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/*=========================================================================
Program: Visualization Toolkit
Module: vtkShrinkFilter.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 vtkShrinkFilter
* @brief shrink cells composing an arbitrary data set
*
* vtkShrinkFilter shrinks cells composing an arbitrary data set
* towards their centroid. The centroid of a cell is computed as the
* average position of the cell points. Shrinking results in
* disconnecting the cells from one another. The output of this filter
* is of general dataset type vtkUnstructuredGrid.
*
* @warning
* It is possible to turn cells inside out or cause self intersection
* in special cases.
*
* @sa
* vtkShrinkPolyData
*/
#ifndef vtkShrinkFilter_h
#define vtkShrinkFilter_h
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkUnstructuredGridAlgorithm.h"
class VTKFILTERSGENERAL_EXPORT vtkShrinkFilter : public vtkUnstructuredGridAlgorithm
{
public:
static vtkShrinkFilter *New();
vtkTypeMacro(vtkShrinkFilter,vtkUnstructuredGridAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
//@{
/**
* Get/Set the fraction of shrink for each cell. The default is 0.5.
*/
vtkSetClampMacro(ShrinkFactor, double, 0.0, 1.0);
vtkGetMacro(ShrinkFactor, double);
//@}
protected:
vtkShrinkFilter();
~vtkShrinkFilter() VTK_OVERRIDE;
// Override to specify support for any vtkDataSet input type.
int FillInputPortInformation(int port, vtkInformation* info) VTK_OVERRIDE;
// Main implementation.
int RequestData(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*) VTK_OVERRIDE;
double ShrinkFactor;
private:
vtkShrinkFilter(const vtkShrinkFilter&) VTK_DELETE_FUNCTION;
void operator=(const vtkShrinkFilter&) VTK_DELETE_FUNCTION;
};
#endif
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