sPHENIX tracking discussion

[hachiya <hachiya AT rcf.rhic.bnl.gov>]

Hi Joseph,

Thank you for making the geometry parameters based on the latest survey.
I think it is good to review how the new parameter is different with the 
default one
before committing the new parameter to the tracking software.

I remembered you reported the local ladder geometry before.
I would like to hear the global survey results.

Do you report it at the next INTT meeting?

Thanks,
Takashi

2023-07-20 00:05 に Bertaux, Joseph Tyler さんは書きました:
> Hello all,
>
>  I believe I've succeeded in producing the parameters for the align
> transforms the tracking group will use—however it is still likely
> that there might be bugs or errors in the production of these and they
> need to be checked. I'll look into creating a custom "event" display
> but that may take some time; any other ideas for checks are
> encouraged.
>
>  Units are radians (rad) (alpha, beta, gamma) and millimeters (mm) (x,
> y, z).
>
>  Here alpha, beta, gamma are the ZYX Tait-Bryan angles of the
> transformation and x, y, z are the displacements to the sensor center
> along sPHENIX global coordinate axes.
>
>  I've been committing the codes and data files involved with this
> production here:
>
> https://github.com/sPHENIX-Collaboration/INTT/tree/main/general_codes/josephb/codes/intt_alignment
>
>  If you look at the source code and have questions, feel free to ask.
>
>  Joseph
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