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/*=========================================================================
Program: Visualization Toolkit
Module: vtkUnstructuredGridToReebGraphFilter.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.
=========================================================================*/
/**
* @class vtkUnstructuredGridToReebGraphFilter
* @brief generate a Reeb graph from a
* scalar field defined on a vtkUnstructuredGrid.
*
* The filter will first try to pull as a scalar field the vtkDataArray with
* Id 'fieldId' of the mesh's vtkPointData.
* If this field does not exist, the filter will use the vtkElevationFilter to
* generate a default scalar field.
*/
#ifndef vtkUnstructuredGridToReebGraphFilter_h
#define vtkUnstructuredGridToReebGraphFilter_h
#include "vtkFiltersReebGraphModule.h" // For export macro
#include "vtkDirectedGraphAlgorithm.h"
class vtkReebGraph;
class VTKFILTERSREEBGRAPH_EXPORT vtkUnstructuredGridToReebGraphFilter :
public vtkDirectedGraphAlgorithm
{
public:
static vtkUnstructuredGridToReebGraphFilter* New();
vtkTypeMacro(vtkUnstructuredGridToReebGraphFilter,
vtkDirectedGraphAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
//@{
/**
* Set the scalar field id (default = 0).
*/
vtkSetMacro(FieldId, int);
vtkGetMacro(FieldId, int);
//@}
vtkReebGraph* GetOutput();
protected:
vtkUnstructuredGridToReebGraphFilter();
~vtkUnstructuredGridToReebGraphFilter();
int FieldId;
int FillInputPortInformation(int portNumber, vtkInformation *);
int FillOutputPortInformation(int, vtkInformation *);
int RequestData(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
private:
vtkUnstructuredGridToReebGraphFilter(const vtkUnstructuredGridToReebGraphFilter&) VTK_DELETE_FUNCTION;
void operator=(const vtkUnstructuredGridToReebGraphFilter&) VTK_DELETE_FUNCTION;
};
#endif
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