GEOS
GEOS is a complete C++ implementation of the functions and predicates defined in the OpenGIS "Simple Features for SQL" specification. It includes high quality implementations of all the important spatial relationships and operations, robust versions of all functions in the dimensionally extended 9 intersection predicate model, implementations of the operators, Buffer(), Union(), and Intersection(), and all other SFSQL functions including Area(), Length(), Centroid(), etc.
| Tags | multimedia Graphics Scientific/Engineering Geographical Software Development Libraries |
|---|---|
| Licenses | LGPL |
| Implementation | C++ |
Recent releases
- 11 Mar 2010 23:20
Changes: This release adds a single-sided buffer operation. It has been synched to JTS-1.10: a faster buffer (10x), better edge handling, bugfixes and memory leak fixes, and removal of the MarkupSTL library.
- 19 Mar 2009 00:49
Changes: PreparedGeometry operations for very fast predicate testing: Intersects(), Covers(), CoveredBy(), and ContainsProperly(). Easier builds under MSVC and OpenSolaris. A thread-safe CAPI option. IsValidReason has been added to CAPI. CascadedUnion operation for fast unions of geometry sets. A single-sided buffering operation has been added. Numerous bugfixes.
- 06 Jan 2008 05:03
No changes have been submitted for this release.
- 28 Sep 2006 04:17
Changes: Support for MingW builds was added. A bug in which Polygonizer choked on invalid LineString inputs was fixed. A small leak in the CAPI GEOSHasZ() function was removed.
- 01 Dec 2005 23:52
Changes: Performance was improved in OverlayOp::insertUniqueEdge(), which improves intersection, union, and buffer. Memory management and allocation/deallocation were improved. Higher dimension support was implemented for some operations. WKB input/output was added. A new stable C API was added.
PWRamsey
24 Nov 2003 19:32
Heartbeat
- Popularity Score
- 149.24
- Vitality Score
- 14.44
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