[Ifeffit] Importance and Edge Step
bravel at anl.gov
Tue Jun 7 17:25:45 CDT 2005
On Tuesday 07 June 2005 11:57, Gerrit Schmithals wrote:
> I had an Athena project with some references loaded as chi(k)-data and
> some unknown samples as chi(k) as well. Athena won't let me start the
> Linear Fit-Dialog stating that it (she) needs at least three
> xmu-spectra. Changing the preference to "standard fit in k-space" does
> not help. Workaround: I just loaded some dummy xmu-Spektra and can now
> work with the dialog.
> Also, only these xmu-spectra can be selected from the "standards pluck
> boxes", the only way to insert the chi(k)-references is to use "use
> marked groups". That is a bit of a problem when you have to move one of
> the groups up because its value is negative. Workaround is to move up
> the groups in in Data group section.
Hmm... it seems that I had not done any testing with chi(k) records as
standards. There are several problems. Thanks for pointing this out.
> - Is there any possibility to plot the linear fit and the data in
> R-space right away? (without first saving it as a datagroup)
That can be done. Good idea.
> - It would be nice to be able to store the relative weigths together
> with the newly created dataset.
I don't really understand this. The results of the LCF fit are saved as title
lines for the new data group, but you must be looking for something else.
Bruce Ravel ----------------------------------- bravel at anl.gov -or-
ravel at phys.washington.edu
Environmental Research Division, Building 203, Room E-165
Argonne National Laboratory phone: (1) 630 252 5033
Argonne IL 60439, USA fax: (1) 630 252 9793
My homepage: http://feff.phys.washington.edu/~ravel
EXAFS software: http://feff.phys.washington.edu/~ravel/software/exafs/
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