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China also has strict restrictions on GPS data, including requiring purposeful obfuscation of coordinates for their GCJ-02 geodetic datum, for national security
by chc4 6y ago
China also has strict restrictions on GPS data, including requiring purposeful obfuscation of coordinates for their GCJ-02 geodetic datum, for national security purposes. They don't want accurate maps made.
- londons_explore 6y agoGCJ-02 used to be a secret way to warp maps to make them less useful for military uses. Now, the GCJ-02 is so well reverse engineered it's practically useless, and just introduces bugs in mapping software when different coordinate systems are used.
- MrMorden 6y agoGCJ-02 might have made things slightly more difficult for India; would it have ever slowed down the US by even a second? I'd be surprised if the country most damaged by that decision in practice wasn't the PRC.