ttkBarycentricSubdivision.h

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#pragma once
 
// VTK Module
#include <ttkBarycentricSubdivisionModule.h>
 
// TTK code includes
#include <BarycentricSubdivision.h>
#include <ttkAlgorithm.h>
 
class vtkUnstructuredGrid;
 
template <typename T>
class vtkSmartPointer;
 
class TTKBARYCENTRICSUBDIVISION_EXPORT ttkBarycentricSubdivision
  : public ttkAlgorithm,
    protected ttk::BarycentricSubdivision {
 
public:
  static ttkBarycentricSubdivision *New();
  vtkGetMacro(SubdivisionLevel, unsigned int);
  vtkSetMacro(SubdivisionLevel, unsigned int);
 
  vtkTypeMacro(ttkBarycentricSubdivision, ttkAlgorithm);
 
protected:
  ttkBarycentricSubdivision();
 
  int FillInputPortInformation(int port, vtkInformation *info) override;
  int FillOutputPortInformation(int port, vtkInformation *info) override;
  int RequestData(vtkInformation *request,
                  vtkInformationVector **inputVector,
                  vtkInformationVector *outputVector) override;

  vtkSmartPointer<vtkDataArray>
    AllocateScalarField(vtkDataArray *const inputScalarField,
                        int ntuples) const;
 
  int InterpolateScalarFields(vtkDataSet *const input,
                              vtkUnstructuredGrid *const output,
                              ttk::Triangulation &inputTriangulation) const;
 
private:
  // number of subdivisions
  unsigned int SubdivisionLevel{1};
};