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added InitSeamIndexes function

This commit is contained in:
Nico Pietroni 2012-11-12 11:16:14 +00:00
parent ed6042e502
commit 006185771a
1 changed files with 128 additions and 1 deletions
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129
wrap/miq/core/seams_initializer.h
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@ -27,6 +27,8 @@ private:
typename MeshType::template PerVertexAttributeHandle<int> Handle_SingularDegree;
///seam per face
typename MeshType::template PerFaceAttributeHandle<vcg::Point3<bool> > Handle_Seams;
///seam index per face
typename MeshType::template PerFaceAttributeHandle<vcg::Point3i > Handle_SeamsIndex;
bool IsRotSeam(const FaceType *f0,const int edge)
{
@ -82,6 +84,12 @@ private:
Handle_Seams=vcg::tri::Allocator<MeshType>::template AddPerFaceAttribute<vcg::Point3<bool> >(*mesh,std::string("Seams"));
else
Handle_Seams=vcg::tri::Allocator<MeshType>::template GetPerFaceAttribute<vcg::Point3<bool> >(*mesh,std::string("Seams"));
bool HasHandleSeamsIndex=vcg::tri::HasPerFaceAttribute(*mesh,std::string("SeamsIndex"));
if (!HasHandleSeamsIndex)
Handle_SeamsIndex=vcg::tri::Allocator<MeshType>::template AddPerFaceAttribute<vcg::Point3i >(*mesh,std::string("SeamsIndex"));
else
Handle_SeamsIndex=vcg::tri::Allocator<MeshType>::template GetPerFaceAttribute<vcg::Point3i >(*mesh,std::string("SeamsIndex"));
}
@ -169,7 +177,7 @@ private:
void SelectSingularityByMM()
{
vcg::tri::UpdateFlags<MeshType>::VertexBorderFromNone(*mesh);
for (unsigned int i=0;i<mesh->vert.size();i++)
{
if (mesh->vert[i].IsD())continue;
@ -233,6 +241,119 @@ private:
}
}
void InitSeamIndexes()
{
///initialize seams indexes
for (unsigned int i=0;i<mesh->face.size();i++)
{
FaceType *f=&mesh->face[i];
for (int j=0;j<3;j++)
Handle_SeamsIndex[f][j]=-1;
}
std::vector<std::vector<std::pair<FaceType*,int> > > seamsVert;
seamsVert.resize(mesh->vert.size());
for (unsigned int i=0;i<mesh->face.size();i++)
{
FaceType *f=&mesh->face[i];
for (int j=0;j<3;j++)
{
if (f->IsB(j))continue;
if (Handle_Seams[f][j])
{
VertexType *v0=f->V0(j);
VertexType *v1=f->V1(j);
if (v0>v1)continue;
int index0=v0-&mesh->vert[0];
int index1=v1-&mesh->vert[0];
std::pair<FaceType*,int> entry=std::pair<FaceType*,int>(f,j);
seamsVert[index0].push_back(entry);
seamsVert[index1].push_back(entry);
}
}
}
int curr_index=0;
for (unsigned int i=0;i<mesh->vert.size();i++)
{
VertexType *v_seam=&mesh->vert[i];
bool IsVertex=(Handle_Singular[i])||(seamsVert[i].size()>2)||
(v_seam->IsB());
if(!IsVertex)continue;
///then follows the seam
for (int j=0;j<seamsVert[i].size();j++)
{
FaceType *f=seamsVert[i][j].first;
int edge=seamsVert[i][j].second;
VertexType *v0=v_seam;
VertexType *v1=NULL;
///the index is already initialized
if (Handle_SeamsIndex[f][edge]!=-1)continue;
bool finished=false;
do
{
///otherwise follow the index
Handle_SeamsIndex[f][edge]=curr_index;///set current value
FaceType *f1=f->FFp(edge);
int edge1=f->FFi(edge);
Handle_SeamsIndex[f1][edge1]=curr_index;///set current value
assert((v0==f->V0(edge))||
(v0==f->V1(edge)));
if (f->V0(edge)==v0)
v1=f->V1(edge);
else
v1=f->V0(edge);
assert(v0!=v1);
//int index0=v0-&mesh->vert[0];
int index1=v1-&mesh->vert[0];
bool IsVertex=(Handle_Singular[v1])||
(seamsVert[index1].size()>2)||
(v1->IsB());
if(IsVertex)
finished=true;
else
{
assert(seamsVert[index1].size()==2);
FaceType *f_new[2];
int edge_new[2];
f_new[0]=seamsVert[index1][0].first;
edge_new[0]=seamsVert[index1][0].second;
f_new[1]=seamsVert[index1][1].first;
edge_new[1]=seamsVert[index1][1].second;
assert((f_new[0]==f)||(f_new[1]==f));
assert((edge_new[0]==edge)||(edge_new[1]==edge));
if ((f_new[0]==f)&&(edge_new[0]==edge))
{
f=f_new[1];
edge=edge_new[1];
}
else
{
f=f_new[0];
edge=edge_new[0];
}
v0=v1;
}
}
while (!finished);
//return;
curr_index++;
}
}
}
public:
@ -241,7 +362,12 @@ public:
bool initMM,
bool initCuts)
{
mesh=_mesh;
vcg::tri::UpdateFlags<MeshType>::VertexBorderFromNone(*mesh);
vcg::tri::UpdateFlags<MeshType>::FaceBorderFromNone(*mesh);
AddAttributesIfNeeded();
if (orient_globally)
vcg::tri::CrossField<MeshType>::MakeDirectionFaceCoherent(*mesh);
@ -253,6 +379,7 @@ public:
InitTopologycalCuts();
AddSeamsByMM();
}
InitSeamIndexes();
}
SeamsInitializer(){mesh=NULL;}