[Ifeffit] Ifeffit Digest, Vol 54, Issue 5

ssanche3 at uiuc.edu ssanche3 at uiuc.edu
Mon Aug 13 12:33:29 CDT 2007


Hello again,

I removed the artemis projects and the autosave file from C:\Program Files\Ifeffit\horae\stash\. The problem still presists. Everytime the window opens to either save a project or open a new data set Artemis crashes. Is there anything else I can do?

Sincerely,
Sergio Sanchez

---- Original message ----
>Date: Mon, 13 Aug 2007 12:00:01 -0500
>From: ifeffit-request at millenia.cars.aps.anl.gov  
>Subject: Ifeffit Digest, Vol 54, Issue 5  
>To: ifeffit at millenia.cars.aps.anl.gov
>
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>Today's Topics:
>
>   1. Re: problems in the current version of Artemis for Windows
>      (scalvin at slc.edu)
>   2. EXAFS Divination Set results (scalvin at slc.edu)
>   3. xanes feff8 sulfur (s440697 at stud.uni-goettingen.de)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Sun, 12 Aug 2007 21:50:30 -0400 (EDT)
>From: scalvin at slc.edu
>Subject: Re: [Ifeffit] problems in the current version of Artemis for
>	Windows
>To: "XAFS Analysis using Ifeffit" <ifeffit at millenia.cars.aps.anl.gov>
>Message-ID: <1443.69.124.51.122.1186969830.squirrel at mail.slc.edu>
>Content-Type: text/plain;charset=iso-8859-1
>
>Hi Bruce (and others, if the spam filter lets this through),
>
>At 10:36 AM 8/1/2007, you wrote:
>
>
>1. The most serious bug is a scenario where Artemis simply hangs when
>   you start it.
>   In the current version, there is bug in the place where Artemis
>   checks for abandoned projects, resulting in the behavior described
>   above.  For now, the work-around is to close the Artemis console
>   window then, using your file manager, look at this folder:
>       C:\Program Files\Ifeffit\horae\stash\
>   In that folder you should find several folders with names like
>       artemis.project.0
>       artemis.project.1
>   and so on.  Toss each of those folders into the recycling bin and
>   try starting Artemis.  It should work now.
>
>I've found that I also have to remove the artemis.autosave file or it
>still won't work. Rather than putting it in the recycle bin, I put it in
>another folder, and then have Artemis open it as if it were a regular
>project. Voila! I can still recover the project...
>
>--Scott Calvin
>Sarah Lawrence College
>
>
>
>
>------------------------------
>
>Message: 2
>Date: Sun, 12 Aug 2007 22:00:56 -0400 (EDT)
>From: scalvin at slc.edu
>Subject: [Ifeffit] EXAFS Divination Set results
>To: "XAFS Analysis using Ifeffit" <ifeffit at millenia.cars.aps.anl.gov>
>Message-ID: <1481.69.124.51.122.1186970456.squirrel at mail.slc.edu>
>Content-Type: text/plain;charset=iso-8859-1
>
>Hi all,
>
>I thought you might want to know about the first results from the "EXAFS
>Divination Set" project I've been plugging. I don't think the results will
>be any surprised to the veterans on this list, but might give novices an
>idea of what's possible.
>
>To briefly recap, my students made up mixtures of various iron compounds
>in various proportions, and then I analyzed them "blind." The idea was to
>see how well XAFS analysis as practiced by an "expert'" can do in that
>kind of case. Unfortunately, unbeknownst to me, the standards were poorly
>prepped (i.e. they were very uneven). So these results show what can be
>done with poor samples. I'm planning a follow-up for this fall using an
>entirely new set of samples and standards prepped as carefully as we can.
>Presumably better samples will generate more accurate results.
>Nonetheless, it's nice to know what can be done under conditions that are
>far from ideal.
>
>The first two samples I analyzed were mixtures of known compounds in
>unknown amounts (iron and hematite in one case; iron, goethite, and
>humboltine in the other). My analysis gave the correct percent composition
>to within 15 percentage points in all cases.
>
>The next four samples were mixtures of two or three compounds from a list
>(iron, hematite, goethite, humboltine, FeO, lepidocrocite, and magnetite).
>I didn't know which compounds were chosen, whether there were two or
>three, and how much of each. In two of the four cases I correctly
>identified the compounds present. In one case I identified two of the
>three compounds, and noted that there might be a third present in a small
>concentration but that I couldn't confirm that; the three compounds proved
>to be present. In the last case I correctly identified the majority
>compound but misidentified the minor contributor. In three cases I found
>the correct percent compositions to within 10 percentage points; the last
>was off badly.
>
>The next three samples involved a compound completely unknown to me mixed
>with one or two compounds known to me. I correctly identified the class of
>the completely unknown compound. In two cases the percent compositions I
>found were correct within 10 percentage points; the other within 16.
>
>The last sample was a mixture of the complete unknown with one or two
>compounds chosen from the list, but without me knowing which ones. As
>already indicated, I correctly identified the class of the complete
>unknown. I also identified one of the two other compounds as definitely
>present and the other as most likely if there were a third compound
>involved. Percent compositions for this sample were not accurate.
>
>You could therefore argue that this shows that bad data yields bad
>results. But I'd tend to look at it another way--even questionable data
>can yield pretty good results. In all cases but one the substances were
>correctly identified (twice provisionally as a possible minor
>contributor), despite the fact that many of the candidate substances are
>structurally similar in that they involve octahedrally coordinated iron.
>Percent compositions were usually good rough guides, although on occasion
>they went astray.
>
>I'll leave these data up at
>
>http://xafs.org/EXAFS_Divination_Set
>
>and let you know when I get the high-quality follow-up project posted...
>
>--Scott Calvin
>Sarah Lawrence College
>
>
>
>------------------------------
>
>Message: 3
>Date: Mon, 13 Aug 2007 13:00:19 +0200 (CEST)
>From: s440697 at stud.uni-goettingen.de
>Subject: [Ifeffit] xanes feff8 sulfur
>To: ifeffit at millenia.cars.aps.anl.gov
>Message-ID:
>	<51243.134.76.41.165.1187002819.squirrel at webmail.stud.uni-goettingen.de>
>	
>Content-Type: text/plain;charset=iso-8859-1
>
>Hello!
>
>Does anybody know a person, who has experience respective the topics
>xanes+feff8 and sulfur K-Edges?
>I would be very thankful for an answer :-)
>
>sincerely yours,
>Eckhard Bosman
>
>
>---------------------------------
>Eckhard Bosman
>e.bosman at stud.uni-goettingen.de
>+49 (0)551-39-14441
>Raum: E0.104
>Institut f?r R?ntgenphysik
>Friedrich-Hund-Platz 1
>37077 G?ttingen
>Germany
>
>
>
>------------------------------
>
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>End of Ifeffit Digest, Vol 54, Issue 5
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