Very often the node output gets converted or need to be converted to grayscale but loses the transparency. Working on maps that has several different materials it always good to isolate the parts and work. The grayscale removes the transparency. My graph becomes too complex just because this one thing and every now and then I have to convert to color and use mask, likewise there are few more...but lets fix this one first.0 votes
Transparency is a channel by itself, and greayscale is one channel only.
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