6

[Heoralight]

To implement the conversion between geodetic coordinates (B, L) and Gauss-plane rectangular coordinates (x, y), we need to understand the mathematical formulas involved.
Reference Ellipsoids (CGCS2000, WGS84, Krassovsky, International Ellipsoid 1975)

Gauss-Projected Coordinates (x, y)	Geodetic Coordinates (B, L)
x1, y1	B1, L1
x2, y2	B2, L2
x3, y3	B3, L3
...	...
xn, yn	Bn, Ln