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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkMaskPolyData.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 vtkMaskPolyData
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* @brief sample subset of input polygonal data cells
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*
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* vtkMaskPolyData is a filter that sub-samples the cells of input polygonal
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* data. The user specifies every nth item, with an initial offset to begin
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* sampling.
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*
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* @sa
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* vtkMaskPoints
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*/
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#ifndef vtkMaskPolyData_h
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#define vtkMaskPolyData_h
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#include "vtkFiltersCoreModule.h" // For export macro
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#include "vtkPolyDataAlgorithm.h"
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class VTKFILTERSCORE_EXPORT vtkMaskPolyData : public vtkPolyDataAlgorithm
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{
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public:
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static vtkMaskPolyData* New();
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vtkTypeMacro(vtkMaskPolyData, vtkPolyDataAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Turn on every nth entity (cell).
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*/
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vtkSetClampMacro(OnRatio, int, 1, VTK_INT_MAX);
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vtkGetMacro(OnRatio, int);
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//@}
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//@{
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/**
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* Start with this entity (cell).
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*/
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vtkSetClampMacro(Offset, vtkIdType, 0, VTK_ID_MAX);
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vtkGetMacro(Offset, vtkIdType);
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//@}
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protected:
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vtkMaskPolyData();
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~vtkMaskPolyData() override {}
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int OnRatio; // every OnRatio entity is on; all others are off.
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vtkIdType Offset; // offset (or starting point id)
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private:
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vtkMaskPolyData(const vtkMaskPolyData&) = delete;
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void operator=(const vtkMaskPolyData&) = delete;
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};
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#endif
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