[Ifeffit] possible bug: same Artemis project file, different results on 2 PCs

Jeremy Thorbahn thorbahn at gmail.com
Wed Oct 10 09:55:50 CDT 2012

I tried it on a third PC and got the same result that you found so I am
confident that is the "correct" one. So it seems to be an isolated issue
with my one PC and I am fine just not using that one for now. I will look
into it more and try to isolate the cause. For what it's worth, both PCs
are 64 bit and I don't believe there are any other perl installations on
the offending machine. If I solve the problem or uncover any useful details
I will report back. Thanks for checking this out.


On Wed, Oct 10, 2012 at 11:32 AM, Bruce Ravel <bravel at bnl.gov> wrote:

> Hi Jeremy,
> I got the answer on the right (amp=0.746, reduced chi-square=536) to
> all displayed digits on the linux and WinXP computers here in my
> office.
> I am willing to pursue this, but I'm not really certain how.
> How do these two computers differ?  Are they both 32bit or 64bit?  How
> was Demeter installed on each computer?  Perhpas other scientific
> software one on that is somehow causing a conflict?  I recently tried
> to make Demeter insensitive to  the presence of another version of
> perl on the computer -- perhaps that's not working and one of your
> computers has this?
> I just need more to go on.
> B
> On Tuesday, October 09, 2012 04:42:07 PM Jeremy Thorbahn wrote:
> > I was putting together another post for the list (which is currently
> > awaiting moderation since apparently my attached project files were too
> > large) when I encountered some strange behaviour in Artemis.
> >
> > I tried opening my project file on my second PC to check that it would
> open
> > fine for other members of the list. But by simply opening the project and
> > clicking Fit, I was getting different results for my guess parameters on
> > the two PCs. Both PCs are Windows 7 and updated to Demeter 0.9.13.
> >
> > Here is a link to the project file (trying to avoid size limitations for
> > the list this time)
> > http://dl.dropbox.com/u/10663174/ZnO.fpj
> >
> >
> > and I will attach a screenshot of Artemis demonstrating what I am talking
> > about from my two PCs.
> > Since I am working to determine S02 and it is very different on each PC,
> I
> > am hesitant to trust any of my results right now.
> --
>  Bruce Ravel  ------------------------------------ bravel at 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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Jeremy Thorbahn
thorbahn at gmail.com
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