Spectal averaging on 32GB MS.


CASA <43>: inp
---------> inp()
#  split :: Create a visibility subset from an existing visibility set
vis                 = 'orion10.55185.19748390046.ms' #  Name of input measurement set
outputvis           = 'orion10.55185.19748390046.spect.ms' #  Name of output measurement set
datacolumn          =     'data'        #  Which data column(s) to split out
field               =         ''        #  Select field using field id(s) or field name(s)
spw                 =         ''        #  Select spectral window/channels
width               =        '2'        #  Number of channels to average to form one output channel
antenna             =         ''        #  Select data based on antenna/baseline
timebin             =       '0s'        #  Value for timeaveraging
timerange           =         ''        #  Select data based on time range
scan                =         ''        #  select data based on scan numbers
array               =         ''        #  Select (sub)array by array ID number(s)
uvrange             =         ''        #  select data based on uv distance range
async               =      False        #  If true the taskname must be started using split(...)

CASA <44>:

CASA <45>:

CASA <46>: split()
2010-02-12 18:04:47     WARN    split::SubMS::selectSpw()       Selected input spw(s)
2010-02-12 18:04:47     WARN    split::SubMS::selectSpw()+      8 9 10 11 12 13 14 15
2010-02-12 18:04:47     WARN    split::SubMS::selectSpw()+      not found in DATA_DESCRIPTION and being excluded.
MSTableImpl::addColumnToDesc - Invalid data type: 26,
2010-02-12 18:04:55     WARN    split::SubMS::addOptionalColumns()      Could not add column NS_WX_STATION_ID to /home/dubhe/jbenson/orion10.55185.19748390046.spect.ms/WEATHER
MSTableImpl::addColumnToDesc - Invalid data type: 26,
2010-02-12 18:04:55     WARN    split::SubMS::addOptionalColumns()      Could not add column NS_WX_STATION_POSITION to /home/dubhe/jbenson/orion10.55185.19748390046.spect.ms/WEATHER
2010-02-12 18:06:09     SEVERE  split::ms::split        Exception Reported: Invalid Table operation: DATA is readonly (use the ROxxxColumn class)
**** Error ****  Invalid Table operation: DATA is readonly (use the ROxxxColumn class)

CASA <47>: