1.3.2.0 msmetadata.datadescids

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msmetadata.datadescids - Function

1.3.2 Get the data description IDs associated with the specified spectral window and/or polarization ID

Description

Get a list of data description IDs associated with the specified spectral window ID and/or polarization ID. Values of less than zero for either means all IDs should be used in the selection.

Arguments


Inputs
spw	Spectral window ID. Less than zero implies any,
	allowed:	int
	Default:	-1
pol	Polarization ID. Less than zero implies any.
	allowed:	int
	Default:	-1

Returns
intArray

Example

                msmd.open("my.ms")
                # get all data description IDs associated with spw 2.
                msmd.datadescids(spw=2)
                # same as before but limit the IDs returned to those associated with
                # polarization ID 3
                msmd.datadescids(spw=2, pol=3)
                msmd.done()

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