SphericalGrid:

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   Generate a grid on a sphere that is evenly spaced in right ascension
   and elevation.

   Type SphericalGrid for demo.
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   Form:
   [rA, dec, kDec] = SphericalGrid( n )
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   ------
   Inputs
   ------
   n          (1,1)   Number of right ascensions

   -------
   Outputs
   -------
   rA         (1,m)   Right ascension (deg)
   dec        (1,m)   Declination  (deg)
   kDec       (1,n)   The first element in rA and dec for each
                      new declination.

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Children:

Math: MathUtils/Odd