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[Octave-bug-tracker] [bug #30509] 'imshow' doesn't reverse 'ydir' of axi

From: Rik
Subject: [Octave-bug-tracker] [bug #30509] 'imshow' doesn't reverse 'ydir' of axis
Date: Wed, 21 Jul 2010 23:46:31 +0000
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100628 Ubuntu/9.10 (karmic) Firefox/3.6.6

Update of bug #30509 (project octave):

                  Status:                    None => Need Info              


Follow-up Comment #2:

The 'ydir' property was specifically changed so that images and plots could
be overlaid using 'hold on'.  

The original bug report for that (#30033) has more information.

It would be interesting to see how Matlab handles these issues.  If you have
access to Matlab could you try the following:

hold on;
get (gca, 'ydir')
imshow ("arrow_up.jpg");
get (gca, 'ydir')

What this should show is a cyan line from the lower left to the upper right
and the image of an arrow pointing to the top of the screen.  The file
"arrow_up.jpg" is attached to the bug report.

(file #21031)

Additional Item Attachment:

File name: arrow_up.jpg                   Size:3 KB


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