1.3.2.0 msmetadata.polidfordatadesc

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msmetadata.polidfordatadesc - Function

1.3.2 Get the polarization ID associated with the specified data description ID.

Description

Get the polarization ID associated with the specified data description ID. If the specified data description ID is negative, an array of polarization IDs is returned. The indices of that array represent data description IDs.

Arguments


Inputs
ddid	Zero-based data description ID. A negative number will cause all the polarization IDs to be returned.
	allowed:	int
	Default:	-1

Returns
variant

Example

    msmd.open("my.ms")
    # get the polarization ID associated with data description ID 3
    polid = msmd.polidfordatadesc(3)
    # get the array of polarization IDs in the order they appear in the DATA_DESCRIPTION table
    polids = msmd.polidfordatadesc(-1)
    msmd.done()

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