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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.bases: DEPRECATED, use module latlonBase instead.
  - pygeodesy.basics: Basic constants, 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 clip region.
  - pygeodesy.css: Cassini-Soldner projection classes CassiniSoldner, Css and CSSError requiring Charles Karney's geographiclib package to be installed.
  - pygeodesy.datum: Classes Datum, Ellipsoid and Transform and registries thereof Datums, Ellipsoids and Transforms, respectively.
  - pygeodesy.deprecated: DEPRECATED classes, functions, etc.
  - 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++ classes Geocentric and LocalCartesian into pure Python classes EcefKarney respectively EcefCartesian, class EcefVeness transcribed from Chris Veness' JavaScript classes LatLonEllipsoidal, Cartesian and class EcefYou implementing Rey-Jer You's transformations.
  - 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`.
  - pygeodesy.ellipsoidalKarney: Ellipsoidal geodetic (lat-/longitude) LatLon and geocentric (ECEF) Cartesian classed and functions areaOf, isclockwise and perimeterOf, all based on Charles Karney's Python implementation of GeographicLib.
  - pygeodesy.ellipsoidalNvector: N-vector-based classes geodetic (lat-/longitude) LatLon, geocentric (ECEF) Cartesian, Ned and Nvector and functions meanOf and toNed, all ellipsoidal.
  - pygeodesy.ellipsoidalVincenty: Vincenty's geodetic (lat-/longitude) LatLon, geocentric (ECEF) Cartesian amd VincentyError classes and functions areaOf and perimeterOf, all ellipsoidal.
  - 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.etm: Classes ETMError and Etm, a pure Python implementation 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, FrechetEquirectangular, FrechetEuclidean, FrechetHaversine, 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` files.
  - pygeodesy.hausdorff: Classes Hausdorff, HausdorffDegrees, HausdorffRadians, HausdorffEquirectangular, HausdorffEuclidean, HausdorffHaversine, HausdorffKarney and HausdorffVincentys to compute Hausdorff distances between two sets of `LatLon`, `NumPy`, `tuples` or other types of points.
  - pygeodesy.heights: Classes HeightCubic, HeightIDWequirectangular, HeightIDWeuclidean, HeightIDWhaversine, HeightIDWkarney, 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.latlonBase: (INTERNAL) base classes for elliposiodal, spherical and 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.mgrs: Military Grid Reference System (MGRS/NATO) classes Mgrs and MGRSError and functions parseMGRS and toMgrs.
  - pygeodesy.named: (INTERNAL) Classes `_Named`, `_NamedDict`, `_NamedInt`, `_NamedStr` and `_NamedTuple` with nameable instances and several subclasses thereof.
  - pygeodesy.nvector: DEPRECATED, use module nvectorBase instead.
  - pygeodesy.nvectorBase: (INTERNAL) Base classes LatLonNvectorBase and NvectorBase and function sumOf for `N-vectorial` ellipsoidal and spherical `Cartesian`s and `LatLon`s.
  - 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.simplify: Seven functions to simplify or linearize a path of `LatLon` points.
  - pygeodesy.sphericalBase: (INTERNAL) Spherical base classes `CartesianSphericalBase` and `LatLonSphericalBase`.
  - pygeodesy.sphericalNvector: N-vector-based classes geodetic (lat-/longitude) LatLon, geocentric (ECEF) Cartesian and Nvector and functions areaOf, intersection, meanOf, nearestOn2, triangulate and trilaterate, all spherical.
  - pygeodesy.sphericalTrigonometry: Trigonometric classes geodetic (lat-/longitude) LatLon and geocentric (ECEF) Cartesian and functionsareaOf, intersection, isPoleEnclosedBy, meanOf, nearestOn2 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.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 and function sumOf.
  - 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.