13.16 IMAGING

AHIST    Task to convert image intensities by adaptive histogram
ALLOKAY    specifies that initial conditions have been met.
APCLN    Deconvolves images with CLEAN algorithm
APGS    deconvolves image with Gerchberg-Saxton algorithm
APVC    Deconvolves images with van Cittert algorithm
AVOPTION    Controls type or range of averaging done by a task
BCOMP    gives beginning component number for multiple fields
BLC    gives lower-left-corner of selected subimage
BLWUP    Blow up an image by any positive integer factor.
BMAJ    gives major axis size of beam or component
BMIN    gives minor axis size of beam or component
BOX    specifies pixel coordinates of subarrays of an image
BOX2CC    Converts CLBOX in pixels to CCBOX in arc seconds
BOXES    Adds Clean boxes to BOXFILE around sources.
BOXFILE    specifies name of Clean box text file
BPA    gives position angle of major axis of beam or component
BSAVG    Task to do an FFT-weighted sum of beam-switched images
BSCLN    Hogbom Clean on beam-switched difference image
BSGRD    Task to image beam-switched single-dish data
BSMAP    images weak sources with closure phases
CANDY    user-definable (paraform) task to create an AIPS image
CCBOX    specifies pixel coordinates of subarrays of an image
CCEDT    Select CC components in BOXes and above mininum flux.
CCFND    prints the contents of a Clean Components extension file.
CCGAU    Converts point CLEAN components to Gaussians
CCMOD    generates clean components to fit specified source model
CCMRG    sums all clean components at the same pixel
CCRES    Removes or restores a CC file to a map with a gaussian beam.
CELLSIZE    gives the pixel size in physical coordinates
CHKFC    makes images of Clean boxes from Boxfile
CLBOX    specifies subarrays of an image for Clean to search
CMETHOD    specifies the method by which the uv model is computed
CMODEL    specifies the method by which the uv model is computed
COHER    Baseline Phase coherence measurement
CONPL    Plots AIPS gridding convolution functions
CONVL    convolves an image with a gaussian or another image
CUTOFF    specifies a limit below or above which the operation ends
CXCLN    Complex Hogbom CLEAN
CXIMAGR    Grid UV data into a complex image, Fourier transform, Clean
DCONV    deconvolves a gaussian from an image
DECSHIFT    gives Y-coordinate shift of an image center from reference
DELBOX    Verb to delete boxes with TV cursor & graphics display.
DFILEBOX    Verb to delete Clean boxes with TV cursor & write to file
DO3DIMAG    specifies whether uvw’s are reprojected to each field center
DOGRIDCR    selects correction for gridding convolution function
DOOSRO    calibrating amplitude and phase, and imaging VLA data
DRAWBOX    Verb to draw Clean boxes on the display
DTSUM    Task to provide a summary of the contents of a dataset
EVAUV    Subtracts & divides a model into UV data, does statistics on results
FACES    makes images of catalog sources for initial calibration
FACTOR    scales some display or CLEANing process
FETCH    Reads an image from an external text file.
FFT    Takes Fourier Transform of an image or images
FGAUSS    Minimum flux to Clean to by widths of Gaussian models
FILEBOX    Verb to reset Clean boxes with TV cursor & write to file
FILIT    Interactive BOXFILE editing with facet images
FIXBX    converts a BOXFILE to another for input to IMAGR
FLATN    Re-grid multiple fields into one image incl sensitivity
FLDSIZE    specifies size(s) of images to be processed
FLUX    gives a total intensity value for image/component or to limit
FOV    Specifies the field of view
FSHIFT    specifies a position shift - output from fitting routines
FSIZE    file size in Megabytes
GAIN    specifies loop gain for deconvolutions
GUARD    portion of UV plane to receive no data in gridding
HA2TI    Converts data processed by TI2HA (STUFFER) back to real times
HISEQ    task to translate image by histogram equalization
HLPCLEAN    Cleaning tasks - run-time help
HLPSCIMG    Full-featured image plus self-cal loops, editing - run-time help
HLPSCMAP    Imaging plus self-cal and editing SCMAP - run-time help
HOCLN    Task to do a clean of holography images
HOLGR    Read & process holography visibility data to telescope images
HOLOG    Read & process holography visibility data to telescope images
IM2CC    Task to convert an image to multi-facet Clean Components
IM2PARM    Specifes enhancement parameters for OOP-based imaging: 2nd set
IM2UV    converts an image to a visibility data set
IMAGR    Wide-field and/or wide-frequency Cleaning / imaging task.
IMAGRPRM    Specifes enhancement parameters for OOP-based imaging
IMERG    merges images of different spatial resolutions
IMSIZE    specifies number of pixels on X and Y axis of an image
IMTXT    Write an image to an external text file.
INLIST    specifies name of input disk file, usually a source list
LINIMAGE    Build image cube from multi-IF data set
LTESS    makes mosaic images by linear combination
MANDL    creates an image of a subset of the Mandlebrot Set
MAPPR    Simplified access to IMAGR
MASKS    Makes mask image of Clean boxes from boxfile
MAXPIXEL    maximum pixels searched for components in Clark CLEAN
MOD3D    Computes a 3D CC model from a set of facets
MODVF    task to create a warped velocity field
MWFLT    applies linear & non-linear filters to images
NBOXES    Number of boxes
NCCBOX    Number of clean component boxes
NCOMP    Number of CLEAN components
NDIG    Number of digits to display
NFIELD    The number of fields imaged
NMAPS    Number of maps (images) in an operation
NOIFS    makes all IFs into single spectrum
NOISE    estimates the noise in images, noise level cutoff
OBITIMAG    Access to OBIT task Imager without self-cal or peeling
OBITMAP    Simplified access to OBIT task Imager
OBITPEEL    Access to OBIT task Imager with self-cal and peeling
OBITSCAL    Access to OBIT task Imager with self-cal, NOT peeling
OBITVERS    Python version to use with BDF2AIPS and OBIT imaging verbs
OBOXFILE    specifies name of output Clean box text file
ONEBEAM    specifies whether one beam is made for all facets or one for each
ONEFREQ    states that the current CC model was made with one frequency
OOSUB    Subtracts/divides a model from/into a uv data base
OUT2CLAS    The class of a secondary output file
OUT2DISK    The disk number of a secondary output file.
OUT2NAME    The name of a secondary output file.
OUT2SEQ    The sequence of a secondary output file.
OVERLAP    specifies how overlaps are to be handled
OVRSWTCH    specifies when IMAGR switches from OVERLAP = 2 to OVERLAP = 1 mode
PADIM    Task to increase image size by padding with some value
PASTE    Pastes a selected subimage of one image into another.
PATGN    Task to create a user specified test or primary-beam pattern
PBCOR    Task to apply or correct an image for a primary beam
PBPARM    Primary beam parameters
PBSIZE    estimates the primary beam size in interferometer images
PGEOM    Task to transform an image into polar coordinates.
PHASE    Baseline Phase coherence measurement
PHAT    Prussian hat size
PIPEAIPS    calibrating amplitude and phase, and imaging VLA data
PIX2VAL    An image value in the units specified in the header.
PIX2XY    Specifies a pixel in an image
PIXAVG    Average image value
PIXRANGE    Range of pixel values to display
PIXSTD    RMS pixel deviation
PIXVAL    Value of a pixel
PIXXY    Specifies a pixel location.
PRTCC    prints the contents of a Clean Components extension file.
PUTVALUE    Verb to store a pixel value at specified position
QCREATE    adverb controlling the way large files are created
QUANTIZE    Quantization level to use
REBOX    Verb to reset boxes with TV cursor & graphics display.
REGRD    Regrids an image from one co-ordinate frame to another
REMAG    Task to replace magic blanks with a user specified value
RMSD    Calculate rms for each pixel using data in a box around the pixel
ROBUST    Uniform weighting ”robustness” parameter
RSTOR    Restores a Clean component file to a map with a Gaussian beam.
SABOX    create box file from source islands in facet images
SCIMG    Full-featured imaging plus self-calibration loop with editing
SCMAP    Imaging plus self-calibration loop with editing
SDCLN    deconvolves image by Clark and then ”SDI” cleaning methods
SDGRD    Task to select and image random-position single-dish data
SDIMG    Task to select and image random-position single-dish data
SETFC    makes a BOXFILE for input to IMAGR
SHADW    Generates the ”shadowed” representation of an image
SHIFT    specifies a position shift
SIZEFILE    return file size plus estimate of IMAGR work file size
SKEW    Specifies a skew angle
SKYVE    Regrids a DSS image from one co-ordinate frame to another
SMODEL    Source model
SNCUT    Specifies minimum signal-to-noise ratio
SPCOR    Task to correct an image for a primary beam and spectral index
SPECR    Spectral regridding task for UV data
SPFIX    Makes cube from input to and output from SPIXR spectral index
SPIXR    Fits spectral indexes to each row of an image incl curvature
STACK    Task to co-add a set of 2-dimensional images with weighting
STEER    Task which deconvolves the David Steer way.
STESS    Task which finds sensitivity in mosaicing
STFACTOR    scales star display or SDI CLEANing process
STUFFR    averages together data sets in hour angle
SUBIM    Task to select a subimage from up to a 7-dim. image
SUMIM    Task to sum overlapping, sequentially-numbered images
TDEPEND    Time-dependent imaging procedure sequence
TDSCANS    Time-dependent imaging procedure sequence: find intervals
TDSSCAN    Time-dependent imaging procedure sequence: find intervals
TDSTEP3    Time-dependent imaging procedure ”step 3”
TDSTEP5    Time-dependent imaging procedure sequence: later steps
TKBOX    Procedure to set a Clean box with the TK cursor
TKNBOXS    Procedure to set Clean boxes 1 - n with the TK cursor
TRANS    Task to transpose a subimage of an up to 7-dim. image
TRANSCOD    Specified desired transposition of an image
TRC    Specified the top right corner of a subimage
TVBOX    Verb to set boxes with TV cursor & graphics display.
UBAVG    Baseline dependent time averaging of uv data
UTESS    deconvolves images by maximizing emptiness
UVBOX    radius of the smoothing box used for uniform weighting
UVBXFN    type of function used when counting for uniform weighting
UVFRE    Makes one data set have the spectral structure of another
UVIMG    Grid UV data into an ”image”
UVMAP    makes images from calibrated UV data.
UVPOL    modifies UV data to make complex image and beam
UVSIZE    specifies number of pixels on X and Y axes of a UV image
UVSUB    Subtracts/divides a model from/into a uv data base
UVWTFN    Specify weighting function, Uniform or Natural
VLARUN    Calibrating amplitude and phase, and imaging VLA data
VTESS    Deconvolves sets of images by the Maximum Entropy Method
WGAUSS    Widths of Gaussian models (FWHM)
WTSUM    Task to do a a sum of images weighted by other images
XMOM    Fits one-dimensional moments to each row of an image
YPARM    Specifies Y axis convolving function
ZEROSP    Specify how to include zero spacing fluxes in FT of UV data