Levelset.h

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// Gmsh - Copyright (C) 1997-2022 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file in the Gmsh root directory for license information.
// Please report all issues on https://gitlab.onelab.info/gmsh/gmsh/issues.
 
#ifndef LEVELSET_H
#define LEVELSET_H
 
#include "Plugin.h"
 
class GMSH_LevelsetPlugin : public GMSH_PostPlugin {
private:
  double _invert;
  void _addElement(int np, int numEdges, int numComp, double xp[12],
                   double yp[12], double zp[12], double valp[12][9],
                   PViewDataList *out, bool firstStep);
  void _cutAndAddElements(PViewData *vdata, PViewData *wdata, int ent, int ele,
                          int step, int wstep, double x[8], double y[8],
                          double z[8], double levels[8], double scalarValues[8],
                          PViewDataList *out);
 
protected:
  double _ref[3], _targetError;
  int _valueTimeStep, _valueView, _valueIndependent, _recurLevel,
    _extractVolume;
  typedef enum { NONE, PLANE, SPHERE, MAP } ORIENTATION;
  ORIENTATION _orientation;
 
public:
  GMSH_LevelsetPlugin();
  virtual double levelset(double x, double y, double z, double val) const = 0;
  virtual PView *execute(PView *);
  void assignSpecificVisibility() const;
};
 
#endif