[Castor-users] partial pet image reconstruction

[tmerlin]

Hi,

The Gate converter tools will work properly only if the geometry could 
be derived by castor from the macro files. It is possible that the 
custom geom file you wrote corresponds to the actual geometry, but the 
conversion of root system IDs (rsectorID, crystalID, etc..) to castorIDs 
is erroneous as the geometry cannot be read properly by 
castor-GATERootToCastor.

If the geometry cannot be read (for example if the blocks are placed by 
hands), then both the geometry and the datafile must be manually 
converted. You could have a look to /ConvertIDcylindrical() /and 
/CreateGeomWithCylindrical()/ functions in 
/src/gDataConversionUtilities.cc/ to get some hints regarding how the 
IDs are converted.

Hope this helps,
Thibaut

On 10/07/2021 20:00, Jform M wrote:
> Dear CASToR users and developers,
> I simulated a partial cylindrical pet scanner in Gate (suitable for 
> bladder cancer therapy) and the root file is made and I want to define 
> the .geom file to reconstruct but I don't have any idea to do this well.
> I wrote some .geom files but they didn't work properly.
> is it possible to reconstruct a partial pet root file in castor?
> can anyone help me to reconstruct the root file?
> Thanking you in advance for your responses,
> Sincerely,
>
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-- 
Thibaut MERLIN -- PhD

Docteur en Imagerie Médicale au Laboratoire de Traitement de l'Information Medicale (LaTIM - INSERM UMR 1101)
Institut Brestois de recherche en Bio-Santé (IBRBS)
12 Avenue Foch, 29200 Brest, FRANCE
Tel: 06.75.12.24.90

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