File indexing completed on 2023-10-25 10:04:45
0001 void compareHistos( char *Current, char *Reference=0 ){
0002
0003 TText* te = new TText();
0004 te->SetTextSize(0.1);
0005
0006 TFile * curfile = new TFile( TString(Current)+".root" );
0007 TFile * reffile = curfile;
0008 if (Reference) reffile = new TFile(TString(Reference)+".root");
0009
0010
0011
0012 TList* list = reffile->GetListOfKeys();
0013 TObject* object = list->First();
0014
0015 int iHisto = 0; char title[50];
0016 while (object) {
0017
0018 std::cout << " Histo " << object->GetName() << std::endl;
0019 TH1I * h1 = dynamic_cast<TH1I*>( reffile->Get(object->GetName()));
0020 TH1I * h2 = dynamic_cast<TH1I*>( curfile->Get(object->GetName()));
0021 bool isHisto = (reffile->Get(object->GetName()))->InheritsFrom("TH1I");
0022
0023 if (isHisto && h1 && h2 && *h1->GetName()== *h2->GetName()) {
0024 iHisto++;
0025 char title[50];
0026
0027 std::cout << " Start draw and compare" << std::endl;
0028 TCanvas c1;
0029 TH1I htemp2;
0030 h2->Copy(htemp2);
0031
0032 h1->SetLineColor(2);
0033 htemp2.SetLineColor(3);
0034 h1->SetLineStyle(3);
0035 h1->SetMarkerColor(3);
0036 htemp2.SetLineStyle(5);
0037 htemp2.SetMarkerColor(5);
0038 TLegend leg(0.1, 0.15, 0.2, 0.25);
0039 leg.AddEntry(h1, "Reference", "l");
0040 leg.AddEntry(&htemp2, "New ", "l");
0041
0042 h1->Draw();
0043 htemp2.Draw("same");
0044
0045 leg.Draw();
0046 sprintf(title,"%s%s", object->GetName(),".gif");
0047 c1.Print(title);
0048 }
0049
0050
0051 object = list->After(object);
0052 }
0053 }