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Forum: Event and Track Management
Re: None Need help with tracking (Adam)
Date: 30 May, 2007
From: Makoto Asai <Makoto Asai>

I do not know if I fully understand your issue, but let me 
suggest a couple of things.

1) If you just want to count the passage of electrons through
the boundary of xenon and copper, you may do it in your
UserSteppiingAction. Check the volumes of PreStep and
PostStep to identify the volume crossing.

2) You may also use the flux scorers provided to count the
particle flux. You may want to use the particle filter to score
just electrons.

Please visit to the recent Geant4 tutorials, for example
http://geant4.slac.stanford.edu/SLACTutorial07/
to see the scoring lecture notes.

Hope this helps.
Makoto

 

> -----Original Message-----
> From: Adam [mailto:ax_blais@laurentian.ca] 
> Sent: Wednesday, May 30, 2007 9:31 AM
> To: publichypernews
> Subject: Need help with tracking
> 
> *** Discussion title: Event and Track Management
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/eventtrackmanage/639"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
> 
> For my simulation, I have a cylinder filled with xenon gas. The xenon
> cylinder is surrounded by copper about 1cm on all sides. I am 
> generating
> 2 electrons at random points and directions within the xenon. I need
> to figure out how many particles are escaping into the copper and how
> many remain within the xenon. I have tried using code from 
> the examples
> for particle tracking and I have also read documentation but I find
> it all very vague and am still unsure about how exactly I can do this.
> 
> Any suggestions would be appreciated.
> 
> 

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1 None: RE: Need help with tracking   (Adam - 30 May, 2007)
(_ None: RE: Need help with tracking   (Makoto Asai - 30 May, 2007)
(_ None: RE: Need help with tracking   (Adam - 30 May, 2007)
(_ None: RE: Need help with tracking   (Makoto Asai - 30 May, 2007)
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