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127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
/*=========================================================================
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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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//@{
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/**
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* Standard methods for construction, type info, and printing.
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*/
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vtkTypeMacro(vtkExtractCells, vtkUnstructuredGridAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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static vtkExtractCells* New();
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//@}
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/**
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* Set the list of cell IDs that the output vtkUnstructuredGrid will be
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* composed of. Replaces any other cell ID list supplied so far. (Set to
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* nullptr to free memory used by cell list.) The cell ids should be >=0.
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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 in the
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* output vtkUnstructuredGrid. The cell ids should be >=0.
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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 in the output
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* vtkUnstructuredGrid. Note that (from < to), and (from >= 0).
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*/
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void AddCellRange(vtkIdType from, vtkIdType to);
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//@{
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/**
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* Another way to provide ids using a pointer to vtkIdType array.
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*/
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void SetCellIds(const vtkIdType* ptr, vtkIdType numValues);
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void AddCellIds(const vtkIdType* ptr, vtkIdType numValues);
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//@}
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//@{
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/**
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* If all cells are being extracted, this filter can use fast path to speed up
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* the extraction. In that case, one can set this flag to true. When set to
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* true, cell ids added via the various methods are simply ignored.
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* Defaults to false.
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*/
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vtkSetMacro(ExtractAllCells, bool);
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vtkGetMacro(ExtractAllCells, bool);
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vtkBooleanMacro(ExtractAllCells, bool);
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//@}
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//@{
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/**
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* If the cell ids specified are already sorted and unique, then set this to
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* true to avoid the filter from doing time-consuming sorts and uniquification
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* operations. Defaults to false.
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*/
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vtkSetMacro(AssumeSortedAndUniqueIds, bool);
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vtkGetMacro(AssumeSortedAndUniqueIds, bool);
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vtkBooleanMacro(AssumeSortedAndUniqueIds, bool);
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//@}
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protected:
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int FillInputPortInformation(int port, vtkInformation* info) override;
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vtkExtractCells();
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~vtkExtractCells() override;
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void Copy(vtkDataSet* input, vtkUnstructuredGrid* output);
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vtkIdType ReMapPointIds(vtkDataSet* grid);
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void CopyCellsDataSet(vtkDataSet* input, vtkUnstructuredGrid* output);
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void CopyCellsUnstructuredGrid(vtkDataSet* input, vtkUnstructuredGrid* output);
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vtkExtractCellsSTLCloak* CellList = nullptr;
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vtkIdType SubSetUGridCellArraySize = 0;
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vtkIdType SubSetUGridFacesArraySize = 0;
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bool InputIsUgrid = false;
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bool ExtractAllCells = false;
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bool AssumeSortedAndUniqueIds = false;
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private:
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vtkExtractCells(const vtkExtractCells&) = delete;
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void operator=(const vtkExtractCells&) = delete;
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};
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#endif
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