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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='color:#222222;background:white'>Dear all,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#222222;background:white'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#222222;background:white'>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? <o:p></o:p></span></p><p class=MsoNormal><span style='color:#222222;background:white'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#222222;background:white'>I use the example code from the optical imaging benchmark macro:<o:p></o:p></span></p><p class=MsoNormal><span style='color:#222222;background:white'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/geometry/setXLength 2.0 cm<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/geometry/setYLength 2.0 cm<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/geometry/setZLength 1.0 cm<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/setMaterial Air<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/placement/setTranslation 0 0 0 cm<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/vis/setColor red<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/repeaters/insert cubicArray<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/cubicArray/setRepeatNumberX 5<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/cubicArray/setRepeatNumberY 5<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/cubicArray/setRepeatNumberZ 1<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/cubicArray/setRepeatVector 2.1 2.1 0 cm<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/vis/forceSolid <o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/pixel/attachCrystalSD<o:p></o:p></span></p><p class=MsoNormal style='margin-left:91.6pt;line-height:13.2pt;background:#F9F9F9'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>/gate/systems/OpticalSystem/pixel/attach pixel<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Please let me know if you guys have any suggestions, thank you<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Chao<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div>
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