AIPS NRAO AIPS HELP file for OPTELL in 31DEC25



As of Sat Feb 15 22:15:09 2025



HELP SECTION

OPTELL
Type: Adverb (String*4)
Use:  To specify the operation to be used by the TELL verb.
         'ABOR'  Die now, reset file statuses and delete outputs
         'QUIT'  Die now, but save the current output results
         'CHAN'  Change the running parameters
Null Value: None

Verbs:
  TELL......Send parameters to tasks that know to read them on the fly.

Tasks which support this capability usefully:
  APCLN-----Deconvolves images with B. G. Clark CLEAN method.
            Can change DOTV, NITER, beam, and other parameters.
  IMAGR-----Wide-field and/or wide-frequency Cleaning / imaging.
            Can change quite a few parameters.  Turning TV back
            on is most useful.
  SCMAP-----Imaging plus self-calibration loop with editing
            Can change several imaging and self-cal parameters.
  SCIMG-----Full-featured imaging plus self-calibration loop with
            editing.  Can change imaging, editing, and self-cal
            parameters.
  SDCLN-----Deconvolves images with CLEAN followed by SDI
            methods.  Can change DOTV, NITER, beam, and other
            parameters.
  UTESS-----Deconvolves multiple images with maximum entropy
            methods - for images of polarization.  Can change
            DOTV, NITER, other parameters.
  VTESS-----Deconvolves multiple images with maximum entropy
            methods.  Can change DOTV, NITER, other parameters.
Tasks which now run too fast for TELL to be really useful:
  ATLOD-----Reads ATCA data in RPFITS format into AIPS.
  FILLM-----Reads VLA on-line/archive format uv data tapes
            (post Jan 88).  It used to be able to read the data as it
            was being recorded and so needed special TELL operations
            to start and stop this.  Now it only reads archived data
            making changing parameters while it runs inadvisable.
Tasks which support QUIT or ABOR operations only:
  MCUBE-----Builds n+1 (or n) dimensional images from sets of
            n-dimensional images.
  M3TAR-----Translate Haystack MKIII VLBI format "A" TAR's into AIPS.
  MK3IN-----Translate Haystack MKIII VLBI format "A" tapes into AIPS.

EXPLAIN SECTION


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