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annotate scripts/plot/figure.m @ 3263:7d80b56e0dc8

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[project @ 1999-08-20 19:10:09 by jwe]
author jwe
date Fri, 20 Aug 1999 19:12:29 +0000
parents 98d862e12945
children a4cd1e9d9962
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1 ## Copyright (C) 1996, 1997 John W. Eaton
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 2, or (at your option)
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8 ## any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, write to the Free
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17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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18 ## 02111-1307, USA.
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20 ## usage: figure (n)
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21 ##
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22 ## Set the current plot window to plot window N. This function
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23 ## currently requires X11 and a recent version of gnuplot.
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25 ## Author: jwe
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26
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27 function f = figure (n)
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29 static figure_list = create_set (0);
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30 static figure_called = 0;
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32 if (nargin == 0)
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33 f = max (figure_list) + 1;
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34 else
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35 f = n;
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36 endif
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38 if (nargin < 2)
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39 if (gnuplot_has_frames)
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40 if (! isempty (getenv ("DISPLAY")))
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41 oneplot ();
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42 figure_list = union (figure_list, f);
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43 eval (sprintf ("gset term x11 %d\n", f));
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44 else
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45 error ("figure: requires X11 and valid DISPLAY");
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46 endif
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47 else
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48 error ("figure: gnuplot doesn't appear to support this feature");
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49 endif
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50 elseif (rem (nargin, 2) == 0)
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51 if (! figure_called)
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52 figure_called = 1;
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53 warning ("figure: setting figure properties is unsupported");
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54 endif
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55 else
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56 usage ("figure (n)");
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57 endif
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58
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59 endfunction