[Gate-users] Pixelated SPECT problem

Chao Guo chaoguomedicalphysics at gmail.com
Wed Oct 14 04:38:01 CEST 2015

Dear all,


I'm trying to use the Pixel level under SPECT to do the pixelated crystal
and I met some problems. I use the crystal level and it work perfect and
then I add the pixel level, the projection image shows me something at the
center of the image but the actual setup is not at center. Does anyone have
any idea about this? 


I use the example code from the optical imaging benchmark macro:


/gate/pixel/geometry/setXLength                 2.0  cm

/gate/pixel/geometry/setYLength                 2.0  cm

/gate/pixel/geometry/setZLength                 1.0 cm

/gate/pixel/setMaterial                         Air

/gate/pixel/placement/setTranslation            0 0 0 cm

/gate/pixel/vis/setColor                        red

/gate/pixel/repeaters/insert                    cubicArray

/gate/pixel/cubicArray/setRepeatNumberX         5

/gate/pixel/cubicArray/setRepeatNumberY         5

/gate/pixel/cubicArray/setRepeatNumberZ         1

/gate/pixel/cubicArray/setRepeatVector          2.1 2.1 0 cm



/gate/systems/OpticalSystem/pixel/attach        pixel


Please let me know if you guys have any suggestions, thank you




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