MeshFixingT.hh

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#ifndef OPENMESH_MESHFIXING_HH
#define OPENMESH_MESHFIXING_HH

//=============================================================================
//
//  CLASS MeshFixing
//
//=============================================================================

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

//== NAMESPACE ================================================================

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

class CompareVectors
{
public:

  explicit CompareVectors(double _eps = FLT_MIN);

  bool operator()( const ACG::Vec3d& _v0, const ACG::Vec3d& _v1 ) const;

private:
  const double epsilon_;
};


template<class MeshT>
class MeshFixing {

public:

  MeshFixing(MeshT& _mesh, double _epsilon );

  bool fix();


private:

  TriMesh& mesh_;


  void add_face(const ACG::Vec3d& _p0, const ACG::Vec3d& _p1, const ACG::Vec3d& _p2);

  void fix_topology();
  void fix_orientation();

  int neighbor(unsigned int _f, unsigned int _v0, unsigned int _v1);



  struct Vertex
  {
    explicit Vertex(const ACG::Vec3d& _p) : p(_p) { };
    ACG::Vec3d                    p;

    std::vector<unsigned int>     faces;
  };

  struct Face
  {
    Face(int _i0, int _i1, int _i2) :
            component(-1)
    {
      v[0] = _i0;
      v[1] = _i1;
      v[2] = _i2;

    }

    unsigned int  v[3];
    int  component;
  };


  typedef std::map<ACG::Vec3d, int, CompareVectors>  VertexMap;

  typedef VertexMap::iterator MapIter;

  std::vector<Vertex>  vertices_;
  std::vector<Face>    faces_;


  int add_vertex(const ACG::Vec3d& _p);

  VertexMap            vmap_;

};

#if defined(INCLUDE_TEMPLATES) && !defined(OPENMESH_MESHFIXING_CC)
#define OPENMESH_MESHFIXING_TEMPLATES
#include "MeshFixingT_impl.hh"
#endif

#endif