AIPS HELP file for NFIELD in 31DEC22
As of Wed Jan 19 13:03:30 2022
Type: Adverb (Real)
Use: The number of fields associated with a verb, task, or adverb.
Up to 64 are allowed in normal imaging tasks without use of a
BOXFILE. IMAGR has a limit of 4096 with a BOXFILE.
NFIELD is normally not used in the presence of a BOXFILE.
Null value: 0
Null value is usually assigned 1.
BOXES.......Adds Clean boxes to BOXFILE around sources from a list.
CHKFC.......Makes images of Clean boxes from Boxfile.
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.
NFIELD is the maximum number of facets per pointing.
IMAGR.......Wide-field and/or wide-frequency Cleaning / imaging task.
SABOX.......Create box file from source islands in facet images.
SCIMG.......Full-featured imaging plus self-calibration loop with
SETFC.......Makes a BOXFILE for input to IMAGR. NFIELD is an output
DFILEBOX....Verb to delete Clean boxes with TV cursor & write to
DRAWBOX.....Verb to draw Clean boxes on the display. NFIELD is the
facet number to attach to the boxes.
FILEBOX.....Verb to reset Clean boxes with TV cursor & write to file.
NFIELD is the facet number to attach to the boxes.
LINIMAGE....Build image cube from multi-IF data set. FLDSIZE passed
MAPPR.......Simplified access to IMAGR.
PEELR.......Calibrates interfering sources in multi-facet imges.