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// -*- C++ -*-
//
// Package: HTrackAssociator
// Class: HDetIdAssociator
//
/*
Description: <one line class summary>
Implementation:
<Notes on implementation>
*/
//
// Original Author: Dmytro Kovalskyi
// Modified for ECAL+HCAL by: Michal Szleper
// Created: Fri Apr 21 10:59:41 PDT 2006
//
//
#include "Calibration/Tools/interface/DetIdAssociator.h"
#include <memory>
// surfaces is a vector of GlobalPoint representing outermost point on a cylinder
std::vector<GlobalPoint> HDetIdAssociator::getTrajectory(const FreeTrajectoryState& ftsStart,
const std::vector<GlobalPoint>& surfaces) {
check_setup();
std::vector<GlobalPoint> trajectory;
TrajectoryStateOnSurface tSOSDest;
FreeTrajectoryState ftsCurrent = ftsStart;
for (std::vector<GlobalPoint>::const_iterator surface_iter = surfaces.begin(); surface_iter != surfaces.end();
surface_iter++) {
// this stuff is some weird pointer, which destroy itself
std::unique_ptr<Cylinder> cylinder =
std::make_unique<Cylinder>(surface_iter->perp(), Surface::PositionType(0, 0, 0), Surface::RotationType());
std::unique_ptr<Plane> forwardEndcap =
std::make_unique<Plane>(Surface::PositionType(0, 0, surface_iter->z()), Surface::RotationType());
std::unique_ptr<Plane> backwardEndcap =
std::make_unique<Plane>(Surface::PositionType(0, 0, -surface_iter->z()), Surface::RotationType());
LogTrace("StartingPoint") << "Propagate from "
<< "\n"
<< "\tx: " << ftsStart.position().x() << "\n"
<< "\ty: " << ftsStart.position().y() << "\n"
<< "\tz: " << ftsStart.position().z() << "\n"
<< "\tmomentum eta: " << ftsStart.momentum().eta() << "\n"
<< "\tmomentum phi: " << ftsStart.momentum().phi() << "\n"
<< "\tmomentum: " << ftsStart.momentum().mag() << "\n";
float tanTheta = ftsCurrent.momentum().perp() / ftsCurrent.momentum().z();
float corner = surface_iter->perp() / surface_iter->z();
/*
std::cout<<"Propagate from "<< "\n"
<< "\tx: " << ftsCurrent.position().x()<< "\n"
<< "\ty: " << ftsCurrent.position().y()<< "\n"
<< "\tz: " << ftsCurrent.position().z()<< "\n"
<< "\tz: " << ftsCurrent.position().perp()<< "\n"
<< "\tz: " << tanTheta<<" "<< corner <<"\n"
<< "\tmomentum eta: " << ftsCurrent.momentum().eta()<< "\n"
<< "\tmomentum phi: " << ftsCurrent.momentum().phi()<< "\n"
<< "\tmomentum: " << ftsCurrent.momentum().mag()<<std::endl;
*/
// First propage the track to the cylinder if |eta|<1, othewise to the encap
// and correct depending on the result
int ibar = 0;
if (fabs(tanTheta) > corner) {
tSOSDest = ivProp_->propagate(ftsCurrent, *cylinder);
// std::cout<<" Propagate to cylinder "<<std::endl;
} else if (tanTheta > 0.) {
tSOSDest = ivProp_->propagate(ftsCurrent, *forwardEndcap);
ibar = 1;
} else {
tSOSDest = ivProp_->propagate(ftsCurrent, *backwardEndcap);
ibar = -1;
}
// std::cout<<" Trajectory valid? "<<tSOSDest.isValid()<<" First propagation in "<<ibar<<std::endl;
if (!tSOSDest.isValid()) {
// barrel
if (ibar == 0) {
if (tanTheta < 0)
tSOSDest = ivProp_->propagate(ftsCurrent, *forwardEndcap);
if (tanTheta >= 0)
tSOSDest = ivProp_->propagate(ftsCurrent, *backwardEndcap);
} else {
tSOSDest = ivProp_->propagate(ftsCurrent, *cylinder);
}
} else {
// missed target
if (abs(ibar) > 0) {
if (tSOSDest.globalPosition().perp() > surface_iter->perp()) {
tSOSDest = ivProp_->propagate(ftsCurrent, *cylinder);
}
} else {
if (tanTheta < 0)
tSOSDest = ivProp_->propagate(ftsCurrent, *forwardEndcap);
if (tanTheta >= 0)
tSOSDest = ivProp_->propagate(ftsCurrent, *backwardEndcap);
}
}
// If missed the target, propagate to again
// if ((!tSOSDest.isValid()) && point.perp() > surface_iter->perp())
// {tSOSDest = ivProp_->propagate(ftsCurrent, *cylinder);std::cout<<" Propagate again 1 "<<std::endl;}
// std::cout<<" Track is ok after repropagation to cylinder or not? "<<tSOSDest.isValid()<<std::endl;
// if ((!tSOSDest.isValid()) && ftsStart.momentum().eta()>0. && fabs(ftsStart.momentum().eta())>1.)
// {tSOSDest = ivProp_->propagate(ftsStart, *forwardEndcap);std::cout<<" Propagate again 2 "<<std::endl;}
// std::cout<<" Track is ok after repropagation forward or not? "<<tSOSDest.isValid()<<std::endl;
// if ((!tSOSDest.isValid()) && ftsStart.momentum().eta()<0.&&fabs(ftsStart.momentum().eta())>1.)
// {tSOSDest = ivProp_->propagate(ftsStart, *backwardEndcap);std::cout<<" Propagate again 3 "<<std::endl;}
// std::cout<<" Track is after repropagation backward ok or not? "<<tSOSDest.isValid()<<std::endl;
if (!tSOSDest.isValid())
return trajectory;
// std::cout<<" Propagate reach something"<<std::endl;
LogTrace("SuccessfullPropagation") << "Great, I reached something."
<< "\n"
<< "\tx: " << tSOSDest.freeState()->position().x() << "\n"
<< "\ty: " << tSOSDest.freeState()->position().y() << "\n"
<< "\tz: " << tSOSDest.freeState()->position().z() << "\n"
<< "\teta: " << tSOSDest.freeState()->position().eta() << "\n"
<< "\tphi: " << tSOSDest.freeState()->position().phi() << "\n";
// std::cout<<" The position of trajectory "<<tSOSDest.freeState()->position().perp()<<" "<<tSOSDest.freeState()->position().z()<<std::endl;
GlobalPoint point = tSOSDest.freeState()->position();
point = tSOSDest.freeState()->position();
ftsCurrent = *tSOSDest.freeState();
trajectory.push_back(point);
}
return trajectory;
}
//------------------------------------------------------------------------------
std::set<DetId> HDetIdAssociator::getDetIdsCloseToAPoint(const GlobalPoint& direction, const int idR) {
std::set<DetId> set;
check_setup();
if (!theMap_)
buildMap();
LogTrace("MatchPoint") << "point (eta,phi): " << direction.eta() << "," << direction.phi() << "\n";
int ieta = iEta(direction);
int iphi = iPhi(direction);
LogTrace("MatchPoint") << "(ieta,iphi): " << ieta << "," << iphi << "\n";
if (ieta >= 0 && ieta < nEta_ && iphi >= 0 && iphi < nPhi_) {
set = (*theMap_)[ieta][iphi];
if (idR > 0) {
LogTrace("MatchPoint") << "Add neighbors (ieta,iphi): " << ieta << "," << iphi << "\n";
//add neighbors
int maxIEta = ieta + idR;
int minIEta = ieta - idR;
if (maxIEta >= nEta_)
maxIEta = nEta_ - 1;
if (minIEta < 0)
minIEta = 0;
int maxIPhi = iphi + idR;
int minIPhi = iphi - idR;
if (minIPhi < 0) {
minIPhi += nPhi_;
maxIPhi += nPhi_;
}
LogTrace("MatchPoint") << "\tieta (min,max): " << minIEta << "," << maxIEta << "\n";
LogTrace("MatchPoint") << "\tiphi (min,max): " << minIPhi << "," << maxIPhi << "\n";
for (int i = minIEta; i <= maxIEta; i++)
for (int j = minIPhi; j <= maxIPhi; j++) {
if (i == ieta && j == iphi)
continue; // already in the set
set.insert((*theMap_)[i][j % nPhi_].begin(), (*theMap_)[i][j % nPhi_].end());
}
}
}
// if(set.size() > 0) {
// if (ieta+idR<55 && ieta-idR>14 && set.size() != (2*idR+1)*(2*idR+1)){
// std::cout<<" RRRA: "<<set.size()<<" DetIds in region "<<ieta<<" "<<iphi<<std::endl;
// for( std::set<DetId>::const_iterator itr=set.begin(); itr!=set.end(); itr++) {
// GlobalPoint point = getPosition(*itr);
// std::cout << "DetId: " <<itr->rawId() <<" (eta,phi): " << point.eta() << "," << point.phi()<<" "<<iEta(point)<<" "<<iPhi(point)<<std::endl;
// }
// }
// else {
// std::cout <<" HDetIdAssociator::getDetIdsCloseToAPoint::There are strange days "<<std::endl;
// }
return set;
}
//------------------------------------------------------------------------------
int HDetIdAssociator::iEta(const GlobalPoint& point) {
// unequal bin sizes for endcap, following HCAL geometry
int iEta1 = int(point.eta() / etaBinSize_ + nEta_ / 2);
if (point.eta() > 1.827 && point.eta() <= 1.830)
return iEta1 - 1;
else if (point.eta() > 1.914 && point.eta() <= 1.930)
return iEta1 - 1;
else if (point.eta() > 2.001 && point.eta() <= 2.043)
return iEta1 - 1;
else if (point.eta() > 2.088 && point.eta() <= 2.172)
return iEta1 - 1;
else if (point.eta() > 2.175 && point.eta() <= 2.262)
return iEta1 - 1;
else if (point.eta() > 2.262 && point.eta() <= 2.332)
return iEta1 - 2;
else if (point.eta() > 2.332 && point.eta() <= 2.349)
return iEta1 - 1;
else if (point.eta() > 2.349 && point.eta() <= 2.436)
return iEta1 - 2;
else if (point.eta() > 2.436 && point.eta() <= 2.500)
return iEta1 - 3;
else if (point.eta() > 2.500 && point.eta() <= 2.523)
return iEta1 - 2;
else if (point.eta() > 2.523 && point.eta() <= 2.610)
return iEta1 - 3;
else if (point.eta() > 2.610 && point.eta() <= 2.650)
return iEta1 - 4;
else if (point.eta() > 2.650 && point.eta() <= 2.697)
return iEta1 - 3;
else if (point.eta() > 2.697 && point.eta() <= 2.784)
return iEta1 - 4;
else if (point.eta() > 2.784 && point.eta() <= 2.868)
return iEta1 - 5;
else if (point.eta() > 2.868 && point.eta() <= 2.871)
return iEta1 - 4;
else if (point.eta() > 2.871 && point.eta() <= 2.958)
return iEta1 - 5;
else if (point.eta() > 2.958)
return iEta1 - 6;
else if (point.eta() < -1.827 && point.eta() >= -1.830)
return iEta1 + 1;
else if (point.eta() < -1.914 && point.eta() >= -1.930)
return iEta1 + 1;
else if (point.eta() < -2.001 && point.eta() >= -2.043)
return iEta1 + 1;
else if (point.eta() < -2.088 && point.eta() >= -2.172)
return iEta1 + 1;
else if (point.eta() < -2.175 && point.eta() >= -2.262)
return iEta1 + 1;
else if (point.eta() < -2.262 && point.eta() >= -2.332)
return iEta1 + 2;
else if (point.eta() < -2.332 && point.eta() >= -2.349)
return iEta1 + 1;
else if (point.eta() < -2.349 && point.eta() >= -2.436)
return iEta1 + 2;
else if (point.eta() < -2.436 && point.eta() >= -2.500)
return iEta1 + 3;
else if (point.eta() < -2.500 && point.eta() >= -2.523)
return iEta1 + 2;
else if (point.eta() < -2.523 && point.eta() >= -2.610)
return iEta1 + 3;
else if (point.eta() < -2.610 && point.eta() >= -2.650)
return iEta1 + 4;
else if (point.eta() < -2.650 && point.eta() >= -2.697)
return iEta1 + 3;
else if (point.eta() < -2.697 && point.eta() >= -2.784)
return iEta1 + 4;
else if (point.eta() < -2.784 && point.eta() >= -2.868)
return iEta1 + 5;
else if (point.eta() < -2.868 && point.eta() >= -2.871)
return iEta1 + 4;
else if (point.eta() < -2.871 && point.eta() >= -2.958)
return iEta1 + 5;
else if (point.eta() < -2.349)
return iEta1 + 6;
else
return iEta1;
}
//------------------------------------------------------------------------------
int HDetIdAssociator::iPhi(const GlobalPoint& point) {
double pi = 4 * atan(1.);
int iPhi1 = int((double(point.phi()) + pi) / (2 * pi) * nPhi_);
return iPhi1;
}
//------------------------------------------------------------------------------
void HDetIdAssociator::buildMap() {
// modified version: take only detector central position
check_setup();
LogTrace("HDetIdAssociator") << "building map"
<< "\n";
if (theMap_)
delete theMap_;
theMap_ = new std::vector<std::vector<std::set<DetId> > >(nEta_, std::vector<std::set<DetId> >(nPhi_));
int numberOfDetIdsOutsideEtaRange = 0;
int numberOfDetIdsActive = 0;
std::set<DetId> validIds = getASetOfValidDetIds();
for (std::set<DetId>::const_iterator id_itr = validIds.begin(); id_itr != validIds.end(); id_itr++) {
// std::vector<GlobalPoint> points = getDetIdPoints(*id_itr);
GlobalPoint point = getPosition(*id_itr);
// reject fake DetIds (eta=0 - what are they anyway???)
if (point.eta() == 0)
continue;
int ieta = iEta(point);
int iphi = iPhi(point);
int etaMax(-1);
int etaMin(nEta_);
int phiMax(-1);
int phiMin(nPhi_);
if (iphi >= nPhi_)
iphi = iphi % nPhi_;
assert(iphi >= 0);
if (etaMin > ieta)
etaMin = ieta;
if (etaMax < ieta)
etaMax = ieta;
if (phiMin > iphi)
phiMin = iphi;
if (phiMax < iphi)
phiMax = iphi;
// for abs(eta)>1.8 one tower covers two phi segments
if ((ieta > 54 || ieta < 15) && iphi % 2 == 0)
phiMax++;
if ((ieta > 54 || ieta < 15) && iphi % 2 == 1)
phiMin--;
if (etaMax < 0 || phiMax < 0 || etaMin >= nEta_ || phiMin >= nPhi_) {
LogTrace("HDetIdAssociator") << "Out of range: DetId:" << id_itr->rawId() << "\n\teta (min,max): " << etaMin
<< "," << etaMax << "\n\tphi (min,max): " << phiMin << "," << phiMax
<< "\nTower id: " << id_itr->rawId() << "\n";
numberOfDetIdsOutsideEtaRange++;
continue;
}
if (phiMax - phiMin > phiMin + nPhi_ - phiMax) {
phiMin += nPhi_;
std::swap(phiMin, phiMax);
}
for (int ieta = etaMin; ieta <= etaMax; ieta++)
for (int iphi = phiMin; iphi <= phiMax; iphi++)
(*theMap_)[ieta][iphi % nPhi_].insert(*id_itr);
numberOfDetIdsActive++;
}
LogTrace("HDetIdAssociator") << "Number of elements outside the allowed range ( |eta|>" << nEta_ / 2 * etaBinSize_
<< "): " << numberOfDetIdsOutsideEtaRange << "\n";
LogTrace("HDetIdAssociator") << "Number of active DetId's mapped: " << numberOfDetIdsActive << "\n";
}
//------------------------------------------------------------------------------
std::set<DetId> HDetIdAssociator::getDetIdsInACone(const std::set<DetId>& inset,
const std::vector<GlobalPoint>& trajectory,
const double dR) {
// modified version: if dR<0, returns 3x3 towers around the input one (Michal)
check_setup();
std::set<DetId> outset;
if (dR >= 0) {
for (std::set<DetId>::const_iterator id_iter = inset.begin(); id_iter != inset.end(); id_iter++)
for (std::vector<GlobalPoint>::const_iterator point_iter = trajectory.begin(); point_iter != trajectory.end();
point_iter++)
if (nearElement(*point_iter, *id_iter, dR))
outset.insert(*id_iter);
} else {
if (inset.size() != 1)
return outset;
std::set<DetId>::const_iterator id_inp = inset.begin();
int ieta;
int iphi;
GlobalPoint point = getPosition(*id_inp);
ieta = iEta(point);
iphi = iPhi(point);
for (int i = ieta - 1; i <= ieta + 1; i++) {
for (int j = iphi - 1; j <= iphi + 1; j++) {
// if( i==ieta && j==iphi) continue;
if (i < 0 || i >= nEta_)
continue;
int j2fill = j % nPhi_;
if (j2fill < 0)
j2fill += nPhi_;
if ((*theMap_)[i][j2fill].empty())
continue;
outset.insert((*theMap_)[i][j2fill].begin(), (*theMap_)[i][j2fill].end());
}
}
}
// if (outset.size() > 0) {
// std::cout<<" RRRA: DetIds in cone:"<<std::endl;
// for( std::set<DetId>::const_iterator itr=outset.begin(); itr!=outset.end(); itr++) {
// GlobalPoint point = getPosition(*itr);
// std::cout << "DetId: " <<itr->rawId() <<" (eta,phi): " << point.eta() << "," << point.phi()<<std::endl;
// }
// }
return outset;
}
//------------------------------------------------------------------------------
std::set<DetId> HDetIdAssociator::getCrossedDetIds(const std::set<DetId>& inset,
const std::vector<GlobalPoint>& trajectory) {
check_setup();
std::set<DetId> outset;
for (std::set<DetId>::const_iterator id_iter = inset.begin(); id_iter != inset.end(); id_iter++)
for (std::vector<GlobalPoint>::const_iterator point_iter = trajectory.begin(); point_iter != trajectory.end();
point_iter++)
if (insideElement(*point_iter, *id_iter))
outset.insert(*id_iter);
return outset;
}
//------------------------------------------------------------------------------
std::set<DetId> HDetIdAssociator::getMaxEDetId(const std::set<DetId>& inset,
edm::Handle<CaloTowerCollection> caloTowers) {
// returns the most energetic tower in the NxN box (Michal)
check_setup();
std::set<DetId> outset;
std::set<DetId>::const_iterator id_max = inset.begin();
double Ehadmax = 0;
for (std::set<DetId>::const_iterator id_iter = inset.begin(); id_iter != inset.end(); id_iter++) {
DetId id(*id_iter);
// GlobalPoint point = getPosition(*id_iter);
// int ieta = iEta(point);
// int iphi = iPhi(point);
CaloTowerCollection::const_iterator tower = (*caloTowers).find(id);
if (tower != (*caloTowers).end() && tower->hadEnergy() > Ehadmax) {
id_max = id_iter;
Ehadmax = tower->hadEnergy();
}
}
if (Ehadmax > 0)
outset.insert(*id_max);
// if (outset.size() > 0) {
// std::cout<<" RRRA: Most energetic DetId:"<<std::endl;
// for( std::set<DetId>::const_iterator itr=outset.begin(); itr!=outset.end(); itr++) {
// GlobalPoint point = getPosition(*itr);
// std::cout << "DetId: " <<itr->rawId() <<" (eta,phi): " << point.eta() << "," << point.phi()<<std::endl;
// }
// }
return outset;
}
//------------------------------------------------------------------------------
std::set<DetId> HDetIdAssociator::getMaxEDetId(const std::set<DetId>& inset,
edm::Handle<HBHERecHitCollection> recHits) {
// returns the most energetic tower in the NxN box - from RecHits (Michal)
check_setup();
std::set<DetId> outset;
std::set<DetId>::const_iterator id_max = inset.begin();
double Ehadmax = 0;
for (std::set<DetId>::const_iterator id_iter = inset.begin(); id_iter != inset.end(); id_iter++) {
DetId id(*id_iter);
// GlobalPoint point = getPosition(*id_iter);
// int ieta = iEta(point);
// int iphi = iPhi(point);
HBHERecHitCollection::const_iterator hit = (*recHits).find(id);
if (hit != (*recHits).end() && hit->energy() > Ehadmax) {
id_max = id_iter;
Ehadmax = hit->energy();
}
}
if (Ehadmax > 0)
outset.insert(*id_max);
// if (outset.size() > 0) {
// std::cout<<" RRRA: Most energetic DetId:"<<std::endl;
// for( std::set<DetId>::const_iterator itr=outset.begin(); itr!=outset.end(); itr++) {
// GlobalPoint point = getPosition(*itr);
// std::cout << "DetId: " <<itr->rawId() <<" (eta,phi): " << point.eta() << "," << point.phi()<<std::endl;
// }
// }
return outset;
}
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