[Ifeffit] New user to EXAFS

[William Bisson]

Hi Matt,

Thanks for that, I shall give that a go. Can Ifeffit/athena combine two 
data sets and average them?

Regards
William

On Thu, 7 Oct 2004, Matt Newville wrote:

> William,
>
> First, if you remove the last line of the file:
>
> END OF DATA
>
> The data in this file will be read just fine by Ifeffit/athena.
>
> Second, if you add any of the following characters: '#', '%', ';'
> to the first non-blank character on the 'header' lines:
> #&SRS
> #SRSRUN=55267,SRSDAT=040521,SRSTIM=125128,
> #SRSSTN='ex1a',SRSPRJ='xrsws7p1',SRSEXP='exafs   ',
> #SRSTLE='KFe3                                                       '
> #SRSCN1='80K     ',SRSCN2='two     ',SRSCN3='three   ',
> #&END,
>
> the header lines will be kept as strings -- not a big deal, but
> convenient.
>
> Those steps seem easy enough that a simple filter script (in perl,
> bash, or python or whatever)  could be written to convert
> Daresbury files to a format easily read into Ifeffit, athena, or
> sixpack. In principle, ifeffit source code could be changed to
> support this format, but it seems close enough that a simple
> filter would be better.
>
> Finally, I couldn't tell exactly what the columns in the file
> were. It looked like the first column might have been
> monochromator angle or steps, not energy.  If
> that's the case, you might  want to look at
>
>   http://cars9.uchicago.edu/cgi-bin/ifeffit/faqwiz?req=show&file=faq03.004.htp
>
> for hints about how to convert steps to energy.
>
> Hope that helps,
>
> --Matt
>
> _______________________________________________
> Ifeffit mailing list
> Ifeffit at millenia.cars.aps.anl.gov
> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit
>