[Ifeffit] FW: Data summation - missing groups

[Bruce Ravel]

On 01/27/2016 06:33 AM, Godfrey, Ian wrote:
> Sorry, I’ve just seen that this has already been reported.

Indeed: 
http://millenia.cars.aps.anl.gov/pipermail/ifeffit/2015-November/008320.html

This problem will be fixed whenever the next version of Demeter comes out.

I apologize for the inconvenience in the meantime.

B

> Ian
>
> *From:*Godfrey, Ian
> *Sent:* 27 January 2016 11:21
> *To:* 'XAFS Analysis using Ifeffit' <ifeffit at millenia.cars.aps.anl.gov>
> *Subject:* Data summation - missing groups
>
> Dear All,
>
> When using the data summation tool in Athena (0.9.24 x64 on Win10 Pro)
> the first group in the group list seems to be missing from the dropdown
> showing the potential components of a summation (see attached screenshot).
>
> To reproduce:
>
> 1) Open attached project file and import with “select all” on the import
> dialogue box
>
> 2) Change to data summation window
>
> 3) Try and add the first data group (234) to the summation from the
> dropdown menus. (In the screenshot I’ve changed the default normmu(E) to
> mu(E), but the same behaviour is displayed in both cases.)
>
> On a related note, I’m not sure I fully understand how the data
> summation is different from the merge? Clearly data summation allows you
> more control (arbitrary weighting of groups etc.) and is intended for
> XANES analysis, but is it a fundamentally different procedure or just a
> different interface for the same thing?
>
> Thanks,
>
> Ian
>
> Ian Godfrey
>
> PhD Student,
>
> UCL/JAIST Programme
>
> Industrial Doctorate Centre in Molecular Modelling and Materials Science,
>
> Department of Chemistry,
>
> University College London,
>
> And
>
> School of Materials Science,
>
> Japan Advaned Institute of Science and Technology
>
> i.godfrey at ucl.ac.uk <mailto:i.godfrey at ucl.ac.uk> i.godfrey at jaist.ac.jp
> <mailto:i.godfrey at jaist.ac.jp>
>
> 02076 794864
>
>
>
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-- 
  Bruce Ravel  ------------------------------------ bravel at bnl.gov

  National Institute of Standards and Technology
  Synchrotron Science Group at NSLS-II
  Building 535A
  Upton NY, 11973

  Homepage:    http://bruceravel.github.io/home/
  Software:    https://github.com/bruceravel
  Demeter:     http://bruceravel.github.io/demeter/