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Ellispdoidal, N-vector-based classes geodetic (lat-/longitude) LatLon, geocentric (ECEF) Cartesian, Ned and Nvector and functions meanOf. sumOf and toNed.
Pure Python implementation of n-vector-based geodetic (lat-/longitude) methods by (C) Chris Veness 2011-2016 published under the same MIT Licence**, see Vector-based geodesy.
These classes and functions work with: (a) geodesic (polar) lat-/longitude points on the earth's surface and (b) 3-D vectors used as n-vectors representing points on the earth's surface or vectors normal to the plane of a great circle.
See also Kenneth Gade 'A Non-singular Horizontal Position Representation', The Journal of Navigation (2010), vol 63, nr 3, pp 395-417.
Version: 21.02.09
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Cartesian Extended to convert geocentric, Cartesian points to Nvector and n-vector-based, geodetic LatLon. |
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LatLon An n-vector-based, ellipsoidal LatLon point. |
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Ned North-Eeast-Down (NED), also known as Local Tangent Plane (LTP), is a vector in the local coordinate frame of a body. |
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Ned3Tuple 3-Tuple (north, east, down) , all in
degrees .
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Nvector An n-vector is a position representation using a (unit) vector normal to the earth ellipsoid. |
Functions | |||
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Variables | |
__all__ = _ALL_LAZY.ellipsoidalNvector
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Function Details |
Compute the geographic mean of several points.
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Return the vectorial sum of two or more n-vectors.
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Create an NED vector from distance, bearing and elevation (in local coordinate system).
JS name: fromDistanceBearingElevation. |
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