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:
  // Method used to pick points
  enum DistributionType
  {
    RANDOMIZED_ID_STRIDES,
    RANDOM_SAMPLING,
    SPATIALLY_STRATIFIED,
    UNIFORM_SPATIAL_BOUNDS,
    UNIFORM_SPATIAL_SURFACE,
    UNIFORM_SPATIAL_VOLUME
  };
 
  static vtkMaskPoints* New();
  vtkTypeMacro(vtkMaskPoints, vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  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, bool);
  vtkGetMacro(RandomMode, bool);
  vtkBooleanMacro(RandomMode, bool);
 
 
  vtkSetMacro(RandomSeed, int);
  vtkGetMacro(RandomSeed, int);
 
 
  vtkSetClampMacro(RandomModeType, int, RANDOMIZED_ID_STRIDES, UNIFORM_SPATIAL_VOLUME);
  vtkGetMacro(RandomModeType, int);
 
 
  vtkSetMacro(ProportionalMaximumNumberOfPoints, bool);
  vtkGetMacro(ProportionalMaximumNumberOfPoints, bool);
  vtkBooleanMacro(ProportionalMaximumNumberOfPoints, bool);
 
 
  vtkSetMacro(GenerateVertices, bool);
  vtkGetMacro(GenerateVertices, bool);
  vtkBooleanMacro(GenerateVertices, bool);
 
 
  vtkSetMacro(SingleVertexPerCell, bool);
  vtkGetMacro(SingleVertexPerCell, bool);
  vtkBooleanMacro(SingleVertexPerCell, bool);
 
 
  vtkSetMacro(OutputPointsPrecision, int);
  vtkGetMacro(OutputPointsPrecision, int);
 
protected:
  vtkMaskPoints();
  ~vtkMaskPoints() override = default;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  int OnRatio = 2;         // every OnRatio point is on; all others are off.
  vtkIdType Offset = 0;    // or starting point id.
  bool RandomMode = false; // turn on/off randomization.
  int RandomSeed = 1;
  vtkIdType MaximumNumberOfPoints;
  bool GenerateVertices = false; // generate polydata verts
  bool SingleVertexPerCell = false;
  int RandomModeType = RANDOMIZED_ID_STRIDES;
  bool ProportionalMaximumNumberOfPoints = false;
  int OutputPointsPrecision = DEFAULT_PRECISION;
 
  virtual void InternalScatter(unsigned long*, unsigned long*, int, int) {}
  virtual void InternalGather(unsigned long*, unsigned long*, int, int) {}
  virtual void InternalBroadcast(double*, int, int) {}
  virtual void InternalGather(double*, double*, int, int) {}
  virtual int InternalGetNumberOfProcesses() { return 1; }
  virtual int InternalGetLocalProcessId() { return 0; }
  virtual void InternalSplitController(int, int) {}
  virtual void InternalResetController() {}
  virtual void InternalBarrier() {}
 
  unsigned long GetLocalSampleSize(vtkIdType, int);
  double GetLocalAreaFactor(double, int);
 
private:
  vtkMaskPoints(const vtkMaskPoints&) = delete;
  void operator=(const vtkMaskPoints&) = delete;
};
 
#endif