[Gate-users] Parallel Hole Collimator
Carlos Uribe
carluri at phas.ubc.ca
Tue Mar 12 22:52:54 CET 2013
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> 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>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> wrote:
>>
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>>> When replying, please edit your Subject line so it is more specific
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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>
>>> To: "gate-users at lists.opengatecollaboration.org"
>>> <gate-users at lists.opengatecollaboration.org>
>>> Subject: [Gate-users] Parallel hole Collimator
>>> Message-ID:
>>> <CAPJy_1TcFTKwiEpu_Zicc=+
>>> UKYN3hfHMjvhumfzWL6AxyZ+1Sg 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>
>>> To: samira nezhad <sn90113 at gmail.com>
>>> Cc: "gate-users at lists.opengatecollaboration.org"
>>> <gate-users at lists.opengatecollaboration.org>
>>> Subject: Re: [Gate-users] ASCII output
>>> Message-ID:
>>> <CAPJy_1QZT9uYF1VmobA3Mk2xMfS_2MRTmQfv41x=
>>> 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/> 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>
>>> 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
>>> > 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>
>>> To: Carlos Uribe <carluri at phas.ubc.ca>
>>> Cc: "gate-users at lists.opengatecollaboration.org"
>>> <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>
>>> 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
>>> > 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<%2B%2043%20%2F%201%20%2F%2040%20400%207271>
>>> Mail. hermann.fuchs at meduniwien.ac.at
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>>> ------------------------------
>>>
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>>> End of Gate-users Digest, Vol 82, Issue 20
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>>
>>
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>>
>> --
>> Carlos F Uribe
>> <http://lists.opengatecollaboration.org/mailman/listinfo/gate-users>
>
>
>
> _______________________________________________
> Gate-users mailing listGate-users at lists.opengatecollaboration.orghttp://lists.opengatecollaboration.org/mailman/listinfo/gate-users
>
>
>
--
Carlos F Uribe
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