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Hi Josh,</div>
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You didn't attached your geometry in your system.</div>
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Everything is explained here section 1.3 : <br>
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<a href="https://opengate.readthedocs.io/en/latest/defining_a_system_scanner_ct_pet_spect_optical.html#different-types-of-systems" id="LPlnk616311">https://opengate.readthedocs.io/en/latest/defining_a_system_scanner_ct_pet_spect_optical.html#different-types-of-systems</a><br>
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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:</div>
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<pre><span>systems</span><span>/</span><span>SystemName</span><span>/</span><span>Level</span><span>/</span><span>attach</span> <span>UserVolumeName</span></pre>
<span id="��"></span>for example in your system:</div>
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<pre><span>systems</span><span>/scanner</span><span>/</span><span>level1</span><span>/</span><span>attach</span> Box1B<br><pre><span>systems</span><span>/scanner</span><span>/</span><span>level2</span><span>/</span><span>attach</span> BoxB2a<pre><span>systems</span><span>/scanner</span><span>/</span><span>level3</span><span>/</span><span>attach</span> BoxB2b</pre></pre><span></span><span style="font-family: Calibri, Helvetica, sans-serif;">Good luck,</span><br><br><span style="font-family: Calibri, Helvetica, sans-serif;">Emilie</span><br></pre>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>De :</b> Gate-users <gate-users-bounces@lists.opengatecollaboration.org> de la part de gate-users-request@lists.opengatecollaboration.org <gate-users-request@lists.opengatecollaboration.org><br>
<b>Envoyé :</b> 27 octobre 2019 00:43<br>
<b>À :</b> gate-users@lists.opengatecollaboration.org <gate-users@lists.opengatecollaboration.org><br>
<b>Objet :</b> Gate-users Digest, Vol 161, Issue 28</font>
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Today's Topics:<br>
<br>
   1. Volume IDs for Generic "Scanner" System (Josh Knowland)<br>
   2. Secondary Particle Source (emission points) Locations     (XYZ)<br>
      (Atiq Ur Rahman)<br>
   3. Time of Flight of the secondary particles (Atiq Ur Rahman)<br>
<br>
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----------------------------------------------------------------------<br>
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Message: 1<br>
Date: Sat, 26 Oct 2019 21:50:29 +0000<br>
From: Josh Knowland <jknowland@lucernodynamics.com><br>
To: "gate-users@lists.opengatecollaboration.org"<br>
        <gate-users@lists.opengatecollaboration.org><br>
Subject: [Gate-users] Volume IDs for Generic "Scanner" System<br>
Message-ID:<br>
        <BN8PR15MB28657190C1DD68164871A083AF640@BN8PR15MB2865.namprd15.prod.outlook.com><br>
        <br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
All - I am completely stuck.<br>
I'm using a generic "scanner" system type, and would like to have multiple sensitive detectors in a mother volume for internal dosimetry.<br>
<br>
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).<br>
<br>
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!<br>
<br>
I have attached simple sample code below as well as the output from the singles file.<br>
<br>
Any help would be great! Thank you,<br>
Josh<br>
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<br>
Message: 2<br>
Date: Sun, 27 Oct 2019 12:57:30 +0800<br>
From: Atiq Ur Rahman <atiqchep@gmail.com><br>
To: gate-users@lists.opengatecollaboration.org<br>
Subject: [Gate-users] Secondary Particle Source (emission points)<br>
        Locations       (XYZ)<br>
Message-ID:<br>
        <CAEQ5Bgcov=ktLmZtCvdN9fX=S8_g=2+vY-yE7MwqbF+zFP-cPg@mail.gmail.com><br>
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Dear Users<br>
I use the Proton beam and PMMA target. I want to get the source locations<br>
of the  secondary particles created inside the target with event number.<br>
I usually put a PET scanner connected with Sensitive detector, get the<br>
events detail coning inside the Pet detector but now I need the locations<br>
of the secondary Particles  inside the target?<br>
Regards<br>
Atiq<br>
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<br>
Message: 3<br>
Date: Sun, 27 Oct 2019 13:00:21 +0800<br>
From: Atiq Ur Rahman <atiqchep@gmail.com><br>
To: gate-users@lists.opengatecollaboration.org<br>
Subject: [Gate-users] Time of Flight of the secondary particles<br>
Message-ID:<br>
        <CAEQ5Bgcoui3jB=6QbqbSwejXpPw=jWhuuK0mhr5L--1FhFkKoA@mail.gmail.com><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Dear users,<br>
I am using the Proton beam to hit the PMMA target and get the secondary<br>
particles  in  LYSO detector placed 15 cm away. I have<br>
defined the scanner system. I want to calculate the time of Flight of the<br>
Neutrons, Protons and Gammas.<br>
Can you suggest me how I can get the time of flight of the secondary<br>
particles (proton neutrons and gammas)?<br>
Regards<br>
Atiq<br>
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End of Gate-users Digest, Vol 161, Issue 28<br>
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