Hi Antonin, As far as I remember, ABSOLUTE_RF_INHERIT_VIEWPOINT reference frame for Shadow map camera is set in osgShadow::StandardShadowMap and should be inherited and used by all derived classes including DebugShadowMap, MinimalCull/DrawBounds and all three LispSM flavours. So it looks like your problems may be caused by something else...
We have been using LispSM with LODs and we have not seen major artifacts since this addition of ABSOLUTE_RF_INHERIT_VIEWPOINT which happened after discussion you referenced. Maybe you are using LODs switched by pixel sizes (not viewpoint distance ) ? I have not tested this scenario but I would guess that it would depend on shadow map resolution. Its also possible that LispSM skewed projection matrix may somehow cause wrong results in pixel size LOD computations. Sorry to say that but you caught me at bad moment. I am going on a 5 day trip tomorrow and will be offline till next Tuesday. If you are unable to solve the issue by then, send some more info and maybe we would come up with some fresh idea... Cheers, Wojtek Lewandowski From: Antonin Linares Sent: Wednesday, April 29, 2009 5:57 PM To: osg osg Subject: [osg-users] ViewDependentShadow and Lod Hi all, I actualy use LightSpacePerspectiveShadowMap and it's work very well. but :( My terrain database lod levels became crazy, he seem to me it's the same problem in this thread here. (lod is compute from the shadow camera view point instead of eyes points) So i test to change the shadow camera RefernceFrame to ABSOLUTE_RF_INHERIT_VIEWPOINT in DebugShadowMap but it's made no change. Wojtek save me !! thanks all. Antonin Linares. -------------------------------------------------------------------------------- _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
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