[Gate-users] Physics list: 6 MV linac photon beam for radiotherapy

Loic Grevillot loic.grevillot at gmail.com
Tue Jun 25 08:09:08 CEST 2013


Hello,

Yes, I think that using the recommended physics-list is the best Option to
start.
Loïc


2013/6/24 刘斌信件 <golder_time at 163.com>

> hi,
>    I recently simulate 6 MV Elekta Precise Linac photon beam for
> radiotherapy  by Gate , I am not sure to properly  build  the physics
> process  which I just set photon and electron  Standard EM Physics list as
> the recommend on website
> http://www.opengatecollaboration.org/sites/opengatecollaboration.org/files/Physics_List_for_Radiation_Therapy_applications.pdf
> .
>     I set the electron source character as following :
> /gate/source/addSource                mybeam gps
> /gate/source/mybeam/gps/particle      e-
> /gate/source/mybeam/gps/pos/type      Beam
> /gate/source/mybeam/gps/pos/rot1      0 1 0
> /gate/source/mybeam/gps/pos/rot2      1 0 0
> /gate/source/mybeam/gps/pos/shape     Circle
> /gate/source/mybeam/gps/pos/centre    0. 0. 0.6 mm
> /gate/source/mybeam/gps/pos/sigma_x   3 mm
> /gate/source/mybeam/gps/pos/sigma_y   3 mm
> /gate/source/mybeam/gps/ang/rot1      1 0 0
> /gate/source/mybeam/gps/ang/rot2      0 1 0
> /gate/source/mybeam/gps/ang/type      beam1d
> /gate/source/mybeam/gps/ang/sigma_r   0 deg
> /gate/source/mybeam/gps/ene/type      Gauss
> /gate/source/mybeam/gps/ene/mono      5.8 MeV
> /gate/source/mybeam/gps/ene/sigma     0.074 MeV
> /gate/source/mybeam/gps/direction     0 0 -1
>
>
> and EM Physics list:
> gamma:   G4PhotoElectric
>               G4ComptonScattering
>               G4GammaConversion
>               G4RayleighScattering
> e- and e+: G4eMultipleScattering, G4eIonisation,
> G4eBremsstrahlung,G4eplusAnnihilation.
>
> ElectroMagnetic option                       Value
> Min Energy                                  100 eV        default
> Max Energy                                 10 TeV        default
> dE/dx table binning                       220             default = 84
> Lambda table binning                    220             default = 84
>
>
> Are these   parameters proper for simulating 6 MV Elekta Precise Linac
> photon beam for radiotherapy  by Gate?
>
>
>
> Best Wishes,
> Bin
>
>
>
>
>
>
> ----- Original Message -----
> From: <gate-users-request at lists.opengatecollaboration.org>
> To: <gate-users at lists.opengatecollaboration.org>
> Sent: Saturday, June 22, 2013 6:00 PM
> Subject: Gate-users Digest, Vol 85, Issue 18
>
>
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> > Today's Topics:
> >
> >   1. COMMAND NOT FOUND
> >      </gate/output/ascii/setOutFileSinglesAdderFlag 0> (D?bora Salvado)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Fri, 21 Jun 2013 16:30:25 +0100
> > From: D?bora Salvado <debbiesal at gmail.com>
> > To: gate-users at lists.opengatecollaboration.org
> > Subject: [Gate-users] COMMAND NOT FOUND
> > </gate/output/ascii/setOutFileSinglesAdderFlag 0>
> > Message-ID:
> > <CAFge1z6OJseWAyTU1-4P_Z+L8BZwMBNzVn5tWcKS5sbXofxWFg at mail.gmail.com>
> > Content-Type: text/plain; charset=ISO-8859-1
> >
> > Dear GATE users,
> >
> > I've recently started working with vGATE, so I thought it would be
> > good to run the examples to see how things work.
> >
> > However, it keeps giving me this error when I try to run the SPECT
> > example (as well as some warnings):
> > COMMAND NOT FOUND </gate/output/ascii/setOutFileSinglesAdderFlag 0>
> >
> > Until now I didn't manage to solve this problem.
> > Can anyone help me, please? Thank you so much in advance!
> >
> > Some more details:
> > . vgate_v2_1_vdi
> > . the CT example works fine
> > . the messages it gives are the following:
> >
> > [G4] *************************************************************
> > [G4]  Geant4 version Name: geant4-09-05-patch-01    (20-March-2012)
> > [G4]                       Copyright : Geant4 Collaboration
> > [G4]                       Reference : NIM A 506 (2003), 250-303
> > [G4]                             WWW : http://cern.ch/geant4
> > [G4] *************************************************************
> > [G4]
> > [Core-0] Initialization of geometry
> > [Core-0] Initialization of physics
> > [Core-0] Initialization of actors
> > [Core-0]
> > [Core-0]
> **********************************************************************
> > [Core-0]  GATE version name: gate_v6.2
> > [Core-0]                     Copyright : OpenGATE Collaboration
> > [Core-0]                     Reference : Phys. Med. Biol. 49 (2004)
> 4543-4561
> > [Core-0]                     Reference : Phys. Med. Biol. 56 (2011)
> 881-901
> > [Core-0]                     WWW : http://www.opengatecollaboration.org
> > [Core-0]
> **********************************************************************
> > [Core-0]
> > [Core-0] Starting macro SPECT.mac
> > OpenGL Warning: Failed to connect to host. Make sure 3D acceleration
> > is enabled for this VM.
> > G4OpenGLXViewer: XLoadQueryFont failed for font
> >  -adobe-courier-bold-r-normal--10-100-75-75-m-60-iso8859-1
> > G4OpenGLXViewer: XLoadQueryFont failed for font
> >  -adobe-courier-bold-r-normal--11-80-100-100-m-60-iso8859-1
> > G4OpenGLXViewer: XLoadQueryFont failed for font
> >  -adobe-courier-bold-r-normal--12-120-75-75-m-70-iso8859-1
> > G4OpenGLXViewer: XLoadQueryFont failed for font
> >  -adobe-courier-bold-r-normal--14-100-100-100-m-90-iso8859-1
> > G4OpenGLXViewer: XLoadQueryFont failed for font
> >  -adobe-courier-bold-r-normal--17-120-100-100-m-100-iso8859-1
> > G4OpenGLXViewer: XLoadQueryFont failed for font
> >  -adobe-courier-bold-r-normal--18-180-75-75-m-110-iso8859-1
> > G4OpenGLXViewer: XLoadQueryFont failed for font
> >  -adobe-courier-bold-r-normal--20-140-100-100-m-110-iso8859-1
> > G4OpenGLXViewer: XLoadQueryFont failed for font
> >  -adobe-courier-bold-r-normal--24-240-75-75-m-150-iso8859-1
> > G4OpenGLXViewer: XLoadQueryFont failed for font
> >  -adobe-courier-bold-r-normal--25-180-100-100-m-150-iso8859-1
> > G4OpenGLXViewer: XLoadQueryFont failed for font
> >  -adobe-courier-bold-r-normal--34-240-100-100-m-200-iso8859-1
> > /tracking/storeTrajectory 1
> > Attributes available for modeling and filtering with
> >  "/vis/modeling/trajectories/create/drawByAttribute" and
> >  "/vis/filtering/trajectories/create/attributeFilter" commands:
> > G4Trajectory:
> >  Charge (Ch): unit: e+ (G4double)
> >  Track ID (ID): G4int
> >  Initial kinetic energy (IKE): G4BestUnit (G4double)
> >  Initial momentum magnitude (IMag): G4BestUnit (G4double)
> >  Initial momentum (IMom): G4BestUnit (G4ThreeVector)
> >  No. of points (NTP): G4int
> >  PDG Encoding (PDG): G4int
> >  Parent ID (PID): G4int
> >  Particle Name (PN): G4String
> > G4TrajectoryPoint:
> >  Position (Pos): G4BestUnit (G4ThreeVector)
> > WARNING: Trajectory storing has been requested.  This action may be
> >  reversed with "/tracking/storeTrajectory 0".
> > WARNING: The vis manager will keep up to 100 events.
> >  This may use a lot of memory.
> >  It may be changed with, e.g., "/vis/scene/endOfEventAction accumulate
> 10".
> > GateDetectorConstruction::insertARFSD  entered
> > created a ARF Sensivitive Detector
> > created command /gate/systems/SPECThead/arf/setARFStage
> > ABSLENGTH
> > 1.84e-06 50000
> > 4.08e-06 50000
> > RINDEX
> > 1.84e-06 1.00028
> > 4.08e-06 1.00028
> > GetDirectoryName()+ setHeight = /gate/hole/geometry/setHeight
> > Translation speed = 0 0 0.04 cm/s
> > Translation speed = 0 0 0.04 cm/s
> >
> > GATE object:        'systems/SPECThead'
> > Components:
> >
> > GATE object:        'systems/SPECThead/base'
> > Attached to volume: SPECThead
> > Nb of children:       1
> >
> > GATE object:        'systems/SPECThead/crystal'
> > Attached to volume: crystal
> > Nb of children:       1
> >
> > GATE object:        'systems/SPECThead/pixel'
> > Attached to volume: ---
> >
> > List of Enabled processes:
> >
> >   ===  Process: ElectronIonisation  ===
> > Particle: e+
> >    * Model(s):
> >       - <!> *** Warning *** <!> No model selected!
> > Particle: e-
> >    * Model(s):
> >       - StandardModel
> >
> >   ===  Process: Bremsstrahlung  ===
> > Particle: e+
> >    * Model(s):
> >       - <!> *** Warning *** <!> No model selected!
> > Particle: e-
> >    * Model(s):
> >       - StandardModel
> >
> >   ===  Process: eMultipleScattering  ===
> > Particle: e-
> >    * Model(s):
> >       - <!> *** Warning *** <!> No model selected!
> >
> >   ===  Process: RayleighScattering  ===
> > Particle: gamma
> >    * Model(s):
> >       - PenelopeModel
> >
> >   ===  Process: Compton  ===
> > Particle: gamma
> >    * Model(s):
> >       - PenelopeModel
> >
> >   ===  Process: PhotoElectric  ===
> > Particle: gamma
> >    * Model(s):
> >       - StandardModel
> >
> > List of initialized processes:
> >
> > [Core-0] Initialization of geometry
> > Nb of children:       0
> > G4PhysicalVolumeModel::Validate(): A volume of the same name and
> >  copy number ("world_phys", copy 0) still exists and is being used.
> >  But it is not the same volume you originally specified
> >  in /vis/scene/add/.
> > [Core-0] Initialization of physics
> > [Core-0] Initialization of actors
> >> *****OMMAND NOT FOUND <
> >
> > ***** Batch is interrupted!! *****
> > Confirming confinement to volume 'movsource_phys'...
> > ***** COMMAND NOT FOUND </gate/output/ascii/setOutFileSinglesAdderFlag
> 0> *****
> >
> > ***** Batch is interrupted!! *****
> > [Core-0] End of macro SPECT.mac
> > Graphics systems deleted.
> > Visualization Manager deleting...
> >
> > Regards,
> > D?bora Salvado
> >
> >
> > ------------------------------
> >
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> > Gate-users at lists.opengatecollaboration.org
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> >
> > End of Gate-users Digest, Vol 85, Issue 18
> > ******************************************
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