[Gate-users] Energy windows

[mojtaba jahdasa]

Hi,

Dear Gate users,
i have a problem with define energy windows in SPECT Simulation. i'm using gate v6.2. i define 3 energy windows (window1,2,3) according Gate manual with this commands:

/gate/digitizer/Singles/insert adder
/gate/digitizer/Singles/insert blurring
/gate/digitizer/Singles/blurring/setResolution 0.10
/gate/digitizer/Singles/blurring/setEnergyOfReference 140. keV
/gate/digitizer/Singles/insert spblurring
/gate/digitizer/Singles/spblurring/setSpresolution 2.0 mm
/gate/digitizer/Singles/spblurring/verbose 0

/gate/digitizer/Singles/insert thresholder
/gate/digitizer/Singles/thresholder/setThreshold 126. keV
/gate/digitizer/Singles/insert upholder
/gate/digitizer/Singles/upholder/setUphold 154. keV

/gate/digitizer/name
 window1
/gate/digitizer/insert singleChain
/gate/digitizer/window1/setInputName singles
/gate/digitizer/window1/insert thresholder
/gate/digitizer/window1/thresholder/setThreshold 126. keV
/gate/digitizer/window1/insert upholder
/gate/digitizer/window1/upholder/setUphold 135. keV

/gate/digitizer/name window2
/gate/digitizer/insert singleChain
/gate/digitizer/window2/setInputName singles
/gate/digitizer/window2/insert thresholder
/gate/digitizer/window2/thresholder/setThreshold 135. keV
/gate/digitizer/window2/insert upholder
/gate/digitizer/window2/upholder/setUphold 146. keV

/gate/digitizer/name window3
/gate/digitizer/insert singleChain
/gate/digitizer/window3/setInputName singles
/gate/digitizer/window3/insert thresholder
/gate/digitizer/window3/thresholder/setThreshold 146. keV
/gate/digitizer/window3/insert upholder
/gate/digitizer/window3/uphold

and for output add this commands:

/gate/output/projection/enable
/gate/output/projection/setFileName SPECT
/gate/output/projection/pixelSizeX 6.25 mm
/gate/output/projection/pixelSizeY 6.25 mm
/gate/output/projection/pixelNumberX 64
/gate/output/projection/pixelNumberY 64

/gate/output/projection/projectionPlane YZ
/gate/output/projection/addInputDataName window1
/gate/output/projection/addInputDataName window2
/gate/output/projection/addInputDataName window3


but in the end of 1 run, in the output file (interfile, SPECT.sin) there are 2 image and 6 black projection(attach file) instead of 8 image,indeed output is only for main window (126-154 kev) ,not oder windows.
Does anyone know why this occurs?
Thanks
Best Regards







setUphold 154. keV
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