s2-tools/dist/proj4/constants/ellipsoid.js

A collection of geospatial tools primarily designed for WGS84, Web Mercator, and S2.

/** MERIT 1983 */
const MERIT = {
    a: 6_378_137.0,
    rf: 298.257,
};
/** Soviet Geodetic System 85 */
const SGS85 = {
    a: 6_378_136.0,
    rf: 298.257,
};
/** GRS 1980(IUGG, 1980) */
const GRS80 = {
    a: 6_378_137.0,
    rf: 298.257222101,
};
/** IAU 1976 */
const IAU76 = {
    a: 6_378_140.0,
    b: 6_356_755.29,
    rf: 298.257,
};
/** Airy 1830 */
const airy = {
    a: 6_377_563.396,
    b: 6_356_256.91,
};
/** Appl. Physics. 1965 */
const APL4 = {
    a: 6_378_137,
    rf: 298.25,
};
/** Naval Weapons Lab., 1965 */
const NWL9D = {
    a: 6_378_145.0,
    rf: 298.25,
};
/** Naval Weapons Lab., 1965 */
const NWL10D = NWL9D;
/** Modified Airy */
const mod_airy = {
    a: 6_377_340.189,
    b: 6_356_034.446,
};
/** Andrae 1876 (Den., Iclnd.) */
const andrae = {
    a: 6_377_104.43,
    rf: 300.0,
};
/** Australian Natl & S. Amer. 1969 */
const aust_SA = {
    a: 6_378_160.0,
    rf: 298.25,
};
/** GRS 67(IUGG 1967) */
const GRS67 = {
    a: 6_378_160.0,
    rf: 298.247167427,
};
/** Bessel 1841 */
const bessel = {
    a: 6_377_397.155,
    rf: 299.1528128,
};
/** Bessel 1841 (Modified) */
const mod_bessel = {
    a: 6_377_390.0,
    rf: 299.1528128,
};
/** Bessel 1841 (Namibia) */
const bess_nam = {
    a: 6_377_483.865,
    rf: 299.1528128,
};
/** Clarke 1858 */
const clrk58 = {
    a: 6_378_293.645208759,
    rf: 294.2606763692654,
};
/** Clarke 1866 */
const clrk66 = {
    a: 6_378_206.4,
    b: 6_356_583.8,
};
/** Clarke 1880 mod. */
const clrk80 = {
    a: 6_378_249.145,
    rf: 293.4663,
};
/** Clarke 1866 (Michigan) */
const clrk80mich = {
    a: 6_378_450.0475489,
    b: 6_356_826.62148844,
};
/** Clarke 1880 (Benoit) */
const clrk80ben = {
    a: 6378300.789,
    b: 6356566.435,
};
/** Clarke 1880 (IGN) */
const clrk80ign = {
    a: 6378249.2,
    b: 6356515,
    rf: 293.4660213,
};
/** Clarke 1880 (RGS) */
const clrk80rgs = {
    a: 6_378_249.145,
    rf: 293.465,
};
/** Clarke 1880 (Arc) */
const clrk80arc = {
    a: 6_378_249.145,
    rf: 293.4663077,
};
/** Clarke 1880 (SGA) */
const clrk80sga = {
    a: 6_378_249.2,
    rf: 293.46598,
};
/** Comm. des Poids et Mesures 1799 */
const CPM = {
    a: 6_375_738.7,
    rf: 334.29,
};
/** Delambre 1810 (Belgium) */
const delmbr = {
    a: 6_376_428.0,
    rf: 311.5,
};
/** Engelis 1985 */
const engelis = {
    a: 6_378_136.05,
    rf: 298.2566,
};
/** Everest 1830 (1937 Adjustment) */
const evrst30 = {
    a: 6_377_276.345,
    rf: 300.8017,
};
/** Everest 1948 */
const evrst48 = {
    a: 6_377_304.063,
    rf: 300.8017,
};
/** Everest 1830 Modified */
const evrst30_mod = evrst48;
/** Everest 1956 */
const evrst56 = {
    a: 6_377_301.243,
    rf: 300.8017,
};
/** Everest (Sabah & Sarawak) */
const evrstSS = {
    a: 6_377_298.556,
    rf: 300.8017,
};
/** Everest 1830 (1967 Definition) */
const evrst67 = evrstSS;
/** Everest 1969 */
const evrst69 = {
    a: 6_377_295.664,
    rf: 300.8017,
};
/** Everest 1830 (1975 Definition) */
const evrst75 = {
    a: 6_377_299.151,
    rf: 300.8017255,
};
/** Fischer (Mercury Datum) 1960 */
const fschr60 = {
    a: 6_378_166.0,
    rf: 298.3,
};
/** Fischer 1960 */
const fschr60m = {
    a: 6_378_155.0,
    rf: 298.3,
};
/** Fischer 1968 */
const fschr68 = {
    a: 6_378_150.0,
    rf: 298.3,
};
/** Helmert 1906 */
const helmert = {
    a: 6_378_200.0,
    rf: 298.3,
};
/** Hough */
const hough = {
    a: 6_378_270.0,
    rf: 297.0,
};
/** Indonesian National Spheroid */
const indonesian = {
    a: 6_378_160,
    rf: 298.247,
};
/** International 1909 (Hayford) */
const intl = {
    a: 6_378_388.0,
    rf: 297.0,
};
/** International 1909 (Hayford) */
const intl09 = intl;
/** International 1924 */
const intl24 = {
    a: 6_378_388,
    rf: 297.0,
};
/** International 1967 */
const intl67 = aust_SA;
/** Kaula 1961 */
const kaula = {
    a: 6_378_163.0,
    rf: 298.24,
};
/** Lerch 1979 */
const lerch = {
    a: 6_378_139.0,
    rf: 298.257,
};
/** Maupertius 1738 */
const mprts = {
    a: 6_397_300.0,
    rf: 191.0,
};
/** New International 1967 */
const new_intl = {
    a: 6_378_157.5,
    b: 6_356_772.2,
};
/** Plessis 1817 (France) */
const plessis = {
    a: 6_376_523.0,
    rf: 308.533,
};
/** Krassovsky, 1942 */
const krass = {
    a: 6_378_245.0,
    rf: 298.3,
};
/** Southeast Asia */
const SEasia = {
    a: 6_378_155.0,
    b: 6_356_773.3205,
};
/** Struve 1860 */
const struve = {
    a: 6_378_298.3,
    rf: 294.73,
};
/** Walbeck */
const walbeck = {
    a: 6_376_896.0,
    b: 6_355_834.8467,
};
/** War Office */
const WARO = {
    a: 6_378_300.0,
    rf: 296.0,
};
/** WGS 60 */
const WGS60 = {
    a: 6_378_165.0,
    rf: 298.3,
};
/** WGS 66 */
const WGS66 = {
    a: 6_378_145.0,
    rf: 298.25,
};
/** WGS 72 */
const WGS7 = {
    a: 6_378_135.0,
    rf: 298.26,
};
/** WGS 84 */
const WGS84 = {
    a: 6_378_137.0,
    rf: 298.257223563,
};
/** GEM 10C */
const GEM10C = WGS84;
/** OSU86F */
const OSU86F = {
    a: 6_378_136.2,
    rf: 298.257223563,
};
/** OSU91A */
const OSU91A = {
    a: 6_378_136.3,
    rf: 298.257223563,
};
/** Normal Sphere (r=6370997) */
const SPHERE = {
    a: 6370997.0,
    b: 6370997.0,
};
export const ellipsoids = {
    MERIT,
    SGS85,
    GRS80,
    IAU76,
    airy,
    APL4,
    NWL9D,
    NWL10D,
    mod_airy,
    andrae,
    aust_SA,
    GRS67,
    bessel,
    mod_bessel,
    bess_nam,
    clrk58,
    clrk66,
    clrk80,
    clrk80mich,
    clrk80ben,
    clrk80ign,
    clrk80rgs,
    clrk80arc,
    clrk80sga,
    CPM,
    delmbr,
    engelis,
    evrst30,
    evrst48,
    evrst30_mod,
    evrst56,
    evrstSS,
    evrst67,
    evrst69,
    evrst75,
    GEM10C,
    fschr60,
    fschr60m,
    fschr68,
    helmert,
    hough,
    indonesian,
    intl,
    intl09,
    intl24,
    intl67,
    kaula,
    lerch,
    mprts,
    new_intl,
    OSU86F,
    OSU91A,
    plessis,
    krass,
    SEasia,
    struve,
    walbeck,
    WARO,
    WGS60,
    WGS66,
    WGS7,
    WGS84,
    SPHERE,
};
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