geo

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Index

• Constants

Constants

const (
	GEO_STEP_MAX        = 26           // Maximum geohash step (52 bits / 2)
	GEO_LAT_MIN         = -85.05112878 // Minimum latitude (Web Mercator limit)
	GEO_LAT_MAX         = 85.05112878  // Maximum latitude (Web Mercator limit)
	GEO_LON_MIN         = -180.0       // Minimum longitude
	GEO_LON_MAX         = 180.0        // Maximum longitude
	EARTH_RADIUS_METERS = 6372797.560856
	MERCATOR_MAX        = 20037726.37 // Maximum mercator projection value
	DEG_TO_RAD          = math.Pi / 180.0
	RAD_TO_DEG          = 180.0 / math.Pi
)

Constants for geohash encoding (Redis uses 52-bit precision)