Geodesics on an arbitrary ellipsoid of revolution
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arXiv
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| Format: | Preprint |
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2022
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| _version_ | 1866917043213697024 |
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| author | Karney, Charles F. F. |
| author_facet | Karney, Charles F. F. |
| contents | The algorithms given in Karney, J. Geodesy 87, 43-55 (2013), to compute geodesics on terrestrial ellipsoids are extended to apply to ellipsoids of revolution with arbitrary eccentricity. For the direct and inverse geodesic problems, this entails implementing the formulation in terms of elliptic integrals given by Legendre and Cayley. The integral for the area of geodesic polygons is computed in terms of the discrete sine transform of the integrand. In all cases, accuracy close to full machine precision is achieved. An open-source implementation of these algorithms is available. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2208_00492 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Geodesics on an arbitrary ellipsoid of revolution Karney, Charles F. F. Geophysics Differential Geometry Computational Physics The algorithms given in Karney, J. Geodesy 87, 43-55 (2013), to compute geodesics on terrestrial ellipsoids are extended to apply to ellipsoids of revolution with arbitrary eccentricity. For the direct and inverse geodesic problems, this entails implementing the formulation in terms of elliptic integrals given by Legendre and Cayley. The integral for the area of geodesic polygons is computed in terms of the discrete sine transform of the integrand. In all cases, accuracy close to full machine precision is achieved. An open-source implementation of these algorithms is available. |
| title | Geodesics on an arbitrary ellipsoid of revolution |
| topic | Geophysics Differential Geometry Computational Physics |
| url | https://arxiv.org/abs/2208.00492 |