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Added Remove NonManifoldFace

This commit is contained in:
Paolo Cignoni 2006-10-09 20:06:46 +00:00
parent 162c7256e5
commit 59d52a10e9
1 changed files with 33 additions and 0 deletions
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33
vcg/complex/trimesh/clean.h
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@ -24,6 +24,9 @@
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.40 2006/05/25 09:41:09 cignoni
missing std and other gcc detected syntax errors
Revision 1.39 2006/05/16 21:51:07 cignoni Revision 1.39 2006/05/16 21:51:07 cignoni
Redesigned the function for the removal of faces according to their area and edge lenght Redesigned the function for the removal of faces according to their area and edge lenght
@ -367,6 +370,8 @@ private:
i.e. have two or more vertex reference that link the same vertex i.e. have two or more vertex reference that link the same vertex
(and not only two vertexes with the same coordinates). (and not only two vertexes with the same coordinates).
All Degenerate faces are zero area faces BUT not all zero area faces are degenerate. All Degenerate faces are zero area faces BUT not all zero area faces are degenerate.
We do not take care of topology because when we have degenerate faces the
topology calculation functions crash.
*/ */
static int RemoveDegenerateFace(MeshType& m) static int RemoveDegenerateFace(MeshType& m)
{ {
@ -384,7 +389,35 @@ private:
} }
return count_fd; return count_fd;
} }
static int RemoveNonManifoldFace(MeshType& m)
{
FaceIterator fi;
int count_fd = 0;
vector<FacePointer> ToDelVec;
for(fi=m.face.begin(); fi!=m.face.end();++fi)
if (!fi->IsD())
{
if ((!IsManifold(*fi,0))||
(!IsManifold(*fi,1))||
(!IsManifold(*fi,2)))
ToDelVec.push_back(&*fi);
}
for(int i=0;i<ToDelVec.size();++i)
{
FaceType &ff= *ToDelVec[i];
if ((!IsManifold(ff,0))||
(!IsManifold(ff,1))||
(!IsManifold(ff,2)))
for(int j=0;j<3;++j)
if(!face::IsBorder<FaceType>(ff,j)) vcg::face::FFDetach<FaceType>(ff,j);
ff.SetD();
count_fd++;
m.fn--;
}
return count_fd;
}
/* /*
The following functions remove faces that are geometrically "bad" according to edges and area criteria. The following functions remove faces that are geometrically "bad" according to edges and area criteria.