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rotornut44 avatar image
rotornut44 asked Boris_ answered

Custom apron material metallic shine

Hello,
I'm trying to null out a metallic shine on my custom ground material. I'm currently using a Normal Roughness Metal Comp texture, which I have attached a .psd copy of.

My metallic (red) channel is flat black and my roughness (blue) channel is using my PBR roughness texture with a 90% white overlay, as the original roughness texture was too shiny. However, my material in the sim is still showing a noticeable metallic shine.

ground-metallic-nodetail.png

(Image: Detail texture disabled)


I have also tried to go darker on the roughness channel, and the result was almost a chrome surface, as expected.


Is there any way to get rid of this metallic sheen without getting rid of the comp texture all together? The surface is suppose to be gravel, so there should be no shine. I thought that maybe it had something to do with the asphalt detail texture, but disabling it gives the same result.



PSD Download

https://emeraldscenerydesign.com/downloads/ESD_Gravel01_1k_Comp.zip

Note: I had to upload this file on my own server, as I couldn't get it below the max upload size. Delete the black layer in the PSD, it's only a trick to make the file size smaller.

scenerymaterials
ground-metallic-nodetail.png (4.2 MiB)
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Boris_ avatar image
Boris_ answered

Hello @rotornut44 ,

We investigated and you need to reduce the contrast of your green/alpha channel
Your normal is way too high as you can see when you play with the sun.
There is an effect like 'metallic' but in reality this is not the case at all.


Regards,
Boris

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Boris_ avatar image
Boris_ answered rotornut44 commented

Hello @rotornut44 ,
Can you send us the final .PNG that you have exported with Photoshop (the one you used in your screenshot) and the .DDS file please ?

Also be sure to read this in the quality section. (some image edition tools write a black color to fully transparent pixels instead of preserving the original color)

Regards,
Boris

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rotornut44 avatar image rotornut44 commented ·

@Boris_

Here's a link to download a zip of the PNG and DDS Comp:
https://emeraldscenerydesign.com/downloads/ESD_Gravel_Comp_debug.zip

To my knowledge, the original color should be preserved. I'm using the standard Photoshop "Save As" for export. If I reopen it in Gimp, the alpha stays intact.

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