UniformRemesherT.hh

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\*===========================================================================*/
//=============================================================================
//
//  CLASS UniformRemesherT
//
//=============================================================================


#ifndef UNIFORM_REMESHERT_HH
#define UNIFORM_REMESHERT_HH


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

#include "BaseRemesherT.hh"

#include "../ProgressEmitter.hh"

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

namespace Remeshing {


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


template <class Mesh>
class UniformRemesherT : public BaseRemesherT<Mesh>
{
  typedef typename BaseRemesherT<Mesh>::Selection Selection;
public:

  typedef BaseRemesherT<Mesh>          Base;
  typedef typename Mesh::Scalar        Scalar;
  typedef typename Mesh::Point         Point;
  typedef typename Mesh::EdgeHandle    EdgeHandle;
  typedef typename Mesh::VertexHandle  VertexHandle;


  UniformRemesherT(Mesh& _mesh, ProgressEmitter* _progress = NULL) : Base(_mesh, _progress) {}


  void remesh(Scalar        _edge_length,
              unsigned int  _iters,
              unsigned int  _area_iters,
              bool          _use_projection = true,
              Selection     _selection = BaseRemesherT<Mesh>::VERTEX_SELECTION)
  {
//     emin_ = 4.0/5.0 * _edge_length;  sqr_emin_ = emin_ * emin_;
//     emax_ = 4.0/3.0 * _edge_length;  sqr_emax_ = emax_ * emax_;
    emin_ = 0.7 * _edge_length;  sqr_emin_ = emin_ * emin_;
    emax_ = 1.4 * _edge_length;  sqr_emax_ = emax_ * emax_;
    Base::remesh(_iters, _area_iters, _use_projection,_selection);
  }



protected:

  virtual bool is_too_long  (VertexHandle _v0, VertexHandle _v1) const
  {
    return (Base::mesh_.point(_v0) - 
            Base::mesh_.point(_v1)).sqrnorm() > sqr_emax_;
  }

  virtual bool is_too_short (VertexHandle _v0, VertexHandle _v1) const
  {
    return (Base::mesh_.point(_v0) - 
            Base::mesh_.point(_v1)).sqrnorm() < sqr_emin_;
  }


protected:

  Scalar  emax_, sqr_emax_, emin_, sqr_emin_;
};


//=============================================================================
} // namespace Remeshing
//=============================================================================
#endif // UNIFORM_REMESHERT_HH defined
//=============================================================================