ObservationIdentifiers¶

class lsst.cell_coadds.ObservationIdentifiers(instrument: str, physical_filter: str, visit: int, day_obs: int, detector: int)¶

Bases: BaseIdentifiers

Struct of identifiers for an observation that contributed to a coadd cell.

Attributes Summary

Alias for the detector.

Methods Summary

from_data_id(data_id, *[, backup_detector])

Construct from a data ID.

Attributes Documentation

ccd¶

Alias for the detector.

This is provided for compatibility with the older API.

Methods Documentation

classmethod from_data_id(data_id: DataCoordinate, *, backup_detector: int = -1) → ObservationIdentifiers¶

Construct from a data ID.

Parameters:

data_idDataCoordinate: Fully-expanded data ID that includes the ‘visit’, ‘detector’ and ‘day_obs’ dimensions.
backup_detectorint, optional: Detector ID to use as a backup if not present in data_id. This is not used if detector information is available in data_id and does not override it.

Returns:

identifiersObservationIdentifiers: Struct of identifiers for this observation.