Code covered by the BSD License  

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Automata Engineer 2010 NITK- Documented version

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Automata Engineer 2010 NITK- Documented version

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The documented version of the code which solves the problem statement of Automata Engineer 2010 NITK

lineAngle(varargin)
function theta = lineAngle(varargin)
%LINEANGLE Computes angle between two straight lines
%
%   A = lineAngle(LINE);
%   Returns the angle between horizontal, right-axis and the given line.
%   Angle is fiven in radians, between 0 and 2*pi, in counter-clockwise
%   direction.
%
%   A = lineAngle(LINE1, LINE2);
%   Returns the directed angle between the two lines. Angle is given in
%   radians between 0 and 2*pi, in counter-clockwise direction.
%
%   See also
%   lines2d, angles2d, createLine, formatAngle
%
%   ---------
%   author : David Legland 
%   INRA - TPV URPOI - BIA IMASTE
%   created the 31/10/2003.
%

%   HISTORY :
%   19/02/2004 : added support for multiple lines.

nargs = length(varargin);
if nargs == 1
    % one line
    line = varargin{1};
    theta = mod(atan2(line(:,4), line(:,3)) + 2*pi, 2*pi);
elseif nargs==2
    % two lines
    theta1 = lineAngle(varargin{1});
    theta2 = lineAngle(varargin{2});
    theta = mod(theta2-theta1+2*pi, 2*pi);
end

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