+ public double hypot(AltosLatLon a, AltosLatLon b) {
+ AltosPointDouble a_pt = point(a);
+ AltosPointDouble b_pt = point(b);
+
+ return Math.hypot(a_pt.x - b_pt.x, a_pt.y - b_pt.y);
+ }
+
+ public AltosLatLon screen_lat_lon(AltosPointInt screen) {
+ return lat_lon(screen_point(screen));
+ }
+