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[ Module Hierarchy | Class Hierarchy ]

# Module Hierarchy

- pygeodesy: A pure Python implementation of geodesy tools for various ellipsoidal and spherical earth models using precision trigonometric, vector-based, elliptic and approximate methods for geodetic (lat-/longitude) and geocentric (ECEF cartesian) coordinates.
  - pygeodesy.__main__: Print pygeodesy version, etc.
  - pygeodesy.albers: Classes AlbersEqualArea, AlbersEqualArea2, AlbersEqualArea4, AlbersEqualAreaCylindrical, AlbersEqualAreaNorth, AlbersEqualAreaSouth and AlbersError, a transcription of Charles Karney's C++ class AlbersEqualArea.
  - pygeodesy.azimuthal: Azimuthal projection classes Equidistant, EquidistantKarney, Gnomonic, GnomonicKarney, LambertEqualArea, Orthographic and Stereographic, classes AzimuthalError, Azimuthal7Tuple and functions equidistant and gnomonic.
  - pygeodesy.basics: Basic definitions and functions.
  - pygeodesy.cartesianBase: (INTERNAL) Base classes for elliposiodal, spherical and N-/vectorial `Cartesian`s.
  - pygeodesy.clipy: Functions to clip a path or polygon of `LatLon` points against a rectangular box or a (convex) clip region.
  - pygeodesy.css: Cassini-Soldner projection classes CassiniSoldner, Css and CSSError requiring Charles Karney's geographiclib Python package to be installed.
  - pygeodesy.datums: Classes Datum and Transform and registries Datums and Transforms, respectively.
  - pygeodesy.deprecated: DEPRECATED classes, functions, etc.
    - pygeodesy.deprecated.bases: DEPRECATED, use module latlonBase instead.
    - pygeodesy.deprecated.datum: DEPRECATED, use module datums or ellipsoids instead.
    - pygeodesy.deprecated.nvector: DEPRECATED, use module nvectorBase instead.
  - pygeodesy.dms: Functions to parse and format bearing, compass, lat- and longitudes in various forms of degrees, minutes and seconds.
  - pygeodesy.ecef: Geocentric conversions transcribed from Charles Karney's C++ class Geocentric into pure Python class EcefKarney, class EcefSudano based on John Sudano's paper, class EcefVeness transcribed from Chris Veness' JavaScript classes LatLonEllipsoidal, Cartesian, class EcefYou implementing Rey-Jer You's transformations and classes EcefFarrell22 and EcefFarrell22 from Jay A. Farrell's Table 2.1 and 2.2, page 29-30.
  - pygeodesy.elevations: Functions to obtain elevations and geoid heights thru web services, for (lat, lon) locations, currently limited to the Conterminous US (CONUS), see also module geoids, module heights classes and USGS10mElev.py.
  - pygeodesy.ellipsoidalBase: (INTERNAL) Ellipsoidal base classes `CartesianEllipsoidalBase` and `LatLonEllipsoidalBase` and several ellipsoidal functions, all used by `.ellipsoidalKarney`, `.ellipsoidalNvector` or `.ellipsoidalVincenty`.
  - pygeodesy.ellipsoidalKarney: Ellipsoidal geodetic (lat-/longitude) LatLon and geocentric (ECEF) Cartesian classes and functions areaOf, intersections2, isclockwise, nearestOn and perimeterOf, all requiring Charles Karney's geographiclib Python package to be installed.
  - pygeodesy.ellipsoidalNvector: Ellispdoidal, N-vector-based classes geodetic (lat-/longitude) LatLon, geocentric (ECEF) Cartesian, Ned and Nvector and functions meanOf.
  - pygeodesy.ellipsoidalVincenty: Ellipsoidal Thaddeus Vincenty's geodetic (lat-/longitude) LatLon, geocentric (ECEF) Cartesian and VincentyError classes and functions areaOf, intersections2, nearestOn and perimeterOf.
  - pygeodesy.ellipsoids: Classes a_f2Tuple, Ellipsoid and Ellipsoid2, an Ellipsoids registry and a dozen functions to convert equatorial radius, polar radius, eccentricities, flattenings and inverse flattening.
  - pygeodesy.elliptic: Elliptic integrals and functions transcribed from Charles Karney's C++ class EllipticFunction into pure Python class Elliptic.
  - pygeodesy.epsg: Classes Epsg and EPSGError and functions to encode and decode2 European Petroleum Survey Group (EPSG) codes from and to UTM and UPS zones.
  - pygeodesy.errors: Error, exception classes and functions to format PyGeodesy errors, including the setting of exception chaining in Python 3+.
  - pygeodesy.etm: Classes ETMError and Etm, a pure Python transcription of Charles Karney's C++ class TransverseMercatorExact, abbreviated as `TMExact` below.
  - pygeodesy.fmath: Precision floating point functions, utilities and constants.
  - pygeodesy.formy: Formulary of basic geodesy functions and approximations.
  - pygeodesy.frechet: Classes Frechet, FrechetDegrees, FrechetRadians, FrechetCosineAndoyerLambert, FrechetCosineForsytheAndoyerLambert, FrechetCosineLaw, FrechetDistanceTo< FrechetEquirectangular, FrechetEuclidean, FrechetFlatLocal, FrechetFlatPolar, FrechetHaversine, FrechetHubeny, FrechetKarney, FrechetThomas and FrechetVincentys to compute discrete Fréchet distances between two sets of `LatLon`, `NumPy`, `tuples` or other types of points.
  - pygeodesy.gars: Classes Garef and GARSError and several functions to encode, decode and inspect Global Area Reference System (GARS) references.
  - pygeodesy.geohash: Classes Geohash and GeohashError and several functions to encode, decode and inspect geohashes.
  - pygeodesy.geoids: Classes GeoidG2012B, GeoidKarney and GeoidPGM to interpolate the height of various geoids at `LatLon` locations or separate lat-/longitudes using different interpolation methods and `geoid` model files.
  - pygeodesy.hausdorff: Classes Hausdorff, HausdorffDegrees, HausdorffRadians, HausdorffCosineAndoyerLambert, HausdorffCosineForsytheAndoyerLambert, HausdorffCosineLaw, HausdorffDistanceTo, HausdorffEquirectangular, HausdorffEuclidean, HausdorffFlatLocal, HausdorffFlatPolar, HausdorffHaversine, HausdorffHubeny, HausdorffKarney, HausdorffThomas and HausdorffVincentys to compute Hausdorff distances between two sets of `LatLon`, `NumPy`, `tuples` or other types of points.
  - pygeodesy.heights: Classes HeightCubic, HeightIDWcosineAndoyerLambert, HeightIDWcosineForsytheAndoyerLambert, HeightIDWcosineLaw, HeightIDWdistanceTo, HeightIDWequirectangular, HeightIDWeuclidean, HeightIDWflatLocal, HeightIDWflatPolar, HeightIDWhaversine, HeightIDWhubeny, HeightIDWkarney, HeightIDWthomas, HeightIDWvincentys, HeightLinear, HeightLSQBiSpline and HeightSmoothBiSpline to interpolate the height of `LatLon` locations or separate lat-/longitudes from a set of `LatLon` points with `known` heights.
  - pygeodesy.interns: Single-instance floats and strings, `intern`'ed across modules.
  - pygeodesy.iters: Iterator classes LatLon2PsxyIter and PointsIter to iterate over iterables, lists, sets, tuples, etc.
  - pygeodesy.karney: Wrapper around Charles Karney's Python classes `Geodesic` and `GeodesicLine` and `Math` functions `AngDiff`, `AngNormalize`, `LatFix` and `sum` from Karney's geographiclib, Python package, provided that package is installed.
  - pygeodesy.latlonBase: (INTERNAL) base class LatLonBase for elliposiodal, spherical and n-vectorial `LatLon`s.
  - pygeodesy.lazily: Lazily import `pygeodesy` modules and attributes, based on lazy_import from Brett Cannon's modutil.
  - pygeodesy.lcc: Lambert conformal conic projection for 1- or 2-Standard Parallels classes Conic, Conics registry, LCCError and position class Lcc.
  - pygeodesy.ltp: Local cartesian and local tangent plane classes LocalCartesian and Ltp, LocalError and Frustum.
  - pygeodesy.ltpTuples: Local coordinate classes XyzLocal, Enu, Ned and Aer and local coordinate tuples Local6Tuple, Xyz4Tuple, Enu4Tuple, Ned4Tuple, Aer4Tuple and Footprint5Tuple.
  - pygeodesy.mgrs: Military Grid Reference System (MGRS/NATO) classes Mgrs and MGRSError and functions parseMGRS and toMgrs.
  - pygeodesy.named: (INTERNAL) Classes `_Named`, `_NamedDict` and `_NamedTuple`, all with nameable instances and several subclasses thereof.
  - pygeodesy.namedTuples: Tuples returned by `pygeodesy` functions and class methods are all instances of some `Named...Tuple` class, all sub-classes of `_NamedTuple` defined in `pygeodesy.named`.
  - pygeodesy.nvectorBase: (INTERNAL) Base class LatLonNvectorBase for `n-vectorial` ellipsoidal and spherical `LatLon`s, class NvectorBase for `Cartesian`s and function sumOf.
  - pygeodesy.osgr: Ordinance Survey Grid References (OSGR) classes Osgr an OSGRError and functions parseOSGR and toOsgr.
  - pygeodesy.points: Functions to handle collections and sequences of `LatLon` points specified as 2-d NumPy, `arrays` or tuples as `LatLon` or as `pseudo-x/-y` pairs.
  - pygeodesy.props: Im-/mutable, caching or memoizing properties and decorators for `DeprecationWarning`s.
  - pygeodesy.simplify: Seven functions to simplify or linearize a path of `LatLon` points.
  - pygeodesy.sphericalBase: (INTERNAL) Spherical base classes `CartesianSphericalBase` and `LatLonSphericalBase` used by `.sphericalNvector` or `.sphericalTrigonometry`.
  - pygeodesy.sphericalNvector: N-vector-based classes geodetic (lat-/longitude) LatLon, geocentric (ECEF) Cartesian and Nvector and functions areaOf, intersection, meanOf, nearestOn3, perimeterOf, sumOf, triangulate and trilaterate, all spherical.
  - pygeodesy.sphericalTrigonometry: Trigonometric classes geodetic (lat-/longitude) LatLon and geocentric (ECEF) Cartesian and functions areaOf, intersection, intersections2, isPoleEnclosedBy, meanOf, nearestOn3 and perimeterOf, all spherical.
  - pygeodesy.streprs: Floating point and other formatting utilities.
  - pygeodesy.trf: Terrestrial Reference Frame (TRF) classes RefFrame, registry RefFrames and TRFError.
  - pygeodesy.units: Sub-classes `Float`, `Int` and `Str` from basic `float`, `int` respectively `str` to named units as Degrees, Feet, Meter, Radians, etc.
  - pygeodesy.ups: Universal Polar Stereographic (UPS) classes Ups and UPSError and functions parseUPS5, toUps8 and upsZoneBand5.
  - pygeodesy.utily: Geometric and other utility functions and constants.
  - pygeodesy.utm: Universal Transverse Mercator (UTM) classes Utm and UTMError and functions parseUTM5, toUtm8 and utmZoneBand5.
  - pygeodesy.utmups: Functions parseUTMUPS5, toUtmUps8, UtmUps and utmupsZoneBand5 to handle both Universal Transverse Mercator (UTM) and Universal Polar Stereographic (UPS) coordinates.
  - pygeodesy.utmupsBase: (INTERNAL) Base class `UtmUpsBase` and private functions for the UTM, UPS, Mgrs and Epsg classes/modules.
  - pygeodesy.vector3d: Generic 3-D vector base class Vector3d, class VectorError and functions intersections2, iscolinearWith, nearestOn, parse3d, sumOf and trilaterate3d2.
  - pygeodesy.webmercator: Web Mercator (WM) classes Wm and WebMercatorError and functions parseWM and toWm.
  - pygeodesy.wgrs: Classes Georef and WGRSError and several functions to encode, decode and inspect World Geographic Reference System (WGRS) references.