[Gate-users] Σχετ: Σχετ: Energy spectrum

Tue Sep 26 15:03:10 CEST 2017

If you can, please attach the mac file that you use. ----------------------------------------------------- Konstantinos Chatzipapas
    Medical Physicist, MSc
       University of Patras
    web page: Physics Magazine 

    Στις 3:57 μ.μ. Τρίτη, 26 Σεπτεμβρίου 2017, ο/η tony youness <tony_youness at live.com> έγραψε:

 Hi,I just tried to stick with only basic commands and still getting the same error.

On 26/09/17 2:35 pm, Konstantinos P. Chatzipapas, MSc wrote:

Hi,
Have you try to only use the basic commands that are given by the guide?? Do they work??

Energy spectrum
This actor builds four histograms: the initial kinetic energy of each track (energySpectrum), the energy deposition per event (edepHisto), the energy deposition per track (edepTrackHisto), the energy loss per track (eLossHisto). These histograms are stored in a root file. They takes into account the weight of particles. They are three commands to define the boundaries and the binning of the energy spectrum and three commands to define the boundaries and the binning of the energy loss histograms (edepHisto, edepTrackHisto, eLossHisto)./gate/actor/addActor  EnergySpectrumActor  MyActor
/gate/actor/MyActor/save  MyOutputFile.root
/gate/actor/MyActor/energySpectrum/setEmin 0 eV
/gate/actor/MyActor/energySpectrum/setEmax 10 GeV
/gate/actor/MyActor/energySpectrum/setNumberOfBins 200
/gate/actor/MyActor/energyLossHisto/setEmin 0 eV
/gate/actor/MyActor/energyLossHisto/setEmax 15 MeV
/gate/actor/MyActor/energyLossHisto/setNumberOfBins 120
If you haven't try them, try. Because I see that you are trying with extra commands, such as AttachTo, Filter etc. Regards,----------------------------------------------------- Konstantinos Chatzipapas
    Medical Physicist, MSc
       University of Patras
   web page: Physics Magazine

Στις 3:23 μ.μ. Τρίτη, 26 Σεπτεμβρίου 2017, ο/η tony youness<tony_youness at live.com> έγραψε:

Dear David,

-Gate v7.2

-Root v5.34/30

Tony

On 26/09/17 2:17 pm, David Boersma wrote:
> Dear Tony,
>
> For us to reproduce the error:
> - Which version of GATE?
> - Which version of ROOT?
>
> DavidB
>
> Den 26/09/2017 kl. 14:03, skrev tony youness:
>> Dear Maxime,
>>
>> Thank you for your response.
>>
>> I just tried to increase the Emin to 1 MeV and reduced the number of
>> bins to 100 (just for testing), and I still get the same error...
>>
>> Tony
>>
>>
>> On 26/09/17 1:51 pm, Maxime Chauvin wrote:
>>> Dear Tony,
>>>
>>> what I can tell is that the error seems to come from Root (TH1D).
>>> I don’t know what cause the error but maybe the number of bins is 
>>> too high or the Emin is too small…
>>>
>>>    Maxime
>>>
>>>> On 26 Sep 2017, at 13:17, tony youness <tony_youness at live.com> wrote:
>>>>
>>>> Dear fellow Gate users,
>>>>
>>>> I am trying to generate the electrons energy spectrum at 10 cm in 
>>>> water
>>>> phantom. I used the Energy spectrum actor as follow:
>>>>
>>>> /gate/actor/addActor          EnergySpectrumActor spectrum
>>>> /gate/actor/spectrum/attachTo                        layer3
>>>> /gate/actor/spectrum/addFilter particleFilter
>>>> /gate/actor/spectrum/particleFilter/addParticle      e-
>>>> /gate/actor/spectrum/save output/WaterSpec.root
>>>> /gate/actor/spectrum/energySpectrum/setEmin          0 eV
>>>> /gate/actor/spectrum/energySpectrum/setEmax          6 MeV
>>>> /gate/actor/spectrum/energySpectrum/setNumberOfBins  300
>>>>
>>>> layer3 is a small water volume created in the water phantom at 10 cm.
>>>> When i launch the simulation i get the following error:
>>>>
>>>> Error in <TH1D::Rebin>: Illegal value of ngroup=10815379
>>>> Error in <TH1D::Rebin>: Illegal value of ngroup=10815379
>>>> Error in <TH2D::Rebin>: Illegal value of nxgroup=10815379
>>>> Error in <TH1D::Rebin>: Illegal value of ngroup=10815379
>>>> Error in <TH1D::Rebin>: Illegal value of ngroup=10815379
>>>> WARNING: Scene "none" not found.
>>>>    /vis/scene/list to see scenes.
>>>>
>>>>
>>>>
>>>> ### === G4UAtomicDeexcitation::InitialiseForNewRun()
>>>> ### ===  PIXE model for hadrons: Empirical
>>>> ### ===  PIXE model for e+-:    Livermore
>>>> Error in <TH2D::Fill>: Invalid signature - do nothing
>>>> Error in <TH2D::Fill>: Invalid signature - do nothing
>>>> Error in <TH2D::Fill>: Invalid signature - do nothing
>>>> Error in <TH2D::Fill>: Invalid signature - do nothing
>>>> Error in <TH2D::Fill>: Invalid signature - do nothing
>>>> Error in <TH2D::Fill>: Invalid signature - do nothing
>>>> Error in <TH2D::Fill>: Invalid signature - do nothing
>>>> ...
>>>>
>>>> Any ideas where this problem could come from?
>>>>
>>>> Regards,
>>>>
>>>> Tony Younes
>>>>
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