vtkHighestDensityRegionsStatistics.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkHighestDensityRegionsStatistics_h
#define vtkHighestDensityRegionsStatistics_h
 
#include "vtkFiltersStatisticsModule.h" // For export macro
#include "vtkStatisticsAlgorithm.h"
 
VTK_ABI_NAMESPACE_BEGIN
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 {}
 
  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 {}
 
  void Test(vtkTable*, vtkMultiBlockDataSet*, vtkTable*) override {}
 
  void SelectAssessFunctor(vtkTable*, vtkDataObject*, vtkStringArray*, AssessFunctor*&) override {}
 
 
  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);
 
  vtkHighestDensityRegionsStatistics(const vtkHighestDensityRegionsStatistics&) = delete;
  void operator=(const vtkHighestDensityRegionsStatistics&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif