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Geometry engine for Geographic Information Systems - C++ Library

GEOS provides a spatial object model and fundamental geometric functions. It implements the geometry model defined in the OpenGIS Consortium Simple Features Specification for SQL. Functions provided include:

* spatial predicates (based on the DE-9IM model), * overlay functions (intersection, difference, union, symmetric difference), * buffer, * convex hull, * area and distance functions, and * topological validity checking

This package contains the C++ library. A stable C library is provided by the libgeos-c* package and should be preferred by third-parties programs.

Package version:3.3.3-1.1


geos (3.3.1-1) unstable; urgency=low

   GEOS provides a (stable) C API and an unstable C++ one. Most programs use
   the stable interface. See for
   details. Starting from this version we are trying to short the list of
   reverse build-deps that require erroneously linking both C/C++ and binary
   NMUs frequency.

   A program which depends on the C+


geos (3.3.3-1.1) unstable; urgency=low

  * Non-maintainer upload.
  * Build-depend on ruby/ruby-dev1.8 and build-conflict on ruby/ruby-dev1.9 to
    ensure the package continues to be built using ruby1.8 (Closes: #676094)
    - Thanks to Peter Green and Raspbian for the patch

 -- Scott Kitterman <>  Tue, 10 Jul 2012 23:39:07 -0400

geos (3.3.3-1) unstable; urgency=low

  * New


2012-03-22 08:34  Sandro Santilli <>

	* [r3574] NEWS, src/simplify/TaggedLineString.cpp,
	  tests/unit/simplify/TopologyPreservingSimplifierTest.cpp: Fix
	  simplification of collections with empty items (#519)

2012-02-16 18:19  Paul Ramsey <>

	* [r3572] src/algorithm/RobustDeterminant.cpp: Update provenance


This package was debianized by Steve Halasz <> on
Fri, 22 Oct 2004 23:24:25 -0400.


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