Pixyco-XYZ/openmesh
5
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Documentation for decimater modules, updated decimater, more modules

Browse Source 
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@460 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2011-11-16 09:45:08 +00:00
parent bbf5e47a82
commit d4487aaa79
15 changed files with 698 additions and 817 deletions
Download Patch File Download Diff File Expand all files Collapse all files

160
src/OpenMesh/Tools/Decimater/CollapseInfoT.hh
View File

@@ -30,18 +30,18 @@
* License along with OpenMesh. If not, *
* see <http://www.gnu.org/licenses/>. *
* *
\*===========================================================================*/
\*===========================================================================*/
/*===========================================================================*\
* *
* $Revision$ *
* $Date$ *
* *
\*===========================================================================*/
\*===========================================================================*/
/** \file CollapseInfoT.hh
Provides data class CollapseInfoT for storing all information
about a halfedge collapse.
Provides data class CollapseInfoT for storing all information
about a halfedge collapse.
*/
//=============================================================================
@@ -49,129 +49,111 @@
// STRUCT CollpaseInfoT
//
//=============================================================================
#ifndef OPENMESH_DECIMATER_COLLAPSEINFOT_HH
#define OPENMESH_DECIMATER_COLLAPSEINFOT_HH
//== INCLUDES =================================================================
//== NAMESPACE ================================================================
namespace OpenMesh {
namespace OpenMesh {
namespace Decimater {
//== CLASS DEFINITION =========================================================
/** Stores information about a halfedge collapse.
The class stores information about a halfedge collapse. The most
important information is \c v0v1, \c v1v0, \c v0, \c v1, \c vl,
\c vr, which you can lookup in the following image:
\image html collapse_info.png
\see ModProgMeshT::Info
The class stores information about a halfedge collapse. The most
important information is \c v0v1, \c v1v0, \c v0, \c v1, \c vl,
\c vr, which you can lookup in the following image:
\image html collapse_info.png
\see ModProgMeshT::Info
*/
template <class Mesh>
struct CollapseInfoT
{
public:
/** Initializing constructor.
*
* Given a mesh and a halfedge handle of the halfedge to be collapsed
* all important information of a halfedge collapse will be stored.
* \param _mesh Mesh source
* \param _heh Halfedge to collapse. The direction of the halfedge
* defines the direction of the collapse, i.e. the from-vertex
* will be removed and the to-vertex remains.
*/
CollapseInfoT(Mesh& _mesh, typename Mesh::HalfedgeHandle _heh);
template<class Mesh>
struct CollapseInfoT {
public:
/** Initializing constructor.
*
* Given a mesh and a halfedge handle of the halfedge to be collapsed
* all important information of a halfedge collapse will be stored.
* \param _mesh Mesh source
* \param _heh Halfedge to collapse. The direction of the halfedge
* defines the direction of the collapse, i.e. the from-vertex
* will be removed and the to-vertex remains.
*/
CollapseInfoT(Mesh& _mesh, typename Mesh::HalfedgeHandle _heh);
Mesh& mesh;
Mesh& mesh;
typename Mesh::HalfedgeHandle v0v1; ///< Halfedge to be collapsed
typename Mesh::HalfedgeHandle v1v0; ///< Reverse halfedge
typename Mesh::VertexHandle v0; ///< Vertex to be removed
typename Mesh::VertexHandle v1; ///< Remaining vertex
typename Mesh::Point p0; ///< Position of removed vertex
typename Mesh::Point p1; ///< Positions of remaining vertex
typename Mesh::FaceHandle fl; ///< Left face
typename Mesh::FaceHandle fr; ///< Right face
typename Mesh::VertexHandle vl; ///< Left vertex
typename Mesh::VertexHandle vr; ///< Right vertex
//@{
/** Outer remaining halfedge of diamond spanned by \c v0, \c v1,
* \c vl, and \c vr
*/
typename Mesh::HalfedgeHandle vlv1, v0vl, vrv0, v1vr;
//@}
typename Mesh::HalfedgeHandle v0v1; ///< Halfedge to be collapsed
typename Mesh::HalfedgeHandle v1v0; ///< Reverse halfedge
typename Mesh::VertexHandle v0; ///< Vertex to be removed
typename Mesh::VertexHandle v1; ///< Remaining vertex
typename Mesh::Point p0; ///< Position of removed vertex
typename Mesh::Point p1; ///< Positions of remaining vertex
typename Mesh::FaceHandle fl; ///< Left face
typename Mesh::FaceHandle fr; ///< Right face
typename Mesh::VertexHandle vl; ///< Left vertex
typename Mesh::VertexHandle vr; ///< Right vertex
//@{
/** Outer remaining halfedge of diamond spanned by \c v0, \c v1,
* \c vl, and \c vr
*/
typename Mesh::HalfedgeHandle vlv1, v0vl, vrv0, v1vr;
//@}
};
//-----------------------------------------------------------------------------
// CollapseInfoT::CollapseInfoT( _mesh, _heh )
//
// Local configuration of halfedge collapse to be stored in CollapseInfoT:
/*
vl
*
/ \
/ \
/ fl \
v0 *------>* v1
\ fr /
\ /
\ /
*
vr
/**
* Local configuration of halfedge collapse to be stored in CollapseInfoT:
*
* vl
* *
* / \
* / \
* / fl \
* v0 *------>* v1
* \ fr /
* \ /
* \ /
* *
* vr
*
*
* @param _mesh Reference to mesh
* @param _heh The halfedge (v0 -> v1) defining the collapse
*/
// Parameters:
// _mesh Reference to mesh
// _heh The halfedge (v0 -> v1) defining the collapse
//
template <class Mesh>
inline
CollapseInfoT<Mesh>::
CollapseInfoT(Mesh& _mesh, typename Mesh::HalfedgeHandle _heh) :
mesh(_mesh),
v0v1(_heh),
v1v0(_mesh.opposite_halfedge_handle(v0v1)),
v0(_mesh.to_vertex_handle(v1v0)),
v1(_mesh.to_vertex_handle(v0v1)),
p0(_mesh.point(v0)),
p1(_mesh.point(v1)),
fl(_mesh.face_handle(v0v1)),
fr(_mesh.face_handle(v1v0))
template<class Mesh>
inline CollapseInfoT<Mesh>::CollapseInfoT(Mesh& _mesh,
typename Mesh::HalfedgeHandle _heh) :
mesh(_mesh), v0v1(_heh), v1v0(_mesh.opposite_halfedge_handle(v0v1)), v0(
_mesh.to_vertex_handle(v1v0)), v1(_mesh.to_vertex_handle(v0v1)), p0(
_mesh.point(v0)), p1(_mesh.point(v1)), fl(_mesh.face_handle(v0v1)), fr(
_mesh.face_handle(v1v0))
{
// get vl
if (fl.is_valid())
{
if (fl.is_valid()) {
vlv1 = mesh.next_halfedge_handle(v0v1);
v0vl = mesh.next_halfedge_handle(vlv1);
vl = mesh.to_vertex_handle(vlv1);
vl = mesh.to_vertex_handle(vlv1);
vlv1 = mesh.opposite_halfedge_handle(vlv1);
v0vl = mesh.opposite_halfedge_handle(v0vl);
}
// get vr
if (fr.is_valid())
{
if (fr.is_valid()) {
vrv0 = mesh.next_halfedge_handle(v1v0);
v1vr = mesh.next_halfedge_handle(vrv0);
vr = mesh.to_vertex_handle(vrv0);
vr = mesh.to_vertex_handle(vrv0);
vrv0 = mesh.opposite_halfedge_handle(vrv0);
v1vr = mesh.opposite_halfedge_handle(v1vr);
}
}
}
//=============================================================================
} // END_NS_DECIMATER
}// END_NS_DECIMATER
} // END_NS_OPENMESH
//=============================================================================
#endif // OPENMESH_DECIMATER_COLLAPSEINFOT_HH defined