[Gate-users] Parallel Hole Collimator
Jon Moody
jbmoody at umich.edu
Wed Mar 13 15:44:47 CET 2013
I have not used this feature. When you said you tried it and it didn't
work what happened?
Was the collimator attached to the phantomSD by the command
/gate/collimator/attachPhantomSD
--
Jon
On 3/12/2013 5:52 PM, Carlos Uribe wrote:
> Thanks for the reply Jonathan..
>
> Do you know then how can I use
>
> /gate/output/analysis/recordSeptalPenetration true
> /gate/output/analysis/setSeptalVolumeName collimator
>
> with this way of specifying the collimator?
>
> Carlos
>
>
> On Tue, Mar 12, 2013 at 11:18 AM, Jonathan Moody <jbm139 at gmail.com
> <mailto:jbm139 at gmail.com>> wrote:
>
> Hi Carlos,
>
> I think "parallelbeam" collimator construction has not been
> working right since Gate v.5.0.0, so the other option is to use
> cubicArray and linear repeaters as Giuseppe mentioned. In this
> case, the septal thickness is defined implicitly in the two
> repeatVectors. For hexagonal shaped holes the second and third
> components of the cubicArray repeatVector are:
>
> Ry = hole_diameter + septal_thickness
> Rz = Ry * sqrt(3)
>
> where hole_diameter is defined across the flat sides. The
> corresponding two components of the linear repeatVector are:
>
> Ly = Ry / 2
> Lz = Rz / 2
>
> (the x-components of both repeatVectors are 0). Then the
> cubicArray repeatNumberY/Z determine the number of holes in each
> direction divided by 2.
> --
> Jon
>
>
>
> On 3/12/2013 1:16 PM, Carlos Uribe wrote:
>> Hi Giuseppe,
>>
>> Thanks for your reply...I tried it but it still doesn't solve the
>> problem.
>>
>> I know that I can use your specified macro to create a collimator
>> step by step. However, I do want to use the option given in the
>> guide using the
>>
>> /gate/SPECThead/daughters/insert parallelbeam
>>
>> This has a parameter that specifies the septal thickness
>>
>> /gate/colli/geometry/setSeptalThickness 0.2 cm
>>
>> I guess I will be able to track the septal penetration using
>>
>> /gate/output/analysis/recordSeptalPenetration true
>> /gate/output/analysis/setSeptalVolumeName collimator
>>
>> I've tried this using the macro that you suggested and it doesn't
>> work. I assume that you need to set the septal thickness shown
>> in the guide's example. If there's another way that someone
>> knows to make it work please let me know.
>>
>> Thanks,
>>
>> Carlos
>>
>>
>>
>> On Tue, Mar 12, 2013 at 5:26 AM, Giuseppe Magro
>> <beppe.magro at gmail.com <mailto:beppe.magro at gmail.com>> wrote:
>>
>>
>> /gate/colli/setMaterial Lead
>>
>> (instead of setMaterialName)
>>
>> Example (shielding as mother volume):
>>
>> #=====================================
>> # Collimator
>> #=====================================
>>
>> /gate/shielding/daughters/name collimator
>> /gate/shielding/daughters/insert box
>> /gate/collimator/geometry/setXLength 3. cm
>> /gate/collimator/geometry/setYLength 19. cm
>> /gate/collimator/geometry/setZLength 28. cm
>> /gate/collimator/placement/setTranslation -2. 0. 0. cm
>> /gate/collimator/setMaterial Lead
>> /gate/collimator/vis/setColor red
>> /gate/collimator/vis/forceWireframe
>> /gate/collimator/describe
>>
>> /gate/collimator/daughters/name hole
>> /gate/collimator/daughters/insert hexagone
>> /gate/hole/geometry/setHeight 3. cm
>> /gate/hole/geometry/setRadius .15 cm
>> /gate/hole/placement/setRotationAxis 0 1 0
>> /gate/hole/placement/setRotationAngle 90 deg
>> /gate/hole/placement/setTranslation 0. -0.25 -0.25 cm #
>> /gate/hole/setMaterial Air
>> /gate/hole/describe
>>
>> /gate/hole/repeaters/insert cubicArray
>> /gate/hole/cubicArray/setRepeatNumberX 1
>> /gate/hole/cubicArray/setRepeatNumberY 18 #9
>> /gate/hole/cubicArray/setRepeatNumberZ 27 #9
>> /gate/hole/cubicArray/setRepeatVector 0. 1. 1. cm
>> /gate/hole/cubicArray/autoCenter true #false
>>
>> /gate/hole/repeaters/insert linear
>> /gate/hole/linear/setRepeatNumber 2
>> /gate/hole/linear/setRepeatVector 0. 0.5 0.5 cm
>> /gate/hole/linear/autoCenter false
>>
>>
>> Regards,
>>
>> Giuseppe M.
>> PhD Student - CNAO
>>
>> On 12 March 2013 12:00,
>> <gate-users-request at lists.opengatecollaboration.org
>> <mailto:gate-users-request at lists.opengatecollaboration.org>>
>> wrote:
>>
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>> Today's Topics:
>>
>> 1. Parallel hole Collimator (Carlos Uribe)
>> 2. Re: ASCII output (Carlos Uribe)
>> 3. Re: Process for Photon Evaporation (Hermann Fuchs)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Mon, 11 Mar 2013 11:31:41 -0700
>> From: Carlos Uribe <carluri at phas.ubc.ca
>> <mailto:carluri at phas.ubc.ca>>
>> To: "gate-users at lists.opengatecollaboration.org
>> <mailto:gate-users at lists.opengatecollaboration.org>"
>> <gate-users at lists.opengatecollaboration.org
>> <mailto:gate-users at lists.opengatecollaboration.org>>
>> Subject: [Gate-users] Parallel hole Collimator
>> Message-ID:
>>
>> <CAPJy_1TcFTKwiEpu_Zicc=+UKYN3hfHMjvhumfzWL6AxyZ+1Sg at mail.gmail.com
>> <mailto:UKYN3hfHMjvhumfzWL6AxyZ%2B1Sg at mail.gmail.com>>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> Hello everyone,
>>
>> I'm following the user's guide
>> http://wiki.opengatecollaboration.org/index.php/Users_Guide_V6.2:Defining_a_system
>> trying to model a parallel hole collimator.
>>
>> The guide shows the following example:
>>
>> /gate/SPECThead/daughters/name colli
>>
>> #specify that the parallel beam collimator setup must be used
>> /gate/SPECThead/daughters/insert parallelbeam
>>
>> #set the collimator material
>> /gate/colli/setMaterialName Lead
>>
>> #set the collimator dimensions
>> /gate/colli/geometry/setDimensionX 70 cm
>> /gate/colli/geometry/setDimensionY 80 cm
>>
>> #set the thickness of the collimator
>> /gate/colli/geometry/setHeight 3 cm
>>
>> #specify the hole radius
>> /gate/colli/geometry/setInnerRadius 0.5 cm
>>
>> #set the septal thickness to the required distance
>> between the holes
>> /gate/colli/geometry/setSeptalThickness 0.2 cm
>> /gate/colli/placement/alignToX
>> /gate/colli/placement/setRotationAxis 0 0 1
>> /gate/colli/placement/setRotationAngle -90 deg
>>
>>
>> I'm getting a problem as follows:
>>
>> /opt/simulation/gate_v6.2/source/geometry/src/GateVVolume.cc
>> (l.179): The
>> material of the volume side hole 1 is not defined.
>>
>> Anyone knows how to fix this?
>>
>> Thanks,
>>
>> --
>> Carlos F Uribe
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>> ------------------------------
>>
>> Message: 2
>> Date: Mon, 11 Mar 2013 12:40:11 -0700
>> From: Carlos Uribe <carluri at phas.ubc.ca
>> <mailto:carluri at phas.ubc.ca>>
>> To: samira nezhad <sn90113 at gmail.com
>> <mailto:sn90113 at gmail.com>>
>> Cc: "gate-users at lists.opengatecollaboration.org
>> <mailto:gate-users at lists.opengatecollaboration.org>"
>> <gate-users at lists.opengatecollaboration.org
>> <mailto:gate-users at lists.opengatecollaboration.org>>
>> Subject: Re: [Gate-users] ASCII output
>> Message-ID:
>>
>> <CAPJy_1QZT9uYF1VmobA3Mk2xMfS_2MRTmQfv41x=2nVvdJ2ssg at mail.gmail.com
>> <mailto:2nVvdJ2ssg at mail.gmail.com>>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> I had the same problem and here is how I fixed it
>>
>> In the GateConfiguration.h.in
>> <http://GateConfiguration.h.in>
>> <http://gateconfiguration.h.in/> file found
>> within the home folder of Gate, change this line:
>>
>>
>> #cmakedefine GATE_USE_FILE @GATE_USE_FILE@
>>
>>
>> to this:
>>
>> #cmakedefine GATE_ANALYSIS_USE_FILE
>> @GATE_ANALYSIS_USE_FILE@
>>
>>
>> Recompile Gate and it should now work!
>>
>> Cheers,
>>
>> Carlos
>>
>>
>> On Sun, Mar 10, 2013 at 3:10 AM, samira nezhad
>> <sn90113 at gmail.com <mailto:sn90113 at gmail.com>> wrote:
>>
>> > Dear all,
>> >
>> > I need to ASCII output but by gate6.2 i couldn't get it .
>> > when use this command
>> > /gate/output/ascii/enable
>> >
>> > It gives this error message:
>> >
>> > COMMAND NOT FOUND
>> >
>> > I appreciate if you guide me, thanks in advance
>> >
>> > Best regards,
>> >
>> >
>> >
>> > _______________________________________________
>> > Gate-users mailing list
>> > Gate-users at lists.opengatecollaboration.org
>> <mailto:Gate-users at lists.opengatecollaboration.org>
>> >
>> http://lists.opengatecollaboration.org/mailman/listinfo/gate-users
>> >
>> > --
>> > Carlos F Uribe
>> >
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>> ------------------------------
>>
>> Message: 3
>> Date: Tue, 12 Mar 2013 10:11:10 +0100
>> From: Hermann Fuchs <hermann.fuchs at meduniwien.ac.at
>> <mailto:hermann.fuchs at meduniwien.ac.at>>
>> To: Carlos Uribe <carluri at phas.ubc.ca
>> <mailto:carluri at phas.ubc.ca>>
>> Cc: "gate-users at lists.opengatecollaboration.org
>> <mailto:gate-users at lists.opengatecollaboration.org>"
>> <gate-users at lists.opengatecollaboration.org
>> <mailto:gate-users at lists.opengatecollaboration.org>>
>> Subject: Re: [Gate-users] Process for Photon Evaporation
>> Message-ID:
>>
>> <1363079470.5371.3.camel at strahlen41.strahlen.meduniwien.ac.at
>> <mailto:1363079470.5371.3.camel at strahlen41.strahlen.meduniwien.ac.at>>
>> Content-Type: text/plain; charset="utf-8"
>>
>> That is an interesting question.
>>
>> Could you keep me informed on your findings?
>> If it isn't already in Gate it should be easy to add.
>> Just contact me and I can help you with this or implement
>> it for you.
>>
>> Best reards,
>> Hermann
>>
>> On Fri, 2013-03-08 at 12:22 -0800, Carlos Uribe wrote:
>> > Hello everybody,
>> >
>> >
>> >
>> > Can anyone please tell me which process to add to my
>> Physics list in
>> > order to see the de-exitation of the metastable daughter?
>> >
>> >
>> > The parent follows a beta-minus decay which works great
>> except I don't
>> > see the gammas generated by the metastable daughter.
>> >
>> >
>> > I am using
>> > /gate/physics/addProcess RadioactiveDecay
>> >
>> >
>> > but apparently, Geant4 handles the meta-stable states
>> through the
>> > existing photo-evaporation code;
>> >
>> >
>> >
>> > How do I set the photon evaporation process?
>> >
>> >
>> > Thanks in advance,
>> > --
>> >
>> >
>> > Carlos F Uribe
>> >
>> > _______________________________________________
>> > Gate-users mailing list
>> > Gate-users at lists.opengatecollaboration.org
>> <mailto:Gate-users at lists.opengatecollaboration.org>
>> >
>> http://lists.opengatecollaboration.org/mailman/listinfo/gate-users
>>
>>
>> --
>> -------------
>> DI Hermann Fuchs
>> Christian Doppler Laboratory for Medical Radiation
>> Research for Radiation Oncology
>> Department of Radiation Oncology
>> Medical University Vienna
>> W?hringer G?rtel 18-20
>> A-1090 Wien
>>
>> Tel. + 43 / 1 / 40 400 7271
>> <tel:%2B%2043%20%2F%201%20%2F%2040%20400%207271>
>> Mail. hermann.fuchs at meduniwien.ac.at
>> <mailto:hermann.fuchs at meduniwien.ac.at>
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>> --
>> Carlos F Uribe
>>
>>
>>
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>
>
>
>
> --
> Carlos F Uribe
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