How to use

MGRSCoordConverter

in

gov.nasa.worldwind.geom.coords

final MGRSCoordConverter converter = new MGRSCoordConverter();
long err = converter.convertMGRSToGeodetic(MGRSString);
return new MGRSCoord(Angle.fromRadians(converter.getLatitude()), Angle.fromRadians(converter.getLongitude()), MGRSString);

/**
 * Create a MGRS coordinate from a pair of latitude and longitude <code>Angle</code>
 * with the given precision or number of digits (1 to 5).
 *
 * @param latitude the latitude <code>Angle</code>.
 * @param longitude the longitude <code>Angle</code>.
 * @param globe the <code>Globe</code> - can be null (will use WGS84).
 * @param precision the number of digits used for easting and northing (1 to 5).
 * @return the corresponding <code>MGRSCoord</code>.
 * @throws IllegalArgumentException if <code>latitude</code> or <code>longitude</code> is null,
 * or the conversion to MGRS coordinates fails.
 */
public static MGRSCoord fromLatLon(Angle latitude, Angle longitude, int precision)
{
  if (latitude == null || longitude == null)
  {
    throw new IllegalArgumentException("Latitude Or Longitude Is Null");
  }
  final MGRSCoordConverter converter = new MGRSCoordConverter();
  long err = converter.convertGeodeticToMGRS(latitude.radians, longitude.radians, precision);
  if (err != MGRSCoordConverter.MGRS_NO_ERROR)
  {
    throw new IllegalArgumentException("MGRS Conversion Error");
  }
  return new MGRSCoord(latitude, longitude, converter.getMGRSString());
}

Easting = roundMGRS(Easting / divisor) * divisor;
Northing = roundMGRS(Northing / divisor) * divisor;
getGridValues(Zone);
error_code = getLatitudeLetter(Latitude);
letters[0] = getLastLetter();
    letters[1] = letters[1] + 1;
  makeMGRSString(Zone, letters, Easting, Northing, Precision);

UTMCoord UTM = null;
MGRSComponents MGRS = breakMGRSString(MGRSString);
if (MGRS == null)
  error_code |= MGRS_STRING_ERROR;
        hemisphere = AVKey.NORTH;
      getGridValues(MGRS.zone);
          grid_northing = grid_northing - TWOMIL;
        error_code = getLatitudeBandMinNorthing(MGRS.latitudeBand);
        if (error_code == MGRS_NO_ERROR)
            latitude = UTM.getLatitude().radians;
            divisor = Math.pow(10.0, MGRS.precision);
            error_code = getLatitudeRange(MGRS.latitudeBand);
            if (error_code == MGRS_NO_ERROR)

long error_code = checkZone(MGRSString);
if (error_code == MGRS_NO_ERROR)
  UTMCoord UTM = convertMGRSToUTM(MGRSString);
  if (UTM != null)
  UPSCoord UPS = convertMGRSToUPS(MGRSString);
  if (UPS != null)

error_code |= convertUPSToMGRS(UPS.getHemisphere(), UPS.getEasting(),
  UPS.getNorthing(), precision);
error_code |= convertUTMToMGRS(UTM.getZone(), latitude, UTM.getEasting(),
  UTM.getNorthing(), precision);

double easting, northing;
MGRSComponents mgrs = breakMGRSString(MGRS);
if (mgrs == null)
  error_code = this.last_error;