1 %% Copyright (c) 2011, INRA
2 %% 2011, David Legland <david.legland@grignon.inra.fr>
3 %% 2011 Adapted to Octave by Juan Pablo Carbajal <carbajal@ifi.uzh.ch>
5 %% All rights reserved.
6 %% (simplified BSD License)
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9 %% modification, are permitted provided that the following conditions are met:
11 %% 1. Redistributions of source code must retain the above copyright notice, this
12 %% list of conditions and the following disclaimer.
14 %% 2. Redistributions in binary form must reproduce the above copyright notice,
15 %% this list of conditions and the following disclaimer in the documentation
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35 %% @deftypefn {Function File} {@var{hb} = } drawOrientedBox (@var{box})
36 %% @deftypefnx {Function File} {@var{hb} = } drawOrientedBox (@dots{}, @var{param}, @var{value})
37 %% Draw centered oriented rectangle.
40 %% drawOrientedBox(BOX)
41 %% drawOrientedBox(BOX, 'PropertyName', propertyvalue, ...)
44 %% drawOrientedBox(OBOX)
45 %% Draws an oriented rectangle (or bounding box) on the current axis.
46 %% OBOX is a 1-by-5 row vector containing box center, dimension (length
47 %% and width) and orientation (in degrees):
48 %% OBOX = [CX CY LENGTH WIDTH THETA].
50 %% When OBOX is a N-by-5 array, the N boxes are drawn.
52 %% HB = drawOrientedBox(...)
53 %% Returns a handle to the created graphic object(s). Object style can be
54 %% modified using syntaw like:
55 %% set(HB, 'color', 'g', 'linewidth', 2);
57 %% @seealso{drawPolygon, drawRect, drawBox}
60 function varargout = drawOrientedBox(box, varargin)
62 %% Parses input arguments
64 if nargin > 4 && sum(cellfun(@isnumeric, varargin(1:4))) == 4
70 varargin = varargin(5:end);
82 % allocate memory for graphical handle
83 hr = zeros(length(cx), 1);
85 % iterate on oriented boxes
87 % pre-compute angle data
97 % coordinates of box vertices
98 vx = cx(i) + [-lc + ws; lc + ws ; lc - ws ; -lc - ws ; -lc + ws];
99 vy = cy(i) + [-ls - wc; ls - wc ; ls + wc ; -ls + wc ; -ls - wc];
102 hr(i) = line(vx, vy, varargin{:});