‭{‬ gROOT‭->‬Reset‭();‬ gROOT‭->‬SetStyle‭("‬Plain‭");‬ ‭ ‬gStyle‭->‬SetOptTitle(0‭);‬ ‭ ‬gStyle.SetOptStat(0‭);‬ ‭ ‬gStyle.SetFillColor(0‭);‬ ‭ ‬gStyle.SetPadBorderMode(0‭);‬ ‭ ‬m‭ = (‬TH1F‭*)‬gROOT‭->‬FindObject‭("‬h‭");‬ ‭ ‬if‭ (‬m‭) ‬m‭->‬Delete‭();‬ ‭ ‬TCanvas‭ *‬c1‭ = ‬new TCanvas‭("‬c1‭","‬Spincut parameter‭",‬600,600‭);‬ ‭ ‬TH2F‭ *‬h‭ = ‬new TH2F‭("‬h‭"," ",‬10,0.0‭, ‬15.07,50,0.001‭, ‬7.4‭);‬ ‭ ‬ifstream spincutfile‭("‬spincut.cnt‭"); ‬ifstream spin07("spin_07.cnt")‬; ‭ ‬float energy[70‭],‬spincut[70‭], spin[120], ener[120];‬ float enererr[120] = {0.}; float spinerr[120] = {0.}; ‭ ‬int i‭ = ‬0‭;‬ ‭ ‬float a0‭ = ‬0.0392‭;‬ ‭ ‬float a1‭ = ‬0.2210‭;‬ ‭ ‬float x,y,z‭;‬ ‭ ‬while(spincutfile‭){‬ ‭ ‬ spincutfile‭ >> ‬x‭;‬ ‭ ‬spincut[i‭]=‬x‭;‬ ‭ ‬energy[i‭]=‬a0+‭(‬a1‭*‬i‭);‬ ‭ ‬i‭++;‬ ‭ }‬ i=0; while(spin07){ spin07 >> x; ener[i] = x; spin[i] =x; i++; } ‭ ‬TGraph‭ *‬spincutgraph‭ = ‬new TGraph(70‭,‬energy,spincut‭);‬ TGrapherrors *spin_07 = new TGrapherrors(40, ener, spin, enererr, spinerr); ‭ ‬c1‭.‬SetLeftMargin(0.14‭);‬ ‭ ‬h.GetXaxis‭().‬CenterTitle‭();‬ ‭ ‬h.GetXaxis‭().‬SetTitle‭("‬Excitation energy E‭ (‬MeV‭)");‬ ‭ ‬h.GetYaxis‭().‬CenterTitle‭();‬ ‭ ‬h.GetYaxis‭().‬SetTitleOffset(1.4‭);‬ ‭ ‬h.GetYaxis‭().‬SetTitle‭("‬Spin cutoff‭ #‬sigma‭");‬ ‭ ‬h.Draw‭();‬ ‭ ‬spincutgraph.Draw‭("‬L‭");‬ spin.SetMarkerstyle(20); spin.Draw("P"); ‭ ‬c1-‭>‬Update‭();‬ ‭ ‬c1-‭>‬Print‭("‬spincut.eps‭");‬ ‭ ‬c1-‭>‬Print‭("‬spincut.ps‭");‬ ‭}‬