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116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkExtractGeometry.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkExtractGeometry
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* @brief extract cells that lie either entirely inside or outside of a specified implicit function
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*
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*
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* vtkExtractGeometry extracts from its input dataset all cells that are either
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* completely inside or outside of a specified implicit function. Any type of
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* dataset can be input to this filter. On output the filter generates an
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* unstructured grid.
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*
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* To use this filter you must specify an implicit function. You must also
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* specify whethter to extract cells laying inside or outside of the implicit
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* function. (The inside of an implicit function is the negative values
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* region.) An option exists to extract cells that are neither inside or
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* outside (i.e., boundary).
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*
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* A more efficient version of this filter is available for vtkPolyData input.
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* See vtkExtractPolyDataGeometry.
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*
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* @sa
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* vtkExtractPolyDataGeometry vtkGeometryFilter vtkExtractVOI
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*/
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#ifndef vtkExtractGeometry_h
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#define vtkExtractGeometry_h
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#include "vtkFiltersExtractionModule.h" // For export macro
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#include "vtkUnstructuredGridAlgorithm.h"
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class vtkImplicitFunction;
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class VTKFILTERSEXTRACTION_EXPORT vtkExtractGeometry : public vtkUnstructuredGridAlgorithm
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{
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public:
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vtkTypeMacro(vtkExtractGeometry,vtkUnstructuredGridAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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/**
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* Construct object with ExtractInside turned on.
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*/
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static vtkExtractGeometry *New();
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/**
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* Return the MTime taking into account changes to the implicit function
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*/
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vtkMTimeType GetMTime();
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//@{
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/**
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* Specify the implicit function for inside/outside checks.
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*/
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virtual void SetImplicitFunction(vtkImplicitFunction*);
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vtkGetObjectMacro(ImplicitFunction,vtkImplicitFunction);
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//@}
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//@{
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/**
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* Boolean controls whether to extract cells that are inside of implicit
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* function (ExtractInside == 1) or outside of implicit function
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* (ExtractInside == 0).
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*/
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vtkSetMacro(ExtractInside,int);
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vtkGetMacro(ExtractInside,int);
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vtkBooleanMacro(ExtractInside,int);
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//@}
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//@{
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/**
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* Boolean controls whether to extract cells that are partially inside.
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* By default, ExtractBoundaryCells is off.
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*/
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vtkSetMacro(ExtractBoundaryCells,int);
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vtkGetMacro(ExtractBoundaryCells,int);
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vtkBooleanMacro(ExtractBoundaryCells,int);
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vtkSetMacro(ExtractOnlyBoundaryCells,int);
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vtkGetMacro(ExtractOnlyBoundaryCells,int);
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vtkBooleanMacro(ExtractOnlyBoundaryCells,int);
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//@}
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protected:
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vtkExtractGeometry(vtkImplicitFunction *f=NULL);
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~vtkExtractGeometry();
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// Usual data generation method
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virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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virtual int FillInputPortInformation(int port, vtkInformation *info);
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vtkImplicitFunction *ImplicitFunction;
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int ExtractInside;
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int ExtractBoundaryCells;
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int ExtractOnlyBoundaryCells;
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private:
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vtkExtractGeometry(const vtkExtractGeometry&) VTK_DELETE_FUNCTION;
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void operator=(const vtkExtractGeometry&) VTK_DELETE_FUNCTION;
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};
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#endif
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