CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

This is not the right list for posting, you should use
http://groups.google.com/group/cgal-bindings-discuss

The integer should be the position of the segment in the input list.

Sebastien.

On 09/19/2013 04:01 PM, 0oo1l0 wrote:
>       Hi, I'm trying to solve a problem that I've researched here but havent'
> been able to totally figure out from previous posts.  My query is directed
> to the python-bindings of cgal but if anyone can give me hints via the cpp
> that would also be appreciated.
>
> I have an AABB tree built with a list of segments (tree), a segment query
> (sa) and a python list (s) that can take iterator output.
>
> I run:
>
> tree.do_intersect(sa)
> tree.any_intersected_primitive(sa,s)
>
> and then I get an intersection out of the function (whose .value() is a
> Point_3) and the primitive id, which in this case is an integer, in s.
>
> How can I use the id to return the segment in the AABB tree that generated
> the intersection?  If it can't be done with the lists of Segment_3s, how
> could I change the methodology (--should they be Line_3s?--) so that I can
> find the point of intersection and the primitive that intersects with the
> query?  I understand that in some AABB trees the Id is a handler but I don't
> know how to point that to the AABB.tree primitive.  And, anyway, in this
> case (Segment_3 list and with a Segment_3 query) the Id is just an integer!
>
> Thanks for any help.
>
>
> (Also, great tool this library is!)
>
>
>
> --
> View this message in context: 
> http://cgal-discuss.949826.n4.nabble.com/get-Primitive-in-AABB-tree-by-id-tp4658059.html
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