Module: JapanPlaneRectangular::Constants
- Included in:
- Functions
- Defined in:
- lib/japan_plane_rectangular/constants.rb
Constant Summary collapse
- ORIGINS =
Positions of zone origins
[ [33.00000, 129.5000], [33.00000, 131.00000], [36.00000, 132.166666666666669], [33.00000, 133.50000], [36.00000, 134.333333333333334], [36.00000, 136.00000], [36.00000, 137.166666666666666], [36.00000, 138.5], [36.00000, 139.833333333333334], [40.00000, 140.833333333333334], [44.00000, 140.25000], [44.00000, 142.25000], [44.00000, 144.25000], [26.00000, 142.00000], [26.00000, 127.50000], [26.00000, 124.00000], [26.00000, 131.00000], [20.00000, 136.00000], [26.00000, 154.000000] ]
- M0 =
0.9999
- GRS80_ER =
Equatorial radius of earth
6378137.0- GRS80_IF =
Inverse flattening
298.257222101- ECCENTRICITY =
Math.sqrt(2.0 * GRS80_IF - 1.0) / GRS80_IF