ism3d.uvhelper.ms.read_ms

ism3d.uvhelper.ms.read_ms(vis='', polaverage=True, flagdata=False, saveflag=True, includedata=True, usedouble=False, dataset=None, keyrule='basename')

Note:

the different output sequence casacore.table.getcol(): nrecord x nchan x ncorr casatools.table.getcol(): ncorr x nchan x nrecord

flagdata: default=False

set flagged data value to np.nan, which may lead to troubles of calculating chisq2

saveflag: default=True

save flagging (bool) column, which is need to figure out channel-wise bad data

uvw in units of meters

includedata=False

only read the MS “framework” from MS, not the actual dataset

dataset: a dataset container (list or dictionary) for the readout data

if it’s provieded, not return from the function. if it’s not provide, the readout data will be return as a dictionary.

keyrule: ‘number’: data_0, data_1, data_3

‘basename’: basename1, basename2, basename3 ‘abspath’: absolute name

note: we on purpose preserve the data shape to ensure write_ms will work properly