Hi! I have done the following operations (just an example): root [0] ff1=new TFile("/home/botov/work/snd2k/R002-003/work/rootntuple/eeElastic_10deg.$ (class TFile*)0x8f2fb48 root [1] h1->Draw("Simth[0]>>htmp") <TCanvas::MakeDefCanvas>: created default TCanvas with name c1 root [2] h1->Draw("Simth[0]>>htmp1","Simth[1]>20") (Int_t)2384 root [3] htmp1->Divide(htmp) root [4] htmp1->Divide(htmp) Error: Symbol htmp is not defined in current scope FILE:(tmpfile) LINE:1 *** Interpreter error recovered *** Why first Divide works normally, but second Divide can't find an object htmp .ls finds it: root [5] .ls TFile** /home/botov/work/snd2k/R002-003/work/rootntuple/eeElastic_10deg.rootntupleHBOOK file: eeElastic_10deg.hbook converted to ROOT TFile* /home/botov/work/snd2k/R002-003/work/rootntuple/eeElastic_10deg.rootntupleHBOOK file: eeElastic_10deg.hbook converted to ROOT OBJ: TTree h1 tup1 : 0 at: 0x9051f70 OBJ: TH1F htmp Simth[0] : 0 at: 0x924b560 OBJ: TH1F htmp1 Simth[0] {Simth[1]>20} : 0 at: 0x925a818 KEY: TTree h1;1 tup1 I can use name htmp. For example root [6] htmp->Draw() works normally. Why it can't be used as function argument? Thank you for advance. -- Dmitry A. Shtol (SND group) Budker Institute of Nuclear Physics
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