<div dir="ltr">Dear Gate Users,<div><br></div><div>I am simulating dual head Gamma Camera with sphere source of volume 1 cm^3 (0.62 cm radius) in the center. I am using the Tc-99m as a source of radioactivity with activity 100 kBq.</div><div><br></div><div>I want to see the projection of photons detected by the NaI detector.</div><div><br></div><div>For Projection I used the following code </div><div><br></div><div><font color="#ff9900"># D I G I T I Z E R<br>#####<br><br>/gate/digitizer/Singles/insert adder<br>/gate/digitizer/Singles/insert blurring<br>/gate/digitizer/Singles/blurring/setResolution 0.10<br>/gate/digitizer/Singles/blurring/setEnergyOfReference 140. keV<br>/gate/digitizer/Singles/insert spblurring<br>/gate/digitizer/Singles/spblurring/setSpresolution 2.0 mm<br>/gate/digitizer/Singles/spblurring/verbose 0<br>/gate/digitizer/Singles/insert thresholder<br>/gate/digitizer/Singles/thresholder/setThreshold 126. keV<br>/gate/digitizer/Singles/insert upholder<br>/gate/digitizer/Singles/upholder/setUphold 154. keV<br><br><br><br># O U T P U T<br>#####<br><br>/gate/output/root/enable<br>/gate/output/root/setFileName output/benchSPECT<br>/gate/output/root/setRootSinglesAdderFlag 1<br>/gate/output/root/setRootSinglesBlurringFlag 1 <br>/gate/output/root/setRootSinglesSpblurringFlag 1<br>/gate/output/root/setRootSinglesThresholderFlag 1<br>/gate/output/root/setRootSinglesUpholderFlag 1<br><br># P R O J E C T I O N<br>#####<br>/gate/output/projection/enable<br>/gate/output/projection/setFileName output/myProjection<br>/gate/output/projection/pixelSizeX 0.48 cm<br>/gate/output/projection/pixelSizeY 0.48 cm<br>#/gate/output/projection/pixelNumberX 128<br>#/gate/output/projection/pixelNumberY 128<br>/gate/output/projection/projectionPlane XY</font><br></div><div><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><br></div><div>I want to analyse the projection, and interested to calculate projection/image specification. </div><div dir="ltr">Please see and guide where I am wrong, thanks for your cooperation.<br><div><br></div><div>I viewed the projection.sin file in imagej, it has no information also the hits and singles have no as such useful information. Files are attached.</div><div><div>Regards</div><div>Hussain</div></div></div></div></div></div></div>