Hi Clayton, I remember a recent thread about this. In that case, the problem was the tesselation level of the spheres. Try lowering it:
http://www.mail-archive.com/osg-users@lists.openscenegraph.org/msg33587.html -- Alberto "Clayton Bluhm" writes: > Hi, > > I am new to OSG. I am trying to draw a lot of spheres into a scene. By lots > I mean on the order of a 100,000 or so. This really brings my simple test > app to its knees. Here is the current way I am drawing these spheres: > > > Code: > > osg::Sphere *unitSphere = new osg::Sphere(osg::Vec3(0,0,0),5.0); > osg::ShapeDrawable* unitSphereDrawable = new osg::ShapeDrawable(unitSphere); > > for(1...100,000) > { > osg::PositionAttitudeTransformation *shpereXForm = new > osg::PositionAttitudeTransformation(); > sphereXForm->setPosition(position); > osg::Geode* unitShpereGeode = new osg::Geode(); > sphereXForm->addChild(unitSphereGeode); > unitSphereGeode->addDrawable(draw); > GetScene()->AddDrawable(unitSphereGeode); > } > > > > > Our current product uses straight 2D OpenGL calls and uses points instead of > spheres to draw the dataset. We are currently porting everything to 3D using > OSG and found that we might have to do something unique when it comes to > displaying the dataset we are trying to display. The dataset we are trying > to draw doesn't persist over time. Its there one second and gone the next. > I need a quick way to draw lot of spheres very quickly. I have started > looking into overriding the Camera::DrawCallback and add raw OpenGL calls. > Is this the right path to look down or is there something easier? > > I apologize in advance if there is a simple answer to this that a newb like > me should have seen or something I am doing completely wrong. > > Thank you! > > Cheers. > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=21774#21774 > > > > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
