Levelset.h

#ifndef _LEVELSET_H_
#define _LEVELSET_H_

// Copyright (C) 1997-2008 C. Geuzaine, J.-F. Remacle
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
// 
// Please report all bugs and problems to <gmsh@geuz.org>.

#include "Plugin.h"

class GMSH_LevelsetPlugin : public GMSH_Post_Plugin
{
 private:
  double _invert;
  void _addElement(int step, int np, int numEdges, int numComp,
		   double xp[12], double yp[12], double zp[12],
		   double valp[12][9], PViewDataList *out);
  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