/usr/share/octave/packages/image-2.2.2/ordfilt2.m is in octave-image 2.2.2-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | ## Copyright (C) 2000 Teemu Ikonen <tpikonen@pcu.helsinki.fi>
##
## 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 3 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.
##
## You should have received a copy of the GNU General Public License along with
## this program; if not, see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {} ordfilt2 (@var{A}, @var{nth}, @var{domain})
## @deftypefnx {Function File} {} ordfilt2 (@var{A}, @var{nth}, @var{domain}, @var{S})
## @deftypefnx {Function File} {} ordfilt2 (@dots{}, @var{padding})
## Two dimensional ordered filtering.
##
## This function exists only for @sc{matlab} compatibility as is just a wrapper
## to the @code{ordfiltn} which performs the same function on N dimensions. See
## @code{ordfiltn} help text for usage explanation.
##
## @seealso{medfilt2, padarray, ordfiltn}
## @end deftypefn
function A = ordfilt2 (A, nth, domain, varargin)
if (nargin < 3)
print_usage ();
elseif (ndims (A) > 2 || ndims (domain) > 2 )
error ("ordfilt2: A and DOMAIN are limited to 2 dimensinos. Use `ordfiltn' for more")
endif
A = ordfiltn (A, nth, domain, varargin{:});
endfunction
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