/**
* set lat and lon by using UTM coordinates
*
* @param strZone UTM-zone, e.g. 32U
* @param strNorthing Northing component
* @param strEasting Easting component
*/
public void set(String strZone, String strNorthing, String strEasting) {
LatLonPoint ll = new LatLonPoint();
utm.zone_letter = strZone.charAt(strZone.length() - 1);
utm.zone_number = Convert.toInt(strZone.substring(0, strZone.length() - 1));
utm.northing = (float) Common.parseDouble(strNorthing);
utm.easting = (float) Common.parseDouble(strEasting);
ll = utm.toLatLonPoint(); // returns null if unvalit UTM-coordinates
if (ll != null) {
this.utmValid = true;
this.latDec = ll.getLatitude();
this.lonDec = ll.getLongitude();
} else {
this.latDec = 91;
this.lonDec = 361;
}
}
/** Checks, if the data of utm is valid, if not, utm ist calculated */
private void checkUTMvalid() {
if (this.utmValid) return;
this.utm = MGRSPoint.LLtoMGRS(new LatLonPoint(this.latDec, this.lonDec));
this.utmValid = true;
}