Hi Francesco, please specify your version of ROOT. Regards. Valeriy ----- Original Message ----- From: "Perfetto Francesco" <Francesco.Perfetto@na.infn.it> To: <roottalk@pcroot.cern.ch> Cc: <rene.brun@cern.ch> Sent: Wednesday, October 16, 2002 1:52 PM Subject: [ROOT] Problem with TBrowser > Hello ROOTers, > I have a problem with TBrowser, after to create my root file in which > there is a tree with TLorentzVector, if I draw down cint my variables > there isn't problem but if I want draw my variables directly from > TBrowser, it draw always the same variable (not change the picture in > the canvas). > {... > > TLorentzVector *p4dateta = new TLorentzVector(); > TLorentzVector *p4datetasys_pim = new TLorentzVector(); > TLorentzVector *p4datetasys_pip = new TLorentzVector(); > TLorentzVector *p4datetasys_piz = new TLorentzVector(); > > TTree *tdat = new TTree("tdat","Tree for resolution"); > > tdat->Branch("dalix_dat" ,&dalix_dat ,"dalix_dat/D" ); > tdat->Branch("p4dateta" ,"TLorentzVector" ,&p4dateta); > tdat->Branch("p4datetasys_pim","TLorentzVector" ,&p4datetasys_pim); > tdat->Branch("p4datetasys_pip","TLorentzVector" ,&p4datetasys_pip); > tdat->Branch("p4datetasys_piz","TLorentzVector" ,&p4datetasys_piz); > > ... > } > if i do after opening the TBrowser: > tdat->Draw("p4datetasys_pim.fE"); // this OK > tdat->Draw("p4datetasys_pip.fE"); // this OK > ... > but if click on the leaf in the TBrowser don't change null from the > first pictures. > Where is the Problem ? > > Francesco. > >
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