X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;ds=sidebyside;f=octave_packages%2Fgeometry-1.5.0%2Fgeom2d%2FisPointInCircle.m;fp=octave_packages%2Fgeometry-1.5.0%2Fgeom2d%2FisPointInCircle.m;h=44e11d2567180b58f2ab0f757752506b58b0c951;hb=c880e8788dfc484bf23ce13fa2787f2c6bca4863;hp=0000000000000000000000000000000000000000;hpb=1705066eceaaea976f010f669ce8e972f3734b05;p=CreaPhase.git diff --git a/octave_packages/geometry-1.5.0/geom2d/isPointInCircle.m b/octave_packages/geometry-1.5.0/geom2d/isPointInCircle.m new file mode 100644 index 0000000..44e11d2 --- /dev/null +++ b/octave_packages/geometry-1.5.0/geom2d/isPointInCircle.m @@ -0,0 +1,67 @@ +%% Copyright (c) 2011, INRA +%% 2004-2011, David Legland +%% 2011 Adapted to Octave by Juan Pablo Carbajal +%% +%% All rights reserved. +%% (simplified BSD License) +%% +%% 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 COPYRIGHT HOLDER 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 copyright holder. + +%% -*- texinfo -*- +%% @deftypefn {Function File} {@var{b} = } isPointInCircle (@var{point}, @var{circle}) +%% Test if a point is located inside a given circle +%% +%% B = isPointInCircle(POINT, CIRCLE) +%% Returns true if point is located inside the circle, i.e. if distance to +%% circle center is lower than the circle radius. +%% +%% B = isPointInCircle(POINT, CIRCLE, TOL) +%% Specifies the tolerance value +%% +%% Example: +%% isPointInCircle([1 0], [0 0 1]) +%% isPointInCircle([0 0], [0 0 1]) +%% returns true, whereas +%% isPointInCircle([1 1], [0 0 1]) +%% return false +%% +%% @seealso{circles2d, isPointOnCircle} +%% @end deftypefn + +function b = isPointInCircle(point, circle, varargin) + + % extract computation tolerance + tol = 1e-14; + if ~isempty(varargin) + tol = varargin{1}; + end + + d = sqrt(sum(power(point - circle(:,1:2), 2), 2)); + b = d-circle(:,3)<=tol; + +endfunction +