>.</p>
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<a class="anchor" name="3ef50086434b250263d9a40dfc9d26da"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::RenderTexture" ref="3ef50086434b250263d9a40dfc9d26da" args="(vtkVolume *vol, vtkRenderer *ren, int imageMemorySize[2], int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth, unsigned short *image)=0" -->
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<td class="memname">virtual void vtkRayCastImageDisplayHelper::RenderTexture </td>
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<td class="paramtype"><a class="el" href="a01839.html">vtkVolume</a> * </td>
<td class="paramname"> <em>vol</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="a01480.html">vtkRenderer</a> * </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>imageMemorySize</em>[2], </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>imageViewportSize</em>[2], </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>imageInUseSize</em>[2], </td>
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<td class="paramtype">int </td>
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<td class="paramtype">float </td>
<td class="paramname"> <em>requestedDepth</em>, </td>
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<td class="paramtype">unsigned short * </td>
<td class="paramname"> <em>image</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [pure virtual]</code></td>
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<p>Implemented in <a class="el" href="a01030.html#d76bd484bcd0c6fc9d25d8b59468a892">vtkMesaRayCastImageDisplayHelper</a>, and <a class="el" href="a01118.html#1fa7818036bddfa9e82e870d94a9e6af">vtkOpenGLRayCastImageDisplayHelper</a>.</p>
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<a class="anchor" name="8b0921c5c04602c97487603b63181b9c"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::RenderTexture" ref="8b0921c5c04602c97487603b63181b9c" args="(vtkVolume *vol, vtkRenderer *ren, vtkFixedPointRayCastImage *image, float requestedDepth)=0" -->
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<td class="memname">virtual void vtkRayCastImageDisplayHelper::RenderTexture </td>
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<td class="paramtype"><a class="el" href="a01839.html">vtkVolume</a> * </td>
<td class="paramname"> <em>vol</em>, </td>
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<td class="paramtype"><a class="el" href="a01480.html">vtkRenderer</a> * </td>
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<td class="paramtype"><a class="el" href="a00547.html">vtkFixedPointRayCastImage</a> * </td>
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<td class="paramtype">float </td>
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<td>)</td>
<td></td><td></td><td><code> [pure virtual]</code></td>
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<p>Implemented in <a class="el" href="a01030.html#719d352e11742556fba71119729b137e">vtkMesaRayCastImageDisplayHelper</a>, and <a class="el" href="a01118.html#0a216241aff017e36223417b5a7c4223">vtkOpenGLRayCastImageDisplayHelper</a>.</p>
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<a class="anchor" name="99e9e2b132e1d5338b3da1307ebd0774"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::SetPreMultipliedColors" ref="99e9e2b132e1d5338b3da1307ebd0774" args="(int)" -->
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<td class="memname">virtual void vtkRayCastImageDisplayHelper::SetPreMultipliedColors </td>
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<td class="paramtype">int </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<a class="anchor" name="b6f27e96038cf0dad325c9f9a8e23da3"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::GetPreMultipliedColors" ref="b6f27e96038cf0dad325c9f9a8e23da3" args="()" -->
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<td class="memname">virtual int vtkRayCastImageDisplayHelper::GetPreMultipliedColors </td>
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<td><code> [virtual]</code></td>
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<p>
</div>
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<a class="anchor" name="6509b844b2dad414bb983edfa41ad6c2"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::PreMultipliedColorsOn" ref="6509b844b2dad414bb983edfa41ad6c2" args="()" -->
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<td class="memname">virtual void vtkRayCastImageDisplayHelper::PreMultipliedColorsOn </td>
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<td><code> [virtual]</code></td>
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<a class="anchor" name="0ff9667e73ce93700089e9d025b2560a"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::PreMultipliedColorsOff" ref="0ff9667e73ce93700089e9d025b2560a" args="()" -->
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<td class="memname">virtual void vtkRayCastImageDisplayHelper::PreMultipliedColorsOff </td>
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<td class="paramname"> </td>
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<td><code> [virtual]</code></td>
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<a class="anchor" name="95a8705f42aaa1162cc161d6bdb90f9a"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::SetPixelScale" ref="95a8705f42aaa1162cc161d6bdb90f9a" args="(float)" -->
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<td class="memname">virtual void vtkRayCastImageDisplayHelper::SetPixelScale </td>
<td>(</td>
<td class="paramtype">float </td>
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<td> ) </td>
<td><code> [virtual]</code></td>
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Set / Get the pixel scale to be applied to the image before display. Can be set to scale the incoming pixel values - for example the fixed point mapper uses the unsigned short API but with 15 bit values so needs a scale of 2.0.
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<a class="anchor" name="151a24c337ad062e34f8db026af567c4"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::GetPixelScale" ref="151a24c337ad062e34f8db026af567c4" args="()" -->
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<td class="memname">virtual float vtkRayCastImageDisplayHelper::GetPixelScale </td>
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<td><code> [virtual]</code></td>
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Set / Get the pixel scale to be applied to the image before display. Can be set to scale the incoming pixel values - for example the fixed point mapper uses the unsigned short API but with 15 bit values so needs a scale of 2.0.
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="887e2bb06312a00d4957a04c2516e8ba"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::PreMultipliedColors" ref="887e2bb06312a00d4957a04c2516e8ba" args="" -->
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<td class="memname">int <a class="el" href="a01454.html#887e2bb06312a00d4957a04c2516e8ba">vtkRayCastImageDisplayHelper::PreMultipliedColors</a><code> [protected]</code> </td>
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Have the colors already been multiplied by alpha?
<p>Definition at line <a class="el" href="a05413.html#l00082">82</a> of file <a class="el" href="a05413.html">vtkRayCastImageDisplayHelper.h</a>.</p>
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<a class="anchor" name="7c5692d9842ee54e2b66cc8874cb75fc"></a><!-- doxytag: member="vtkRayCastImageDisplayHelper::PixelScale" ref="7c5692d9842ee54e2b66cc8874cb75fc" args="" -->
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<td class="memname">float <a class="el" href="a01454.html#7c5692d9842ee54e2b66cc8874cb75fc">vtkRayCastImageDisplayHelper::PixelScale</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a05413.html#l00084">84</a> of file <a class="el" href="a05413.html">vtkRayCastImageDisplayHelper.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="a05413.html">vtkRayCastImageDisplayHelper.h</a></ul>
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<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:30:24 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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