datums property

Map<String, Map<String, Object>> datums
final

Implementation

final datums = {
  "OSGB36":{ "ellipsoid": "Airy1830", "transform": [ -446.448, 125.157, -542.060,  20.4894, -0.1502,  -0.2470,  -0.8421   ] },
  "WGS84":{ "ellipsoid": "WGS84", "transform": [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0] },
  "ED50": { "ellipsoid": "Intl1924", "transform": [ 89.5, 93.8, 123.1, -1.2, 0.0, 0.0, 0.156 ] },
  "ETRS89": { "ellipsoid": "GRS80", "transform": [ 0, 0, 0, 0, 0, 0, 0 ] },
  "Irl1975": { "ellipsoid": "AiryModified", "transform": [ -482.530, 130.596, -564.557, -8.150, 1.042, 0.214, 0.631 ] },
  "NAD27": { "ellipsoid": "Clarke1866", "transform": [ 8, -160, -176, 0, 0, 0, 0 ] },
  "NAD83": { "ellipsoid": "GRS80", "transform": [ 0.9956, -1.9103, -0.5215, -0.00062, 0.025915, 0.009426, 0.011599 ] },
  "NTF": { "ellipsoid": "Clarke1880IGN", "transform": [ 168, 60, -320, 0, 0, 0, 0 ] },
  "Potsdam": { "ellipsoid": "Bessel1841", "transform": [ -582, -105, -414, -8.3, 1.04, 0.35, -3.08 ] },
  "TokyoJapan": { "ellipsoid": "Bessel1841", "transform": [ 148, -507, -685, 0, 0, 0, 0 ] },
  "WGS72": { "ellipsoid": "WGS72", "transform": [ 0, 0, -4.5, -0.22, 0, 0, 0.554 ] },
};