#include "TPad.h"
#include "THistComp.hh"

ClassImp(THistComp)
ClassImp(TGoodHistComp)
ClassImp(TBadHistComp)

//_____________________________________________________________________________
void THistComp::Draw(Option_t* Opt) {

  double x;
  double xmax = 0.;

  double marker_size = 0.5;

//   fHist1->SetNormFactor(fHist1->GetEntries());
//   fHist2->SetNormFactor(fHist2->GetEntries());

  int nx = fHist2->GetNbinsX();
  for (int i=1; i<=nx; i++) {
    x = fHist1->GetBinContent(i);
    if (x > xmax) xmax = x;
    x = fHist2->GetBinContent(i);
    if (x > xmax) xmax = x;
  }

  fHist1->SetMaximum(xmax*1.1);

  fHist1->SetMarkerSize(marker_size);
  fHist1->SetMarkerStyle(20);
  fHist1->Draw(Opt);

  //  fHist2->SetNormFactor(fHist1->Integral());

  fHist2->SetFillStyle(3013);
  fHist2->SetFillColor(41);
  fHist2->Draw("same");

  fHist1->SetMarkerSize(marker_size);
  fHist1->SetMarkerStyle(20);

  TString opt(Opt);
  opt += ",same";
  fHist1->Draw(opt.Data());

  gPad->Update();

  printf(" ------------ %s , ks(prob) : %12.5g\n",GetName(),GetKsProb());
  //  printf(" xmax %f\n",xmax);
  printf(" h1i, h2i = %f  %f\n",fHist1->Integral(), fHist2->Integral());
}