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grid.m
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1999-12-24
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## Copyright (C) 1996, 1997 John W. Eaton
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2, or (at your option)
## any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING. If not, write to the Free
## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
## 02111-1307, USA.
## -*- texinfo -*-
## @deftypefn {Function File} {} grid (@var{arg})
## For two-dimensional plotting, force the display of a grid on the plot.
## The argument may be either @code{"on"} or @code{"off"}. If it is
## omitted, @code{"on"} is assumed.
## @end deftypefn
## See also: plot, semilogx, semilogy, loglog, polar, mesh, contour,
## bar, stairs, gplot, gsplot, replot, xlabel, ylabel, title
## Author: jwe
function grid (x)
if (nargin == 0)
gset grid;
elseif (nargin == 1)
if (isstr (x))
if (strcmp ("off", x))
gset nogrid;
elseif (strcmp ("on", x))
gset grid;
else
usage ("grid (\"on\" | \"off\")");
endif
else
error ("grid: argument must be a string");
endif
else
error ("usage: grid (\"on\" | \"off\")");
endif
endfunction