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Shader: Add Metallic BSDF Node #105008

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Aaron Carlisle merged 10 commits from Alaska/blender-manual:metallic-bsdf into blender-v4.3-release 2024-11-12 19:11:59 +01:00
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manual/render/shader_nodes/shader/metallic.rst
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@ -76,16 +76,15 @@ Fresnel Type
Models for describing the metal's appearance, by specifying the apparent color or the physical IOR. Models for describing the metal's appearance, by specifying the apparent color or the physical IOR.
:F82 Tint: :F82 Tint:
Uses the Adobe F82-Tint formula for the metallic fresnel. Uses the `Adobe F82-Tint formula <https://helpx.adobe.com/content/dam/substance-3d/general-knowledge/asm/Adobe%20Standard%20Material%20-%20Technical%20Documentation%20-%20May2023.pdf>`__
This allows for artist friendly control of the color near the edge of the material for the metallic fresnel. This allows for artist friendly control of the color near the edge of the
to simulate a complex IOR. material to simulate a complex IOR.
:Physical Conductor: :Physical Conductor:
Accepts :abbr:`IOR (Index of Refraction)` and Extinction coefficients, measurements from real world Accepts Complex IOR measurements from real world metals to replicate a more accurate rendering
metals to replicate a more accurate rendering of metals than the *F82 Tint* Fresnel type. of metals than the *F82 Tint* Fresnel type.
:abbr:`IOR (Index of Refraction)` and Extinction coefficients, otherwise known as n, k, Complex IOR values can be found from sources like the
commonly referred to as a complex :abbr:`IOR (Index of Refraction)`, can be found `Physically Based database for CG artists <https://physicallybased.info/>`__
from source like the `Physically Based database for CG artists <https://physicallybased.info/>`__
and `Refractive Index nk database <https://refractiveindex.info/>`__. and `Refractive Index nk database <https://refractiveindex.info/>`__.
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