AIPS Imagr - AIPS++ imager.clean adverbs / parameters ----------------------------------------------------------------------------------------------------- AIPS Imagr | AIPS++ imager.clean Adverbs Comments | tool.function Parameter Comments ------------------------------------------------------------------------------------------------------ INNAME Input UV data (name) imager.constructor ms MS table name INCLASS Input UV data (class) imager.constructor ms MS table name INSEQ Input UV data (seq. #) imager.constructor ms MS table name INDISK Input UV data disk drive # imager.constructor ms MS table name SOURCES Source name imager.setdata fieldid imager.setimage fieldid QUAL Calibrator qualifier -1=>all none CALCODE Calibrator code ' '=>all none TIMERANG Time range to use vlafiller.selecttime start '31Dec00/00:00:00.123' vlafiller.selecttime stop '31-Dec-2000/23:59:59.876' ms.select time SELBAND Bandwidth to select (kHz) SELFREQ Frequency to select (MHz) FREQID Freq. ID to select. imager.setdata spwid Spectral Window ID imager.setimage spwid Spectral Window ID SUBARRAY Sub-array, 0=>all vlafiller.selectsubarray subarray Copies subarray to ms DOCALIB If >0 calibrate data imager.clean Reads only the = 2 calibrate weights CORRECTED_DATA column GAINUSE CL (or SN) table to apply don't know how to use diff cal tables DOPOL If >0.5 correct polarization. BLVER BL table to apply. FLAGVER Flag table version DOBAND If >0.5 apply bandpass cal. Method used depends on value of DOBAND (see HELP file). BPVER Bandpass table version SMOOTH Smoothing function. See can aips++ do spectral smoothing?? HELP SMOOTH for details. STOKES Stokes parameters (see HELP) imager.setimage stokes Stokes parms to image BCHAN Low freq. channel 0 for cont. ECHAN Highest freq channel CHANNEL Restart channel number NPOINTS Number of chan. to average. CHINC Channel incr. between maps. BIF First IF in average. EIF Last IF in average. OUTNAME Output image name (name) imager.clean image Restored image file imager.restore image Restored image file OUTDISK Output image disk drive # none OUTSEQ Output seq. no. none OUTVER CC ver. no (Continuum only) imager.clean model Model comps filename *** SET OUTVER ON RESTARTS IN2NAME UV work file name IN2CLASS UV work file class IN2SEQ UV work file seq *** SET TO KEEP WORK FILE IN2DISK UV work file disk CELLSIZE (X,Y) size of grid in asec imager.setimage cellx Cellsize in x imager.setimage celly Cellsize in y IMSIZE Minimum image size imager.setimage nx Number cells in x imager.setimage ny Number cells in y NFIELD Number of fields (max. 512) imager.setimage facets Number of facets on each axis DO3DIMAG > 0 => use different tangent points for each field FLDSIZE Clean size of each field. imager.advise fieldofview RASHIFT RA shift per field (asec) imager.setimage shiftx Shift in x DECSHIFT DEC shift per field (asec) imager.setimage shifty Shift in y UVTAPER (U,V) Gaussian taper imager.filter type 'gaussian' imager.filter bmaj Major axis of filter imager.filter bmin Minor axis of filter imager.filter bpa Position angle UVRANGE Min & max baseline (klambda) imager.uvrange uvmin Minimum uv dist. imager.uvrange uvmax Maximum uv dist. GUARD x,y guard band fractional nada radius ROTATE Rotate image CCW from N by probably by a glish script ROTATE degrees ZEROSP 0-spacing fluxes and weights imager.feather? or glish script that adds another (zero spacing) row in the measurement set UVWTFN UV dist. weight function imager.weight type Uniform, natural, briggs blank => uniform UVSIZE Array size for doing uniform imager.weight npixels weights. 0 -> actual field size. ROBUST Robustness power: -5 -> pure imager.weight robust Briggs robustness uniform weights, 5 => natural UVBOX Additional rows and columns used in weighting. UVBXFN Box function type when UVBOX > 0. 0 -> 1 round pill box. XTYPE Conv. function type in x imager.setoptions gridfunction 'SF'= Spheriodal default spheroidal 'BOX' = Box-car YTYPE Conv. function type in y imager.setoptions gridfunction 'SF'= Spheriodal default spheroidal 'BOX' = Box-car XPARM Conv. function parms for x YPARM Conv. function parms for y NITER Maximum # of Clean components imager.clean niter Number of Clean iter BCOMP Begin at BCOMP component Specify for each field. ALLOKAY For restart: > 0 => beams okay, > 1 => work file too NBOXES Number of boxes for Clean * Clean boxes set in a variety of ways : NB: field 1 only. * build region on viewer - mask file, CLBOX Four coordinates for each box * glish scripts to set box boundries, BOXFILE Input file of field params * what else.. and Clean boxes; ' ' => use * FLDSIZE, RASHIFT, DECSHIFT, * NBOXES, CLBOX only. * OBOXFILE Output file for final Clean * boxes * GAIN Clean loop gain imager.clean gain Clean loop gain FLUX Minimum Clean component (Jy) imager.clean threshold Flux level to stop Clean MINPATCH Min. BEAM half-width in AP. none BMAJ FWHM(asec) major axis Clean imager.setbeam bmaj restoring beam. BMIN FWHM(asec) minor axis Clean imager.setbeam bmin restoring beam. BPA Clean beam position angle imager.setbeam bpa OVERLAP 1 => restore components to not needed overlapped fields, >=2=> expect overlaps in Cleaning PHAT Prussian hat height. fancy glish script should do it FACTOR Speedup factor see HELP nada CMETHOD Modeling method: imager.setoptions ftmachine 'gridft' only 'DFT','GRID',' ' IMAGRPRM Task enrichment parameters * nothing yet on these guys (1) Antenna diameter (m) * (2) Source Spectral index * (3) Frequency scaling factor * (4) > 0 -> SDI Clean factor * (5) >0 => scale residuals * (6) Half-width in x of box * (7) Half-width in y of box * (8) Filter components whose * neighborhood is weaker than * IMAGRPRM(8) Jy. 0 -> don't * (9) Radius in pixels for the * IMAGRPRM(8) test. * (10) multiplier of image size * to get beam size: 0 => 2; * 2, 1, 0.5 0.25 supported * (11-15) Multi-resolution * added controls * 0 -> no filtering. * NGAUSS Number of resolutions to use AIPS multi-scale clean WGAUSS Resolutions in arc sec >= 0 AIPS multi-scale clean MAXPIXEL Maximum pixels searched in each major cycle. DOTV Display residuals on TV ? needed in aips++ Start with field = DOTV BADDISK Disks to avoid for scratch. not needed