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>
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35 %% @deftypefn {Function File} {@var{theta} =} edgeAngle(@var{edge})
36 %% Return angle of edge
38 %% A = edgeAngle(EDGE)
39 %% Returns the angle between horizontal, right-axis and the edge EDGE.
40 %% Angle is given in radians, between 0 and 2*pi, in counter-clockwise
42 %% Notation for edge is [x1 y1 x2 y2] (coordinates of starting and ending
48 %% rad2deg(edgeAngle([p1 p2]))
52 %% @seealso{edges2d, angles2d, edgeAngle, lineAngle, edgeLength}
55 function theta = edgeAngle(edge)
57 line = createLine(edge(:,1:2), edge(:,3:4));
58 theta = lineAngle(line);