Anisotropic uv set to *none* in the arch shader? Can cause weird reflections sometimes.
per 2013/2/15 Stephan Hempel <[email protected]> > It seems like the infamous burned highlights problem which occurs when > you are lighting with IBL and normal lights. > > When you are using the already mentioned Advanced MIA material you > have to activate "Clamp Maximum for HDR rendering" at the bottom of > the Optimization Tab and set to something reasonable like 1.2 or so. > So the highlights are clamped and don't burn out. > > Another option is to tweak the "Highlight vs Reflection Balance" on > the Additional Options Tab and set it to a very low value like 0.1 or > less. > > Generally it's a good idea to deactive the specular contribution off > the lights if your lighting with IBL. > > Cheers, > Stephan. > >
