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Posted: Thu Mar 09, 2006 7:44 pm
by blueplanetdesign
Perhaps this will assist you.
I parphrase from an earlier post by Tom;

For clipping, you need to use several maps.

Reflectance map has to be black in invisible parts,

transmittance map has to be white in invisible parts and completely black in visible parts,

rougness map has to be black in invisible parts.


With a little patience and some inventiveness you will get
the result you want.

Post your progress and we will help if we can.

Posted: Thu Mar 09, 2006 8:56 pm
by blueplanetdesign
Try an ordinary Maxwell metal material with some roughness applied.

Posted: Thu Mar 09, 2006 10:02 pm
by tokiop
Coatings are very specific, if you have no use of their rainbow proprieties (I guess it's not the physicians vocab :D) simply use another traditional material layer on top of the first one to control specularity.. but anyway, only one metal layer should work for what your after!

Posted: Fri Mar 10, 2006 2:22 pm
by jdp
something like this?
I can share the material if you want.

Image

Posted: Fri Mar 10, 2006 2:40 pm
by jonathan löwe
hmmm nice :-)
if you like to share, i'd take it!


best regards
jonathan

Posted: Fri Mar 10, 2006 3:20 pm
by jdp
sure :D , here we are:

micropierced aluminium

and this is how it is done, nothing very special:

Image

hope you enjoy...

Posted: Fri Mar 10, 2006 7:12 pm
by jdp
I've started a topic in the main forum and results are even better (not mine):

http://www.maxwellrender.com/forum/view ... highlight=