<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=Content-Type content="text/html; charset=gb2312"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"/> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"/> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="Street"/> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="address"/> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="chmetcnv"/>  <style>  </style> <![if mso 9]> <style> p.MsoNormal {margin-left:37.5pt;} </style> <![endif]> </head> <body bgcolor=white background="cid:image001.jpg@01C83199.3AAF1850" lang=ZH-CN link=blue vlink=purple style='text-justify-trim:punctuation;margin-left:37.5pt'> <img src="cid:image001.jpg@01C83199.3AAF1850" v:src="cid:image001.jpg@01C83199.3AAF1850" v:shapes="_x0000_Mail" width=0 height=0 class=shape style='display:none;width:0;height:0'> <div class=Section1> Hi gate-users<o:p></o:p> I tried to set septa in my simulation system with following scripts:<o:p></o:p> <o:p> </o:p> #       SEPTA<o:p></o:p> /gate/head/daughters/name septa <o:p></o:p> <o:p> </o:p> /gate/head/daughters/insert box <o:p></o:p> <o:p> </o:p> /gate/septa/placement/setTranslation -1.5 0.0 <st1:chmetcnv TCSC="0" NumberType="1" Negative="False" HasSpace="True" SourceValue="0" UnitName="cm" w:st="on"><st1:chmetcnv TCSC="0" NumberType="1" Negative="False" HasSpace="True" SourceValue="0" UnitName="cm" w:st="on">0.0 cm</st1:chmetcnv><o:p></o:p></st1:chmetcnv> <o:p> </o:p> /gate/septa/geometry/setXLength 15.0 cm<o:p></o:p> <o:p> </o:p> /gate/septa/geometry/setYLength 32.0 cm<o:p></o:p> <o:p> </o:p> /gate/septa/geometry/setZLength 5 mm<o:p></o:p> <o:p> </o:p> #/gate/septa/setMaterial Tungsten<o:p></o:p> <o:p> </o:p> /gate/septa/setMaterial Lead<o:p></o:p> <o:p> </o:p> /gate/septa/repeaters/insert cubicArray<o:p></o:p> <o:p> </o:p> /gate/septa/cubicArray/setRepeatNumberX 1<o:p></o:p> <o:p> </o:p> /gate/septa/cubicArray/setRepeatNumberY 1<o:p></o:p> <o:p> </o:p> /gate/septa/cubicArray/setRepeatNumberZ 3<o:p></o:p> <o:p> </o:p> /gate/septa/cubicArray/setRepeatVector 0.0 0.0 10.0 cm<o:p></o:p> <o:p> </o:p> /gate/septa/vis/setColor blue<o:p></o:p> <o:p> </o:p> /gate/septa/attachPhantomSD<o:p></o:p> <o:p> </o:p> I tried to analysis the total counts with benchmark.C. <o:p></o:p> But I find that there is no difference within or without setting septa. <o:p></o:p> Any suggestion will be appreciated.<o:p></o:p> <o:p> </o:p> <div> Guocheng Wu Software Department Neusoft Positron Medical Systems Co.,Ltd.<o:p></o:p> <div>  <o:p></o:p> </div> No.2 Xin Xiu Street, Hun Nan New District, Shenyang 110179, PRC<o:p></o:p> <div>  <o:p></o:p> </div> Tel: +86 24 836 61980 Fax: +86 24 836 61796 Mobile: +86 13604039065<o:p></o:p> Email: wuguocheng@neusoft.com Website: <a href="http://medical.neusoft.com">http://medical.neusoft.com</a> <o:p></o:p> </div> <o:p> </o:p> </div> </body> <HR color=#000099> Confidentiality Notice: The information contained in this e-mail and any accompanying attachment(s) is intended only for the use of the intended recipient and may be confidential and/or privileged of Neusoft Group Ltd., its subsidiaries and/or its affiliates. If any reader of this communication is not the intended recipient, unauthorized use, forwarding, printing, storing, disclosure or copying is strictly prohibited, and may be unlawful. If you have received this communication in error, please immediately notify the sender by return e-mail, and delete the original message and all copies from your system. Thank you. <HR color=#000099> </html>