FairRoot/PandaRoot
ReadMesDecCorrRes.C
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1 {
2 TCanvas* c = new TCanvas("c1","c1");
3 c->Divide(2,2);
4 TFile* f1 = new TFile("AnaFSimpleP2Bup1TXXb.root");
5 TFile* f2 = new TFile("AnaFSimpleP4Bup1TXXb.root");
6 
7 
8 TFile* f3 = new TFile("AnaFSimpleP6Bup1TXXb.root");
9 TFile* f4 = new TFile("AnaFSimpleP8Bup1TXXb.root");
10 TH2D * h1 =(TH2D*)f1->Get("hvtx201");
11 TH2D * h2 =(TH2D*)f2->Get("hvtx201");
12 
13 TH2D * h3 =(TH2D*)f3->Get("hvtx201");
14 TH2D * h4 =(TH2D*)f4->Get("hvtx201");
15 TH1D * h1p =(TH1D*)h1->ProjectionX(" proj_y1",0,-1,"");
16 TH1D * h2p =(TH1D*)h2->ProjectionX(" proj_y2",0,-1,"");
17 
18 TH1D * h3p =(TH1D*)h3->ProjectionX(" proj_y3",0,-1,"");
19 
20 TH1D * h4p =(TH1D*)h4->ProjectionX(" proj_y4",0,-1,"");
21 c->cd(1);
22 
23 h1p->Draw();
24 c->cd(2);
25 h2p->Draw();
26 
27 c->cd(3);
28 h3p->Draw();
29 
30 c->cd(4);
31 h4p->Draw();
32 }
TF1 * f1
Definition: reco_analys2.C:50
TH1F * h4
TFile * f4
TH1D * h2p
TH1D * h4p
TFile * f3
TH1D * h1p
TH1F * h3
TFile * f2
TH1D * h3p