[Ifeffit] Questions to Bruce

Godfrey, Ian i.godfrey at ucl.ac.uk
Thu Mar 24 17:26:29 CDT 2016

>" How many scans did you try to import? ... There is a memory limit." (Robert)

>"Having said that, this is quite the file for Athena to work with: 100 element Ge detector data with separate columns of FFn, SCA2.n, ICRn, and OCRn for each element n. In my hands (Windows 8.1, 64 bit, Demeter Athena 0.9.24 using Ifeffit backend), I get a Perl interpreter crash if I try to import >50 selected Ge FF columns into a single mu(E), and in any case can only select up to 87 columns." (Erik)

There's a limit to how many datasets Athena can handle at any given time, see:



Ian Godfrey

PhD Student,
UCL/JAIST Programme

Industrial Doctorate Centre in Molecular Modelling and Materials Science,
Department of Chemistry,
University College London,


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

From: Ifeffit [mailto:ifeffit-bounces at millenia.cars.aps.anl.gov] On Behalf Of Robert Gordon
Sent: 23 March 2016 22:57
To: ifeffit at millenia.cars.aps.anl.gov
Subject: Re: [Ifeffit] Questions to Bruce

Hi Dien,

To perhaps forestall a scolding from Bruce, let me point out the following advice on
error reporting:

RE:1. I am able to import multiple scans with reference data. My test was to try 3 scans and
associated reference data. I am using version 0.9.24. How many scans did you try to import?
Is there a problem with one of the scans you tried to import? There is a memory limit.
More information is needed to diagnose the problem you are having. It does not seem to
be a bug in the software. Look for the log file
that may contain information on why the program crashed. What does it say?
"Each of the GUI programs (Athena, Artemis, and Hephaestus) writes its output messages to a log file.
In win 7 to 10, This can be found in C:\Users\<username>\AppData\Roaming\

RE: 2. It opens fine for me. Win10pro x64 system using version 0.9.24 with the SSRL plugin registry
entries selected. Did you activate the SSRLmicro plugin? If I deactivate it, I cannot read the file.

On 3/23/2016 2:51 PM, Dien.Li at srs.gov<mailto:Dien.Li at srs.gov> wrote:
HI, Bruce and Matt

I have two questions for you, please help me.

1. I collected U EXAFS data on APS 10-ID, while I input a single data file with reference data in Athena, it was OK, however, when I input multiple data files (scans) also with reference data, it was crushed. I could input multiple data files without reference data, which Matt helped me trouble shoot. The Demeter 8.24 version is used on my computer, I believe. Matt suggested me to update to the current version. I do not know if other users have this problem.

2. I have a U EXAFS data file which was collected at SSRL, however, I could not input this data file using Athena, how to fix this? format? See the attachment. thanks you so much.

Dien Li, Ph.D.
Environmental Sciences and Biotechnology
Savannah River National Laboratory
Aiken, South Carolina, 29808
Tel: 803-725-7520


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