HI Bhanu, Have a look at the osgforest example, it has various approach to rendering large numbers of trees. The example uses texture quads as the basis but the approaches can be generalized.
Robert. On 14 March 2017 at 05:40, Bhanu Chandra <[email protected]> wrote: > Hi, > I am trying to add more than 3000 .3ds models to the scene at different > places. I am getting too low frame rate i.e 2.6. Is there any algorithms to > improve the frame rate in osg. I tried with following code > osg::ref_ptr<osg::Group> root = new osg::Group; > osg::Node* loadedModel = osgDB::readNodeFile("tree.3ds"); > for (int i = 0; i<3500; ++i) > { > float x = randomValue(0.5f, 6.5f); > float y = randomValue(0.5f, 6.5f); > float z = randomValue(0.0f, 1.0f); > > osg::ref_ptr<osg::MatrixTransform> trans = new > osg::MatrixTransform; > trans->setMatrix(osg::Matrix::scale(0.001, 0.001, 0.001) * > osg::Matrix::translate(x, y, z)); > trans->addChild(loadedModel); > osg::ref_ptr<osg::Group> parent = new osg::Group; > parent->addChild( trans.get()); > > root->addChild(parent.get()); > } > ... > > Thank you! > > Cheers, > Bhanu > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=70478#70478 > > > > > > _______________________________________________ > 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
