manolas
/
vcglib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

corrected vfdatach and added vf append

This commit is contained in:
Nico Pietroni 2004-08-04 20:50:12 +00:00
parent 2cfbd024d8
commit 64c5cb56cf
1 changed files with 35 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
vcg/simplex/face/topology.h
View File

@ -24,15 +24,6 @@
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.9 2004/07/15 12:03:07 ganovelli
minor changes
Revision 1.8 2004/07/15 11:26:48 ganovelli
VFDetach corrected
Revision 1.7 2004/05/12 12:23:23 cignoni
Conformed C++ syntax to GCC requirements
Revision 1.6 2004/05/11 16:03:18 ganovelli Revision 1.6 2004/05/11 16:03:18 ganovelli
changed from "thi" to "&f" in Vfdetach changed from "thi" to "&f" in Vfdetach
@ -169,8 +160,8 @@ void Attach(FaceType * &f, int z1, FaceType *&f2, int z2)
EPB.NextF(); EPB.NextF();
} }
//Salvo i dati di f1 prima di sovrascrivere //Salvo i dati di f1 prima di sovrascrivere
FaceType *f1prec = f.FFp(z1); FaceType *f1prec = f->FFp(z1);
int z1prec = f.FFi(z1); int z1prec = f->FFi(z1);
//Aggiorno f1 //Aggiorno f1
f->FFp(z1) = TEPB.f->FFp(TEPB.z); f->FFp(z1) = TEPB.f->FFp(TEPB.z);
f->FFi(z1) = TEPB.f->FFi(TEPB.z); f->FFi(z1) = TEPB.f->FFi(TEPB.z);
@ -225,34 +216,52 @@ void Swap (SwapFaceType &f, const int z )
// NOTA funziona SOLO per la topologia VF!!! // NOTA funziona SOLO per la topologia VF!!!
// usata nelle classi di collapse // usata nelle classi di collapse
template <class FaceType> template <class FaceType>
void VFDetach(FaceType & f, int z) void VFDetach(FaceType* &f, int z)
{ {
if(f.V(z)->VFp()==&f ) //if it is the first face detach from the begin if(f->V(z)->VFp()==f )
{ {
int fz = f.V(z)->VFi(); int fz = f->V(z)->VFi();
f.V(z)->VFp() = f.VFp(fz); f->V(z)->VFp() = (FaceType*) f->VFp(fz);
f.V(z)->VFi() = f.VFi(fz); f->V(z)->VFi() = f->VFi(fz);
} }
else // scan the list of faces in order to finde the current face f to be detached else
{ {
VFIterator<FaceType> x(f.V(z)->VFp(),f.V(z)->VFi());
VFIterator<FaceType> y;
for(;;) vcg::face::VFIterator<FaceType> x,y;
{
x.f = f->V(z)->VFp();
x.z = f->V(z)->VFi();
y = x; y = x;
++x; y++;
assert(x.f!=0); while (!y.End())
if(x.f==&f) // found!
{ {
y.f->VFp(y.z) = f.VFp(z); assert(y.f!=0);
y.f->VFi(y.z) = f.VFi(z); if(y.f==f)
{
x.f->VFp(x.z) = y.f->VFp(y.z);
x.f->VFi(x.z) = y.f->VFi(y.z);
break; break;
} }
x++;
y++;
} }
} }
} }
/// Append a face in VF list of vertex f->V(z)
template <class FaceType>
void VFAppend(FaceType* & f, int z)
{
FaceType::VertexType *v=f->V(z);
FaceType *f0=v->VFp();
int z0=v->VFi();
v->VFp()=f;
v->VFi()=z;
f->VFp(z)=f0;
f->VFi(z)=z0;
}
/*@}*/ /*@}*/
} // end namespace } // end namespace
} // end namespace } // end namespace