AIPS HELP file for DPARM in 31DEC25

As of Tue Jul 1 19:29:50 2025

HELP SECTION

DPARM
Type: Adverb   (Real(10))
Use:  A general adverb which contains ten elements as parameters to some
      process.  Read the help files closely to set the parameters.
Null value:  Usually 0.
Procedures:
   CXIMAGR.......Grid UV data into a complex image, Fourier transform,
                 Clean.
   FXALIAS.......Least squares fit aliasing function and remove.
   IMFRING.......Large image delay fitting with IM2CC and OOFRING.
   OOFRING.......Fringe fit data to determine calibration with spectral
                 index options.
   VLBAFRGP......Fringe fit phase referenced data and apply calibration.
   VLBAFRNG......Fringe fit data and apply calibration.
   VLBAWIDE......Calibrates all VLA wide-band autocorrelations with
                 VLBARFI.  DPARM gives number of files per band.
Tasks:
   ATLOD.........Reads ATCA data in RPFITS dormat into AIPS.
   BLANK.........Blanks out selected, e.g. non-signal, portions of an
                 image.
   BLING.........Find residual rate and delay on individual baselines.
   BSCLN.........Hogbom Clean on beam-switched difference image.
   BSCOR.........Combines two beam-switched images.
   BSGRD.........Task to image beam-switched single-dish data.
   BSTST.........Graphical display of solutions to frequency-switched
                 data.
   CANDY.........User-definable (paraform) task to create an AIPS image.
   CL2HF.........Convert CL table to HF table.
   CONFI.........Optimize array configuration by minimum side lobes.
   CUBIT.........Model a galaxy's density and velocity distribution from
                 full cube.
   DTCHK.........Task to check results of a test using simulated data.
   DTSIM.........Generate fake UV data.
   ELINT.........Determines and removes gain dependence on elevation.
   EVASN.........Evaluates statistics in SN/CL tables.
   FILLM.........Reads VLA on-line/archive format uv data tapes
                 (post Jan 88).
   FILLR.........Reads old VLA on-line-system tapes into AIPS.
   FIXAL.........Least squares fit aliasing function and remove.
   FLAGR.........Edit data based on internal RMS, amplitudes, weights.
   FRING.........Fringe fit data to determine antenna calibration,
                 delay, rate.
   FTFLG.........Interactive flagging of UV data in channel-time using
                 the TV.
   GAL...........Determine parameters from a velocity field.
   GLENS.........Models galaxy gravitational lens acting on 3 component
                 source.
   HOLGR.........Read & process holography visibility data to telescope
                 images.
   HOLOG.........Read & process holography visibility data to telescope
                 images.
   HUINT.........Make RGB image from images of intensity & hue, like
                 TVHUEINT.
   IBLED.........Interactive BaseLine based visibility EDitor.
   IMVIM.........Plots one image's values against another's.
   LAYER.........Task to create an RGB image from multiple images.
   LISPX.........Fits spectral indexes to a list of spectra, allows
                 interactive edit.
   LISTR.........Prints contents of UV data sets and assoc. calibration
                 tables.
   LOCIT.........Fits antenna locations from SN-table data.
   LWPLA.........Translates plot file(s) to a PostScript printer or
                 file.
   MWFLT.........Applies linear & non-linear filters to images.
   NINER.........Applies various 3x3 area operaters to an image.
   OMFIT.........Fits sources and, optionally, a self-cal model to uv
                 data.
   PCAL..........Determines instrumental polarization for UV data.
   PDPLT.........Plots selected contents of PD tables.
   PEEK..........Fits pointing model function to output from the VLA.
   PRTSY.........Task to print statistics from the SY table.
   PRTUV.........Prints contents of a visibility (UV) data set.
   SAD...........Finds and fits Gaussians to portions of an image.
   SDVEL.........Shifts spectral-line single-dish data to a given
                 velocity.
   SHOUV.........Displays uv data in various ways.
   SNFLG.........Writes flagging info based on the contents of SN files.
   SPFLG.........Interactive flagging of UV data in channel-TB using the
                 TV.
   SPIXR.........Fits spectral indexes to each row of an image incl
                 curvature.
   SQASH.........Task to collapse several planes in a cube into one
                 plane or row.
   STRAN.........Task compares ST tables, find image coordinates (e.g.
                 guide star ).
   SUMSQ.........Task to sum the squared pixel values of overlapping,.
   TAFFY.........User definable task to operate on an image.
   TAMRG.........Task to merge table rows under specified conditions.
   TVFLG.........Interactive flagging of UV data using the TV.
   TVHUI.........Make TV image from images of intensity, hue,
                 saturation.
   TVRGB.........Make TV image from images of true color (RGB) images.
   TVSAD.........Finds and fits Gaussians to portions of an image with
                 interaction.
   TVSPX.........Fits spectral indexes to each image row, allows
                 interactive edit.
   UVHOL.........Prints holography data from a UV data base with
                 calibration.
   UVIMG.........Grid UV data into an "image".
   UVMOD.........Modify UV database by adding a model incl spectral
                 index.
   UVPRT.........Prints data from a UV data base with calibration.
   VTEST.........Measures velocity discrepancy across fields.
   XSMTH.........Smooth data along the x axis.

EXPLAIN SECTION