Re: [Brahms-dev-l] brat update (2.25.2) bdst(2.5.2)

Hello.  I have a question.  In my gtr script for simulated data, I used 
to have ffs->SetUseTrackBeamVtx(kTRUE) option for BrFfsTrackingModule.  
Now, this option seems to be disappeared from that module.  Can I expect 
that it works without this option?  I don't remember what this option 
was really using.  (I can guess somewhat.)

Hiro

Flemming Videbaek wrote:

> Kris and I have been working for the last few weeks to update brat 
> with the necs modifications to have another production
> run of pp. This involved lots of PID software to use CC as start time 
> (kris). At the same time we realized that the vertex handling
> in tracking, fitting has been inconsistent, we have thus updated Track 
> description to contain both the projections on the (xz) plane
>  as well as to a 'best' vertex.
> - introduced BrBestvertexFinderModule (and BrBestVertex). (kris)
> - changed global fitting to (fv)
>   i) BrFsGlobalTrackingFitModule
>   ii) introduced BrMrsTrackingFitModule
>   ffstracking as well as fstracking now looks for a bestvertex.
> The bramreco scripts for pp in run05 has been updated to reflect rhe 
> needed changes.
> We have chekced that default tracking+pid works like for auau, and 
> that the changes works for pp with CC.
> Take a look at bramreco/DataProduction/run05/pp/200/gtr-dst for updates.
> (I hope kris will propagate the changes need for MRS tracking and 
> Pid). I have only looked at FS and FFS
>  
> - the bdst class were obviously also change to refleft the datachange 
> in tracking.
>    -an error was found the FFS branch did not have the fitted momentum 
> in the fP but rather the initial value.
>  
> This can be disccused further at tomorrows weekly analysis meeting; 
> after which we intent to update the official version.
> Please report problems that you find.
> I do want to point out that the brat+bdst does compile on a clean 
> checkout , so no complaints about compilations.
>  
> Flemming and kris
>  
> --------------------------------------------
> Flemming Videbaek
> Physics Department
> Bldg 510-D
> Brookhaven National Laboratory
> Upton, NY11973
>  
> phone: 631-344-4106
> fax:        631-344-1334
> e-mail: videbaek @ bnl.gov
>
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