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Added to the UpdateFlags::FaceFauxSignedCrease the option to mark as non faux also the boundary edges.

This commit is contained in:
Paolo Cignoni 2014-08-26 01:39:18 +00:00
parent 331021191e
commit 9682fcd27d
1 changed files with 9 additions and 24 deletions
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33
vcg/complex/algorithms/update/flag.h
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@ -365,7 +365,10 @@ public:
/// e.g. the edge such that the signed dihedral angle between the normal of two faces sharing it, is between the two given thresholds. /// e.g. the edge such that the signed dihedral angle between the normal of two faces sharing it, is between the two given thresholds.
/// In this way all the near planar edges are marked as Faux Edges (e.g. edges to be ignored) /// In this way all the near planar edges are marked as Faux Edges (e.g. edges to be ignored)
/// Note that it uses the signed dihedral angle convention (negative for concave edges and positive for convex ones); /// Note that it uses the signed dihedral angle convention (negative for concave edges and positive for convex ones);
static void FaceFauxSignedCrease(MeshType &m, float AngleRadNeg, float AngleRadPos ) ///
/// Optionally it can also mark as feature edges also the boundary edges.
///
static void FaceFauxSignedCrease(MeshType &m, float AngleRadNeg, float AngleRadPos, bool MarkBorderFlag = false )
{ {
RequirePerFaceFlags(m); RequirePerFaceFlags(m);
RequireFFAdjacency(m); RequireFFAdjacency(m);
@ -382,6 +385,10 @@ public:
if(angle>AngleRadNeg && angle<AngleRadPos) if(angle>AngleRadNeg && angle<AngleRadPos)
(*fi).SetF(z); (*fi).SetF(z);
} }
else
{
if(MarkBorderFlag) (*fi).SetF(z);
}
} }
} }
} }
@ -393,29 +400,7 @@ public:
/// In this way all the near planar edges are marked as Faux Edges (e.g. edges to be ignored) /// In this way all the near planar edges are marked as Faux Edges (e.g. edges to be ignored)
static void FaceFauxCrease(MeshType &m,float AngleRad) static void FaceFauxCrease(MeshType &m,float AngleRad)
{ {
RequirePerFaceFlags(m); FaceFauxSignedCrease(m,-AngleRad,AngleRad);
RequireFFAdjacency(m);
RequirePerFaceNormal(m);
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 }; // end class