AIPS HELP file for DOHIST in 31DEC25

As of Wed May 21 20:28:17 2025

HELP SECTION

DOHIST
Type: Adverb  (Logical,  > 0  =>  true)
Use:  True (1) means create a histogram plot file.
      False (-1) means do not create a histogram plot file.
Null value:  false (-1).
Verbs:
   HINOTE........Adds user-generated lines to the history extension
                 file.  DOHIST true means pre-pend HINOTE to history
                 line.
   PUTTHEAD......Inserts a given value into a table keyword/value pair.
                 DOHIST can suppress writing the function to history,
   PUTVALUE......Verb to store a pixel value at specified position.
                 DOHIST can suppress writing the function to history,
   TABPUT........Replaces table entry for specified row, column and
                 subscript.  DOHIST can suppress writing the function to
                 history,
Procedures:
   DOFARS........Procedure to aid in Faraday rotation synthesis using
                 the FARS task.  DOHIST controls how much history is
                 copied.
Tasks:
   AFARS.........Is used after FARS to determine Position and Value of
                 the maximum.  DOHIST controls how much history is
                 copied.
   ATMCA.........Determines delay/phase gradient from calibrator
                 observations.  DOHIST true puts results in history.
   BPEDT.........Interactive TV task to edit uv data based on BP tables.
                 DOHIST true requests flags to be listed in history.
   CALIB.........Determines antenna calibration: complex gain.  DOHIST
                 true requests input file history always to be updated.
   CMPLX.........Combines complex images by a variety of mathematical
                 methods.  DOHIST controls how much history is copied.
   COMB..........Combines two images by a variety of mathematical
                 methods.  DOHIST controls how much history is copied.
   DELZN.........Determines residual atmosphere depth at zenith and
                 clock errors.  DOHIST true puts results in history.
   EDITA.........Interactive TV task to edit uv data based on
                 TY/SY/SN/CL tables.  DOHIST true requests flags to be
                 listed in history.
   EDITR.........Interactive baseline-oriented visibility editor using
                 the TV.  DOHIST true requests flags to be listed in
                 history.
   ELINT.........Determines and removes gain dependence on elevation.
                 DOHIST true puts results in history.
   FARS..........Faraday rotation synthesis based on the brightness vs
                 wavelength.  DOHIST controls how much history is
                 copied.
   FTFLG.........Interactive flagging of UV data in channel-time using
                 the TV.  DOHIST true requests flags to be listed in
                 history.
   HISEQ.........Task to translate image by histogram equalization.
                 DOHIST true causes intensities to be saved in history.
   IBLED.........Interactive BaseLine based visibility EDitor.
                 DOHIST true requests flags to be listed in history.
   IMEAN.........Displays the mean & extrema and plots histogram of an
                 image.  DOHIST requests a plot of the histogram.
   PCEDT.........Interactive TV task to edit pulse-cal (PC) tables.
                 DOHIST true requests flags to be listed in history.
   PCFLG.........Interactive flagging of Pulse-cal data in channel-TB
                 using the TV.  DOHIST true requests flags to be listed
                 in history.
   PDEDT.........Interactive TV task to edit polarization D-term (PD)
                 tables.  DOHIST true requests flags to be listed in
                 history.
   SERCH.........Finds line signals in transposed data cube.  DOHIST
                 controls the display of the histogram.
   SHAHO.........Flags Holography data for shadowing.
   SPFLG.........Interactive flagging of UV data in channel-TB using the
                 TV.  DOHIST true requests flags to be listed in
                 history.
   SPMOD.........Modify UV database by adding a model with spectral
                 lines.  DOHIST true lists source in history.
   TAPLT.........Plots data from a Table extension file.  DOHIST true
                 makes plot into a histogram.
   TVFLG.........Interactive flagging of UV data using the TV.  DOHIST
                 true requests flags to be listed in history.
   UVFLG.........Flags UV-data.  DOHIST true requests flags to be listed
                 in history.
   UVMOD.........Modify UV database by adding a model incl spectral
                 index. DOHIST true lists all components in history.

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