[Gate-users] Voxelized Phantom and FixedForcedDetection actor

[Simon Rit]

Hi,
No, it doesn't since you have a detector response from 0 to 1 Mev. Are
you sure it's 150 keV and not 150 MeV? If yes, don't hesitate to share
the macro and I'll have a look.
Simon

On Fri, Nov 25, 2016 at 9:54 AM, Triltsch, Nicolas
<nicolas.triltsch at tum.de> wrote:
> Hi Simon,
>
> That is correct, I changed the spectrum (0-150keV) and the detector response
> (first line 0 1, second line 1 1) to a photon counting system. Does that
> explain something?
>
> Nico
>
>
>
> On 11/24/2016 06:10 PM, Simon Rit wrote:
>>
>> Hi,
>> Did you modify the detector response or the spectrum of the example?
>> It seems that you have photons detected at an energy lower or larger
>> than the minimum or maximum of your detector response function.
>> Simon
>>
>> On Thu, Nov 24, 2016 at 6:06 PM, Triltsch, Nicolas
>> <nicolas.triltsch at tum.de> wrote:
>>>
>>> Hey everyone,
>>>
>>> I tried to use my own voxelized phantom (dimension 384x32x384) together
>>> with
>>> the FixedForcedDetection actor (detector dimension 384x12) and my macros
>>> are
>>> similar build as in the example-folder
>>> example_CT/fixedForcedDetectionCT/mac/. For the creation of the voxelized
>>> phantom I first created the desired numpy array and exported it with
>>> SimpleITK using the sitk.WriteImage(img, 'path/name.mhd') command.
>>>
>>> When I run the simulation now, I get the following errors:
>>>
>>> Photon Energy outside the Response Detector list
>>> WARNING - Attempt to delete the physical volume store while geometry
>>> closed
>>> !
>>>
>>> *** Break *** segmentation violation
>>> *** Error in `Gate': corrupted double-linked list: 0x0000000003618370 ***
>>>
>>> What could be wrong?
>>>
>>> Thanks for any help,
>>>
>>> Nico
>>>
>>>
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>
>