Sphenix-calibration-l mailing list

[Hugo Pereira Da Costa <hugo.pereira-da-costa AT cea.fr>]

On 12/14/2020 8:16 AM, Hugo Pereira Da Costa wrote:
> Hello Christoph,
>
> Including distortions are supported in our latest default macros 
> (macros/detectors/sPHENIX/Fun4All_G4_sPHENIX.C)
>
> 1/ To turn the static and time-average distortions on, you need to add
>
> G4TPC::ENABLE_STATIC_DISTORTIONS = true;
>
> the default static distortion file only contains beam-induced, time 
> average distortions. If you want to also include those from the field, 
> you need to also set:
>
> G4TPC::static_distortion_filename = 
> "distortion_maps/average.rev3.1side.3d.file0.h_negz.real_B1.4_E-400.0.ross_phi1_sphenix_phislice_lookup_r26xp40xz40.distortion_map.hist.root";
Sorry: I meant to send the full path name here: 
"/phenix/u/hpereira/sphenix/work/g4simulations/distortion_maps/average.rev3.1side.3d.file0.h_negz.real_B1.4_E-400.0.ross_phi1_sphenix_phislice_lookup_r26xp40xz40.distortion_map.hist.root"
> (or, better, make a local copy of the same file and pass it to the 
> macro. I will probably commit this file to the official 
> $CALIBRATION_MAIN some time today in order not to have to rely on 
> private copies)
>
> 2/ to turn on event by event fluctuations
>
> G4TPC::ENABLE_TIME_ORDERED_DISTORTIONS  = true;
>
>
> In principle you can turn on both static and event-by-event 
> fluctuations, but you need to make sure that there is no 
> double-counting between the two sets of input files
>
> Right now the default provided file for the event-by-event 
> fluctuations, 
> /gpfs/mnt/gpfs02/sphenix/user/klest/TimeOrderedDistortions.root
> has 90 maps only. I do not know if there are more somewhere (Ross and 
> Henry would know better).
> Also, I do not know which kind of distortions are in there. Full event 
> by event distortions ? beam-induced distortions only ? Fluctuations 
> around time-averaged distortions ?
>
> I have never ran anything with the event-by-event fluctuations turned on.
>
> Hope this helps,
>
> Hugo
>
>
> On 12/14/20 6:19 AM, Christof Roland wrote:
> > Hi Hugo and Ross,
> >
> > do you have a simple example for running a few 1000 events with full 
> > distortions
> > and no corrections? This is for the event compression studies.
> >
> > Thanks
> >
> >     Christof