12-01-2010, 10:46 PM
It's hard to say what could cause that, but too low samples might cause it in VRay, but I've not seen anything like that in fR or mr.
In mr with low samples you would get circle-like artifacts, but have no idea why in VRay whole bucket would be wrong.
In mr with low samples you would get circle-like artifacts, but have no idea why in VRay whole bucket would be wrong.