| 1 |
// $Id: FillerConversions.cc,v 1.17 2009/07/20 03:19:24 loizides Exp $
|
| 2 |
|
| 3 |
#include "MitProd/TreeFiller/interface/FillerConversions.h"
|
| 4 |
#include "DataFormats/Common/interface/RefToPtr.h"
|
| 5 |
#include "MitAna/DataTree/interface/ConversionCol.h"
|
| 6 |
#include "MitAna/DataTree/interface/Names.h"
|
| 7 |
#include "MitProd/ObjectService/interface/ObjectService.h"
|
| 8 |
|
| 9 |
using namespace std;
|
| 10 |
using namespace edm;
|
| 11 |
using namespace mithep;
|
| 12 |
|
| 13 |
//--------------------------------------------------------------------------------------------------
|
| 14 |
FillerConversions::FillerConversions(const ParameterSet &cfg, const char *name, bool active) :
|
| 15 |
BaseFiller(cfg,name,active),
|
| 16 |
edmName_(Conf().getUntrackedParameter<string>("edmName","conversions")),
|
| 17 |
mitName_(Conf().getUntrackedParameter<string>("mitName","Conversions")),
|
| 18 |
stablePartMapNames_(Conf().exists("stablePartMaps") ?
|
| 19 |
Conf().getUntrackedParameter<vector<string> >("stablePartMaps") :
|
| 20 |
vector<string>()),
|
| 21 |
conversionMapName_(Conf().getUntrackedParameter<string>("conversionMapName",
|
| 22 |
Form("%sMapName",mitName_.c_str()))),
|
| 23 |
conversions_(new mithep::ConversionArr(16)),
|
| 24 |
conversionMap_(new mithep::ConversionMap)
|
| 25 |
{
|
| 26 |
// Constructor.
|
| 27 |
}
|
| 28 |
|
| 29 |
//--------------------------------------------------------------------------------------------------
|
| 30 |
FillerConversions::~FillerConversions()
|
| 31 |
{
|
| 32 |
// Destructor.
|
| 33 |
|
| 34 |
delete conversions_;
|
| 35 |
delete conversionMap_;
|
| 36 |
}
|
| 37 |
|
| 38 |
//--------------------------------------------------------------------------------------------------
|
| 39 |
void FillerConversions::BookDataBlock(TreeWriter &tws, const edm::EventSetup &es)
|
| 40 |
{
|
| 41 |
// Add conversions to tree. Publish and get our objects.
|
| 42 |
|
| 43 |
tws.AddBranch(mitName_,&conversions_);
|
| 44 |
OS()->add<mithep::ConversionArr>(conversions_,mitName_);
|
| 45 |
|
| 46 |
if (!convElectronMapName_.empty()) {
|
| 47 |
conversionMap_->SetBrName(mitName_);
|
| 48 |
OS()->add(conversionMap_,conversionMapName_);
|
| 49 |
}
|
| 50 |
|
| 51 |
for (std::vector<std::string>::const_iterator bmapName = stablePartMapNames_.begin();
|
| 52 |
bmapName!=stablePartMapNames_.end(); ++bmapName) {
|
| 53 |
if (!bmapName->empty()) {
|
| 54 |
const TrackPartMap *map = OS()->get<TrackPartMap>(*bmapName);
|
| 55 |
if (map) {
|
| 56 |
stablePartMaps_.push_back(map);
|
| 57 |
AddBranchDep(mitName_,map->GetBrName());
|
| 58 |
}
|
| 59 |
}
|
| 60 |
}
|
| 61 |
}
|
| 62 |
|
| 63 |
//--------------------------------------------------------------------------------------------------
|
| 64 |
void FillerConversions::FillDataBlock(const edm::Event &event,
|
| 65 |
const edm::EventSetup &setup)
|
| 66 |
{
|
| 67 |
// Fill conversions data structure and maps.
|
| 68 |
|
| 69 |
conversions_->Delete();
|
| 70 |
conversionMap_->Reset();
|
| 71 |
|
| 72 |
Handle<reco::ConversionCollection> hConversionProduct;
|
| 73 |
GetProduct(edmName_, hConversionProduct, event);
|
| 74 |
|
| 75 |
conversionMap_->SetEdmProductId(hConversionProduct.id().id());
|
| 76 |
|
| 77 |
const reco::ConversionCollection inConversions = *(hConversionProduct.product());
|
| 78 |
|
| 79 |
for (reco::ConversionCollection::const_iterator inConversion = inConversions.begin();
|
| 80 |
inConversion != inConversions.end(); ++inConversion) {
|
| 81 |
|
| 82 |
mithep::Vertex vertex(inConversion->conversionVertex().x(),
|
| 83 |
inConversion->conversionVertex().y(),
|
| 84 |
inConversion->conversionVertex().z(),
|
| 85 |
inConversion->conversionVertex().xError(),
|
| 86 |
inConversion->conversionVertex().yError(),
|
| 87 |
inConversion->conversionVertex().zError());
|
| 88 |
vertex.SetChi2(inConversion->conversionVertex().chi2());
|
| 89 |
vertex.SetNdof((Int_t)inConversion->conversionVertex().ndof());
|
| 90 |
vertex.SetNTracks(inConversion->conversionVertex().tracksSize());
|
| 91 |
|
| 92 |
mithep::Conversion *outConversion = conversions_->Allocate();
|
| 93 |
new (outConversion) mithep::Conversion(vertex);
|
| 94 |
outConversion->SetDCotTheta(inConversion->pairCotThetaSeparation());
|
| 95 |
outConversion->SetEOverP(inConversion->EoverP());
|
| 96 |
outConversion->SetPairMass(inConversion->pairInvariantMass());
|
| 97 |
outConversion->SetPairMomentum(inConversion->pairMomentum().x(),
|
| 98 |
inConversion->pairMomentum().y(),
|
| 99 |
inConversion->pairMomentum().z());
|
| 100 |
|
| 101 |
if (stablePartMaps_.size()) {
|
| 102 |
std::vector<reco::TrackRef> trackRefs = inConversion->tracks();
|
| 103 |
for (std::vector<reco::TrackRef>::const_iterator trackRef = trackRefs.begin();
|
| 104 |
trackRef != trackRefs.end(); ++trackRef) {
|
| 105 |
outConversion->AddDaughter(GetMitParticle(refToPtr(*trackRef)));
|
| 106 |
}
|
| 107 |
}
|
| 108 |
|
| 109 |
reco::ConversionRef theRef(hConversionProduct, inConversion-inConversions.begin());
|
| 110 |
conversionMap_->Add(theRef, outConversion);
|
| 111 |
}
|
| 112 |
|
| 113 |
conversions_->Trim();
|
| 114 |
}
|
| 115 |
|
| 116 |
//--------------------------------------------------------------------------------------------------
|
| 117 |
mithep::Particle *FillerConversions::GetMitParticle(edm::Ptr<reco::Track> ptr) const
|
| 118 |
{
|
| 119 |
// Return our particle referenced by the edm pointer.
|
| 120 |
|
| 121 |
mithep::Particle *mitPart = 0;
|
| 122 |
for (std::vector<const mithep::TrackPartMap*>::const_iterator bmap = stablePartMaps_.begin();
|
| 123 |
bmap!=stablePartMaps_.end(); ++bmap) {
|
| 124 |
const mithep::TrackPartMap *theMap = *bmap;
|
| 125 |
if (theMap->HasMit(ptr)) {
|
| 126 |
mitPart = theMap->GetMit(ptr);
|
| 127 |
return mitPart;
|
| 128 |
}
|
| 129 |
}
|
| 130 |
|
| 131 |
if (!mitPart)
|
| 132 |
throw edm::Exception(edm::errors::Configuration, "FillerConversions::FillDataBlock()\n")
|
| 133 |
<< "Error! MITHEP Object "
|
| 134 |
<< "not found in AssociationMaps (" << typeid(*this).name() << ")." << std::endl;
|
| 135 |
|
| 136 |
return mitPart;
|
| 137 |
}
|
