ttkStableManifoldPersistence.h

Go to the documentation of this file.

 
 
#pragma once
 
// VTK Module
#include <ttkStableManifoldPersistenceModule.h>
 
// ttk code includes
#include <ttkAlgorithm.h>
 
class vtkDataArray;
class vtkPolyData;
class vtkUnstructuredGrid;
 
class TTKSTABLEMANIFOLDPERSISTENCE_EXPORT ttkStableManifoldPersistence
  : public ttkAlgorithm {
 
public:
  static ttkStableManifoldPersistence *New();
  vtkTypeMacro(ttkStableManifoldPersistence, ttkAlgorithm);
 
  vtkGetMacro(IsUnstable, bool);
  vtkSetMacro(IsUnstable, bool);
 
protected:
  ttkStableManifoldPersistence();
 
  int FillInputPortInformation(int port, vtkInformation *info) override;
  int FillOutputPortInformation(int port, vtkInformation *info) override;
  int RequestData(vtkInformation *request,
                  vtkInformationVector **inputVector,
                  vtkInformationVector *outputVector) override;
 
private:
  bool IsUnstable{false};
 
  std::vector<int> max2simplex_, min2simplex_;
  std::vector<double> simplex2persistence_;
  std::vector<int> simplex2pairType_;
 
  int AttachPersistence(vtkDataSet *output) const;
 
  int BuildSimplex2PersistenceMap(vtkDataSet *stableManifold,
                                  vtkPolyData *criticalPoints,
                                  vtkUnstructuredGrid *persistenceDiagram);
};