> Is the normal discontinuity only apparent along one longitudinal > split?
yes, in fact the normal discontinuity only appears at the join of the tile. See the screenshot I have attached you will understand. What happens when you zoom in? > > I presume the normal discontinuity is along the boundary where the > longitude goes from -180 to 180. The is code to equalize normals > across boundaries between tiles, but don't remember any code that > wraps around the the equalization so this might well be the source of > the issue. Thanks for the explanation. As for fixing it, well you all have the source code... to me this is > rather a minor issue in the greater scheme of things. When viewing > the texture model a small discontinuity in the normal is hardly > noticeable. Robert. I will look at the code and try to fix this. Thanks. On Fri, Feb 22, 2008 at 3:13 PM, christophe loustaunau > <[EMAIL PROTECTED]> wrote: > > Hi all, > > > > I have notice that when I generate an earth with osgdem there is some > > problems with the normals. > > I have used this command line : > > > > osgdem --bluemarble-west -t ../land_shallow_topo_west.tif > > --bluemarble-east -t ../land_shallow_topo_east.tif > > --geocentric > > -l 12 > > -o earth.ive > > > > I have join to the mail, a screenShot of the first level, showing the > > normals. You can see that there > > is a problem of normals at the "join". > > > > I would like to know If Robert has plan to correct this, or is this > intend ? > > > > Thanks ! > > -- > > Christophe Loustaunau. > > > _______________________________________________ > > 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 > -- Christophe Loustaunau.
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