/**
* Abstract; not implemented. There is no explicit constructor; this class
* merely serves to document the representation used by {@link pv.Geo.scale}.
*
* @class Represents a pair of geographic coordinates.
*
* @name pv.Geo.LatLng
* @see pv.Geo.scale
*/
/**
* The latitude coordinate in degrees; positive is North.
*
* @type number
* @name pv.Geo.LatLng.prototype.lat
*/
/**
* The longitude coordinate in degrees; positive is East.
*
* @type number
* @name pv.Geo.LatLng.prototype.lng
*/