gtsam: Class Members

- _ -

__slots__ : pybind11.setup_helpers.ParallelCompile
_a : GeographicLib::AlbersEqualArea , GeographicLib::CircularEngine , GeographicLib::Ellipsoid , GeographicLib::Geocentric , GeographicLib::Geodesic , GeographicLib::GeodesicExact , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact , GeographicLib::Geoid , GeographicLib::Gnomonic , GeographicLib::GravityCircle , GeographicLib::JacobiConformal , GeographicLib::LambertConformalConic , GeographicLib::MagneticCircle , GeographicLib::MagneticModel , GeographicLib::NormalGravity , GeographicLib::PolarStereographic , GeographicLib::SphericalHarmonic1 , GeographicLib::SphericalHarmonic2 , GeographicLib::SphericalHarmonic , GeographicLib::TransverseMercator , GeographicLib::TransverseMercatorExact , net.sf.geographiclib.Geodesic , net.sf.geographiclib.GeodesicLine , net.sf.geographiclib.Gnomonic
_a1 : GeographicLib::TransverseMercator
_a13 : GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact , net.sf.geographiclib.GeodesicLine
_A1m1 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine
_A1m1f : geographiclib.geodesic.Geodesic
_A2m1 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine
_A2m1f : geographiclib.geodesic.Geodesic
_A3c : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine
_A3x : geographiclib.geodesic.Geodesic , GeographicLib::Geodesic , net.sf.geographiclib.Geodesic
_A4 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_ab2 : GeographicLib::JacobiConformal
_ac2 : GeographicLib::JacobiConformal
_alp : GeographicLib::TransverseMercator
_alpha : Action_axpby< Interface >
_alpha2 : GeographicLib::EllipticFunction
_alphap2 : GeographicLib::EllipticFunction
_alt_easting : GeographicLib::GeoCoords
_alt_gamma : GeographicLib::GeoCoords
_alt_k : GeographicLib::GeoCoords
_alt_northing : GeographicLib::GeoCoords
_alt_zone : GeographicLib::GeoCoords
_amodel : GeographicLib::GravityCircle , GeographicLib::GravityModel
_aomega2 : GeographicLib::NormalGravity
_area0 : GeographicLib::PolygonAreaT< GeodType > , net.sf.geographiclib.PolygonArea
_areasum : geographiclib.polygonarea.PolygonArea , GeographicLib::PolygonAreaT< GeodType > , net.sf.geographiclib.PolygonArea
_Astroid : geographiclib.geodesic.Geodesic
_au : GeographicLib::Ellipsoid
_azi1 : GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_azi12 : GeographicLib::RhumbLine
_b : geographiclib.geodesic.Geodesic , geographiclib.geodesicline.GeodesicLine , GeographicLib::Ellipsoid , GeographicLib::Geodesic , GeographicLib::GeodesicExact , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact , GeographicLib::JacobiConformal , GeographicLib::NormalGravity
_b1 : GeographicLib::TransverseMercator
_B11 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine
_B21 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine
_B31 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine
_B41 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_bc2 : GeographicLib::JacobiConformal
_bet : GeographicLib::TransverseMercator
_beta : Action_axpby< Interface >
_bucket : GeographicLib::NearestNeighbor< dist_t, pos_t, distfun_t >
_c : GeographicLib::JacobiConformal , GeographicLib::PolarStereographic , GeographicLib::SphericalHarmonic1 , GeographicLib::SphericalHarmonic2 , GeographicLib::SphericalHarmonic , GeographicLib::TransverseMercator
_c1 : GeographicLib::NearestNeighbor< dist_t, pos_t, distfun_t >
_C1a : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , net.sf.geographiclib.GeodesicLine
_C1f : geographiclib.geodesic.Geodesic
_C1pa : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine
_C1pf : geographiclib.geodesic.Geodesic
_c2 : geographiclib.geodesic.Geodesic , geographiclib.geodesicline.GeodesicLine , GeographicLib::Geodesic , GeographicLib::GeodesicExact , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact , GeographicLib::Rhumb
_C2a : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine
_C2f : geographiclib.geodesic.Geodesic
_C3a : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine
_C3x : geographiclib.geodesic.Geodesic , GeographicLib::Geodesic
_C4a : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_C4x : geographiclib.geodesic.Geodesic , GeographicLib::Geodesic , GeographicLib::GeodesicExact
_cache : GeographicLib::Geoid
_calp : GeographicLib::RhumbLine
_calp0 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_calp1 : GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_caps : GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact , GeographicLib::GravityCircle , net.sf.geographiclib.GeodesicLine
_cbet0 : GeographicLib::CassiniSoldner
_CC : GeographicLib::GravityModel
_cchi1 : GeographicLib::GeodesicLineExact
_chronos : Portable_Perf_Analyzer< Action > , STL_Perf_Analyzer< ACTION > , X86_Perf_Analyzer< ACTION >
_circ0 : GeographicLib::MagneticCircle
_circ1 : GeographicLib::MagneticCircle
_circ2 : GeographicLib::MagneticCircle
_click_start : X86_Timer
_click_stop : X86_Timer
_cmax : GeographicLib::NearestNeighbor< dist_t, pos_t, distfun_t >
_cmin : GeographicLib::NearestNeighbor< dist_t, pos_t, distfun_t >
_Cnm : GeographicLib::SphericalEngine::coeff
_coef : Action_axpy< Interface >
_comg1 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_constterm : GeographicLib::MagneticCircle
_correction : GeographicLib::GravityCircle , GeographicLib::GravityModel
_corrmult : GeographicLib::GravityCircle , GeographicLib::GravityModel
_cost : Action_cholesky< Interface > , Action_hessenberg< Interface > , Action_lu_decomp< Interface > , Action_partial_lu< Interface > , Action_tridiagonalization< Interface > , Action_trisolve< Interface > , Action_trisolve_matrix< Interface > , Action_trmm< Interface > , GeographicLib::NearestNeighbor< dist_t, pos_t, distfun_t >
_counted_clicks : X86_Timer
_cphi : GeographicLib::GravityCircle , GeographicLib::MagneticCircle
_cpsi : GeographicLib::GravityCircle
_crossings : geographiclib.polygonarea.PolygonArea , GeographicLib::PolygonAreaT< GeodType > , net.sf.geographiclib.PolygonArea
_CS : GeographicLib::GravityModel
_csig1 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_ctau1 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_cubic : GeographicLib::Geoid
_Cx : GeographicLib::GravityModel
_D0 : GeographicLib::GeodesicLineExact
_D1 : GeographicLib::GeodesicLineExact
_data : GeographicLib::Geoid
_datastart : GeographicLib::Geoid
_date : GeographicLib::GravityModel , GeographicLib::MagneticModel
_datetime : GeographicLib::Geoid
_Dc : GeographicLib::EllipticFunction
_degree : GeographicLib::Geoid
_description : GeographicLib::Geoid , GeographicLib::GravityModel , GeographicLib::MagneticModel
_dir : GeographicLib::Geoid , GeographicLib::GravityModel , GeographicLib::MagneticModel
_disturbing : GeographicLib::GravityCircle , GeographicLib::GravityModel
_dn1 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_drhomax : GeographicLib::LambertConformalConic
_dt0 : GeographicLib::MagneticCircle , GeographicLib::MagneticModel
_dzonal0 : GeographicLib::GravityCircle , GeographicLib::GravityModel
_e : GeographicLib::AlbersEqualArea
_E : GeographicLib::GeodesicLineExact , GeographicLib::NormalGravity
_e : GeographicLib::TransverseMercatorExact
_E0 : GeographicLib::GeodesicLineExact
_E1 : GeographicLib::GeodesicLineExact
_e12 : GeographicLib::Ellipsoid
_e2 : geographiclib.geodesic.Geodesic , GeographicLib::AlbersEqualArea , GeographicLib::Ellipsoid , GeographicLib::Geocentric , GeographicLib::Geodesic , GeographicLib::GeodesicExact , GeographicLib::GeodesicLineExact , GeographicLib::Geoid , GeographicLib::LambertConformalConic , GeographicLib::NormalGravity , GeographicLib::PolarStereographic , GeographicLib::TransverseMercator
_e2a : GeographicLib::Geocentric
_e2m : GeographicLib::AlbersEqualArea , GeographicLib::Geocentric , GeographicLib::PolarStereographic , GeographicLib::TransverseMercator
_e4a : GeographicLib::Geocentric
_earth : GeographicLib::AzimuthalEquidistant , GeographicLib::CassiniSoldner , GeographicLib::Gnomonic , GeographicLib::GravityModel , GeographicLib::LocalCartesian , GeographicLib::MagneticModel , GeographicLib::NormalGravity , GeographicLib::PolygonAreaT< GeodType > , net.sf.geographiclib.Gnomonic , net.sf.geographiclib.PolygonArea
_easting : GeographicLib::GeoCoords
_Ec : GeographicLib::EllipticFunction
_ell : GeographicLib::Ellipsoid , GeographicLib::Rhumb
_ep2 : geographiclib.geodesic.Geodesic , GeographicLib::Geodesic , GeographicLib::GeodesicExact , GeographicLib::NormalGravity
_eps : GeographicLib::EllipticFunction , GeographicLib::Geoid
_es : GeographicLib::Ellipsoid , GeographicLib::LambertConformalConic , GeographicLib::PolarStereographic , GeographicLib::TransverseMercator
_etol2 : geographiclib.geodesic.Geodesic , GeographicLib::Geodesic , GeographicLib::GeodesicExact
_Eu : GeographicLib::TransverseMercatorExact
_Ev : GeographicLib::TransverseMercatorExact
_ex : GeographicLib::JacobiConformal
_exact : GeographicLib::Rhumb , GeographicLib::RhumbLine
_extendp : GeographicLib::TransverseMercatorExact
_ey : GeographicLib::JacobiConformal
_f : GeographicLib::AlbersEqualArea , GeographicLib::Ellipsoid , GeographicLib::Geocentric , GeographicLib::Geodesic , GeographicLib::GeodesicExact , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact , GeographicLib::Gnomonic , GeographicLib::GravityCircle , GeographicLib::LambertConformalConic , GeographicLib::MagneticCircle , GeographicLib::NormalGravity , GeographicLib::PolarStereographic , GeographicLib::TransverseMercator , GeographicLib::TransverseMercatorExact
_f1 : geographiclib.geodesic.Geodesic , geographiclib.geodesicline.GeodesicLine , GeographicLib::Ellipsoid , GeographicLib::Geodesic , GeographicLib::GeodesicExact , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_f12 : GeographicLib::Ellipsoid
_falseeasting : UTMalt
_falsenorthing : UTMalt
_file : GeographicLib::Geoid
_filename : GeographicLib::Geoid , GeographicLib::GravityModel , GeographicLib::MagneticModel
_fm : GeographicLib::AlbersEqualArea , GeographicLib::LambertConformalConic
_frequency : X86_Timer
_frot : GeographicLib::GravityCircle
_fstar : GeographicLib::NormalGravity
_G : GeographicLib::MagneticModel
_gamma : GeographicLib::GeoCoords , GeographicLib::GravityCircle
_gamma0 : GeographicLib::GravityCircle
_gammae : GeographicLib::NormalGravity
_gammap : GeographicLib::NormalGravity
_Gc : GeographicLib::EllipticFunction
_geod : DistanceCalculator
_GM : GeographicLib::NormalGravity
_GMmodel : GeographicLib::GravityCircle , GeographicLib::GravityModel
_gradp : GeographicLib::CircularEngine
_gravitational : GeographicLib::GravityCircle , GeographicLib::GravityModel
_h : GeographicLib::GravityCircle , GeographicLib::MagneticCircle
_H : GeographicLib::MagneticModel
_H0 : GeographicLib::GeodesicLineExact
_h0 : GeographicLib::LocalCartesian
_H1 : GeographicLib::GeodesicLineExact
_harm : GeographicLib::MagneticModel
_Hc : GeographicLib::EllipticFunction
_height : GeographicLib::Geoid
_history_mean_clicks : X86_Timer
_history_most_occured_clicks : X86_Timer
_history_shortest_clicks : X86_Timer
_hmax : GeographicLib::MagneticModel
_hmin : GeographicLib::MagneticModel
_id : GeographicLib::GravityModel , GeographicLib::MagneticModel
_instances : ConstructorStats
_interpolate : GeographicLib::MagneticCircle
_invR : GeographicLib::GravityCircle
_ipython_special_methods : gtwrap.pybind_wrapper.PybindWrapper
_ix : GeographicLib::Geoid
_iy : GeographicLib::Geoid
_J2 : GeographicLib::NormalGravity
_k : GeographicLib::GeoCoords , GeographicLib::NearestNeighbor< dist_t, pos_t, distfun_t > , GeographicLib::NormalGravity
_k0 : GeographicLib::AlbersEqualArea , GeographicLib::LambertConformalConic , GeographicLib::PolarStereographic , GeographicLib::TransverseMercator , GeographicLib::TransverseMercatorExact
_k2 : geographiclib.geodesicline.GeodesicLine , GeographicLib::AlbersEqualArea , GeographicLib::EllipticFunction , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_Kc : GeographicLib::EllipticFunction
_kp2 : GeographicLib::EllipticFunction
_lat : GeographicLib::GeoCoords , GeographicLib::GravityCircle , GeographicLib::MagneticCircle , pos
_lat0 : geographiclib.polygonarea.PolygonArea , GeographicLib::AlbersEqualArea , GeographicLib::LambertConformalConic , GeographicLib::LocalCartesian , GeographicLib::PolygonAreaT< GeodType > , net.sf.geographiclib.PolygonArea
_lat1 : GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact , GeographicLib::PolygonAreaT< GeodType > , GeographicLib::RhumbLine , net.sf.geographiclib.GeodesicLine
_lon : pos
_lon0 : geographiclib.polygonarea.PolygonArea , GeographicLib::LocalCartesian , GeographicLib::PolygonAreaT< GeodType > , UTMalt
_lon1 : GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact , GeographicLib::PolygonAreaT< GeodType > , GeographicLib::RhumbLine
_long : GeographicLib::GeoCoords
_M : GeographicLib::CircularEngine
_m02 : GeographicLib::AlbersEqualArea
_mask : geographiclib.polygonarea.PolygonArea , GeographicLib::PolygonAreaT< GeodType > , net.sf.geographiclib.PolygonArea
_maxerror : GeographicLib::Geoid
_maxrad : GeographicLib::Geocentric
_mc : GeographicLib::NearestNeighbor< dist_t, pos_t, distfun_t >
_meridian : GeographicLib::CassiniSoldner
_mmx : GeographicLib::SphericalEngine::coeff
_mu : GeographicLib::TransverseMercatorExact
_mu1 : GeographicLib::RhumbLine
_mv : GeographicLib::TransverseMercatorExact
_n : geographiclib.geodesic.Geodesic , GeographicLib::Ellipsoid , GeographicLib::Geodesic , GeographicLib::GeodesicExact , GeographicLib::LambertConformalConic , GeographicLib::TransverseMercator , net.sf.geographiclib.Geodesic
_n0 : GeographicLib::AlbersEqualArea
_name : GeographicLib::Geoid , GeographicLib::GravityModel , GeographicLib::MagneticModel
_nb_calc : Portable_Perf_Analyzer< Action >
_nb_init : Portable_Perf_Analyzer< Action >
_nb_sample : STL_Perf_Analyzer< ACTION > , X86_Perf_Analyzer< ACTION > , X86_Timer
_nc : GeographicLib::LambertConformalConic
_Nconstants : GeographicLib::MagneticModel
_Nmodels : GeographicLib::MagneticModel
_nmx : GeographicLib::SphericalEngine::coeff
_norm : GeographicLib::CircularEngine , GeographicLib::GravityModel , GeographicLib::MagneticModel , GeographicLib::SphericalHarmonic1 , GeographicLib::SphericalHarmonic2 , GeographicLib::SphericalHarmonic
_northing : GeographicLib::GeoCoords
_northp : GeographicLib::GeoCoords
_nrho0 : GeographicLib::AlbersEqualArea , GeographicLib::LambertConformalConic
_num : GeographicLib::PolygonAreaT< GeodType > , net.sf.geographiclib.PolygonArea
_numpoints : GeographicLib::NearestNeighbor< dist_t, pos_t, distfun_t >
_Nx : GeographicLib::SphericalEngine::coeff
_offset : GeographicLib::Geoid
_omega : GeographicLib::NormalGravity
_omega2 : GeographicLib::NormalGravity
_pair : gtwrap.interface_parser.function.ReturnType
_parent : gtwrap.interface_parser.classes.Class
_perimetersum : geographiclib.polygonarea.PolygonArea , GeographicLib::PolygonAreaT< GeodType >
_Pic : GeographicLib::EllipticFunction
_PIM_ : gtsam::AHRSFactor , gtsam::CombinedImuFactor , gtsam::ImuFactor2 , gtsam::ImuFactor
_polyline : GeographicLib::PolygonAreaT< GeodType > , net.sf.geographiclib.PolygonArea
_ppa : Mixed_Perf_Analyzer< Action >
_psi0 : GeographicLib::LambertConformalConic
_psi1 : GeographicLib::RhumbLine
_Px : GeographicLib::GravityCircle
_q : GeographicLib::CircularEngine
_Q0 : GeographicLib::NormalGravity
_qx : GeographicLib::AlbersEqualArea
_qZ : GeographicLib::AlbersEqualArea
_r : GeographicLib::CircularEngine , GeographicLib::LocalCartesian
_R : GeographicLib::Rhumb
_r1 : GeographicLib::RhumbLine
_rh : GeographicLib::RhumbLine
_rlatres : GeographicLib::Geoid
_rlonres : GeographicLib::Geoid
_rmserror : GeographicLib::Geoid
_s : geographiclib.accumulator.Accumulator , GeographicLib::Accumulator< T > , net.sf.geographiclib.Accumulator
_s13 : GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_salp : GeographicLib::RhumbLine
_salp0 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_salp1 : GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_sbet0 : GeographicLib::CassiniSoldner
_sc : GeographicLib::NearestNeighbor< dist_t, pos_t, distfun_t >
_scale : GeographicLib::Geoid , GeographicLib::LambertConformalConic
_scbet0 : GeographicLib::LambertConformalConic
_scchi0 : GeographicLib::LambertConformalConic
_scxi0 : GeographicLib::AlbersEqualArea
_serializing_classes : gtwrap.pybind_wrapper.PybindWrapper
_sign : GeographicLib::AlbersEqualArea , GeographicLib::LambertConformalConic
_SinCosSeries : geographiclib.geodesic.Geodesic
_size : Action_aat_product< Interface > , Action_ata_product< Interface > , Action_atv_product< Interface > , Action_axpby< Interface > , Action_axpy< Interface > , Action_cholesky< Interface > , Action_ger< Interface > , Action_hessenberg< Interface > , Action_lu_decomp< Interface > , Action_matrix_matrix_product< Interface > , Action_matrix_vector_product< Interface > , Action_partial_lu< Interface > , Action_rot< Interface > , Action_symv< Interface > , Action_syr2< Interface > , Action_tridiagonalization< Interface > , Action_trisolve< Interface > , Action_trisolve_matrix< Interface > , Action_trmm< Interface >
_Snm : GeographicLib::SphericalEngine::coeff
_somg1 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_sphi : GeographicLib::GravityCircle , GeographicLib::MagneticCircle
_spsi : GeographicLib::GravityCircle
_ssig1 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_stau1 : geographiclib.geodesicline.GeodesicLine , GeographicLib::GeodesicLine , GeographicLib::GeodesicLineExact
_swidth : GeographicLib::Geoid
_Sx : GeographicLib::GravityModel
_sxi0 : GeographicLib::AlbersEqualArea
_t : geographiclib.accumulator.Accumulator , GeographicLib::Accumulator< T > , GeographicLib::CircularEngine , GeographicLib::Geoid , GeographicLib::MagneticCircle
_t0 : GeographicLib::MagneticModel
_t0nm1 : GeographicLib::LambertConformalConic
_t1 : GeographicLib::MagneticCircle
_tchi0 : GeographicLib::LambertConformalConic
_threadsafe : GeographicLib::Geoid
_tm : GeographicLib::Ellipsoid , UTMalt
_tmax : GeographicLib::MagneticModel
_tmin : GeographicLib::MagneticModel
_transit : geographiclib.polygonarea.PolygonArea
_transitdirect : geographiclib.polygonarea.PolygonArea
_tree : GeographicLib::NearestNeighbor< dist_t, pos_t, distfun_t >
_txi0 : GeographicLib::AlbersEqualArea
_u : GeographicLib::CircularEngine
_U0 : GeographicLib::NormalGravity
_uq : GeographicLib::CircularEngine
_uq2 : GeographicLib::CircularEngine
_use_ppa : Mixed_Perf_Analyzer< Action >
_v00 : GeographicLib::Geoid
_v01 : GeographicLib::Geoid
_v10 : GeographicLib::Geoid
_v11 : GeographicLib::Geoid
_values : ConstructorStats
_wc : GeographicLib::CircularEngine
_width : GeographicLib::Geoid
_wrc : GeographicLib::CircularEngine
_wrs : GeographicLib::CircularEngine
_ws : GeographicLib::CircularEngine
_wtc : GeographicLib::CircularEngine
_wts : GeographicLib::CircularEngine
_x : MGH09_functor , thurber_functor
_x0 : GeographicLib::LocalCartesian
_x86pa : Mixed_Perf_Analyzer< Action >
_xoffset : GeographicLib::Geoid
_xsize : GeographicLib::Geoid
_y : thurber_functor
_y0 : GeographicLib::LocalCartesian
_yoffset : GeographicLib::Geoid
_ysize : GeographicLib::Geoid
_Z : GeographicLib::GravityCircle
_z0 : GeographicLib::LocalCartesian
_zeta0 : GeographicLib::GravityModel
_zonal : GeographicLib::GravityModel
_zone : GeographicLib::GeoCoords