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Premultiplied Alpha in Marmoset - transparency problems

gizmo1990
polycounter lvl 9
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gizmo1990 polycounter lvl 9
Hi guys,

I've a question concerning premultiplied alphas when used in Marmosets toolbag and hope someone can answer it.

Basically can soft gradients off to black be achieved using this blend mode? I need to use premultiplied to achieve that punchy glowy effect but my alpha isn't behaving how I thought it should. Parts when it fades off to black (transparent) are all hard and all seem to be at only 50% transparency..?

Could someone educate me why this is and perhaps how I can achieve the effect I want? Punchy over layed tranparencies that fade off at their edges.

Any advice much appreciated.

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