Horizontal datums (spheroid only)
HCL® OneDB® spatial data types support many spheriod horizontal datums.
The following table lists a representative sample of the
horizontal datums (spheroid only) supported by the HCL
OneDB spatial
data types. For a complete list of supported horizontal datums (spheroid
only), see the file ONEDB_HOME/extend/spatial.version/include/pedef.h.
| Factory ID | Description | OGC well-known text string |
|---|---|---|
| 6001 | Airy 1830 | DATUM["D_Airy_1830",SPHEROID["Airy_1830",6377563.396,299.3249646]] |
| 6002 | Airy modified | DATUM["D_Airy_Modified",SPHEROID["Airy_Modified",6377340.189, 299.3249646]] |
| 6003 | Australian National | DATUM["D_Australian",SPHEROID["Australian",6378160,298.25]] |
| 6004 | Bessel 1841 | DATUM["D_Bessel_1841",SPHEROID["Bessel_1841",6377397.155, 299.1528128]] |
| 6005 | Bessel modified | DATUM["D_Bessel_Modified",SPHEROID["Bessel_Modified", 6377492.018,299.1528128]] |
| 6006 | Bessel Namibia | DATUM["D_Bessel_Namibia",SPHEROID["Bessel_Namibia",6377483.865, 299.1528128]] |
| 6007 | Clarke 1858 | DATUM["D_Clarke_1858",SPHEROID["Clarke_1858",6378293.639, 294.260676369]] |
| 6008 | Clarke 1866 | DATUM["D_Clarke_1866",SPHEROID["Clarke_1866",6378206.4, 294.9786982]] |
| 6009 | Clarke 1866 Michigan | DATUM["D_Clarke_1866_Michigan",SPHEROID["Clarke_1866_Michigan", 6378450.047,294.978684677]] |
| 6034 | Clarke 1880 | DATUM["D_Clarke_1880",SPHEROID["Clarke_1880",6378249.138, 293.466307656]] |
| 6013 | Clarke 1880 (Arc) | DATUM["D_Clarke_1880_Arc",SPHEROID["Clarke_1880_Arc", 6378249.145,293.466307656]] |
| 6010 | Clarke 1880 (Benoit) | DATUM["D_Clarke_1880_Benoit",SPHEROID["Clarke_1880_Benoit", 6378300.79,293.466234571]] |
| 6011 | Clarke 1880 (IGN) | DATUM["D_Clarke_1880_IGN",SPHEROID["Clarke_1880_IGN", 6378249.2,293.46602]] |
| 6012 | Clarke 1880 (RGS) | DATUM["D_Clarke_1880_RGS",SPHEROID["Clarke_1880_RGS", 6378249.145,293.465]] |
| 6014 | Clarke 1880 (SGA) | DATUM["D_Clarke_1880_SGA",SPHEROID["Clarke_1880_SGA", 6378249.2,293.46598]] |
| 6042 | Everest 1830 | DATUM["D_Everest_1830",SPHEROID["Everest_1830",6377299.36, 300.8017]] |
| 6015 | Everest (adjustment 1937) | DATUM["D_Everest_Adj_1937",SPHEROID["Everest_Adjustment_1937", 6377276.345,300.8017]] |
| 6044 | Everest (definition 1962) | DATUM["D_Everest_Def_1962",SPHEROID["Everest_Definition_1962", 6377301.243,300.8017255]] |
| 6016 | Everest (definition 1967) | DATUM["D_Everest_Def_1967",SPHEROID["Everest_Definition_1967", 6377298.556,300.8017]] |
| 6045 | Everest (definition 1975) | DATUM["D_Everest_Def_1975",SPHEROID["Everest_Definition_1975", 6377299.151,300.8017255]] |
| 6018 | Everest modified | DATUM["D_Everest_Modified",SPHEROID["Everest_1830_Modified", 6377304.063,300.8017]] |
| 6031 | GEM gravity potential model | DATUM["D_GEM_10C",SPHEROID["GEM_10C",6378137,298.257222101]] |
| 6036 | GRS 1967 | DATUM["D_GRS_1967",SPHEROID["GRS_1967",6378160,298.247167427]] |
| 6019 | GRS 1980 | DATUM["D_GRS_1980",SPHEROID["GRS_1980",6378137,298.257222101]] |
| 6020 | Helmert 1906 | DATUM["D_Helmert_1906",SPHEROID["Helmert_1906",6378200,298.3]] |
| 6021 | Indonesian National | DATUM["D_Indonesian",SPHEROID["Indonesian",6378160,298.247]] |
| 6022 | International 1927 | DATUM["D_International_1924",SPHEROID["International_1924",6378388,297]] |
| 6023 | International 1967 | DATUM["D_International_1967",SPHEROID["International_1967",6378160,298.25]] |
| 6024 | Krasovsky 1940 | DATUM["D_Krasovsky_1940",SPHEROID["Krasovsky_1940",6378245, 298.3]] |
| 6025 | Transit precise ephemeris | DATUM["D_NWL_9D",SPHEROID["NWL_9D",6378145,298.25]] |
| 6032 | OSU 1986 geoidal model | DATUM["D_OSU_86F",SPHEROID["OSU_86F",6378136.2,298.25722]] |
| 6033 | OSU 1991 geoidal model | DATUM["D_OSU_91A",SPHEROID["OSU_91A",6378136.3,298.25722]] |
| 6027 | Plessis 1817 | DATUM["D_Plessis_1817",SPHEROID["Plessis_1817",6376523,308.64]] |
| 6035 | Authalic sphere | DATUM["D_Sphere",SPHEROID["Sphere",6371000,0]] |
| 6028 | Struve 1860 | DATUM["D_Struve_1860",SPHEROID["Struve_1860",6378298.3,294.73]] |
| 6029 | War Office | DATUM["D_War_Office",SPHEROID["War_Office",6378300.583,296]] |
| 106001 | WGS 1966 | DATUM["D_WGS_1966",SPHEROID["WGS_1966",6378145,298.25]] |
| 106002 | Fischer 1960 | DATUM["D_Fischer_1960",SPHEROID["Fischer_1960",6378166,298.3]] |
| 106003 | Fischer 1968 | DATUM["D_Fischer_1968",SPHEROID["Fischer_1968",6378150,298.3]] |
| 106004 | Fischer modified | DATUM["D_Fischer_Modified",SPHEROID["Fischer_Modified",6378155, 298.3]] |
| 106005 | Hough 1960 | DATUM["D_Hough_1960",SPHEROID["Hough_1960",6378270,297]] |
| 106006 | Everest modified 1969 | DATUM["D_Everest_Modified_1969", SPHEROID["Everest_Modified_1969",6377295.664,300.8017]] |
| 106007 | Walbeck | DATUM["D_Walbeck",SPHEROID["Walbeck",6376896,302.78]] |
| 106008 | Authalic sphere (ARC/INFO) | DATUM["D_Sphere_ARC_INFO",SPHEROID["Sphere_ARC_INFO", 6370997,0]] |