[Gate-users] SPECT projection/ output interfile

[Uwe Pietrzyk]

Hi Anne,

I am not quite sure, whether this is something peculiar with vGATE6,
but you should be able to run the benchSPECT.mac file you can find
under the benchmarks in the home directory of GATE.

The system has to be of type SPECThead like:

/gate/world/daughters/name SPECThead
/gate/world/daughters/insert box
/gate/SPECThead/geometry/setXLength  7. cm
/gate/SPECThead/geometry/setYLength 21. cm
/gate/SPECThead/geometry/setZLength 30. cm
... from benchSPECT.mac
...
Further down in this file you can also find the lines:

# P R O J E C T I O N
#####
# Makes a set of projections from the crystal hits
# Define the binning the projection module to be used
##

/gate/output/projection/enable
/gate/output/projection/setFileName gate
/gate/output/projection/pixelSizeX 0.904 mm
/gate/output/projection/pixelSizeY 0.904 mm
/gate/output/projection/pixelNumberX 128
/gate/output/projection/pixelNumberY 128

# Specify the projection plane (XY, YZ or ZX)
##
/gate/output/projection/projectionPlane YZ
.....

I have no experience with vGATE6 though, since I use linux and MacOSX
for GATE, but it works for my applications.

I hope this is helpful!

Kind regards,

Uwe

-----
On 14.07.2010, at 20:37, Anne Sauve wrote:

Hello Gaters,

I am trying to output the projection of my SPECT application in vgate6
my code is:
/gate/output/projection/enable
/gate/output/projection/setFileName SPECT_camera
/gate/output/projection/pixelSizeX 0.9 mm
/gate/output/projection/pixelSizeY 0.9 mm
/gate/output/projection/pixelNumberX 128
/gate/output/projection/pixelNumberY 128

but I am getting the message /gate/output/projection/enable command not found ???

I also have tried to understand the interfile output that you mention in the user manual
but the website you give that is suppose to explain how it works is not valid.
http://gamma.wustl.edu/interfile33/interfile33.complete

Thanks for the feedback,

Anne
----- Original Message -----
From: Anne Sauve <ACSauve at lbl.gov>
Date: Monday, July 12, 2010 3:55 pm
Subject: SPECT sinogram
To: Anne Sauve <ACSauve at lbl.gov>
Cc: gate-users at lists.opengatecollaboration.org

Hello the collaboration,

I am new to Gate and trying to get my first SPECT sinogram.
The example I found in vgate (see attachment) does not run.
It is aborted and the sinogram I get is 0 byte.

I think I have the geometry of my scanner right now but I still
don't know how to output a sinogram.
Could someone send me a simple SPECT program that outputs a
sinogram that works.

Thank you very much,

Anne

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/----------------------------------------------------------------------
Prof. Dr. Uwe Pietrzyk
Diplom-Physiker
Institut für Neurowissenschaften und Medizin / INM-1
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