|
|
|
#include <RecoEgamma/EgammaHLTAlgos/interface/EgammaHLTTrackIsolation.h>
Public Member Functions | |
| EgammaHLTTrackIsolation (double egTrkIso_PtMin, double egTrkIso_ConeSize, double egTrkIso_ZSpan, double egTrkIso_RSpan, double egTrkIso_VetoConeSize, double egTrkIso_stripBarrel=0, double egTrkIso_stripEndcap=0) | |
| std::pair< int, float > | electronIsolation (const reco::Track *const tr, const reco::TrackCollection *isoTracks) |
| Get number of tracks and Pt sum of tracks inside an isolation cone for electrons. | |
| std::pair< int, float > | electronIsolation (const reco::Track *const tr, const reco::TrackCollection *isoTracks, GlobalPoint vertex) |
| std::pair< int, float > | electronIsolation (const reco::Track *const tr, const reco::ElectronCollection *allEle, const reco::TrackCollection *isoTracks) |
| float | electronPtSum (const reco::Track *const tr, const reco::TrackCollection *isoTracks) |
| Get Pt sum of tracks inside an isolation cone for electrons. | |
| float | electronPtSum (const reco::Track *const tr, const reco::TrackCollection *isoTracks, GlobalPoint vertex) |
| float | electronPtSum (const reco::Track *const tr, const reco::ElectronCollection *allEle, const reco::TrackCollection *isoTracks) |
| int | electronTrackCount (const reco::Track *const tr, const reco::TrackCollection *isoTracks) |
| Get number of tracks inside an isolation cone for electrons. | |
| int | electronTrackCount (const reco::Track *const tr, const reco::TrackCollection *isoTracks, GlobalPoint vertex) |
| double | getConeSize () |
| Get isolation cone size. | |
| double | getPtMin () |
| Get pt cut for itracks. | |
| double | getRspan () |
| Get maximum transverse distance of ivertex from beam line. | |
| double | getvetoConesize () |
| Get veto cone size. | |
| double | getZspan () |
| Get maximum ivertex z-coordinate spread. | |
| std::pair< int, float > | photonIsolation (const reco::RecoCandidate *const recocand, const reco::TrackCollection *isoTracks, bool useVertex) |
| std::pair< int, float > | photonIsolation (const reco::RecoCandidate *const recocand, const reco::TrackCollection *isoTracks, GlobalPoint vertex) |
| std::pair< int, float > | photonIsolation (const reco::RecoCandidate *const recocand, const reco::ElectronCollection *allEle, const reco::TrackCollection *isoTracks) |
| float | photonPtSum (const reco::RecoCandidate *const recocand, const reco::ElectronCollection *allEle, const reco::TrackCollection *isoTracks) |
| float | photonPtSum (const reco::RecoCandidate *const recocand, const reco::TrackCollection *isoTracks, GlobalPoint vertex) |
| float | photonPtSum (const reco::RecoCandidate *const recocand, const reco::TrackCollection *isoTracks, bool useVertex) |
| int | photonTrackCount (const reco::RecoCandidate *const recocand, const reco::ElectronCollection *allEle, const reco::TrackCollection *isoTracks) |
| int | photonTrackCount (const reco::RecoCandidate *const recocand, const reco::TrackCollection *isoTracks, bool useVertex) |
| int | photonTrackCount (const reco::RecoCandidate *const recocand, const reco::TrackCollection *isoTracks, GlobalPoint vertex) |
Private Member Functions | |
| std::pair< int, float > | findIsoTracks (GlobalVector mom, GlobalPoint vtx, const reco::TrackCollection *isoTracks, bool isElectron, bool useVertex=true) |
| std::pair< int, float > | findIsoTracksWithoutEle (GlobalVector mom, GlobalPoint vtx, const reco::ElectronCollection *allEle, const reco::TrackCollection *isoTracks) |
Private Attributes | |
| double | conesize |
| double | ptMin |
| double | rspan |
| double | stripBarrel |
| double | stripEndcap |
| double | vetoConesize |
| double | zspan |
Description: Number of tracks inside an isolation cone, with con geometry defined by ptMin, conesize, rspan and zspan. Usage: <usage>
Definition at line 48 of file EgammaHLTTrackIsolation.h.
| EgammaHLTTrackIsolation::EgammaHLTTrackIsolation | ( | double | egTrkIso_PtMin, |
| double | egTrkIso_ConeSize, | ||
| double | egTrkIso_ZSpan, | ||
| double | egTrkIso_RSpan, | ||
| double | egTrkIso_VetoConeSize, | ||
| double | egTrkIso_stripBarrel = 0, |
||
| double | egTrkIso_stripEndcap = 0 |
||
| ) | [inline] |
Definition at line 54 of file EgammaHLTTrackIsolation.h.
:
ptMin(egTrkIso_PtMin),
conesize(egTrkIso_ConeSize),
zspan(egTrkIso_ZSpan),
rspan(egTrkIso_RSpan),
vetoConesize(egTrkIso_VetoConeSize),
stripBarrel(egTrkIso_stripBarrel),
stripEndcap(egTrkIso_stripEndcap)
{
/*
std::cout << "EgammaHLTTrackIsolation instance:"
<< " ptMin=" << ptMin << " "
<< " conesize="<< conesize << " "
<< " zspan=" << zspan << " "
<< " rspan=" << rspan << " "
<< " vetoConesize="<< vetoConesize
<< std::endl;
*/
}
| std::pair< int, float > EgammaHLTTrackIsolation::electronIsolation | ( | const reco::Track *const | tr, |
| const reco::TrackCollection * | isoTracks | ||
| ) |
Get number of tracks and Pt sum of tracks inside an isolation cone for electrons.
Definition at line 20 of file EgammaHLTTrackIsolation.cc.
References findIsoTracks(), reco::TrackBase::momentum(), AlCaHLTBitMon_ParallelJobs::p, and reco::TrackBase::vertex().
Referenced by electronPtSum(), and electronTrackCount().
{
GlobalPoint vtx(0,0,tr->vertex().z());
reco::Track::Vector p = tr->momentum();
GlobalVector mom( p.x(), p.y(), p.z() );
return findIsoTracks(mom,vtx,isoTracks,true);
}
| std::pair< int, float > EgammaHLTTrackIsolation::electronIsolation | ( | const reco::Track *const | tr, |
| const reco::ElectronCollection * | allEle, | ||
| const reco::TrackCollection * | isoTracks | ||
| ) |
Definition at line 38 of file EgammaHLTTrackIsolation.cc.
References findIsoTracksWithoutEle(), reco::TrackBase::momentum(), AlCaHLTBitMon_ParallelJobs::p, and reco::TrackBase::vertex().
{
GlobalPoint vtx(0,0,tr->vertex().z());
reco::Track::Vector p = tr->momentum();
GlobalVector mom( p.x(), p.y(), p.z() );
return findIsoTracksWithoutEle(mom,vtx,allEle,isoTracks);
}
| std::pair< int, float > EgammaHLTTrackIsolation::electronIsolation | ( | const reco::Track *const | tr, |
| const reco::TrackCollection * | isoTracks, | ||
| GlobalPoint | vertex | ||
| ) |
Definition at line 29 of file EgammaHLTTrackIsolation.cc.
References findIsoTracks(), reco::TrackBase::momentum(), AlCaHLTBitMon_ParallelJobs::p, and PV3DBase< T, PVType, FrameType >::z().
{
// Just to insure consistency with no-vertex-code
GlobalPoint vtx(0,0,zvtx.z());
reco::Track::Vector p = tr->momentum();
GlobalVector mom( p.x(), p.y(), p.z() );
return findIsoTracks(mom,vtx,isoTracks,true);
}
| float EgammaHLTTrackIsolation::electronPtSum | ( | const reco::Track *const | tr, |
| const reco::TrackCollection * | isoTracks | ||
| ) | [inline] |
Get Pt sum of tracks inside an isolation cone for electrons.
Definition at line 111 of file EgammaHLTTrackIsolation.h.
References electronIsolation().
Referenced by egHLT::OffHelper::fillIsolData().
{return electronIsolation(tr,isoTracks).second;}
| float EgammaHLTTrackIsolation::electronPtSum | ( | const reco::Track *const | tr, |
| const reco::TrackCollection * | isoTracks, | ||
| GlobalPoint | vertex | ||
| ) | [inline] |
Definition at line 113 of file EgammaHLTTrackIsolation.h.
References electronIsolation().
{return electronIsolation(tr,isoTracks,vertex).second;}
| float EgammaHLTTrackIsolation::electronPtSum | ( | const reco::Track *const | tr, |
| const reco::ElectronCollection * | allEle, | ||
| const reco::TrackCollection * | isoTracks | ||
| ) | [inline] |
Definition at line 115 of file EgammaHLTTrackIsolation.h.
References electronIsolation().
{return electronIsolation(tr,allEle,isoTracks).second;}
| int EgammaHLTTrackIsolation::electronTrackCount | ( | const reco::Track *const | tr, |
| const reco::TrackCollection * | isoTracks, | ||
| GlobalPoint | vertex | ||
| ) | [inline] |
Definition at line 97 of file EgammaHLTTrackIsolation.h.
References electronIsolation().
{return electronIsolation(tr,isoTracks,vertex).first;}
| int EgammaHLTTrackIsolation::electronTrackCount | ( | const reco::Track *const | tr, |
| const reco::TrackCollection * | isoTracks | ||
| ) | [inline] |
Get number of tracks inside an isolation cone for electrons.
Definition at line 95 of file EgammaHLTTrackIsolation.h.
References electronIsolation().
{return electronIsolation(tr,isoTracks).first;}
| std::pair< int, float > EgammaHLTTrackIsolation::findIsoTracks | ( | GlobalVector | mom, |
| GlobalPoint | vtx, | ||
| const reco::TrackCollection * | isoTracks, | ||
| bool | isElectron, | ||
| bool | useVertex = true |
||
| ) | [private] |
Definition at line 83 of file EgammaHLTTrackIsolation.cc.
References PV3DBase< T, PVType, FrameType >::eta(), M_PI, ntrack, PV3DBase< T, PVType, FrameType >::perp(), PV3DBase< T, PVType, FrameType >::phi(), ptMin, dttmaxenums::R, rspan, mathSSE::sqrt(), stripBarrel, stripEndcap, vetoConesize, PV3DBase< T, PVType, FrameType >::z(), and zspan.
Referenced by electronIsolation(), and photonIsolation().
{
// Check that reconstructed tracks fit within cone boundaries,
// (Note: tracks will not always stay within boundaries)
int ntrack = 0;
float ptSum = 0.;
for(reco::TrackCollection::const_iterator trItr = isoTracks->begin(); trItr != isoTracks->end(); ++trItr){
GlobalPoint ivtx(trItr->vertex().x(),trItr->vertex().y(),trItr->vertex().z());
reco::Track::Vector ip = trItr->momentum();
GlobalVector imom ( ip.x(), ip.y(), ip.z());
float pt = imom.perp();
float dperp = 0.;
float dz = 0.;
float deta = 0.;
float dphi = 0.;
if (useVertex) {
dperp = ivtx.perp()-vtx.perp();
dz = ivtx.z()-vtx.z();
deta = imom.eta()-mom.eta();
dphi = imom.phi()-mom.phi();
} else {
//in case of unkown photon vertex, modify direction of photon to point from
//current track vertex to sc instead of from (0.,0.,0.) to sc. In this
//way, all tracks are considered based on direction alone.
GlobalVector mom_temp = mom - GlobalVector(ivtx.x(),ivtx.y(),ivtx.z());
deta = imom.eta()-mom_temp.eta();
dphi = imom.phi()-mom_temp.phi();
}
// Correct dmom_phi's from [-2pi,2pi] to [-pi,pi]
if (dphi>M_PI) dphi = dphi - 2*M_PI;
else if (dphi<-M_PI) dphi = dphi + 2*M_PI;
float R = sqrt( dphi*dphi + deta*deta );
// Apply boundary cut
// bool selected=false;
// if (pt > ptMin && R < conesize &&
// fabs(dperp) < rspan && fabs(dz) < zspan) selected=true;
// if (selected) {
// ntrack++;
// if (!isElectron || R > vetoConesize) ptSum+=pt; //to exclude electron track
// }
// float theVetoVar = R;
// if (isElectron) theVetoVar = R;
//hmm how do I figure out if this is barrel or endcap?
//abs(mom.eta())<1.5 is the obvious choice but that will be electron not detector eta for electrons
//well lets leave it as that for now, its what reco does (well with eta=1.479)
double innerStrip = fabs(mom.eta())<1.479 ? stripBarrel : stripEndcap;
if (pt > ptMin && R < conesize && R > vetoConesize &&
fabs(dperp) < rspan && fabs(dz) < zspan &&
fabs(deta) >=innerStrip) {
ntrack++;
ptSum+=pt;
}
}
// if (isElectron) ntrack-=1; //to exclude electron track
return (std::pair<int,float>(ntrack,ptSum));
}
| std::pair< int, float > EgammaHLTTrackIsolation::findIsoTracksWithoutEle | ( | GlobalVector | mom, |
| GlobalPoint | vtx, | ||
| const reco::ElectronCollection * | allEle, | ||
| const reco::TrackCollection * | isoTracks | ||
| ) | [private] |
Definition at line 153 of file EgammaHLTTrackIsolation.cc.
References conesize, PV3DBase< T, PVType, FrameType >::eta(), M_PI, ntrack, PV3DBase< T, PVType, FrameType >::perp(), PV3DBase< T, PVType, FrameType >::phi(), ptMin, dttmaxenums::R, rspan, mathSSE::sqrt(), stripBarrel, stripEndcap, vetoConesize, PV3DBase< T, PVType, FrameType >::z(), and zspan.
Referenced by electronIsolation(), and photonIsolation().
{
// Check that reconstructed tracks fit within cone boundaries,
// (Note: tracks will not always stay within boundaries)
int iele = 0;
int ntrack = 0;
float ptSum = 0.;
std::vector<float> etaele;
std::vector<float> phiele;
// std::cout << "allEle.size() = " << allEle->size() << std::endl;
// Store ALL electrons eta and phi
for (reco::ElectronCollection::const_iterator iElectron = allEle->begin(); iElectron != allEle->end(); iElectron++){
iele++;
reco::TrackRef anothereletrackref = iElectron->track();
etaele.push_back(anothereletrackref->momentum().eta());
phiele.push_back(anothereletrackref->momentum().phi());
// std::cout << "Electron " << iele << ": phi = " << anothereletrackref->momentum().phi() << ", eta = " << anothereletrackref->momentum().eta() << std::endl;
}
for(reco::TrackCollection::const_iterator trItr = isoTracks->begin(); trItr != isoTracks->end(); ++trItr){
GlobalPoint ivtx(trItr->vertex().x(),trItr->vertex().y(),trItr->vertex().z());
reco::Track::Vector ip = trItr->momentum();
GlobalVector imom ( ip.x(), ip.y(), ip.z());
float pt = imom.perp();
float dperp = ivtx.perp()-vtx.perp();
float dz = ivtx.z()-vtx.z();
float deta = imom.eta()-mom.eta();
float dphi = imom.phi()-mom.phi();
// Correct dmom_phi's from [-2pi,2pi] to [-pi,pi]
if (dphi>M_PI) dphi = dphi - 2*M_PI;
else if (dphi<-M_PI) dphi = dphi + 2*M_PI;
float R = sqrt( dphi*dphi + deta*deta );
// Apply boundary cut
bool selected=false;
bool passedconeveto=true;
//hmm how do I figure out if this is barrel or endcap?
//abs(mom.eta())<1.5 is the obvious choice but that will be electron not detector eta for electrons
//well lets leave it as that for now, its what reco does (well with eta=1.479)
double innerStrip = fabs(mom.eta())<1.479 ? stripBarrel : stripEndcap;
if (pt > ptMin && R < conesize &&
fabs(dperp) < rspan && fabs(dz) < zspan &&
fabs(deta) >=innerStrip) selected=true;
// Check that NO electron is counted in the isolation
for(unsigned int eleItr = 0; eleItr < etaele.size(); ++eleItr){
deta = etaele[eleItr] - imom.eta();
dphi = phiele[eleItr] - imom.phi();
// Correct dmom_phi's from [-2pi,2pi] to [-pi,pi]
if (dphi>M_PI) dphi = dphi - 2*M_PI;
else if (dphi<-M_PI) dphi = dphi + 2*M_PI;
R = sqrt( dphi*dphi + deta*deta );
if (R < vetoConesize) passedconeveto=false;
}
if (selected && passedconeveto) {
ntrack++;
ptSum+=pt; //to exclude electron tracks
}
}
// ntrack-=1; //to exclude electron track
return (std::pair<int,float>(ntrack,ptSum));
}
| double EgammaHLTTrackIsolation::getConeSize | ( | ) | [inline] |
Get isolation cone size.
Definition at line 132 of file EgammaHLTTrackIsolation.h.
References conesize.
{ return conesize; }
| double EgammaHLTTrackIsolation::getPtMin | ( | ) | [inline] |
Get pt cut for itracks.
Definition at line 130 of file EgammaHLTTrackIsolation.h.
References ptMin.
{ return ptMin;}
| double EgammaHLTTrackIsolation::getRspan | ( | ) | [inline] |
Get maximum transverse distance of ivertex from beam line.
Definition at line 136 of file EgammaHLTTrackIsolation.h.
References rspan.
{ return rspan; }
| double EgammaHLTTrackIsolation::getvetoConesize | ( | ) | [inline] |
Get veto cone size.
Definition at line 138 of file EgammaHLTTrackIsolation.h.
References vetoConesize.
{ return vetoConesize; }
| double EgammaHLTTrackIsolation::getZspan | ( | ) | [inline] |
Get maximum ivertex z-coordinate spread.
Definition at line 134 of file EgammaHLTTrackIsolation.h.
References zspan.
{return zspan; }
| std::pair< int, float > EgammaHLTTrackIsolation::photonIsolation | ( | const reco::RecoCandidate *const | recocand, |
| const reco::TrackCollection * | isoTracks, | ||
| bool | useVertex | ||
| ) |
Get number of tracks and Pt sum of tracks inside an isolation cone for photons set useVertex=true to use PhotonCandidate vertex from EgammaPhotonVtxFinder set useVertex=false to consider all tracks for isolation
Definition at line 46 of file EgammaHLTTrackIsolation.cc.
References findIsoTracks(), pos, reco::RecoCandidate::superCluster(), and reco::LeafCandidate::vertex().
Referenced by photonPtSum(), and photonTrackCount().
{
if (useVertex) {
GlobalPoint vtx(0,0,recocandidate->vertex().z());
return photonIsolation(recocandidate,isoTracks,vtx);
} else {
reco::RecoCandidate::Point pos = recocandidate->superCluster()->position();
GlobalVector mom(pos.x(),pos.y(),pos.z());
return findIsoTracks(mom,GlobalPoint(),isoTracks,false,false);
}
}
| std::pair< int, float > EgammaHLTTrackIsolation::photonIsolation | ( | const reco::RecoCandidate *const | recocand, |
| const reco::ElectronCollection * | allEle, | ||
| const reco::TrackCollection * | isoTracks | ||
| ) |
Definition at line 74 of file EgammaHLTTrackIsolation.cc.
References findIsoTracksWithoutEle(), pos, and reco::RecoCandidate::superCluster().
{
reco::RecoCandidate::Point pos = recocandidate->superCluster()->position();
GlobalVector mom(pos.x(),pos.y(),pos.z());
return findIsoTracksWithoutEle(mom,GlobalPoint(),allEle,isoTracks);
}
| std::pair< int, float > EgammaHLTTrackIsolation::photonIsolation | ( | const reco::RecoCandidate *const | recocand, |
| const reco::TrackCollection * | isoTracks, | ||
| GlobalPoint | vertex | ||
| ) |
Definition at line 60 of file EgammaHLTTrackIsolation.cc.
References findIsoTracks(), pos, reco::RecoCandidate::superCluster(), and PV3DBase< T, PVType, FrameType >::z().
{
// to insure consistency with no-free-vertex-code
GlobalPoint vtx(0,0,zvtx.z());
reco::RecoCandidate::Point pos = recocandidate->superCluster()->position();
GlobalVector mom(pos.x()-vtx.x(),pos.y()-vtx.y(),pos.z()-vtx.z());
return findIsoTracks(mom,vtx,isoTracks,false);
}
| float EgammaHLTTrackIsolation::photonPtSum | ( | const reco::RecoCandidate *const | recocand, |
| const reco::ElectronCollection * | allEle, | ||
| const reco::TrackCollection * | isoTracks | ||
| ) | [inline] |
Definition at line 125 of file EgammaHLTTrackIsolation.h.
References photonIsolation().
{return photonIsolation(recocand,allEle,isoTracks).second;}
| float EgammaHLTTrackIsolation::photonPtSum | ( | const reco::RecoCandidate *const | recocand, |
| const reco::TrackCollection * | isoTracks, | ||
| bool | useVertex | ||
| ) | [inline] |
Get Pt sum of tracks inside an isolation cone for photons set useVertex=true to use Photon vertex from EgammaPhotonVtxFinder set useVertex=false to consider all tracks for isolation
Definition at line 121 of file EgammaHLTTrackIsolation.h.
References photonIsolation().
Referenced by egHLT::OffHelper::fillIsolData(), and EgammaHLTPhotonTrackIsolationProducersRegional::produce().
{return photonIsolation(recocand,isoTracks, useVertex).second;}
| float EgammaHLTTrackIsolation::photonPtSum | ( | const reco::RecoCandidate *const | recocand, |
| const reco::TrackCollection * | isoTracks, | ||
| GlobalPoint | vertex | ||
| ) | [inline] |
Definition at line 123 of file EgammaHLTTrackIsolation.h.
References photonIsolation().
{return photonIsolation(recocand,isoTracks, vertex).second;}
| int EgammaHLTTrackIsolation::photonTrackCount | ( | const reco::RecoCandidate *const | recocand, |
| const reco::ElectronCollection * | allEle, | ||
| const reco::TrackCollection * | isoTracks | ||
| ) | [inline] |
Definition at line 107 of file EgammaHLTTrackIsolation.h.
References photonIsolation().
{return photonIsolation(recocand,allEle,isoTracks).first;}
| int EgammaHLTTrackIsolation::photonTrackCount | ( | const reco::RecoCandidate *const | recocand, |
| const reco::TrackCollection * | isoTracks, | ||
| GlobalPoint | vertex | ||
| ) | [inline] |
Definition at line 105 of file EgammaHLTTrackIsolation.h.
References photonIsolation().
{return photonIsolation(recocand,isoTracks,vertex).first;}
| int EgammaHLTTrackIsolation::photonTrackCount | ( | const reco::RecoCandidate *const | recocand, |
| const reco::TrackCollection * | isoTracks, | ||
| bool | useVertex | ||
| ) | [inline] |
Get number of tracks inside an isolation cone for photons set useVertex=true to use Photon vertex from EgammaPhotonVtxFinder set useVertex=false to consider all tracks for isolation
Definition at line 103 of file EgammaHLTTrackIsolation.h.
References photonIsolation().
Referenced by egHLT::OffHelper::fillIsolData(), and EgammaHLTPhotonTrackIsolationProducersRegional::produce().
{return photonIsolation(recocand,isoTracks,useVertex).first;}
double EgammaHLTTrackIsolation::conesize [private] |
Definition at line 147 of file EgammaHLTTrackIsolation.h.
Referenced by findIsoTracksWithoutEle(), and getConeSize().
double EgammaHLTTrackIsolation::ptMin [private] |
Definition at line 146 of file EgammaHLTTrackIsolation.h.
Referenced by findIsoTracks(), findIsoTracksWithoutEle(), and getPtMin().
double EgammaHLTTrackIsolation::rspan [private] |
Definition at line 149 of file EgammaHLTTrackIsolation.h.
Referenced by findIsoTracks(), findIsoTracksWithoutEle(), and getRspan().
double EgammaHLTTrackIsolation::stripBarrel [private] |
Definition at line 153 of file EgammaHLTTrackIsolation.h.
Referenced by findIsoTracks(), and findIsoTracksWithoutEle().
double EgammaHLTTrackIsolation::stripEndcap [private] |
Definition at line 154 of file EgammaHLTTrackIsolation.h.
Referenced by findIsoTracks(), and findIsoTracksWithoutEle().
double EgammaHLTTrackIsolation::vetoConesize [private] |
Definition at line 150 of file EgammaHLTTrackIsolation.h.
Referenced by findIsoTracks(), findIsoTracksWithoutEle(), and getvetoConesize().
double EgammaHLTTrackIsolation::zspan [private] |
Definition at line 148 of file EgammaHLTTrackIsolation.h.
Referenced by findIsoTracks(), findIsoTracksWithoutEle(), and getZspan().
1.7.3