Hi,
I want to pick linesegments in my scene via mouse. As I know, the
pickVistor or the intersectVistor in OSG1.0 or OSG 1.2 could not pick a
linesegment becasue a linesegment doesn't have area or volume.
It says "New low-level extensible intersection framework that includes
support for line, plane and polytope intersections" in OSG 2.0. I don't know
what "support for line, plane and polytope" exactly mean, can anyone tell me
the meaning?
How can I pick a linesegment via these vistors?
Thanks.
LiTing
litingbaotou
2007-06-27
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