It looks fine, but I have yet to see any examples scaled up to an outdoor scene where you can see for miles(I don't even know if this is possible?). Also the a

It looks fine, but I have yet to see any examples scaled up to an outdoor scene where you can see for miles(I don't even know if this is possible?). Also the article this post links says this is diffuse only.. kinda not so impressive as specular is also very important. I assume this means they are using a diffuse model that is view direction independent so Lambert.. which is a rather crummy diffuse model.. the better diffuse models are view dependent..