Release v3.7.4

Fixed

• H3.from_string(nil) should not crash
• Cmake fixed

Release v3.7.2

Fixed

• kRing of invalid indexes should not crash.

Release v3.7.1

Added

• Area and haversine distance functions:
  • cellAreaRads2
  • cellAreaKm2
  • cellAreaM2
  • pointDistRads
  • pointDistKm
  • pointDistM
  • exactEdgeLengthRads
  • exactEdgeLengthKm
  • exactEdgeLengthM

Changed

• Speeds up getH3UnidirectionalEdgeBoundary by about 3x.

Fixed

• Finding invalid edge boundaries should not crash.

Release v3.6.4

Changed

• Reinstate new polyfill algorithm for up to 3x perf boost.

Release v3.6.2

Changed

• Revert new polyfill algorithm until reported issues are fixed.
• Remove deprecated methods: (#66)

Release v3.6.1

Fixed

Various internal h3 lib improvements

• compact handles zero length input correctly.
• bboxHexRadius scaling factor adjusted to guarantee containment for polyfill.
• polyfill new algorithm for up to 3x perf boost.
• Fix CMake targets for KML generation.

Release v3.6.0

Added

• center_child method to find center child at given resolution (#62).
• pentagons (and pentagon_count) method to find pentagons at given resolution (#62).

Release v3.5.1

Changed

• Renamed 26 methods to be more idiomatic with Ruby conventions. The old names are deprecated until 2020 when they will be removed (#59).
• Added Zeitwerk as the code loader.

Release v3.5.0

Added

• h3_faces and max_face_count support (#56)

Changed

• New CMake options to prevent unnecessary building of filter apps and benchmarks.

Release v3.4.4

Changed

• Internal h3 bugfixes.