[Gate-users] Record only photon interactions

[Alejandro Coloma]

Have you tried FilterActor? specifically FIlter on Type (
http://wiki.opengatecollaboration.org/index.php/Users_Guide_V6.2:Readout_parameters_for_Radiotherapy_applications:_Actors#Filters
).

/gate/actor/addActor KillActor *MyActor*
/gate/actor/*MyActor*/save  MyOutputFile.txt
/gate/actor/*MyActor*/attachTo  MyVolume
/gate/actor/*MyActor*/addFilter particleFilter
/gate/actor/*MyActor*/particleFilter/addParticle e-


It seems to be a good choice for solving your problem.

Hope it helps!


2013/10/1 Cheng Xu <xuchengxjtu at gmail.com>

> Dear all,
>
> Does anyone know how to simulate only the photon interactions and discard
> the electron interactions and electron scattering in GATE, because I want
> to study the photon interactions first and then do the charge sharing
> simulation analytically. However, with the electron interactions and
> scattering included, when the photon interaction position is close the
> boundary between two pixels, part of the energy is shared by the
> neighboring pixel as a result of electron scattering which I do not want.
> When I disable the electron scattering and ionization in physics list, no
> energy is recorded. So is there a way to simulate only photon interactions
> and record the complete energies, seems <adder Compton> command discards
> part of the deposited energy when the electron track travels to the
> neighboring pixel.
>
> Thanks in advance!
>
> Cheng
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