<div dir="ltr"><div dir="ltr">Dear Users,<div>I use the Proton beam and PMMA target. I want to get the source locations of the Prompt gammas and details of secondary particles created inside the target with event number. </div><div>How I can get the source locations of the prompt gammas inside the target?</div><div>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 prompt gammas inside the target? </div><div>I want to track the positions and time of all steps,tracks starting from the phantom to detector.(Primary Proton to secondaries).</div><div>What I did, I used the sensitive detector on the phantom and crystal both and sued simple scanner system. But it seems to me that the only get information about the phantom SD. My goal is to get the phase space data of the prompt gamma detector and map them on the detector.</div><div>Regards</div><div>Atiq</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Oct 17, 2019 at 7:13 PM <<a href="mailto:gate-users-request@lists.opengatecollaboration.org">gate-users-request@lists.opengatecollaboration.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Send Gate-users mailing list submissions to<br>
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Today's Topics:<br>
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1. Re: Gate-users Digest, Vol 161, Issue 16 (Atiq Ur Rahman)<br>
2. Re: Description of eventID, TrackID and parentID when attach<br>
a sensitive detector (Atiq Ur Rahman)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Wed, 16 Oct 2019 22:53:32 +0800<br>
From: Atiq Ur Rahman <<a href="mailto:atiqchep@gmail.com" target="_blank">atiqchep@gmail.com</a>><br>
To: <a href="mailto:gate-users@lists.opengatecollaboration.org" target="_blank">gate-users@lists.opengatecollaboration.org</a><br>
Subject: Re: [Gate-users] Gate-users Digest, Vol 161, Issue 16<br>
Message-ID:<br>
<CAEQ5BgdwJOsTME=<a href="mailto:iSYwwG6eQSg-azgpNCrBKuhqB8OGTgsvyaA@mail.gmail.com" target="_blank">iSYwwG6eQSg-azgpNCrBKuhqB8OGTgsvyaA@mail.gmail.com</a>><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
hi John,<br>
Thank you so much for your nice explanation. I got the Idea of the track<br>
ID but I am still confuse with the trackLocalTime track local time<br>
variable. What is the reference of each time stamp?<br>
I actually want to calculate the clustering time (rough time needed to<br>
deposit all the energy of the particle entered into the detector). Let say,<br>
we have a gamma of 4.4 MeV. it hit the detector having pdgEncoding=22, it<br>
produces many hits in different crystals. I calculate the cluster<br>
size(number of distinct hits in the all crystals). I also want to calculate<br>
the time required for the formation of the cluster. Simply say, time needed<br>
to deposit all the energy of the incident particles. In my opinion, gammas<br>
may have short clustering time than heavy particles. Is any way to do this<br>
calculation?<br>
Regards<br>
Atiq<br>
On Wed, Oct 16, 2019 at 6:16 PM <<br>
<a href="mailto:gate-users-request@lists.opengatecollaboration.org" target="_blank">gate-users-request@lists.opengatecollaboration.org</a>> wrote:<br>
<br>
> Send Gate-users mailing list submissions to<br>
> <a href="mailto:gate-users@lists.opengatecollaboration.org" target="_blank">gate-users@lists.opengatecollaboration.org</a><br>
><br>
> To subscribe or unsubscribe via the World Wide Web, visit<br>
> <a href="http://lists.opengatecollaboration.org/mailman/listinfo/gate-users" rel="noreferrer" target="_blank">http://lists.opengatecollaboration.org/mailman/listinfo/gate-users</a><br>
> or, via email, send a message with subject or body 'help' to<br>
> <a href="mailto:gate-users-request@lists.opengatecollaboration.org" target="_blank">gate-users-request@lists.opengatecollaboration.org</a><br>
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> When replying, please edit your Subject line so it is more specific<br>
> than "Re: Contents of Gate-users digest..."<br>
><br>
><br>
> Today's Topics:<br>
><br>
> 1. Re: Description of eventID, TrackID and parentID when attach<br>
> a sensitive detector (John Apostolakis)<br>
><br>
><br>
> ----------------------------------------------------------------------<br>
><br>
> Message: 1<br>
> Date: Wed, 16 Oct 2019 09:03:34 +0000<br>
> From: John Apostolakis <<a href="mailto:John.Apostolakis@cern.ch" target="_blank">John.Apostolakis@cern.ch</a>><br>
> To: Atiq Ur Rahman <<a href="mailto:atiqchep@gmail.com" target="_blank">atiqchep@gmail.com</a>><br>
> Cc: "<a href="mailto:gate-users@lists.opengatecollaboration.org" target="_blank">gate-users@lists.opengatecollaboration.org</a>"<br>
> <<a href="mailto:gate-users@lists.opengatecollaboration.org" target="_blank">gate-users@lists.opengatecollaboration.org</a>><br>
> Subject: Re: [Gate-users] Description of eventID, TrackID and parentID<br>
> when attach a sensitive detector<br>
> Message-ID: <<a href="mailto:E7B8656C-81D4-442B-85DD-82A4127D895B@cern.ch" target="_blank">E7B8656C-81D4-442B-85DD-82A4127D895B@cern.ch</a>><br>
> Content-Type: text/plain; charset="utf-8"<br>
><br>
> Dear Atiq,<br>
><br>
> Geant4 puts secondary particles on a stack, and when a particle is<br>
> finished being tracked picks up the last particle that was put there.<br>
><br>
> Once all the secondaries of the last particle have been dealt with<br>
> (assuming that they did not create secondaries themselves) then the next<br>
> particle that was created by the parent of that last particle will be<br>
> processed.<br>
><br>
> So the behaviour that your image documents seems quite natural.<br>
><br>
> Regards,<br>
> John<br>
> ===================================================<br>
> John Apostolakis, EP Department, CERN<br>
><br>
> On 15 Oct 2019, at 23:57, Atiq Ur Rahman <<a href="mailto:atiqchep@gmail.com" target="_blank">atiqchep@gmail.com</a><mailto:<br>
> <a href="mailto:atiqchep@gmail.com" target="_blank">atiqchep@gmail.com</a>>> wrote:<br>
><br>
> Dear Users,<br>
> I am using a proton beam on a PE phantom and put PET scanner and attach a<br>
> sensitive detector with it. I have printed the data column wise. How to<br>
> understand parentID and trackID.<br>
> In my understanding parentID is the ID of the mother particle causing<br>
> current hit. Time is in increasing sequences some how but some time, it<br>
> is smaller then the previous hit.<br>
> <image.png><br>
> I am attaching a situation when timestamp of next hit is smaller than<br>
> previous time.<br>
> <image.png><br>
> Can you explain that with what reference timestamp is generated in Gate?<br>
> Regards<br>
> Atiq<br>
><br>
> _______________________________________________<br>
> Gate-users mailing list<br>
> <a href="mailto:Gate-users@lists.opengatecollaboration.org" target="_blank">Gate-users@lists.opengatecollaboration.org</a><mailto:<br>
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Message: 2<br>
Date: Wed, 16 Oct 2019 23:09:26 +0800<br>
From: Atiq Ur Rahman <<a href="mailto:atiqchep@gmail.com" target="_blank">atiqchep@gmail.com</a>><br>
To: John Apostolakis <<a href="mailto:John.Apostolakis@cern.ch" target="_blank">John.Apostolakis@cern.ch</a>><br>
Cc: <a href="mailto:gate-users@lists.opengatecollaboration.org" target="_blank">gate-users@lists.opengatecollaboration.org</a><br>
Subject: Re: [Gate-users] Description of eventID, TrackID and parentID<br>
when attach a sensitive detector<br>
Message-ID:<br>
<CAEQ5BgdxTRcrYHLJSATDAcvDu3nz++v4+ztgbhVNEA=<a href="mailto:ZRuprNA@mail.gmail.com" target="_blank">ZRuprNA@mail.gmail.com</a>><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Hi John,<br>
Thank you so much for your nice explanation. I got the Idea of the track<br>
ID but I am still confuse with the trackLocalTime track local time<br>
variable. What is the reference of each time stamp?<br>
I actually want to calculate the clustering time (rough time needed to<br>
deposit all the energy of the particle entered into the detector). Let say,<br>
we have a gamma of 4.4 MeV. it hit the detector having pdgEncoding=22, it<br>
produces many hits in different crystals. I calculate the cluster<br>
size(number of distinct hits in the all crystals). I also want to calculate<br>
the time required for the formation of the cluster. Simply say, time needed<br>
to deposit all the energy of the incident particles. In my opinion, gammas<br>
may have short clustering time than heavy particles. Is any way to do this<br>
calculation?<br>
Regards<br>
Atiq<br>
<br>
On Wed, Oct 16, 2019 at 5:03 PM John Apostolakis <<a href="mailto:John.Apostolakis@cern.ch" target="_blank">John.Apostolakis@cern.ch</a>><br>
wrote:<br>
<br>
> Dear Atiq,<br>
><br>
> Geant4 puts secondary particles on a stack, and when a particle is<br>
> finished being tracked picks up the last particle that was put there.<br>
><br>
> Once all the secondaries of the last particle have been dealt with<br>
> (assuming that they did not create secondaries themselves) then the next<br>
> particle that was created by the parent of that last particle will be<br>
> processed.<br>
><br>
> So the behaviour that your image documents seems quite natural.<br>
><br>
> Regards,<br>
> John<br>
> ===================================================<br>
> John Apostolakis, EP Department, CERN<br>
><br>
> On 15 Oct 2019, at 23:57, Atiq Ur Rahman <<a href="mailto:atiqchep@gmail.com" target="_blank">atiqchep@gmail.com</a>> wrote:<br>
><br>
> Dear Users,<br>
> I am using a proton beam on a PE phantom and put PET scanner and attach a<br>
> sensitive detector with it. I have printed the data column wise. How to<br>
> understand parentID and trackID.<br>
> In my understanding parentID is the ID of the mother particle causing<br>
> current hit. Time is in increasing sequences some how but some time, it<br>
> is smaller then the previous hit.<br>
> <image.png><br>
> I am attaching a situation when timestamp of next hit is smaller than<br>
> previous time.<br>
> <image.png><br>
> Can you explain that with what reference timestamp is generated in Gate?<br>
> Regards<br>
> Atiq<br>
><br>
> _______________________________________________<br>
> Gate-users mailing list<br>
> <a href="mailto:Gate-users@lists.opengatecollaboration.org" target="_blank">Gate-users@lists.opengatecollaboration.org</a><br>
> <a href="http://lists.opengatecollaboration.org/mailman/listinfo/gate-users" rel="noreferrer" target="_blank">http://lists.opengatecollaboration.org/mailman/listinfo/gate-users</a><br>
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><br>
><br>
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</blockquote></div></div>