public void addGeoKey(XTIFFField geoKey){
  geoKeyIndex.put(new Integer(geoKey.getTag()),geoKey);
  hasGeoKeys=true;
}

public void addGeoKey ( XTIFFField geoKey ) { geoKeyIndex . put ( new Integer ( geoKey . getTag ( ) ) , geoKey ) ; hasGeoKeys = true ; }
add an existing geokey to the directory .
