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imread test failure
From: |
Ben Abbott |
Subject: |
imread test failure |
Date: |
Fri, 26 Jun 2009 20:04:13 -0400 |
Does anyone else see this?
If not, might this be the result of a faulty graphicsmagick
installation?
Ben
octave:5> test imread
***** test
vpng = [ ...
137, 80, 78, 71, 13, 10, 26, 10, 0, 0, ...
0, 13, 73, 72, 68, 82, 0, 0, 0, 3, ...
0, 0, 0, 3, 8, 2, 0, 0, 0, 217, ...
74, 34, 232, 0, 0, 0, 1, 115, 82, 71, ...
66, 0, 174, 206, 28, 233, 0, 0, 0, 4, ...
103, 65, 77, 65, 0, 0, 177, 143, 11, 252, ...
97, 5, 0, 0, 0, 32, 99, 72, 82, 77, ...
0, 0, 122, 38, 0, 0, 128, 132, 0, 0, ...
250, 0, 0, 0, 128, 232, 0, 0, 117, 48, ...
0, 0, 234, 96, 0, 0, 58, 152, 0, 0, ...
23, 112, 156, 186, 81, 60, 0, 0, 0, 25, ...
73, 68, 65, 84, 24, 87, 99, 96, 96, 96, ...
248, 255, 255, 63, 144, 4, 81, 111, 101, 84, ...
16, 28, 160, 16, 0, 197, 214, 13, 34, 74, ...
117, 213, 17, 0, 0, 0, 0, 73, 69, 78, ...
68, 174, 66, 96, 130];
fid = fopen('test.png', 'wb');
fwrite(fid, vpng);
fclose(fid);
A = imread('test.png');
delete('test.png');
assert(A(:,:,1), [0, 255, 0; 255, 237, 255; 0, 255, 0]);
assert(A(:,:,2), [0, 255, 0; 255, 28, 255; 0, 255, 0]);
assert(A(:,:,3), [0, 255, 0; 255, 36, 255; 0, 255, 0]);
!!!!! test failed
assert (A (:, :, 1),[0, 255, 0; 255, 237, 255; 0, 255, 0]) expected
0 255 0
255 237 255
0 255 0
but got
0 255 0
255 237 255
0 255 0
Type uint8 matrix != matrix
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