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sphericalcapcoef.3
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sphericalcapcoef.3
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.\" Automatically generated by Pandoc 3.1.3
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.el \{\
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.TH "sphericalcapcoef" "1" "2021-02-15" "Fortran 95" "SHTOOLS 4.11"
.hy
.SH SphericalCapCoef
.PP
Calculate the spherical harmonic coefficients of a spherical cap.
.SH Usage
.PP
call SphericalCapCoef (\f[V]coef\f[R], \f[V]theta\f[R], \f[V]lmax\f[R],
\f[V]exitstatus\f[R])
.SH Parameters
.TP
\f[V]coef\f[R] : output, real(dp), dimension(\f[V]lmaxin\f[R]+1)
The zonal spherical harmonic coefficients of a spherical cap centered
over the north pole.
.TP
\f[V]theta\f[R] : input, real(dp)
The angular radius of the spherical cap in radians.
.TP
\f[V]lmax\f[R] : optional, input, integer(int32), default = \f[V]lmaxin\f[R]
The maximum spherical harmonic degree to calculate the spherical
harmonic coefficients.
.TP
\f[V]exitstatus\f[R] : output, optional, integer(int32)
If present, instead of executing a STOP when an error is encountered,
the variable exitstatus will be returned describing the error.
0 = No errors; 1 = Improper dimensions of input array; 2 = Improper
bounds for input variable; 3 = Error allocating memory; 4 = File IO
error.
.SH Description
.PP
\f[V]SphericalCapCoef\f[R] will calculate the spherical harmonic
coefficients of a spherical cap centered over the north pole.
The zonal coefficients, returned in the array \f[V]coef\f[R], 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.