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/*=========================================================================
Program: Visualization Toolkit
Module: vtkReebGraphToJoinSplitTreeFilter.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 vtkReebGraphToJoinSplitTreeFilter
* @brief converts a given Reeb graph
* either to a join tree or a split tree (respectively the connectivity of the
* sub- and sur- level sets).
* Note: if you want to use simplification filters, do so on the input Reeb
* graph first.
*
* Reference:
* "Computing contpour trees in all dimensions". H. Carr, J. Snoeyink, U. Axen.
* SODA 2000, pp. 918-926.
*
*
* The filter takes as an input the underlying mesh (port 0, a vtkPolyData for
* 2D meshes or a vtkUnstructuredGrid for 3D meshes) with an attached scalar
* field (identified by FieldId, with setFieldId()) and an input Reeb graph
* computed on that mesh (port 1).
* The outputs is vtkReebGraph object describing either a join or split tree.
*/
#ifndef vtkReebGraphToJoinSplitTreeFilter_h
#define vtkReebGraphToJoinSplitTreeFilter_h
#include "vtkFiltersReebGraphModule.h" // For export macro
#include "vtkDirectedGraphAlgorithm.h"
class vtkReebGraph;
class VTKFILTERSREEBGRAPH_EXPORT vtkReebGraphToJoinSplitTreeFilter :
public vtkDirectedGraphAlgorithm
{
public:
static vtkReebGraphToJoinSplitTreeFilter* New();
vtkTypeMacro(vtkReebGraphToJoinSplitTreeFilter,
vtkDirectedGraphAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
//@{
/**
* Specify if you want to get a join or a split tree.
* Default value: false (join tree)
*/
vtkSetMacro(IsSplitTree, bool);
vtkGetMacro(IsSplitTree, bool);
//@}
//@{
/**
* Set the scalar field Id
* Default value: 0;
*/
vtkSetMacro(FieldId, vtkIdType);
vtkGetMacro(FieldId, vtkIdType);
//@}
vtkReebGraph* GetOutput();
protected:
vtkReebGraphToJoinSplitTreeFilter();
~vtkReebGraphToJoinSplitTreeFilter();
bool IsSplitTree;
vtkIdType FieldId;
int FillInputPortInformation(int portNumber, vtkInformation *);
int FillOutputPortInformation(int, vtkInformation *);
int RequestData(vtkInformation *request,
vtkInformationVector **inputVector, vtkInformationVector *outputVector);
private:
vtkReebGraphToJoinSplitTreeFilter(const vtkReebGraphToJoinSplitTreeFilter&) VTK_DELETE_FUNCTION;
void operator=(const vtkReebGraphToJoinSplitTreeFilter&) VTK_DELETE_FUNCTION;
};
#endif
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