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by bram
2014-02-18T17:42:59-07:00
Forum: Users
Topic: Separating alpha channel yields values that are too low.
Replies: 1
Views: 2002

Separating alpha channel yields values that are too low.

Hello,

So I have a PNG with alpha in it.
Created with inkscape, I created a white 64x64 image with alpha value 90.

When I extract the alpha channel with NetPBM, I get a proper result: value 90.

When I extract the alpha channel with ImageMagick, I get the value 26 instead, far too low ...