Hi Robert Perfect, i will help you in analyzing the performance bottle neck. of course the kd-tree will be an imporant new feature, and also new rendering technics could become reasonable once we have a really fast framework for intersection tests.
/adrian 2008/7/12 Jean-Sébastien Guay <[EMAIL PROTECTED]>: > Hi Robert, > > To wrap, all these changes on now in SVN trunk and will be part of >> 2.5.4 and hence the up coming 2.6. If you enable the build of >> automatic KdTrees of load and use >> IntersectionVisitor/LineSegmentIntersector then you'll be able to go >> straight ahead of use KdTree intersections without lifting a further >> finger ;-) >> > > This is all very cool! I'll definitely be testing this out in the next few > days to try it out with my Masters project (which was very > intersection-heavy). I'll be setting up a little competition between your > KdTree and Adrian Egli's... Just kidding! > > I think I may be able to help a bit regarding the higher-level setup and > bookkeeping changes needed to speed things up on that regard. One thing I > noticed before is that creating a new Intersector and IntersectionVisitor > each time is costly, and instead keeping static or cached instances and > using the reset() and setStart()/setEnd() methods is faster. There may be > some other similar things that can be done too, we'll see what I can dig up. > > Thanks a lot for this work, it's a great addition, and I expect that it > will be useful in lots of different applications. > > J-S > -- > ______________________________________________________ > Jean-Sebastien Guay [EMAIL PROTECTED] > http://www.cm-labs.com/ > http://whitestar02.webhop.org/ > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > -- ******************************************** Adrian Egli
_______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
