+ /**
+ * Convert the given distance into an angle in radians
+ * @param inDist distance to convert
+ * @param inUnits units, eg miles or km
+ * @return angular distance in radians
+ */
+ public static double convertDistanceToRadians(double inDist, int inUnits)
+ {
+ // Divide by appropriate factor
+ if (inUnits == UNITS_MILES)
+ return inDist / EARTH_RADIUS_KM / CONVERT_KM_TO_MILES;
+ else if (inUnits == UNITS_METRES)
+ return inDist / EARTH_RADIUS_KM / 1000;
+ // default kilometres
+ return inDist / EARTH_RADIUS_KM;
+ }