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added DifferenceCrossField, commented some non used function

This commit is contained in:
Nico Pietroni 2011-10-19 09:02:27 +00:00
parent 98cc5ee028
commit 2d8c6222cd
1 changed files with 46 additions and 9 deletions
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55
vcg/complex/algorithms/parametrization/tangent_field_operators.h
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@ -127,10 +127,13 @@ namespace vcg {
///return a specific direction given an integer 0..3
///considering the reference direction of the cross field
static CoordType CrossVector(const FaceType &f,const int &index)
static CoordType CrossVector(MeshType &mesh,
const FaceType &f,
const int &index)
{
assert((index>=0)&&(index<4));
CoordType axis[4];
CrossVector(f,axis);
CrossVector(mesh,f,axis);
return axis[index];
}
@ -177,7 +180,6 @@ namespace vcg {
const typename CoordType &BaseNorm,
const typename CoordType &BaseDir)
{
typedef TangentFieldGen< FaceType >::CrossField MyCross;
typedef typename FaceType::CoordType CoordType;
typedef typename FaceType::ScalarType ScalarType;
@ -192,10 +194,11 @@ namespace vcg {
Tdir.Normalize();
sum+=(Tdir*Weight[i]);
}
sum.Normalize();
return sum;
}
///interpolate cross field with barycentric coordinates
/*///interpolate cross field with barycentric coordinates
template <class FaceType>
typename FaceType::CoordType InterpolateCrossField(const typename FaceType::CoordType &t0,
const typename FaceType::CoordType &t1,
@ -206,10 +209,21 @@ namespace vcg {
CoordType trans1=K_PI(t1,t0,n);
CoordType sum = t0*weight + MyCross::V( t1, t0, n ) * (1.0-weight);
return sum;
}*/
///return the difference of two cross field, values between [0,0.5]
template <class FaceType>
typename FaceType::ScalarType DifferenceCrossField(const typename FaceType::CoordType &t0,
const typename FaceType::CoordType &t1,
const typename FaceType::CoordType &n)
{
CoordType trans0=t0;
CoordType trans1=K_PI(t1,t0,n);
ScalarType diff = 1-fabs(trans0*trans1);
return diff;
}
///compute the mismatch between 2 faces
int MissMatch(const FaceType &f0,const FaceType &f1)
{
@ -229,7 +243,7 @@ namespace vcg {
k=(-(3*i))%4;
return k;
}
///this function return true if a
///given vertex is a singular vertex by
///moving around i n a roder wai and accounting for
@ -274,11 +288,34 @@ namespace vcg {
}while (!complete_turn);
return((missmatch%4)!=0);
}
void CopyFromCurvature()
/*void GetWeights(TriMeshType *mesh,
const std::vector<FaceType*> &faces,
std::vector<ScalarType> &weights)
{
weights.clear();
MeshType::PerFaceAttributeHandle<ScalarType> Fh0 FHRVal=
vcg::tri::Allocator<MeshType>::GetPerFaceAttribute<ScalarType>(mesh,std::string("CrossVal"));
for (int i=0;i<faces.size();i++)
weights.push_back(FHRVal[faces[i]]);
}
void GetTangDir(TriMeshType *mesh,
const std::vector<FaceType*> &faces,
std::vector<CoordType> &dir0,
std::vector<CoordType> &dir1)
{
dir0.clear();
dir1.clear();
MeshType::PerFaceAttributeHandle<CoordType> FHDir0=vcg::tri::Allocator<MeshType>::GetPerFaceAttribute<CoordType>(test_mesh,std::string("CrossDir0"));
MeshType::PerFaceAttributeHandle<CoordType> FHDir1=vcg::tri::Allocator<MeshType>::GetPerFaceAttribute<CoordType>(test_mesh,std::string("CrossDir1"));
for (int i=0;i<faces.size();i++)
{
dir0.push_back(FHDir0[faces[i]]);
dir1.push_back(FHDir1[faces[i]]);
}
}*/
};///end class
} //End Namespace Tri