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annotate scripts/plot/grid.m @ 5105:e35b034d3523

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[project @ 2004-12-28 03:36:13 by jwe]
author jwe
date Tue, 28 Dec 2004 03:36:14 +0000
parents c08cb1098afc
children b111ca4715c6
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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 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {} grid (@var{arg})
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22 ## For two-dimensional plotting, force the display of a grid on the plot.
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23 ## The argument may be either @code{"on"} or @code{"off"}. If it is
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24 ## omitted, @code{"on"} is assumed.
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25 ## @end deftypefn
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26 ##
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27 ## @seealso{plot, semilogx, semilogy, loglog, polar, mesh, contour,
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28 ## bar, stairs, gplot, gsplot, replot, xlabel, ylabel, and title}
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30 ## Author: jwe
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32 ## PKG_ADD: mark_as_command grid
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34 function grid (x)
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35
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36 usage_msg = "grid (\"on\" | \"off\")";
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38 if (nargin == 0)
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39 gset grid;
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40 elseif (nargin == 1)
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41 if (isstr (x))
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42 if (strcmp ("off", x))
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43 gset nogrid;
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44 elseif (strcmp ("on", x))
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45 gset grid;
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46 else
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47 usage (usage_msg);
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48 endif
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49 else
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50 error ("grid: argument must be a string");
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51 endif
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52 else
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53 usage (usage_msg);
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54 endif
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55
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56 endfunction