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Charles F.F. Karney's geographiclib geodesic
, wrapped.
Wrapper around Python classes Geodesic
and
GeodesicLine
and several Math
functions from
Karney's Python package geographiclib, provided that package is installed.
The wrapped class methods return a GDict instance
offering access to the dict
items either by key
or by attribute
name.
With env variable PYGEODESY_GEOGRAPHICLIB
left undefined
or set to "2"
, this module and pygeodesy.geodesicx will use GeographicLib 2.0 transcoding, otherwise
1.52
or older.
pygeodesy
are transcoded from C++ classes in Karney's GeographicLib.
pygeodesy
modules and classes
are or use wrappers around Karney's Python geographiclib geodesic
or C++
utility GeodSolve.
pygeodesy
functions and methods to compute
ellipsoidal intersections and trilaterations
are implementations of Karney's solution posted under The ellipsoidal case and in paper Geodesics on an ellipsoid of revolution (pp 20-21, section 14. MARITIME BOUNDARIES).
in pygeodesy
are based on Karney's post Area of a spherical polygon, 3rd Answer.
Version: 22.05.04
Classes | |
Direct9Tuple 9-Tuple (a12, lat2, lon2, azi2, s12, m12, M12, M21,
S12) with arc length a12 , angles
lat2 , lon2 and azimuth azi2
in degrees , distance s12 and reduced
length m12 in meter and area
S12 in meter squared.
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GDict Basic dict with both key and attribute access
to the dict items.
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GeodesicError Error raised for pygeodesy.geodesicx lack of convergence or other pygeodesy.geodesicx or pygeodesy.karney issues. |
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GeodSolve12Tuple 12-Tuple (lat1, lon1, azi1, lat2, lon2, azi2, s12, a12, m12,
M12, M21, S12) with angles lat1 ,
lon1 , azi1 , lat2 ,
lon2 and azi2 and arc a12
all in degrees , initial azi1 and final
azi2 forward azimuths, distance s12 and
reduced length m12 in meter , area
S12 in meter squared and geodesic
scale factors M12 and M21 , both
scalar , see GeodSolve.
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Inverse10Tuple 10-Tuple (a12, s12, salp1, calp1, salp2, calp2, m12, M12,
M21, S12) with arc length a12 in
degrees , distance s12 and reduced length
m12 in meter , area S12 in
meter squared and the sines salp1 ,
salp2 and cosines calp1 ,
calp2 of the initial 1 and final
2 foward azimuths.
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Variables | |
__all__ = _ALL_LAZY.karney
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