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CHANGE_FLAT - Change the flatfield in a SCUBA datafile

Description:
The flatfield information is stored inside each demodulated data file and this task can be used to change the flatfield that is stored internally. The new flatfield is read from a text file.

Usage:
change_flat in new_flat

Parameters:

IN = NDF (Read)
Name of NDF to change.
MSG_FILTER = CHAR (Read)
Message filter level. Allowed values are QUIET, NORM and VERB. Default is NORM.
NEW_FLAT = CHAR (Read)
Name of the new flatfield file.

Examples:

change_flat test newflat.dat
This will change the flatfield stored in test.sdf to that stored in newflat.dat.

Related Application
SURF: flatfield, scuquick



next up previous 589
Next: CHANGE_NACENTRE - Shift the Nasmyth centre of the array
Up: Complete routine descriptions
Previous: CHANGE_DATA - Set SCUBA data to any value

SURF -- SCUBA User Reduction Facility
Starlink User Note 216
T. Jenness, J. F. Lightfoot
Joint Astronomy Centre, Hilo, Hawaii
3 April 2003
E-mail:ussc@star.rl.ac.uk

Copyright © 1997-2000,2003 Particle Physics and Astronomy Research Council