; ANALYSIS ;--------------------------------------------------------------- ;! Information about ANALYSIS ;# INFORMATION GENERAL ;----------------------------------------------------------------------- ;; Copyright (C) 1995-2006, 2008-2010 ;; 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 ;----------------------------------------------------------------------- ;--------------------------------------------------------------- ANALYSIS LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC ---------------------------------------------------------------- List of verbs, adverbs, tasks in category ANALYSIS ACTNOISE puts estimate of actual image uncertainty and zero in header AHIST Task to convert image intensities by adaptive histogram AVOPTION Controls type or range of averaging done by a task BDEPO computes depolarization due to rotation measure gradients BLANK blanks out selected, e.g. non-signal, portions of an image BLSUM sums images over irregular sub-images, displays spectra BSCOR Combines two beam-switched images BSTST Graphical display of solutions to frequency-switched data BWSMEAR amount of bandwidth smearing correction to use COMB combines two images by a variety of mathematical methods CTYPE specifies type of component DOALIGN specifies how two or more images are aligned in computations DOINVERS selects opposite of normal function DOMAX selects solutions for maxima of models DOOUTPUT selects whether output image or whatever is saved / discarded DOPOS selects solutions for positions of model components DOWIDTH selects solution for widths of model components ECOUNT give the highest count or iteration for some process FARS Faraday rotation synthesys based on the brightness vs wavelength FLUX gives a total intensity value for image/component or to limit FMAX specifies peak values of model components - results of fits FPOS specifies pixel positions of fit model components FQUBE collects n-dimensional images into n+1-dimensional FREQID image FWIDTH gives widths of model components - results of fitting GAL Determine parameters from a velocity field GMAX specifies peak values of model components GPOS specifies pixel positions of model components GRBLINK Verb which blinks 2 TV graphics planes GWIDTH gives widths of model components HGEOM interpolates image to different gridding and/or geometry HOLGR Read & process holography visibility data to telescope images IMCENTER returns pixel position of sub-image centroid IMDIST determines spherical distance between two pixels IMEAN displays the mean & extrema and plots histogram of an image IMERG merges images of different spatial resolutions IMFIT fits gaussians to portions of an image IMLIN Fits and removes continuum emission from cube IMMOD adds images of model objects to an image IMSTAT returns statistics of a sub-image IMVAL returns image intensity and coordinate at specified pixel IMVIM plots one image's values against another's IRING integrates intensity / flux in rings / ellipses JMFIT fits gaussians to portions of an image LAYER Task to create an RGB image from multiple images LGEOM regrids images with rotation, shift using interpolation MATHS operates on an image with a choice of mathematical functions MAXFIT returns pixel position and image intensity at a maximum MCUBE collects n-dimensional images into n+1-dimensional image MEDI combines four images by a variety of mathematical methods MFPRT prints MF tables in a format needed by modelling software MINPATCH specifies the minimum size allowed for the center of the beam MOMFT calculates images of moments of a sub-image MOMNT calculates images of moments along x-axis (vel, freq, ch) MWFLT applies linear & non-linear filters to images NGAUSS Number of Gaussians to fit NINER Applies various 3x3 area operaters to an image. NNLSQ Non-Negative-Least-Squares decomposition of spectrum OMFIT Fits sources and, optionally, a self-cal model to uv data OUTTEXT specifies name of output text file, not in regular catalog PBCOR Task to apply or correct an image for a primary beam PRTIM prints image intensities from an MA catalog entry QIMVAL Determines pixel value and coordinate at specified position RM Task to calculate rotation measure and magnetic field RMSD Calculate rms for each pixel using data at the box around the pixel SAD finds and fits Gaussians to portions of an image SCLIM operates on an image with a choice of mathematical functions SERCH Finds line signals in transposed data cube SET1DG Verb to set 1D gaussian fitting initial guesses. SHADO Calculate the shadowing of antennas at the array SLCOL Task to collate slice data and models. SLFIT Task to fit gaussians to slice data. SLICE Task to make a slice file from an image SMOTH Task to smooth a subimage from upto a 7-dim. image SPIXR Fits spectral indexes to each row of an image incl curvature STFUN Task to calculate a structure function image SUMSQ Task to sum the squared pixel values of overlapping, TABGET returns table entry for specified row, column and subscript. TABPUT replaces table entry for specified row, column and subscript. TK1SET Verb to reset 1D gaussian fitting initial guess. TKAGUESS Verb to re-plot slice model guess directly on TEK TKAMODEL Verb to add slice model display directly on TEK TKASLICE Verb to add a slice display on TEK from slice file TKGUESS Verb to display slice model guess directly on TEK TKMODEL Verb to display slice model directly on TEK TKSET Verb to set 1D gaussian fitting initial guesses. TKSLICE Verb to display slice file directly on TEK TKVAL Verb to obtain value under cursor from a slice TKXY Verb to obtain pixel value under cursor TV1SET Verb to reset 1D gaussian fitting initial guess on TV plot. TVAGUESS Verb to re-plot slice model guess directly on TV graphics TVAMODEL Verb to add slice model display directly on TV graphics TVARESID Verb to add slice model residuals directly on TV graphics TVASLICE Verb to add a slice display on TV graphics from slice file TVBLINK Verb which blinks 2 TV planes, can do enhancement also TVCUBE Verb to load a cube into tv channel(s) & run a movie TVDIST determines spherical distance between two pixels on TV screen TVGUESS Verb to display slice model guess directly on TV graphics TVMAXFIT displays fit pixel positions and intensity at maxima on TV TVMODEL Verb to display slice model directly on TV graphics TVRESID Verb to display slice model residuals directly on TV graphics TVSET Verb to set 1D gaussian fitting initial guesses from TV plot. TVSLICE Verb to display slice file directly on TV UVADC Fourier transforms and corrects a model and adds to uv data. UVCON Generate sample UV coverage given a user defined array layout UVFIT Fits source models to uv data. UVHIM Images statistics of uv data files. UVMOD Modify UV database by adding a model incl spectral index UVSEN Determine RMS sidelobe level and brightness sensitivity UVSIM Generate sample UV coverage given a user defined array layout WARP Model warps in Galaxies XBASL Fits and subtracts nth-order baselines from cube (x axis) XGAUS Fits 1-dimensional Gaussians to images XMOM Fits one-dimensional moments to each row of an image