code: def navigate(self):
          
          tic = datetime.now()
          lons40km = self._data["pos"][:, :, 1] * 1e-4
          lats40km = self._data["pos"][:, :, 0] * 1e-4
  
          try:
              from geotiepoints import SatelliteInterpolator
          except ImportError:
              logger.warning("Could not interpolate lon/lats, "
                             "python-geotiepoints missing.")
              self.lons, self.lats = lons40km, lats40km
          else:
              cols40km = np.arange(24, 2048, 40)
              cols1km = np.arange(2048)
              lines = lons40km.shape[0]
              rows40km = np.arange(lines)
              rows1km = np.arange(lines)
  
              along_track_order = 1
              cross_track_order = 3
  
              satint = SatelliteInterpolator(
                  (lons40km, lats40km), (rows40km, cols40km), (rows1km, cols1km),
                  along_track_order, cross_track_order)
              self.lons, self.lats = satint.interpolate()
              logger.debug("Navigation time %s", str(datetime.now() - tic))
docs: Return the longitudes and latitudes of the scene.