[Clas12_verystrange] Quick MC question: gcard for fall 18 positive

Michael Dugger dugger at jlab.org
Wed Sep 22 12:29:26 EDT 2021


Achyut,

Thanks a bunch!

Sincerely,
Michael

> Hi Michael,
>
> You can choose appropriate gcard accordingly for different experiment
> configuration from
> https://github.com/gemc/clas12Tags/tree/master/4.4.1/config
>
> I believe for  just to change the torus polarity, you want to edit the
> line  <option name="SCALE_FIELD" value="TorusSymmetric, -1”/>  in your
> gcard to <option name="SCALE_FIELD" value="TorusSymmetric, +1”/>  (note
> torus -1 means e- Inbending) and don’t forget to match the same torus
> polarity while converting gemc output to hipo format (evio2hipo decoding
> step).
>
> For the detail help on how to run simulation please follow the link below
> from HOWTOs tab from CLAS12 Centralized Software Wikipage ::
> https://clasweb.jlab.org/wiki/index.php/How_to_run_the_full_simulation_train_single-threaded
>
> Regards,
> Achyut Khanal
>
> On Sep 21, 2021, at 7:42 PM, Michael Dugger
> <dugger at jlab.org<mailto:dugger at jlab.org>> wrote:
>
> Hi,
>
> For the negative field fall 18 and spring 19 data I have used
> clas12-default.gcard
>
> What gcard should I use for the fall 18 positive field data?
>
> Thanks for your time!
>
> Sincerely,
> Michael
>
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