ttkEigenField.h

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#pragma once
 
// VTK Module
#include <ttkEigenFieldModule.h>
 
// VTK Includes
#include <ttkAlgorithm.h>
 
// TTK Base Includes
#include <EigenField.h>
 
class TTKEIGENFIELD_EXPORT ttkEigenField : public ttkAlgorithm,
                                           protected ttk::EigenField {
 
public:
  static ttkEigenField *New();
 
  vtkTypeMacro(ttkEigenField, ttkAlgorithm);
 
  vtkSetMacro(OutputFieldName, const std::string &);
  vtkGetMacro(OutputFieldName, std::string);
 
  vtkSetMacro(EigenNumber, unsigned int);
  vtkGetMacro(EigenNumber, unsigned int);
 
  vtkSetMacro(ComputeStatistics, bool);
  vtkGetMacro(ComputeStatistics, bool);
 
protected:
  ttkEigenField();
  ~ttkEigenField() override = default;
 
  int FillInputPortInformation(int port, vtkInformation *info) override;
  int FillOutputPortInformation(int port, vtkInformation *info) override;
  int RequestData(vtkInformation *request,
                  vtkInformationVector **inputVector,
                  vtkInformationVector *outputVector) override;
 
private:
  // output field name
  std::string OutputFieldName{"OutputEigenFunctions"};
  // number of eigenpairs to compute
  unsigned int EigenNumber{500};
  // if statistics are to be computed
  bool ComputeStatistics{false};
 
  // enum: float or double
  enum class FieldType { FLOAT, DOUBLE };
 
  FieldType OutputFieldType{FieldType::FLOAT};
};