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Forum: User Requirements
Re: Feedback command based scoring (ludovic Ferrer)
Re: None RE: command based scoring (Makoto Asai)
Re: None RE: command based scoring (ludovic Ferrer)
Date: 04 Mar, 2008
From: Makoto Asai <Makoto Asai>

Let's assume the lead plate is thick enough so that you don't 
worry about photons passing through "real" lead plate. Then, 
use the passage scorer. And, yes, use the particle filter as 
you wrote.

Makoto

> -----Original Message-----
> From: ferrer.ludovic@neuf.fr [mailto:ferrer.ludovic@neuf.fr] 
> Sent: Tuesday, March 04, 2008 12:16 PM
> To: publichypernews
> Subject: RE: command based scoring
> 
> *** Discussion title: User Requirements
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/userreqs/31/1/1"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
> 
> Thanks Makoto,
> Just to be sure I have understood ...
> I create a mesh box placed at the exact location of my volume 
> of interest. Then, I define a flux scorer
> for the particule I am interested in via filters. Is that right ? 
> At present time, via command, there is no way to "attach" a 
> mesh box to a logical or physical volume ?
> 
> But, let's take an example :
> I have a plate in lead with hundred holes (air). I want to 
> know how many photons are passing through my plate
> without interation. If I use your approach, I will score all 
> photons passing through the faces of the mesh.
> So photons  that pass through the holes will also be scored 
> ... which is not the result I expected ...
> 
> what's your feeling ?
> 
> Cheers,
> Ludovic
> 
> 

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