void SolidDelegate::removeFace (Solid * pS, Face * f)
{
int i;
HalfEdge * he = f->halfedge ();
for(i=0; i<3; i++)
{
he = he->he_next ();
Vertex * v = he->target ();
if(v->halfedge () == he)
{
for(SolidEdgeIterator eiter(pS); !eiter.end (); ++eiter)
{
Edge * e = *eiter;
HalfEdge * hhe = e->halfedge (0);
if(hhe->target () == v && hhe != he)
{
v->halfedge () = hhe;
break;
}
else if (e->halfedge (1) != NULL && e->halfedge (1)->target () == v && e->halfedge (1) != he)
{
v->halfedge () = e->halfedge (1);
break;
}
}
}
if(v->halfedge () == he)
v->halfedge () = NULL;
}
for(i=0; i<3; i++)
{
HalfEdge * nhe = he->he_next ();
// Vertex * v = he->target ();
Edge * e = he->edge ();
if(e->halfedge (1) == NULL)
{
removeEdge(pS, e);
delete e;
delete he;
}
else
{
if(e->halfedge (0) == he)
e->halfedge (0) = e->halfedge (1);
delete he;
e->halfedge(1) = NULL;
}
he = nhe;
}
pS->m_faces.remove(f);
}
bool Face::include_edge(Edge *e)
{
HalfEdge * he = m_halfedge;
if(he->edge () == e || he->he_next ()->edge () == e || he->he_prev ()->edge () == e)
return true;
return false;
}
bool Face::include_vertex(Vertex *v)
{
HalfEdge * he = m_halfedge;
if(he->target () == v || he->source () == v || he->he_next ()->target () == v)
return true;
return false;
}
int superMi::assign_kuv_to_edge(Solid* mesh)
{
for (SolidEdgeIterator seiter(mesh); !seiter.end(); ++seiter){
Edge* se = *seiter;
se->kuv_h() = 0.0;
//Point p1 = mesh->edgeVertex1(se)->point();
//Point p3 = mesh->edgeVertex2(se)->point();
//HalfEdge* he2 = se->halfedge(0)->ccw_rotate_about_source();
//HalfEdge* he4 = se->halfedge(0)->clw_rotate_about_source();
//Point p2 = he2->target()->point();
//Point p4 = he4->target()->point();
//double alpha = ((p3 - p2)*(p1 - p2) / ((p3 - p2) ^ (p1 - p2)).norm()) / 2.0;
//double beta = ((p3 - p4)*(p1 - p4) / ((p3 - p4) ^ (p1 - p4)).norm()) / 2.0;
//se->kuv_h() = alpha + beta;
HalfEdge* he = se->halfedge(0);
HalfEdge* nhe = he->he_next();
HalfEdge* phe = he->he_prev();
Face* hef = he->face();
double nhel = (nhe->target()->point() - nhe->source()->point()).norm();
double phel = (phe->target()->point() - phe->source()->point()).norm();
double hel = (he->target()->point() - he->source()->point()).norm();
se->kuv_h() += (nhel*nhel + phel*phel - hel*hel) / hef->area() / 8.0;
he = se->halfedge(1);
nhe = he->he_next();
phe = he->he_prev();
hef = he->face();
nhel = (nhe->target()->point() - nhe->source()->point()).norm();
phel = (phe->target()->point() - phe->source()->point()).norm();
se->kuv_h() += (nhel*nhel + phel*phel - hel*hel) / hef->area() / 8.0;
se->kuv_t() = 1.0;
//std::cout << se->kuv() << std::endl;
}
return 0;
}
Point Face::norm()
{
HalfEdge * he = m_halfedge;
Point p1 = he->target ()->point () - he->source ()->point ();
Point p2 = he->he_next ()->target ()->point () - he->target ()->point ();
Point n = p1 ^ p2;
n /= n.norm ();
return n;
}
HalfEdge * HalfEdge::clw_rotate_about_source()
{
HalfEdge * he = he_sym();
if( he == NULL ) return NULL;
return he->he_next();
};
