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WELLARD*
This is an ICL procedure which allows a user to interactively select a
region on an image and write it into a spatial descriptor (ARD) text file.
It makes extensive use of the MENU system and hence needs to be used
on an image which has been drawn with a PGPLOT graphics package such
as the 'I' routines. The ARD file produced, may be used in the QUALITY
program to set pixels, within the region specified, to be BAD (or GOOD).
Specify FSEL=YES with one of the QUALITY commands to use this option.
To set the pixels bad you can use the command ARDQUAL.
A common use may be to set the areas underneath the ribs in an XRT image
bad.
In future, it will be possible to use an ARD file in the sorting routines,
e.g. XSORT, to define an area within which to sort data.
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Next: Method Up: Spatial file commands Prev: SETBAD