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where (in the most general case, see details for specific Keywords)
is the the name of an internal buffer to be plotted (BEAM, CCT, CLEAN, DIRTY,
FIELDS, MASK, etc.. ), or any Sic Image variable, or a file name.
[DISPLAY\]VIEW ?
will list the names of recognized keywords. If Variable is not one of the recognized keywords, but an existing Image variable, this image will be displayed.
FirstPlane and LastPlane
are optional arguments to restrict the range of
channels to be plotted (default: planes between variables FIRST
and LAST). If only FirstPlane is specified, SHOW only that plane.
VIEW is also controlled by a set of variables, available in the View% global structure. VIEW shows 4 (or 6) panels, representing the Integrated area, the current channel, and the Integrated spectrum and the current spectrul (in possibly 2 different scales). An interactive control of the View is possible using the cursor, unless the /NOPAUSE option is given.
The spectral panels can display line identifications based on the current CATALOG. If a variable REDSHIFT exists, the frequency scale is corrected for the source Redshift, so that line identification remains possible.