That parameter is exactly what I was looking for, thanks! On 1/5/2011 3:36 PM, Wojciech Lewandowski wrote: > Hi Peter, > > Try using MinLightMargin parameter. May help somtimes. Look at the > attached picture for its meaning. > > Cheers, > Wojtek Lewandowski > > -----Oryginalna wiadomość----- From: Peter Amstutz > Sent: Wednesday, January 05, 2011 7:37 PM > To: OpenSceneGraph Users > Subject: [osg-users] osgShadow clipping shadows cast from off-camera > objects > > Hello all, > > I am trying to add dynamic shadows to my scene and so far > osgShadow::LightSpacePerspectiveShadowMapVB seems to produce the best > results [*]. Unfortunately, one problem I am encountering is that > shadows cast by geometry located to the side or behind the camera get > clipped, leading to a number of artifacts. For example, standing > outside a building with the "sun" to your back, the shadow map correctly > projects the outline of a doorway onto the floor. However, once the > camera enters the building, the wall is clipped and this causes the > entire room to be illuminated. This is a very noticeable and > undesirable effect. How can I mitigate this problem? > > [*] I had high hopes for PSSM based on reading about the technique but > so far neither osg 2.8.3 nor 2.9.10 produce correct results for me. > > Thanks! > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
-- Peter Amstutz Senior Software Engineer Technology Solutions Experts Natick, MA 02131
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