Am 13.02.2012 13:25, schrieb Thomas de Groot:
> I am still not sure about whether the bump sizes should be positive or> negative. I find positive values looking better in general but that> might be a wrong approach.
Don't worry about it: You can't get it right anyway, due to a known
problem with POV-Ray's implementation of UV-mapped image-based bump
maps. Unfortunately, fixing it isn't exactly trivial.
