[Bf-committers] Re: parallaxmap error

[Arne Schmitz]

Am Freitag, 17. Dezember 2004 22:36 schrieb Martin Poirier:
> Except that normal map would probably be more accurate
> since you don't have to derivate the new normal from
> the height map, it's directly given to you.

On the contrary -- normal maps will almost always be 8 bit only, so there is a 
quantisation error introduced into the normals. The normals computed from a 
bump map are at least as accurate, since they also will be bilinearly 
interpolated.

Arne

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