[Octave-bug-tracker] [bug #51251] gca should accept figure handle argument

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?51251>

                 Summary: gca should accept figure handle argument
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Fri 16 Jun 2017 06:28:58 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: Marshall Floyd
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.2.1
        Operating System: Any

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Details:

It would be nice if gca would take an optional argument of the figure handle
to get the current axis for. I've used this in Matlab and find it rather
useful when there are many figures.

Here's my fix that would make it work the way I want/expect:


function h = gca (f = gcf)

  if (nargin <= 1)
    h = get (f, "currentaxes");
    if (isempty (h))
      h = axes ("parent",f);
    endif
  else
    print_usage ();
  endif

endfunction





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