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|Home GeoPack GeoBasics Procedures and Functions GeoEllEccSquared|
|See also: RecipFlattening, EllipsoidMinAxEcc|
The function GeoEllEccSquared calculates the squared eccentricity e2 of an ellipsoid:
e2 = 1 - b2/a2
with a = semimajor axis, and b = semiminor axis.
Version  calculates it from the ellipsoid given by the parameter Ellipsoid, version  calculates the eccentricity from the lengths of the semimajor and semiminor axes (parameters SemiMajorAx and SemiMinorAx), and version  calculates it from the reciprocal flattening.