{ TFile *file0 = TFile::Open("SimAnasen1.root"); file0->ls(); TTree *tree1 = (TTree*)(file0->Get("tree1")); tree1->Draw("Tb:thetab","","col"); tree1->Draw("Tb:thetab","vZ>-140 && vZ<-130", "box same"); TH2F *h2 = new TH2F("EPCvEsx3", "EPC x sin(thetab) vs Esx3;Esx3;EPC * sin(thetab * TMath::DegToRad())", 200, 0, 0, 200, 0, 0); tree1->Draw("EPC*sin(thetab * TMath::DegToRad()):Esx3 >> EPCvEsx3", "Esx3 > 0", "colz"); new TBrowser(); }