Values for Steel as a Rough conductor material (roughconductor)

[roflmaostc]

Hi,

any clues how to get some reasonable values for polished steel? Tried an LLM for realistic values, rather unsuccessful.

https://mitsuba.readthedocs.io/en/stable/src/generated/plugins_bsdfs.html#rough-conductor-material-roughconductor

Best,

Felix

[njroussel]

Hi @roflmaostc

For unconventional materials, I've used https://refractiveindex.info/, they have spectral measurements and both the real and imaginary components. It looks like they have stainless steel. As for the roughness, I feel like it really depends on what type of polished look you're going for - you can most likely just do a grid search.

[roflmaostc]

Thanks, in the meantime that's what I have done.

For the roughness, I found this page and was just comparing how it roughly looks
https://tryingtobeananimator.wordpress.com/2018/11/25/technical-ggx-vs-beckham-why-and-whats-the-difference/