[Gate-users] is there an alternative way to count photons?

[Didier Benoit]

Hi Andreas,

In the 3 methods described in the documentation 
(http://wiki.opengatecollaboration.org/index.php/Users_Guide_V6.1:Defining_a_system), 
the physical effects are always activated. You have a way where you 
declare only a block detector and the digitalization is made by the 
output module ($GATEHOME/examples/example_CT/fast), maybe this way is 
that you want.

Kind regards,
Didier

On 11/23/2011 05:30 PM, Andreas Duschl wrote:
> Dear Gaters,
>
>
>
> I've already set up an application performing a CT-Scans, which seems to
> work just fine. One disadvantage though is that  performing one CT-Scan
> takes fairly a long time. So my question is: Is there a way to simply count
> the photons within a predefined area which is separated into squares
> without setting up a "real" detector and  digitizer? I think this might
> reduce the calculation time due to the physical effects which take place
> within the detector (I'm not interested in these).
>
>
>
> thanks for your help
>
>
>
> Andreas
>
>
>
>
>
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Didier BENOIT, GATE Engineer
Imagerie et Modélisation en Neurobiologie et Cancérologie (IMNC)
IMNC – UMR 8165 CNRS – Université Paris 7 – Université Paris 11
Campus d’Orsay
Bâtiment 440
91406 ORSAY Cedex

Tél : (33) 1 69 15 68 76
E-mail : benoit at imnc.in2p3.fr
http://www.imnc.in2p3.fr
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