; IN2SEQ ;--------------------------------------------------------------- ;! specifies the sequence # of the 2nd input image or data base ;# ADVERB CATALOG ;----------------------------------------------------------------------- ;; Copyright (C) 1995, 2020 ;; Associated Universities, Inc. Washington DC, USA. ;; ;; This program is free software; you can redistribute it and/or ;; modify it under the terms of the GNU General Public License as ;; published by the Free Software Foundation; either version 2 of ;; the License, or (at your option) any later version. ;; ;; This program is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details. ;; ;; You should have received a copy of the GNU General Public ;; License along with this program; if not, write to the Free ;; Software Foundation, Inc., 675 Massachusetts Ave, Cambridge, ;; MA 02139, USA. ;; ;; Correspondence concerning AIPS should be addressed as follows: ;; Internet email: aipsmail@nrao.edu. ;; Postal address: AIPS Project Office ;; National Radio Astronomy Observatory ;; 520 Edgemont Road ;; Charlottesville, VA 22903-2475 USA ;----------------------------------------------------------------------- ;--------------------------------------------------------------- IN2SEQ LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC ---------------------------------------------------------------- IN2SEQ Type: Adverb (Real) Use: Data files are stored in AIPS under logical names which have 3 parts: a 12-character "name" field, a 6-character "class" field, and a numeric "sequence number" field. IN2SEQ is used to specify the "sequence number" field for the 2nd of the input data files used by a verb or task. It is used as an integer number between 0 and 9999. Null value: 0 Null value means take the image having the highest sequence number which is consistent with the other adverb name parameters unless explicitly stated otherwise in the Help file for the verb or task. Verbs: CLR2NAME......Clears adverbs specifying the second input image. GET2NAME......Fills 2nd input image name parameters by catalog slot number. IM2HEAD.......Displays the image 2 header contents to terminal, message file. IMDIST........Determines spherical distance between two pixels. Q2HEADER......Verb to summarize the image 2 header: positions at center. Procedures: DOFARS........Procedure to aid in Faraday rotation synthesis using the FARS task. The 2nd image is of U polarization. IMFRING.......Large image delay fitting with IM2CC and OOFRING. The 2nd catalog file is the large image to be broken into facets. IMSCAL........Large image self-cal with IM2CC and OOCAL. The 2nd catalog file is the large image to be broken into facets. OOCAL.........Determines antenna complex gain with frequency-dependent models. The 2nd image is the source model. OOFRING.......Fringe fit data to determine calibration with spectral index options. The 2nd image is the source model. PEELR.........Calibrates interfering sources in multi-facet images. The 2nd image is the Clean map model. TVDIST........Determines spherical distance between two pixels on TV screen. The 2nd image contains the 2nd pixel. VLBABPSS......Computes spectral bandpass correction table. the 2nd image is the Clean model. VLBAMPHC......Applies VLBARUN calibration to additional phase stopping centers. The 2nd data set contains the VLBARUN calibration and flag tables. Tasks: ACFIT.........Determine antenna gains from autocorrelations. The 2nd data set contains the template. AFARS.........Is used after FARS to determine Position and Value of the maximum. The 2nd image is the imaginary part or phase. APCLN.........Deconvolves images with CLEAN algorithm. The 2nd image is the dirty beam, APGS..........Deconvolves image with Gerchberg-Saxton algorithm. The 2nd image is the dirty beam, APVC..........Deconvolves images with van Cittert algorithm. The 2nd image is the dirty beam, BDAPL.........Applies a BD table to another data set. The 2nd data set is the one with the BD table. BDEPO.........Computes depolarization due to rotation measure gradients. The 2nd image is of the y-axis RN gradient. BLANK.........Blanks out selected, e.g. non-signal, portions of an image. The 2nd image contains the clip levels. BLCAL.........Compute closure offset corrections. The 2nd image is the Clean model image. BLCHN.........Compute closure offset corrections on a channel-by-channel basis. The 2nd image is the Clean model image. BLING.........Find residual rate and delay on individual baselines. The 2nd image is the Clean model image. BLSUM.........Sums images over irregular sub-images, displays spectra. The 2nd image is the blotch image. BPASS.........Computes spectral bandpass correction table. The 2nd image is the Clean model image. BSAVG.........Task to do an FFT-weighted sum of beam-switched images. IN2SEQ gives highest input image sequence number. BSCLN.........Hogbom Clean on beam-switched difference image. The 2nd image is of the minus switch position. BSCOR.........Combines two beam-switched images. The 2nd image is of the minus switch position. CALIB.........Determines antenna calibration: complex gain. The 2nd image is the Clean model image. CAPLT.........Plots closure amplitude and model from CC file. The 2nd image is the Clean model image. CCRES.........Removes or restores a CC file to a map with a gaussian beam. The 2nd image is the image with the Clean components. CLPLT.........Plots closure phase and model from CC file. The 2nd image is the Clean model image. COMB..........Combines two images by a variety of mathematical methods. CONVL.........Convolves an image with a gaussian or another image. The 2nd image is the convolving image. CPASS.........Computes polynomial spectral bandpass correction table. The 2nd image is the Clean model image. CXCLN.........Complex Hogbom CLEAN. The 2nd image is of the dirty beam. DBAPP.........Appends one or more data sets to the output data set. IN2SEQ gives highest input data set sequence number. DBCON.........Concatenates two UV data sets. DCONV.........Deconvolves a gaussian from an image. The 2nd image is of weights. DIFUV.........Outputs the difference of two matching input uv data sets. EDITR.........Interactive baseline-oriented visibility editor using the TV. The 2nd data set is displayed for comparison purposes only and is optional. EVAUV.........Subtracts & divides a model into UV data, does statistics on results. The 2nd image is the Clean model image. FARS..........Faraday rotation synthesis based on the brightness vs wavelength. The 2nd image is of U polarization. FQUBE.........Collects n-dimensional images into n+1-dimensional FREQID image. IN2SEQ gives highest input image sequence number. FFT...........Takes Fourier Transform of an image or images. The 2nd image is the imaginary part. FIXAL.........Least squares fit aliasing function and remove. The 2nd data set contains calibration information. FRCAL.........Faraday rotation self calibration task. The 2nd image is the Clean model image. FRING.........Fringe fit data to determine antenna calibration, delay, rate. The 2nd image is the Clean model image. FTFLG.........Interactive flagging of UV data in channel-time using the TV. The 2nd file is the work file. GAL...........Determine parameters from a velocity field. The 2nd image is of weights. GREYS.........Plots images as contours over multi-level grey. The 2nd image is used for contouring. HGEOM.........Interpolates image to different gridding and/or geometry. The 2nd image is the template for regridding the 1st. HUINT.........Make RGB image from images of intensity & hue, like TVHUEINT. The 2nd image is of hue. IBLED.........Interactive BaseLine based visibility EDitor. The 2nd file is the work file. IMAGR.........Wide-field and/or wide-frequency Cleaning / imaging task. The 2nd data set is the work file. IMERG.........Merges images of different spatial resolutions. The 2nd image is the low resolution one. IMLHS.........Converts images to luminosity/hue TV display. The 2nd image is of hue. IMVIM.........Plots one image's values against another's. The 2nd image values control the Y values. KNTR..........Make a contour/grey plot file from an image w multiple panels. The 2nd image may be used for contours, grey scale, or as a polarization cutoff (I pol). KRING.........Fringe fit data to determine antenna calibration, delay, rate. The 2nd image is the Clean model image. LPCAL.........Determines instrumental polarization for UV data. The 2nd image is the Clean model image. MATCH.........Changes antenna, source, FQ numbers to match a data set. The 2nd data set defines the source, FQ, and antenna numbers to be put in the 1st data set. MCUBE.........Collects n-dimensional images into n+1-dimensional image. IN2SEQ is the highest sequence number included. MEDI..........Combines four images by a variety of mathematical methods. MOD3D.........Computes a 3D CC model from a set of facets. The 2nd image is the multi-facet Clean model. MODIM.........Adds images of model objects to image cubes in IQU polarization. The 2nd image is of Q polarization. MODSP.........Adds images of model objects to image cubes in I/V polarization. The 2nd image is of V polarization. MOMFT.........Calculates images of moments of a sub-image. The 2nd image is the dirty beam. OFUDG.........Modifies UV data with user's algorithm no cal adverbs: paraform task. OHGEO.........Geometric interpolation with correction for 3-D effects. The 2nd image is the template for regridding the 1st. OOSUB.........Subtracts/divides a model from/into a uv data base. The 2nd image is the Clean model. PANEL.........Convert HOLOG output to panel adjustment table. The 2nd image is the mask image. PASTE.........Pastes a selected subimage of one image into another. The 2nd image is pasted into the first. PCAL..........Determines instrumental polarization for UV data. The 2nd image is the Clean model. PCFLG.........Interactive flagging of Pulse-cal data in channel-TB using the TV. The 2nd file is the work file. PCNTR.........Generate plot file with contours plus polarization vectors. The 2nd image is of polarization intensity. PDPLT.........Plots selected contents of PD tables. PLAYR.........Task to load one or two images and play with them on the TV. PPAPP.........Applies Right minus Left phase difference to a 2nd data set. The 2nd data set contains the PP file to apply. QUFIX.........Determines Right minus Left phase difference, corrects cal files. The 2nd image is a well-calibrated spectral and polarization cube. QUXTR.........Extracts text files from Q,U cubes for input to TARS. The 2nd image is of U polarization. RFARS.........Correct Q/U cubes for Faraday rotation synthesis results. The 2nd image is of U polarization. RLCAL.........Determines instrumental right-left phase versus time (a self-cal). The 2nd image is a Clean model. RM............Task to calculate rotation measure and magnetic field. The 2nd image is of noise. RM2PL.........Plots spectrum of a pixel with RMFIT fit. The 2nd image is of U polarization. RMFIT.........Fits 1-dimensional polarization spectrum to Q/U cube. The 2nd image is of U polarization. RSTOR.........Restores a Clean component file to a map with a Gaussian beam. The 2nd image has the Clean components to be restored to the 1st image. SAD...........Finds and fits Gaussians to portions of an image. The 2nd image is of the noise (rms). SDCLN.........Deconvolves image by Clark and then "SDI" cleaning methods. The 2nd image is of the dirty beam. SDMOD.........Modifies single-dish UV data with model sources. The 2nd image is of the model. SPCOR.........Task to correct an image for a primary beam and spectral index. The 2nd image is of spectral index. SPFIX.........Makes cube from input to and output from SPIXR spectral index. The 2nd images are the outputs from SPIXR. SPFLG.........Interactive flagging of UV data in channel-TB using the TV. The 2nd file is the work file. STACK.........Task to co-add a set of 2-dimensional images with weighting. IN2SEQ is the highest sequence number included. STEER.........Task which deconvolves the David Steer way. The 2nd imager is of the dirty beam. SUMIM.........Task to sum overlapping, sequentially-numbered images. IN2SEQ is the highest sequence number included. SUMSQ.........Task to sum the squared pixel values of overlapping,. IN2SEQ is the highest sequence number included. TADIF.........Prints differences between two table-format extension files. TBDIF.........Compare entries in two tables. TRUEP.........Determines true antenna polarization from special data sets. The 2nd data set is of visibilities with a feed having been rotated. TVFLG.........Interactive flagging of UV data using the TV. The 2nd file is the work file. TVHUI.........Make TV image from images of intensity, hue, saturation. The 2nd image is of hue. TVIEW.........Display image cube in all 3 transpositions with rotation & reference. The 2nd image is the "reference" TVRGB.........Make TV image from images of true color (RGB) images. The 2nd image is of green. TVSAD.........Finds and fits Gaussians to portions of an image with interaction. The 2nd image is of noise (rms). TVSPC.........Display images and spectra from a cube. The 2nd image is of the transposed cube. UTESS.........Deconvolves images by maximizing emptiness. The 2nd image is of the dirty beam. UVADC.........Fourier transforms and corrects a model and adds to uv data. The 2nd image is of the Clean model. UVADD.........Combines two matching uv data sets. UVCON.........Generate sample UV coverage given a user defined array layout. The 2nd image is of the model. UVDI1.........Subtract UV data (averaged up to one time) from the other UV data. The 2nd data set is averaged over all times and then subtracted from the first. UVDIF.........Prints differences between two UV data sets. UVFRE.........Makes one data set have the spectral structure of another. The 2nd data set defines the desired spectral structure. UVGLU.........Glues UV data frequency blocks back together. UVMTH.........Averages one data set and applies it to another. The 2nd data set has the averaged 1st data set applied to it. UVSUB.........Subtracts/divides a model from/into a uv data base. The 2nd image is the Clean model. VBGLU.........Glues together data from multiple passes thru the VLBA corr. VLABP.........VLA antenna beam polarization correction for snapshot images. The 2nd image is of the antenna fractional polarization. VPLOT.........Plots uv data and model from CC file. The 2nd image is of a Clean model. VTESS.........Deconvolves sets of images by the Maximum Entropy Method. The 2nd image is of the dirty beam. WARP..........Model warps in Galaxies. WTSUM.........Task to do a a sum of images weighted by other images. The 2nd image is the single image to be added. If IN2NAME is blank the INSEQ to IN2SEQ are added. XG2PL.........Plots spectrum of a pixel with XGAUS/AGAUS and ZEMAN/ZAMAN fits. The 2nd image is of V polarization. ZAMAN.........Fits 1-dimensional Zeeman model to absorption-line data. The 2nd image is of I polarization. ZEMAN.........Fits 1-dimensional Zeeman model to data. The 2nd image is of I polarization. ----------------------------------------------------------------