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Coordinate system

LocateTile v1 interprets all inputs under a declared celestial model.

v1 supported model

celestial_model = "wgs84_ellipsoid"

Semantics

  • Latitude: geodetic latitude on the WGS‑84 ellipsoid
  • Longitude: angle from the Greenwich prime meridian
  • Longitude sign: east positive, west negative
  • Units: decimal degrees
  • Latitude range: [-90°, +90°] (inclusive)
  • Longitude range: [-180°, +180°) (half-open)

Altitude is ignored in v1.