1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
## Copyright (C) 1996 John W. Eaton
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2, or (at your option)
## any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING. If not, write to the Free
## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
## 02111-1307, USA.
## usage: figure (n)
##
## Set the current plot window to plot window N. This function
## currently requires X11 and a recent version of gnuplot.
## Author: jwe
function f = figure (n)
global __FIGURE_LIST__ = create_set (0);
global __FIGURE_CALLED__ = 0;
if (nargin == 0)
f = max (__FIGURE_LIST__) + 1;
else
f = n;
endif
if (nargin < 2)
if (gnuplot_has_frames)
if (! isempty (getenv ("DISPLAY")))
oneplot ();
__FIGURE_LIST__ = union (__FIGURE_LIST__, f);
eval (sprintf ("gset term x11 %d\n", f));
else
error ("figure: requires X11 and valid DISPLAY");
endif
else
error ("figure: gnuplot doesn't appear to support this feature");
endif
elseif (rem (nargin, 2) == 0)
if (! __FIGURE_CALLED__)
__FIGURE_CALLED__ = 1;
warning ("figure: setting figure properties is unsupported");
endif
else
usage ("figure (n)");
endif
endfunction
|
