private void adjustDateLineCrossingPoints() { ArrayList<LatLon> corners = new ArrayList<LatLon>(Arrays.asList(sw, se, nw, ne)); if (!LatLon.locationsCrossDateLine(corners)) return; double lonSign = 0; for (LatLon corner : corners) { if (Math.abs(corner.getLongitude().degrees) != 180) lonSign = Math.signum(corner.getLongitude().degrees); } if (lonSign == 0) return; if (Math.abs(sw.getLongitude().degrees) == 180 && Math.signum(sw.getLongitude().degrees) != lonSign) sw = new Position(sw.getLatitude(), sw.getLongitude().multiply(-1), sw.getElevation()); if (Math.abs(se.getLongitude().degrees) == 180 && Math.signum(se.getLongitude().degrees) != lonSign) se = new Position(se.getLatitude(), se.getLongitude().multiply(-1), se.getElevation()); if (Math.abs(nw.getLongitude().degrees) == 180 && Math.signum(nw.getLongitude().degrees) != lonSign) nw = new Position(nw.getLatitude(), nw.getLongitude().multiply(-1), nw.getElevation()); if (Math.abs(ne.getLongitude().degrees) == 180 && Math.signum(ne.getLongitude().degrees) != lonSign) ne = new Position(ne.getLatitude(), ne.getLongitude().multiply(-1), ne.getElevation()); }