getSpwsFromASDM

Return to directory of Todd's CASA extensions

Returns a dictionary of the spw information for every spw in the specified ASDM. Dictionary contents: spectralWindowId, numChan, refFreq, sideband, centerFreq. See also getMeanFreqFromASDM and getNumChanFromASDM.

Usage:

au.getSpwsFromASDM(sdmfile, minnumchan=0, dropExtraWVRSpws=False)
  • minnumchan: only return information on those spws with at least this many channels
  • dropExtraWVRSpws: if True, then include in the dictionary a maximum of one spw with 4 channels

Example:

CASA <2>: au.getSpwsFromASDM('uid___A002_X65c1ab_Xd8d/',minnumchan=5)
  Out[2]:
{0: {'basebandNumber': 1,
     'centerFreq': 332858499999.9,
     'chanFreqStart': 333842874999.9,
     'numChan': 64,
     'refFreq': 333858499999.9,
     'sideband': -1,
     'spectralWindowId': 39},
 1: {'basebandNumber': 2,
     'centerFreq': 334733499999.9,
     'chanFreqStart': 335717874999.9,
     'numChan': 64,
     'refFreq': 335733499999.9,
     'sideband': -1,
     'spectralWindowId': 41},
 2: {'basebandNumber': 3,
     'centerFreq': 344858500000.0,
     'chanFreqStart': 343874125000.0,
     'numChan': 64,
     'refFreq': 343858500000.0,
     'sideband': 1,
     'spectralWindowId': 43},
 3: {'basebandNumber': 4,
     'centerFreq': 346733500000.0,
     'chanFreqStart': 345749125000.0,
     'numChan': 64,
     'refFreq': 345733500000.0,
     'sideband': 1,
     'spectralWindowId': 45}}

-- ToddHunter - 2013-12-16
Topic revision: r3 - 2015-08-14, ToddHunter
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