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## Copyright (C) 2024 David Legland
## All rights reserved.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are met:
##
## 1 Redistributions of source code must retain the above copyright notice,
## this list of conditions and the following disclaimer.
## 2 Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in the
## documentation and/or other materials provided with the distribution.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS''
## AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
## ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
## SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
## CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
##
## The views and conclusions contained in the software and documentation are
## those of the authors and should not be interpreted as representing official
## policies, either expressed or implied, of the copyright holders.
function circles2d(varargin)
%CIRCLES2D Description of functions operating on circles.
%
% Circles are represented by their center and their radius:
% C = [xc yc r];
% One sometimes considers orientation of circle, by adding an extra
% boolean value in 4-th position, with value TRUE for direct (i.e.
% turning Counter-clockwise) circles.
%
% Circle arcs are represented by their center, their radius, the starting
% angle and the angle extent, both in degrees:
% CA = [xc yc r theta0 dtheta];
%
% Ellipses are represented by their center, their 2 semi-axis length, and
% their angle (in degrees) with Ox direction.
% E = [xc yc A B theta];
%
% See also
% ellipses2d, createCircle, createDirectedCircle,
% isPointInCircle, isPointOnCircle, enclosingCircle, circumCircle
% intersectLineCircle, intersectCircles, radicalAxis
% circleToPolygon, circleArcToPolyline
% drawCircle, drawCircleArc
%
% ------
% Author: David Legland
% E-mail: david.legland@inrae.fr
% Created: 2008-10-13, using Matlab 7.4.0.287 (R2007a)
% Copyright 2008-2023 INRA - Cepia Software Platform
help('circles2d');
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