File indexing completed on 2025-11-25 09:24:25
0001 #include <TCanvas.h>
0002 #include <TList.h>
0003 #include <TString.h>
0004
0005 void SaveHistogramsFromList(TList &l, TString prefix) {
0006 TObject* obj = nullptr;
0007 TIter next(&l);
0008
0009 while ((obj = next())) {
0010 if (obj->InheritsFrom(TH1D::Class()) || obj->InheritsFrom(TH2D::Class())) {
0011 TH1* hist = (TH1*)obj;
0012
0013 TString name = hist->GetName();
0014 TString canvasName = name + "_canvas";
0015
0016 TCanvas* c = new TCanvas(canvasName, canvasName, 800, 600);
0017 c->cd();
0018
0019 if (hist->InheritsFrom(TH2::Class()))
0020 hist->Draw("COLZ");
0021 else
0022 hist->Draw();
0023
0024 TString filename = prefix + name + ".png";
0025 c->SaveAs(filename);
0026
0027 delete c;
0028 }
0029 }
0030 }
0031
