| 1 |
sixie |
1.1 |
// $Id: PhotonCleaningMod.cc,v 1.4 2008/11/28 09:13:50 loizides Exp $
|
| 2 |
|
|
|
| 3 |
|
|
#include "MitPhysics/Mods/interface/PhotonCleaningMod.h"
|
| 4 |
|
|
#include "MitCommon/MathTools/interface/MathUtils.h"
|
| 5 |
|
|
#include "MitPhysics/Init/interface/ModNames.h"
|
| 6 |
|
|
|
| 7 |
|
|
using namespace mithep;
|
| 8 |
|
|
|
| 9 |
|
|
ClassImp(mithep::PhotonCleaningMod)
|
| 10 |
|
|
|
| 11 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 12 |
|
|
PhotonCleaningMod::PhotonCleaningMod(const char *name, const char *title) :
|
| 13 |
|
|
BaseMod(name,title),
|
| 14 |
|
|
fCleanElectronsName(ModNames::gkCleanElectronsName),
|
| 15 |
|
|
fGoodPhotonsName(ModNames::gkGoodPhotonsName),
|
| 16 |
|
|
fCleanPhotonsName(ModNames::gkCleanPhotonsName),
|
| 17 |
|
|
fMinDeltaRToElectron(0.3)
|
| 18 |
|
|
{
|
| 19 |
|
|
// Constructor.
|
| 20 |
|
|
}
|
| 21 |
|
|
|
| 22 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 23 |
|
|
void PhotonCleaningMod::Process()
|
| 24 |
|
|
{
|
| 25 |
|
|
// Process entries of the tree.
|
| 26 |
|
|
|
| 27 |
|
|
// get input collections
|
| 28 |
|
|
ElectronOArr *CleanElectrons = GetObjThisEvt<ElectronOArr>(fCleanElectronsName);
|
| 29 |
|
|
PhotonOArr *GoodPhotons = GetObjThisEvt<PhotonOArr>(fGoodPhotonsName);
|
| 30 |
|
|
|
| 31 |
|
|
// create output collection
|
| 32 |
|
|
PhotonOArr *CleanPhotons = new PhotonOArr;
|
| 33 |
|
|
CleanPhotons->SetName(fCleanPhotonsName);
|
| 34 |
|
|
|
| 35 |
|
|
// Remove any photon that overlaps in eta, phi with an isolated electron.
|
| 36 |
|
|
for (UInt_t i=0; i<GoodPhotons->GetEntries(); ++i) {
|
| 37 |
|
|
const Photon *ph = GoodPhotons->At(i);
|
| 38 |
|
|
|
| 39 |
|
|
Bool_t isElectronOverlap = false;
|
| 40 |
|
|
|
| 41 |
|
|
//Check for overlap with an electron
|
| 42 |
|
|
if (CleanElectrons) {
|
| 43 |
|
|
for (UInt_t j=0; j<CleanElectrons->Entries(); j++) {
|
| 44 |
|
|
Double_t deltaR = MathUtils::DeltaR(CleanElectrons->At(j)->Mom(),ph->Mom());
|
| 45 |
|
|
if (deltaR < fMinDeltaRToElectron) {
|
| 46 |
|
|
isElectronOverlap = kTRUE;
|
| 47 |
|
|
break;
|
| 48 |
|
|
}
|
| 49 |
|
|
}
|
| 50 |
|
|
}
|
| 51 |
|
|
|
| 52 |
|
|
if (isElectronOverlap)
|
| 53 |
|
|
continue;
|
| 54 |
|
|
|
| 55 |
|
|
CleanPhotons->Add(ph);
|
| 56 |
|
|
}
|
| 57 |
|
|
|
| 58 |
|
|
// add to event for other modules to use
|
| 59 |
|
|
AddObjThisEvt(CleanPhotons);
|
| 60 |
|
|
}
|
