Thin-Film Interference For Cycles (GPU Compatible)

Description

The interference node group is mostly adapted from Pruster's own OSL interference script found in this Blenderartists thread: https://blenderartists.org/forum/showthread.php?403299-UPDATE-v1-6-Cycles-PBR-thin-film-interference-and-metals

The interference node group inside calculates the Fresnel Reflectance of metals and thin-films of up to two layers. These calculations take into account both a material's real index of refraction, n, and imaginary index of refraction, k (together known as the complex refractive index), allowing for more accurate Fresnel and Interference colors.

Included with the interference node group are various materials made with it including: metals (e.g. gold, silver, copper, and osmium), 12 car paints, oxide coated metals (e.g. tarnished silver and heated iron), coated glasses, and more. Other materials can be made using the known n and k values for each material, many of which can be found here: https://refractiveindex.info/

Only the interference node group is under a CC BY-NC-SA 4.0 license, but the output can be used for any purpose.

Comments (29)

B
Blendzman over 8 years ago

Hello!!! I have a ULTIMATE BANANA pending. I was wondering if u can make a good node setup for my blend.

M
Mikel007 over 8 years ago

Looks cool. Thanks for sharing it with us.

K
kanalratte over 8 years ago

many thanks

J
jolhirsute over 8 years ago

Love it ! Thank you !

S
sadra68 over 8 years ago

cool

A
acvarium over 8 years ago

How can anyone be so egocentric, selfish and conceited to publish such basic stuff, as material under such stupid license, as CC BY-NC-SA?

L
luid over 8 years ago

Totally agree!

S
sizzler over 8 years ago

Because they spent a lot of time on it and don't want people to steal it?? Anyway if you read the description, they said only the *node group* is under license, but the *output* can be used for any purpose. What's wrong with that? You just can't sell this shader exactly, but you can certainly sell any renders made with it. What more do you want?

P
prutser over 8 years ago

Yes, what a shame! It's available for free, someone worked hard on it and you can use it for any render purpose you can imagine. Horrible! /sarcasm

S
Someone_1135939 about 6 years ago

Are you serious?

J
Juncando over 8 years ago

Amazing

B
benkl over 8 years ago

Epic. This should be implemented in the main branch.

P
prutser over 8 years ago

Then take a look here: https://developer.blender.org/T49125 :)

D
DBT over 8 years ago

Oh man please, I hope they get it working. That would be fantastic!

T
thesonofhendrix over 8 years ago

GENIUS! If only Cycles would update into a spectral renderer. It seems like these dispersion effects show up in the actual caustics as well, which im guessing cannot be faked... if you can fake them with another nodegroup thing, then you are the highest genius.

J
Jean-Christophe Sekinger over 8 years ago

!!!!

D
dahray over 8 years ago

Thanks for sharing.

D
DBT over 8 years ago

That's wonderful thank you! Interesting to look at this one and compare to the Universal one by Samsorov on Blendermarket. Is it possible to stack them? Does it work for wacky diffraction type effects?

Z
zappdust about 8 years ago

This is really fantastic, I'd been casually looking for a material pack like this for a long time, and the whole kettle of fish just drops into my lap. Folks like you are what makes the blender community one of the best on the 'net. Kudos aplenty sir.

D
digtalzombie about 7 years ago

thank you

E
enzoroa_1169190 almost 6 years ago

niiiiiiiiiiiiice

M
Mosawi_1175635 almost 6 years ago

you are a star , thnks

R
rove over 5 years ago

This is one of the best material I have ever seen on blender, thank you

H
hamiandcheese over 5 years ago

ok thanks but its hard to find the download button >:(

A
Abhinav_1097257 almost 5 years ago

Thanks man

R
rossadelic over 4 years ago

I am very sorry, but how do you use it? I am new to Blender and have no idea how to connect it to make it work. Thanks!

A
apelahni over 4 years ago

i am intrigued

T
trevorsoh over 3 years ago

Thanks so much for your amazing work and development of these - and kindness in sharing the materials. I saw your amazing Bcon video and suddenly feel inclined to make bubbles in Blender!

Z
Zackx1 over 3 years ago

Thank you for this. I been looking all over for this. it make a great study material. Thank you once again and keep up the good work.

Sign in to leave a comment.