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## Copyright (C) 1996 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.
## usage: mplot (x, y)
## mplot (x1, y1, x2, y2, ...)
## mplot (x, y, fmt)
##
## This is a modified version of plot() command to work with
## multiplot version of gnuplot to plot multiple plots per page.
## This plot version automatically updates the plot position to
## next plot position after making the plot in the given subplot
## position.
##
## See command plot() for the various options to this command
## as this is just mulitplot version of the same command.
## Author: Vinayak Dutt <Dutt.Vinayak@mayo.EDU>
## Adapted-By: jwe
function mplot (...)
if (! gnuplot_has_multiplot)
error ("mplot: gnuplot does not appear to support this feature");
endif
## global variables to keep track of multiplot options
global __multiplot_mode__ = 0;
global __multiplot_xsize__;
global __multiplot_ysize__;
global __multiplot_xn__;
global __multiplot_yn__;
global __multiplot_xi__;
global __multiplot_yi__;
gset nologscale;
gset nopolar;
__plt__ ("plot", all_va_args);
## update the plot position
if (__multiplot_mode__)
if (__multiplot_xi__ < __multiplot_xn__)
__multiplot_xi__++;
else
__multiplot_xi__ = 1;
if (__multiplot_yi__ < __multiplot_yn__)
__multiplot_yi__++;
else
__multiplot_yi__ = 1;
endif
endif
xo = (__multiplot_xi__ - 1.0) * __multiplot_xsize__;
yo = (__multiplot_yn__ - __multiplot_yi__) * __multiplot_ysize__;
eval (sprintf ("gset origin %g, %g", xo, yo));
endif
endfunction
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