[Gate-users] ProjectionPlane SPECT

[Pietrzyk, Uwe]

Hello Niels van der Werf,

maybe you should check the Benchmark-“BenchSpect”,
which use an orbiting Gamma-Camera head (and a
moving source).

Best regards,

U. Pietrzyk

/----------------------------------------------------------------------
Prof. Dr. Uwe Pietrzyk
Diplom-Physiker
Institut für Neurowissenschaften und Medizin / INM-4
Forschungszentrum Jülich GmbH
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Tel: +49-2461-61 4763
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eMail: U.Pietrzyk at fz-juelich.de
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&
Bergische Universität Wuppertal
Fakultät für Mathematik und Naturwissenschaften
Büro:  D.08.01
Gaußstr. 20
42097 Wuppertal
Tel: +49-(0)202-439-3523
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----------------------------------------------------------------------/

> On 3. Oct 2017, at 18:58, Niels van der Werf <nrvdwerf at gmail.com> wrote:
> 
> Hello All,
> 
> For my current project I’m trying to make a SPECT scan from a voxelized phantom. With the SPECT-heads in the ZY plane, a correct result is generated. However, as stated in the manual, the projection plane of the detector has to be chosen according to the simulated experiment.
> 
> I tried to rotate the SPECT-heads by 90 degrees, so they were not on the sides of the phantom, but above and below. I assumed that the projection plane was now the ZX plane. However, the results are not correct when I run my simulation.
> 
> So, can anyone help me in finding the correct code to rotate the SPECT-heads around the patient? So, not only on the sides or above and below the patient, but also on any other angulation?
> 
> My code now is:
> 
> /gate/output/projection/enable
> /gate/output/projection/setFileName 							output/YourProjection
> /gate/output/projection/pixelSizeX 								0.904 mm
> /gate/output/projection/pixelSizeY 								0.904 mm
> /gate/output/projection/pixelNumberX 							128
> /gate/output/projection/pixelNumberY 							128
> /gate/output/projection/projectionPlane 							ZX
> 
> /gate/SPECThead/placement/setTranslation 						-23 0 -75 cm
> /gate/SPECThead/placement/setRotationAxis					0 0 1
> /gate/SPECThead/placement/setRotationAngle					90 deg
> 
> Thanks in advance for your help!
> 
> Best regards,
> Niels van der Werf
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