[Ifeffit] problem on opening data file

Ruoshuang Huang rh2rr at cms.mail.virginia.edu
Tue Nov 11 07:49:53 CST 2008


Hi All,

Thanks very much for all of your responses. They are really helpful and they 
worked!

Thank you all for your help.

Have a nice day,
Ruoshuang

On Mon, 10 Nov 2008 16:06:36 -0600
  "Matt Newville" <newville at cars.uchicago.edu> wrote:
> Hi Ruoshuang,
> 
> You'll almost certainly need to "comment out" the lines before the
> line reading "DATA START" by putting a non-numerical character in the
> first column of the data file.  The recommended comment character for
> the first column of header lines is "#', but many others will work.
> 
> Without anything to go on but the data file, it's pretty much
> impossible to tell in one pass where the data in this file begins.
> Specifically, there are clearly lines that contain only numbers.
> Ifeffit guesses that the first line containing only numbers is where
> the data starts.
> 
> Athena also allows for pre-processing code to be written to
> specifically handle data from certain beamlines.  How well this works
> depends on the pre-processing code and the beamline (for example, if
> the format changes).
> 
> Cheers,
> 
> --Matt
> 
> 
> 
> 
> On Mon, Nov 10, 2008 at 3:52 PM, Ruoshuang Huang <rh2rr at virginia.edu> 
>wrote:
>> Hello All,
>>
>> Recently I found that I could not open my EXAFS data files using Athena 
>>any
>> more. Previously I had no problem using Athena to do data analysis (the 
>>last
>> time was in last year). Now when I try to open a data file, a small window
>> appears saying this file 'could not be read by ifeffit as a data file'. 
>>This
>> happened to both the old data files that could be opened previously and 
>>new
>> ones that were obtained recently. All the raw data were taken on beamline
>> X10C at NSLS in the format of .xfs. I appreciate it if someone could help
>> and give me some suggestions. I've attached one of my data files as an
>> example.
>>
>> Thank you so much,
>> Ruoshuang
>>
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>>
>>
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