See: Description
| Interface | Description | 
|---|---|
| EarthLocation | A location on the earth, specified by lat, lon and optionally altitude. | 
| LatLonPoint | Points on the Earth's surface, represented as (longitude,latitude),
 in units of degrees. | 
| Projection | Projective geometry transformations from (lat,lon) to (x,y) on
 a projective cartesian surface. | 
| ProjectionPoint | Points on the Projective geometry plane. | 
| Station | A named location on the earth. | 
| Class | Description | 
|---|---|
| Bearing | Computes the distance, azimuth, and back azimuth between
 two lat-lon positions on the Earth's surface. | 
| Earth | Defines the shape of the earth ellipsoid. | 
| EarthEllipsoid | Type-safe enumeration of Earth Ellipsoids. | 
| LatLonPoints | Static utilities for LatLonPoint. | 
| LatLonRect | Bounding box for latitude/longitude points. | 
| ProjectionRect | Bounding box for ProjectionPoint's. | 
| Projections | Static utilities for Projection. | 
Support library for georeferencing coordinate systems and transformations.