Convert

The following functions can be used to convert between coordinate systems and otherwise perform calculations on the coordinates:

	•gpsDistance	Calculates the distance and bearing between two points.
	•gpsDistanceX	Calculates the distance and bearing between two points.
	•gpsPointInPolygon	Checks whether a point is within a defined polygon.
	•gpsPositionToUtm	Converts a position to Universal Transverse Mercator (UTM) format.
	•gpsSemicircleToUtm	Converts a position to Universal Transverse Mercator (UTM) format.
	•gpsUtmToPosition	Converts a position from Universal Transverse Mercator (UTM) format.
	•gpsUtmToSemicircle	Converts a position from Universal Transverse Mercator (UTM) format.