Re: [Brahms-dev-l] global tracking

From: Selemon Bekele <bekele@pacific.mps.ohio-state.edu>
Date: Fri Jul 01 2005 - 18:51:24 EDT
Hi Flemming,

	I found the following Time calibration runs from the E-Log
12338, 12368,14130 . I tried to look in /home/bramsink/raw on HPSS but
could not find these runs. Any ideas on where they might be?

Thanks,

*****************************************************

 Selemon Bekele

 4069 E Livingston Ave. |   Ohio State University
 Apt# 217               |   174 W. 18th Avenue
 Columbus, OH 43227     |   Columbus, OH 43210

 e-mail: bekele@pacific.mps.ohio-state.edu

 Tel. (614)439-9965 --- home, after 9 pm and weekends
      (614)292-5321 --- office

******************************************************

On Fri, 1 Jul 2005, flemming videbaek wrote:

> Hi
>
> have you reviewed the old note#16 written by Djamel some years back. This
> describes the overall scheme of things and flow; there may have been a few
> changes yet.
>
> One thing is obvious though Tdcgain is picosec/channels and needs the
> special time-calibrations runs, This was done a few times per run-period.
> They may well be commited already
> I suggest you check the database entries.
> The code will definetely NOT work with regular datafiles - it needs the
> special raw data.
>
>
>
>
> ----------------------------------------------------------------
> Flemming Videbaek
> Physics Department
> Brookhaven National Laboratory
>
> e-mail: videbaek@bnl.gov
> phone: 631-344-4106
> ----- Original Message -----
> From: "Selemon Bekele" <bekele@pacific.mps.ohio-state.edu>
> To: "devlist" <brahms-dev-l@lists.bnl.gov>
> Sent: Friday, July 01, 2005 1:22 PM
> Subject: Re: [Brahms-dev-l] global tracking
>
>
> >
> > Hi all,
> >
> > hope you are doing fine. I am looking into the calibrations for
> > H1 and H2. It seems that I need to run over gtr files. To get started, I
> > run the script "TofTdcGain.C" with one of the recent gtr files in
> > /brahms/data21/data/run05/cucu/200/r12505/gtr/. However the process
> > breaks with the error message:
> >
> > ########################
> > In BrTofCalModule::Init()
> > BrDetectorDbmanager: File to use DetectorParametersRun05cucu200.txt
> > ******************************************************************
> >  Adding BrDetectorParamsTof for TOFW
> >  Adding BrDetectorParamsTof for TFP1
> >  Adding BrDetectorParamsTof for TFP2
> >  Adding BrDetectorParamsTof for TFP3
> >  Adding BrDetectorParamsTof for TFP4
> >  Adding BrDetectorParamsTof for TFP5
> >  Adding BrDetectorParamsTof for TFP6
> > Found TOFW
> >   BrDetectorParamsTof
> >   TOFW
> >
> >
> >  Adding BrTofCalibration for TOFW
> > In BrTofCalModule::Init()
> >  Adding BrDetectorParamsTof for TOF1
> > Found TOF1
> >
> >   BrDetectorParamsTof
> >   TOF1
> >
> >
> >  Adding BrTofCalibration for TOF1
> > In BrTofCalModule::Init()
> >  ---> FFS at 8 deg.  and BFS at 8 deg.
> >  ---> FS lined up
> >  Adding BrDetectorParamsTof for TOF2
> > Found TOF2
> >   BrDetectorParamsTof
> >   TOF2
> >
> >
> >  Adding BrTofCalibration for TOF2
> > Stop asserted
> >
> > Error in <TLinearFitter::UpdateMatrix>: matrix can't be updated - input
> > points not stored
> >
> >  *** Break *** segmentation violation
> >  Generating stack trace...
> > /usr/bin/addr2line: bratmain: No such file or directory
> > /usr/bin/addr2line: bratmain: No such file or directory
> >  0x005d9d22 in BrTofTdcGainCalModule::Finish() at
> >
> /brahms/u/tigist/MyBrahms/brat/modules/calib/tof/BrTofTdcGainCalModule.cxx:3
> 34
> > from /brahms/u/tigist/lib/libBratModuleCalib.so.2
> > ...
> > ######################
> >
> > Looking at line 334 in BrTofTdcGainCalModule.cxx, I find the line
> >
> > fCalibration->SetTopTdcGain(i,1/pol->GetParameter(1))
> >
> > It is not quite clear from this point on what and where the problem is.
> > It may be that I need to have some more information besides gtr files.
> > It would be great and get me going faster if anyone who has done this
> > before gives me some suggestions and a list of things to make ready for
> > the Hodoscope calibratios would be nice.
> >
> > Thanks,
> >
> > *****************************************************
> >
> >  Selemon Bekele
> >
> >  4069 E Livingston Ave. |   Ohio State University
> >  Apt# 217               |   174 W. 18th Avenue
> >  Columbus, OH 43227     |   Columbus, OH 43210
> >
> >  e-mail: bekele@pacific.mps.ohio-state.edu
> >
> >  Tel. (614)439-9965 --- home, after 9 pm and weekends
> >       (614)292-5321 --- office
> >
> > ******************************************************
> >
> >
> > _______________________________________________
> > Brahms-dev-l mailing list
> > Brahms-dev-l@lists.bnl.gov
> > http://lists.bnl.gov/mailman/listinfo/brahms-dev-l
> >
>

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Received on Fri Jul 1 18:51:47 2005

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