pj_associated_object pj_datum_transform_f pj_deg_to_rad pj_geocentric_to_geodetic_f pj_geodetic_to_geocentric_f pj_object_null pj_rad_to_deg pj_transform_f

type(pj_object), parameter pj_object_null =pj_object(C_NULL_PTR) Object representing a null cartographic projection. It should be used for comparison of function results with the == operator for error checking. Definition at line 77 of file proj.F90.