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/*=========================================================================
Program: Visualization Toolkit
Module: vtkMaskPolyData.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.
=========================================================================*/
// .NAME vtkMaskPolyData - sample subset of input polygonal data cells
// .SECTION Description
// vtkMaskPolyData is a filter that sub-samples the cells of input polygonal
// data. The user specifies every nth item, with an initial offset to begin
// sampling.
// .SECTION See Also
// vtkMaskPoints
#ifndef __vtkMaskPolyData_h
#define __vtkMaskPolyData_h
#include "vtkPolyDataAlgorithm.h"
class VTK_GRAPHICS_EXPORT vtkMaskPolyData : public vtkPolyDataAlgorithm
{
public:
static vtkMaskPolyData *New();
vtkTypeMacro(vtkMaskPolyData,vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Turn on every nth entity (cell).
vtkSetClampMacro(OnRatio,int,1,VTK_LARGE_INTEGER);
vtkGetMacro(OnRatio,int);
// Description:
// Start with this entity (cell).
vtkSetClampMacro(Offset,vtkIdType,0,VTK_LARGE_ID);
vtkGetMacro(Offset,vtkIdType);
protected:
vtkMaskPolyData();
~vtkMaskPolyData() {};
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
int OnRatio; // every OnRatio entity is on; all others are off.
vtkIdType Offset; // offset (or starting point id)
private:
vtkMaskPolyData(const vtkMaskPolyData&); // Not implemented.
void operator=(const vtkMaskPolyData&); // Not implemented.
};
#endif
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