Cleaned up the UpdateFlags class. Assert into throw...

This commit is contained in:
Paolo Cignoni 2012-11-10 16:33:38 +00:00
parent aca80c215b
commit 9cea19e537
1 changed files with 311 additions and 376 deletions

View File

@ -19,72 +19,6 @@
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.20 2007/05/31 15:24:50 ponchio
FIxed off-by-one error on FaceBorderFromNone.
Revision 1.19 2007/05/22 15:19:42 cignoni
Added VertexClear
Revision 1.18 2007/01/30 18:49:23 tarini
aggiunta la VertexBorderFromNone (flag bordo per vertici senza richiedere nulla)
Revision 1.17 2006/08/31 13:11:12 marfr960
corrected bounds of a vector scan
Revision 1.16 2006/08/30 12:59:49 marfr960
Added missing std:: to swap
Revision 1.15 2006/08/30 06:50:07 cignoni
Reverted to version 1.13. Version 1.14 was done on outdated version.
Revision 1.13 2006/06/18 20:49:30 cignoni
Added missing IsD tests
Revision 1.12 2006/05/03 21:23:25 cignoni
Corrected IsDeleted -> isD
Revision 1.11 2005/12/02 00:09:12 cignoni
Added assert(HasFlags) everywhere..
Revision 1.10 2005/07/06 08:16:34 ganovelli
set VertexBorderFromFace as static
Revision 1.9 2005/06/10 15:07:23 cignoni
Completed FaceBorderFromNone (and added a missing helper class)
Revision 1.8 2005/04/01 13:04:55 fiorin
Minor changes
Revision 1.7 2004/09/14 19:49:43 ganovelli
first compilation version
Revision 1.6 2004/07/15 00:13:39 cignoni
Better doxigen documentation
Revision 1.5 2004/07/06 06:27:02 cignoni
Added FaceBorderFromVF
Revision 1.4 2004/05/13 15:58:55 ganovelli
function Clear added
Revision 1.3 2004/03/12 15:22:19 cignoni
Written some documentation and added to the trimes doxygen module
Revision 1.2 2004/03/10 00:46:10 cignoni
changed to the face::IsBorder() style
Revision 1.1 2004/03/05 10:59:24 cignoni
Changed name from plural to singular (normals->normal)
Revision 1.1 2004/03/04 00:37:56 cignoni
First working version!
****************************************************************************/
#ifndef __VCG_TRI_UPDATE_FLAGS
#define __VCG_TRI_UPDATE_FLAGS
@ -108,336 +42,337 @@ class UpdateFlags
{
public:
typedef UpdateMeshType MeshType;
typedef vcg::face::Pos<typename UpdateMeshType::FaceType> PosType;
typedef typename MeshType::ScalarType ScalarType;
typedef typename MeshType::VertexType VertexType;
typedef typename MeshType::VertexPointer VertexPointer;
typedef typename MeshType::VertexIterator VertexIterator;
typedef typename MeshType::EdgeType EdgeType;
typedef typename MeshType::EdgePointer EdgePointer;
typedef typename MeshType::EdgeIterator EdgeIterator;
typedef typename MeshType::FaceType FaceType;
typedef typename MeshType::FacePointer FacePointer;
typedef typename MeshType::FaceIterator FaceIterator;
typedef UpdateMeshType MeshType;
typedef vcg::face::Pos<typename UpdateMeshType::FaceType> PosType;
typedef typename MeshType::ScalarType ScalarType;
typedef typename MeshType::VertexType VertexType;
typedef typename MeshType::VertexPointer VertexPointer;
typedef typename MeshType::VertexIterator VertexIterator;
typedef typename MeshType::EdgeType EdgeType;
typedef typename MeshType::EdgePointer EdgePointer;
typedef typename MeshType::EdgeIterator EdgeIterator;
typedef typename MeshType::FaceType FaceType;
typedef typename MeshType::FacePointer FacePointer;
typedef typename MeshType::FaceIterator FaceIterator;
/// \brief Reset all the mesh flags (both vertexes and faces) setting everithing to zero (the default value for flags)
/// \brief Reset all the mesh flags (vertexes edge faces) setting everithing to zero (the default value for flags)
static void Clear(MeshType &m)
{
assert(HasPerFaceFlags(m));
FaceIterator fi;
VertexIterator vi;
for(fi=m.face.begin(); fi!=m.face.end(); ++fi)
(*fi).Flags() = 0;
for(vi=m.vert.begin(); vi!=m.vert.end(); ++vi)
(*vi).Flags() = 0;
}
static void Clear(MeshType &m)
{
if(HasPerVertexFlags(m) )
for(VertexIterator vi=m.vert.begin(); vi!=m.vert.end(); ++vi)
(*vi).Flags() = 0;
if(HasPerEdgeFlags(m) )
for(EdgeIterator ei=m.edge.begin(); ei!=m.edge.end(); ++ei)
(*ei).Flags() = 0;
if(HasPerFaceFlags(m) )
for(FaceIterator fi=m.face.begin(); fi!=m.face.end(); ++fi)
(*fi).Flags() = 0;
}
static void VertexClear(MeshType &m, unsigned int FlagMask = 0xffffffff)
{
VertexIterator vi;
int andMask = ~FlagMask;
for(vi=m.vert.begin(); vi!=m.vert.end(); ++vi)
if(!(*vi).IsD()) (*vi).Flags() &= andMask ;
}
static void EdgeClear(MeshType &m, unsigned int FlagMask = 0xffffffff)
{
EdgeIterator ei;
int andMask = ~FlagMask;
for(ei=m.edge.begin(); ei!=m.edge.end(); ++ei)
if(!(*ei).IsD()) (*ei).Flags() &= andMask ;
}
static void FaceClear(MeshType &m, unsigned int FlagMask = 0xffffffff)
{
FaceIterator fi;
int andMask = ~FlagMask;
for(fi=m.face.begin(); fi!=m.face.end(); ++fi)
if(!(*fi).IsD()) (*fi).Flags() &= andMask ;
}
static void VertexClear(MeshType &m, unsigned int FlagMask = 0xffffffff)
{
if(!HasPerVertexFlags(m)) throw vcg::MissingComponentException("VertexFlags");
int andMask = ~FlagMask;
for(VertexIterator vi=m.vert.begin(); vi!=m.vert.end(); ++vi)
if(!(*vi).IsD()) (*vi).Flags() &= andMask ;
}
static void VertexSet(MeshType &m, unsigned int FlagMask)
{
VertexIterator vi;
for(vi=m.vert.begin(); vi!=m.vert.end(); ++vi)
if(!(*vi).IsD()) (*vi).Flags() |= FlagMask ;
}
static void EdgeClear(MeshType &m, unsigned int FlagMask = 0xffffffff)
{
if(!HasPerEdgeFlags(m)) throw vcg::MissingComponentException("EdgeFlags");
int andMask = ~FlagMask;
for(EdgeIterator ei=m.edge.begin(); ei!=m.edge.end(); ++ei)
if(!(*ei).IsD()) (*ei).Flags() &= andMask ;
}
static void FaceSet(MeshType &m, unsigned int FlagMask)
{
FaceIterator fi;
for(fi=m.face.begin(); fi!=m.face.end(); ++fi)
if(!(*fi).IsD()) (*fi).Flags() |= FlagMask ;
}
static void FaceClear(MeshType &m, unsigned int FlagMask = 0xffffffff)
{
if(!HasPerFaceFlags(m)) throw vcg::MissingComponentException("FaceFlags");
int andMask = ~FlagMask;
for(FaceIterator fi=m.face.begin(); fi!=m.face.end(); ++fi)
if(!(*fi).IsD()) (*fi).Flags() &= andMask ;
}
static void VertexSet(MeshType &m, unsigned int FlagMask)
{
if(!HasPerVertexFlags(m)) throw vcg::MissingComponentException("VertexFlags");
for(VertexIterator vi=m.vert.begin(); vi!=m.vert.end(); ++vi)
if(!(*vi).IsD()) (*vi).Flags() |= FlagMask ;
}
static void FaceSet(MeshType &m, unsigned int FlagMask)
{
if(!HasPerFaceFlags(m)) throw vcg::MissingComponentException("FaceFlags");
for(FaceIterator fi=m.face.begin(); fi!=m.face.end(); ++fi)
if(!(*fi).IsD()) (*fi).Flags() |= FlagMask ;
}
static void VertexClearV(MeshType &m) { VertexClear(m,VertexType::VISITED);}
static void VertexClearS(MeshType &m) { VertexClear(m,VertexType::SELECTED);}
static void VertexClearB(MeshType &m) { VertexClear(m,VertexType::BORDER);}
static void EdgeClearV(MeshType &m) { EdgeClear(m,EdgeType::VISITED);}
static void FaceClearV(MeshType &m) { FaceClear(m,FaceType::VISITED);}
static void FaceClearB(MeshType &m) { FaceClear(m,FaceType::BORDER012);}
static void FaceClearS(MeshType &m) {FaceClear(m,FaceType::SELECTED);}
static void FaceClearF(MeshType &m) { FaceClear(m,FaceType::FAUX012);}
static void VertexClearV(MeshType &m) { VertexClear(m,VertexType::VISITED);}
static void VertexClearS(MeshType &m) { VertexClear(m,VertexType::SELECTED);}
static void VertexClearB(MeshType &m) { VertexClear(m,VertexType::BORDER);}
static void EdgeClearV(MeshType &m) { EdgeClear(m,EdgeType::VISITED);}
static void FaceClearV(MeshType &m) { FaceClear(m,FaceType::VISITED);}
static void FaceClearB(MeshType &m) { FaceClear(m,FaceType::BORDER012);}
static void FaceClearS(MeshType &m) {FaceClear(m,FaceType::SELECTED);}
static void FaceClearF(MeshType &m) { FaceClear(m,FaceType::FAUX012);}
static void VertexSetV(MeshType &m) { VertexSet(m,VertexType::VISITED);}
static void VertexSetB(MeshType &m) { VertexSet(m,VertexType::BORDER);}
static void FaceSetV(MeshType &m) { FaceSet(m,FaceType::VISITED);}
static void FaceSetB(MeshType &m) { FaceSet(m,FaceType::BORDER);}
static void FaceSetF(MeshType &m) { FaceSet(m,FaceType::FAUX012);}
static void VertexSetV(MeshType &m) { VertexSet(m,VertexType::VISITED);}
static void VertexSetB(MeshType &m) { VertexSet(m,VertexType::BORDER);}
static void FaceSetV(MeshType &m) { FaceSet(m,FaceType::VISITED);}
static void FaceSetB(MeshType &m) { FaceSet(m,FaceType::BORDER);}
static void FaceSetF(MeshType &m) { FaceSet(m,FaceType::FAUX012);}
/// \brief Compute the border flags for the faces using the Face-Face Topology.
/// \brief Compute the border flags for the faces using the Face-Face Topology.
/**
/**
\warning Obviously it assumes that the topology has been correctly computed (see: UpdateTopology::FaceFace )
*/
static void FaceBorderFromFF(MeshType &m)
{
assert(HasPerFaceFlags(m));
// const int BORDERFLAG[3]={FaceType::BORDER0,FaceType::BORDER1,FaceType::BORDER2};
FaceIterator fi;
for(fi=m.face.begin();fi!=m.face.end();++fi)if(!(*fi).IsD())
for(int j=0;j<3;++j)
{
//if(!(*fi).IsManifold(j)) (*fi).SetCF(j);
//else
if(face::IsBorder(*fi,j)) (*fi).SetB(j);
else (*fi).ClearB(j);
}
}
static void FaceBorderFromVF(MeshType &m)
{
assert(HasPerFaceFlags(m));
assert(HasPerVertexVFAdjacency(m));
assert(HasPerFaceVFAdjacency(m));
FaceClearB(m);
int visitedBit=VertexType::NewBitFlag();
// Calcolo dei bordi
// per ogni vertice vi si cercano i vertici adiacenti che sono toccati da una faccia sola
// (o meglio da un numero dispari di facce)
const int BORDERFLAG[3]={FaceType::BORDER0, FaceType::BORDER1, FaceType::BORDER2};
for(VertexIterator vi=m.vert.begin();vi!=m.vert.end();++vi)
if(!(*vi).IsD())
{
for(face::VFIterator<FaceType> vfi(&*vi) ; !vfi.End(); ++vfi )
{
vfi.f->V1(vfi.z)->ClearUserBit(visitedBit);
vfi.f->V2(vfi.z)->ClearUserBit(visitedBit);
}
for(face::VFIterator<FaceType> vfi(&*vi) ; !vfi.End(); ++vfi )
{
if(vfi.f->V1(vfi.z)->IsUserBit(visitedBit)) vfi.f->V1(vfi.z)->ClearUserBit(visitedBit);
else vfi.f->V1(vfi.z)->SetUserBit(visitedBit);
if(vfi.f->V2(vfi.z)->IsUserBit(visitedBit)) vfi.f->V2(vfi.z)->ClearUserBit(visitedBit);
else vfi.f->V2(vfi.z)->SetUserBit(visitedBit);
}
for(face::VFIterator<FaceType> vfi(&*vi) ; !vfi.End(); ++vfi )
{
if(vfi.f->V(vfi.z)< vfi.f->V1(vfi.z) && vfi.f->V1(vfi.z)->IsUserBit(visitedBit))
vfi.f->Flags() |= BORDERFLAG[vfi.z];
if(vfi.f->V(vfi.z)< vfi.f->V2(vfi.z) && vfi.f->V2(vfi.z)->IsUserBit(visitedBit))
vfi.f->Flags() |= BORDERFLAG[(vfi.z+2)%3];
}
}
VertexType::DeleteBitFlag(visitedBit);
}
class EdgeSorter
{
public:
VertexPointer v[2]; // Puntatore ai due vertici (Ordinati)
FacePointer f; // Puntatore alla faccia generatrice
int z; // Indice dell'edge nella faccia
EdgeSorter() {} // Nothing to do
void Set( const FacePointer pf, const int nz )
{
assert(pf!=0);
assert(nz>=0);
assert(nz<3);
v[0] = pf->V(nz);
v[1] = pf->V((nz+1)%3);
assert(v[0] != v[1]);
if( v[0] > v[1] ) std::swap(v[0],v[1]);
f = pf;
z = nz;
}
inline bool operator < ( const EdgeSorter & pe ) const {
if( v[0]<pe.v[0] ) return true;
else if( v[0]>pe.v[0] ) return false;
else return v[1] < pe.v[1];
}
inline bool operator == ( const EdgeSorter & pe ) const
{
return v[0]==pe.v[0] && v[1]==pe.v[1];
}
inline bool operator != ( const EdgeSorter & pe ) const
{
return v[0]!=pe.v[0] || v[1]!=pe.v[1];
}
};
// versione minimale che non calcola i complex flag.
static void VertexBorderFromNone(MeshType &m)
{
assert(HasPerVertexFlags(m));
std::vector<EdgeSorter> e;
typename UpdateMeshType::FaceIterator pf;
typename std::vector<EdgeSorter>::iterator p;
if( m.fn == 0 )
return;
e.resize(m.fn*3); // Alloco il vettore ausiliario
p = e.begin();
for(pf=m.face.begin();pf!=m.face.end();++pf) // Lo riempio con i dati delle facce
if( ! (*pf).IsD() )
for(int j=0;j<3;++j)
{
(*p).Set(&(*pf),j);
(*pf).ClearB(j);
++p;
}
assert(p==e.end());
sort(e.begin(), e.end()); // Lo ordino per vertici
typename std::vector<EdgeSorter>::iterator pe,ps;
for(ps = e.begin(), pe = e.begin(); pe < e.end(); ++pe) // Scansione vettore ausiliario
{
if( pe==e.end() || *pe != *ps ) // Trovo blocco di edge uguali
{
if(pe-ps==1) {
ps->v[0]->SetB();
ps->v[1]->SetB();
} else
if(pe-ps!=2) { // not twomanyfold!
for(;ps!=pe;++ps) {
ps->v[0]->SetB(); // Si settano border anche i complex.
ps->v[1]->SetB();
}
}
ps = pe;
}
}
}
/// Computes per-face border flags without requiring any kind of topology
/// It has a O(fn log fn) complexity.
static void FaceBorderFromNone(MeshType &m)
{
assert(HasPerFaceFlags(m));
std::vector<EdgeSorter> e;
typename UpdateMeshType::FaceIterator pf;
typename std::vector<EdgeSorter>::iterator p;
for(VertexIterator v=m.vert.begin();v!=m.vert.end();++v)
(*v).ClearB();
if( m.fn == 0 )
return;
FaceIterator fi;
int n_edges = 0;
for(fi = m.face.begin(); fi != m.face.end(); ++fi) if(! (*fi).IsD()) n_edges+=(*fi).VN();
e.resize(n_edges);
p = e.begin();
for(pf=m.face.begin();pf!=m.face.end();++pf) // Lo riempio con i dati delle facce
if( ! (*pf).IsD() )
for(int j=0;j<(*pf).VN();++j)
{
(*p).Set(&(*pf),j);
(*pf).ClearB(j);
++p;
}
assert(p==e.end());
sort(e.begin(), e.end()); // Lo ordino per vertici
typename std::vector<EdgeSorter>::iterator pe,ps;
ps = e.begin();pe=e.begin();
do
{
if( pe==e.end() || *pe != *ps ) // Trovo blocco di edge uguali
{
if(pe-ps==1) {
ps->f->SetB(ps->z);
} else
if(pe-ps!=2) { // Caso complex!!
for(;ps!=pe;++ps)
ps->f->SetB(ps->z); // Si settano border anche i complex.
}
ps = pe;
}
if(pe==e.end()) break;
++pe;
} while(true);
// TRACE("found %i border (%i complex) on %i edges\n",nborder,ncomplex,ne);
}
/// Compute the PerVertex Border flag deriving it from the faces
static void VertexBorderFromFace(MeshType &m)
{
assert(HasPerFaceFlags(m));
typename MeshType::VertexIterator v;
typename MeshType::FaceIterator f;
for(v=m.vert.begin();v!=m.vert.end();++v)
(*v).ClearB();
for(f=m.face.begin();f!=m.face.end();++f)
if(!(*f).IsD())
{
for(int z=0;z<(*f).VN();++z)
if( (*f).IsB(z) )
{
(*f).V(z)->SetB();
(*f).V((*f).Next(z))->SetB();
}
}
}
//
static void FaceFauxCrease(MeshType &m,float AngleRad)
{
assert(HasPerFaceFlags(m));
assert(HasFFAdjacency(m));
typename MeshType::FaceIterator f;
//initially everything is faux (e.g all internal)
FaceSetF(m);
for(f=m.face.begin();f!=m.face.end();++f)
static void FaceBorderFromFF(MeshType &m)
{
if(!(*f).IsD())
{
for(int z=0;z<(*f).VN();++z)
if(!HasPerFaceFlags(m)) throw vcg::MissingComponentException("FaceFlags");
if(!HasFFAdjacency(m)) throw vcg::MissingComponentException("FFAdj");
for(FaceIterator fi=m.face.begin();fi!=m.face.end();++fi)if(!(*fi).IsD())
for(int j=0;j<3;++j)
{
if( face::IsBorder(*f,z) ) (*f).ClearF(z);
else
if(face::IsBorder(*fi,j)) (*fi).SetB(j);
else (*fi).ClearB(j);
}
}
static void FaceBorderFromVF(MeshType &m)
{
if(!HasPerFaceFlags(m)) throw vcg::MissingComponentException("FaceFlags");
if(!HasVFAdjacency(m)) throw vcg::MissingComponentException("VFAdj");
FaceClearB(m);
int visitedBit=VertexType::NewBitFlag();
// Calcolo dei bordi
// per ogni vertice vi si cercano i vertici adiacenti che sono toccati da una faccia sola
// (o meglio da un numero dispari di facce)
const int BORDERFLAG[3]={FaceType::BORDER0, FaceType::BORDER1, FaceType::BORDER2};
for(VertexIterator vi=m.vert.begin();vi!=m.vert.end();++vi)
if(!(*vi).IsD())
{
for(face::VFIterator<FaceType> vfi(&*vi) ; !vfi.End(); ++vfi )
{
if(Angle((*f).N(), (*f).FFp(z)->N()) > AngleRad)
(*f).ClearF(z);
vfi.f->V1(vfi.z)->ClearUserBit(visitedBit);
vfi.f->V2(vfi.z)->ClearUserBit(visitedBit);
}
for(face::VFIterator<FaceType> vfi(&*vi) ; !vfi.End(); ++vfi )
{
if(vfi.f->V1(vfi.z)->IsUserBit(visitedBit)) vfi.f->V1(vfi.z)->ClearUserBit(visitedBit);
else vfi.f->V1(vfi.z)->SetUserBit(visitedBit);
if(vfi.f->V2(vfi.z)->IsUserBit(visitedBit)) vfi.f->V2(vfi.z)->ClearUserBit(visitedBit);
else vfi.f->V2(vfi.z)->SetUserBit(visitedBit);
}
for(face::VFIterator<FaceType> vfi(&*vi) ; !vfi.End(); ++vfi )
{
if(vfi.f->V(vfi.z)< vfi.f->V1(vfi.z) && vfi.f->V1(vfi.z)->IsUserBit(visitedBit))
vfi.f->Flags() |= BORDERFLAG[vfi.z];
if(vfi.f->V(vfi.z)< vfi.f->V2(vfi.z) && vfi.f->V2(vfi.z)->IsUserBit(visitedBit))
vfi.f->Flags() |= BORDERFLAG[(vfi.z+2)%3];
}
}
VertexType::DeleteBitFlag(visitedBit);
}
class EdgeSorter
{
public:
VertexPointer v[2]; // Puntatore ai due vertici (Ordinati)
FacePointer f; // Puntatore alla faccia generatrice
int z; // Indice dell'edge nella faccia
EdgeSorter() {} // Nothing to do
void Set( const FacePointer pf, const int nz )
{
assert(pf!=0);
assert(nz>=0);
assert(nz<3);
v[0] = pf->V(nz);
v[1] = pf->V((nz+1)%3);
assert(v[0] != v[1]);
if( v[0] > v[1] ) std::swap(v[0],v[1]);
f = pf;
z = nz;
}
inline bool operator < ( const EdgeSorter & pe ) const {
if( v[0]<pe.v[0] ) return true;
else if( v[0]>pe.v[0] ) return false;
else return v[1] < pe.v[1];
}
inline bool operator == ( const EdgeSorter & pe ) const
{
return v[0]==pe.v[0] && v[1]==pe.v[1];
}
inline bool operator != ( const EdgeSorter & pe ) const
{
return v[0]!=pe.v[0] || v[1]!=pe.v[1];
}
};
// versione minimale che non calcola i complex flag.
static void VertexBorderFromNone(MeshType &m)
{
if(!HasPerVertexFlags(m)) throw vcg::MissingComponentException("VertexFlags");
std::vector<EdgeSorter> e;
typename UpdateMeshType::FaceIterator pf;
typename std::vector<EdgeSorter>::iterator p;
if( m.fn == 0 )
return;
e.resize(m.fn*3); // Alloco il vettore ausiliario
p = e.begin();
for(pf=m.face.begin();pf!=m.face.end();++pf) // Lo riempio con i dati delle facce
if( ! (*pf).IsD() )
for(int j=0;j<3;++j)
{
(*p).Set(&(*pf),j);
(*pf).ClearB(j);
++p;
}
assert(p==e.end());
sort(e.begin(), e.end()); // Lo ordino per vertici
typename std::vector<EdgeSorter>::iterator pe,ps;
for(ps = e.begin(), pe = e.begin(); pe < e.end(); ++pe) // Scansione vettore ausiliario
{
if( pe==e.end() || *pe != *ps ) // Trovo blocco di edge uguali
{
if(pe-ps==1) {
ps->v[0]->SetB();
ps->v[1]->SetB();
} else
if(pe-ps!=2) { // not twomanyfold!
for(;ps!=pe;++ps) {
ps->v[0]->SetB(); // Si settano border anche i complex.
ps->v[1]->SetB();
}
}
ps = pe;
}
}
}
/// Computes per-face border flags without requiring any kind of topology
/// It has a O(fn log fn) complexity.
static void FaceBorderFromNone(MeshType &m)
{
if(!HasPerFaceFlags(m)) throw vcg::MissingComponentException("FaceFlags");
std::vector<EdgeSorter> e;
typename UpdateMeshType::FaceIterator pf;
typename std::vector<EdgeSorter>::iterator p;
for(VertexIterator v=m.vert.begin();v!=m.vert.end();++v)
(*v).ClearB();
if( m.fn == 0 )
return;
FaceIterator fi;
int n_edges = 0;
for(fi = m.face.begin(); fi != m.face.end(); ++fi) if(! (*fi).IsD()) n_edges+=(*fi).VN();
e.resize(n_edges);
p = e.begin();
for(pf=m.face.begin();pf!=m.face.end();++pf) // Lo riempio con i dati delle facce
if( ! (*pf).IsD() )
for(int j=0;j<(*pf).VN();++j)
{
(*p).Set(&(*pf),j);
(*pf).ClearB(j);
++p;
}
assert(p==e.end());
sort(e.begin(), e.end()); // Lo ordino per vertici
typename std::vector<EdgeSorter>::iterator pe,ps;
ps = e.begin();pe=e.begin();
do
{
if( pe==e.end() || *pe != *ps ) // Trovo blocco di edge uguali
{
if(pe-ps==1) {
ps->f->SetB(ps->z);
} else
if(pe-ps!=2) { // Caso complex!!
for(;ps!=pe;++ps)
ps->f->SetB(ps->z); // Si settano border anche i complex.
}
ps = pe;
}
if(pe==e.end()) break;
++pe;
} while(true);
// TRACE("found %i border (%i complex) on %i edges\n",nborder,ncomplex,ne);
}
/// Compute the PerVertex Border flag deriving it from the border flag of faces
static void VertexBorderFromFace(MeshType &m)
{
if(!HasPerFaceFlags(m)) throw vcg::MissingComponentException("FaceFlags");
if(!HasPerVertexFlags(m)) throw vcg::MissingComponentException("VertexFlags");
for(VertexIterator vi=m.vert.begin();vi!=m.vert.end();++vi)
(*vi).ClearB();
for(FaceIterator fi=m.face.begin();fi!=m.face.end();++fi)
if(!(*fi).IsD())
{
for(int z=0;z<(*fi).VN();++z)
if( (*fi).IsB(z) )
{
(*fi).V(z)->SetB();
(*fi).V((*fi).Next(z))->SetB();
}
}
}
//
static void FaceFauxCrease(MeshType &m,float AngleRad)
{
if(!HasPerFaceFlags(m)) throw vcg::MissingComponentException("FaceFlags");
if(!HasFFAdjacency(m)) throw vcg::MissingComponentException("FFAdj");
typename MeshType::FaceIterator f;
//initially everything is faux (e.g all internal)
FaceSetF(m);
for(FaceIterator fi=m.face.begin();fi!=m.face.end();++fi)
{
if(!(*fi).IsD())
{
for(int z=0;z<(*fi).VN();++z)
{
if( face::IsBorder(*fi,z) ) (*fi).ClearF(z);
else
{
if(Angle((*fi).N(), (*fi).FFp(z)->N()) > AngleRad)
(*fi).ClearF(z);
}
}
}
}
}
}
}; // end class