[Gate-users] Volume IDs for Generic "Scanner" System

Mon Oct 28 15:09:41 CET 2019

Hi Josh,

You didn't attached your geometry in your system.
Everything is explained here section 1.3 :
https://opengate.readthedocs.io/en/latest/defining_a_system_scanner_ct_pet_spect_optical.html#different-types-of-systems

Basically your need to put this line at the end of your geometry definition (and before attaching your sensitive detector) for each levels of your system:

systems/SystemName/Level/attach UserVolumeName

for example in your system:

systems/scanner/level1/attach Box1B

systems/scanner/level2/attach BoxB2a

systems/scanner/level3/attach BoxB2b

Good luck,

Emilie

________________________________
De : Gate-users <gate-users-bounces at lists.opengatecollaboration.org> de la part de gate-users-request at lists.opengatecollaboration.org <gate-users-request at lists.opengatecollaboration.org>
Envoyé : 27 octobre 2019 00:43
À : gate-users at lists.opengatecollaboration.org <gate-users at lists.opengatecollaboration.org>
Objet : Gate-users Digest, Vol 161, Issue 28

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Today's Topics:

   1. Volume IDs for Generic "Scanner" System (Josh Knowland)
   2. Secondary Particle Source (emission points) Locations     (XYZ)
      (Atiq Ur Rahman)
   3. Time of Flight of the secondary particles (Atiq Ur Rahman)

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Message: 1
Date: Sat, 26 Oct 2019 21:50:29 +0000
From: Josh Knowland <jknowland at lucernodynamics.com>
To: "gate-users at lists.opengatecollaboration.org"
        <gate-users at lists.opengatecollaboration.org>
Subject: [Gate-users] Volume IDs for Generic "Scanner" System
Message-ID:
        <BN8PR15MB28657190C1DD68164871A083AF640 at BN8PR15MB2865.namprd15.prod.outlook.com>

Content-Type: text/plain; charset="utf-8"

All - I am completely stuck.
I'm using a generic "scanner" system type, and would like to have multiple sensitive detectors in a mother volume for internal dosimetry.

If I have two SDs as daughters of the "world", all is OK - I get a singles output file with 0 or 1 in column 7 and 0 for columns 8 through 12 (easily telling me which SD registered the single).

If, however, I have a volume in the world with the two SDs inside it (and daughters of it instead of being daughters of the "world"), I get 0 for all columns 7-12. The simulation does record singles to each SD (based on coordinates), but it just doesn't tell me which volume ID each single is for!

I have attached simple sample code below as well as the output from the singles file.

Any help would be great! Thank you,
Josh

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Message: 2
Date: Sun, 27 Oct 2019 12:57:30 +0800
From: Atiq Ur Rahman <atiqchep at gmail.com>
To: gate-users at lists.opengatecollaboration.org
Subject: [Gate-users] Secondary Particle Source (emission points)
        Locations       (XYZ)
Message-ID:
        <CAEQ5Bgcov=ktLmZtCvdN9fX=S8_g=2+vY-yE7MwqbF+zFP-cPg at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Dear Users
I use the Proton beam and PMMA target. I want to get the source locations
of the  secondary particles created inside the target with event number.
I usually put a PET scanner connected with Sensitive detector, get the
events detail coning inside the Pet detector but now I need the locations
of the secondary Particles  inside the target?
Regards
Atiq
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Message: 3
Date: Sun, 27 Oct 2019 13:00:21 +0800
From: Atiq Ur Rahman <atiqchep at gmail.com>
To: gate-users at lists.opengatecollaboration.org
Subject: [Gate-users] Time of Flight of the secondary particles
Message-ID:
        <CAEQ5Bgcoui3jB=6QbqbSwejXpPw=jWhuuK0mhr5L--1FhFkKoA at mail.gmail.com>
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Dear users,
I am using the Proton beam to hit the PMMA target and get the secondary
particles  in  LYSO detector placed 15 cm away. I have
defined the scanner system. I want to calculate the time of Flight of the
Neutrons, Protons and Gammas.
Can you suggest me how I can get the time of flight of the secondary
particles (proton neutrons and gammas)?
Regards
Atiq
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