<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="margin:0;"><div style="margin: 0px;">Dear <span style="font-family: arial; white-space: pre-wrap;">Gate Users,</span></div><div style="margin: 0px;">I used shep plogan phantom as a source of voxel phantom and simulation.  </div><div style="margin: 0px;"><br></div><div style="margin: 0px;">question 1,   I can’t see the green gamma rays. Is my source setting wrong?</div></div><div style="margin:0;"><img src="cid:6c3f4bfc$1$17ab9052ff6$Coremail$tyutczb$163.com" orgwidth="395" orgheight="380" data-image="1" style="width: 395px; height: 380px;"></div><div style="margin:0;"><br></div><div style="margin:0;">the code is </div><div style="margin:0;"><div style="margin:0;">/gate/source/addSource VoxelizedSource voxel</div><div style="margin:0;">/gate/source/VoxelizedSource/reader/insert image</div><div style="margin:0;"><br></div><div style="margin:0;">/gate/source/VoxelizedSource/imageReader/translator/insert              linear</div><div style="margin:0;">/gate/source/VoxelizedSource/imageReader/linearTranslator/setScale      1. Bq</div><div style="margin:0;"><br></div><div style="margin:0;">/gate/source/VoxelizedSource/imageReader/translator/insert range</div><div style="margin:0;">/gate/source/VoxelizedSource/imageReader/rangeTranslator/readTable ActivityRange.dat</div><div style="margin:0;">/gate/source/VoxelizedSource/imageReader/rangeTranslator/describe 1</div><div style="margin:0;">/gate/source/VoxelizedSource/imageReader/readFile phantom3d.mhd</div><div style="margin:0;">/gate/source/VoxelizedSource/imageReader/verbose 1</div><div style="margin:0;"><br></div><div style="margin:0;"><br></div><div style="margin:0;"># THE DEFAULT POSITION OF THE VOXELIZED SOURCE IS IN THE 1ST QUARTER</div><div style="margin:0;"># SO THE VOXELIZED SOURCE HAS TO BE SHIFTED OVER HALF ITS DIMENSION IN THE NEGATIVE˓→DIRECTION ON EACH AXIS</div><div style="margin:0;"><br></div><div style="margin:0;">/gate/source/VoxelizedSource/setPosition   -128 -128 -128 mm</div><div style="margin:0;">/gate/source/VoxelizedSource/dump 1</div><div style="margin:0;"><br></div><div style="margin:0;"><br></div><div style="margin:0;">/gate/source/VoxelizedSource/setType backtoback</div><div style="margin:0;">/gate/source/VoxelizedSource/gps/particle gamma</div><div style="margin:0;">/gate/source/VoxelizedSource/gps/energytype Mono</div><div style="margin:0;">/gate/source/VoxelizedSource/gps/monoenergy 140. keV</div><div style="margin:0;"><br></div><div style="margin:0;">/gate/source/VoxelizedSource/gps/angtype iso</div><div style="margin:0;">/gate/source/VoxelizedSource/gps/mintheta 0. deg</div><div style="margin:0;">/gate/source/VoxelizedSource/gps/maxtheta 90. deg</div><div style="margin:0;">/gate/source/VoxelizedSource/gps/minphi 0. deg</div><div style="margin:0;">/gate/source/VoxelizedSource/gps/maxphi 360. deg</div><div style="margin:0;">/gate/source/VoxelizedSource/gps/confine NULL</div><div style="margin:0;"><br></div><div style="margin:0;">/gate/source/list</div><div style="margin:0;"><br></div><div style="margin:0;">And ActivityRange.dat </div><div style="margin:0;"><div style="margin:0;">4</div><div style="margin:0;">0 0 0</div><div style="margin:0;">0.2  0.2 1</div><div style="margin:0;">0.3  0.3 3</div><div style="margin:0;">1  1 5</div><div style="margin:0;"><br></div><div style="margin:0;">question 2,  My detector can only be rotated 180° and then it automatically exits, and the results cannot be saved. Anyone who knows?</div><div style="margin:0;"><div style="margin:0;">/gate/SPECThead/orbiting/setSpeed 5.625 deg/s</div><div>...</div><div><br></div><div><div># O U T P U T</div><div>#####</div><div>/gate/output/root/enable</div><div>/gate/output/root/setFileName output/SPECT</div><div><br></div><div>#/gate/output/root/setRootSinglesAdderFlag 1</div><div>#/gate/output/root/setRootSinglesSpblurringFlag 1</div><div>#/gate/output/root/setRootSinglesBlurringFlag 1</div><div>#/gate/output/root/setRootSinglesSpblurringFlag 1</div><div>#/gate/output/root/setRootSinglesThresholderFlag 1</div><div>/gate/output/root/setRootHitFlag 0</div><div>/gate/output/root/setRootSinglesFlag 1</div><div><br></div><div>#  D A T A   O U T P U T   (ASCII)</div><div>/gate/output/ascii/enable</div><div>/gate/output/ascii/setFileName output/SPECT</div><div><br></div><div>#/gate/output/ascii/setOutFileSinglesAdderFlag 1</div><div>#/gate/output/ascii/setOutFileSinglesSpblurringFlag 1</div><div>#/gate/output/ascii/setOutFileSinglesBlurringFlag 1</div><div>#/gate/output/ascii/setOutFileSinglesThresholderFlag 1</div><div>#/gate/output/ascii/setOutFileSinglesUpholderFlag 1</div><div>/gate/output/ascii/setOutFileHitsFlag 0</div><div>/gate/output/ascii/setOutFileSinglesFlag 1</div><div><br></div><div><br></div><div># P R O J E C T I O N</div><div>#####</div><div>/gate/output/projection/enable</div><div>/gate/output/projection/setFileName output/Projection</div><div>/gate/output/projection/pixelSizeX 0.148 cm</div><div>/gate/output/projection/pixelSizeY 0.218 cm</div><div>/gate/output/projection/pixelNumberX 128</div><div>/gate/output/projection/pixelNumberY 128</div></div><div><br></div><div><div>/gate/application/setTimeSlice     0.5 s</div><div>/gate/application/setTimeStart     0. s</div><div>/gate/application/setTimeStop     64 s</div></div><div><br></div><div><br></div><div>Thank you </div></div><div style="margin:0;"><br></div></div></div><div style="margin:0;"></div></div><br><br><span title="neteasefooter"><p> </p></span>