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/*=========================================================================
Program: Visualization Toolkit
Module: vtkExtractCells.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*----------------------------------------------------------------------------
Copyright (c) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
// .NAME vtkExtractCells - subset a vtkDataSet to create a vtkUnstructuredGrid
//
// .SECTION Description
// Given a vtkDataSet and a list of cell Ids, create a vtkUnstructuredGrid
// composed of these cells. If the cell list is empty when vtkExtractCells
// executes, it will set up the ugrid, point and cell arrays, with no points,
// cells or data.
#ifndef __vtkExtractCells_h
#define __vtkExtractCells_h
#include "vtkUnstructuredGridAlgorithm.h"
class vtkIdList;
class vtkExtractCellsSTLCloak;
class vtkModelMetadata;
class VTK_GRAPHICS_EXPORT vtkExtractCells : public vtkUnstructuredGridAlgorithm
{
public:
vtkTypeMacro(vtkExtractCells, vtkUnstructuredGridAlgorithm);
virtual void PrintSelf(ostream &os, vtkIndent indent);
static vtkExtractCells *New();
// Description:
// Set the list of cell IDs that the output vtkUnstructuredGrid
// will be composed of. Replaces any other cell ID list supplied
// so far. (Set to NULL to free memory used by cell list.)
void SetCellList(vtkIdList *l);
// Description:
// Add the supplied list of cell IDs to those that will be included
// in the output vtkUnstructuredGrid.
void AddCellList(vtkIdList *l);
// Description:
// Add this range of cell IDs to those that will be included
// in the output vtkUnstructuredGrid.
void AddCellRange(vtkIdType from, vtkIdType to);
protected:
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
virtual int FillInputPortInformation(int port, vtkInformation *info);
vtkExtractCells();
~vtkExtractCells();
private:
void Copy(vtkDataSet *input, vtkUnstructuredGrid *output);
static vtkIdType findInSortedList(vtkIdList *idList, vtkIdType id);
vtkIdList *reMapPointIds(vtkDataSet *grid);
vtkModelMetadata *ExtractMetadata(vtkDataSet *input);
void CopyCellsDataSet(vtkIdList *ptMap, vtkDataSet *input,
vtkUnstructuredGrid *output);
void CopyCellsUnstructuredGrid(vtkIdList *ptMap, vtkDataSet *input,
vtkUnstructuredGrid *output);
vtkExtractCellsSTLCloak *CellList;
int SubSetUGridCellArraySize;
char InputIsUgrid;
vtkExtractCells(const vtkExtractCells&); // Not implemented
void operator=(const vtkExtractCells&); // Not implemented
};
#endif
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