vtkHighestDensityRegionsStatistics.h

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/*=========================================================================
 
Program:   Visualization Toolkit
Module:    vtkHighestDensityRegionsStatistics.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 vtkHighestDensityRegionsStatistics_h
#define vtkHighestDensityRegionsStatistics_h
 
#include "vtkFiltersStatisticsModule.h" // For export macro
#include "vtkStatisticsAlgorithm.h"
 
class vtkMultiBlockDataSet;
class vtkVariant;
 
class VTKFILTERSSTATISTICS_EXPORT vtkHighestDensityRegionsStatistics : public vtkStatisticsAlgorithm
{
public:
  vtkTypeMacro(vtkHighestDensityRegionsStatistics, vtkStatisticsAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkHighestDensityRegionsStatistics* New();
 
  void Aggregate(vtkDataObjectCollection*, vtkMultiBlockDataSet*) override { return; }
 
  void SetSigma(double sigma);
 
  void SetSigmaMatrix(double s11, double s12, double s21, double s22);
 
  double ComputeHDR(vtkDataArray* inObservations, vtkDataArray* outDensity);
 
  double ComputeHDR(vtkDataArray* inObs, vtkDataArray* inPOI, vtkDataArray* outDensity);
 
protected:
  vtkHighestDensityRegionsStatistics();
  ~vtkHighestDensityRegionsStatistics() override;
 
  void Learn(vtkTable*, vtkTable*, vtkMultiBlockDataSet*) override;
 
  void Derive(vtkMultiBlockDataSet*) override;
 
  void Assess(vtkTable*, vtkMultiBlockDataSet*, vtkTable*) override { return; }
 
  void Test(vtkTable*, vtkMultiBlockDataSet*, vtkTable*) override { return; }
 
  void SelectAssessFunctor(vtkTable*, vtkDataObject*, vtkStringArray*, AssessFunctor*&) override
  {
    return;
  }
 
 
  double SmoothHC1[2];
  double SmoothHC2[2];
  double InvSigmaC1[2];
  double InvSigmaC2[2];
  double Determinant;
 
  vtkIdType NumberOfRequestedColumnsPair;
 
private:
  double ComputeSmoothGaussianKernel(int dimension, double khx, double khy);
 
private:
  vtkHighestDensityRegionsStatistics(const vtkHighestDensityRegionsStatistics&) = delete;
  void operator=(const vtkHighestDensityRegionsStatistics&) = delete;
};
 
#endif