Product Chat / [SOLVED] A question about textures.

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Earthling45
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Posted: 16th Mar 2020 09:16 Edited at: 16th Mar 2020 09:22
I've been away to long from GG and have a question about the textures.
It is unclear to me if there should be a roughness in the alpha channel or a specular map?
For the tree i have a roughness map renamed to gloss without inverting this map.
For the rock texture on the terrain however, i've had to invert the roughness texture (thus darker) before adding it to the alpha of the diffuse map, otherwise i have a shiny effect on the rock.
Am i doing this how it should be done?
For the terrain i have rocky_D with an inverted roughness in the alpha and of course the normal map.

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OldFlak
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Posted: 16th Mar 2020 10:17
This post has been marked by the post author as the answer.
For PBR models you use the roughness map renamed to gloss like you are doing - tis weird but it is GG

For terrain you use the alpha channel in the _D to control how shiny it is (so white to black)
I usually use the diffuse it self, gray scale it, adjust the levels, and copy that into the Alpha channel - trial and error for shininess.

Also if you are using the 16 terrain system you can save the _D as PNG 32, as gg creates a huge atlas for the terrain anyhow.

OldFlak....
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Earthling45
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Posted: 16th Mar 2020 10:30
Ahh, thanks for your reply, this clear things up.

I've noticed that it is quicker to use .dds though because the loadtime for a .png is quite longer.

OldFlak
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Posted: 16th Mar 2020 21:38
Ah OK never tried using dds for 16 Terrain except for the _N, since Lee said only need to use PNG for _D
But either way it is only while it makes the atlas....

Don't forget to use a variation image - makes a huge difference


OldFlak....
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Belidos
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Posted: 16th Mar 2020 21:47
i thought slot 0 was the hard edge slot

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OldFlak
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Posted: 17th Mar 2020 04:44
Na first slot paints over anything with out the terrible banding - use it for paths...

OldFlak....
aka Reliquia
i7-4790 @ 3.2GHz. 8GB Ram. NVidia GeForce GTX 1060 6GB. M1: Acer 31.5" @1920x1080 M2: Samsung 31.5" @ 1920 x 1080. M3: Acer 24" @ 1920 x 1080. OS: Windows 10 Pro 64-bit Insider.
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