HI James, You don't have to do anything special to use the DatabasePager in osgViewer, just load a dataset with PagedLOD nodes in it and it'll automatically start paging. There isn't any examples that just demonstrate the database pager use as there really isn't any you need to do, the hard part is the database preparation.
There won't be shouldn't be performance delta between using SceneView + DatabasePager vs osgViewer, in fact the later if anything should be faster is it has better threading support. I am not familiar with OssimPlanet so can't guess at what might be up. Could it be as simple as you have compiled your own OSG version with debug but run a release version of an OssimPlanet demo? Robert. On Fri, Oct 17, 2008 at 5:44 PM, Chung, James - AES <[EMAIL PROTECTED]> wrote: > Hello All, > > > > I am using osgViewer::Viewer to display a scenegraph that contains an > OssimPlanet planet object as a node. From messages in the archive I > understand that osgViewer::Viewer has DatabasePager built into it, so I > expected to see good performance in the changing through the levels of > details of the planet. Instead, the performance is so slow that I suspect > there may not be any DatabasePager thread running. Is the DatabasePager > built into osgViewer::Viewer truly automatic, or do I still need to tickle > it somehow to get it going? > > > > As a comparison, the sample viewer program distributed by the OssimPlanet > folks changes levels (with the same dataset I'm using) in a matter of > seconds, whereas my app is taking minutes. Their sample program uses > SceneView with DataPager. > > > > I'd greatly appreciate it if anybody could shed some light on what might be > causing my performance problem, as I'm not very familiar with OSG. Is there > a sample program that demonstrates the use and benefit of DatabasePager? > > > > Thanks in advance. > > > > -Jim > > > > > > > > James Chung, Ph.D. > > Principal Computer Scientist > > ITT – Advanced Engineering & Sciences > > 22446 Davis Drive > > Sterling, VA 20164 > > [EMAIL PROTECTED] > > 703-668-6287 (ofc) – 703-430-9157 (fax) > > > > ________________________________ > This e-mail and any files transmitted with it may be proprietary and are > intended solely for the use of the individual or entity to whom they are > addressed. If you have received this e-mail in error please notify the > sender. > Please note that any views or opinions presented in this e-mail are solely > those of the author and do not necessarily represent those of ITT > Corporation. The recipient should check this e-mail and any attachments for > the presence of viruses. ITT accepts no liability for any damage caused by > any virus transmitted by this e-mail. > > _______________________________________________ > 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
