def create_data_object(self, filenames, variable):
from cis.data_io.netcdf import read_many_files, get_metadata
coords = self._create_coord_list(filenames)
data = read_many_files(filenames, variable, dim="pixel_number")
metadata = get_metadata(data[variable])
return UngriddedData(data[variable], metadata, coords)
def _create_coord_list(self, filenames):
from cis.data_io.netcdf import read_many_files, get_metadata
from cis.data_io.Coord import Coord
import datetime
# FIXME: when reading an existing file variables might be "latitude", "longitude"
variables = ["lat", "lon", "time"]
logging.info("Listing coordinates: " + str(variables))
data = read_many_files(filenames, variables, dim="pixel_number")
coords = CoordList()
coords.append(Coord(data["lon"], get_metadata(data["lon"]), "X"))
coords.append(Coord(data["lat"], get_metadata(data["lat"]), "Y"))
time_coord = Coord(data["time"], get_metadata(data["time"]), "T")
time_coord.convert_TAI_time_to_std_time(datetime.datetime(1970, 1, 1))
coords.append(time_coord)
return coords
