ttkTriangulationManager.h

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#pragma once
 
// VTK Module
#include <ttkTriangulationManagerModule.h>
 
// VTK Includes
#include <vtkDataArraySelection.h>
#include <vtkSmartPointer.h>
 
#ifdef TTK_ENABLE_MPI
#include <ttkPeriodicGhostsGeneration.h>
#include <ttkTriangulationFactory.h>
#endif
 
// TTK Includes
#include <Triangulation.h>
#include <ttkAlgorithm.h>
#include <ttkMacros.h>
 
class vtkPointSet;
class vtkUnstructuredGrid;
 
class TTKTRIANGULATIONMANAGER_EXPORT ttkTriangulationManager
  : public ttkAlgorithm {
 
  using STRATEGY = typename ttk::Triangulation::STRATEGY;
  bool Periodicity{false};
  STRATEGY PreconditioningStrategy{STRATEGY::DEFAULT};
  int Threshold{1000};
  vtkSmartPointer<vtkDataArraySelection> ArraySelection{};
#ifdef TTK_ENABLE_MPI
  vtkNew<ttkPeriodicGhostsGeneration> periodicGhostGenerator{};
#endif
 
public:
  ttkSetEnumMacro(PreconditioningStrategy, STRATEGY);
  vtkGetEnumMacro(PreconditioningStrategy, STRATEGY);
 
  vtkSetMacro(Periodicity, bool);
  vtkGetMacro(Periodicity, bool);
 
  vtkSetMacro(Threshold, int);
  vtkGetMacro(Threshold, int);
 
  // copy the vtkPassSelectedArray ("PassArrays" filter) API
  vtkDataArraySelection *GetDataArraySelection() {
    return this->ArraySelection.GetPointer();
  }
 
  void SetDataArraySelection(
    const vtkSmartPointer<vtkDataArraySelection> &selection) {
    this->ArraySelection = selection;
  }
 
  static ttkTriangulationManager *New();
  vtkTypeMacro(ttkTriangulationManager, ttkAlgorithm);
 
protected:
  ttkTriangulationManager();
  ~ttkTriangulationManager() override = default;
 
  void processImplicit(ttk::Triangulation &triangulation
#ifdef TTK_ENABLE_MPI
                       ,
                       vtkImageData *imageIn,
                       vtkImageData *imageOut
#endif
  );
  int processExplicit(vtkUnstructuredGrid *const output,
                      vtkPointSet *const input,
                      ttk::Triangulation &triangulation) const;
 
  int FillInputPortInformation(int port, vtkInformation *info) override;
  int FillOutputPortInformation(int port, vtkInformation *info) override;
  int RequestData(vtkInformation *request,
                  vtkInformationVector **inputVector,
                  vtkInformationVector *outputVector) override;
#ifdef TTK_ENABLE_MPI
  int RequestUpdateExtent(vtkInformation *ttkNotUsed(request),
                          vtkInformationVector **inputVector,
                          vtkInformationVector *outputVector) override;
  int RequestInformation(vtkInformation *request,
                         vtkInformationVector **inputVectors,
                         vtkInformationVector *outputVector) override;
#endif // TTK_ENABLE_MPI
};