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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile$
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.
=========================================================================*/
// .NAME vtkPolyDataToReebGraphFilter - generate a Reeb graph from a scalar
// field defined on a vtkPolyData.
// .SECTION Description
// 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 __vtkPolyDataToReebGraphFilter_h
#define __vtkPolyDataToReebGraphFilter_h
#include "vtkDirectedGraphAlgorithm.h"
class vtkReebGraph;
class VTK_GRAPHICS_EXPORT vtkPolyDataToReebGraphFilter :
public vtkDirectedGraphAlgorithm
{
public:
static vtkPolyDataToReebGraphFilter* New();
vtkTypeMacro(vtkPolyDataToReebGraphFilter, vtkDirectedGraphAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Set the scalar field id (default = 0).
vtkSetMacro(FieldId, int);
vtkGetMacro(FieldId, int);
vtkReebGraph* GetOutput();
protected:
vtkPolyDataToReebGraphFilter();
~vtkPolyDataToReebGraphFilter();
int FieldId;
int FillInputPortInformation(int portNumber, vtkInformation *);
int FillOutputPortInformation(int, vtkInformation *);
int RequestData(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
private:
vtkPolyDataToReebGraphFilter(const vtkPolyDataToReebGraphFilter&);
// Not implemented.
void operator=(const vtkPolyDataToReebGraphFilter&); // Not implemented.
};
#endif
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