Hi Andrew, Try applying an osg::LightModel state attribute to your scene graph with setLocalViewer set to true. I use this to get consistent specular highlights across walls in our CAVE setups. Hope this helps.
Cheers, Farshid On Wed, Nov 7, 2012 at 5:22 AM, Andrew Straw <[email protected]> wrote: > Dear Robert, > > Thanks for your suggestion, but that does not fix the issue. (Diff to > osgprerendercubemap.cpp attached.) Any other ideas? > > -Andrew > > > On 11/05/2012 10:37 AM, Robert Osfield wrote: > > HI Andrew, > > Try putting an osg::LightSource with a positional light into the scene. > > Robert. > > On 3 November 2012 13:01, Andrew Straw <[email protected]> wrote: > >> Hi, >> >> (I have a vague memory of this question being asked years ago but I >> cannot find the discussion.) >> >> In the example program osgprerendercubemap, if you study the reflections >> you can see, at the borders between the faces of the cubemap used to render >> the reflects, inconsistencies in the specular highlights. Upon further >> inspection in my own code (just rendering the cubemap itself), it appears >> that the lighting, and hence the specular reflections, are calculated for a >> light that is fixed relative to the per-cubemap-face camera rather than >> fixed in world coordinates. Consequently, when an object shifts from the >> right edge of one camera to the left edge of the next camera, the >> reflection is rendered from a totally different relative light position. >> The visual seams are quite obvious when you know what to look for, and even >> more so in my program based off this one. >> >> Any advice on how to eliminate this effect would be greatly appreciated. >> >> Thanks in advance, >> Andrew >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> > > > > _______________________________________________ > osg-users mailing > [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 > >
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