[Gate-users] Gate-users Digest, Vol 144, Issue 28

P. T. ptpphysics at gmail.com
Tue May 29 21:39:56 CEST 2018 

Hi Moritz,
Thanks for your response.
As you mentioned, the KillActor work correctly with digitizer module, but
because of the limitation in the number of primary definition in Actor
modules, the KillActor in the imaging system, which we define source
activity and imaging time, has some limitation in high-count rate logging.

Best Regards,
Pat


On Tue, May 29, 2018 at 2:30 PM, <
gate-users-request at lists.opengatecollaboration.org> wrote:

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> Today's Topics:
>
>    1. Re: Kill actor (P. T.) (Moritz Schaar)
>    2. Extract data of .root file (Maikol Salas Ramirez)
>    3. Re: Kill actor (P. T.) (Boersma David)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 28 May 2018 12:45:35 +0000
> From: Moritz Schaar <schaar at imt.uni-luebeck.de>
> To: "gate-users at lists.opengatecollaboration.org"
>         <gate-users at lists.opengatecollaboration.org>
> Subject: Re: [Gate-users] Kill actor (P. T.)
> Message-ID:
>         <11252fb6ac4c4ae2b90f061c6401d186 at mail2013.imt.uni-luebeck.de>
> Content-Type: text/plain; charset="utf-8"
>
> Hi Pat,
>
> you can use the "KillActor" in combination with a "particleFilter". An
> example from the wiki would be:
> /gate/actor/addActor     KillActor                    MyActor
> /gate/actor/MyActor/save                              MyOutputFile.txt
> /gate/actor/MyActor/attachTo                          MyVolume
> /gate/actor/MyActor/addFilter                         particleFilter
> /gate/actor/MyActor/particleFilter/addParticle        e-
> /gate/actor/MyActor/particleFilter/addParticle        e+
>
> From my experience, this stops the track whenever a given particle type
> (here e- or e+) enters the volume labeled "MyVolume" and generates a hit at
> the entrance positon.
> This will be used correctly in the digitizer afterwards.
> I used this setup for my PET application and successfully filtered gamma
> events.
> But be aware, that at least for Gate v7.2 this results in significant
> increase of memory consumption while simulating. This gets worse the longer
> you simulate.
> I tried to solve the issue by playing with settings like "
> setResetDataAtEachRunFlag" and other options but did not manage to succeed.
> Maybe another GATE user can jump in and help at this point.
>
> Best,
> Moritz
>
>
> ----------------------------------------------------------------------
>
> Date: Sun, 27 May 2018 18:25:41 +0330
> From: "P. T." <ptpphysics at gmail.com>
> To: gate-users <gate-users at lists.opengatecollaboration.org>
> Subject: [Gate-users] Kill actor
> Message-ID:
>         <CAJ9ZRTJQc4fzWut_jSi9X4QMW=L+4vg2ym5fFiYh_pELtJ8t8A at mail.
> gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Dear Gater,
> Is it possible to forced gamma rays or electrons to absorb in specific
> volume (detector)?
> And so, I know that Kill actor could kill tracks entering the volume, but
> is it possible to kill tracks entering the volume, in digitizer mode
> (imaging system?
>
> Regards,
> Pat
>
> ------------------------------
>
> Message: 2
> Date: Tue, 29 May 2018 09:51:06 +0200
> From: Maikol Salas Ramirez <mmsalas at gmail.com>
> To: gate-users <gate-users at lists.opengatecollaboration.org>
> Subject: [Gate-users] Extract data of .root file
> Message-ID:
>         <CAAGVOVkPEM=Feu8boXsNdEBgXiN_AC1q+_ntoS1mQRr5aDGYyw at mail.
> gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Dear Gate users,
>
> I would like to extract the info of the .root file generated during the
> simulation. The problem that I have is that this .root file store the
> energy deposited in many histograms (one for each position of the source),
> for example I have:
> edep Histo,1
> edep Histo,2
> edep Histo,3
> edep Histo,4
> edep Histo,5
> edep Histo,6
>
> I can not find the way to access the tree and extract the info for an
> specific Histo.
>
> If some one has some experience I appreciate any help.
>
> Best regards.
> Maikol
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> ------------------------------
>
> Message: 3
> Date: Tue, 29 May 2018 08:24:13 +0000
> From: Boersma David <david.boersma at medaustron.at>
> To: Moritz Schaar <schaar at imt.uni-luebeck.de>,
>         "gate-users at lists.opengatecollaboration.org"
>         <gate-users at lists.opengatecollaboration.org>
> Subject: Re: [Gate-users] Kill actor (P. T.)
> Message-ID:
>         <AM6PR04MB4582B6C49FB561AE8EEB1598F86D0 at AM6PR04MB4582.
> eurprd04.prod.outlook.com>
>
> Content-Type: text/plain; charset="utf-8"
>
> Hi!
>
> (see inline comment below)
>
> > -----Original Message-----
> > From: Gate-users [mailto:gate-users-
> > bounces at lists.opengatecollaboration.org] On Behalf Of Moritz Schaar
> > Sent: Monday, May 28, 2018 2:46 PM
> > To: gate-users at lists.opengatecollaboration.org
> > Subject: Re: [Gate-users] Kill actor (P. T.)
> >
> > Hi Pat,
> >
> > you can use the "KillActor" in combination with a "particleFilter". An
> example
> > from the wiki would be:
> > /gate/actor/addActor     KillActor                    MyActor
> > /gate/actor/MyActor/save                              MyOutputFile.txt
> > /gate/actor/MyActor/attachTo                          MyVolume
> > /gate/actor/MyActor/addFilter                         particleFilter
> > /gate/actor/MyActor/particleFilter/addParticle        e-
> > /gate/actor/MyActor/particleFilter/addParticle        e+
> >
> > From my experience, this stops the track whenever a given particle type
> > (here e- or e+) enters the volume labeled "MyVolume" and generates a hit
> > at the entrance positon.
> > This will be used correctly in the digitizer afterwards.
> > I used this setup for my PET application and successfully filtered gamma
> > events.
> > But be aware, that at least for Gate v7.2 this results in significant
> increase of
> > memory consumption while simulating. This gets worse the longer you
> > simulate.
>
> This description (RAM usage increases during Gate run to problematic
> levels) actually sounds to me very much like a bug, like a typical memory
> leak.
>
> Whenever Gate does things like this, please consider reporting this as an
> "issue" on GitHub (https://github.com/OpenGATE/Gate/issues).
> (And if you would like to be really helpful: verify that the problems you
> observe are reproducible with the latest release, or even better, with the
> develop version from GitHub!)
>
> Thanks,
> David
>
> > I tried to solve the issue by playing with settings like "
> > setResetDataAtEachRunFlag" and other options but did not manage to
> > succeed.
> > Maybe another GATE user can jump in and help at this point.
> >
> > Best,
> > Moritz
> >
> >
> > ----------------------------------------------------------------------
> >
> > Date: Sun, 27 May 2018 18:25:41 +0330
> > From: "P. T." <ptpphysics at gmail.com>
> > To: gate-users <gate-users at lists.opengatecollaboration.org>
> > Subject: [Gate-users] Kill actor
> > Message-ID:
> > <CAJ9ZRTJQc4fzWut_jSi9X4QMW=L+4vg2ym5fFiYh_pELtJ8t8A at mail.
> > gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Dear Gater,
> > Is it possible to forced gamma rays or electrons to absorb in specific
> volume
> > (detector)?
> > And so, I know that Kill actor could kill tracks entering the volume,
> but is it
> > possible to kill tracks entering the volume, in digitizer mode (imaging
> system?
> >
> > Regards,
> > Pat
> > _______________________________________________
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>
> End of Gate-users Digest, Vol 144, Issue 28
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