scenario-maya-lookdev

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Use when shading an asset in Maya with Arnold: OpenPBR or aiStandardSurface materials, hooking up Substance Painter or UDIM texture sets, color spaces (sRGB, Raw, ACEScg), a normal map that looks wrong, displacement with black holes or faceting, skin SSS, chrome and metals, glass or crystal, car paint, aiStandardHair, porting Standard Surface to OpenPBR, or a lookdev turntable with chrome and gray balls. Also when textures render washed out, too dark or plastic in Arnold.

AI & Automation 536 stars 67 forks Updated today MIT

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Skill Content

# Look development in Maya 2027 (Arnold) Expert look dev is a material that holds under any light a lighter throws at it: correct data in (every map in the right color space through the right plug), physically meaningful base values (measured metal colors, glass tinted by depth, scattering at real scale), then deliberate imperfection, judged on a neutral turntable with reference balls, one change per render. Nothing is done before a render has been looked at. If a sibling skill named here is missing from your available skills, ask the user to install it (`npx skills add scenario-labs/skills --skill <name>`); unattended, proceed from tool schemas and flag the gap. **REQUIRED BACKGROUND:** scenario-maya-expert (execution channel, review loop, 2027 version traps). **Status (2026-09-24):** [`scripts/mx_shade.py`](scripts/mx_shade.py) is **not yet run in Maya**: 122 offline checks passed; the Maya layer ran against a fake `maya.cmds` (logic only). Once Maya is installed: `tests/code/maya-lookdev/run_all.sh`, then fix the attribute tables from `probe_lookdev.json`. ## Stance (the expert delta) - **Every map is a three-part contract: color space, grayscale plug, destination.** Sarkamari's table [ZtEiVa3MPLg 00:27:44]; J Hill's two questions, "what color space is it and is it black and white" [mpk6IurOWbs 00:21:43]. Base, subsurface and emission color are color (sRGB for 8/16-bit, linear Rec.709 for EXR); everything else is Raw. outAlpha with Alpha Is Luminance off reads no data...

Details

Author
scenario-labs
Repository
scenario-labs/skills
Created
1 months ago
Last Updated
today
Language
Python
License
MIT

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