constructDataIds¶

lsst.validate.drp.util.constructDataIds(filters, visits, ccds, ccdKeyName='ccd')[source]¶

Returns a list of dataIds consisting of every combination of visit & ccd for each filter.

Parameters:	filters : str or list If str, will be interpreted as one filter to be applied to all visits. visits : list of int ccds : list of int ccdKeyName : str, optional Name to distinguish different parts of a focal plane. Generally ‘ccd’, but might be ‘ccdnum’, or ‘amp’, or ‘ccdamp’. Refer to your obs_*/policy/*Mapper.paf.
Returns:	list dataIDs suitable to be used with the LSST Butler.

Examples

>>> dataIds = constructDataIds('r', [100, 200], [10, 11, 12])
>>> print(dataIds)
[{'filter': 'r', 'visit': 100, 'ccd': 10}, {'filter': 'r', 'visit': 100, 'ccd': 11}, {'filter': 'r', 'visit': 100, 'ccd': 12}, {'filter': 'r', 'visit': 200, 'ccd': 10}, {'filter': 'r', 'visit': 200, 'ccd': 11}, {'filter': 'r', 'visit': 200, 'ccd': 12}]