[Castor-users] castor-GATErootToCastor error message

[Dimitrios Thanasas]

Dear Thibaut,

Thank you for your answer. I tried to use castor-GATErootToCastor to
convert root file from GATE to castor datafile format automatically but
the gamma2.geom file is not recognized. I tried to use
SPECT_CASTOR_BENCHMARK.geom file but I got the same error message.
I write something wrong in the command? Or it is a bug?
"castor-GATERootToCastor -i gamma2.root -o gamma2.out -m gamma2.mac -s
gamma2.geom"
Moreover, GATE output files can be root files, ASCII files or sinograms
with many parameters written in them.
In CASTOR user guide is written that: "SPECT datafiles can hold histogram
or list-mode data with associated corrections (the latter is not yet
supported)."
So I need to convert a GATE output to a binary CASTOR datafile.

Thank you in advance,
Dimitris Thanasas


> Dear Dimitrios,
>
> Could you check if in the datafile, the system alias ("Scanner name")
> already has a ".geom" extension ? Normally it should just be the system
> name, as in:
>
> /Scanner name: gamma2/
>
> Hope this helps,
> Thibaut
>
>
> On 14/12/2021 13:42, Dimitrios Thanasas wrote:
>> Dear all,
>>
>> I try to use CASTOR (v.3.1.1) on a root output file from a GATE
>> simulated
>> SPECT camera.
>> Firstly I used castor-GATEMacToGeom to create the .geom file of the
>> Camera.
>> Then I tried to use castor-GATErootToCastor to convert the root output
>> file to a CASTOR datafile but I get the error message:
>> ***** sScannerManager::FindScannerSystem() -> Scanner 'gamma2.geom' is
>> not
>> known in the scanner repository. Please provide a LUT/generic file for
>> this scanner in the scanner repository in:
>> /home/gate/Simulations-Reconstructions/castor_v3.1.1/config/scanner/
>>
>>
>> Here is the list of all available scanners in the repository along with
>> their options:
>>
>> ------------------------------------------------------------------
>> -----  "gamma2.geom"
>> ------------------------------------------------------------------
>> SPECT camera extracted from GATE macro: gamma2.mac
>>
>> ------------------------------------------------------------------
>>
>> It says that "Scanner 'gamma2.geom' is not known in the scanner
>> repository" but as you can see, there is the file "gamma2.geom" in
>> /config/scanner folder.
>>
>> Does anyone know why I get this error?
>>
>> Thank you in advance,
>> Dimitris Thanasas
>>
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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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