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<h1>vtkGreedyTerrainDecimation Class Reference</h1><!-- doxytag: class="vtkGreedyTerrainDecimation" --><!-- doxytag: inherits="vtkPolyDataAlgorithm" --><code>#include <<a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>></code>
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Inheritance diagram for vtkGreedyTerrainDecimation:</div>
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<a href="a10424.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
reduce height field (represented as image) to reduced TIN
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<a class="el" href="a00674.html" title="reduce height field (represented as image) to reduced TIN">vtkGreedyTerrainDecimation</a> approximates a height field with a triangle mesh (triangulated irregular network - TIN) using a greedy insertion algorithm similar to that described by Garland and Heckbert in their paper "Fast Polygonal Approximations of Terrain and Height Fields" (Technical Report CMU-CS-95-181). The input to the filter is a height field (represented by a image whose scalar values are height) and the output of the filter is polygonal data consisting of triangles. The number of triangles in the output is reduced in number as compared to a naive tessellation of the input height field. This filter copies point data from the input to the output for those points present in the output.<p>
An brief description of the algorithm is as follows. The algorithm uses a top-down decimation approach that initially represents the height field with two triangles (whose vertices are at the four corners of the image). These two triangles form a Delaunay triangulation. In an iterative fashion, the point in the image with the greatest error (as compared to the original height field) is injected into the triangulation. (Note that the single point with the greatest error per triangle is identified and placed into a priority queue. As the triangulation is modified, the errors from the deleted triangles are removed from the queue, error values from the new triangles are added.) The point whose error is at the top of the queue is added to the triangulaion modifying it using the standard incremental Delaunay point insertion (see <a class="el" href="a00404.html" title="create 2D Delaunay triangulation of input points">vtkDelaunay2D</a>) algorithm. Points are repeatedly inserted until the appropriate (user-specified) error criterion is met.<p>
To use this filter, set the input and specify the error measure to be used. The error measure options are 1) the absolute number of triangles to be produced; 2) a fractional reduction of the mesh (numTris/maxTris) where maxTris is the largest possible number of triangles 2*(dims[0]-1)*(dims[1]-1); 3) an absolute measure on error (maximum difference in height field to reduced TIN); and 4) relative error (the absolute error is normalized by the diagonal of the bounding box of the height field).<p>
<dl class="warning" compact><dt><b>Warning:</b></dt><dd>This algorithm requires the entire input dataset to be in memory, hence it may not work for extremely large images. Invoking BoundaryVertexDeletionOff will allow you to stitch together images with matching boundaries.<p>
The input height image is assumed to be positioned in the x-y plane so the scalar value is the z-coordinate, height value.</dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="a00397.html" title="reduce the number of triangles in a mesh">vtkDecimatePro</a> <a class="el" href="a01446.html" title="reduce the number of triangles in a mesh">vtkQuadricDecimation</a> <a class="el" href="a01444.html" title="reduce the number of triangles in a mesh">vtkQuadricClustering</a></dd></dl>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_6.html#c2_vtk_t_vtkGreedyTerrainDecimation">vtkGreedyTerrainDecimation (Tests)</a> </dd></dl>
<p>Definition at line <a class="el" href="a04618.html#l00090">90</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.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="a01261.html">vtkPolyDataAlgorithm</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#2bd386743c508fde684b43064abea512">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="a00674.html#005d936161a5561e18cd7b743a22da62">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="a00674.html#81cca5a6de6e7ea752c493dfc03b4d68">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="a00674.html#3ff41362fb309075fad5e19d7bf18977">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="a00674.html#a6d928a241267da2894883cc8d3e5a16">SetErrorMeasure</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="a00674.html#9ac541ae3d708e2d584400fbf78cad8e">GetErrorMeasure</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#3ff91b6aabce6e49caf442631ec82b42">SetErrorMeasureToNumberOfTriangles</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#c33ab571b6a5eafb16ab12291d9524e5">SetErrorMeasureToSpecifiedReduction</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#4f9b4aca99a8220a6a46d7bcbf502fea">SetErrorMeasureToAbsoluteError</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#a488d1c66d1c500d318c3f1d980b3fe8">SetErrorMeasureToRelativeError</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="a00674.html#082175f292ef85e4bd748f725638018c">SetNumberOfTriangles</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a>)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#1521c23d2da07778f1d867481d2c9e15">GetNumberOfTriangles</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="a00674.html#101d4d9ca6e87eb6528f24aa7737202d">SetReduction</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="a00674.html#c003e6d3925e3cc5a3797ae050d2f23a">GetReduction</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="a00674.html#09ff10f813de94788abd81bdf3a4d177">SetAbsoluteError</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="a00674.html#a24e06273b9267e1fce4fee34a6f8cbb">GetAbsoluteError</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="a00674.html#d53a7f5b677216cf13f31a2e37fca489">SetRelativeError</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="a00674.html#9165f13b7228793e99ea1894e0266a80">GetRelativeError</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="a00674.html#999eebab050928a28daa948a6b3c6992">SetBoundaryVertexDeletion</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="a00674.html#bde4e7c79c317d2a214130b71aa3554b">GetBoundaryVertexDeletion</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#7abb72405cbde52c47360c14f3b48b2c">BoundaryVertexDeletionOn</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#12880a22c7c98a0a1be962199a7ff309">BoundaryVertexDeletionOff</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="a00674.html#f0504684f6f0da67e350d82bb3154813">SetComputeNormals</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="a00674.html#7f9bc0130707bbd368e663f34b7c0c0b">GetComputeNormals</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#1edec8f3e37f5f5edf99908ddf683f20">ComputeNormalsOn</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#2e4a19fa937986278a011e297a1d4d0d">ComputeNormalsOff</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="a00674.html#e9f04e28dd1b84b82b8c460fa6318847">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00674.html">vtkGreedyTerrainDecimation</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#d51d6d0e643cebc23e30e37805849385">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="a00674.html">vtkGreedyTerrainDecimation</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#c4c72b432dc4e43593386fd58a0a67b1">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="a00674.html#a37fbe492b64865482cfe07dd2d3149d">vtkGreedyTerrainDecimation</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#0b175dbc5697d713f79cc694c3b319be">~vtkGreedyTerrainDecimation</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#54d69effc249694d3c3bacdc46c589fd">RequestData</a> (<a class="el" href="a00872.html">vtkInformation</a> *, <a class="el" href="a00895.html">vtkInformationVector</a> **, <a class="el" href="a00895.html">vtkInformationVector</a> *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#9dac497f66c145d7e01179566b52878f">FillInputPortInformation</a> (int port, <a class="el" href="a00872.html">vtkInformation</a> *info)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#446388da65850e8c3ac7348f08c9a90d">ComputePointNormal</a> (int i, int j, float n[3])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#9beb8218ac4066e3aaac0bdec54fdf5e">EstimateOutputSize</a> (const <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> numInputPts, <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> &numPts, <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> &numTris)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#d0c9f1e3e75d67b1c87ffb4fededd8ef">SatisfiesErrorMeasure</a> (double error)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#93228e88107aae1a16cdd8269829f756">InsertBoundaryVertices</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#6e382425d97eb44083630d7657960b03">AddPointToTriangulation</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> inputPtId)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#6285cc87e157dc603f890335914027cf">InsertNextPoint</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> inputPtId, double x[3])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#ef60b00c1e7ead7e1002ab4bf1947fd0">GetPoint</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> id)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#aed6f512a46a4b7abe15cffe9e47f2fb">GetPoint</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> id, double x[3])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#2882ccee7582d2d50a9182648bc80c8f">GetTerrainPoint</a> (int i, int j, double x[3])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#1574297a4ac993ac94732c2cb95dfabd">ComputeImageCoordinates</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> inputPtId, int ij[2])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#d1b863bff0d5d3da358b2c629774b17c">InCircle</a> (double x[3], double x1[3], double x2[3], double x3[3])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#8e49f21706fae5ae1d209fcb45c99fe2">FindTriangle</a> (double x[3], <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> ptIds[3], <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> tri, double tol, <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> nei[3], <a class="el" href="a00720.html">vtkIdList</a> *neighbors, int &status)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#dc02673e8b8daa6f5eaa35ce2b21ba6b">CheckEdge</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> ptId, double x[3], <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p1, <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p2, <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> tri, int depth)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#e24f7a9f420dc8fb9db6eb2dfd14ca28">UpdateTriangles</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> meshPtId)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#192fe8b258b5c17eaae794a4205761ce">UpdateTriangle</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> triId, <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p1, <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p2, <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p3)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#c2c93d4a26a90d34855c3e75eceff61e">UpdateTriangle</a> (<a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> triId, int ij1[2], int ij2[2], int ij3[2], double h[4])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#3e56053cd4aa5d4ec2f6d3cf87df9063">CharacterizeTriangle</a> (int ij1[2], int ij2[2], int ij[3], int *&min, int *&max, int *&midL, int *&midR, int *&mid, int mid2[2], double h[3], double &hMin, double &hMax, double &hL, double &hR)</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="a00674.html#6cf57ae6562b19ec39afc54be5206a6d">ComputeNormals</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00556.html">vtkFloatArray</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#0c08518a3cc2fc1975495606780fe012">Normals</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#d12f37644459a4d039bffcd90603fd9c">ErrorMeasure</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#89c563784f7c03f70e18c7cf6c4639b4">NumberOfTriangles</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#5612e3e4ec41ebaeb4a430fa00ccbe2a">Reduction</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#c03fcf58203309a3da492bcf931a0793">AbsoluteError</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#c30a9e3bfea7fb72756cd2268721852a">RelativeError</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#711cbfd0f214c4fb22dcfd4fe7d1b3ce">BoundaryVertexDeletion</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a01260.html">vtkPolyData</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#d85a12c08067d54f37b2f5d894268031">Mesh</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a01242.html">vtkPointData</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#e7b0fd3746a25f24ad95a3b8326afa07">InputPD</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a01242.html">vtkPointData</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#2e900b2d2aa39aed2a953062f79eba16">OutputPD</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00436.html">vtkDoubleArray</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#1e8843aad60801614a0d059ae1701f52">Points</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00356.html">vtkDataArray</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#5d5a998045d7b92aed21b737c072562e">Heights</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#710ebbbc8013332c2cfa59b21b1d7e48">CurrentPointId</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#c447392dda921598b1b36ae3c45e5d5e">Tolerance</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00720.html">vtkIdList</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#7f3476dde80219d729526a4db6a130c5">Neighbors</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#1e6b88d1e116a4f489e01523bc870f74">Dimensions</a> [3]</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#616b498463e63a04ac19f7a4aa1931ba">Origin</a> [3]</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#7650e90395c07e4b92058ce955638dc8">Spacing</a> [3]</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#bf304967ea9336106000cc732dc5732d">MaximumNumberOfTriangles</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#2107fd092857fcc24954b214d9076802">Length</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a01300.html">vtkPriorityQueue</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#eb04c8972611af0b6cb5b9a4a055301d">TerrainError</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">vtkGreedyTerrainDecimationTerrainInfoType * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#43435e84201ba4e642ad2398bd3d858d">TerrainInfo</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">vtkGreedyTerrainDecimationPointInfoType * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00674.html#9e942496db9a37d14d5f67b00f4c0b98">PointInfo</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="2bd386743c508fde684b43064abea512"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::Superclass" ref="2bd386743c508fde684b43064abea512" args="" -->
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<td class="memname">typedef <a class="el" href="a01261.html">vtkPolyDataAlgorithm</a> <a class="el" href="a01261.html">vtkGreedyTerrainDecimation::Superclass</a> </td>
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<p>Reimplemented from <a class="el" href="a01261.html#0ef1960e1f3d6980b058ab47b5475b91">vtkPolyDataAlgorithm</a>.</p>
<p>Definition at line <a class="el" href="a04618.html#l00093">93</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="a37fbe492b64865482cfe07dd2d3149d"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::vtkGreedyTerrainDecimation" ref="a37fbe492b64865482cfe07dd2d3149d" args="()" -->
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<td class="memname">vtkGreedyTerrainDecimation::vtkGreedyTerrainDecimation </td>
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<td><code> [protected]</code></td>
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<a class="anchor" name="0b175dbc5697d713f79cc694c3b319be"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::~vtkGreedyTerrainDecimation" ref="0b175dbc5697d713f79cc694c3b319be" args="()" -->
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<td class="memname">vtkGreedyTerrainDecimation::~vtkGreedyTerrainDecimation </td>
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<td><code> [protected]</code></td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="005d936161a5561e18cd7b743a22da62"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetClassName" ref="005d936161a5561e18cd7b743a22da62" args="()" -->
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<td class="memname">virtual const char* vtkGreedyTerrainDecimation::GetClassName </td>
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<td><code> [virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a01261.html#117691a3be177e85a0eb7e54b011c9de">vtkPolyDataAlgorithm</a>.</p>
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<a class="anchor" name="e9f04e28dd1b84b82b8c460fa6318847"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::IsTypeOf" ref="e9f04e28dd1b84b82b8c460fa6318847" args="(const char *type)" -->
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<td class="memname">static int vtkGreedyTerrainDecimation::IsTypeOf </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="a01261.html#6e4df93069945e2df17a891c6f4cd557">vtkPolyDataAlgorithm</a>.</p>
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<a class="anchor" name="81cca5a6de6e7ea752c493dfc03b4d68"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::IsA" ref="81cca5a6de6e7ea752c493dfc03b4d68" args="(const char *type)" -->
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<td class="memname">virtual int vtkGreedyTerrainDecimation::IsA </td>
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<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="a01261.html#b0133191c934f596dac2a21fd5a8da20">vtkPolyDataAlgorithm</a>.</p>
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<a class="anchor" name="d51d6d0e643cebc23e30e37805849385"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SafeDownCast" ref="d51d6d0e643cebc23e30e37805849385" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a00674.html">vtkGreedyTerrainDecimation</a>* vtkGreedyTerrainDecimation::SafeDownCast </td>
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<td class="paramname"> <em>o</em> </td>
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<td><code> [static]</code></td>
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<p>Reimplemented from <a class="el" href="a01261.html#3a09aba4f394c174457d17e9bc08af04">vtkPolyDataAlgorithm</a>.</p>
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<a class="anchor" name="3ff41362fb309075fad5e19d7bf18977"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::PrintSelf" ref="3ff41362fb309075fad5e19d7bf18977" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">void vtkGreedyTerrainDecimation::PrintSelf </td>
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<td class="paramname"> <em>indent</em></td><td> </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="a01261.html#e6d59a63261b0c56f8f473984ae0e1b6">vtkPolyDataAlgorithm</a>.</p>
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<a class="anchor" name="c4c72b432dc4e43593386fd58a0a67b1"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::New" ref="c4c72b432dc4e43593386fd58a0a67b1" args="()" -->
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<td class="memname">static <a class="el" href="a00674.html">vtkGreedyTerrainDecimation</a>* vtkGreedyTerrainDecimation::New </td>
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Instantiate the class.
<p>Reimplemented from <a class="el" href="a01261.html#cf785ac526132296ff652c636f713b5e">vtkPolyDataAlgorithm</a>.</p>
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<a class="anchor" name="a6d928a241267da2894883cc8d3e5a16"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetErrorMeasure" ref="a6d928a241267da2894883cc8d3e5a16" args="(int)" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::SetErrorMeasure </td>
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Specify how to terminate the algorithm: either as an absolute number of triangles, a relative number of triangles (normalized by the full resolution mesh), an absolute error (in the height field), or relative error (normalized by the length of the diagonal of the image).
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<a class="anchor" name="9ac541ae3d708e2d584400fbf78cad8e"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetErrorMeasure" ref="9ac541ae3d708e2d584400fbf78cad8e" args="()" -->
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<td class="memname">virtual int vtkGreedyTerrainDecimation::GetErrorMeasure </td>
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Specify how to terminate the algorithm: either as an absolute number of triangles, a relative number of triangles (normalized by the full resolution mesh), an absolute error (in the height field), or relative error (normalized by the length of the diagonal of the image).
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<a class="anchor" name="3ff91b6aabce6e49caf442631ec82b42"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetErrorMeasureToNumberOfTriangles" ref="3ff91b6aabce6e49caf442631ec82b42" args="()" -->
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<td class="memname">void vtkGreedyTerrainDecimation::SetErrorMeasureToNumberOfTriangles </td>
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Specify how to terminate the algorithm: either as an absolute number of triangles, a relative number of triangles (normalized by the full resolution mesh), an absolute error (in the height field), or relative error (normalized by the length of the diagonal of the image).
<p>Definition at line <a class="el" href="a04618.html#l00107">107</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="c33ab571b6a5eafb16ab12291d9524e5"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetErrorMeasureToSpecifiedReduction" ref="c33ab571b6a5eafb16ab12291d9524e5" args="()" -->
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<td class="memname">void vtkGreedyTerrainDecimation::SetErrorMeasureToSpecifiedReduction </td>
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<td><code> [inline]</code></td>
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<p>
Specify how to terminate the algorithm: either as an absolute number of triangles, a relative number of triangles (normalized by the full resolution mesh), an absolute error (in the height field), or relative error (normalized by the length of the diagonal of the image).
<p>Definition at line <a class="el" href="a04618.html#l00109">109</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="4f9b4aca99a8220a6a46d7bcbf502fea"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetErrorMeasureToAbsoluteError" ref="4f9b4aca99a8220a6a46d7bcbf502fea" args="()" -->
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<td class="memname">void vtkGreedyTerrainDecimation::SetErrorMeasureToAbsoluteError </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [inline]</code></td>
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<p>
Specify how to terminate the algorithm: either as an absolute number of triangles, a relative number of triangles (normalized by the full resolution mesh), an absolute error (in the height field), or relative error (normalized by the length of the diagonal of the image).
<p>Definition at line <a class="el" href="a04618.html#l00111">111</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="a488d1c66d1c500d318c3f1d980b3fe8"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetErrorMeasureToRelativeError" ref="a488d1c66d1c500d318c3f1d980b3fe8" args="()" -->
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<td class="memname">void vtkGreedyTerrainDecimation::SetErrorMeasureToRelativeError </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [inline]</code></td>
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<p>
Specify how to terminate the algorithm: either as an absolute number of triangles, a relative number of triangles (normalized by the full resolution mesh), an absolute error (in the height field), or relative error (normalized by the length of the diagonal of the image).
<p>Definition at line <a class="el" href="a04618.html#l00113">113</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="082175f292ef85e4bd748f725638018c"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetNumberOfTriangles" ref="082175f292ef85e4bd748f725638018c" args="(vtkIdType)" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::SetNumberOfTriangles </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Specify the number of triangles to produce on output. (It is a good idea to make sure this is less than a tessellated mesh at full resolution.) You need to set this value only when the error measure is set to NumberOfTriangles.
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<a class="anchor" name="1521c23d2da07778f1d867481d2c9e15"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetNumberOfTriangles" ref="1521c23d2da07778f1d867481d2c9e15" args="()" -->
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<td class="memname">virtual <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> vtkGreedyTerrainDecimation::GetNumberOfTriangles </td>
<td>(</td>
<td class="paramname"> </td>
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<td><code> [virtual]</code></td>
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<p>
Specify the number of triangles to produce on output. (It is a good idea to make sure this is less than a tessellated mesh at full resolution.) You need to set this value only when the error measure is set to NumberOfTriangles.
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<a class="anchor" name="101d4d9ca6e87eb6528f24aa7737202d"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetReduction" ref="101d4d9ca6e87eb6528f24aa7737202d" args="(double)" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::SetReduction </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Specify the reduction of the mesh (represented as a fraction). Note that a value of 0.10 means a 10% reduction. You need to set this value only when the error measure is set to SpecifiedReduction.
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<a class="anchor" name="c003e6d3925e3cc5a3797ae050d2f23a"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetReduction" ref="c003e6d3925e3cc5a3797ae050d2f23a" args="()" -->
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<td class="memname">virtual double vtkGreedyTerrainDecimation::GetReduction </td>
<td>(</td>
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<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Specify the reduction of the mesh (represented as a fraction). Note that a value of 0.10 means a 10% reduction. You need to set this value only when the error measure is set to SpecifiedReduction.
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<a class="anchor" name="09ff10f813de94788abd81bdf3a4d177"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetAbsoluteError" ref="09ff10f813de94788abd81bdf3a4d177" args="(double)" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::SetAbsoluteError </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Specify the absolute error of the mesh; that is, the error in height between the decimated mesh and the original height field. You need to set this value only when the error measure is set to AbsoluteError.
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<a class="anchor" name="a24e06273b9267e1fce4fee34a6f8cbb"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetAbsoluteError" ref="a24e06273b9267e1fce4fee34a6f8cbb" args="()" -->
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<td class="memname">virtual double vtkGreedyTerrainDecimation::GetAbsoluteError </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Specify the absolute error of the mesh; that is, the error in height between the decimated mesh and the original height field. You need to set this value only when the error measure is set to AbsoluteError.
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<a class="anchor" name="d53a7f5b677216cf13f31a2e37fca489"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetRelativeError" ref="d53a7f5b677216cf13f31a2e37fca489" args="(double)" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::SetRelativeError </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Specify the relative error of the mesh; that is, the error in height between the decimated mesh and the original height field normalized by the diagonal of the image. You need to set this value only when the error measure is set to RelativeError.
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<a class="anchor" name="9165f13b7228793e99ea1894e0266a80"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetRelativeError" ref="9165f13b7228793e99ea1894e0266a80" args="()" -->
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<td class="memname">virtual double vtkGreedyTerrainDecimation::GetRelativeError </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Specify the relative error of the mesh; that is, the error in height between the decimated mesh and the original height field normalized by the diagonal of the image. You need to set this value only when the error measure is set to RelativeError.
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<a class="anchor" name="999eebab050928a28daa948a6b3c6992"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetBoundaryVertexDeletion" ref="999eebab050928a28daa948a6b3c6992" args="(int)" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::SetBoundaryVertexDeletion </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Turn on/off the deletion of vertices on the boundary of a mesh. This may limit the maximum reduction that may be achieved.
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<a class="anchor" name="bde4e7c79c317d2a214130b71aa3554b"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetBoundaryVertexDeletion" ref="bde4e7c79c317d2a214130b71aa3554b" args="()" -->
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<td class="memname">virtual int vtkGreedyTerrainDecimation::GetBoundaryVertexDeletion </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Turn on/off the deletion of vertices on the boundary of a mesh. This may limit the maximum reduction that may be achieved.
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<a class="anchor" name="7abb72405cbde52c47360c14f3b48b2c"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::BoundaryVertexDeletionOn" ref="7abb72405cbde52c47360c14f3b48b2c" args="()" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::BoundaryVertexDeletionOn </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Turn on/off the deletion of vertices on the boundary of a mesh. This may limit the maximum reduction that may be achieved.
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<a class="anchor" name="12880a22c7c98a0a1be962199a7ff309"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::BoundaryVertexDeletionOff" ref="12880a22c7c98a0a1be962199a7ff309" args="()" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::BoundaryVertexDeletionOff </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Turn on/off the deletion of vertices on the boundary of a mesh. This may limit the maximum reduction that may be achieved.
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<a class="anchor" name="f0504684f6f0da67e350d82bb3154813"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SetComputeNormals" ref="f0504684f6f0da67e350d82bb3154813" args="(int)" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::SetComputeNormals </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Compute normals based on the input image. Off by default.
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<a class="anchor" name="7f9bc0130707bbd368e663f34b7c0c0b"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetComputeNormals" ref="7f9bc0130707bbd368e663f34b7c0c0b" args="()" -->
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<td class="memname">virtual int vtkGreedyTerrainDecimation::GetComputeNormals </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Compute normals based on the input image. Off by default.
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<a class="anchor" name="1edec8f3e37f5f5edf99908ddf683f20"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::ComputeNormalsOn" ref="1edec8f3e37f5f5edf99908ddf683f20" args="()" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::ComputeNormalsOn </td>
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<td> ) </td>
<td><code> [virtual]</code></td>
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Compute normals based on the input image. Off by default.
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<a class="anchor" name="2e4a19fa937986278a011e297a1d4d0d"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::ComputeNormalsOff" ref="2e4a19fa937986278a011e297a1d4d0d" args="()" -->
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<td class="memname">virtual void vtkGreedyTerrainDecimation::ComputeNormalsOff </td>
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<td><code> [virtual]</code></td>
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Compute normals based on the input image. Off by default.
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<a class="anchor" name="54d69effc249694d3c3bacdc46c589fd"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::RequestData" ref="54d69effc249694d3c3bacdc46c589fd" args="(vtkInformation *, vtkInformationVector **, vtkInformationVector *)" -->
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<td class="memname">virtual int vtkGreedyTerrainDecimation::RequestData </td>
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<td class="paramtype"><a class="el" href="a00872.html">vtkInformation</a> * </td>
<td class="paramname"> <em>request</em>, </td>
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<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> ** </td>
<td class="paramname"> <em>inputVector</em>, </td>
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<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> * </td>
<td class="paramname"> <em>outputVector</em></td><td> </td>
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This is called by the superclass. This is the method you should override.
<p>Reimplemented from <a class="el" href="a01261.html#6b5a43ab1f9bbcb368c7dc83e4afe068">vtkPolyDataAlgorithm</a>.</p>
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<a class="anchor" name="9dac497f66c145d7e01179566b52878f"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::FillInputPortInformation" ref="9dac497f66c145d7e01179566b52878f" args="(int port, vtkInformation *info)" -->
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<td class="memname">virtual int vtkGreedyTerrainDecimation::FillInputPortInformation </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>port</em>, </td>
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<td></td>
<td class="paramtype"><a class="el" href="a00872.html">vtkInformation</a> * </td>
<td class="paramname"> <em>info</em></td><td> </td>
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<td></td><td></td><td><code> [protected, virtual]</code></td>
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Fill the input port information objects for this algorithm. This is invoked by the first call to GetInputPortInformation for each port so subclasses can specify what they can handle.
<p>Reimplemented from <a class="el" href="a01261.html#a9084b97ab9c0c8c76e490fa9776a832">vtkPolyDataAlgorithm</a>.</p>
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<a class="anchor" name="446388da65850e8c3ac7348f08c9a90d"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::ComputePointNormal" ref="446388da65850e8c3ac7348f08c9a90d" args="(int i, int j, float n[3])" -->
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<td class="memname">void vtkGreedyTerrainDecimation::ComputePointNormal </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>i</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>j</em>, </td>
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<td></td>
<td class="paramtype">float </td>
<td class="paramname"> <em>n</em>[3]</td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [protected]</code></td>
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<a class="anchor" name="9beb8218ac4066e3aaac0bdec54fdf5e"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::EstimateOutputSize" ref="9beb8218ac4066e3aaac0bdec54fdf5e" args="(const vtkIdType numInputPts, vtkIdType &numPts, vtkIdType &numTris)" -->
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<td class="memname">void vtkGreedyTerrainDecimation::EstimateOutputSize </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td>
<td class="paramname"> <em>numInputPts</em>, </td>
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<td></td>
<td class="paramtype"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> & </td>
<td class="paramname"> <em>numPts</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> & </td>
<td class="paramname"> <em>numTris</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [protected]</code></td>
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<a class="anchor" name="d0c9f1e3e75d67b1c87ffb4fededd8ef"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::SatisfiesErrorMeasure" ref="d0c9f1e3e75d67b1c87ffb4fededd8ef" args="(double error)" -->
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<td class="memname">virtual int vtkGreedyTerrainDecimation::SatisfiesErrorMeasure </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>error</em> </td>
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<a class="anchor" name="93228e88107aae1a16cdd8269829f756"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::InsertBoundaryVertices" ref="93228e88107aae1a16cdd8269829f756" args="()" -->
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<td class="memname">void vtkGreedyTerrainDecimation::InsertBoundaryVertices </td>
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<td><code> [protected]</code></td>
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<a class="anchor" name="6e382425d97eb44083630d7657960b03"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::AddPointToTriangulation" ref="6e382425d97eb44083630d7657960b03" args="(vtkIdType inputPtId)" -->
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<td class="memname"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> vtkGreedyTerrainDecimation::AddPointToTriangulation </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> </td>
<td class="paramname"> <em>inputPtId</em> </td>
<td> ) </td>
<td><code> [protected]</code></td>
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<td class="memname"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> vtkGreedyTerrainDecimation::InsertNextPoint </td>
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<a class="anchor" name="ef60b00c1e7ead7e1002ab4bf1947fd0"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetPoint" ref="ef60b00c1e7ead7e1002ab4bf1947fd0" args="(vtkIdType id)" -->
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<a class="anchor" name="aed6f512a46a4b7abe15cffe9e47f2fb"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetPoint" ref="aed6f512a46a4b7abe15cffe9e47f2fb" args="(vtkIdType id, double x[3])" -->
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<td class="memname">void vtkGreedyTerrainDecimation::GetPoint </td>
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<a class="anchor" name="2882ccee7582d2d50a9182648bc80c8f"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::GetTerrainPoint" ref="2882ccee7582d2d50a9182648bc80c8f" args="(int i, int j, double x[3])" -->
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<td class="memname">void vtkGreedyTerrainDecimation::GetTerrainPoint </td>
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<a class="anchor" name="1574297a4ac993ac94732c2cb95dfabd"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::ComputeImageCoordinates" ref="1574297a4ac993ac94732c2cb95dfabd" args="(vtkIdType inputPtId, int ij[2])" -->
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<td class="memname">void vtkGreedyTerrainDecimation::ComputeImageCoordinates </td>
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<a class="anchor" name="d1b863bff0d5d3da358b2c629774b17c"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::InCircle" ref="d1b863bff0d5d3da358b2c629774b17c" args="(double x[3], double x1[3], double x2[3], double x3[3])" -->
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<td class="memname">int vtkGreedyTerrainDecimation::InCircle </td>
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<a class="anchor" name="8e49f21706fae5ae1d209fcb45c99fe2"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::FindTriangle" ref="8e49f21706fae5ae1d209fcb45c99fe2" args="(double x[3], vtkIdType ptIds[3], vtkIdType tri, double tol, vtkIdType nei[3], vtkIdList *neighbors, int &status)" -->
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<td class="memname"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> vtkGreedyTerrainDecimation::FindTriangle </td>
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<a class="anchor" name="dc02673e8b8daa6f5eaa35ce2b21ba6b"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::CheckEdge" ref="dc02673e8b8daa6f5eaa35ce2b21ba6b" args="(vtkIdType ptId, double x[3], vtkIdType p1, vtkIdType p2, vtkIdType tri, int depth)" -->
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<a class="anchor" name="e24f7a9f420dc8fb9db6eb2dfd14ca28"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::UpdateTriangles" ref="e24f7a9f420dc8fb9db6eb2dfd14ca28" args="(vtkIdType meshPtId)" -->
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<td class="memname">void vtkGreedyTerrainDecimation::UpdateTriangles </td>
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<a class="anchor" name="192fe8b258b5c17eaae794a4205761ce"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::UpdateTriangle" ref="192fe8b258b5c17eaae794a4205761ce" args="(vtkIdType triId, vtkIdType p1, vtkIdType p2, vtkIdType p3)" -->
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<a class="anchor" name="c2c93d4a26a90d34855c3e75eceff61e"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::UpdateTriangle" ref="c2c93d4a26a90d34855c3e75eceff61e" args="(vtkIdType triId, int ij1[2], int ij2[2], int ij3[2], double h[4])" -->
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<a class="anchor" name="3e56053cd4aa5d4ec2f6d3cf87df9063"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::CharacterizeTriangle" ref="3e56053cd4aa5d4ec2f6d3cf87df9063" args="(int ij1[2], int ij2[2], int ij[3], int *&min, int *&max, int *&midL, int *&midR, int *&mid, int mid2[2], double h[3], double &hMin, double &hMax, double &hL, double &hR)" -->
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="6cf57ae6562b19ec39afc54be5206a6d"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::ComputeNormals" ref="6cf57ae6562b19ec39afc54be5206a6d" args="" -->
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<td class="memname">int <a class="el" href="a00674.html#6cf57ae6562b19ec39afc54be5206a6d">vtkGreedyTerrainDecimation::ComputeNormals</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00174">174</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="0c08518a3cc2fc1975495606780fe012"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::Normals" ref="0c08518a3cc2fc1975495606780fe012" args="" -->
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<td class="memname"><a class="el" href="a00556.html">vtkFloatArray</a>* <a class="el" href="a00674.html#0c08518a3cc2fc1975495606780fe012">vtkGreedyTerrainDecimation::Normals</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00175">175</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="d12f37644459a4d039bffcd90603fd9c"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::ErrorMeasure" ref="d12f37644459a4d039bffcd90603fd9c" args="" -->
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<p>Definition at line <a class="el" href="a04618.html#l00179">179</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="89c563784f7c03f70e18c7cf6c4639b4"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::NumberOfTriangles" ref="89c563784f7c03f70e18c7cf6c4639b4" args="" -->
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<td class="memname"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> <a class="el" href="a00674.html#89c563784f7c03f70e18c7cf6c4639b4">vtkGreedyTerrainDecimation::NumberOfTriangles</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00180">180</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="5612e3e4ec41ebaeb4a430fa00ccbe2a"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::Reduction" ref="5612e3e4ec41ebaeb4a430fa00ccbe2a" args="" -->
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<p>Definition at line <a class="el" href="a04618.html#l00181">181</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="c03fcf58203309a3da492bcf931a0793"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::AbsoluteError" ref="c03fcf58203309a3da492bcf931a0793" args="" -->
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<td class="memname">double <a class="el" href="a00674.html#c03fcf58203309a3da492bcf931a0793">vtkGreedyTerrainDecimation::AbsoluteError</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00182">182</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<td class="memname">double <a class="el" href="a00674.html#c30a9e3bfea7fb72756cd2268721852a">vtkGreedyTerrainDecimation::RelativeError</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00183">183</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="711cbfd0f214c4fb22dcfd4fe7d1b3ce"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::BoundaryVertexDeletion" ref="711cbfd0f214c4fb22dcfd4fe7d1b3ce" args="" -->
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<td class="memname">int <a class="el" href="a00674.html#711cbfd0f214c4fb22dcfd4fe7d1b3ce">vtkGreedyTerrainDecimation::BoundaryVertexDeletion</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00184">184</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<td class="memname"><a class="el" href="a01260.html">vtkPolyData</a>* <a class="el" href="a00674.html#d85a12c08067d54f37b2f5d894268031">vtkGreedyTerrainDecimation::Mesh</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00187">187</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="e7b0fd3746a25f24ad95a3b8326afa07"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::InputPD" ref="e7b0fd3746a25f24ad95a3b8326afa07" args="" -->
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<td class="memname"><a class="el" href="a01242.html">vtkPointData</a>* <a class="el" href="a00674.html#e7b0fd3746a25f24ad95a3b8326afa07">vtkGreedyTerrainDecimation::InputPD</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00188">188</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<td class="memname"><a class="el" href="a01242.html">vtkPointData</a>* <a class="el" href="a00674.html#2e900b2d2aa39aed2a953062f79eba16">vtkGreedyTerrainDecimation::OutputPD</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00189">189</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="1e8843aad60801614a0d059ae1701f52"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::Points" ref="1e8843aad60801614a0d059ae1701f52" args="" -->
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<td class="memname"><a class="el" href="a00436.html">vtkDoubleArray</a>* <a class="el" href="a00674.html#1e8843aad60801614a0d059ae1701f52">vtkGreedyTerrainDecimation::Points</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00190">190</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<td class="memname"><a class="el" href="a00356.html">vtkDataArray</a>* <a class="el" href="a00674.html#5d5a998045d7b92aed21b737c072562e">vtkGreedyTerrainDecimation::Heights</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00191">191</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="710ebbbc8013332c2cfa59b21b1d7e48"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::CurrentPointId" ref="710ebbbc8013332c2cfa59b21b1d7e48" args="" -->
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<td class="memname"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> <a class="el" href="a00674.html#710ebbbc8013332c2cfa59b21b1d7e48">vtkGreedyTerrainDecimation::CurrentPointId</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00192">192</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="c447392dda921598b1b36ae3c45e5d5e"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::Tolerance" ref="c447392dda921598b1b36ae3c45e5d5e" args="" -->
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<td class="memname">double <a class="el" href="a00674.html#c447392dda921598b1b36ae3c45e5d5e">vtkGreedyTerrainDecimation::Tolerance</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00193">193</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<td class="memname"><a class="el" href="a00720.html">vtkIdList</a>* <a class="el" href="a00674.html#7f3476dde80219d729526a4db6a130c5">vtkGreedyTerrainDecimation::Neighbors</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00194">194</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<td class="memname">int <a class="el" href="a00674.html#1e6b88d1e116a4f489e01523bc870f74">vtkGreedyTerrainDecimation::Dimensions</a>[3]<code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00195">195</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<td class="memname">double <a class="el" href="a00674.html#616b498463e63a04ac19f7a4aa1931ba">vtkGreedyTerrainDecimation::Origin</a>[3]<code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00196">196</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<td class="memname">double <a class="el" href="a00674.html#7650e90395c07e4b92058ce955638dc8">vtkGreedyTerrainDecimation::Spacing</a>[3]<code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00197">197</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="bf304967ea9336106000cc732dc5732d"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::MaximumNumberOfTriangles" ref="bf304967ea9336106000cc732dc5732d" args="" -->
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<td class="memname"><a class="el" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> <a class="el" href="a00674.html#bf304967ea9336106000cc732dc5732d">vtkGreedyTerrainDecimation::MaximumNumberOfTriangles</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00198">198</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<td class="memname">double <a class="el" href="a00674.html#2107fd092857fcc24954b214d9076802">vtkGreedyTerrainDecimation::Length</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00199">199</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="eb04c8972611af0b6cb5b9a4a055301d"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::TerrainError" ref="eb04c8972611af0b6cb5b9a4a055301d" args="" -->
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<td class="memname"><a class="el" href="a01300.html">vtkPriorityQueue</a>* <a class="el" href="a00674.html#eb04c8972611af0b6cb5b9a4a055301d">vtkGreedyTerrainDecimation::TerrainError</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00202">202</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<a class="anchor" name="43435e84201ba4e642ad2398bd3d858d"></a><!-- doxytag: member="vtkGreedyTerrainDecimation::TerrainInfo" ref="43435e84201ba4e642ad2398bd3d858d" args="" -->
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<td class="memname">vtkGreedyTerrainDecimationTerrainInfoType* <a class="el" href="a00674.html#43435e84201ba4e642ad2398bd3d858d">vtkGreedyTerrainDecimation::TerrainInfo</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00203">203</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<td class="memname">vtkGreedyTerrainDecimationPointInfoType* <a class="el" href="a00674.html#9e942496db9a37d14d5f67b00f4c0b98">vtkGreedyTerrainDecimation::PointInfo</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04618.html#l00204">204</a> of file <a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Hybrid/<a class="el" href="a04618.html">vtkGreedyTerrainDecimation.h</a></ul>
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<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:06:38 2009 for VTK by
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