docs: def plot(self, value=None, pixel=None):
          """
          Plot the ROI
          """
          # DEPRECATED
          import ugali.utils.plotting
  
          map_roi = np.array(hp.UNSEEN \
                                * np.ones(hp.nside2npix(self.config.params['coords']['nside_pixel'])))
          
          if value is None:
              #map_roi[self.pixels] = ugali.utils.projector.angsep(self.lon, self.lat, self.centers_lon, self.centers_lat)
              map_roi[self.pixels] = 1
              map_roi[self.pixels_annulus] = 0
              map_roi[self.pixels_target] = 2
          elif value is not None and pixel is None:
              map_roi[self.pixels] = value
          elif value is not None and pixel is not None:
              map_roi[pixel] = value
          else:
              logger.error("Can't parse input")
          
          ugali.utils.plotting.zoomedHealpixMap('Region of Interest',
                                                map_roi,
                                                self.lon, self.lat,
                                                self.config.params['coords']['roi_radius'])