Description Usage Arguments Details Value References See Also Examples

View source: R/n_EB_E2p_EB_E.R

The function converts the position of B (typically body) relative to E (typically Earth),
the n-vector `n_EB_E`

to cartesian position vector ("ECEF-vector"), `p_EB_E`

,
in meters.

1 | ```
n_EB_E2p_EB_E(n_EB_E, z_EB = 0, a = 6378137, f = 1/298.257223563)
``` |

`n_EB_E` |
n-vector of position B, decomposed in E (3x1 vector) (no unit) |

`z_EB` |
Depth of system B, relative to the ellipsoid (z_EB = -height) (m, default 0) |

`a` |
Semi-major axis of the Earth ellipsoid (m, default [WGS-84] 6378137) |

`f` |
Flattening of the Earth ellipsoid (no unit, default [WGS-84] 1/298.257223563) |

The calculation is exact, taking the ellipticity of the Earth into account.

It is also nonsingular as both n-vector and p-vector are nonsingular
(except for the center of the Earth).
The default ellipsoid model used is WGS-84, but other ellipsoids (or spheres) might be specified
via the optional parameters `a`

and `f`

.

Cartesian position vector from E to B, decomposed in E (3x1 vector) (m)

Kenneth Gade A Nonsingular Horizontal Position Representation.
*The Journal of Navigation*, Volume 63, Issue 03, pp 395-417, July 2010.

`p_EB_E2n_EB_E`

, `n_EA_E_and_p_AB_E2n_EB_E`

and
`n_EA_E_and_n_EB_E2p_AB_E`

.

1 2 | ```
n_EB_E <- lat_lon2n_E(rad(1), rad(2))
n_EB_E2p_EB_E(n_EB_E)
``` |

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