October 2012 - Ifeffit - millenia.cars.aps.anl.gov

Fwd: Re: Use of feff8 with D-artemis?
by Bruce Ravel 20 Feb '13

20 Feb '13

On Thursday, July 12, 2012 05:31:19 PM you wrote: > > I wonder why the new Artemis (from Demeter) is limited to feff6 or feff7 as > the old ifeffit can deals with feff8 and feff9. > > Is it a wish? When you published data using feff7, the reviewers first note > that you should have used more actual version. I would challenge a reviewer to come up with a reliable study demonstrating that Feff8 or Feff9 provides a statistically significant improvement to EXAFS analysis. Obviously, I am not saying that full multiple scattering, self-consistency, and the various potential improvements in Feff9 are not relevant to XANES calculations or to Feff's treatment of other spectroscopies. What I am saying is that it has not been rigorously demonstrated that those things have an impact on the calculation of the extended EXAFS such that the analysis is improved in a statistically meaningful way. In short, I find that such arguments from reviewers boil down to "Feff8 is 33% better than Feff6 because 8 is 33% bigger than 6!" > Is it planned that D-Artemis will work with feff8 too? > > I am using the other programs of Demeter but still have to stick to the old > Artemis as none of my files can be read by D-Artemis (always error due to > feff8 or feff9 files by importing old project) That said, there is no good reason that artemis should not be able to use Feff8 or 9 if you want to do so. I suppose that laziness is the best explanation for why it doesn't yet. The Atoms portion of Demeter writes Feff8 files. The Atoms portion of Artemis simply has the line of code for using that part of Demeter commented out. That's trivial to fix. Getting Demeter to use Feff8 instead of Feff6 is not a lot of work, but it is also not a trivial amount of work. I will put this at the top of my to do list. Given that I will soon be leaving for conferences in distant places on the globe, I probably won't be able to release a version of Demeter that uses Feff8 effectively until Spetember. B -- Bruce Ravel ------------------------------------ bravel(a)bnl.gov National Institute of Standards and Technology Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2 Building 535A Upton NY, 11973 Homepage: http://xafs.org/BruceRavel Software: https://github.com/bruceravel ----------------------------------------- -- Bruce Ravel ------------------------------------ bravel(a)bnl.gov National Institute of Standards and Technology Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2 Building 535A Upton NY, 11973 Homepage: http://xafs.org/BruceRavel Software: https://github.com/bruceravel

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Help: some operation using Athena and Artemis
by Bingjie Ouyang 26 Nov '12

26 Nov '12

Hi, I just joined the mailing list recommended by a friend, I hear this is a really good place to communicate and learn. So I'm here, actually I need help for some basic questions on Iffeffit software: 1, In Athena, how to make a fourier transform draft? 2, In Artemis, since I was told that each shell in R-space can be fitted separatly, is it OK to fit each shell in the R-range respectively, and then join up the fitted curve and just ignore the not match part in other R-ranges? And can a shell be comprised of several different paths (like Fe-O and Fe-S)? Thank you. Best wishes, Bingjie -- Bingjie Ouyang School of Earth Sciences and Engineering Nanjing University 22nd Hankou Road, Nanjing, Jiangsu, 210093 P. R. China Email: jessicaoy89(a)gmail.com

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Plot multiple fits in (D)Artemis and statistical errors
by Nilmar Camilo 26 Nov '12

26 Nov '12

Dear Bruce, I am new in the list and really don't know if the points raised below were already discussed. In the (D)Artemis (Demeter version 0.9.13) how may I: - Plot different fits with the experimental data (to visually compare the results) - I don't know if this is a (new) bug of the program but when I try to restore a fit the program closes. In the log file the following line is written: "Can't use an undefined value as a HASH reference at C:/Strawberry/perl/site/lib/Demeter/Fit.pm line 1558." Obs.: I am running Demeter in Windows 7 (Pro). Another problem is related to the statistical errors when constraining the S0^2 parameter to float between two limits. The program doesn't return the error for all others parameters (but just zero as the error value) as you can see below: guess parameters: amp = 0.79284158 # +/- 0.00000000 [0.95] enot = 5.29826510 # +/- 0.00000000 [0] delrIn11 = 0.00235278 # +/- 0.00000000 [0] ssIn11 = 0.00155959 # +/- 0.00000000 [0.00300] delrCe1 = -0.00231455 # +/- 0.00000000 [0] ssCe1 = 0.00192778 # +/- 0.00000000 [0.00300] delrIn11In11 = 0.02070081 # +/- 0.00000000 [0] delrIr1 = -0.00435502 # +/- 0.00000000 [0] ssIr1 = 0.00386517 # +/- 0.00000000 [0.00300] delrIn31 = 0.00648507 # +/- 0.00000000 [0] ssIn31 = 0.00669602 # +/- 0.00000000 [0.00300] delrIn12 = 0.00255704 # +/- 0.00000000 [0] ssIn12 = 0.00305432 # +/- 0.00000000 [0.00300] def parameters: b = 0.80000000 # [min(max(0.8,amp),1.0)] Thanks so much in advance. Nilmar

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Mac user
by Elena Mejia Likosova 30 Oct '12

30 Oct '12

Hi, I've been trying to download the IFEFFIT Mac version for my snow Leopard Mac. However, Athena doesn't work. Only Artemis seems to work. Do you have any new compatible version for my computer? Thanks, Elena Mejia Likosova PhD Student Advanced Water Management Centre at the University of Queensland Brisbane-Australia email: e.mejialikosova(a)uq.edu.au

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Linear combination fitting without normalization
by Stummelfinger 27 Oct '12

27 Oct '12

Hi there, Is there a way to do Linear combination fitting in Athena with data which were already proceeded (background corrected and normalized)? I don't want to do a double background correction /normalization on these data. However the Linear Combination Fitting dialog gives only the option "Norm(E)". Is there a work around? Thanks a lot, Cheers, Jan

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"deglitch many points" in D-Athena
by Jeremy Thorbahn 25 Oct '12

25 Oct '12

Hi Bruce, I noticed on the github to-do list you've written "plot margin lines for deglitching, deglitch many points" under the "weird stuff" section. just for clarification, is that to say that the deglitch many points feature is something you'd prefer not to implement? I attempted to use it earlier but noticed it was greyed out. I can get by without it, but would probably end up swapping project files between the old Athena and D-Athena to eliminate a few points of high-k glitching at once. The main point of my question: is this not a feature many people use? It seems awfully convenient to quickly tidy up data. Thanks as always, Jeremy -- ------------------------- Jeremy Thorbahn thorbahn(a)gmail.com

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command window
by Ravel, Bruce 24 Oct '12

24 Oct '12

> I am a beginner for xafs analysis. I installed the Demeter on my laptop. I found there was always a black command widow when I start > athena or artermis. If I close that window, the program was also closed. My operation system is windows 7. Why? A man walks into his doctor's office and says "Doctor! Doctor! It really hurts when I laugh! What should I do?" The doctor calmly responds, "Stop laughing." I haven't yet figured out how to reliably keep the pipe between my code and the plotting program open without an active command window. While I am sure that a solution exists, I have to prioritize my efforts. The presence of the command window just isn't a show-stopping problem. Have you tried ... ummm .... not closing the command window? B

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Re: [Ifeffit] Ifeffit Digest, Vol 116, Issue 13
by Tsuei, Ku-Ding 24 Oct '12

24 Oct '12

Thanks a lot, Bruce. I checked your new version 0.9.13.1 on my computers and both yield good fits. Now I can move on to work on real data. Ku-Ding On 2012/10/23 下午 06:24, ifeffit-request(a)millenia.cars.aps.anl.gov wrote: > Send Ifeffit mailing list submissions to > ifeffit(a)millenia.cars.aps.anl.gov > > To subscribe or unsubscribe via the World Wide Web, visit > http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit > or, via email, send a message with subject or body 'help' to > ifeffit-request(a)millenia.cars.aps.anl.gov > > You can reach the person managing the list at > ifeffit-owner(a)millenia.cars.aps.anl.gov > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Ifeffit digest..." > > > Today's Topics: > > 1. Re: Running (D)Artemis yields different result from that > shown in (D)Artemis instruction videos (Bruce Ravel) > 2. release 0.9.13.1 (Bruce Ravel) > 3. DORIS III operation ended (Edmund Welter) > 4. Re: DORIS III operation ended (Voegelin, Andreas) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 22 Oct 2012 16:12:43 -0400 > From: Bruce Ravel <bravel(a)bnl.gov> > To: XAFS Analysis using Ifeffit <ifeffit(a)millenia.cars.aps.anl.gov> > Subject: Re: [Ifeffit] Running (D)Artemis yields different result from > that shown in (D)Artemis instruction videos > Message-ID: <3508041.vaaWmxvES8(a)lachesis.bnl.gov> > Content-Type: text/plain; charset="utf-8" > > > OK, you've convinced me. > > When I got into the lab this afternoon, I tried the same fit on a > Windows computer. Much to my surprise, the result on Windows was > quite different from the result on my linux computers at home. > > After a few hours of investigation, I found a problem in how Ifeffit > had been compiled on the Windows machine that I use to build the > Windows installer. > > I was able to come up with a short-term solution and then built a new > installer package for 0.9.13 which i think works correctly. > > I will be announcing a new release shortly. > > B > > > > On Monday, October 22, 2012 06:41:26 AM Tsuei, Ku-Ding wrote: >> Bruce, >> >> Perhaps you noticed the "Fit color" was red (large R-factor 0.074496, >> poor fit, also seen in the attached figure in the last email) when you >> loaded in the project file I sent you. When you hit Fit button again the >> "Fit color" might turn to green indicating good fit as shown in your >> result of a much smaller R-factor (0.004265). >> >> I did the following test on various versions of Demeter on my desktop >> and notebook computers both installed with Windows 7 SP1. Of course I >> uninstalled one version first before installing another. I tried to use >> Uninstall within the Program menu or use the Program manager. I tried to >> reboot or not to reboot after uninstallation or installation. Neither >> shows any difference. >> >> Fit color >> 0.9.10 green >> 0.9.11 red >> 0.9.12 red >> 0.9.13 red >> >> Only version 0.9.10 yields good fit. The latter versions would not give >> good fits even with repeated hitting the "Fit" button. I have no idea >> what causes these results but perhaps this observation provides a clue. >> >> Ku-Ding >> >> On 2012/10/22 ?? 01:00, ifeffit-request(a)millenia.cars.aps.anl.gov wrote: >>> Send Ifeffit mailing list submissions to >>> >>> ifeffit(a)millenia.cars.aps.anl.gov >>> >>> To subscribe or unsubscribe via the World Wide Web, visit >>> >>> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit >>> >>> or, via email, send a message with subject or body 'help' to >>> >>> ifeffit-request(a)millenia.cars.aps.anl.gov >>> >>> You can reach the person managing the list at >>> >>> ifeffit-owner(a)millenia.cars.aps.anl.gov >>> >>> When replying, please edit your Subject line so it is more specific >>> than "Re: Contents of Ifeffit digest..." >>> >>> Today's Topics: >>> 1. Re: Running (D)Artemis yields different result from that >>> >>> shown in (D)Artemis instruction videos (Ravel, Bruce) >>> >>> ---------------------------------------------------------------------- >>> >>> Message: 1 >>> Date: Sun, 21 Oct 2012 12:36:10 +0000 >>> From: "Ravel, Bruce"<bravel(a)bnl.gov> >>> To: XAFS Analysis using Ifeffit<ifeffit(a)millenia.cars.aps.anl.gov> >>> Subject: Re: [Ifeffit] Running (D)Artemis yields different result from >>> >>> that shown in (D)Artemis instruction videos >>> >>> Message-ID: >>> <47CED3CD722C2A439C0D1D1056B2132517C3B082(a)EX10-MB1.BNL.GOV> >>> >>> Content-Type: text/plain; charset="us-ascii" >>> >>> >>> Ku-Ding, >>> >>> I don't know what to tell you. On the computer I am sitting in front of >>> right now, I opened your two project files and hit the fit buttons, I get >>> the same fit with only numerical differences. Here I am cutting and >>> pasting from the two log files:> >>> old artemis: >>> Chi-square = 4334.684537717 >>> Reduced Chi-square = 691.819976095 >>> R-factor = 0.004250325 >>> >>> amp = 0.8649100 +/- 0.0412220 (1.0000) >>> enot = 5.6049380 +/- 0.2950270 (0.0000) >>> delr = -0.0226780 +/- 0.0023790 (0.0000) >>> ss = 0.0082230 +/- 0.0003250 (0.0030) >>> >>> new artemis: >>> Chi-square : 4348.7359268 >>> Reduced chi-square : 694.0625918 >>> R-factor : 0.0042652 >>> >>> amp = 0.86526150 # +/- 0.04129645 [1.00000] >>> enot = 5.61081742 # +/- 0.29527844 [0] >>> delr = -0.02266589 # +/- 0.00238341 [0] >>> ss = 0.00822546 # +/- 0.00032571 [0.00300] >>> >>> I don't acknowledge that there is a problem. >>> >>> B >>> >>> >>> ________________________________________ >>> From:ifeffit-bounces@millenia.cars.aps.anl.gov >>> [ifeffit-bounces(a)millenia.cars.aps.anl.gov] on behalf of Tsuei, Ku-Ding >>> [tsuei(a)nsrrc.org.tw] Sent: Thursday, October 18, 2012 1:15 PM >>> To:ifeffit@millenia.cars.aps.anl.gov >>> Subject: [Ifeffit] Running (D)Artemis yields different result from that >>> shown in (D)Artemis instruction videos >>> >>> Hi Bruce, >>> >>> I went through your (D)Artemis instruction videos and ran the latest >>> Demetris 0.9.12 with 0.9.13 update side by side to reproduce the >>> results. However, my running yields much poorer fitting results on Au >>> foil EXAFS, even the first shell (video 03). Actually it happened using >>> the older 0.9.11 too. I also went through your Lecture videos shot at >>> Diamond and ran (D)Artemis but could reproduce your results closely. I >>> have felt puzzled for quite a while why the simplest case Au foil does >>> work well. Today I tried to run the same Au data and fitting by the old, >>> last version of Artemis 0.8.014. I could produce very good fitting on >>> the first shell with the R-factor very near that shown in the video. I >>> made sure the math expressions for the fitting parameters amp, enot, >>> delr and ss are set exactly the same, with fitting range exactly the >>> same, in both programs. Their screen outputs file is attached. The saved >>> respective project files are also attached. I copied the fit outputs >>> into their journals. I would appreciate if you may review these results >>> and help clear my puzzle. >>> >>> Best regards, >>> >>> Ku-Ding >>> >>> >>> >>> ------------------------------ >>> >>> _______________________________________________ >>> Ifeffit mailing list >>> Ifeffit(a)millenia.cars.aps.anl.gov >>> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit >>> >>> >>> End of Ifeffit Digest, Vol 116, Issue 11 >>> **************************************** >>> . >> _______________________________________________ >> Ifeffit mailing list >> Ifeffit(a)millenia.cars.aps.anl.gov >> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit > > -- > > Bruce Ravel ------------------------------------ bravel(a)bnl.gov > > National Institute of Standards and Technology > Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2 > Building 535A > Upton NY, 11973 > > Homepage: http://xafs.org/BruceRavel > Software: https://github.com/bruceravel > > > > ------------------------------ > > Message: 2 > Date: Mon, 22 Oct 2012 16:20:16 -0400 > From: Bruce Ravel <bravel(a)bnl.gov> > To: XAFS Analysis using Ifeffit <ifeffit(a)millenia.cars.aps.anl.gov> > Subject: [Ifeffit] release 0.9.13.1 > Message-ID: <2108483.PEeEN70mtK(a)lachesis.bnl.gov> > Content-Type: text/plain; charset="us-ascii" > > > Hi, > > As a result of a problem brought to my attention by Ku-Ding Tsuei, I > built a new installer of my software for Windows. The new installer, > release 0.9.13.1 can now be downloaded from > > http://bruceravel.github.com/demeter/ > > This is an installer package. There is not a package for updating > from 0.9.12. You must download and install the new installer package. > > This new installer is essential for anyone using Artemis. As Ku-Ding > discovered, versions 0.9.11 through 0.9.13 all suffer from the same > problem. If you are using Artemis from any of the affected versions, > you *must* upgrade. > > I apologize for making three flawed releases of my software and I hope > that no one has been too inconvenienced by my mistake. Once again, > this mailing list and its most excellent community proves to be the > best feature of our software! > > > As a bit of consolation, I want to direct your attention to the > Artemis Users' Guide. I have put a lot of effort into it in recent > weeks. It is still not complete, but it is much enhanced. > > http://bruceravel.github.com/demeter/artug/index.html > > > Regards, > B > > > -- > > Bruce Ravel ------------------------------------ bravel(a)bnl.gov > > National Institute of Standards and Technology > Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2 > Building 535A > Upton NY, 11973 > > Homepage: http://xafs.org/BruceRavel > Software: https://github.com/bruceravel > > > ------------------------------ > > Message: 3 > Date: Tue, 23 Oct 2012 09:35:25 +0200 > From: Edmund Welter <edmund.welter(a)desy.de> > To: XAFS Analysis using Ifeffit <ifeffit(a)millenia.cars.aps.anl.gov> > Subject: [Ifeffit] DORIS III operation ended > Message-ID: <508648BD.3020804(a)desy.de> > Content-Type: text/plain; charset="iso-8859-1" > > Dear fellow XAFS user, > > yesterday (October 22^nd 2012, 8 am) the DORIS III storage ring in > Hamburg was switched of for good. That means our 3 EXAFS beamlines are > left without photons and user operation at these beamlines had to end. > In the next 2 years we will build 2 new EXAFS beamlines at the PETRA III > storage ring that will hopefully equally well serve the demands of our > large user community as the 3 closed beamlines did during the last 20+ > years. > > I know this mailing list is mainly about software and number crunching, > but I thought the end of operation of a machine that produced so many > beautiful numbers to be crunched with IFEFFIT/Athena/Artemis etc. might > justify a short notice on this list. > > Anyway, to close the circle to the software, the end of user operation > of HASYLAB's DORIS beamlines finally gives our users the chance to use > this software and produce many nice papers during the coming months > (Ah,wait, that was something different, New York, July 1977 :-). > > I am looking forward to see you all back at our PETRA extension > beamlines in autumn 2014! Let me close this mail with the last line of > data ever measured at the A1 EXAFS beamline: > > 7893.277 0 0 0 0 0 0 0 0 0 0 0 0 0 > 5.489 13.22 > > > Best regards, > > Edmund Welter > > -- > -------------------------------------------------------- > Dr. Edmund Welter Deutsches Elektronen-Synchrotron > DESY FS-Do > > Notkestr. 85 Email: edmund.welter(a)desy.de > D-22607 Hamburg Phone: +49 40 8998 4510 > Germany Fax : +49 40 8998 2787 > -------------------------------------------------------- > >

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Re: [Ifeffit] Running (D)Artemis yields different result from that shown in (D)Artemis instruction videos
by Tsuei, Ku-Ding 24 Oct '12

24 Oct '12

Bruce, Perhaps you noticed the "Fit color" was red (large R-factor 0.074496, poor fit, also seen in the attached figure in the last email) when you loaded in the project file I sent you. When you hit Fit button again the "Fit color" might turn to green indicating good fit as shown in your result of a much smaller R-factor (0.004265). I did the following test on various versions of Demeter on my desktop and notebook computers both installed with Windows 7 SP1. Of course I uninstalled one version first before installing another. I tried to use Uninstall within the Program menu or use the Program manager. I tried to reboot or not to reboot after uninstallation or installation. Neither shows any difference. Fit color 0.9.10 green 0.9.11 red 0.9.12 red 0.9.13 red Only version 0.9.10 yields good fit. The latter versions would not give good fits even with repeated hitting the "Fit" button. I have no idea what causes these results but perhaps this observation provides a clue. Ku-Ding On 2012/10/22 上午 01:00, ifeffit-request(a)millenia.cars.aps.anl.gov wrote: > Send Ifeffit mailing list submissions to > ifeffit(a)millenia.cars.aps.anl.gov > > To subscribe or unsubscribe via the World Wide Web, visit > http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit > or, via email, send a message with subject or body 'help' to > ifeffit-request(a)millenia.cars.aps.anl.gov > > You can reach the person managing the list at > ifeffit-owner(a)millenia.cars.aps.anl.gov > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Ifeffit digest..." > > > Today's Topics: > > 1. Re: Running (D)Artemis yields different result from that > shown in (D)Artemis instruction videos (Ravel, Bruce) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sun, 21 Oct 2012 12:36:10 +0000 > From: "Ravel, Bruce"<bravel(a)bnl.gov> > To: XAFS Analysis using Ifeffit<ifeffit(a)millenia.cars.aps.anl.gov> > Subject: Re: [Ifeffit] Running (D)Artemis yields different result from > that shown in (D)Artemis instruction videos > Message-ID: > <47CED3CD722C2A439C0D1D1056B2132517C3B082(a)EX10-MB1.BNL.GOV> > Content-Type: text/plain; charset="us-ascii" > > > Ku-Ding, > > I don't know what to tell you. On the computer I am sitting in front of right now, I opened your two project files and hit the fit buttons, I get the same fit with only numerical differences. Here I am cutting and pasting from the two log files: > > old artemis: > > Chi-square = 4334.684537717 > Reduced Chi-square = 691.819976095 > R-factor = 0.004250325 > > amp = 0.8649100 +/- 0.0412220 (1.0000) > enot = 5.6049380 +/- 0.2950270 (0.0000) > delr = -0.0226780 +/- 0.0023790 (0.0000) > ss = 0.0082230 +/- 0.0003250 (0.0030) > > > new artemis: > > Chi-square : 4348.7359268 > Reduced chi-square : 694.0625918 > R-factor : 0.0042652 > > amp = 0.86526150 # +/- 0.04129645 [1.00000] > enot = 5.61081742 # +/- 0.29527844 [0] > delr = -0.02266589 # +/- 0.00238341 [0] > ss = 0.00822546 # +/- 0.00032571 [0.00300] > > > I don't acknowledge that there is a problem. > > B > > > ________________________________________ > From:ifeffit-bounces@millenia.cars.aps.anl.gov [ifeffit-bounces(a)millenia.cars.aps.anl.gov] on behalf of Tsuei, Ku-Ding [tsuei(a)nsrrc.org.tw] > Sent: Thursday, October 18, 2012 1:15 PM > To:ifeffit@millenia.cars.aps.anl.gov > Subject: [Ifeffit] Running (D)Artemis yields different result from that shown in (D)Artemis instruction videos > > Hi Bruce, > > I went through your (D)Artemis instruction videos and ran the latest > Demetris 0.9.12 with 0.9.13 update side by side to reproduce the > results. However, my running yields much poorer fitting results on Au > foil EXAFS, even the first shell (video 03). Actually it happened using > the older 0.9.11 too. I also went through your Lecture videos shot at > Diamond and ran (D)Artemis but could reproduce your results closely. I > have felt puzzled for quite a while why the simplest case Au foil does > work well. Today I tried to run the same Au data and fitting by the old, > last version of Artemis 0.8.014. I could produce very good fitting on > the first shell with the R-factor very near that shown in the video. I > made sure the math expressions for the fitting parameters amp, enot, > delr and ss are set exactly the same, with fitting range exactly the > same, in both programs. Their screen outputs file is attached. The saved > respective project files are also attached. I copied the fit outputs > into their journals. I would appreciate if you may review these results > and help clear my puzzle. > > Best regards, > > Ku-Ding > > > > ------------------------------ > > _______________________________________________ > Ifeffit mailing list > Ifeffit(a)millenia.cars.aps.anl.gov > http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit > > > End of Ifeffit Digest, Vol 116, Issue 11 > **************************************** > . >

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DORIS III operation ended
by Edmund Welter 23 Oct '12

23 Oct '12

Dear fellow XAFS user, yesterday (October 22^nd 2012, 8 am) the DORIS III storage ring in Hamburg was switched of for good. That means our 3 EXAFS beamlines are left without photons and user operation at these beamlines had to end. In the next 2 years we will build 2 new EXAFS beamlines at the PETRA III storage ring that will hopefully equally well serve the demands of our large user community as the 3 closed beamlines did during the last 20+ years. I know this mailing list is mainly about software and number crunching, but I thought the end of operation of a machine that produced so many beautiful numbers to be crunched with IFEFFIT/Athena/Artemis etc. might justify a short notice on this list. Anyway, to close the circle to the software, the end of user operation of HASYLAB's DORIS beamlines finally gives our users the chance to use this software and produce many nice papers during the coming months (Ah,wait, that was something different, New York, July 1977 :-). I am looking forward to see you all back at our PETRA extension beamlines in autumn 2014! Let me close this mail with the last line of data ever measured at the A1 EXAFS beamline: 7893.277 0 0 0 0 0 0 0 0 0 0 0 0 0 5.489 13.22 Best regards, Edmund Welter -- -------------------------------------------------------- Dr. Edmund Welter Deutsches Elektronen-Synchrotron DESY FS-Do Notkestr. 85 Email: edmund.welter(a)desy.de D-22607 Hamburg Phone: +49 40 8998 4510 Germany Fax : +49 40 8998 2787 --------------------------------------------------------

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