EDS quantification

[Eric Leroy]

Hi,
Since hyperspy is now able to deal with EDS data I wonder if it is now possible to make quantification of EDS spectra for TEM or SEM data.
Best regards
Eric

[Pierre Burdet]

Hi Eric,

I'm currently working on it. Quantification in TEM (Cliff-Lorimer) is easier to implement. I made an experimental function that is working. A stable function will be available for the next release (0.8). (You can find the experimental function in a branch in my repository https://github.com/pburdet/hyperspy/tree/NEW_EDS_TEM_quantification if you want to test or/and improve it).

SEM quantification is more complex. For the moment, I'm using the function of the epq library (DTSA II from the NIST). It is written in java and I link it to python through jython. There is no plan yet make to make it available (the stability of the link java/python is not good enough). Any other solution is welcomed.

Best regards

Pierre

[Leroy Eric]

Hi Pierre,

Can you explain me how to merge the branch in an existing hyperspy installation ? I am not familiar at all in this exercise. And can you give some informations about the way to use it ?

Thank you

Best regards

Eric

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[Pierre Burdet]

Hi Eric,

To do so you need to install the development version. Follow the instruction in http://hyperspy.org/hyperspy-doc/current/user_guide/install.html#development-version.

Then you can add the remote repository pburdet/hyperspy (command line)

git remote add pburdet https://github.com/pburdet/hyperspy

Then checkout the branch

git checkout pburdet/NEW_EDS_TEM_quantification

and restart hyperspy.

Best regards 

Pierre

[Eric Leroy]

Hi Pierre,

I made the manipulations you told me but when I checkout the branch I have the following message:
error: pathspec 'pburdet/NEW_EDS_TEM_quantification' did not match any file(s) known to git.
Is it normal?
Regards

Eric

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Eric Leroy

[Pierre Burdet]

Hi Eric,

Does the branch appear if you type

>>>git branch -r

If not, update the branches of the repository with

>>>git fetch pburdet

[Leroy Eric]

Hi Pierre

Following our last discussion, I reinstalled a "clean" version of Canopy 32bit on my mac. The hyperspy 0.71 version available via easy_install works fine but if I want to install the development version hyperspy crash at startup and the error message states that scimath is not installed that is wrong. So I am still stucked with the official version instead of the development one.
Best regards

Eric