MaterialX: How to separate image channels?

Forums Technical Discussion MaterialX: How to separate image channels?

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HypoSection: Member; 18 posts; Joined: Aug. 2019; Offline

Nov. 25, 2023 6:10 a.m.

Roughness and metallic are sometimes encoded in the green and blue channels of an image. How do you separate them in MaterialX? i.e. What's the MaterialX equivalent to Separate Color node in Blender?


matsvanreenen: Member; 7 posts; Joined: Jan. 2019; Online

Nov. 25, 2023 7:33 a.m.

You should be able to use the "MtlX Separate Color 3" node for this.


gui2one: Member; 101 posts; Joined: Feb. 2015; Offline

Nov. 25, 2023 7:40 a.m.

There is an equivalent for MaterialX : "Mtlx Separate Color 3"

https://vimeo.com/user43710534 [vimeo.com]


HypoSection: Member; 18 posts; Joined: Aug. 2019; Offline

Nov. 25, 2023 8:26 a.m.

Thanks, I was looking in the Texture2D section.

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