[Ifeffit] XAS GUIs

[Webb, Samuel M.]

Hi All...

Just wanted to post this to the audience here.  I've been working on a set of GUIs for XAS preprocessing and fitting and I think they are just about ready for testing by a broader audience.  The first program is SamView and performs basic averaging of scans, energy calibration, deadtime correction and viewing of raw data.  At this point, it is specialized to read only certain file formats, but the capability will be expanded in the future.  Since my focus has been at SSRL recently, it will read binary and ASCII formats from SSRL, as well as from DND-CAT at the APS.  In summary, it is essentially a graphical version of MAVE, MCALIB, and MDEAD for those who have used EXAFSPAK at SSRL.

The second program (SamXAS) is a XAS fitting routine.  It has a GUI interface to IFEFFIT for FEFF fitting of XAS, a linear combination fitting routine for XAS and XANES, and an interface for creating FEFF single scattering paths (if Feff8 is installed on your system).  It also has a fitting routine to account for fluoresence self absorption with out prior knowledge of the sample composition.  

These are all in their infancy, but I'm looking for feedback on how to improve them, with out replicating the magnificnet work of other contributors.  The documentation for both is essentially non-existent, but there are a few sample workspaces and data files included to get you started.  Familiarity with IFEFFIT is definitely a plus.  The programs can be downloaded from www.stanford.edu/~swebb. 

Thanks!

Sam Webb
SSRL

samwebb at slac.stanford.edu