[Gate-users] Energy spectrum

[tony youness]

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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>>
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