[gate-users] number of simulated decays

[Aurélien Vasseur]

Dear Bastien,

I think you want the spectrum of energy lost by the emitted photons
(by the source), doesn' it? If I'm right, I think it is not possible
with the original version of Gate. In order to get this information, I
used a G4 method: GetDeltaEnergy (from G4Step) but it is thus
necessary  to modified several Gate files. I can give you more
informations if you want. Could any Gate developper answer if there is
another way?

For the second point, you only need, I think, to enable ascii output.
It will generate a xxxRun.dat file (see p117 of the User's Guide).

Regards

On 18 Jun 2005 09:48:07 -0400, Bastien Guérin <guerin at bwh.harvard.edu> wrote:
> Hello,
> 
> I am a new Gate user and I try to do a very simple thing: to get the energy
> spectrum of photons (PET) in the case of a point src in a water cylinder and
> a perfect detector. Do you know a simple way to do that?
> 
> Also do you know how to retrieve the EXACT number of decays simulated when
> doing a PET simulation?
> 
> Thanks a million for your support,
> 
> BG
> 
> ----
> 
> Bastien Guérin
> PhD st., physics, adv. Dr El Fakhri
> dpt of Radiology, div. of Nuclear Medicine
> Brigham and Women's Hospital
> Boston
> 
> 
> 
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> 


-- 
Aurelien Vasseur