[Gate-users] Generating scatter components into interfiles

Pietrzyk, Uwe u.pietrzyk at fz-juelich.de
Fri Mar 16 15:04:00 CET 2018

Hi Allison, 

to start from the root output is certainly a good idea!
It my need a preprocessing step to arrange the data
for reconstruction. I would like to recommend you to
check the STIR- project via the link given below.


I hope this is helpful for you!

Kind regards and best wishes,

Uwe Pietrzyk

Prof. Dr. Uwe Pietrzyk
Institut für Neurowissenschaften und Medizin / INM-4
Forschungszentrum Jülich GmbH
52425 Jülich
Tel: +49-2461-61 4763
Fax: +49-2461-61 2820
Mobil: +49-162-103-4871
eMail: U.Pietrzyk at fz-juelich.de
Bergische Universität Wuppertal
Fakultät für Mathematik und Naturwissenschaften
Büro:  D.08.01
Gaußstr. 20
42097 Wuppertal
Tel: +49-(0)202-439-3523
Fax: +49-(0)202-439-2811
eMail: Uwe.Pietrzyk at uni-wuppertal.de

> On 9. Mar 2018, at 12:29, Allison Craig <Allison.Craig at icr.ac.uk> wrote:
> Dear Gate users
> I am simulating a SPECT scan and my endpoint is to split the data into scatter components (e.g., primary photons, scatter in phantom etc.) and obtain interfiles for each component.  I can use the root output and with C code split this into .txt files which I am then planning on using IDL to convert to interfile.  However, I am struggling to do the same with SPECT data. I can output data from different rotation angles but I believe I am going wrong because of the x,y,z coordinates of the heads changing for each projection.
> Can anyone tell me if interrogating the root files is the correct approach or if I should be using ascii files?  Any help would be greatly appreciated.
> Allison
> Allison Craig
> Principal Radioisotope Physicist
> Joint Department of Physics
> The Royal Marsden NHSFT
> Sutton: 0208 642 6011 ext 4141
> allison.craig at icr.ac.uk <mailto:allison.craig at icr.ac.uk>
> The Institute of Cancer Research: Royal Cancer Hospital, a charitable Company Limited by Guarantee, Registered in England under Company No. 534147 with its Registered Office at 123 Old Brompton Road, London SW7 3RP.
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