#001gcoord_skill1 skills60updated 2026-02-1850% of creatorskilloccupationdescriptionupdatedgcoordsoftware-developersUse when converting coordinates between WGS84, GCJ02, BD09, BD09MC, or WebMercator coordinate systems for Chinese map services (Baidu, Amap, Google China, etc.)2026-02-18
#002turf-skills1 skills20updated 2026-04-1350% of creatorskilloccupationdescriptionupdatedturf-skillssoftware-developersSpatial analysis and GeoJSON processing using Turf.js. Use for distance/area calculations, point-in-polygon checks, buffers, clustering, grid generation, and geometry transformations.2026-04-13