3d texture Roughness and AmbientOcclusion in the same map

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#1

I understand the textures types and use them very good now.
I encounter texture maps which includes both Roughness and AmbientOcclusion on the same map.
what is the use of it? how to use it?

#2

Roughness plugs into roughness. AO is mixed with the colour/diffuse, into the colour of the principled bdsf.

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#3

thanks, I know those usages.
I found textures that have the Roughness and AO but also have an addition map which includes both. the map color is Pink.

#4

the Node Wrangler add-on, will also handle this.

#5

thank you @FedPete.
My question is “what is the use of it? how to use it?”.
why we need both maps on the same file?

#6

To improve texturing and later on post processing!
Texturing is not only color, roughness, bump map, normal map … pro’s use many other parameters generated by Blender. All to be used in the post processing part of 3D art.

#7

thank you.
will try it.

#8

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