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roughness
Posted: Fri Jan 22, 2010 3:31 pm
by cristian.tumiati
Little question.
The roughness channel have a slider very big .....there is a reference for the material like a IOR table.....
example....5000 like a satin metal....10000 like a chome?
Re: roughness
Posted: Fri Jan 22, 2010 4:15 pm
by Tim Ellis
Just take away two zeros dude, think of it as 100%.
That way you have similar to most 3d apps.
Chrome roughness 10000 (100% reflectivity)
50% roughness = 4980 (10000-40 x 0.5)
Lambert roughness 40 (0% reflectivity)
Tim.
Re: roughness
Posted: Fri Jan 22, 2010 4:23 pm
by cristian.tumiati
Thanks....
Re: roughness
Posted: Fri Jan 22, 2010 5:09 pm
by cristian.tumiati
Sorry...but in the roughness channel i don't load an alpha map ?.....
Re: roughness
Posted: Fri Jan 22, 2010 5:25 pm
by radiance
Hi,
The current demo does'nt support maps on the roughness channel.
this is fixed in the next demo version coming in a few days.
Radiance
Re: roughness
Posted: Fri Jan 22, 2010 5:30 pm
by Sam
So 8bit maps goes like this
Black = 10'000
White = 40
?
Re: roughness
Posted: Fri Jan 22, 2010 6:35 pm
by radiance
Sam wrote:So 8bit maps goes like this
Black = 10'000
White = 40
?
i posted above, maps are not supported on the rougghness channel with the current DEMO version.\
i'll add support for it soon, along those lines yeah
Radiance
Re: roughness
Posted: Fri Jan 22, 2010 7:01 pm
by Sam
I know roughness maps are not in the current demo
Will be nice to have these
Re: roughness
Posted: Fri Jan 22, 2010 9:18 pm
by Ankh.pd
sorry my ignorance, but..
Why must i subtract 40?
Re: roughness
Posted: Sat Jan 23, 2010 3:37 am
by Cire
Ankh.pd wrote:sorry my ignorance, but..
Why must i subtract 40?
Because 40 is the lowest value in the range for that setting.