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<h1>vtkMarchingContourFilter Class Reference</h1><!-- doxytag: class="vtkMarchingContourFilter" --><!-- doxytag: inherits="vtkPolyDataAlgorithm" --><code>#include <<a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>></code>
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Inheritance diagram for vtkMarchingContourFilter:</div>
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Collaboration diagram for vtkMarchingContourFilter:</div>
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<a href="a11934.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
generate isosurfaces/isolines from scalar values
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<a class="el" href="a00987.html" title="generate isosurfaces/isolines from scalar values">vtkMarchingContourFilter</a> is a filter that takes as input any dataset and generates on output isosurfaces and/or isolines. The exact form of the output depends upon the dimensionality of the input data. Data consisting of 3D cells will generate isosurfaces, data consisting of 2D cells will generate isolines, and data with 1D or 0D cells will generate isopoints. Combinations of output type are possible if the input dimension is mixed.<p>
This filter will identify special dataset types (e.g., structured points) and use the appropriate specialized filter to process the data. For examples, if the input dataset type is a volume, this filter will create an internal <a class="el" href="a00988.html" title="generate isosurface(s) from volume">vtkMarchingCubes</a> instance and use it. This gives much better performance.<p>
To use this filter you must specify one or more contour values. You can either use the method <a class="el" href="a00987.html#704b505232b527fffeaa3d0f639459b8">SetValue()</a> to specify each contour value, or use <a class="el" href="a00987.html#8d9f18238effd962471a6fe20dbbdb3e">GenerateValues()</a> to generate a series of evenly spaced contours. It is also possible to accelerate the operation of this filter (at the cost of extra memory) by using a <a class="el" href="a01515.html" title="organize data according to scalar values (used to accelerate contouring operations)...">vtkScalarTree</a>. A scalar tree is used to quickly locate cells that contain a contour surface. This is especially effective if multiple contours are being extracted. If you want to use a scalar tree, invoke the method <a class="el" href="a00987.html#d68c200eb6ac757687b2c3d53a76905a">UseScalarTreeOn()</a>.<p>
<dl class="warning" compact><dt><b>Warning:</b></dt><dd>For unstructured data or structured grids, normals and gradients are not computed. This calculation will be implemented in the future. In the mean time, use <a class="el" href="a01267.html" title="compute normals for polygonal mesh">vtkPolyDataNormals</a> to compute the surface normals.</dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="a00988.html" title="generate isosurface(s) from volume">vtkMarchingCubes</a> <a class="el" href="a01557.html" title="generate isosurface(s) from volume four slices at a time">vtkSliceCubes</a> vtkDividingCubes <a class="el" href="a00989.html" title="generate isoline(s) from structured points set">vtkMarchingSquares</a> <a class="el" href="a00795.html" title="generate isosurface(s) from volume/images">vtkImageMarchingCubes</a></dd></dl>
<dl class="user" compact><dt><b>Tests:</b></dt><dd><a class="el" href="c2_vtk_t_10.html#c2_vtk_t_vtkMarchingContourFilter">vtkMarchingContourFilter (Tests)</a> </dd></dl>
<p>Definition at line <a class="el" href="a04379.html#l00066">66</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.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="a00987.html#7ae06ebce897236f7fe4b986b91a6d1c">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="a00987.html#20abe534d33ff4231c3b458390d8f8e5">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="a00987.html#13553d3acca9a37cc5fc60c9723d51b1">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="a00987.html#6363cd8a8e100c93175b9d8ab52a7c73">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#5e53715b9cb179e852ea35219c141939">GetMTime</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#1ae3ca3cb7024a090e25c78769826455">CreateDefaultLocator</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#704b505232b527fffeaa3d0f639459b8">SetValue</a> (int i, double value)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#5864959bca3e7864e39ac015dd2b7f99">GetValue</a> (int i)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#9ce0ab9b89626878ed4545f42fab9c89">GetValues</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#42c0008edccee198b2ea6516e44bdced">GetValues</a> (double *contourValues)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#3ff65aa97cb7e39579495b850445b9bc">SetNumberOfContours</a> (int number)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#18a4015bfaa6ea89bfdd329552187b3b">GetNumberOfContours</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#8d9f18238effd962471a6fe20dbbdb3e">GenerateValues</a> (int numContours, double range[2])</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#da111db0d567151151178ab0203de234">GenerateValues</a> (int numContours, double rangeStart, double rangeEnd)</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="a00987.html#fb59ef79169147e57a7385415ff105af">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="a00987.html#b2bd98e0c29c885712ee0f35b8e32c32">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="a00987.html#6398b01fe7a5fa1424f34101d8ecb581">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="a00987.html#dd0be6cc232ceb0f6b6e07c945554872">ComputeNormalsOff</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="a00987.html#15e9106dd50fbd7b056e3d6149fe52f3">SetComputeGradients</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="a00987.html#c57690f0418e75193f62b824d8bcbb13">GetComputeGradients</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#60ebaadc0689f2413c9fc3241b771f03">ComputeGradientsOn</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#3c0a663180a579200931cc75539a7831">ComputeGradientsOff</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="a00987.html#dd9f282ccd28acd42a9248c40f692a35">SetComputeScalars</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="a00987.html#3856b792830cf8a9a69c3170a747b880">GetComputeScalars</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#966ada6da3e8a5263dc2c368e6978b3b">ComputeScalarsOn</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#d171421aa2be835a2a25149529b42883">ComputeScalarsOff</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="a00987.html#61c912eb5597d3dff09c7cb7075bfa48">SetUseScalarTree</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="a00987.html#726b07e416bd21561b6762b45aada744">GetUseScalarTree</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#d68c200eb6ac757687b2c3d53a76905a">UseScalarTreeOn</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#fb4884d19d66e31337411f8064079f58">UseScalarTreeOff</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#860d3407de669d7637b49b51ef705d2f">SetLocator</a> (<a class="el" href="a01247.html">vtkPointLocator</a> *locator)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="a01247.html">vtkPointLocator</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#bfd806ca468ee95850bb53a9d1264a13">GetLocator</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="a00987.html#f480022d8b2744bcb86e1b5acc1831ac">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a00987.html">vtkMarchingContourFilter</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#4005dce69d8583797eee025467a13ba8">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="a00987.html">vtkMarchingContourFilter</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#4b680d65032937c1eb0aca9fc5689ae5">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="a00987.html#34474cc2f09b4fb6345d6c893e9819ea">vtkMarchingContourFilter</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#53741f4f05f1af20bf5aaf6e4ed7f006">~vtkMarchingContourFilter</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#49931d3fcc30a61c0f6f636d31fe119e">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="a00987.html#8970c6b3187cf2f5bae2d0d96818619e">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="a00987.html#bbacf09757a15fdba90785a5e3eecbbf">StructuredPointsContour</a> (int dim, <a class="el" href="a00374.html">vtkDataSet</a> *input, <a class="el" href="a01260.html">vtkPolyData</a> *output)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#9f41e25725a5b57fd4c59c915de3c54d">ImageContour</a> (int dim, <a class="el" href="a00374.html">vtkDataSet</a> *input, <a class="el" href="a01260.html">vtkPolyData</a> *output)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#c89be6c475af18d3da79d5df6b8da3ed">DataSetContour</a> (<a class="el" href="a00374.html">vtkDataSet</a> *input, <a class="el" href="a01260.html">vtkPolyData</a> *output)</td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00330.html">vtkContourValues</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#09ccdd6f0aed6f2d75ea338c4f932722">ContourValues</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#6ff97af1c6fec0194d50d29c66c00f68">ComputeNormals</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#5fa32c2a432aed1149a5c54ef452c991">ComputeGradients</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#6ac345441390bd7005196d4a692894da">ComputeScalars</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a01247.html">vtkPointLocator</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#9c6d4f18f02f0c3ed6a15955aa73605d">Locator</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#3145bfaa9c392a6da284cdc23a573455">UseScalarTree</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a01515.html">vtkScalarTree</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00987.html#57f875be5ec7396d6f611792355be179">ScalarTree</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
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<td class="memname">typedef <a class="el" href="a01261.html">vtkPolyDataAlgorithm</a> <a class="el" href="a01261.html">vtkMarchingContourFilter::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="a04379.html#l00069">69</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="34474cc2f09b4fb6345d6c893e9819ea"></a><!-- doxytag: member="vtkMarchingContourFilter::vtkMarchingContourFilter" ref="34474cc2f09b4fb6345d6c893e9819ea" args="()" -->
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<td class="memname">vtkMarchingContourFilter::vtkMarchingContourFilter </td>
<td>(</td>
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<td><code> [protected]</code></td>
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<a class="anchor" name="53741f4f05f1af20bf5aaf6e4ed7f006"></a><!-- doxytag: member="vtkMarchingContourFilter::~vtkMarchingContourFilter" ref="53741f4f05f1af20bf5aaf6e4ed7f006" args="()" -->
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<td class="memname">vtkMarchingContourFilter::~vtkMarchingContourFilter </td>
<td>(</td>
<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="20abe534d33ff4231c3b458390d8f8e5"></a><!-- doxytag: member="vtkMarchingContourFilter::GetClassName" ref="20abe534d33ff4231c3b458390d8f8e5" args="()" -->
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<td class="memname">virtual const char* vtkMarchingContourFilter::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="f480022d8b2744bcb86e1b5acc1831ac"></a><!-- doxytag: member="vtkMarchingContourFilter::IsTypeOf" ref="f480022d8b2744bcb86e1b5acc1831ac" args="(const char *type)" -->
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<td class="memname">static int vtkMarchingContourFilter::IsTypeOf </td>
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<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </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="13553d3acca9a37cc5fc60c9723d51b1"></a><!-- doxytag: member="vtkMarchingContourFilter::IsA" ref="13553d3acca9a37cc5fc60c9723d51b1" args="(const char *type)" -->
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<td class="memname">virtual int vtkMarchingContourFilter::IsA </td>
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<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </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="4005dce69d8583797eee025467a13ba8"></a><!-- doxytag: member="vtkMarchingContourFilter::SafeDownCast" ref="4005dce69d8583797eee025467a13ba8" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a00987.html">vtkMarchingContourFilter</a>* vtkMarchingContourFilter::SafeDownCast </td>
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<td class="paramtype"><a class="el" href="a01084.html">vtkObject</a> * </td>
<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="6363cd8a8e100c93175b9d8ab52a7c73"></a><!-- doxytag: member="vtkMarchingContourFilter::PrintSelf" ref="6363cd8a8e100c93175b9d8ab52a7c73" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">void vtkMarchingContourFilter::PrintSelf </td>
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<td class="paramname"> <em>indent</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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Methods invoked by print to print information about the object including superclasses. Typically not called by the user (use <a class="el" href="a01085.html#edadf6378465fd81c2592ef64262e2a5">Print()</a> instead) but used in the hierarchical print process to combine the output of several classes.
<p>Reimplemented from <a class="el" href="a01261.html#e6d59a63261b0c56f8f473984ae0e1b6">vtkPolyDataAlgorithm</a>.</p>
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<a class="anchor" name="4b680d65032937c1eb0aca9fc5689ae5"></a><!-- doxytag: member="vtkMarchingContourFilter::New" ref="4b680d65032937c1eb0aca9fc5689ae5" args="()" -->
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<td class="memname">static <a class="el" href="a00987.html">vtkMarchingContourFilter</a>* vtkMarchingContourFilter::New </td>
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Construct object with initial range (0,1) and single contour value of 0.0.
<p>Reimplemented from <a class="el" href="a01261.html#cf785ac526132296ff652c636f713b5e">vtkPolyDataAlgorithm</a>.</p>
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<a class="anchor" name="704b505232b527fffeaa3d0f639459b8"></a><!-- doxytag: member="vtkMarchingContourFilter::SetValue" ref="704b505232b527fffeaa3d0f639459b8" args="(int i, double value)" -->
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<td class="memname">void vtkMarchingContourFilter::SetValue </td>
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Methods to set / get contour values.<p>
Set a particular contour value at contour number i. The index i ranges between 0<=i<NumberOfContours.
<p>Definition at line <a class="el" href="a04379.html#l00166">166</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="5864959bca3e7864e39ac015dd2b7f99"></a><!-- doxytag: member="vtkMarchingContourFilter::GetValue" ref="5864959bca3e7864e39ac015dd2b7f99" args="(int i)" -->
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<td class="memname">double vtkMarchingContourFilter::GetValue </td>
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Get the ith contour value.
<p>Definition at line <a class="el" href="a04379.html#l00172">172</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="9ce0ab9b89626878ed4545f42fab9c89"></a><!-- doxytag: member="vtkMarchingContourFilter::GetValues" ref="9ce0ab9b89626878ed4545f42fab9c89" args="()" -->
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<td class="memname">double * vtkMarchingContourFilter::GetValues </td>
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Get a pointer to an array of contour values. There will be <a class="el" href="a00987.html#18a4015bfaa6ea89bfdd329552187b3b">GetNumberOfContours()</a> values in the list.
<p>Definition at line <a class="el" href="a04379.html#l00179">179</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="42c0008edccee198b2ea6516e44bdced"></a><!-- doxytag: member="vtkMarchingContourFilter::GetValues" ref="42c0008edccee198b2ea6516e44bdced" args="(double *contourValues)" -->
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<td class="memname">void vtkMarchingContourFilter::GetValues </td>
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<td class="paramname"> <em>contourValues</em> </td>
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Fill a supplied list with contour values. There will be <a class="el" href="a00987.html#18a4015bfaa6ea89bfdd329552187b3b">GetNumberOfContours()</a> values in the list. Make sure you allocate enough memory to hold the list.
<p>Definition at line <a class="el" href="a04379.html#l00187">187</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="3ff65aa97cb7e39579495b850445b9bc"></a><!-- doxytag: member="vtkMarchingContourFilter::SetNumberOfContours" ref="3ff65aa97cb7e39579495b850445b9bc" args="(int number)" -->
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<td class="memname">void vtkMarchingContourFilter::SetNumberOfContours </td>
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Set the number of contours to place into the list. You only really need to use this method to reduce list size. The method <a class="el" href="a00987.html#704b505232b527fffeaa3d0f639459b8">SetValue()</a> will automatically increase list size as needed.
<p>Definition at line <a class="el" href="a04379.html#l00195">195</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="18a4015bfaa6ea89bfdd329552187b3b"></a><!-- doxytag: member="vtkMarchingContourFilter::GetNumberOfContours" ref="18a4015bfaa6ea89bfdd329552187b3b" args="()" -->
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Get the number of contours in the list of contour values.
<p>Definition at line <a class="el" href="a04379.html#l00201">201</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="8d9f18238effd962471a6fe20dbbdb3e"></a><!-- doxytag: member="vtkMarchingContourFilter::GenerateValues" ref="8d9f18238effd962471a6fe20dbbdb3e" args="(int numContours, double range[2])" -->
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<td class="memname">void vtkMarchingContourFilter::GenerateValues </td>
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Generate numContours equally spaced contour values between specified range. Contour values will include min/max range values.
<p>Definition at line <a class="el" href="a04379.html#l00209">209</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="da111db0d567151151178ab0203de234"></a><!-- doxytag: member="vtkMarchingContourFilter::GenerateValues" ref="da111db0d567151151178ab0203de234" args="(int numContours, double rangeStart, double rangeEnd)" -->
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<td class="memname">void vtkMarchingContourFilter::GenerateValues </td>
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Generate numContours equally spaced contour values between specified range. Contour values will include min/max range values.
<p>Definition at line <a class="el" href="a04379.html#l00219">219</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="5e53715b9cb179e852ea35219c141939"></a><!-- doxytag: member="vtkMarchingContourFilter::GetMTime" ref="5e53715b9cb179e852ea35219c141939" args="()" -->
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<td class="memname">unsigned long vtkMarchingContourFilter::GetMTime </td>
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Modified GetMTime Because we delegate to <a class="el" href="a00330.html" title="helper object to manage setting and generating contour values">vtkContourValues</a>
<p>Reimplemented from <a class="el" href="a01084.html#8137c0551b29bb996f0dd2f886bcd2da">vtkObject</a>.</p>
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<a class="anchor" name="fb59ef79169147e57a7385415ff105af"></a><!-- doxytag: member="vtkMarchingContourFilter::SetComputeNormals" ref="fb59ef79169147e57a7385415ff105af" args="(int)" -->
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Set/Get the computation of normals. Normal computation is fairly expensive in both time and storage. If the output data will be processed by filters that modify topology or geometry, it may be wise to turn Normals and Gradients off.
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<a class="anchor" name="b2bd98e0c29c885712ee0f35b8e32c32"></a><!-- doxytag: member="vtkMarchingContourFilter::GetComputeNormals" ref="b2bd98e0c29c885712ee0f35b8e32c32" args="()" -->
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Set/Get the computation of normals. Normal computation is fairly expensive in both time and storage. If the output data will be processed by filters that modify topology or geometry, it may be wise to turn Normals and Gradients off.
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<a class="anchor" name="6398b01fe7a5fa1424f34101d8ecb581"></a><!-- doxytag: member="vtkMarchingContourFilter::ComputeNormalsOn" ref="6398b01fe7a5fa1424f34101d8ecb581" args="()" -->
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<td class="memname">virtual void vtkMarchingContourFilter::ComputeNormalsOn </td>
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Set/Get the computation of normals. Normal computation is fairly expensive in both time and storage. If the output data will be processed by filters that modify topology or geometry, it may be wise to turn Normals and Gradients off.
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<a class="anchor" name="dd0be6cc232ceb0f6b6e07c945554872"></a><!-- doxytag: member="vtkMarchingContourFilter::ComputeNormalsOff" ref="dd0be6cc232ceb0f6b6e07c945554872" args="()" -->
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Set/Get the computation of normals. Normal computation is fairly expensive in both time and storage. If the output data will be processed by filters that modify topology or geometry, it may be wise to turn Normals and Gradients off.
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<a class="anchor" name="15e9106dd50fbd7b056e3d6149fe52f3"></a><!-- doxytag: member="vtkMarchingContourFilter::SetComputeGradients" ref="15e9106dd50fbd7b056e3d6149fe52f3" args="(int)" -->
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<td class="memname">virtual void vtkMarchingContourFilter::SetComputeGradients </td>
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Set/Get the computation of gradients. Gradient computation is fairly expensive in both time and storage. Note that if ComputeNormals is on, gradients will have to be calculated, but will not be stored in the output dataset. If the output data will be processed by filters that modify topology or geometry, it may be wise to turn Normals and Gradients off.
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<a class="anchor" name="c57690f0418e75193f62b824d8bcbb13"></a><!-- doxytag: member="vtkMarchingContourFilter::GetComputeGradients" ref="c57690f0418e75193f62b824d8bcbb13" args="()" -->
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<td class="memname">virtual int vtkMarchingContourFilter::GetComputeGradients </td>
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Set/Get the computation of gradients. Gradient computation is fairly expensive in both time and storage. Note that if ComputeNormals is on, gradients will have to be calculated, but will not be stored in the output dataset. If the output data will be processed by filters that modify topology or geometry, it may be wise to turn Normals and Gradients off.
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<a class="anchor" name="60ebaadc0689f2413c9fc3241b771f03"></a><!-- doxytag: member="vtkMarchingContourFilter::ComputeGradientsOn" ref="60ebaadc0689f2413c9fc3241b771f03" args="()" -->
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<td class="memname">virtual void vtkMarchingContourFilter::ComputeGradientsOn </td>
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Set/Get the computation of gradients. Gradient computation is fairly expensive in both time and storage. Note that if ComputeNormals is on, gradients will have to be calculated, but will not be stored in the output dataset. If the output data will be processed by filters that modify topology or geometry, it may be wise to turn Normals and Gradients off.
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<a class="anchor" name="3c0a663180a579200931cc75539a7831"></a><!-- doxytag: member="vtkMarchingContourFilter::ComputeGradientsOff" ref="3c0a663180a579200931cc75539a7831" args="()" -->
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<td class="memname">virtual void vtkMarchingContourFilter::ComputeGradientsOff </td>
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<td><code> [virtual]</code></td>
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<p>
Set/Get the computation of gradients. Gradient computation is fairly expensive in both time and storage. Note that if ComputeNormals is on, gradients will have to be calculated, but will not be stored in the output dataset. If the output data will be processed by filters that modify topology or geometry, it may be wise to turn Normals and Gradients off.
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<a class="anchor" name="dd9f282ccd28acd42a9248c40f692a35"></a><!-- doxytag: member="vtkMarchingContourFilter::SetComputeScalars" ref="dd9f282ccd28acd42a9248c40f692a35" args="(int)" -->
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<td class="memname">virtual void vtkMarchingContourFilter::SetComputeScalars </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Set/Get the computation of scalars.
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<a class="anchor" name="3856b792830cf8a9a69c3170a747b880"></a><!-- doxytag: member="vtkMarchingContourFilter::GetComputeScalars" ref="3856b792830cf8a9a69c3170a747b880" args="()" -->
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<td class="memname">virtual int vtkMarchingContourFilter::GetComputeScalars </td>
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<td><code> [virtual]</code></td>
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<p>
Set/Get the computation of scalars.
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<a class="anchor" name="966ada6da3e8a5263dc2c368e6978b3b"></a><!-- doxytag: member="vtkMarchingContourFilter::ComputeScalarsOn" ref="966ada6da3e8a5263dc2c368e6978b3b" args="()" -->
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<td class="memname">virtual void vtkMarchingContourFilter::ComputeScalarsOn </td>
<td>(</td>
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<td><code> [virtual]</code></td>
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<p>
Set/Get the computation of scalars.
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<a class="anchor" name="d171421aa2be835a2a25149529b42883"></a><!-- doxytag: member="vtkMarchingContourFilter::ComputeScalarsOff" ref="d171421aa2be835a2a25149529b42883" args="()" -->
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<td class="memname">virtual void vtkMarchingContourFilter::ComputeScalarsOff </td>
<td>(</td>
<td class="paramname"> </td>
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<td><code> [virtual]</code></td>
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<p>
Set/Get the computation of scalars.
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<a class="anchor" name="61c912eb5597d3dff09c7cb7075bfa48"></a><!-- doxytag: member="vtkMarchingContourFilter::SetUseScalarTree" ref="61c912eb5597d3dff09c7cb7075bfa48" args="(int)" -->
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<td class="memname">virtual void vtkMarchingContourFilter::SetUseScalarTree </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Enable the use of a scalar tree to accelerate contour extraction.
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<a class="anchor" name="726b07e416bd21561b6762b45aada744"></a><!-- doxytag: member="vtkMarchingContourFilter::GetUseScalarTree" ref="726b07e416bd21561b6762b45aada744" args="()" -->
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<td class="memname">virtual int vtkMarchingContourFilter::GetUseScalarTree </td>
<td>(</td>
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<td><code> [virtual]</code></td>
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<p>
Enable the use of a scalar tree to accelerate contour extraction.
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<a class="anchor" name="d68c200eb6ac757687b2c3d53a76905a"></a><!-- doxytag: member="vtkMarchingContourFilter::UseScalarTreeOn" ref="d68c200eb6ac757687b2c3d53a76905a" args="()" -->
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<td class="memname">virtual void vtkMarchingContourFilter::UseScalarTreeOn </td>
<td>(</td>
<td class="paramname"> </td>
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<td><code> [virtual]</code></td>
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Enable the use of a scalar tree to accelerate contour extraction.
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<a class="anchor" name="fb4884d19d66e31337411f8064079f58"></a><!-- doxytag: member="vtkMarchingContourFilter::UseScalarTreeOff" ref="fb4884d19d66e31337411f8064079f58" args="()" -->
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<td class="memname">virtual void vtkMarchingContourFilter::UseScalarTreeOff </td>
<td>(</td>
<td class="paramname"> </td>
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<td><code> [virtual]</code></td>
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<p>
Enable the use of a scalar tree to accelerate contour extraction.
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<a class="anchor" name="860d3407de669d7637b49b51ef705d2f"></a><!-- doxytag: member="vtkMarchingContourFilter::SetLocator" ref="860d3407de669d7637b49b51ef705d2f" args="(vtkPointLocator *locator)" -->
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<td class="memname">void vtkMarchingContourFilter::SetLocator </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a01247.html">vtkPointLocator</a> * </td>
<td class="paramname"> <em>locator</em> </td>
<td> ) </td>
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Set / get a spatial locator for merging points. By default, an instance of <a class="el" href="a01013.html" title="merge exactly coincident points">vtkMergePoints</a> is used.
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<a class="anchor" name="bfd806ca468ee95850bb53a9d1264a13"></a><!-- doxytag: member="vtkMarchingContourFilter::GetLocator" ref="bfd806ca468ee95850bb53a9d1264a13" args="()" -->
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<td class="memname">virtual <a class="el" href="a01247.html">vtkPointLocator</a>* vtkMarchingContourFilter::GetLocator </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Set / get a spatial locator for merging points. By default, an instance of <a class="el" href="a01013.html" title="merge exactly coincident points">vtkMergePoints</a> is used.
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<a class="anchor" name="1ae3ca3cb7024a090e25c78769826455"></a><!-- doxytag: member="vtkMarchingContourFilter::CreateDefaultLocator" ref="1ae3ca3cb7024a090e25c78769826455" args="()" -->
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<td class="memname">void vtkMarchingContourFilter::CreateDefaultLocator </td>
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Create default locator. Used to create one when none is specified. The locator is used to merge coincident points.
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<a class="anchor" name="49931d3fcc30a61c0f6f636d31fe119e"></a><!-- doxytag: member="vtkMarchingContourFilter::RequestData" ref="49931d3fcc30a61c0f6f636d31fe119e" args="(vtkInformation *, vtkInformationVector **, vtkInformationVector *)" -->
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<td class="memname">virtual int vtkMarchingContourFilter::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="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="8970c6b3187cf2f5bae2d0d96818619e"></a><!-- doxytag: member="vtkMarchingContourFilter::FillInputPortInformation" ref="8970c6b3187cf2f5bae2d0d96818619e" args="(int port, vtkInformation *info)" -->
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<td class="memname">virtual int vtkMarchingContourFilter::FillInputPortInformation </td>
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<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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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="bbacf09757a15fdba90785a5e3eecbbf"></a><!-- doxytag: member="vtkMarchingContourFilter::StructuredPointsContour" ref="bbacf09757a15fdba90785a5e3eecbbf" args="(int dim, vtkDataSet *input, vtkPolyData *output)" -->
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<td class="memname">void vtkMarchingContourFilter::StructuredPointsContour </td>
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<td class="paramtype"><a class="el" href="a00374.html">vtkDataSet</a> * </td>
<td class="paramname"> <em>input</em>, </td>
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<td class="paramtype"><a class="el" href="a01260.html">vtkPolyData</a> * </td>
<td class="paramname"> <em>output</em></td><td> </td>
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<td></td><td></td><td><code> [protected]</code></td>
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<a class="anchor" name="9f41e25725a5b57fd4c59c915de3c54d"></a><!-- doxytag: member="vtkMarchingContourFilter::ImageContour" ref="9f41e25725a5b57fd4c59c915de3c54d" args="(int dim, vtkDataSet *input, vtkPolyData *output)" -->
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<td class="memname">void vtkMarchingContourFilter::ImageContour </td>
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<td class="paramtype"><a class="el" href="a00374.html">vtkDataSet</a> * </td>
<td class="paramname"> <em>input</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="a01260.html">vtkPolyData</a> * </td>
<td class="paramname"> <em>output</em></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="c89be6c475af18d3da79d5df6b8da3ed"></a><!-- doxytag: member="vtkMarchingContourFilter::DataSetContour" ref="c89be6c475af18d3da79d5df6b8da3ed" args="(vtkDataSet *input, vtkPolyData *output)" -->
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<td class="memname">void vtkMarchingContourFilter::DataSetContour </td>
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<td class="paramname"> <em>output</em></td><td> </td>
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<td></td><td></td><td><code> [protected]</code></td>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="09ccdd6f0aed6f2d75ea338c4f932722"></a><!-- doxytag: member="vtkMarchingContourFilter::ContourValues" ref="09ccdd6f0aed6f2d75ea338c4f932722" args="" -->
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<td class="memname"><a class="el" href="a00330.html">vtkContourValues</a>* <a class="el" href="a00987.html#09ccdd6f0aed6f2d75ea338c4f932722">vtkMarchingContourFilter::ContourValues</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04379.html#l00145">145</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="6ff97af1c6fec0194d50d29c66c00f68"></a><!-- doxytag: member="vtkMarchingContourFilter::ComputeNormals" ref="6ff97af1c6fec0194d50d29c66c00f68" args="" -->
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<td class="memname">int <a class="el" href="a00987.html#6ff97af1c6fec0194d50d29c66c00f68">vtkMarchingContourFilter::ComputeNormals</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04379.html#l00146">146</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="5fa32c2a432aed1149a5c54ef452c991"></a><!-- doxytag: member="vtkMarchingContourFilter::ComputeGradients" ref="5fa32c2a432aed1149a5c54ef452c991" args="" -->
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<td class="memname">int <a class="el" href="a00987.html#5fa32c2a432aed1149a5c54ef452c991">vtkMarchingContourFilter::ComputeGradients</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04379.html#l00147">147</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="6ac345441390bd7005196d4a692894da"></a><!-- doxytag: member="vtkMarchingContourFilter::ComputeScalars" ref="6ac345441390bd7005196d4a692894da" args="" -->
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<td class="memname">int <a class="el" href="a00987.html#6ac345441390bd7005196d4a692894da">vtkMarchingContourFilter::ComputeScalars</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04379.html#l00148">148</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="9c6d4f18f02f0c3ed6a15955aa73605d"></a><!-- doxytag: member="vtkMarchingContourFilter::Locator" ref="9c6d4f18f02f0c3ed6a15955aa73605d" args="" -->
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<td class="memname"><a class="el" href="a01247.html">vtkPointLocator</a>* <a class="el" href="a00987.html#9c6d4f18f02f0c3ed6a15955aa73605d">vtkMarchingContourFilter::Locator</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04379.html#l00149">149</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="3145bfaa9c392a6da284cdc23a573455"></a><!-- doxytag: member="vtkMarchingContourFilter::UseScalarTree" ref="3145bfaa9c392a6da284cdc23a573455" args="" -->
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<td class="memname">int <a class="el" href="a00987.html#3145bfaa9c392a6da284cdc23a573455">vtkMarchingContourFilter::UseScalarTree</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04379.html#l00150">150</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<a class="anchor" name="57f875be5ec7396d6f611792355be179"></a><!-- doxytag: member="vtkMarchingContourFilter::ScalarTree" ref="57f875be5ec7396d6f611792355be179" args="" -->
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<td class="memname"><a class="el" href="a01515.html">vtkScalarTree</a>* <a class="el" href="a00987.html#57f875be5ec7396d6f611792355be179">vtkMarchingContourFilter::ScalarTree</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04379.html#l00151">151</a> of file <a class="el" href="a04379.html">vtkMarchingContourFilter.h</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Graphics/<a class="el" href="a04379.html">vtkMarchingContourFilter.h</a></ul>
</div>
<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:16:32 2009 for VTK by
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