[Gate-users] Attaching the sensitive detectors (SD) to trapezoid volume

[강한규]

Dear Xinjie Zeng,
 
In order to use trapezoidal geometry for PET simulation, "PETscanner" should be used.
 
In addition, please use "genericRepeater" for the defining of the trapezoidal geometry with a full-ring PET configuration.
 
Best regards,
 
Han Gyu
 
--------Han Gyu Kang, Ph.D, Researcher

National Institute of Radiological Sciences (NIRS)
National Institutes for Quantum and Radiological Science and Technology (QST)
 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, JAPAN
 
-----Original Message-----
From: "Xinjie Zeng"<xinjie.zeng at stonybrook.edu>
To: <gate-users at lists.opengatecollaboration.org>;
Cc:
Sent: 2021-11-09 (화) 05:43:22 (GMT+09:00)
Subject: [Gate-users] Attaching the sensitive detectors (SD) to trapezoid volume
 
Dear Gate-users,
 
I am defining a "general trapezoid" volume to the crystal and it works fine when I only look at the geometry. However, when I try to attach the sensitive detector to the crystal, the simulation breaks and fails. Please see below the set-up:

/gate/systems/cylindricalPET/crystal/attach   crystal
/gate/crystal/attachCrystalSD
 
The Break message is attached. Nevertheless, when I define the geometry to "box", everything is fine. Does someone have experience with this or is there a bug in the trapezoid volume for attachCrystalSD? I have also tried "wedge" volume and the simulation breaks, too. Any suggestions would be highly appreciated!
 
Thank you!
--
Xinjie Zeng
Ph.D. student 
Department of Electrical and Computer Engineering & Radiology
Stony Brook University
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