#include <TH1.h>
#include <TFile.h>
#include <iostream>

void ReadHistos(const char* file) {
  cout << ">> Opening file \"" << file << "\"..." << endl;
  TFile *f = TFile::Open(file);
  
  cout << ">> Reading histograms..." << endl;
  TH1F* hChannel = (TH1F*)f->Get("hChannel");
  TH1F* hdPhi    = (TH1F*)f->Get("hdPhi");


  cout << ">> Drawing histograms..." << endl;
  TCanvas* c = new TCanvas;
  c->Divide(2,1);
  c->cd(1);
  hChannel->Draw();
  c->cd(2);
  hdPhi->Draw();
}