[Gate-users] How to read out created activity in phantom

Simon Rit simon.rit at creatis.insa-lyon.fr
Thu Jan 16 08:42:02 CET 2014

Hi Hermann,
We do this using the (new) storeAllStep option from the phase space actor
(in the git repository). You then will have all the Geant4 steps in a given
volume and you can process the root output to extract all sort of
information such as the number of primary particles that underwent nuclear
interactions, the scattering in the volume, etc.  It is important to have a
step limiter to obtain accurate results but I think it is always true for
hadronic simulations. Let me know if you would need some examples of root
macro files to process such an output.

On Thu, Jan 16, 2014 at 8:32 AM, Hermann Fuchs <
hermann.fuchs at meduniwien.ac.at> wrote:

>  Hello all,
> I am sending a particle beam into a phantom.
> I would like to read out which and how many unstable elements are created
> in a 3d volume. Is there an easy way of doing so?
> What I would like to have is some kind of phase space, but not recording
> the outgoing particles, instead
> recording the element distribution within a given phantom.
> Do you know if there is an easy way to do so?
> That is, without writing a new actor?
> Cheers,
> Hermann
> --
> -------------
> DI Hermann Fuchs
> Christian Doppler Laboratory for Medical Radiation Research for Radiation Oncology
> Department of Radiation Oncology
> Medical University Vienna
> Währinger Gürtel 18-20
> A-1090 Wien
> Tel.  + 43 / 1 / 40 400 7271
> Mail. hermann.fuchs at meduniwien.ac.at
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