void AWeights(int ip=0) {
  TCanvas *c1(new TCanvas());

  TFile::Open("SimAnalysisLayerTracks900066.root");

  gStyle->SetOptStat(0);

  AWeightsNaive->SetLineColor(2);
  AWeightsNaive->SetTitle(";Layer;Weight w_{i} (GeV/MeV)");
  AWeightsNaive->GetYaxis()->SetRangeUser(0,0.2);
  AWeightsNaive->GetYaxis()->SetTitleOffset(1.2);

  AWeightsNaive->Draw("hist");
  if(ip>0) {
    AWeightsOpt->SetLineColor(4);
    AWeightsOpt->Draw("hist same");
  }

  c1->Update();
  if(ip==0) c1->Print("AWeights0.png");
  if(ip> 0) c1->Print("AWeights1.png");
}