[POTKU] Organizing training sessions on potku and MCERD

Praveen Dara (imec) Praveen.Dara at imec.be
Thu Jul 16 18:59:17 EEST 2020


Dear Mikko,

As we discussed in the past, it is nice to see your massage that you are going to organize a training session on potku and MCERD in the coming days. Please let me know if I can help you with in any way.  

Thanks.

Best regards,
Praveen

PRAVEEN DARA
Materials Characterization and Metrology Development Engineer at MCAIBA
M +32 465 98 58 61  I  T +32 16 28 33 97
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Sent: Saturday 4 July 2020 11:00
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Subject: Potku Digest, Vol 11, Issue 1

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Today's Topics:

   1.  New Release versions of potku (Laitinen, Mikko)


----------------------------------------------------------------------

Message: 1
Date: Fri, 3 Jul 2020 11:02:30 +0000
From: "Laitinen, Mikko" <mikko.i.laitinen at jyu.fi>
To: "potku at lists.jyu.fi" <potku at lists.jyu.fi>
Subject: [POTKU] New Release versions of potku
Message-ID:
	<HE1PR0501MB2348E550DD097A231F98EB5EA36A0 at HE1PR0501MB2348.eurprd05.prod.outlook.com>
	
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Dear Potku users, ToF-ERDA community,

We have now released new Potku versions for win, mac and linux. Maybe the most important feature in the slab analysis side is the efficiency files changes.
https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.jyu.fi%2Fscience%2Fen%2Fphysics%2Fresearch%2Finfrastructures%2Faccelerator-laboratory%2Fpelletron%2Fpotku%2Frelease_versions%2F&amp;data=02%7C01%7Cpraveen.dara%40imec.be%7C01f8dfb7da434db31a2408d81ff8b0cc%7Ca72d5a7225ee40f09bd1067cb5b770d4%7C0%7C0%7C637294500270520454&amp;sdata=DZZQ0gvY3F2Oe0%2BwmYXE9E9IcacxBok%2F5ecf%2FVSgKE8%3D&amp;reserved=0

These changes include that efficiency files now separate isotopes from the elements and 1H.eff will not work anymore with the elemental H cut file, but one needs to (eg. by copying and renaming) have H.eff file (or 16O.eff  versus O.eff for example) when using elemental cut file. Also efficiency files now work for plotting the energy spectra, also in MCERD.

Simulation/MCERD side now works quite well, but the automated fitting/optimization is still to be multicore optimized as an example of missing things.

When you note bugs or misbehavior please report to us. We now have workforce available for further development and the so called "ePotku" is also advancing on the background (the www-browser based Potku).

Below is some summary of changes and developments.

Best Regards and happy summer,

    Mikko.

ps. we will have training sessions of the features/usage of Potku during the late August/September. If you are interested or know for example some students, or more senior members, who could/should participate, inform already them and us that you will support the training session idea too. (maybe 2+1 hours for slab analysis, and week or two later same set for MCERD side).


https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.jyu.fi%2Fscience%2Fen%2Fphysics%2Fresearch%2Finfrastructures%2Faccelerator-laboratory%2Fpelletron%2Fpotku&amp;data=02%7C01%7Cpraveen.dara%40imec.be%7C01f8dfb7da434db31a2408d81ff8b0cc%7Ca72d5a7225ee40f09bd1067cb5b770d4%7C0%7C0%7C637294500270520454&amp;sdata=FuvFMo1mVOZnvEGa89GSRZ%2F8dFNmRJnMwtnYUpR9VhY%3D&amp;reserved=0
3.7.2020: New, most stable and reliable version released after 6 month dedication to debugging only.

- Efficiency file handling: The biggest change to slab analysis side will be that the isotope cut files need to have isotope specific efficiency files eg. 1H, 2H, 16O cut files need to have 1H.eff, 2H.eff and 16O.eff files and the elemental cut files H, O, need to have elemental efficiency files in the future like H.eff and O.eff.  No other filename -types are anymore accepted. (Note: in previous versions there were troubles for example in 16O.eff handling and other heavier than H efficiency files.)

- Efficiency file handling: When plotting energy spectra on the slab analysis side (also in the MCERD), experimental data can be selected to be corrected with efficiency files. This was not the case in reality before.

- Many additions to the general parameters.

- Many changes to the MCERD side, so that features which were seemingly present before, now actually works. Also many user friendly features are now more user friendly than never before (like showing the simulation progresses).

- Plenty of more info printed on the console window, helping for debugging/reporting and following the process.

- MCERD uses the Jibal library (https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJYU-IBA%2Fjibal&amp;data=02%7C01%7Cpraveen.dara%40imec.be%7C01f8dfb7da434db31a2408d81ff8b0cc%7Ca72d5a7225ee40f09bd1067cb5b770d4%7C0%7C0%7C637294500270520454&amp;sdata=wOXVNXetdklZJFMGeTWpKBv1%2FwisjONzOx6GgsgqcEg%3D&amp;reserved=0). The library provides stopping forces, straggling models, cross sections and various atomic data e.g. atomic masses and abundances. This replaces old hard coded ZBL stopping model from MCERD and will also replace the GSTO (Generic STOpping) library used by the slab analysis side soon.

- Multiple pieces of code refactored "under the hood" to support upcoming browser-based Potku with open access and sharing features.

- In request settings, saving of the settings is possible (with "arbitrary" naming unfortunately). Will be developed more in future. However, In the 01072020 linux version, the save in the "profile" tab crashes the Potku, this is corrected in later versions already.

However, user can still do wrong if for example the efficiency file is not named correctly, meaning file name has spaces or other features than element of isotope characters (H1.eff, H2.eff, 16O.eff or H.eff or O.eff), or for example user tries to do depth profiles from "H" + "1H" + "2H" isotopes _at the same time_. Here, result would be that H and H1 concentration would be summed up as to 1H, with correct efficiency's, and 2H would be ok with correct efficiency -> this is due to 'user' error, but we'll work to prevent these also. Automated fitting tool in MCERD-side is still to be developed more user friendly and still has some bugs.

As for today Windows, Mac and Linux versions are provided here, but the development is still  fast. Further updates/versions will come at least for 5 more years. MacOS app-version has currently no console window unfortunately, but starts "easier" from icon.

older comments, version changes,  can be found from:
https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.jyu.fi%2Fscience%2Fen%2Fphysics%2Fresearch%2Finfrastructures%2Faccelerator-laboratory%2Fpelletron%2Fpotku&amp;data=02%7C01%7Cpraveen.dara%40imec.be%7C01f8dfb7da434db31a2408d81ff8b0cc%7Ca72d5a7225ee40f09bd1067cb5b770d4%7C0%7C0%7C637294500270520454&amp;sdata=FuvFMo1mVOZnvEGa89GSRZ%2F8dFNmRJnMwtnYUpR9VhY%3D&amp;reserved=0

--
Mikko Laitinen, Researcher
University of Jyväskylä
Department of Physics
________________________________________________________
Postal address: University of Jyväskylä, Department of Physics, P.O. Box 35, 40014, Finland Street address: Survontie 9 D, Ylistönrinne, Jyväskylä

Office: +358 40 8054 113
Personal: +358 400 99 48 36
Telefax: +358 14 617 411
E-mail address: mikko.i.laitinen at jyu.fi

What was necessary, was done by yesterday; We're currently working on the impossible; For miracles, we ask for a 24 hours notice ... :)



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End of Potku Digest, Vol 11, Issue 1
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