So, it works now, but I´d still like to check what could have been the problem.
I´ve just tried it out myself and found some possible problems.
Well, to be honest it´s just one possible problem and that is:
Adding bumpmaps works. Adding displacementmaps works.
But you have to make sure that in the advanced material properties they are
handled correctly.
To be more precise - there are basically two ways to ADD a bump to a surface,
and that is to either set "bumpnormal =PLUS bumpmaptexture", or to set
"bumpnormal =EQUALS bumpmaxtexture".
This both works.
But if you´re adding two bumpmaps of which one´s bump is defined as _being
equal_ to it´s bumpmaxtexture, than it could happen that:
- Bumpmap one adds it´s bump
- Bumpmap two resets the bump ("Bump is equal to...") to it´s own bump
At least that seems to be the case, based on my quick experiment now.
So probably that also was the case with your project?
Greets
Martin
PS: Displacement mapping seems to work better in either way.
I thus would just use it instead of bumpmapping where it is applicable.
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