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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 cartesian (x/y/z) coordinates.
  - pygeodesy.__main__: Print pygeodesy version, etc.
  - pygeodesy.bases: (INTERNAL) Common base classes.
  - 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.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 and classes GeoidG2012B, GeoidKarney and GeoidPGM and USGS10mElev.py.
  - pygeodesy.ellipsoidalBase: (INTERNAL) Ellipsoidal base classes.
  - pygeodesy.ellipsoidalKarney: Ellipsoidal geodetic (lat-/longitude) and cartesian (x/y/z) classes LatLon and Cartesian and functions areaOf and perimeterOf based on Charles Karney's Python implementation of GeographicLib.
  - pygeodesy.ellipsoidalNvector: N-vector-based ellipsoidal geodetic (lat-/longitude) and cartesion (x/y/z) classes LatLon, Ned, Nvector and Cartesian and functions meanOf and toNed.
  - pygeodesy.ellipsoidalVincenty: Vincenty's ellipsoidal geodetic (lat-/longitude) and cartesian (x/y/z) classes LatLon, Cartesian and VincentyError and functions areaOf and perimeterOf.
  - 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.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: N-vector base class Nvector 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.simplify: Seven functions to simplify or linearize a path of `LatLon` points.
  - pygeodesy.sphericalBase: (INTERNAL) Spherical base classes.
  - pygeodesy.sphericalNvector: N-vector-based spherical geodetic (lat-/longitude) classes LatLon and Nvector and functions areaOf, intersection, meanOf, nearestOn2, triangulate and trilaterate.
  - pygeodesy.sphericalTrigonometry: Trigonometric spherical geodetic (lat-/longitude) class LatLon and functions areaOf, intersection, isPoleEnclosedBy, meanOf, nearestOn2 and perimeterOf.
  - 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) Some UTM, UPS, Mgrs and Epsg functions.
  - 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.