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changed IsSingularByCross.. 

added OrientDirectionFaceCoherently
This commit is contained in:
Nico Pietroni 2014-12-08 15:12:29 +00:00
parent 472373efbe
commit 9c85a56214
1 changed files with 46 additions and 6 deletions
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52
vcg/complex/algorithms/parametrization/tangent_field_operators.h
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@ -581,6 +581,34 @@ public:
} }
// ///return true if a given vertex is singular,
// ///return also the missmatch
// static bool IsSingularByCross(const VertexType &v,int &missmatch)
// {
// typedef typename VertexType::FaceType FaceType;
// ///check that is on border..
// if (v.IsB())return false;
// std::vector<face::Pos<FaceType> > posVec;
// //SortedFaces(v,faces);
// face::Pos<FaceType> pos(v.cVFp(), v.cVFi());
// vcg::face::VFOrderedStarFF(pos, posVec);
// missmatch=0;
// for (unsigned int i=0;i<posVec.size();i++)
// {
// FaceType *curr_f=posVec[i].F();
// FaceType *next_f=posVec[(i+1)%posVec.size()].F();
// ///find the current missmatch
// missmatch+=MissMatchByCross(*curr_f,*next_f);
// missmatch=missmatch%4;
// }
//// missmatch=missmatch%4;
// return(missmatch!=0);
// }
///return true if a given vertex is singular, ///return true if a given vertex is singular,
///return also the missmatch ///return also the missmatch
static bool IsSingularByCross(const VertexType &v,int &missmatch) static bool IsSingularByCross(const VertexType &v,int &missmatch)
@ -594,18 +622,19 @@ public:
face::Pos<FaceType> pos(v.cVFp(), v.cVFi()); face::Pos<FaceType> pos(v.cVFp(), v.cVFi());
vcg::face::VFOrderedStarFF(pos, posVec); vcg::face::VFOrderedStarFF(pos, posVec);
missmatch=0; int curr_dir=0;
for (unsigned int i=0;i<posVec.size();i++) for (unsigned int i=0;i<posVec.size();i++)
{ {
FaceType *curr_f=posVec[i].F(); FaceType *curr_f=posVec[i].F();
FaceType *next_f=posVec[(i+1)%posVec.size()].F(); FaceType *next_f=posVec[(i+1)%posVec.size()].F();
///find the current missmatch //find the current missmatch
missmatch+=MissMatchByCross(*curr_f,*next_f); //missmatch+=MissMatchByCross(*curr_f,*next_f);
curr_dir=FollowDirection(*curr_f,*next_f,curr_dir);
//missmatch=missmatch%4;
} }
missmatch=missmatch%4; missmatch=curr_dir;
return(missmatch!=0); return(curr_dir!=0);
} }
///select singular vertices ///select singular vertices
@ -686,6 +715,17 @@ public:
f1->PD2().Normalize(); f1->PD2().Normalize();
} }
static void OrientDirectionFaceCoherently(MeshType &mesh)
{
for (size_t i=0;i<mesh.face.size();i++)
{
FaceType *f=&mesh.face[i];
if (f->IsD())continue;
CoordType Ntest=mesh.face[i].PD1()^mesh.face[i].PD2();
if ((Ntest*vcg::Normal(f->P(0),f->P(1),f->P(2)))<0)mesh.face[i].PD2()=-mesh.face[i].PD2();
}
}
static void MakeDirectionFaceCoherent(MeshType &mesh, static void MakeDirectionFaceCoherent(MeshType &mesh,
bool normal_diff=true) bool normal_diff=true)
{ {