1 %% Copyright (c) 2011, INRA
2 %% 2004-2011, David Legland <david.legland@grignon.inra.fr>
3 %% 2011 Adapted to Octave by Juan Pablo Carbajal <carbajal@ifi.uzh.ch>
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35 %% @deftypefn {Function File} {@var{T} = } createTranslation (@var{vector})
36 %% @deftypefnx {Function File} {@var{T} = } createTranslation (@var{dx},@var{dy})
37 %% Create the 3*3 matrix of a translation.
39 %% Returns the matrix corresponding to a translation by the vector [@var{dx} @var{dy}].
40 %% The components can be given as two arguments.
41 %% The returned matrix has the form :
46 %% @seealso{transforms2d, transformPoint, createRotation, createScaling}
49 function trans = createTranslation(varargin)
51 % process input arguments
55 elseif length(varargin)==1
64 % create the matrix representing the translation
65 trans = [1 0 tx ; 0 1 ty ; 0 0 1];
70 %! trans = createTranslation(2, 3);
71 %! assert (trans, [1 0 2;0 1 3;0 0 1], 1e-6);