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66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkExtractSelectedIds.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 vtkExtractSelectedIds
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* @brief extract a list of cells from a dataset
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*
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* vtkExtractSelectedIds extracts a set of cells and points from within a
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* vtkDataSet. The set of ids to extract are listed within a vtkSelection.
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* This filter adds a scalar array called vtkOriginalCellIds that says what
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* input cell produced each output cell. This is an example of a Pedigree ID
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* which helps to trace back results. Depending on whether the selection has
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* GLOBALIDS, VALUES or INDICES, the selection will use the contents of the
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* array named in the GLOBALIDS DataSetAttribute, and arbitrary array, or the
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* position (tuple id or number) within the cell or point array.
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* @sa
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* vtkSelection vtkExtractSelection
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*/
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#ifndef vtkExtractSelectedIds_h
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#define vtkExtractSelectedIds_h
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#include "vtkExtractSelectionBase.h"
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#include "vtkFiltersExtractionModule.h" // For export macro
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class vtkSelection;
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class vtkSelectionNode;
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class VTKFILTERSEXTRACTION_EXPORT vtkExtractSelectedIds : public vtkExtractSelectionBase
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{
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public:
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static vtkExtractSelectedIds* New();
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vtkTypeMacro(vtkExtractSelectedIds, vtkExtractSelectionBase);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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protected:
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vtkExtractSelectedIds();
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~vtkExtractSelectedIds() override;
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// Overridden to indicate that the input must be a vtkDataSet.
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int FillInputPortInformation(int port, vtkInformation* info) override;
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// Usual data generation method
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int ExtractCells(vtkSelectionNode* sel, vtkDataSet* input, vtkDataSet* output);
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int ExtractPoints(vtkSelectionNode* sel, vtkDataSet* input, vtkDataSet* output);
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private:
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vtkExtractSelectedIds(const vtkExtractSelectedIds&) = delete;
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void operator=(const vtkExtractSelectedIds&) = delete;
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};
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#endif
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