void doPlot() {
 TChain* tags = new TChain();
 tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._01-04.root",TChain::kBigNumber,"CollectionTree");
 tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._05-09.root",TChain::kBigNumber,"CollectionTree"); 
 tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._10-13.root",TChain::kBigNumber,"CollectionTree");
 tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._14-17.root",TChain::kBigNumber,"CollectionTree");
 tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._18-21.root",TChain::kBigNumber,"CollectionTree");
 tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._22-25.root",TChain::kBigNumber,"CollectionTree");
 tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._26-30.root",TChain::kBigNumber,"CollectionTree");
 tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._31-34.root",TChain::kBigNumber,"CollectionTree");
 tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._35-38.root",TChain::kBigNumber,"CollectionTree");
 tags->AddFile("/local/workdir/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968/testIdeal_07.005711.PythiaB_bbmu6mu4X.recon.TAG.v12000201_tid002968._39-50.root",TChain::kBigNumber,"CollectionTree");

 TChain* outtags = new TChain();
 outtags->AddFile("/share/data/t2data/results2/mytest_0_400.TAG.root",TChain::kBigNumber,"CollectionTree");
 outtags->AddFile("/share/data/t2data/results2/mytest_400_400.TAG.root",TChain::kBigNumber,"CollectionTree");
 outtags->AddFile("/share/data/t2data/results2/mytest_800_400.TAG.root",TChain::kBigNumber,"CollectionTree");
 outtags->AddFile("/share/data/t2data/results2/mytest_1200_400.TAG.root",TChain::kBigNumber,"CollectionTree");
 outtags->AddFile("/share/data/t2data/results2/mytest_1600_400.TAG.root",TChain::kBigNumber,"CollectionTree");
 outtags->AddFile("/share/data/t2data/results2/mytest_2000_400.TAG.root",TChain::kBigNumber,"CollectionTree");
 outtags->AddFile("/share/data/t2data/results2/mytest_2400_400.TAG.root",TChain::kBigNumber,"CollectionTree");
 outtags->AddFile("/share/data/t2data/results2/mytest_2800_400.TAG.root",TChain::kBigNumber,"CollectionTree");
 outtags->AddFile("/share/data/t2data/results2/mytest_3200_400.TAG.root",TChain::kBigNumber,"CollectionTree");
 outtags->AddFile("/share/data/t2data/results2/mytest_3600_400.TAG.root",TChain::kBigNumber,"CollectionTree");
 outtags->AddFile("/share/data/t2data/results2/mytest_4000_400.TAG.root",TChain::kBigNumber,"CollectionTree");

 //NJet plots
 outtags->Draw("NJet>>thisto2(13,-.5,12.5)","","e1");
 tags->Draw("NJet>>thisto(13,-.5,12.5)", "NJet>0&&NLooseElectron>0","e1SAME");
 thisto2->SetMarkerColor(2);
 thisto2->SetLineColor(2);
 thisto2->SetFillColor(2);
 thisto->SetFillColor(4); 

 thisto->SetFillStyle(3004);
 thisto2->SetFillStyle(3005);
 thisto2->Draw("hist");
 thisto->Draw("histsames");

 //adding legend
 TLegend *leg = new TLegend(.5,.5,.7,.7,"NJet comparison");
 leg->AddEntry("thisto","intags-cut","f");
 leg->AddEntry("thisto2","outtags","f");
 leg->Draw();
 leg->SetBorderSize(0);

 //Canva c2 with NLooseElectron plots
 TCanvas *c2 = new TCanvas("c2", "c2"); //, "c1",280,183,700,500);
 c2->SetLogy();
 c2->cd();
 outtags->Draw("NLooseElectron>>thist");
 tags->Draw("NLooseElectron>>thist2", "NJet>0&&NLooseElectron>0","e1SAME");
 thist2->SetMarkerStyle(5);
 thist2->SetMarkerColor(2);
 thist2->SetLineColor(2);

 TLegend *leg2 = new TLegend(.52,.45,.88,.7,"NLooseElectron comparison");
 leg2->AddEntry("thist2","intags-cut","p");
 leg2->AddEntry("thist","outtags","f");
 leg2->Draw();
 leg2->SetBorderSize(0);

}