[Octave-bug-tracker] [bug #48664] imshow for binary data: colormap not handled correctly?

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?48664>

                 Summary: imshow for binary data: colormap not handled
correctly?
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Sun 31 Jul 2016 12:24:51 PM UTC
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

for binary data imshow will by default produce a black and white plot. The
colors can be changed by specifying a colormap:


a = rand(10,10);
imshow(a > 0.5, [1,0,0;0,1,0]);
pause


with octave this will result in an all red plot. Matlab gives a red/green
plot. (See attachment)



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File Attachments:


-------------------------------------------------------
Date: Sun 31 Jul 2016 12:24:51 PM UTC  Name: imshow_R2015b.png  Size: 2kB  
By: None

<http://savannah.gnu.org/bugs/download.php?file_id=38056>

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