Mercurial > hg > octave-lyh
comparison scripts/plot/drawnow.m @ 6257:44c91c5dfe1d
[project @ 2007-01-30 19:16:52 by jwe]
| author | jwe |
|---|---|
| date | Tue, 30 Jan 2007 19:16:55 +0000 |
| parents | |
| children | c6a7b0453f9a |
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| 6256:83949ae13b2c | 6257:44c91c5dfe1d |
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| 1 ## Copyright (C) 2005 John W. Eaton | |
| 2 ## | |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 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 2, or (at your option) | |
| 8 ## any later version. | |
| 9 ## | |
| 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. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 16 ## along with Octave; see the file COPYING. If not, write to the Free | |
| 17 ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
| 18 ## 02110-1301, USA. | |
| 19 | |
| 20 ## -*- texinfo -*- | |
| 21 ## @deftypefn {Function File} {} drawnow () | |
| 22 ## Display the current graphics. | |
| 23 ## @end deftypefn | |
| 24 | |
| 25 ## Author: jwe | |
| 26 | |
| 27 function drawnow (term, file) | |
| 28 | |
| 29 ## Use this instead of calling gcf to avoid creating a figure. | |
| 30 | |
| 31 h = get (0, "currentfigure"); | |
| 32 | |
| 33 if (h) | |
| 34 | |
| 35 f = get (h); | |
| 36 | |
| 37 plot_stream = f.__plot_stream__; | |
| 38 | |
| 39 if (isempty (plot_stream)) | |
| 40 plot_stream = popen (sprintf ("gnuplot -title \"Figure %d\"", h), "w"); | |
| 41 if (plot_stream < 0) | |
| 42 error ("drawnow: failed to open connection to gnuplot"); | |
| 43 else | |
| 44 set (h, "__plot_stream__", plot_stream); | |
| 45 if (isempty (getenv ("DISPLAY"))) | |
| 46 fprintf (plot_stream, "set terminal dumb\n;"); | |
| 47 endif | |
| 48 endif | |
| 49 endif | |
| 50 | |
| 51 if (nargin == 2) | |
| 52 fprintf (plot_stream, | |
| 53 "set terminal push; set terminal %s; set output '%s'\n", | |
| 54 term, file); | |
| 55 endif | |
| 56 | |
| 57 if (nargin == 2 || strcmp (f.visible, "on")) | |
| 58 __uiobject_draw_figure__ (f, plot_stream); | |
| 59 endif | |
| 60 | |
| 61 __request_drawnow__ (false); | |
| 62 | |
| 63 if (nargin == 2) | |
| 64 fputs (plot_stream, "set terminal pop; set output;\n"); | |
| 65 endif | |
| 66 | |
| 67 else | |
| 68 | |
| 69 __request_drawnow__ (false); | |
| 70 | |
| 71 endif | |
| 72 | |
| 73 | |
| 74 endfunction |