1 %% Copyright (c) 2011, INRA
2 %% 2003-2011, 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:
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35 %% @deftypefn {Function File} {@var{h} = } drawRay (@var{ray})
36 %% @deftypefnx {Function File} {@var{h} = } drawRay (@var{ray}, @var{param}, @var{value})
37 %% Draw a ray on the current axis.
39 %% With @var{ray} having the syntax: [x0 y0 dx dy], draws the ray starting from
40 %% point (x0 y0) and going to direction (dx dy), clipped with the current
41 %% window axis. @var{param}, @var{value} pairs are passed to function @code{line}.
43 %% @seealso{rays2d, drawLine, line}
46 function varargout = drawRay(ray, varargin)
48 % get bounding box limits
51 % compute clipped shapes
52 [clipped isInside] = clipRay(ray, bb);
54 % allocate memory for handle
55 h = -ones(size(ray, 1), 1);
58 h(isInside) = drawEdge(clipped(isInside, :), varargin{:});