Thanks for the quick reply Robert. I intend to look into it as time allows; any hint on where to start? I'm not terribly familiar with osgTerrain.
Craig On Mar 2, 2010, at 11:03 AM, Robert Osfield wrote: > Hi Craig, > > The normals at task boundaries aren't presently equalised, nor are boundaries > between different levels of detail. With textured models the artefact isn't > too noticeable, but with straight geometry it's more pronounced as you have > found. > > My plan to address this artifact has been to tackle it in osgTerrain at > runtime, adding the automatic adjustment of normals as tiles are loaded. > Alas I just haven't yet had the time undertake the work, and don't at present > have a slot for it. Feel free to dive in and add it :-) > > Robert. > > On Tue, Mar 2, 2010 at 4:22 PM, Craig S. Bosma <[email protected]> wrote: > Hi, > > I've been exploring VPB lately (0.9.11 or thereabouts) and I'm noticing that > normals seem to be not quite right at tile boundaries, causing visible > 'seams' in the lit terrain (see attached screen capture). Is anyone else > aware of this issue, or under what circumstances it appears? My osgdem usage > is pretty straightforward -- one SRTM geotiff and no imagery (for this > example): > > osgdem --PagedLOD -d dem/srtm_12_05.tif > > Thanks for any insight, > > Craig > > > > _______________________________________________ > 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 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

