vtkVoxelGrid.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkVoxelGrid.h

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See LICENSE file 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 vtkVoxelGrid_h
#define vtkVoxelGrid_h

#include "vtkFiltersPointsModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"

class vtkStaticPointLocator;
class vtkInterpolationKernel;


class VTKFILTERSPOINTS_EXPORT vtkVoxelGrid : public vtkPolyDataAlgorithm
{
public:

  static vtkVoxelGrid *New();
  vtkTypeMacro(vtkVoxelGrid,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  enum Style
  {
    MANUAL=0,
    SPECIFY_LEAF_SIZE=1,
    AUTOMATIC=2
  };


  vtkSetMacro(ConfigurationStyle,int);
  vtkGetMacro(ConfigurationStyle,int);
  void SetConfigurationStyleToManual()
    { this->SetConfigurationStyle(MANUAL); }
  void SetConfigurationStyleToLeafSize()
    { this->SetConfigurationStyle(SPECIFY_LEAF_SIZE); }
  void SetConfigurationStyleToAutomatic()
    { this->SetConfigurationStyle(AUTOMATIC); }


  vtkSetVector3Macro(Divisions,int);
  vtkGetVectorMacro(Divisions,int,3);


  vtkSetVector3Macro(LeafSize,double);
  vtkGetVectorMacro(LeafSize,double,3);


  vtkSetClampMacro(NumberOfPointsPerBin,int,1,VTK_INT_MAX);
  vtkGetMacro(NumberOfPointsPerBin,int);


  void SetKernel(vtkInterpolationKernel *kernel);
  vtkGetObjectMacro(Kernel,vtkInterpolationKernel);

protected:
  vtkVoxelGrid();
  ~vtkVoxelGrid() override;

  vtkStaticPointLocator *Locator;
  int ConfigurationStyle;

  int Divisions[3];
  double LeafSize[3];
  int NumberOfPointsPerBin;
  vtkInterpolationKernel *Kernel;

  int RequestData(vtkInformation *, vtkInformationVector **,
                          vtkInformationVector *) override;
  int FillInputPortInformation(int port, vtkInformation *info) override;

private:
  vtkVoxelGrid(const vtkVoxelGrid&) = delete;
  void operator=(const vtkVoxelGrid&) = delete;

};

#endif