[osg-users] Objects sub-selections

[Robert Osfield]

Hi Antoine,

Have a look at the include/osgUtil/LineSegmentIntersector and
PolytopeIntersectors, specifically the Intersection data structures they
have all you are looking for :-)

Robert.

On 4 September 2017 at 11:16, Antoine Rennuit <antoinerennuit at hotmail.com>
wrote:

> Hi OSG forum,
>
> In the application I am developing I need to implement sub-selection, that
> is picking of the elements that compose a drawable. e.g. for a mesh, that
> would be selecting / picking the vertices or triangles that compose the
> mesh. For instance, this makes it able to edit the mesh by updating its
> vertices position.
>
> Is this possible to achieve with OSG?
>
> What I have seen so far in OSG (i.e. LineSegmentIntersector and
> PolytopeIntersector) only returns the drawable, and it does not seem
> possible to return the vertices or triangles  composing the drawable.
>
> Kind regards,
>
> Antoine.
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=71619#71619
>
>
>
>
>
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