[osg-users] Converting PrimitiveSet to use triangles instead of triangle strips / fans?

[Julien Valentin]

https://github.com/openscenegraph/OpenSceneGraph/pull/596

mp3butcher wrote:
> INDEX_mesh don't reindex indexed 
> I fix it on my branch introducing a forceReindex parameter to the IndexMeshVisitor and use it witout an attached Optimizer 
> 
> 
> L. Voerman wrote:
> > I tend to use set OSG_OPTIMIZER=INDEX_MESH VERTEX_POSTTRANSFORM VERTEX_PRETRANSFORM
> > 
> > for these, but there might be something else preventing the optimizer from changing your geometry.
> > set OSG_OPTIMIZER=STATIC_OBJECT_DETECTION  INDEX_MESH VERTEX_POSTTRANSFORM VERTEX_PRETRANSFORM MERGE_GEOMETRY MERGE_GEODES
> > 
> > might do the trick
> > Laurens.
> > 
> > 
> > On Wed, Aug 15, 2018 at 9:10 AM Jad Killian < ()> wrote:
> > 
> > 
> > > Hi,
> > > 
> > > When I import a .obj file with readNodeFile, the result is a triangle strip instead of triangles. Even if the .obj file is a simple square with 4 vertices and 2 triangular faces, the resulting primitive set in the geode geometry contains
> > > 1 face, 4 indices with mode = 5 (TRIANGLE_STRIP).
> > > 
> > > I tried using the osg::Optimizer, but it doesn't seem to do anything:
> > > 
> > > 
> > > 
> > > Code:
> > > osg::ref_ptr<osg::Node> node = osgDB::readNodeFile(filepath.toStdString());
> > > 
> > > osgUtil::Optimizer optimizer;
> > > optimizer.optimize(node, osgUtil::Optimizer::INDEX_MESH);
> > > 
> > > 
> > > 
> > > for optimizer flags I tried INDEX_MESH, TESSELLATE_GEOMETRY, DEFAULT_OPTIMIZATIONS, nothing seems to work.
> > > 
> > > Any ideas?
> > > 
> > > Thanks
> > > 
> > > ------------------
> > > Read this topic online here:
> > > http://forum.openscenegraph.org/viewtopic.php?p=74401#74401 (http://forum.openscenegraph.org/viewtopic.php?p=74401#74401)
> > > 
> > > 
> > > 
> > > 
> > > 
> > > _______________________________________________
> > > osg-users mailing list
> > >  ()
> > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org (http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org)
> > > 
> > 
> > 
> >  ------------------
> > Post generated by Mail2Forum
> 


------------------------
Twirling twirling twirling toward freedom

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=74539#74539