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[Octave-bug-tracker] [bug #32986] imread() reads .png with alpha channel


From: Tobias Wolf
Subject: [Octave-bug-tracker] [bug #32986] imread() reads .png with alpha channel as an unexpected array format
Date: Thu, 01 Aug 2013 20:13:01 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.0 Safari/537.36

Follow-up Comment #15, bug #32986 (project octave):

Sorry, really appreciate us iterating here.

But I don’t think I was inconsistent. In the old comment and in the new
comment I said essentially the same thing. No?

And your 3rd mat has all black, all zero alpha channels now (if c1 and c2 are
again supposed to be alpha).

octave:1> load alpha_test-3rd.mat
octave:2> imshow(c2)
octave:3> imshow(c1)
octave:4> c1

octave:5> find(c1)
ans = [](0x1)
octave:6> find(c2)
ans = [](0x1)


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