atlas::util::function::SphericalHarmonic class
#include <atlas/util/function/SphericalHarmonic.h>

SphericalHarmonic operator that provides a spherical harmonic on a 2D sphere.

Constructors, destructors, conversion operators

SphericalHarmonic(int n, int m, bool caching = false)
Constructor.

Public functions

auto operator()(double lon, double lat) const -> double
Evaluate the spherical harmonic function for given longitude and latitude.

Function documentation

atlas::util::function::SphericalHarmonic::SphericalHarmonic(int n, int m, bool caching = false)

Constructor.

Parameters
n Total wave number
m Zonal wave number
caching When true, internally cache the results of Associated Legendre Polynomials in a map. Warning: this is not thread-safe