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mplot.m
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1996-11-15
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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
global multiplot_xsize multiplot_ysize
global multiplot_xn multiplot_yn
global multiplot_xi multiplot_yi
## This is a real kludge. We gnuplot should be made so that replot can
## be executed while doing multiple plots...
global multiplot_save_auto_replot = automatic_replot
if (automatic_replot)
warning ("turning off automatic replot for multiplot mode");
multiplot_save_auto_replot = automatic_replot;
automatic_replot = 0;
endif
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_xn)
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