vtkExtractHistogram2D.h

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

  Program:   Visualization Toolkit
  Module:    vtkExtractHistogram2D.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.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2011 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef vtkExtractHistogram2D_h
#define vtkExtractHistogram2D_h

#include "vtkFiltersImagingModule.h" // For export macro
#include "vtkStatisticsAlgorithm.h"

class vtkImageData;
class vtkIdTypeArray;
class vtkMultiBlockDataSet;

class VTKFILTERSIMAGING_EXPORT vtkExtractHistogram2D : public vtkStatisticsAlgorithm
{
public:
  static vtkExtractHistogram2D* New();
  vtkTypeMacro(vtkExtractHistogram2D, vtkStatisticsAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  enum OutputIndices
  {
    HISTOGRAM_IMAGE=3
  };


  vtkSetVector2Macro(NumberOfBins,int);
  vtkGetVector2Macro(NumberOfBins,int);


  vtkSetVector2Macro(ComponentsToProcess,int);
  vtkGetVector2Macro(ComponentsToProcess,int);


  vtkSetVector4Macro(CustomHistogramExtents,double);
  vtkGetVector4Macro(CustomHistogramExtents,double);


  vtkSetMacro(UseCustomHistogramExtents,vtkTypeBool);
  vtkGetMacro(UseCustomHistogramExtents,vtkTypeBool);
  vtkBooleanMacro(UseCustomHistogramExtents,vtkTypeBool);


  vtkSetMacro(ScalarType,int);
  void SetScalarTypeToUnsignedInt()
    {this->SetScalarType(VTK_UNSIGNED_INT);};
  void SetScalarTypeToUnsignedLong()
    {this->SetScalarType(VTK_UNSIGNED_LONG);};
  void SetScalarTypeToUnsignedShort()
    {this->SetScalarType(VTK_UNSIGNED_SHORT);};
  void SetScalarTypeToUnsignedChar()
    {this->SetScalarType(VTK_UNSIGNED_CHAR);};
  void SetScalarTypeToFloat()
    {this->SetScalarType(VTK_FLOAT);};
  void SetScalarTypeToDouble()
    {this->SetScalarType(VTK_DOUBLE);};
  vtkGetMacro(ScalarType,int);


  vtkGetMacro(MaximumBinCount,double);

  int GetBinRange(vtkIdType binX, vtkIdType binY, double range[4]);

  int GetBinRange(vtkIdType bin, double range[4]);

  void GetBinWidth(double bw[2]);

  vtkImageData* GetOutputHistogramImage();

  double* GetHistogramExtents();

  vtkSetMacro(SwapColumns,vtkTypeBool);
  vtkGetMacro(SwapColumns,vtkTypeBool);
  vtkBooleanMacro(SwapColumns,vtkTypeBool);


  virtual void SetRowMask(vtkDataArray*);
  vtkGetObjectMacro(RowMask,vtkDataArray);

  void Aggregate( vtkDataObjectCollection*, vtkMultiBlockDataSet* ) override {}

protected:
  vtkExtractHistogram2D();
  ~vtkExtractHistogram2D() override;

  vtkTypeBool SwapColumns;
  int NumberOfBins[2];
  double HistogramExtents[4];
  double CustomHistogramExtents[4];
  vtkTypeBool UseCustomHistogramExtents;
  int ComponentsToProcess[2];
  double MaximumBinCount;
  int ScalarType;
  vtkDataArray* RowMask;

  virtual int ComputeBinExtents(vtkDataArray* col1, vtkDataArray* col2);

  void Learn( vtkTable* inData,
                      vtkTable* inParameters,
                      vtkMultiBlockDataSet* inMeta ) override;

  void Derive( vtkMultiBlockDataSet* ) override {}

  void Test( vtkTable*,
                     vtkMultiBlockDataSet*,
                     vtkTable* ) override { return; };

  void Assess( vtkTable*,
                       vtkMultiBlockDataSet*,
                       vtkTable* ) override { return; };

  void SelectAssessFunctor( vtkTable* vtkNotUsed(outData),
                                    vtkDataObject* vtkNotUsed(inMeta),
                                    vtkStringArray* vtkNotUsed(rowNames),
                                    AssessFunctor*& vtkNotUsed(dfunc) ) override {}

  int FillOutputPortInformation( int port, vtkInformation* info ) override;

  int RequestInformation (vtkInformation *request,
                                  vtkInformationVector **inputVector,
                                  vtkInformationVector *outputVector) override;

  int GetInputArrays(vtkDataArray*& col1, vtkDataArray*& col2);

private:
  vtkExtractHistogram2D(const vtkExtractHistogram2D&) = delete;
  void operator=(const vtkExtractHistogram2D&) = delete;
};

#endif