[Octave-bug-tracker] [bug #37715] colormap opens image if there's none

[Carnë Draug]

URL:
  <http://savannah.gnu.org/bugs/?37715>

                 Summary: colormap opens image if there's none
                 Project: GNU Octave
            Submitted by: carandraug
            Submitted on: Mon 12 Nov 2012 05:19:00 AM GMT
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Feature Request
                  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:

When colormap() is called without any argument, should return the current
colormap.

However, if there's no figure open, it will create one to return its colormap
since it does it with gcf() on line 95


    cmap = get (gcf (), "colormap");


Is there a way to avoid this? It's a bit annoying also since other functions
such as ind2gray and ind2rgb use it as default which causes a figure window to
open none is expected.




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