Hi, <div>2007/12/18, <a href="mailto:i.torres@lrz.tu-muenchen.de">i.torres@lrz.tu-muenchen.de</a> <<a href="mailto:i.torres@lrz.tu-muenchen.de">i.torres@lrz.tu-muenchen.de</a>>: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi Simon, > Could you tell me please how long is your simulation 'single_layer.mac' ? > Because if it is not too much, I will run it will all different versions > of > Gate between 3.0.0 and 3.1.2 to see what are the differences and locate > between which ones the problem occured. I think in the newest computer we have is taking something like 1-2 h. </blockquote><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> > I would like to know too what version of Geant4 and clhep do you use with > these different Gate versions. Because it has been demonstrated that with > a > wrong version of Geant4 and clhep, you could get wrong results. Do you > really use the correct ones ? At this moment we are not in the office and we can not tell you, but in principle we took the recommended versions from the GATE webpage. Tomorrow morning, we could inform you the exact ones and confirm it. </blockquote><div> OK thanks, and after that I will run your simulation with the different gate versions, even if it will be terribly boring to reinstall clhep and geant4 for each gate version :'-( </div> <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Could it be possible that the PET benchmark is working fine with a wrong version of Geant4 or clhep???</blockquote><div> Hummmm ......... I hope so :-) We will know it soon. </div> Simon <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Thanks for your help! Irene and Jasmine </blockquote></div>