Hi, The TPythia6 class seems to have a Draw() method. I do Root> gSystem->Load("$PYTHIA6/libPythia6.so") Root> gSystem->Load("libEG.so") Root> gSystem->Load("libEGPythia6.so") Root> TPythia6 *pythia = new TPythia6() Root> pythia->Initialize("cms","p+","p+",14000.0) Root> pythia->GenerateEvent() Root> pythia->GetNumberOfParticles() Root> pythia->Draw() // here it is! So, this shows a canvas that would (supposedly) show the particle tracks. It tells me that it has the number of particles reported by GetNumberOfParticles(), and also some others listed -- so, I trust it has read the event list correctly. But no tracks show up. Am I doing something wrong here? Thanks in advance, -- J. Batista ============================================= "Before I came here I was confused about this subject. Having listened to your lecture, I am still confused. But on a higher level." -- Enrico Fermi --------------------------------------------- Joćo Batista [ mailto:joao.batista@desy.de ] WWW: http://kdataserv.fis.fc.ul.pt/~jbatista =============================================
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