7017
|
1 ## Copyright (C) 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2003, 2004, |
|
2 ## 2005, 2006, 2007 John W. Eaton |
2313
|
3 ## |
|
4 ## This file is part of Octave. |
|
5 ## |
|
6 ## Octave is free software; you can redistribute it and/or modify it |
|
7 ## under the terms of the GNU General Public License as published by |
7016
|
8 ## the Free Software Foundation; either version 3 of the License, or (at |
|
9 ## your option) any later version. |
2313
|
10 ## |
|
11 ## Octave is distributed in the hope that it will be useful, but |
|
12 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
|
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
14 ## General Public License for more details. |
|
15 ## |
|
16 ## You should have received a copy of the GNU General Public License |
7016
|
17 ## along with Octave; see the file COPYING. If not, see |
|
18 ## <http://www.gnu.org/licenses/>. |
245
|
19 |
3368
|
20 ## -*- texinfo -*- |
|
21 ## @deftypefn {Function File} {} grid (@var{arg}) |
5727
|
22 ## @deftypefnx {Function File} {} grid ("minor", @var{arg2}) |
6257
|
23 ## Force the display of a grid on the plot. |
3368
|
24 ## The argument may be either @code{"on"} or @code{"off"}. If it is |
6653
|
25 ## omitted, the current grid state is toggled. |
5727
|
26 ## |
6895
|
27 ## If @var{arg} is @code{"minor"} then the minor grid is toggled. When |
5727
|
28 ## using a minor grid a second argument @var{arg2} is allowed, which can |
|
29 ## be either @code{"on"} or @code{"off"} to explicitly set the state of |
6257
|
30 ## the minor grid. |
6895
|
31 ## @seealso{plot} |
3368
|
32 ## @end deftypefn |
4
|
33 |
2314
|
34 ## Author: jwe |
|
35 |
4264
|
36 ## PKG_ADD: mark_as_command grid |
|
37 |
7215
|
38 function grid (varargin) |
5727
|
39 |
|
40 persistent grid_on = false; |
|
41 persistent minor_on = false; |
6257
|
42 |
7215
|
43 [ax, varargin, nargs] = __plt_get_axis_arg__ ("grid", varargin{:}); |
7216
|
44 |
7215
|
45 if (nargs > 1) |
|
46 print_usage (); |
|
47 elseif (nargs == 0) |
|
48 grid_on = ! grid_on; |
6257
|
49 else |
7215
|
50 x = varargin{1}; |
5443
|
51 if (ischar (x)) |
4
|
52 if (strcmp ("off", x)) |
5727
|
53 grid_on = false; |
4
|
54 elseif (strcmp ("on", x)) |
5727
|
55 grid_on = true; |
|
56 elseif (strcmp ("minor", x)) |
|
57 minor_on = ! minor_on; |
|
58 if (minor_on) |
6257
|
59 grid_on = true; |
5727
|
60 endif |
4
|
61 else |
6046
|
62 print_usage (); |
4
|
63 endif |
|
64 else |
904
|
65 error ("grid: argument must be a string"); |
4
|
66 endif |
6257
|
67 endif |
|
68 |
|
69 if (grid_on) |
|
70 set (ax, "xgrid", "on", "ygrid", "on", "zgrid", "on"); |
|
71 if (minor_on) |
|
72 set (ax, "xminorgrid", "on", "yminorgrid", "on", "zminorgrid", "on"); |
5727
|
73 else |
6257
|
74 set (ax, "xminorgrid", "off", "yminorgrid", "off", "zminorgrid", "off"); |
|
75 endif |
4
|
76 else |
6257
|
77 set (ax, "xgrid", "off", "ygrid", "off", "zgrid", "off"); |
|
78 set (ax, "xminorgrid", "off", "yminorgrid", "off", "zminorgrid", "off"); |
5152
|
79 endif |
|
80 |
4
|
81 endfunction |