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PBR roughness metal workflow


Go to solution Solved by Fluffy,

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I always wondered, is this a bug or my misunderstanding of 3dc.  


I set texture workflow to roughness/metal and paint 0 roughness, 100 metal brush stroke. It's very shiny.
image.thumb.png.c4c15238880dca6e0a31bd38740e7ca6.png


50% roughness layer opacity. It becomes blurry. It should be opposite right?
image.thumb.png.67942720bc96f9d6b9386d4745c56dc3.png

 

0% roughness layer opacity. This should actually be very shiny.

image.thumb.png.01aef740dc9cb1e318838e280e556a2d.png

 

100% roughness and 0% metal layer opacity. It becomes shiny plastic. Again I think this is opposite. 

image.thumb.png.bd047fd352a5fe8a055b964224971ac7.png



 

 

 

 

 

 

Edited by geo_n
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ahhh sorry, brush only.

you are right, roughness layer value is inverted.

3DC layers take white value as 100, pure black is 0. I dont know if its a bug or it is how 3DC works.

Please contact support@3dcoat.com asking for this request.

Thanks for point it up.

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  • 1 month later...
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At first glance it seems like it should be inverted, but if you pop the Layers window out from its docked position and increase the width of the window you can see the full title of that setting isn't Roughness...

image.jpeg.bfb4344193b2d77320af79c6cf79407f.jpeg

...it's actually Roughness Opacity and in that context it works exactly as you would expect it to, i.e. it controls the opacity of the roughness channel of the layer rather than the roughness value itself.

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