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File indexing completed on 2021-02-14 14:21:22

0001 #include <iostream>
0002 #include <TFile.h>
0003 #include <TH1F.h>
0004 #include <TList.h>
0005 #include <TCanvas.h>
0006 #include <TROOT.h>
0007 
0008 void histo_check (Int_t min_height=4) {
0009   gROOT->SetStyle("Plain");
0010 
0011   TString dir="tmp";
0012   TString tag="example";
0013   TFile f("/"+dir+"/"+tag+"/"+tag+".root");
0014   f.cd("adc");
0015   TList *list=gDirectory->GetListOfKeys();
0016   Int_t stop=list->LastIndex();
0017 
0018   TCanvas c1("c1");
0019 
0020   Int_t num=0;
0021   Int_t num_limit=1000;
0022   Int_t i_print=5000;
0023 
0024   TString ps_file="/"+dir+"/"+tag+"/histos.ps";
0025 
0026   c1.Print(ps_file+"[");
0027   for (Int_t i=0;i<=stop;i++) {
0028     //if (!(i%i_print)) cout << i << endl;
0029 
0030     TString str=list->At(i)->GetName();
0031     TH1F *h=(TH1F*)f.Get("adc/"+str)->Clone();
0032 
0033     Float_t height=h->GetBinContent(h->GetMaximumBin());
0034     if (height>min_height) {
0035       h->Draw();
0036       cout << h->GetName() << endl;
0037       c1.Print(ps_file);
0038       num++;
0039     }
0040     //if (height==0.0) {
0041     //  cout << h->GetName() << endl;
0042     //}
0043     delete h;
0044     if (num>num_limit) break;
0045   }
0046   c1.Print(ps_file+"]");
0047 }