Built in prime meridians ======================== .. tip:: Unless you are trying to work with a coordinate reference system that doesn't exist in the built-in set, you don't need to worry about these, the correct one will be instantiated for you. .. tip:: You can access the list of supported prime meridians at runtime using ``PrimeMeridian::getSupportedSRIDs()`` or ``PrimeMeridian::getSupportedSRIDsWithHelp()`` .. include:: reflection/datum/primemeridian.txt