doc: A RA/Dec value specifying in what direction to correct the beam. See phaseshift.phasecenter for syntax. If empty, the beam is corrected in the direction of the current phase center.
- id: onebeamperpatch
type: string?
doc: |
Compute the beam only for the center of each patch
(saves computation time, but you should set this to false for large
patches).
In the ApplyBeam step, this setting does not make sense
(but it does if the applybeam is part of predict, ddecal, gaincal,
h5parmpredict, etc.).
Generally, FALSE is the right setting for this option.
The default has changed to false in a recent (Nov 2018) version.
- id: usechannelfreq
type: boolean?
doc: |
Compute the beam for each channel of the measurement set separately.
This is useful for merged / concatenated measurement sets.
For raw LOFAR data you should set it to false,
so that the beam will be formed as in the station hardware.
Also, setting it to false is faster.
- id: updateweights
type: boolean?
doc: |
Update the weights column, in a way consistent with
the weights being inverse proportional to the autocorrelations
(e.g. if 'autoweights' was used before).
- id: invert
type: boolean?
doc: |
Invert the corrections, to correct the data. Default is true.
If you want to corrupt the data, set it to 'false'
- id: beammode
type:
type: enum
symbols:
- array_factor
- element
- default
doc: |
Beam mode to apply, can be “array_factor”, “element” or “default”.
Default is to apply both the element beam and the array factor.
