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Fixed regular neighbor coordinates when the query point is hidden

This commit is contained in:
Mael Rouxel-Labbé 2018-01-15 13:25:56 +01:00
parent f66196062d
commit d32a4ff717
1 changed files with 11 additions and 3 deletions
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14
Interpolation/include/CGAL/regular_neighbor_coordinates_2.h
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@ -72,9 +72,17 @@ regular_neighbor_coordinates_vertex_2(const Rt& rt,
typedef typename Rt::Vertex_handle Vertex_handle;
typedef typename Rt::Face_circulator Face_circulator;
//no hole because only (exactly!) one vertex is hidden:
if(hole_begin==hole_end){
*out++= std::make_pair((*hidden_vertices_begin), Coord_type(1));
// no hole
if(hole_begin == hole_end)
{
if(hidden_vertices_begin == hidden_vertices_end)
{
// No hole and nothing hidden: the point's weight is too low to appear in the triangulation.
return make_triple(out, Coord_type(0), true);
}
// No hole but some vertices are hidden (there can be only one)
*out++ = std::make_pair((*hidden_vertices_begin), Coord_type(1));
++hidden_vertices_begin;
CGAL_assertion(hidden_vertices_begin == hidden_vertices_end);
return make_triple(out, Coord_type(1), true);