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Hua Li avatar image
Hua Li asked ·

Why the png Opacity Map is black?

I am trying 3ds max 2020 and arnold 5.3 , I have two questions:

1、Why the png Opacity Map is black?

2、The map can not be shown in renderer window, what should I do?

arnold53ds max
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Mads Drøschler avatar image
Mads Drøschler answered ·

Try look at my reply here using the layer node.
You work EXACTLY like photoshop, including the stacking from bottom up.
No need to a multi sub material.

https://answers.arnoldrenderer.com/answers/19210/view.html

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Mr. T avatar image
Mr. T answered ·

You could also "Shift+Drag" your bitmap to create a copy of your diffuse map, set that copies RGB Output to "Alpha as Gray" and the Alpha Source to "Image Alpha"

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