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1 ## Copyright (C) 1996 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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19 |
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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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24 |
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25 ## Author: jwe |
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26 |
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27 function figure (n) |
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28 |
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29 if (nargin == 1) |
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30 if (gnuplot_has_frames) |
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31 if (! isempty (getenv ("DISPLAY"))) |
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32 eval (sprintf ("set term x11 %d\n", n)); |
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33 else |
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34 error ("figure: requires X11 and valid DISPLAY"); |
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35 endif |
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36 else |
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37 error ("figure: gnuplot doesn't appear to support this feature"); |
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38 endif |
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39 else |
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40 usage ("figure (n)"); |
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41 endif |
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42 endfunction |
