[osg-users] Geometry-Intersector

Robert Osfield robert.osfield at gmail.com
Sun Oct 28 04:23:16 PDT 2007


HI Andreas,

Personally I have no plans for geometry-intersector.

Robert.

On 10/28/07, Andreas Goebel <a-goebel at gmx.de> wrote:
> Hello group, dear Robert,
>
> Robert wrote a very fine PlaneIntersector to intersect planes with
> arbitrary nodes.
>
> What I think is especially cool is that one gets the intersection as a
> group of connected polylines.
>
> Are there plans for a geometry-intersector, that (as the name suggests)
> intersects a whole geometry with a node?
>
> One approach would be to intersect each triangle with the node and then
> glue together the intersections as done in the planeIntersector.
>
> I have the feeling that starting this from the planeIntersector as a
> base would not be exceedingly difficult, but still difficult for me (as
> I do not fully understand all of the planeIntersector code).
>
> This "brute-force" - approach would be quite slow, I guess. Are there
> other strategies for doing mesh / mesh intersections?
>
>
> Regards,
>
> Andreas
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