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Grungemap in Mutli-layer problem

Question asked by Luke Thompson on Aug 23, 2019
Latest reply on Aug 26, 2019 by Luke Thompson

Hello.

I'm trying to use multi-layer appearances to apply grungemaps. 

I've been following the information in the 2 tutorials below without much success. I can get either of the base appearances to show correctly on the plane, but when combined in a multi-layer apperance, I only see my bottom-most layer and not the transparent layer with the grungemap on it. I've tried swapping layers thinking my bottom layer should be the top, but no effect. 

 

I got my grungemap from the page below and used an inverted channel for the bump map. The color and alpha channels have the grunge map. 

 

Tutorials:

 

Grungemap: https://www.textures.com/download/overlays0041/137435?q=grunge 

 

Base is gunmetal appearance applied to a plane:

 

Top layer is Grungemap 2 applied to a plane

 

Multi-layer applied to a plane. can't see expected grungemap stains:

Layers flipped:

 

Any help would be appreciated. It seems the transparency of my grungemap isn't working in a multi-layer or I don't have something right with the appearance settings. I used a generic appearance instead of glass for the grungemap to have the most control over the appearance. I've tried playing with the alpha map, color density, etc... with no success.

 

Thanks.

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