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Awesome GitHub RepositoriesEllipsoid-Based Transformations
Transforms coordinates between geodetic datums using predefined ellipsoid parameters and offset formulas.
Distinct from Coordinate Reference System Transformations: Distinct from general CRS transformations: applies specific ellipsoid parameters and offset formulas for WGS-84, GCJ-02, and BD-09 systems.
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Awesome Ellipsoid-Based Transformations GitHub Repositories
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- hujiulong/gcoord
hujiulong/gcoord
3,251Auf GitHub ansehengcoord is a coordinate conversion library that transforms geographic coordinates between China's three major map coordinate systems: WGS-84, GCJ-02, and BD-09. It handles the offset corrections required by national encryption policies, converting GPS or API-derived coordinates to align with the projections used by Chinese map providers like Baidu, Gaode, and Google China. The library provides direct conversions between all three systems, including WGS-84 to GCJ-02, WGS-84 to BD-09, GCJ-02 to BD-09, and their reverse transformations. It processes individual coordinate pairs, batches of coordin
Provides the core ellipsoid-based coordinate transformation logic between China's three major map systems.
TypeScriptbd-09gcj-02geojson
