AIPS HELP file for ERROR in 31DEC18
As of Mon Apr 23 23:10:54 2018
HELP SECTION
ERROR
Type: Adverb (scalar)
Use: Was there an error? Also used as an estimate of the uncertainty
in some tasks.
Null value:
none. <= 0 => false, > 0 => true.
or 0 => task-dependent default
Verbs:
CHKNAME.....Checks existence of data set or image by name adverbs
EGETNAME....Gets INNAME et al., setting ERROR true on empty slot.
IMVAL.......Does cubic interpolation of image value; returns ERROR
true if fit failed.
MAXFIT......Finds coordinates and value of an image extremum;
returns ERROR true if fit failed.
QIMVAL......Does cubic interpolation of image value quietly; returns
ERROR true if fit failed.
Procedures:
TVFLUX......Displays coordinates and values selected with the TV
cursor; sets ERROR true if cubic interpolation fails.
TVMAXFIT....Displays fit pixel positions and intensity at maxima on
TV; returns ERROR true if MAXFIT fails on a position.
Tasks:
BSMAP.......Images weak sources with closure phases. ERROR is the
error per unit weight in Jy.
EXPLAIN SECTION