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## Copyright (C) 1998-2003 Joao Cardoso.
##
## This program 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 of the License, or (at your
## option) any later version.
##
## This program 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.
##
## This file is part of plplot_octave.
## text(x, y, string);
##
## Place text on a 2-D graph at x y positions.
## x and y can be scalar or vectors; if vectors, string can be either
## a one row string or a matrix string with the same number of rows as x.
function text(x,y,string)
if ( nargin != 3)
help text
return
endif
__pl_init;
[xr, xc] = size(x);
[yr, yc] = size(y);
if (xc > xr)
x = x'; y = y';
xr = xc; yr = yc;
endif
if (xr != 1 || yr != 1)
if (xr != yr)
error("text: x and y must have same number of rows")
else
if (rows(string) == xr)
for i=1:xr
plptex(x(i), y(i), 0, 0, 0, string(i,:));
endfor
elseif (rows(string) == 1)
for i=1:xr
plptex(x(i), y(i), 0, 0, 0, string);
endfor
else
error("text: string must have same number of rows as x and y")
endif
endif
else
plptex(x, y, 0, 0, 0, string);
endif
plflush;pleop;
endfunction
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