added division of edge operation

This commit is contained in:
Nico Pietroni 2004-08-09 15:59:16 +00:00
parent d18f2f9f39
commit e591c644be
1 changed files with 113 additions and 2 deletions

View File

@ -46,16 +46,124 @@ namespace vcg{
f1->FFi(z1)=z0;
}
template <class MESH_TYPE>
///insert a vertex iside a face and re-triangolarize v will be pointer to inserted vertex
void InsertVertEdge(MESH_TYPE &m,typename MESH_TYPE::FaceType** f,int edge,typename MESH_TYPE::VertexType *&v)
{
std::vector<MESH_TYPE::FaceType **> local_var;
local_var.push_back(f);
MESH_TYPE::VertexIterator Vi=vcg::tri::Allocator<MESH_TYPE>::AddVertices(m,1);
MESH_TYPE::FaceIterator Finit=vcg::tri::Allocator<MESH_TYPE>::AddFaces(m,4,local_var);
if (MESH_TYPE::HasVFTopology())
Vi->VFp()=0;
MESH_TYPE::FaceIterator Fi=Finit;
//take new faces added
MESH_TYPE::FaceType *Fr0=&(*Fi);
Fi++;
MESH_TYPE::FaceType *Fr1=&(*Fi);
Fi++;
MESH_TYPE::FaceType *Fl0=&(*Fi);
Fi++;
MESH_TYPE::FaceType *Fl1=&(*Fi);
//old faces
MESH_TYPE::FaceType *fdl=(*f);
MESH_TYPE::FaceType *fdr=(*f)->FFp(edge);
int edgel=edge;
int edger=(*f)->FFi(edge);
//opposite vertex used to build new triangles
MESH_TYPE::VertexType *voppl=fdl->V((edgel+2)%3);
MESH_TYPE::VertexType *voppr=fdr->V((edger+2)%3);
//inizialize the for new faces
Fl0->V(0)=voppl;
Fl0->V(1)=fdl->V(edgel);
Fl0->V(2)=&(*Vi);
Fl1->V(0)=voppl;
Fl1->V(1)=&(*Vi);
Fl1->V(2)=fdl->V((edgel+1)%3);
Fr0->V(0)=voppr;
Fr0->V(1)=&(*Vi);
Fr0->V(2)=fdr->V((edger+1)%3);
Fr1->V(0)=voppr;
Fr1->V(1)=fdr->V(edger);
Fr1->V(2)=&(*Vi);
//VFTopology setting
if (MESH_TYPE::HasVFTopology())
{
for (int i=0;i<3;i++)
{
//initial settings
Fl0->VFp(i)=0;
Fl1->VFp(i)=0;
Fr0->VFp(i)=0;
Fr1->VFp(i)=0;
//append new faces to VF topology
vcg::face::VFAppend<MESH_TYPE::FaceType>(Fl0,i);
vcg::face::VFAppend<MESH_TYPE::FaceType>(Fl1,i);
vcg::face::VFAppend<MESH_TYPE::FaceType>(Fr0,i);
vcg::face::VFAppend<MESH_TYPE::FaceType>(Fr1,i);
//erase old faces from VF topology
vcg::face::VFDetach<MESH_TYPE::FaceType>((*fdl),i);
vcg::face::VFDetach<MESH_TYPE::FaceType>((*fdr),i);
}
}
//FFTopology setting
if (MESH_TYPE::HasFFTopology())
{
//attach old faces that was attached by
//the one that should be substituted
FFAttach(Fl0,0,fdl->FFp((edgel+2)%3),fdl->FFi((edgel+2)%3));
FFAttach(Fl1,2,fdl->FFp((edgel+1)%3),fdl->FFi((edgel+1)%3));
FFAttach(Fr0,2,fdr->FFp((edger+1)%3),fdr->FFi((edger+1)%3));
FFAttach(Fr1,0,fdr->FFp((edger+2)%3),fdr->FFi((edger+2)%3));
//then connect between thenselfes
FFAttach(Fl0,2,Fl1,0);
FFAttach(Fl0,1,Fr0,1);
FFAttach(Fl1,1,Fr1,1);
FFAttach(Fr0,0,Fr1,2);
}
//finally set as deleted the old faces
fdl->SetD();
fdr->SetD();
v=&(*Vi);
}
template <class MESH_TYPE>
///insert a vertex iside a face and re-triangolarize v will be pointer to inserted vertex
void InsertVert(MESH_TYPE &m,typename MESH_TYPE::FaceType** f,typename MESH_TYPE::VertexType *&v)
void InsertVertFace(MESH_TYPE &m,typename MESH_TYPE::FaceType** f,typename MESH_TYPE::VertexType *&v)
{
assert(!(*f)->IsD());
std::vector<MESH_TYPE::FaceType **> local_var;
local_var.push_back(f);
MESH_TYPE::VertexIterator Vi=vcg::tri::Allocator<MESH_TYPE>::AddVertices(m,1);
MESH_TYPE::FaceIterator Finit=vcg::tri::Allocator<MESH_TYPE>::AddFaces(m,3,local_var);
if (MESH_TYPE::HasVFTopology())
Vi->VFp()=0;
MESH_TYPE::FaceIterator Fi=Finit;
MESH_TYPE::FaceType *F;
MESH_TYPE::FaceType *fd=(*f);
@ -81,6 +189,9 @@ namespace vcg{
if (MESH_TYPE::HasVFTopology())
{
F->VFp(0)=0;
F->VFp(1)=0;
F->VFp(2)=0;
//put new faces on list of the old vertex and new one
vcg::face::VFAppend<MESH_TYPE::FaceType>(F,0);
vcg::face::VFAppend<MESH_TYPE::FaceType>(F,1);