Thank you so much, Matt. These examples seems a good starting point, I'll try it soon.

Best wishes, Kate

On 19 March 2018 at 18:53, Matt Newville <newville@cars.uchicago.edu> wrote:

Hi Katy,

On Mon, Mar 19, 2018 at 12:39 PM, Katy Smith <katy.g.smith@gmail.com> wrote:

Dear Colleagues,

I am aiming to use Larch to synthesise EXAFS spectra for metal oxides and I wonder if that would be the right way. I can synthesise the paths in Demeter/Artemis but I have no idea how to sum them in order to obtain a single EXAFS spectrum. Hence, the interest in Larch hoping that it can do what I am looking for.

You might find the examples at
  http://xraypy.github.io/xraylarch/xafs/feffpaths.html

helpful.  In particular,
  http://xraypy.github.io/xraylarch/xafs/feffpaths.html#example-adding-feff-files

shows how to sum paths together.  The Artemis GUI can help you do this, but being able to do this at the scripting level (aka "the hard way") is really not that hard, and can give you much more power.

 

--Matt Newville

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