[Gate-users] Splitting simulation in the body and the detector

[Irène Buvat]

Dear Bastien,

The concept you describe has already been implemented for small animal SPECT by Ben Tsui's group. See http://www.ncbi.nlm.nih.gov/pubmed/18697552 

Hope this helps,

All my best,

Irène


--------------------------
Irène Buvat, PhD
Projet "Quantification en Imagerie Moléculaire"
Imagerie et Modélisation en Neurobiologie et Cancérologie
IMNC - UMR 8165 CNRS - Université Paris 7 - Université Paris 11
Campus d'Orsay
Bâtiment 440
91406 ORSAY Cedex

Tel : (33) (0)1 69 15 36 40
Fax : (33) (0)1 69 15 71 96
e-mail : buvat at imnc.in2p3.fr
http://www.imnc.in2p3.fr/
http://www.guillemet.org/irene

Le 25 janv. 2013 à 01:48, Bastien GUERIN a écrit :

> Hi,
> 
> thanks for your answers. A quick follow-up before closing this thread:
> Using the "phase-space" option, it seems easy to interface GATE with
> another simulation software. For example, I might want to use SimSET to
> simulate photon propagation in the head, which should be relatively fast,
> then create a phase-state file that would be read by GATE to continue
> photon propagation in the detector (GATE is better than SimSET at
> simulating complex detectors).
> 
> Has any of you done anything like this before or is this a completely
> untested idea?
> 
> Many thanks,
> 
> Bastien
> 
> 
>> Hello,
>> 
>> The "Phase Space" is what you need, see the user guide at this page:
>> http://wiki.opengatecollaboration.org/index.php/Users_Guide_V6.2:Phase_space_concept
>> 
>> I never tried it though.
>> 
>> Cheers,
>> Henri
>> 
>> 
>> Le 23 janv. 2013 à 21:22, Bastien GUERIN <guerin at nmr.mgh.harvard.edu> a
>> écrit :
>> 
>>> Hi,
>>> 
>>> I am new to GATE and need to simulate several PET scanners. Since all
>>> scanners "see" the same object, I was thinking of splitting the
>>> simulations in 2 steps. In the first step, I would simulate propagation
>>> in
>>> the object (a sphere, human head etc...). This step would be common to
>>> all
>>> simulations. In the second step, I would read the output list file from
>>> the first step and propagate those photons in the different scanner
>>> models. This last step would be specific to each scanner model.
>>> 
>>> Is it possible to do that in GATE? I guess this would require GATE to be
>>> able to read an input list file and "continue" the propagation of
>>> photons
>>> in that file in another medium...
>>> 
>>> Thanks for your help,
>>> 
>>> Bastien Guerin
>>> Research Fellow
>>> A. A. Martinos Center for Biomedical Imaging
>>> Massachusetts General Hospital
>>> Charlestown, MA 02129
>>> 
>>> 
>>> 
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>> 
>> 
>> 
> 
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