Thanks Evan, with your example I'm able to see the problem when browsing http://www.openscenegraph.org/data/earth_bayarea/earth.ive. I'll now dig into the DatabasePager to see what is up.
On Thu, Apr 23, 2009 at 4:08 PM, Evan Andersen <andersen.e...@gmail.com> wrote: > Robert, > > Here's a simple viewer I wrote that does non-continuous render and exhibits > the problem. You can just run it like the osgviewer application, passing in > the path to a database on the command line. I have also included a stats > handler that will cause the app to switch to continuous render while it is > onscreen. I have only tested this with osgEarth, so I don't know if the > problem manifests itself with VPB databases. The reloading problem wouldn't > manifest itself when I ran an animation path because playing back the > animation essentially caused continuous rendering, but if you load an earth > database and move around a bit in the scene you should see the behavior. I > can get it to happen pretty reliably when I load the yahoo satellite images > using osgEarth, then quickly zoom in on an area that I have cached. When I > stop zooming and zoom back out or pan around, the tiles start reloading. I > had a co-worker try this out and he was able to duplicate the problem pretty > quickly, so hopefully it will happen easily for you too. > > Evan > > > On Thu, Apr 23, 2009 at 2:14 AM, Robert Osfield <robert.osfi...@gmail.com> > wrote: >> >> Hi Evan, >> >> On Wed, Apr 22, 2009 at 10:05 PM, Evan Andersen <andersen.e...@gmail.com> >> wrote: >> > Ryan, >> > >> > Thank you for the suggestion. When I call >> > setTargetMaximumNumberOfPagedLOD(0) on the database pager, as you >> > suggested >> > and then set the expiry delay to DBL_MAX and the expiry frames to 10, as >> > Jason Suggested the problem seems to go away. I'm not really sure why >> > this >> > works. It seems like the default behavior should work in my usage case, >> > but >> > at least it is working now. >> >> Could you modify one of the OSG examples to reproduce your application >> usage style and use this to recreate the problem. I could then have a >> look at why the new (and now default) expiry scheme is not working >> correctly. As you say it should work, at present I don't know why the >> old scheme is able to work. >> >> Robert. >> _______________________________________________ >> 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 > > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
