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#include "FastSimulation/CaloHitMakers/interface/HcalHitMaker.h"
#include "FastSimulation/CaloGeometryTools/interface/CaloGeometryHelper.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/HcalDetId/interface/HcalDetId.h" // PV
#include <algorithm>
#include <cmath>
typedef ROOT::Math::Transform3DPJ::Point Point;
HcalHitMaker::HcalHitMaker(EcalHitMaker& grid, unsigned shower)
: CaloHitMaker(grid.getCalorimeter(),
DetId::Hcal,
HcalHitMaker::getSubHcalDet(grid.getFSimTrack()),
grid.getFSimTrack()->onHcal() ? grid.getFSimTrack()->onHcal() : grid.getFSimTrack()->onVFcal() + 1,
shower),
myGrid(grid),
myTrack((grid.getFSimTrack())) {
// normalize the direction
ecalEntrance_ = myGrid.ecalEntrance();
particleDirection = myTrack->ecalEntrance().Vect().Unit();
radiusFactor_ = (EMSHOWER) ? moliereRadius : interactionLength;
mapCalculated_ = false;
//std::cout << " Famos HCAL " << grid.getTrack()->onHcal() << " " << grid.getTrack()->onVFcal() << " " << showerType << std::endl;
if (EMSHOWER && (abs(grid.getFSimTrack()->type()) != 11 && grid.getFSimTrack()->type() != 22)) {
std::cout << " FamosHcalHitMaker : Strange. The following shower has EM type" << std::endl
<< *grid.getFSimTrack() << std::endl;
}
}
bool HcalHitMaker::addHit(double r, double phi, unsigned layer) {
// std::cout << " FamosHcalHitMaker::addHit - radiusFactor = " << radiusFactor
// << std::endl;
XYZPoint point(r * radiusFactor_ * std::cos(phi), r * radiusFactor_ * std::sin(phi), 0.);
// Watch out !!!! (Point) is a real point in the MathCore terminology (not a redefined a XYZPoint which
// is actually a XYZVector in the MatchCore terminology). Therefore, the Transform3D is correctly applied
point = locToGlobal_((Point)point);
return addHit(point, layer);
}
bool HcalHitMaker::addHit(const XYZPoint& point, unsigned layer) {
// Temporary nasty hacks to avoid misbehaviour of not-intended-for-that
// getClosestCell in case of large (eta beyond HF ...) and in EM showers
if (fabs(point.Z()) > 2000 || fabs(point.X()) > 2000 || fabs(point.Y()) > 2000) {
if (EMSHOWER)
edm::LogWarning("HcalHitMaker") << "received a hit very far from the detector " << point
<< " coming from an electromagnetic shower. - Ignoring it" << std::endl;
else if (HADSHOWER)
edm::LogWarning("HcalHitMaker") << "received a hit very far from the detector " << point
<< " coming from a hadron shower. - Ignoring it" << std::endl;
else if (MIP)
edm::LogWarning("HcalHitMaker") << "received a hit very far from the detector " << point
<< " coming from a muon. - Ignoring it" << std::endl;
return false;
}
double pointeta = fabs(point.eta());
if (pointeta > 5.19)
return false;
//calculate time of flight
double dist = std::sqrt(point.X() * point.X() + point.Y() * point.Y() + point.Z() * point.Z());
double tof = dist / 29.98; //speed of light
DetId thecellID(myCalorimeter->getClosestCell(point, false, false));
HcalDetId myDetId(thecellID);
// if ( myDetId.subdetId() == HcalForward ) {
// std::cout << "HcalHitMaker : " << point.Z() << " " << myDetId.depth() << std::endl;
// }
// std::cout << "BEFORE" << std::endl;
// std::cout << "HcalHitMaker : subdetId : " << myDetId.subdetId() << std::endl;
// std::cout << "HcalHitMaker : depth : " << myDetId.depth() << std::endl;
// std::cout << "HcalHitMaker : ieta : " << myDetId.ieta() << std::endl;
// std::cout << "HcalHitMaker : iphi : " << myDetId.iphi() << std::endl;
// std::cout << "HcalHitMaker : spotE : " << spotEnergy << std::endl;
// std::cout << "HcalHitMaker : point.X : " << point.X() << std::endl;
// std::cout << "HcalHitMaker : point.Y : " << point.Y() << std::endl;
// std::cout << "HcalHitMaker : point.Z : " << point.Z() << std::endl;
if (myDetId.subdetId() == HcalForward) {
int mylayer = layer;
if (myDetId.depth() == 2) {
mylayer = (int)layer;
} else {
mylayer = 1;
}
HcalDetId myDetId2((HcalSubdetector)myDetId.subdetId(), myDetId.ieta(), myDetId.iphi(), mylayer);
thecellID = myDetId2;
myDetId = myDetId2;
}
if (!thecellID.null() && myDetId.depth() > 0) {
CaloHitID current_id(thecellID.rawId(), tof, 0); //no track yet
// std::cout << " FamosHcalHitMaker::addHit - the cell num " << cell
// << std::endl;
std::map<CaloHitID, float>::iterator cellitr;
cellitr = hitMap_.find(current_id);
if (cellitr == hitMap_.end()) {
hitMap_.insert(std::pair<CaloHitID, float>(current_id, spotEnergy));
} else {
cellitr->second += spotEnergy;
}
return true;
}
return false;
}
bool HcalHitMaker::setDepth(double depth, bool inCm) {
currentDepth_ = depth;
std::vector<CaloSegment>::const_iterator segiterator;
if (inCm) {
segiterator =
find_if(myGrid.getSegments().begin(), myGrid.getSegments().end(), CaloSegment::inSegment(currentDepth_));
} else {
if (EMSHOWER)
segiterator =
find_if(myGrid.getSegments().begin(), myGrid.getSegments().end(), CaloSegment::inX0Segment(currentDepth_));
//Hadron shower
if (HADSHOWER)
segiterator =
find_if(myGrid.getSegments().begin(), myGrid.getSegments().end(), CaloSegment::inL0Segment(currentDepth_));
}
if (segiterator == myGrid.getSegments().end()) {
// Special trick - As advised by Salavat, no leakage should be simulated
if (depth > myGrid.getSegments().back().sL0Exit()) {
segiterator = find_if(myGrid.getSegments().begin(),
myGrid.getSegments().end(),
CaloSegment::inL0Segment(myGrid.getSegments().back().sL0Exit() - 1.));
depth = segiterator->sL0Exit() - 1.;
currentDepth_ = depth;
if (segiterator == myGrid.getSegments().end()) {
std::cout << " Could not go at such depth " << EMSHOWER << " " << currentDepth_ << std::endl;
std::cout << " Track " << *(myGrid.getFSimTrack()) << std::endl;
return false;
}
} else {
std::cout << " Could not go at such depth " << EMSHOWER << " " << currentDepth_ << " "
<< myGrid.getSegments().back().sL0Exit() << std::endl;
std::cout << " Track " << *(myGrid.getFSimTrack()) << std::endl;
return false;
}
}
XYZPoint origin;
if (inCm) {
origin = segiterator->positionAtDepthincm(currentDepth_);
} else {
if (EMSHOWER)
origin = segiterator->positionAtDepthinX0(currentDepth_);
if (HADSHOWER)
origin = segiterator->positionAtDepthinL0(currentDepth_);
}
XYZVector zaxis(0, 0, 1);
XYZVector planeVec1 = (zaxis.Cross(particleDirection)).Unit();
locToGlobal_ = Transform3D(Point(0, 0, 0),
Point(0, 0, 1),
Point(1, 0, 0),
(Point)origin,
(Point)(origin + particleDirection),
(Point)(origin + planeVec1));
return true;
}
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