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<h1>vtkFollower Class Reference</h1><!-- doxytag: class="vtkFollower" --><!-- doxytag: inherits="vtkActor" --><code>#include <<a class="el" href="a05188.html">vtkFollower.h</a>></code>
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Inheritance diagram for vtkFollower:</div>
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Collaboration diagram for vtkFollower:</div>
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<a href="a09911.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
a subclass of actor that always faces the camera
<p>
<a class="el" href="a00561.html" title="a subclass of actor that always faces the camera">vtkFollower</a> is a subclass of <a class="el" href="a00092.html" title="represents an object (geometry & properties) in a rendered scene">vtkActor</a> that always follows its specified camera. More specifically it will not change its position or scale, but it will continually update its orientation so that it is right side up and facing the camera. This is typically used for text labels in a scene. All of the adjustments that can be made to an actor also will take effect with a follower. So, if you change the orientation of the follower by 90 degrees, then it will follow the camera, but be off by 90 degrees.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="a00092.html" title="represents an object (geometry & properties) in a rendered scene">vtkActor</a> <a class="el" href="a00227.html" title="a virtual camera for 3D rendering">vtkCamera</a></dd></dl>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_5.html#c2_vtk_t_vtkFollower">vtkFollower (Tests)</a> </dd></dl>
<p>Definition at line <a class="el" href="a05188.html#l00041">41</a> of file <a class="el" href="a05188.html">vtkFollower.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="a00092.html">vtkActor</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#183583a92b8bcf8a1d9fc1e768929c75">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="a00561.html#b338a9cc37e4545a6eb6573a3c7bc842">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="a00561.html#844ddff4a21c1e76af3b1d4be5f6bc3c">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="a00561.html#4665411158affc3fea640e8711095aee">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 int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#bef42d072ceeca916e212fdebc5482fe">HasTranslucentPolygonalGeometry</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#57170772695b65262d7d34dbd8b6e3fa">ShallowCopy</a> (<a class="el" href="a01317.html">vtkProp</a> *prop)</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="a00561.html#e566f117091303fd338305a39e75d29c">SetCamera</a> (<a class="el" href="a00227.html">vtkCamera</a> *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="a00227.html">vtkCamera</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#de93f77da18f3d9b14d6dd979250d81b">GetCamera</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#4793fc99385d54f31117f3631f672bb4">RenderOpaqueGeometry</a> (<a class="el" href="a01833.html">vtkViewport</a> *viewport)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#811356b3775b806af239e6b0f638d656">RenderTranslucentPolygonalGeometry</a> (<a class="el" href="a01833.html">vtkViewport</a> *viewport)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#d0837b011ec8489ed0be950df2097267">Render</a> (<a class="el" href="a01480.html">vtkRenderer</a> *ren)</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="a00561.html#d49aa04b0bd2d25d676d17e839493e9d">GetMatrix</a> (<a class="el" href="a00998.html">vtkMatrix4x4</a> *m)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#6a484baa4f7d30ced5e6fd7cc7d6d0aa">GetMatrix</a> (double m[16])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="a00998.html">vtkMatrix4x4</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#dbd683344fbdb85bed15add91c8153b7">GetMatrix</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 int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#b8fe504a2338f007687e2a7bbbddc6dd">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00561.html">vtkFollower</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#522a3d5dfca844ad35e23763f2ffaa0d">SafeDownCast</a> (<a class="el" href="a01084.html">vtkObject</a> *o)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00561.html">vtkFollower</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#7b9745743104eeb7162b631edf981a39">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="a00561.html#c77a2f31957e3d39ca6fc76ca08751bb">vtkFollower</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#18841c83bfc7217474954c49049bbfdf">~vtkFollower</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00227.html">vtkCamera</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#df82b5489408af394f4c2301b054f846">Camera</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00092.html">vtkActor</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00561.html#a352e2e91d608ff366f518a42342ebb3">Device</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="183583a92b8bcf8a1d9fc1e768929c75"></a><!-- doxytag: member="vtkFollower::Superclass" ref="183583a92b8bcf8a1d9fc1e768929c75" args="" -->
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<td class="memname">typedef <a class="el" href="a00092.html">vtkActor</a> <a class="el" href="a00092.html">vtkFollower::Superclass</a> </td>
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<p>Reimplemented from <a class="el" href="a00092.html#af95bad325f46645de0b93a965ddf942">vtkActor</a>.</p>
<p>Definition at line <a class="el" href="a05188.html#l00044">44</a> of file <a class="el" href="a05188.html">vtkFollower.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="c77a2f31957e3d39ca6fc76ca08751bb"></a><!-- doxytag: member="vtkFollower::vtkFollower" ref="c77a2f31957e3d39ca6fc76ca08751bb" args="()" -->
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<td class="memname">vtkFollower::vtkFollower </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected]</code></td>
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<p>
</div>
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<a class="anchor" name="18841c83bfc7217474954c49049bbfdf"></a><!-- doxytag: member="vtkFollower::~vtkFollower" ref="18841c83bfc7217474954c49049bbfdf" args="()" -->
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<td class="memname">vtkFollower::~vtkFollower </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="b338a9cc37e4545a6eb6573a3c7bc842"></a><!-- doxytag: member="vtkFollower::GetClassName" ref="b338a9cc37e4545a6eb6573a3c7bc842" args="()" -->
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<td class="memname">virtual const char* vtkFollower::GetClassName </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a00092.html#9896dbb156d89fc881df9b42d435a572">vtkActor</a>.</p>
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<a class="anchor" name="b8fe504a2338f007687e2a7bbbddc6dd"></a><!-- doxytag: member="vtkFollower::IsTypeOf" ref="b8fe504a2338f007687e2a7bbbddc6dd" args="(const char *type)" -->
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<td class="memname">static int vtkFollower::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="a00092.html#0a8bf2561d95811b1cb2d5df1509cb45">vtkActor</a>.</p>
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<a class="anchor" name="844ddff4a21c1e76af3b1d4be5f6bc3c"></a><!-- doxytag: member="vtkFollower::IsA" ref="844ddff4a21c1e76af3b1d4be5f6bc3c" args="(const char *type)" -->
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<td class="memname">virtual int vtkFollower::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="a00092.html#8864b45b0c2d46365fc16a088a1802bc">vtkActor</a>.</p>
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<a class="anchor" name="522a3d5dfca844ad35e23763f2ffaa0d"></a><!-- doxytag: member="vtkFollower::SafeDownCast" ref="522a3d5dfca844ad35e23763f2ffaa0d" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a00561.html">vtkFollower</a>* vtkFollower::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="a00092.html#aca06d3c788e8af691debac61dc29235">vtkActor</a>.</p>
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<a class="anchor" name="4665411158affc3fea640e8711095aee"></a><!-- doxytag: member="vtkFollower::PrintSelf" ref="4665411158affc3fea640e8711095aee" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">void vtkFollower::PrintSelf </td>
<td>(</td>
<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></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="a00092.html#b2716631ef52f2ec56ddc183663f3c08">vtkActor</a>.</p>
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<a class="anchor" name="7b9745743104eeb7162b631edf981a39"></a><!-- doxytag: member="vtkFollower::New" ref="7b9745743104eeb7162b631edf981a39" args="()" -->
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<td class="memname">static <a class="el" href="a00561.html">vtkFollower</a>* vtkFollower::New </td>
<td>(</td>
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<td><code> [static]</code></td>
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Creates a follower with no camera set
<p>Reimplemented from <a class="el" href="a00092.html#db090d6bd9ff89c47fa522d06698571f">vtkActor</a>.</p>
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<a class="anchor" name="e566f117091303fd338305a39e75d29c"></a><!-- doxytag: member="vtkFollower::SetCamera" ref="e566f117091303fd338305a39e75d29c" args="(vtkCamera *)" -->
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<td class="memname">virtual void vtkFollower::SetCamera </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00227.html">vtkCamera</a> * </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Set/Get the camera to follow. If this is not set, then the follower won't know who to follow.
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<a class="anchor" name="de93f77da18f3d9b14d6dd979250d81b"></a><!-- doxytag: member="vtkFollower::GetCamera" ref="de93f77da18f3d9b14d6dd979250d81b" args="()" -->
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<td class="memname">virtual <a class="el" href="a00227.html">vtkCamera</a>* vtkFollower::GetCamera </td>
<td>(</td>
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<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Set/Get the camera to follow. If this is not set, then the follower won't know who to follow.
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<a class="anchor" name="4793fc99385d54f31117f3631f672bb4"></a><!-- doxytag: member="vtkFollower::RenderOpaqueGeometry" ref="4793fc99385d54f31117f3631f672bb4" args="(vtkViewport *viewport)" -->
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<td class="memname">virtual int vtkFollower::RenderOpaqueGeometry </td>
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<td class="paramtype"><a class="el" href="a01833.html">vtkViewport</a> * </td>
<td class="paramname"> <em>viewport</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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This causes the actor to be rendered. It in turn will render the actor's property, texture map and then mapper. If a property hasn't been assigned, then the actor will create one automatically.
<p>Reimplemented from <a class="el" href="a00092.html#c6834ecac52d2f7990870812c083c662">vtkActor</a>.</p>
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<a class="anchor" name="811356b3775b806af239e6b0f638d656"></a><!-- doxytag: member="vtkFollower::RenderTranslucentPolygonalGeometry" ref="811356b3775b806af239e6b0f638d656" args="(vtkViewport *viewport)" -->
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<td class="memname">virtual int vtkFollower::RenderTranslucentPolygonalGeometry </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a01833.html">vtkViewport</a> * </td>
<td class="paramname"> <em>viewport</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
This causes the actor to be rendered. It in turn will render the actor's property, texture map and then mapper. If a property hasn't been assigned, then the actor will create one automatically.
<p>Reimplemented from <a class="el" href="a00092.html#d55d48ca3b5ad2b915ffc6187bd34b7d">vtkActor</a>.</p>
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<a class="anchor" name="d0837b011ec8489ed0be950df2097267"></a><!-- doxytag: member="vtkFollower::Render" ref="d0837b011ec8489ed0be950df2097267" args="(vtkRenderer *ren)" -->
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<td class="memname">virtual void vtkFollower::Render </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a01480.html">vtkRenderer</a> * </td>
<td class="paramname"> <em>ren</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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This causes the actor to be rendered. It in turn will render the actor's property, texture map and then mapper. If a property hasn't been assigned, then the actor will create one automatically.
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<a class="anchor" name="bef42d072ceeca916e212fdebc5482fe"></a><!-- doxytag: member="vtkFollower::HasTranslucentPolygonalGeometry" ref="bef42d072ceeca916e212fdebc5482fe" args="()" -->
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<td class="memname">virtual int vtkFollower::HasTranslucentPolygonalGeometry </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Does this prop have some translucent polygonal geometry?
<p>Reimplemented from <a class="el" href="a00092.html#a555544acf263d860cb048550595ce31">vtkActor</a>.</p>
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<a class="anchor" name="d49aa04b0bd2d25d676d17e839493e9d"></a><!-- doxytag: member="vtkFollower::GetMatrix" ref="d49aa04b0bd2d25d676d17e839493e9d" args="(vtkMatrix4x4 *m)" -->
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<td class="memname">virtual void vtkFollower::GetMatrix </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00998.html">vtkMatrix4x4</a> * </td>
<td class="paramname"> <em>m</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Copy the follower's composite 4x4 matrix into the matrix provided.
<p>Reimplemented from <a class="el" href="a01318.html#c8d51820fc26265a42637003fcd563be">vtkProp3D</a>.</p>
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<a class="anchor" name="6a484baa4f7d30ced5e6fd7cc7d6d0aa"></a><!-- doxytag: member="vtkFollower::GetMatrix" ref="6a484baa4f7d30ced5e6fd7cc7d6d0aa" args="(double m[16])" -->
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<td class="memname">virtual void vtkFollower::GetMatrix </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>m</em>[16] </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Copy the follower's composite 4x4 matrix into the matrix provided.
<p>Reimplemented from <a class="el" href="a01318.html#acd467f10ae48fd43424231983234e0e">vtkProp3D</a>.</p>
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<a class="anchor" name="dbd683344fbdb85bed15add91c8153b7"></a><!-- doxytag: member="vtkFollower::GetMatrix" ref="dbd683344fbdb85bed15add91c8153b7" args="()" -->
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<td class="memname">virtual <a class="el" href="a00998.html">vtkMatrix4x4</a>* vtkFollower::GetMatrix </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [inline, virtual]</code></td>
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Copy the follower's composite 4x4 matrix into the matrix provided.
<p>Reimplemented from <a class="el" href="a01318.html#42f5e24bcbb006a888228446e6236f96">vtkProp3D</a>.</p>
<p>Definition at line <a class="el" href="a05188.html#l00073">73</a> of file <a class="el" href="a05188.html">vtkFollower.h</a>.</p>
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<a class="anchor" name="57170772695b65262d7d34dbd8b6e3fa"></a><!-- doxytag: member="vtkFollower::ShallowCopy" ref="57170772695b65262d7d34dbd8b6e3fa" args="(vtkProp *prop)" -->
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<td class="memname">void vtkFollower::ShallowCopy </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a01317.html">vtkProp</a> * </td>
<td class="paramname"> <em>prop</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Shallow copy of a follower. Overloads the virtual <a class="el" href="a01317.html" title="abstract superclass for all actors, volumes and annotations">vtkProp</a> method.
<p>Reimplemented from <a class="el" href="a00092.html#bdeeb6097b6174e8fd34899c37b2488d">vtkActor</a>.</p>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="df82b5489408af394f4c2301b054f846"></a><!-- doxytag: member="vtkFollower::Camera" ref="df82b5489408af394f4c2301b054f846" args="" -->
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<td class="memname"><a class="el" href="a00227.html">vtkCamera</a>* <a class="el" href="a00561.html#df82b5489408af394f4c2301b054f846">vtkFollower::Camera</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a05188.html#l00084">84</a> of file <a class="el" href="a05188.html">vtkFollower.h</a>.</p>
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<a class="anchor" name="a352e2e91d608ff366f518a42342ebb3"></a><!-- doxytag: member="vtkFollower::Device" ref="a352e2e91d608ff366f518a42342ebb3" args="" -->
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<td class="memname"><a class="el" href="a00092.html">vtkActor</a>* <a class="el" href="a00561.html#a352e2e91d608ff366f518a42342ebb3">vtkFollower::Device</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a05188.html#l00085">85</a> of file <a class="el" href="a05188.html">vtkFollower.h</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Rendering/<a class="el" href="a05188.html">vtkFollower.h</a></ul>
</div>
<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:03:31 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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