LSCALE - Wavelength Normalisation and Absorption Correction
Abstract
The program LSCALE is a program for the scaling and normalisation of
raw integrated Laue intensity data to yield fully corrected structure
amplitudes. The wavelength normalisation curve is normally derived
internally from the Laue data using symmetry equivalent data recorded
at different wavelengths. As an alternative, where appropriate,
the normalisation curve may be determined by scaling the Laue data to
a reference e.g. monochromatic set of data. The program also enables a
wavelength and position dependent absorption correction to be calculated.
Harmonic multiples data may be deconvoluted again making use of symmetry
equivalent data recorded at different wavelengths. The program provides
flexibility in the control of the refinement procedure. The refined scaling
parameters are saved for re-use as required. The scaled data may be output
in a number of formats as unmerged or as fully merged data. On completion of
the calculations the program has (optional) graphical output enabling a
series of plots to be produced and examined and, if required, to be saved
in hard copy form on an individual plot basis.
Documentation
A user documentation file
is available in html format. The suite is distributed with a plain
text file equivalent.
Availability
The program is distributed as part of the
Laue Software Suite.
Contact
Quan Hao <:qhao@dmu.ac.uk>
John W. Campbell
CCLRC Daresbury Laboratory
Last update 11 December 1998