Check whether a coordinate falls within China's approximate bounding box.
Uses the same bounds as the GCJ-02 offset check: lng ∈ [73.66, 135.05], lat ∈ [3.86, 53.55].
lng
lat
true if the coordinate is within China's approximate territory.
true
Check whether a coordinate falls within China's approximate bounding box.
Uses the same bounds as the GCJ-02 offset check: lng ∈ [73.66, 135.05], lat ∈ [3.86, 53.55].
Arguments
lng: Longitude in degrees.lat: Latitude in degrees.Returns
trueif the coordinate is within China's approximate territory.