Description
This function creates a selection data item from set of selection
criteria. The individual selection criteria are combined by a logical
AND to form the total selection.
Example
myfq:= freqselmanager();
freqsel1:= myfq.channel(nchan=64, start=4, step=1);
mysm:= selectionmanager();
item1:= mysm.selection(freqsel=freqsel1, fieldnames=['3C84','3C273'],
spwids=[1,2], msselect="ANTENNA1==4");
Create a selection data item item1 representing: i) frequency channel
selection of 64 channels, starting at channel 4 and stepping by 1
channel; ii) for the field names '3C273' and '3C84'; iii) for spectral window
id.'s 1 and 2; and iv) for all data for which the first antenna on the
baseline is antenna 4. All spectral window and antenna id.'s are
1-relative, as are all MS indices in the msselect parameter.
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2006-10-15