Selv.e

Provided the correct GM and Omega, it will use SGRAV.TXT file to create the surface elevation (same as geoid).

Files (Required)

SGRAV.TXT

Input - stdin

This is sometimes contained in ["MGRAV.IN"]
What it asks for

   GM (km^3/s^2), Omega (deg/day)
     1.728e10
     1617.250674

Output

some large negative number
SHAPEFILES/["GEOID.TXT"] - gives the geoid in X, Y, Z position. A 3 column file.
SHAPEFILES/["SHAPEC.TXT"] - gives the height above the surface. A 4 column file.

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