Generalize mpas_sphere_angle function to work for non-unit-radius spheres #1148
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…eres The methods previously employed in the mpas_sphere_angle function for computing the side lengths of a spherical triangle were only applicable to unit-radius spheres. This commit generalizes the computation of these side lengths so that the mpas_sphere_angle function can be used to compute spherical angles on spheres of arbitrary radius.
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Although the changes in this PR generalize a geometry function, that generalization leads immediately to a fix for Issue #1149. |
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This PR generalizes the
mpas_sphere_anglefunction so that provides correct results for non-unit-radius spheres.The methods previously employed in the
mpas_sphere_anglefunction for computing the side lengths of a spherical triangle were only applicable to unit-radius spheres. This PR generalizes the computation of these side lengths so that thempas_sphere_anglefunction can be used to compute spherical angles on spheres of arbitrary radius.