Hi, someone told me that BRDF GGX suitable for metal only, is that true?

Worth saying that I adjust the GTR Tail Falloff on every material, you have more control but you now have two parameters to adjust for glossiness.

Even for a skin spec, tho this is in renderman RIS its the same GGX BDRF model

[image] Aussie Kitchen Worth saying that I adjust the GTR Tail Falloff on every material, you have more control but you now have two parameters to adjust for glossiness. This is a bit of a problem for me now actually. I don’t know whether it is best practice to set the Tail Falloff lower and h…

“whichever looks right” Generally speaking, leaving the tail at it’s default value seems to work the majority of the time for me - though not always.

I wonder if there is a “table” of physical correct values of tail faloff for corresponding materials ?

Is there a script out there that can convert all my old materials over to GGX ? I’ve been changing all my materials by hand since it was released, very time consuming.

[image] Global Bump map for VrayBlend Is there a script out there that can convert all my old materials over to GGX ? I’ve been changing all my materials by hand since it was released, very time consuming. VMC Script

Pretty sure the VMC script does it.

[image] Grant Warwick- Mastering Vray: Material Ideas Needed. I wonder if there is a “table” of physical correct values of tail faloff for corresponding materials ? Same as all the tables for scanned metals, it’d only be as accurate as the sample object that people measured. Glossiness is driv…

ggx question

V-Ray V-Ray for 3ds Max V-Ray for 3ds Max :: General

super_gnu July 28, 2015, 9:06am 9

ive been wondering the same thing.

3ds max 2018 will ship with Arnold in place of Mental Ray

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