CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

I didn't understand correctly your problem yesterday.
Actually, there is no bug but you would like that after calling
join_vertex(h) the halfedges of the incident facets to be updated only
if it was h or h->opposite(), right?

Sebastien.

On 03/10/2014 02:26 PM, Zohar wrote:
> I attached a mesh, and an image of the before and after the final edge
> contraction, v1 in purple, vL in black, and a black arrow on a face fh
> denotes fh->halfedge(). Consider the halfedge() of facet v1,vR,vy0).
> I can provide the series of collapses, but to create a minimal example
> it would require time.
>
>
>
> On Monday, March 10, 2014 9:15 AM, Zohar [via cgal-discuss] <[hidden
> email] </user/SendEmail.jtp?type=node&node=4658939&i=0>> wrote:
>
> In HalfedgeDS_decorator.h:
>
> Halfedge_handle join_vertex( Halfedge_handle h) {
> ...
>          if ( ! hprev->is_border())
>              set_face_halfedge(  hprev);
>          if ( ! gprev->is_border())
>              set_face_halfedge(  gprev);
> }
>
> The face halfedge is set arbitrarily to hprev and gprev regardless of
> what it was.
>
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> *dented_plane5.obj* (8K) Download Attachment
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> *new_integer_cones.jpg* (156K) Download Attachment
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