--- /dev/null
+%% Copyright (c) 2011, INRA
+%% 2004-2011, David Legland <david.legland@grignon.inra.fr>
+%% 2011 Adapted to Octave by Juan Pablo Carbajal <carbajal@ifi.uzh.ch>
+%%
+%% All rights reserved.
+%% (simplified BSD License)
+%%
+%% Redistribution and use in source and binary forms, with or without
+%% modification, are permitted provided that the following conditions are met:
+%%
+%% 1. Redistributions of source code must retain the above copyright notice, this
+%% list of conditions and the following disclaimer.
+%%
+%% 2. Redistributions in binary form must reproduce the above copyright notice,
+%% this list of conditions and the following disclaimer in the documentation
+%% and/or other materials provided with the distribution.
+%%
+%% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+%% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+%% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+%% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+%% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+%% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+%% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+%% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+%% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+%% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+%% POSSIBILITY OF SUCH DAMAGE.
+%%
+%% The views and conclusions contained in the software and documentation are
+%% those of the authors and should not be interpreted as representing official
+%% policies, either expressed or implied, of copyright holder.
+
+%% -*- texinfo -*-
+%% @deftypefn {Function File} {@var{T} = } createTranslation (@var{vector})
+%% @deftypefnx {Function File} {@var{T} = } createTranslation (@var{dx},@var{dy})
+%% Create the 3*3 matrix of a translation.
+%%
+%% Returns the matrix corresponding to a translation by the vector [@var{dx} @var{dy}].
+%% The components can be given as two arguments.
+%% The returned matrix has the form :
+%% [1 0 TX]
+%% [0 1 TY]
+%% [0 0 1]
+%%
+%% @seealso{transforms2d, transformPoint, createRotation, createScaling}
+%% @end deftypefn
+
+function trans = createTranslation(varargin)
+
+ % process input arguments
+ if isempty(varargin)
+ tx = 0;
+ ty = 0;
+ elseif length(varargin)==1
+ var = varargin{1};
+ tx = var(1);
+ ty = var(2);
+ else
+ tx = varargin{1};
+ ty = varargin{2};
+ end
+
+ % create the matrix representing the translation
+ trans = [1 0 tx ; 0 1 ty ; 0 0 1];
+
+endfunction
+
+%!test
+%! trans = createTranslation(2, 3);
+%! assert (trans, [1 0 2;0 1 3;0 0 1], 1e-6);