Version 3.1.0 of GEOS
Release Notes: 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.
Other releases
Release Notes: The C API was expanded, including buffer offset generation, geometry cleansing, snapping, orientation, and cover predicates. Many bugs were fixed in memory handling.
Release Notes: 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.
Release Notes: 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.
No changes have been submitted for this release.
Release Notes: 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.
