get pixel alpha value

Question

Given a pixel in an image imported from a png file, how can I get the alpha value of the pixel with the GIMP? If this is not possible, what software can I use to achieve this (OS: Linux)?

score 56 · Accepted Answer · edited Jan 30 '13 at 14:30

56

Hold shift while using the color picker.

edited Jan 30 '13 at 14:30

Nifle

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answered Jan 30 '13 at 13:56

greg0ire

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get pixel alpha value

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