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Bug fix draw Nef_3 (#7388) 

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## Summary of Changes

Draw only halffacet if(fc.is_shalfedge()).
TODO: do we need to draw something if (fc.is_shalfloop()) ?

## Release Management

* Affected package(s): Nef_3
* Issue(s) solved (if any): fix #7377
This commit is contained in:
Laurent Rineau 2023-04-25 12:18:08 +02:00 committed by GitHub
parent b444cd3544 afb4ac68b3
commit d0478493a0
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 12 deletions
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26
Nef_3/include/CGAL/draw_nef_3.h
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@ -131,21 +131,23 @@ protected:
++fc;
while(fc!=f->facet_cycles_end())
{
se = SHalfedge_const_handle(fc);
hc_start=se;
hc_end=hc_start;
CGAL_For_all(hc_start, hc_end) {
Vertex_const_handle vh=hc_start->source()->center_vertex();
viewer.add_point_in_face(vh->point(),
viewer.get_vertex_normal(vh));
if(fc.is_shalfedge())
{
se = SHalfedge_const_handle(fc);
hc_start=se;
hc_end=hc_start;
CGAL_For_all(hc_start, hc_end) {
Vertex_const_handle vh=hc_start->source()->center_vertex();
viewer.add_point_in_face(vh->point(),
viewer.get_vertex_normal(vh));
}
viewer.add_point_in_face(hc_start->source()->center_vertex()->point(),
viewer.get_vertex_normal(hc_start->source()->center_vertex()));
viewer.add_point_in_face(lastvh->point(),
viewer.get_vertex_normal(lastvh));
}
viewer.add_point_in_face(hc_start->source()->center_vertex()->point(),
viewer.get_vertex_normal(hc_start->source()->center_vertex()));
viewer.add_point_in_face(lastvh->point(),
viewer.get_vertex_normal(lastvh));
++fc;
}
viewer.face_end();
facets_done[f]=true;
n_faces++;