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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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4
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19 function grid (x) |
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20 |
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21 # usage: grid ("on" | "off") |
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22 # |
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23 # Turn grid lines on or off for plotting. |
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24 # |
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25 # If the argument is omitted, "on" is assumed. |
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26 # |
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27 # See also: plot, semilogx, semilogy, loglog, polar, mesh, contour, |
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28 # bar, stairs, gplot, gsplot, replot, xlabel, ylabel, title |
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29 |
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30 if (nargin == 0) |
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31 set grid; |
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32 elseif (nargin == 1) |
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33 if (isstr (x)) |
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34 if (strcmp ("off", x)) |
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35 set nogrid; |
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36 elseif (strcmp ("on", x)) |
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37 set grid; |
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38 else |
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904
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39 usage ("grid (\"on\" | \"off\")"); |
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4
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40 endif |
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41 else |
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904
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42 error ("grid: argument must be a string"); |
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4
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43 endif |
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44 else |
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45 error ("usage: grid (\"on\" | \"off\")"); |
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46 endif |
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47 |
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48 endfunction |
