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Forum: Event and Track Management
Re: Question Position output in Geant3 (David Barton)
Date: 09 Jan, 2010
From: michel maire <michel maire>

On Thu, 07 Jan 2010 20:06:27 GMT, David Barton wrote:
> Sorry to ask a Geant3 question here but I'm a bit stuck. I'm trying to
> get the energy deposited and location of the interaction out from my
> detector. I can get the energy but I can't seem to figure out how to
> find the location. When I try to retrieve the information using GFHITS I
> don't get appropriate results for the location. I've tried getting the
> location through VECT and VOUT and then storing the information with
> GSAHIT or GSCHIT, but it doesn't seem to work and I'm not sure what else
> to try.
> 
> Any advice would be much appreciated.
> 

 I confirm that VECT(1->3) gives the current position of the particle : to be used in GUSTEP.

 I attach an example of gustep where we compute x**2 + y**2
 You can find it in geant4 distribution :
 examples/extended/electromagnetic/TestEm2/geant3/src/gustep.F 

 Maybe your problem comes from the way you store or retrieve the hit.

    Michel

   Attachment:
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2010/01/09/06.04-87496-gustep.txt

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