Implicit.hh

/*===========================================================================*\
 *                                                                           *
 *                                IsoEx                                      *
 *        Copyright (C) 2002 by Computer Graphics Group, RWTH Aachen         *
 *                         www.rwth-graphics.de                              *
 *                                                                           *
 *---------------------------------------------------------------------------* 
 *                                                                           *
 *                                License                                    *
 *                                                                           *
 *  This library is free software; you can redistribute it and/or modify it  *
 *  under the terms of the GNU Library General Public License as published   *
 *  by the Free Software Foundation, version 2.                              *
 *                                                                           *
 *  This library 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        *
 *  Library General Public License for more details.                         *
 *                                                                           *
 *  You should have received a copy of the GNU Library General Public        *
 *  License along with this library; if not, write to the Free Software      *
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                *
 *                                                                           *
\*===========================================================================*/

//=============================================================================
//
//  CLASS Implicit
//
//=============================================================================


#ifndef ISOEX_IMPLICIT_HH
#define ISOEX_IMPLICIT_HH


//== INCLUDES =================================================================

#include <OpenMesh/Core/Geometry/VectorT.hh>
#include <IsoEx/Config/IsoExDefines.hh>

//== NAMESPACES ===============================================================

namespace IsoEx {

//== CLASS DEFINITION =========================================================

template< class Vec3 >
class ISOEXDLLEXPORT Implicit
{
public:
   
  typedef typename Vec3::value_type real;



  Implicit() {}
  virtual ~Implicit() {}






  virtual bool is_inside(const Vec3& _point) const = 0;


  virtual real scalar_distance(const Vec3& _point) const = 0;


  virtual bool directed_distance(const Vec3&  _p0,
                                 const Vec3&  _p1,
                                 Vec3&        _point,
                                 Vec3&        _normal,
                                 real&       _distance) const = 0;
};


//=============================================================================
} // namespace IsoEx
//=============================================================================
#endif // ISOEX_IMPLICITSPHERE_HH defined
//=============================================================================