<DIV>Hi </DIV> <DIV>simulate a point source (x=0,y=0) in the file PET_Ecat.mac.I reconstructe the image in two mwthod:</DIV> <DIV>1.Method one</DIV> <DIV><1>.<BR>cd /usr/local/gate/gate_v3.0.0/examples/my_example/PET<BR>source /usr/local/gate/gate_v3.0.0/env_gate.csh<BR>/usr/local/gate/g4work/bin/Linux-g++/Gate my_PET_Ecat.mac<BR>......</DIV> <DIV><BR><2>.<BR>[root@localhost ~]# cd /usr/local/gate/STIR/my_test<BR>[root@localhost my_test]# /usr/local/gate/STIR/bin/ifheaders_for_ecat7 MySinogramFile.S</DIV> <DIV>Attempt all data-sets (Y) or single data-set (N) [Y/N D:Y]:</DIV> <DIV>Data number ? [0,8 D:0]:</DIV> <DIV>WARNING: ECAT7 IO: Bin size from header.x_resolution (2.2471) does not agree with expected value 2.25<BR>for scanner ECAT 962. Using bin size from header...</DIV> <DIV><BR><3>.<BR>[root@localhost my_test]# /usr/local/gate/STIR/bin/display_projdata MySinogramFile_S_f1g1d0b0.hs</DIV> <DIV> </DIV> <DIV>The sinograms are shown in
attachment. <DIV>I'm looking forward to your help.</DIV> <DIV>Thank you in advance!</DIV> <DIV>guifen</DIV></DIV><p> 
                <hr size=1><a href="http://music.yahoo.com.cn/?source=mail_mailbox_footer" target=blank>
Mp3疯狂搜-新歌热歌高速下
</a>