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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: top_title (text)
##
## NOTE: this will work only with gnuplot installed with
## multiplot patch
##
## makes a title with text "text" at the top of the plot
## Author: Vinayak Dutt <Dutt.Vinayak@mayo.EDU>
## Created: 3 July 95
## Adapted-By: jwe
function top_title (text)
if (! gnuplot_has_multiplot)
error ("top_title: gnuplot does not appear to support this feature");
endif
if (nargin != 1)
usage ("top_title (text)");
endif
if (isstr (text))
gset bottom_title;
gset title;
eval (sprintf ("gset top_title \"%s\"", text));
else
error ("error: top_title: text must be a string");
endif
endfunction
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