Chaos Corona for Cinema 4D > [C4D] Feature Requests

Invert Textures

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aler:
When I got acquainted with Corona, liked the ease and convenience of working with materials. But then noted that some functions are not enough. In particular Invert for textures.
1) Screenshot 1. For example VRay in the Alpha channel has an inversion, which is sometimes convenient, but it wouldn't hurt for Corona.
2) Screenshot 2. Even more there is a need for invert function in the Reflection channel, because there are not always Glossiness textures, but instead Roughness. Also for more accurate adjustment (or temporarily turn off) it would be useful Mix Strength.

Beanzvision:
Hi, Why not use the Corona color correct shader to invert it?

houska:
If you want to be exact, do note that Reflection roughness vs. glossiness are not a simple inversion of each other. It's actually like this:
--- Code: ---glossiness = 1 - Sqrt(roughness)
--- End code ---

romullus:

--- Quote from: houska on 2019-12-12, 11:05:16 ---If you want to be exact, do note that Reflection roughness vs. glossiness are not a simple inversion of each other. It's actually like this:
--- Code: ---glossiness = 1 - Sqrt(roughness)
--- End code ---

--- End quote ---

Never heard that. Is there blending mode that would convert roughness to glossiness "correctly"?

houska:
I am not sure what you mean by "blending mode", Romullus?

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