EXTRACT_FLAT

Extract a flatfield from a SCUBA demodulated data file

Description:

This routine extracts the flatfield information from a SCUBA demodulated data file and writes it out in a format suitable for use by CHANGE_FLAT. The full flatfield is extracted: Bolometer positions and relative responsivities.

Usage:

extract_flat in file

Parameters:

IN = NDF (Read)
The name of the NDF containing the demodulated data with the required flatfield.
MSG_FILTER = CHAR (Read)
Message filter level. Allowed values are QUIET, NORM and VERB. Default is NORM. There are no verbose messages.
FILE = FILE (Write)
The name of the ascii file to which the flatfield information will be written

Examples:

extract_flat 19971017_dem_0002 oldflat.dat
This will read the flatfield from 19971017_dem_0002.sdf and write it to a text file

Related Applications

SURF: change_flat, flatfield