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ToAuthalicRadius

As of Version 7.0, ToAuthalicRadius has been renamed to "AuthalicRadius" and has become a property of GeodesyData.
ToAuthalicRadius[semimajor, eccentricity]
gives the radius of the authalic sphere based on the spheroid with semimajor axis semimajor and eccentricity eccentricity.
  • The simplest way to convert from a spheroid to a sphere is to use the authalic sphere.
  • The authalic sphere has the same surface area as the reference spheroid.