[Gate-users] Problems with scoring edep and dose in non rectangular geometries and CAD geometries

[Elia Alessio]

Hi Leonie,

thanks for your email. Concerning the first point you spotted could you be more precise? (for example what do you mean with "different results with different order of magnitude"?). With respect to the second point, this is a known behavior of the dose actor. At the moment, it cannot handle correctly non-regular geometries as far as I know. I would recommend you to work with the edep and then post-process the dose.

Hope it can help!

Best
Alessio

From: Gate-users [mailto:gate-users-bounces at lists.opengatecollaboration.org] On Behalf Of Leonie Brodbek
Sent: Montag, 08. Oktober 2018 10:31
To: Gate-users at lists.opengatecollaboration.org
Subject: [Gate-users] Problems with scoring edep and dose in non rectangular geometries and CAD geometries


Dear all,



we try to perform simulations of different detectors with Gate and have some problems when scoring dose and edep in different volumes, perhaps anyone can help us with these issues:



- When we score dose and edep in a gate constructed geometry and in the same CAD geometry we obtain different results with different orders of magnitude (even in rectangular geometries).



- When we score dose and edep in non rectangular geometries we cannot recalculate the dose out of edep and it seems that the dose in Gate is calculated by a geometry surrounding the real geometry but having rectangular corners, e.g. for a sphere of radius 0.5 cm the dose can be recalculated out of edep  by a cube with side length 1 cm.



We would be very thankful for any help!



Kind regards

Leonie Brodbek
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