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99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkExtractCells.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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Copyright (c) Sandia Corporation
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See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
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----------------------------------------------------------------------------*/
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/**
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* @class vtkExtractCells
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* @brief subset a vtkDataSet to create a vtkUnstructuredGrid
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*
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*
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* Given a vtkDataSet and a list of cell Ids, create a vtkUnstructuredGrid
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* composed of these cells. If the cell list is empty when vtkExtractCells
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* executes, it will set up the ugrid, point and cell arrays, with no points,
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* cells or data.
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*/
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#ifndef vtkExtractCells_h
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#define vtkExtractCells_h
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#include "vtkFiltersExtractionModule.h" // For export macro
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#include "vtkUnstructuredGridAlgorithm.h"
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class vtkIdList;
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class vtkExtractCellsSTLCloak;
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class VTKFILTERSEXTRACTION_EXPORT vtkExtractCells : public vtkUnstructuredGridAlgorithm
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{
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public:
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vtkTypeMacro(vtkExtractCells, vtkUnstructuredGridAlgorithm);
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virtual void PrintSelf(ostream &os, vtkIndent indent);
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static vtkExtractCells *New();
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/**
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* Set the list of cell IDs that the output vtkUnstructuredGrid
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* will be composed of. Replaces any other cell ID list supplied
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* so far. (Set to NULL to free memory used by cell list.)
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*/
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void SetCellList(vtkIdList *l);
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/**
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* Add the supplied list of cell IDs to those that will be included
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* in the output vtkUnstructuredGrid.
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*/
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void AddCellList(vtkIdList *l);
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/**
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* Add this range of cell IDs to those that will be included
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* in the output vtkUnstructuredGrid.
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*/
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void AddCellRange(vtkIdType from, vtkIdType to);
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protected:
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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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vtkExtractCells();
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~vtkExtractCells();
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private:
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void Copy(vtkDataSet *input, vtkUnstructuredGrid *output);
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static vtkIdType findInSortedList(vtkIdList *idList, vtkIdType id);
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vtkIdList *reMapPointIds(vtkDataSet *grid);
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void CopyCellsDataSet(vtkIdList *ptMap, vtkDataSet *input,
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vtkUnstructuredGrid *output);
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void CopyCellsUnstructuredGrid(vtkIdList *ptMap, vtkDataSet *input,
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vtkUnstructuredGrid *output);
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vtkExtractCellsSTLCloak *CellList;
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int SubSetUGridCellArraySize;
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char InputIsUgrid;
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vtkExtractCells(const vtkExtractCells&) VTK_DELETE_FUNCTION;
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void operator=(const vtkExtractCells&) VTK_DELETE_FUNCTION;
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};
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#endif
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