vtkMaskPoints.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkMaskPoints.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.
 
=========================================================================*/
#ifndef vtkMaskPoints_h
#define vtkMaskPoints_h
 
#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
class VTKFILTERSCORE_EXPORT vtkMaskPoints : public vtkPolyDataAlgorithm
{
public:
  static vtkMaskPoints *New();
  vtkTypeMacro(vtkMaskPoints,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  vtkSetClampMacro(OnRatio,int,1,VTK_INT_MAX);
  vtkGetMacro(OnRatio,int);
 
 
  vtkSetClampMacro(MaximumNumberOfPoints,vtkIdType,0,VTK_ID_MAX);
  vtkGetMacro(MaximumNumberOfPoints,vtkIdType);
 
 
  vtkSetClampMacro(Offset,vtkIdType,0,VTK_ID_MAX);
  vtkGetMacro(Offset,vtkIdType);
 
 
  vtkSetMacro(RandomMode,int);
  vtkGetMacro(RandomMode,int);
  vtkBooleanMacro(RandomMode,int);
 
 
  vtkSetClampMacro(RandomModeType, int, 0, 2);
  vtkGetMacro(RandomModeType, int);
 
 
  vtkSetMacro(ProportionalMaximumNumberOfPoints, int);
  vtkGetMacro(ProportionalMaximumNumberOfPoints, int);
  vtkBooleanMacro(ProportionalMaximumNumberOfPoints, int);
 
 
  vtkSetMacro(GenerateVertices,int);
  vtkGetMacro(GenerateVertices,int);
  vtkBooleanMacro(GenerateVertices,int);
 
 
  vtkSetMacro(SingleVertexPerCell,int);
  vtkGetMacro(SingleVertexPerCell,int);
  vtkBooleanMacro(SingleVertexPerCell,int);
 
 
  vtkSetMacro(OutputPointsPrecision,int);
  vtkGetMacro(OutputPointsPrecision,int);
 
protected:
  vtkMaskPoints();
  ~vtkMaskPoints() {}
 
  virtual int RequestData(vtkInformation *, vtkInformationVector **,
                          vtkInformationVector *);
  virtual int FillInputPortInformation(int port, vtkInformation *info);
 
  int OnRatio;     // every OnRatio point is on; all others are off.
  vtkIdType Offset;      // offset (or starting point id)
  int RandomMode;  // turn on/off randomization
  vtkIdType MaximumNumberOfPoints;
  int GenerateVertices; //generate polydata verts
  int SingleVertexPerCell;
  int RandomModeType; // choose the random sampling mode
  int ProportionalMaximumNumberOfPoints;
  int OutputPointsPrecision;
 
  virtual void InternalScatter(unsigned long*, unsigned long *, int, int) {}
  virtual void InternalGather(unsigned long*, unsigned long*, int, int) {}
  virtual int InternalGetNumberOfProcesses() { return 1; };
  virtual int InternalGetLocalProcessId() { return 0; };
  virtual void InternalBarrier() {}
  unsigned long GetLocalSampleSize(vtkIdType, int);
 
private:
  vtkMaskPoints(const vtkMaskPoints&);  // Not implemented.
  void operator=(const vtkMaskPoints&);  // Not implemented.
};
 
#endif