def METHOD_NAME(self):
    super().METHOD_NAME()
    # Precompute coordinates
    self.xs = [3000000, 2000000, 1000000]
    self.ys = [-3000000, -2000000, -1000000]
    self.x_range = (-5000000, 4000000)
    self.x_center = sum(self.x_range) / 2.0
    self.y_range = (-3000000, 2000000)
    self.y_center = sum(self.y_range) / 2.0
    self.lon_centers, self.lat_centers = Tiles.easting_northing_to_lon_lat(
        [self.x_center], [self.y_center]
    )
    self.lon_center, self.lat_center = self.lon_centers[0], self.lat_centers[0]
    self.lons, self.lats = Tiles.easting_northing_to_lon_lat(self.xs, self.ys)