Hi Andreas, Did you try OSG-3.4.x? I'm wondering about when the regression in performance might have happened.
I have downloaded the file and will have a look. Robert. On 17 November 2017 at 16:14, Andreas Ekstrand <[email protected]> wrote: > Hi, > > I'm still struggling with migrating from old OSG 3.2.1 to the latest > developer release, now 3.5.8. > > I stumbled upon a rather serious performance issue here. When loading an > OpenFlight model with a large number of polygons, the optimization carried > out in the OpenFlight plugin is unacceptably slow in 3.5.8. It seems the > culprit is MergeGeometryVisitor. > > Here is an example with 150 000 polygons, it takes about 12s to load in > osgviewer 3.2.1 here and what feels like forever to load in 3.5.8: > https://www.dropbox.com/s/lmapv0iatn20d1q/house_150k.flt > > Has anyone seen this before? Any ideas how I can get it to behave like > before? > > Regards, > Andreas > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

