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SphericalCapCoef
Calculate the spherical harmonic coefficients of a spherical cap.
Usage
call SphericalCapCoef (coef
, theta
, lmax
)
Parameters
coef
: output, real*8, dimension(lmaxin
+1)- The zonal spherical harmonic coefficients of a spherical cap centered over the north pole.
theta
: input, real*8- The angular radius of the spherical cap in radians.
lmax
: optional, input, integer, default =lmaxin
- 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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