code: public void pointerMovedTo(double lat, double lon) {
              final Coordinate coordinate = new Coordinate(lat, lon);
              if (logger.isTraceEnabled()) {
                  logger.trace("JS reports pointer move {}", coordinate);
              }
              fireEvent(new MapViewEvent(MapViewEvent.MAP_POINTER_MOVED, coordinate));
          }
docs: called when the user has moved the pointer (mouse).
  
  @param lat
  new latitude value
  @param lon
  new longitude value