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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 the |
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7 # Free Software Foundation; either version 2, or (at your option) any |
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8 # later version. |
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9 # |
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10 # Octave is distributed in the hope that it will be useful, but WITHOUT |
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 # 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 02111-1307, USA. |
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18 |
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19 function figure (n) |
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20 |
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21 # usage: figure (n) |
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22 # |
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23 # Set the current plot window to plot window N. This function |
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24 # currently requires X11 and a recent version of gnuplot. |
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25 |
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26 if (nargin == 1) |
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27 if (gnuplot_has_frames) |
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28 if (! isempty (getenv ("DISPLAY"))) |
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29 eval (sprintf ("set term x11 %d\n", n)); |
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30 else |
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31 error ("figure: requires X11 and valid DISPLAY"); |
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32 endif |
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33 else |
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34 error ("figure: gnuplot doesn't appear to support this feature"); |
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35 endif |
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36 else |
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37 usage ("figure (n)"); |
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38 endif |
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39 endfunction |
