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I know what I can get using "Hair Info" node's "Intercept" value with "Color Ramp" node. The thing is, it's really unrealistic when I have hair of various length. I want melanin value to be affected by total hair length value, not it's % to simulate hair that are burned brighter with sun. Is there any trick to do that? Like somehow intercepting only the longest hair value and using it for every strand?

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how to make this happen: you need Geometry node -> separate RGB -> Map Range -> ColorRamp -> output.

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  • $\begingroup$ Sorry, but it's not. It's mapped to Z axis of the whole object and that's it, it's not mapped to hair length. $\endgroup$
    – Shaggy
    Mar 17, 2021 at 21:17

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