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<h1>vtkTerrainDataPointPlacer Class Reference</h1><!-- doxytag: class="vtkTerrainDataPointPlacer" --><!-- doxytag: inherits="vtkPointPlacer" --><code>#include <<a class="el" href="a05534.html">vtkTerrainDataPointPlacer.h</a>></code>
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Inheritance diagram for vtkTerrainDataPointPlacer:</div>
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Collaboration diagram for vtkTerrainDataPointPlacer:</div>
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<a href="a15093.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
Place points on terrain data.
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<a class="el" href="a01685.html" title="Place points on terrain data.">vtkTerrainDataPointPlacer</a> dictates the placement of points on height field data. The class takes as input the list of props that represent the terrain in a rendered scene. A height offset can be specified to dicatate the placement of points at a certain height above the surface.<p>
<dl class="user" compact><dt><b>Usage:</b></dt><dd>A typical usage of this class is as follows: <div class="fragment"><pre class="fragment"> pointPlacer->AddProp(demActor); <span class="comment">// the actor(s) containing the terrain.</span>
rep->SetPointPlacer(pointPlacer);
pointPlacer->SetHeightOffset( 100 );
</pre></div></dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="a01249.html" title="Abstract interface to translate 2D display positions to world coordinates.">vtkPointPlacer</a> <a class="el" href="a01684.html" title="Contour interpolator for DEM data.">vtkTerrainContourLineInterpolator</a></dd></dl>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_16.html#c2_vtk_t_vtkTerrainDataPointPlacer">vtkTerrainDataPointPlacer (Tests)</a> </dd></dl>
<p>Definition at line <a class="el" href="a05534.html#l00048">48</a> of file <a class="el" href="a05534.html">vtkTerrainDataPointPlacer.h</a>.</p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="a01249.html">vtkPointPlacer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#4f9cb964e85062108655d2300be3ca3b">Superclass</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#5e5d37cd676ed3f45815d24905d9c4d1">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a01685.html">vtkTerrainDataPointPlacer</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#9cf218229d1bd71ac6509138beb862af">SafeDownCast</a> (<a class="el" href="a01084.html">vtkObject</a> *o)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#06c55a6a3e0151c25ebbd1eaad6d4a47">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="a01685.html#26bff3aef168dc0602f9075b9b323952">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="a01685.html#806d47fe3a53034e92ec50369e090a31">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</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="a01685.html#92a6b742c2ae923fc5a1a6831fbf08b0">AddProp</a> (<a class="el" href="a01317.html">vtkProp</a> *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#170c49e824e27fc73babfb6885114253">RemoveAllProps</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#809f8070e3b76063554108c941bd3dc4">ValidateWorldPosition</a> (double worldPos[3])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#a35c8158fa5fc844191e89ccf1b1fdfd">ValidateDisplayPosition</a> (<a class="el" href="a01480.html">vtkRenderer</a> *, double displayPos[2])</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="a01685.html#30f4ca9778efa528b2d8830cbf877359">SetHeightOffset</a> (double)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual double </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#7fa7e9ba881fc914d7c48494d0f7645f">GetHeightOffset</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="a01685.html#bcba9690940a70a8567e03d45f436ac3">ComputeWorldPosition</a> (<a class="el" href="a01480.html">vtkRenderer</a> *ren, double displayPos[2], double worldPos[3], double worldOrient[9])</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="a01685.html#a9d567e88c9ffd395373313c12e7f9ce">ComputeWorldPosition</a> (<a class="el" href="a01480.html">vtkRenderer</a> *ren, double displayPos[2], double refWorldPos[3], double worldPos[3], double worldOrient[9])</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="a01685.html#5bf255b61e23dc82d9253bf5d02815f1">ValidateWorldPosition</a> (double worldPos[3], double worldOrient[9])</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="a01324.html">vtkPropPicker</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#98c2e3bf6e30150962bcdf390511fff2">GetPropPicker</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="a01685.html">vtkTerrainDataPointPlacer</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#071cc764ec81f4bb3230c1c1be96ed7b">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="a01685.html#b155d076c0dc26a2a5aee1223119ece2">vtkTerrainDataPointPlacer</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#62b0f86912a670ae86bd12e033f4703e">~vtkTerrainDataPointPlacer</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a01321.html">vtkPropCollection</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#c9e10f92f2e65417e2b52ef497731c68">TerrainProps</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a01324.html">vtkPropPicker</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#267a3660eb9f2f1ac6d0253e1a30f24c">PropPicker</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="a01685.html#3d325728a7438feb7d172cefd0e60b6e">HeightOffset</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="4f9cb964e85062108655d2300be3ca3b"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::Superclass" ref="4f9cb964e85062108655d2300be3ca3b" args="" -->
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<td class="memname">typedef <a class="el" href="a01249.html">vtkPointPlacer</a> <a class="el" href="a01249.html">vtkTerrainDataPointPlacer::Superclass</a> </td>
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<p>
Standard methods for instances of this class.
<p>Reimplemented from <a class="el" href="a01249.html#96c6f3b9e777f4c2087ea0546acf5681">vtkPointPlacer</a>.</p>
<p>Definition at line <a class="el" href="a05534.html#l00056">56</a> of file <a class="el" href="a05534.html">vtkTerrainDataPointPlacer.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="b155d076c0dc26a2a5aee1223119ece2"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::vtkTerrainDataPointPlacer" ref="b155d076c0dc26a2a5aee1223119ece2" args="()" -->
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<td class="memname">vtkTerrainDataPointPlacer::vtkTerrainDataPointPlacer </td>
<td>(</td>
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<td> ) </td>
<td><code> [protected]</code></td>
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</div>
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<a class="anchor" name="62b0f86912a670ae86bd12e033f4703e"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::~vtkTerrainDataPointPlacer" ref="62b0f86912a670ae86bd12e033f4703e" args="()" -->
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<td class="memname">vtkTerrainDataPointPlacer::~vtkTerrainDataPointPlacer </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="071cc764ec81f4bb3230c1c1be96ed7b"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::New" ref="071cc764ec81f4bb3230c1c1be96ed7b" args="()" -->
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<td class="memname">static <a class="el" href="a01685.html">vtkTerrainDataPointPlacer</a>* vtkTerrainDataPointPlacer::New </td>
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<td><code> [static]</code></td>
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Instantiate this class.
<p>Reimplemented from <a class="el" href="a01249.html#1e2a099598014d8d0d9e1cd35981d65b">vtkPointPlacer</a>.</p>
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<a class="anchor" name="06c55a6a3e0151c25ebbd1eaad6d4a47"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::GetClassName" ref="06c55a6a3e0151c25ebbd1eaad6d4a47" args="()" -->
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<td class="memname">virtual const char* vtkTerrainDataPointPlacer::GetClassName </td>
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<td><code> [virtual]</code></td>
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Standard methods for instances of this class.
<p>Reimplemented from <a class="el" href="a01249.html#70eb387e0c6e84825d8cfc96d451ad4e">vtkPointPlacer</a>.</p>
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<a class="anchor" name="5e5d37cd676ed3f45815d24905d9c4d1"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::IsTypeOf" ref="5e5d37cd676ed3f45815d24905d9c4d1" args="(const char *type)" -->
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<td class="memname">static int vtkTerrainDataPointPlacer::IsTypeOf </td>
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<td class="paramtype">const char * </td>
<td class="paramname"> <em>type</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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<p>
Standard methods for instances of this class.
<p>Reimplemented from <a class="el" href="a01249.html#7463e37f140a1da575ecb10a98db35d3">vtkPointPlacer</a>.</p>
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<a class="anchor" name="26bff3aef168dc0602f9075b9b323952"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::IsA" ref="26bff3aef168dc0602f9075b9b323952" args="(const char *type)" -->
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<td class="memname">virtual int vtkTerrainDataPointPlacer::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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<div class="memdoc">
<p>
Standard methods for instances of this class.
<p>Reimplemented from <a class="el" href="a01249.html#2e4be3ea8a0f35581c9f3ddd1feaa538">vtkPointPlacer</a>.</p>
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<a class="anchor" name="9cf218229d1bd71ac6509138beb862af"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::SafeDownCast" ref="9cf218229d1bd71ac6509138beb862af" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a01685.html">vtkTerrainDataPointPlacer</a>* vtkTerrainDataPointPlacer::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>
Standard methods for instances of this class.
<p>Reimplemented from <a class="el" href="a01249.html#cfcc137b0abc5c2a92818c7667ac0d87">vtkPointPlacer</a>.</p>
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<a class="anchor" name="806d47fe3a53034e92ec50369e090a31"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::PrintSelf" ref="806d47fe3a53034e92ec50369e090a31" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">void vtkTerrainDataPointPlacer::PrintSelf </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><code> [virtual]</code></td>
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Standard methods for instances of this class.
<p>Reimplemented from <a class="el" href="a01249.html#322a5655a300b3a1ec02731aff6f68ee">vtkPointPlacer</a>.</p>
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<a class="anchor" name="92a6b742c2ae923fc5a1a6831fbf08b0"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::AddProp" ref="92a6b742c2ae923fc5a1a6831fbf08b0" args="(vtkProp *)" -->
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<td class="memname">virtual void vtkTerrainDataPointPlacer::AddProp </td>
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<td class="paramtype"><a class="el" href="a01317.html">vtkProp</a> * </td>
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<td><code> [virtual]</code></td>
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<a class="anchor" name="170c49e824e27fc73babfb6885114253"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::RemoveAllProps" ref="170c49e824e27fc73babfb6885114253" args="()" -->
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<td class="memname">virtual void vtkTerrainDataPointPlacer::RemoveAllProps </td>
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<td><code> [virtual]</code></td>
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<a class="anchor" name="30f4ca9778efa528b2d8830cbf877359"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::SetHeightOffset" ref="30f4ca9778efa528b2d8830cbf877359" args="(double)" -->
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<td class="memname">virtual void vtkTerrainDataPointPlacer::SetHeightOffset </td>
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This is the height above (or below) the terrain that the dictated point should be placed. Positive values indicate distances above the terrain; negative values indicate distances below the terrain. The default is 0.0.
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<a class="anchor" name="7fa7e9ba881fc914d7c48494d0f7645f"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::GetHeightOffset" ref="7fa7e9ba881fc914d7c48494d0f7645f" args="()" -->
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<td class="memname">virtual double vtkTerrainDataPointPlacer::GetHeightOffset </td>
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This is the height above (or below) the terrain that the dictated point should be placed. Positive values indicate distances above the terrain; negative values indicate distances below the terrain. The default is 0.0.
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<a class="anchor" name="bcba9690940a70a8567e03d45f436ac3"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::ComputeWorldPosition" ref="bcba9690940a70a8567e03d45f436ac3" args="(vtkRenderer *ren, double displayPos[2], double worldPos[3], double worldOrient[9])" -->
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<td class="memname">virtual int vtkTerrainDataPointPlacer::ComputeWorldPosition </td>
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<td class="paramname"> <em>worldPos</em>[3], </td>
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<td class="paramname"> <em>worldOrient</em>[9]</td><td> </td>
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Given a renderer and a display position in pixel coordinates, compute the world position and orientation where this point will be placed. This method is typically used by the representation to place the point initially. For the Terrain point placer this computes world points that lie at the specified height above the terrain.
<p>Reimplemented from <a class="el" href="a01249.html#85c9d4778db93934e4a2177ac47dff3c">vtkPointPlacer</a>.</p>
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<a class="anchor" name="a9d567e88c9ffd395373313c12e7f9ce"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::ComputeWorldPosition" ref="a9d567e88c9ffd395373313c12e7f9ce" args="(vtkRenderer *ren, double displayPos[2], double refWorldPos[3], double worldPos[3], double worldOrient[9])" -->
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<td class="memname">virtual int vtkTerrainDataPointPlacer::ComputeWorldPosition </td>
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<td class="paramname"> <em>worldPos</em>[3], </td>
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Given a renderer, a display position, and a reference world position, compute the new world position and orientation of this point. This method is typically used by the representation to move the point.
<p>Reimplemented from <a class="el" href="a01249.html#0e784d7017fd1c823935b467f2fb387a">vtkPointPlacer</a>.</p>
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<a class="anchor" name="809f8070e3b76063554108c941bd3dc4"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::ValidateWorldPosition" ref="809f8070e3b76063554108c941bd3dc4" args="(double worldPos[3])" -->
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<td class="memname">virtual int vtkTerrainDataPointPlacer::ValidateWorldPosition </td>
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Given a world position check the validity of this position according to the constraints of the placer
<p>Reimplemented from <a class="el" href="a01249.html#dbda1faa9c534e7de22945e064ecb5c3">vtkPointPlacer</a>.</p>
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<a class="anchor" name="a35c8158fa5fc844191e89ccf1b1fdfd"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::ValidateDisplayPosition" ref="a35c8158fa5fc844191e89ccf1b1fdfd" args="(vtkRenderer *, double displayPos[2])" -->
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<td class="memname">virtual int vtkTerrainDataPointPlacer::ValidateDisplayPosition </td>
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Given a display position, check the validity of this position.
<p>Reimplemented from <a class="el" href="a01249.html#7ce58c89530c6be5755405b78365f6a9">vtkPointPlacer</a>.</p>
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<a class="anchor" name="5bf255b61e23dc82d9253bf5d02815f1"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::ValidateWorldPosition" ref="5bf255b61e23dc82d9253bf5d02815f1" args="(double worldPos[3], double worldOrient[9])" -->
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<td class="memname">virtual int vtkTerrainDataPointPlacer::ValidateWorldPosition </td>
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Given a world position and a world orientation, validate it according to the constraints of the placer.
<p>Reimplemented from <a class="el" href="a01249.html#aedc5e53c357853a00f50c27fc819879">vtkPointPlacer</a>.</p>
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<a class="anchor" name="98c2e3bf6e30150962bcdf390511fff2"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::GetPropPicker" ref="98c2e3bf6e30150962bcdf390511fff2" args="()" -->
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<td class="memname">virtual <a class="el" href="a01324.html">vtkPropPicker</a>* vtkTerrainDataPointPlacer::GetPropPicker </td>
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Get the Prop picker.
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="c9e10f92f2e65417e2b52ef497731c68"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::TerrainProps" ref="c9e10f92f2e65417e2b52ef497731c68" args="" -->
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<td class="memname"><a class="el" href="a01321.html">vtkPropCollection</a>* <a class="el" href="a01685.html#c9e10f92f2e65417e2b52ef497731c68">vtkTerrainDataPointPlacer::TerrainProps</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a05534.html#l00123">123</a> of file <a class="el" href="a05534.html">vtkTerrainDataPointPlacer.h</a>.</p>
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<a class="anchor" name="267a3660eb9f2f1ac6d0253e1a30f24c"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::PropPicker" ref="267a3660eb9f2f1ac6d0253e1a30f24c" args="" -->
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<td class="memname"><a class="el" href="a01324.html">vtkPropPicker</a>* <a class="el" href="a01685.html#267a3660eb9f2f1ac6d0253e1a30f24c">vtkTerrainDataPointPlacer::PropPicker</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a05534.html#l00124">124</a> of file <a class="el" href="a05534.html">vtkTerrainDataPointPlacer.h</a>.</p>
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<a class="anchor" name="3d325728a7438feb7d172cefd0e60b6e"></a><!-- doxytag: member="vtkTerrainDataPointPlacer::HeightOffset" ref="3d325728a7438feb7d172cefd0e60b6e" args="" -->
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<td class="memname">double <a class="el" href="a01685.html#3d325728a7438feb7d172cefd0e60b6e">vtkTerrainDataPointPlacer::HeightOffset</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a05534.html#l00125">125</a> of file <a class="el" href="a05534.html">vtkTerrainDataPointPlacer.h</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Widgets/<a class="el" href="a05534.html">vtkTerrainDataPointPlacer.h</a></ul>
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<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:38:50 2009 for VTK by
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