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reorder points to always have positive orientation

This commit is contained in:
Jane Tournois 2020-08-04 14:35:53 +02:00
parent a93d3ef9bd
commit f15efb78f9
1 changed files with 4 additions and 2 deletions
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6
Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/tetrahedral_remeshing_helpers.h
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@ -148,6 +148,8 @@ typename Gt::FT tan_dihedral_angle(const typename Gt::Point_3& a,
const typename Gt::Point_3& d, const typename Gt::Point_3& d,
const Gt& gt) const Gt& gt)
{ {
CGAL_assertion(CGAL::orientation(a,b,c,d) != CGAL::NEGATIVE);
typename Gt::Construct_vector_3 vector = gt.construct_vector_3_object(); typename Gt::Construct_vector_3 vector = gt.construct_vector_3_object();
typename Gt::Construct_cross_product_vector_3 cross_product = typename Gt::Construct_cross_product_vector_3 cross_product =
gt.construct_cross_product_vector_3_object(); gt.construct_cross_product_vector_3_object();
@ -184,7 +186,7 @@ typename Geom_traits::FT min_tan_dihedral_angle(const Point& p,
FT a = tan_dihedral_angle(p, q, r, s, gt); FT a = tan_dihedral_angle(p, q, r, s, gt);
FT min_dh = a; FT min_dh = a;
a = tan_dihedral_angle(p, r, q, s, gt); a = tan_dihedral_angle(p, r, s, q, gt);
min_dh = (std::min)(a, min_dh); min_dh = (std::min)(a, min_dh);
a = tan_dihedral_angle(p, s, q, r, gt); a = tan_dihedral_angle(p, s, q, r, gt);
@ -193,7 +195,7 @@ typename Geom_traits::FT min_tan_dihedral_angle(const Point& p,
a = tan_dihedral_angle(q, r, p, s, gt); a = tan_dihedral_angle(q, r, p, s, gt);
min_dh = (std::min)(a, min_dh); min_dh = (std::min)(a, min_dh);
a = tan_dihedral_angle(q, s, p, r, gt); a = tan_dihedral_angle(q, s, r, p, gt);
min_dh = (std::min)(a, min_dh); min_dh = (std::min)(a, min_dh);
a = tan_dihedral_angle(r, s, p, q, gt); a = tan_dihedral_angle(r, s, p, q, gt);