1
## Copyright (C) 2005-2013 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} {@var{h} =} gca ()
21
## Return a handle to the current axis object.
23
## The current axis is the default target for graphics output. In the case
24
## of a figure with multiple axes, @code{gca} returns the last created axes
25
## or the last axes that was clicked on with the mouse.
27
## If no current axes object exists, create one and return its handle. The
28
## handle may then be used to examine or set properties of the axes. For
34
## set (ax, "position", [0.5, 0.5, 0.5, 0.5]);
39
## creates an empty axes object and then changes its location and size in the
42
## Note: To find the current axis without creating a new axes object if it
43
## does not exist, query the @qcode{"CurrentAxes"} property of a figure.
46
## get (gcf, "currentaxes");
48
## @seealso{gcf, gco, gcbf, gcbo, get, set}
56
h = get (gcf (), "currentaxes");
68
%! hf = figure ("visible", "off");
72
%! unwind_protect_cleanup