Calculate the spherical harmonic coefficients of a spherical cap.
Usage
coef = SphericalCapCoef (theta, lmax)
Returns
- coef : float, dimension(lmax+1)
- The zonal spherical harmonic coefficients of a spherical cap centered over the north pole.
Parameters
- theta : float
- The angular radius of the spherical cap in radians.
- lmax : integer
- The maximum spherical harmonic degree to calculate the spherical harmonic coefficients.
Description
SphericalCapCoef will calculate the spherical harmonic coefficients of a spherical cap centered over the north pole. The zonal coefficients, returned in the array coef, are normalized such that the degree-0 term is 1, and are to be used with either the geodesy 4-pi normalized or orthonormalized spherical harmonics.
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