[Boost-bugs] [Boost C++ Libraries] #11783: distance between polygon

Subject: [Boost-bugs] [Boost C++ Libraries] #11783: distance between polygon
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2015-11-03 08:49:26

#11783: distance between polygon
--------------------------------+---------------------------
 Reporter:  brahim.boudamouz@…  |      Owner:  barendgehrels
     Type:  Bugs                |     Status:  new
Milestone:  To Be Determined    |  Component:  geometry
  Version:  Boost 1.59.0        |   Severity:  Problem
 Keywords:  distance polygon    |
--------------------------------+---------------------------
 Distance between polygon return 0 whereas it is not.

 For example, the following two polygons poly and poly2:

 typedef boost::geometry::model::d2::point_xy<double> point_type;
 typedef boost::geometry::model::polygon<point_type> polygon_type;

 polygon_type poly, poly2;

 boost::geometry::read_wkt("POLYGON((0.483707939991215 4.773920582819078,
 0.5053006295162502 4.848900310429359, 0.5026276157353238
 4.926851374195881, 0.47595271806952655 5.000142970012212,
 0.42788885209344396 5.061604949484321, 0.36314153156370255
 5.1052282121312595, 0.28804795065446004 5.12675006676153,
 0.20995692111385858 5.124068426945231, 0.13651026810181627
 5.097445647190528, 0.07489571249838214 5.049482920409928,
 0.031143980177505432 4.984867693057649, 0.009538656296549554
 4.909917885067861, 0.012196499626267798 4.831966193462844,
 0.03885948446609647 4.758643661998902, 0.0869192454259704
 4.697132255323741, 0.151671837534352 4.653459953523097,
 0.22677805366317155 4.63190817924884, 0.30488425540802405
 4.634590447230228, 0.37834282146581616 4.661244162857866,
 0.43996148046825034 4.709256316654202))", poly);

 boost::geometry::read_wkt("POLYGON((-1.0557992498764188
 4.746036929415318,-1.0993658333477525 4.810856267060861,
 -1.1608453480495324 4.859088577533509, -1.234220477005859
 4.886019279588865, -1.312310562575837 4.889015578303403,
 -1.3874737831476758 4.867782698965993, -1.452354304963582
 4.8243932756221835, -1.5006016515805882 4.763086838460696,
 -1.5274921589195156 4.689857989799479, -1.530391741605481
 4.61187218939475, -1.5090144880022829 4.5367652713717845,
 -1.465451447333285 4.471894995746168, -1.4039664811460055
 4.423618461729835, -1.3305789878636327 4.3966671418069225,
 -1.2524743477794593 4.393681706260662, -1.177299942608499
 4.414952781113644, -1.1124158788230383 4.458393143311671,
 -1.0641739853613563 4.519743805317727,-1.0372958425476984
 4.5929932717763435, -1.0344108128292469 4.670968207668558))",poly2);

 std::cout << "distance: " << boost::geometry::distance(poly, poly2) <<
 std::endl;

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/11783>
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