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vcglib/vcg/complex/trimesh/update/selection.h

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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* 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 (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.3 2007/04/20 10:11:51 cignoni
Corrected bug in selectionVertexFromFaceStrict
Revision 1.2 2007/02/01 06:37:05 cignoni
Added FaceFromBorder
Revision 1.1 2006/10/16 08:50:58 cignoni
First Working Version
****************************************************************************/
#ifndef __VCG_TRI_UPDATE_SELECTION
#define __VCG_TRI_UPDATE_SELECTION
namespace vcg {
namespace tri {
/// \ingroup trimesh
/// \headerfile selection.h vcg/complex/trimesh/update/selection.h
/// \brief Management, updating and computation of per-vertex and per-face normals.
/**
This class is used to compute or update the normals that can be stored in the vertex or face component of a mesh.
*/
template <class ComputeMeshType>
class UpdateSelection
{
public:
typedef ComputeMeshType MeshType;
typedef typename MeshType::VertexType VertexType;
typedef typename MeshType::VertexPointer VertexPointer;
typedef typename MeshType::VertexIterator VertexIterator;
typedef typename MeshType::FaceType FaceType;
typedef typename MeshType::FacePointer FacePointer;
typedef typename MeshType::FaceIterator FaceIterator;
static size_t AllVertex(MeshType &m)
{
VertexIterator vi;
for(vi = m.vert.begin(); vi != m.vert.end(); ++vi)
if( !(*vi).IsD() ) (*vi).SetS();
return m.vn;
}
static size_t AllFace(MeshType &m)
{
FaceIterator fi;
for(fi = m.face.begin(); fi != m.face.end(); ++fi)
if( !(*fi).IsD() ) (*fi).SetS();
return m.fn;
}
static size_t ClearVertex(MeshType &m)
{
VertexIterator vi;
for(vi = m.vert.begin(); vi != m.vert.end(); ++vi)
if( !(*vi).IsD() ) (*vi).ClearS();
return 0;
}
static size_t ClearFace(MeshType &m)
{
FaceIterator fi;
for(fi = m.face.begin(); fi != m.face.end(); ++fi)
if( !(*fi).IsD() ) (*fi).ClearS();
return 0;
}
static void Clear(MeshType &m)
{
ClearVertex(m);
ClearFace(m);
}
static size_t CountFace(MeshType &m)
{
size_t selCnt=0;
FaceIterator fi;
for(fi=m.face.begin();fi!=m.face.end();++fi)
if(!(*fi).IsD() && (*fi).IsS()) ++selCnt;
return selCnt;
}
static size_t CountVertex(MeshType &m)
{
size_t selCnt=0;
VertexIterator vi;
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
if(!(*vi).IsD() && (*vi).IsS()) ++selCnt;
return selCnt;
}
static size_t InvertFace(MeshType &m)
{
size_t selCnt=0;
FaceIterator fi;
for(fi=m.face.begin();fi!=m.face.end();++fi)
if(!(*fi).IsD())
{
if((*fi).IsS()) (*fi).ClearS();
else {
(*fi).SetS();
++selCnt;
}
}
return selCnt;
}
static size_t InvertVertex(MeshType &m)
{
size_t selCnt=0;
VertexIterator vi;
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
if(!(*vi).IsD())
{
if((*vi).IsS()) (*vi).ClearS();
else {
(*vi).SetS();
++selCnt;
}
}
return selCnt;
}
/// \brief Select all the vertices that are touched by at least a single selected faces
static size_t VertexFromFaceLoose(MeshType &m)
{
size_t selCnt=0;
ClearVertex(m);
FaceIterator fi;
for(fi = m.face.begin(); fi != m.face.end(); ++fi)
if( !(*fi).IsD() && (*fi).IsS())
{
if( !(*fi).V(0)->IsS()) { (*fi).V(0)->SetS(); ++selCnt; }
if( !(*fi).V(1)->IsS()) { (*fi).V(1)->SetS(); ++selCnt; }
if( !(*fi).V(2)->IsS()) { (*fi).V(2)->SetS(); ++selCnt; }
}
return selCnt;
}
/// \brief Select ONLY the vertices that are touched ONLY by selected faces
/** In other words all the vertices having all the faces incident on them selected.
\warning Isolated vertices will not selected.
*/
static size_t VertexFromFaceStrict(MeshType &m)
{
size_t selCnt=0;
VertexFromFaceLoose(m);
FaceIterator fi;
for(fi = m.face.begin(); fi != m.face.end(); ++fi)
if( !(*fi).IsD() && !(*fi).IsS())
{
(*fi).V(0)->ClearS();
(*fi).V(1)->ClearS();
(*fi).V(2)->ClearS();
}
return CountVertex(m);
}
/// \brief Select ONLY the faces with ALL the vertices selected
static size_t FaceFromVertexStrict(MeshType &m)
{
size_t selCnt=0;
ClearFace(m);
FaceIterator fi;
for(fi = m.face.begin(); fi != m.face.end(); ++fi)
if( !(*fi).IsD())
{
if((*fi).V(0)->IsS() && (*fi).V(1)->IsS() && (*fi).V(2)->IsS())
{
(*fi).SetS();
++selCnt;
}
}
return selCnt;
}
static size_t FaceFromVertexLoose(MeshType &m)
{
size_t selCnt=0;
ClearFace(m);
FaceIterator fi;
for(fi = m.face.begin(); fi != m.face.end(); ++fi)
if( !(*fi).IsD() && !(*fi).IsS())
{
if((*fi).V(0)->IsS() || (*fi).V(1)->IsS() || (*fi).V(2)->IsS())
{
(*fi).SetS();
++selCnt;
}
}
return selCnt;
}
static size_t FaceFromBorder(MeshType &m)
{
size_t selCnt=0;
ClearFace(m);
FaceIterator fi;
for(fi = m.face.begin(); fi != m.face.end(); ++fi)
if( !(*fi).IsD() )
{
if((*fi).IsB(0) || (*fi).IsB(1) || (*fi).IsB(2))
{
(*fi).SetS();
++selCnt;
}
}
return selCnt;
}
/// \brief Select ONLY the vertices whose quality is in the specified closed interval.
static size_t VertexFromQualityRange(MeshType &m,float minq, float maxq)
{
size_t selCnt=0;
ClearVertex(m);
VertexIterator vi;
assert(HasPerVertexQuality(m));
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
if(!(*vi).IsD())
{
if( (*vi).Q()>=minq && (*vi).Q()<=maxq )
{
(*vi).SetS();
++selCnt;
}
}
return selCnt;
}
}; // end class
} // End namespace
} // End namespace
#endif
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