X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fgeometry-1.5.0%2Fpolygons2d%2FdistancePointPolygon.m;fp=octave_packages%2Fgeometry-1.5.0%2Fpolygons2d%2FdistancePointPolygon.m;h=6290b91810ba17de4b76b5dfe5e252283782b6db;hp=0000000000000000000000000000000000000000;hb=f5f7a74bd8a4900f0b797da6783be80e11a68d86;hpb=1705066eceaaea976f010f669ce8e972f3734b05 diff --git a/octave_packages/geometry-1.5.0/polygons2d/distancePointPolygon.m b/octave_packages/geometry-1.5.0/polygons2d/distancePointPolygon.m new file mode 100644 index 0000000..6290b91 --- /dev/null +++ b/octave_packages/geometry-1.5.0/polygons2d/distancePointPolygon.m @@ -0,0 +1,51 @@ +%% Copyright (C) 2003-2011 David Legland +%% Copyright (C) 2012 Adapted to Octave by Juan Pablo Carbajal +%% 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. + +## -*- texinfo -*- +## @deftypefn {Function File} {@var{dist} = } distancePointPolygon (@var{point},@var{poly}) +## Compute shortest distance between a point and a polygon +## +## @seealso{polygons2d, points2d, distancePointPolyline, distancePointEdge, projPointOnPolyline} +## @end deftypefn + +function varargout = distancePointPolygon(point, poly) + + % eventually copy first point at the end to ensure closed polygon + if sum(poly(end, :)==poly(1,:))~=2 + poly = [poly; poly(1,:)]; + end + + % call to distancePointPolyline + minDist = distancePointPolyline(point, poly); + + % process output arguments + if nargout<=1 + varargout{1} = minDist; + end + +endfunction