adding selector that creates histograms needed for systematic uncertainty

[u/mrichter/AliRoot.git] / PWG0 / dNdEta / makeCorrection2.C

/* $Id$ */

//
// Script to make correction maps for dndeta measurements using the
// dNdEtaCorrection class.
//
// implementation with TSelector
//

#include "../CreateESDChain.C"

void makeCorrection2(Char_t* dataDir, Int_t nRuns=20, Int_t offset = 0, Bool_t debug = kFALSE, const Char_t* option = "")
{
  gSystem->Load("libPWG0base");
  gSystem->Load("libPWG0dep");

  gROOT->ProcessLine(".L CreateCuts.C");

  AliESDtrackCuts* esdTrackCuts = CreateTrackCuts();
  if (!esdTrackCuts)
  {
    printf("ERROR: esdTrackCuts could not be created\n");
    return;
  }

  TChain* chain = CreateESDChain(dataDir, nRuns, offset);
  chain->GetUserInfo()->Add(esdTrackCuts);

  TString selector("AlidNdEtaCorrectionSelector.cxx++");
  if (debug != kFALSE)
    selector += "g";

  chain->Process(selector, option);
}