Re: [VMC] Crash in g3track_

From: Ivana Hrivnacova (ihrivnac@mail.cern.ch)
Date: Thu Jul 08 2004 - 10:51:20 MEST


 Keeping tracking media numbers consecutive is
 just work around until the problem is fixed;
 in AliRoot, geometry is defined via TVirtualMC
 and not directly via TGeo, so this problem
 does not happen here.

 Ivana

==============================================================
e-mail:  Ivana.Hrivnacova@cern.ch
address: Institut Physique Nucleaire, 91406 Orsay, France
phone:   (33) 01 69 15 65 94
==============================================================

On Thu, 8 Jul 2004, Laurent Aphecetche wrote:

> Ivana Hrivnacova wrote:
> >  Hi Laurent,
> > 
> >  The problem is in numbering of tracking media;
> >  untill it is solved (in TGeant3), change your media ids
> >  in this way:
> > 
> >  //fImedAIRF = 19;
> >  //fImedAIRLOWF = 18;
> >  fImedAIRF = 1;
> >  fImedAIRLOWF = 2;
> >  
> >  Best regards,
> > 
> >  Ivana
> 
> Hi Ivana,
> 
> Thanks. So it means tracking medium numbers must be consecutive, right ?
> Is there a clever way to insure this in a real-world example with many 
> sub-detectors ? e.g. how this is achieved in AliRoot ?
> 
> Regards,
> 

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