A Turf toolbar for OpenLayers.
https://github.com/dpmcmlxxvi/olturf/compare/v0.8.0...v0.8.1
https://github.com/dpmcmlxxvi/olturf/compare/v0.7.1...v0.8.0
https://github.com/dpmcmlxxvi/olturf/compare/v0.6.0...v0.7.1