[Octave-bug-tracker] [bug #49205] clim has four elements for imshow() result

[Dan Sebald]

URL:
  <http://savannah.gnu.org/bugs/?49205>

                 Summary: clim has four elements for imshow() result
                 Project: GNU Octave
            Submitted by: sebald
            Submitted on: Wed 28 Sep 2016 08:34:58 AM GMT
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

With the following set of commands there is a clim that has four elements, but
I think only two elements are valid (toolkit doesn't matter):


octave:1> graphics_toolkit ('qt')
octave:2> x = uint8 ((1:128)' + (1:128));
octave:3> y = repmat (x, 1, 1, 3);
octave:4> imshow (y)
octave:5> kids = get(gca, 'children')
kids = -6.9685
octave:6> get(kids(1),'clim')
ans =

     2   255     2  -Inf


The 2 and 255 seem correct.  I don't know what 2 -Inf might represent.  Out of
curiosity:


octave:7> get(gca,'clim')
ans =

     0   255






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