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NRAO Home > CASA > CASA Task Reference Manual |
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0.1.20 delmod
Requires:
Synopsis
Deletes model representations in the MS
Arguments
Inputs |
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vis |
| Name of input visibility file (MS)
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| allowed: | string |
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| Default: |
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otf |
| Delete the on-the-fly model data keywords
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| allowed: | bool | |
| Default: | True |
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field |
| Select field using field id(s) or field name(s)
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| allowed: | string |
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| Default: |
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scr |
| Delete the MODEL_DATA scr col (if it exists)
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| allowed: | bool |
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| Default: | False |
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void
Example
This utility task is to be used to delete the model visibility
data representations in the MS. The ’otf’ representation is
the new (as of v3.4) ’scratch-less’ model data, stored as
keywords in the MS header containing model data formation
instructions. It is generated by the setjy, ft, and clean
tasks (usescratch=F), and if present, overrides the
old-fashioned MODEL_DATA column (if present). If a user
wishes to use the MODEL_DATA column _after_ having operated
with the ’otf’ representation, this task can be used
to delete the ’otf’ represenatation to make the MODEL_DATA
column visible. (Create the MODEL_DATA column by using
usescratch=T in setjy, ft, or clean; or by running the
clearcal task with addmodel=T.)
If otf=T, specific fields can be selected for deletion
using standard field selection semantics. If field=’’,
all fields’ models will be deleted.
For convenience, this method also provides a means for
deleting the MODEL_DATA column by setting scr=T. Note
that it is not possible to delete the MODEL_DATA column
per field.
If otf=F and scr=F, delmod will provide a listing
of the header field records.
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
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