Re: [Boost-bugs] [Boost C++ Libraries] #9988: boost::geometry::intersection returns opposite of intersection

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #9988: boost::geometry::intersection returns opposite of intersection
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2014-05-06 12:43:04

#9988: boost::geometry::intersection returns opposite of intersection
-------------------------------+---------------------------
  Reporter:  ajoseph4@…        |      Owner:  barendgehrels
      Type:  Bugs              |     Status:  closed
 Milestone:  To Be Determined  |  Component:  geometry
   Version:  Boost 1.55.0      |   Severity:  Problem
Resolution:  invalid           |   Keywords:  intersection
-------------------------------+---------------------------
Changes (by barendgehrels):

 * status:  new => closed
 * resolution:   => invalid

Comment:

 Hi, thanks for your report.

 One of your geometries is counter clockwise. Please use
 boost::geometry::correct in that case. If done, the intersection is OK.
 Producing the difference with a counter clockwise polygon is intentional -
 it considers all of the outside as the polygon, and makes an intersection
 with that all-of-the-outside with the polygon. This is the difference.

 I resolve it as "invalid"

 Regards, Barend

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/9988#comment:2>
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