1 ## Copyright (C) 2005-2012 John W. Eaton
3 ## This file is part of Octave.
5 ## Octave is free software; you can redistribute it and/or modify it
6 ## under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation; either version 3 of the License, or (at
8 ## your option) any later version.
10 ## Octave is distributed in the hope that it will be useful, but
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 ## General Public License for more details.
15 ## You should have received a copy of the GNU General Public License
16 ## along with Octave; see the file COPYING. If not, see
17 ## <http://www.gnu.org/licenses/>.
20 ## @deftypefn {Function File} {} gca ()
21 ## Return a handle to the current axis object. If no axis object
22 ## exists, create one and return its handle. The handle may then be
23 ## used to examine or set properties of the axes. For example,
28 ## set (ax, "position", [0.5, 0.5, 0.5, 0.5]);
33 ## creates an empty axes object, then changes its location and size in
43 h = get (gcf (), "currentaxes");
54 %! hf = figure ("visible", "off");
58 %! unwind_protect_cleanup