NRAO Home > CASA > CASA Toolkit Reference Manual
msmetadata.spwfordatadesc - Function

1.3.2 Get the spectral window ID associated with the specified data description ID.


Description

Get the spectral window ID associated with the specified data description ID. If the specified data description ID is negative, an array of spectral window 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 spectral window IDs to be returned.

allowed:

int

Default:

-1

Returns
variant

Example

 
    msmd.open("my.ms")  
    # get the spectral window ID associated with data description ID 3  
    spw = msmd.spwfordatadesc(3)  
    # get the array of spectral window IDs in the order they appear in the DATA_DESCRIPTION table  
    spws = msmd.spwfordatadesc(-1)  
    msmd.done()  

__________________________________________________________________


More information about CASA may be found at the CASA web page

Copyright 2016 Associated Universities Inc., Washington, D.C.

This code is available under the terms of the GNU General Public Lincense


Home | Contact Us | Directories | Site Map | Help | Privacy Policy | Search