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HGCalTriggerTools.cc
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HGCalTriggerTools.cc
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#include "L1Trigger/L1THGCal/interface/HGCalTriggerTools.h"
#include "L1Trigger/L1THGCal/interface/HGCalTriggerGeometryBase.h"
#include "DataFormats/ForwardDetId/interface/HFNoseDetId.h"
#include "DataFormats/ForwardDetId/interface/HFNoseTriggerDetId.h"
#include "DataFormats/ForwardDetId/interface/HGCalDetId.h"
#include "DataFormats/ForwardDetId/interface/HGCalTriggerDetId.h"
#include "DataFormats/HcalDetId/interface/HcalDetId.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
#include "Geometry/HcalCommonData/interface/HcalHitRelabeller.h"
#include "Geometry/Records/interface/CaloGeometryRecord.h"
#include "SimDataFormats/CaloTest/interface/HGCalTestNumbering.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/EventSetup.h"
namespace {
template <typename DDD>
inline void check_ddd(const DDD* ddd) {
if (nullptr == ddd) {
throw cms::Exception("hgcal::HGCalTriggerTools") << "DDDConstants not accessible to hgcal::HGCalTriggerTools!";
}
}
template <typename GEOM>
inline void check_geom(const GEOM* geom) {
if (nullptr == geom) {
throw cms::Exception("hgcal::HGCalTriggerTools") << "Geometry not provided yet to hgcal::HGCalTriggerTools!";
}
}
} // namespace
void HGCalTriggerTools::eventSetup(const edm::EventSetup& es) {
edm::ESHandle<HGCalTriggerGeometryBase> triggerGeometry_;
es.get<CaloGeometryRecord>().get(triggerGeometry_);
geom_ = triggerGeometry_.product();
eeLayers_ = geom_->eeTopology().dddConstants().layers(true);
fhLayers_ = geom_->fhTopology().dddConstants().layers(true);
if (geom_->isWithNoseGeometry())
noseLayers_ = geom_->noseTopology().dddConstants().layers(true);
if (geom_->isV9Geometry()) {
bhLayers_ = geom_->hscTopology().dddConstants().layers(true);
totalLayers_ = eeLayers_ + fhLayers_;
} else {
bhLayers_ = geom_->bhTopology().dddConstants()->getMaxDepth(1);
totalLayers_ = eeLayers_ + fhLayers_ + bhLayers_;
}
}
GlobalPoint HGCalTriggerTools::getTCPosition(const DetId& id) const {
if (id.det() == DetId::Hcal || id.det() == DetId::HGCalEE) {
throw cms::Exception("hgcal::HGCalTriggerTools") << "method getTCPosition called for DetId not belonging to a TC";
// FIXME: this would actually need a better test...but at the moment I can not think to anything better
// to distinguish a TC detId
}
// FIXME: to do HFNose
GlobalPoint position = geom_->getTriggerCellPosition(id);
return position;
}
unsigned HGCalTriggerTools::layers(ForwardSubdetector type) const {
unsigned layers = 0;
switch (type) {
case ForwardSubdetector::HGCEE:
layers = eeLayers_;
break;
case ForwardSubdetector::HGCHEF:
layers = fhLayers_;
break;
case ForwardSubdetector::HGCHEB:
layers = bhLayers_;
break;
case ForwardSubdetector::HFNose:
layers = noseLayers_;
break;
case ForwardSubdetector::ForwardEmpty:
layers = totalLayers_;
break;
default:
break;
};
return layers;
}
unsigned HGCalTriggerTools::layers(DetId::Detector type) const {
unsigned layers = 0;
switch (type) {
case DetId::HGCalEE:
layers = eeLayers_;
break;
case DetId::HGCalHSi:
layers = fhLayers_;
break;
case DetId::HGCalHSc:
layers = bhLayers_;
break;
// FIXME: to do HFNose
case DetId::Forward:
layers = totalLayers_;
break;
default:
break;
}
return layers;
}
unsigned HGCalTriggerTools::layer(const DetId& id) const {
unsigned int layer = std::numeric_limits<unsigned int>::max();
if (id.det() == DetId::Forward && id.subdetId() != ForwardSubdetector::HFNose) {
layer = HGCalDetId(id).layer();
} else if (id.det() == DetId::Forward && id.subdetId() == ForwardSubdetector::HFNose) {
layer = HFNoseDetId(id).layer();
} else if (id.det() == DetId::Hcal && id.subdetId() == HcalEndcap) {
layer = HcalDetId(id).depth();
} else if (id.det() == DetId::HGCalEE || id.det() == DetId::HGCalHSi) {
layer = HGCSiliconDetId(id).layer();
} else if (id.det() == DetId::HGCalTrigger &&
(HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HGCalEETrigger ||
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HGCalHSiTrigger)) {
layer = HGCalTriggerDetId(id).layer();
} else if (id.det() == DetId::HGCalTrigger &&
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HFNoseTrigger) {
layer = HFNoseTriggerDetId(id).layer();
} else if (id.det() == DetId::HGCalHSc) {
layer = HGCScintillatorDetId(id).layer();
}
return layer;
}
unsigned HGCalTriggerTools::layerWithOffset(const DetId& id) const {
unsigned int l = layer(id);
if (isNose(id)) {
l = layer(id); // no offset for HFnose
} else if (isHad(id) && isSilicon(id)) {
l += eeLayers_;
} else if (isHad(id) && isScintillator(id)) {
if (geom_->isV9Geometry())
l += eeLayers_; // mixed silicon and scintillator layers
else
l += eeLayers_ + fhLayers_;
}
return l;
}
bool HGCalTriggerTools::isEm(const DetId& id) const {
bool em = false;
if (id.det() == DetId::Forward && id.subdetId() != ForwardSubdetector::HFNose) {
em = (id.subdetId() == HGCEE);
} else if (id.det() == DetId::Forward && id.subdetId() == ForwardSubdetector::HFNose) {
em = HFNoseDetId(id).isEE();
} else if (id.det() == DetId::HGCalEE) {
em = true;
} else if (id.det() == DetId::HGCalTrigger &&
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HGCalEETrigger) {
em = true;
} else if (id.det() == DetId::HGCalTrigger &&
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HFNoseTrigger) {
em = HFNoseTriggerDetId(id).isEE();
}
return em;
}
bool HGCalTriggerTools::isNose(const DetId& id) const {
bool nose = false;
if (id.det() == DetId::Forward && id.subdetId() == ForwardSubdetector::HFNose) {
nose = true;
} else if (id.det() == DetId::HGCalTrigger &&
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HFNoseTrigger) {
nose = true;
}
return nose;
}
bool HGCalTriggerTools::isSilicon(const DetId& id) const {
bool silicon = false;
if (id.det() == DetId::Forward) {
silicon = (id.subdetId() != HGCHEB);
} else if (id.det() == DetId::HGCalEE || id.det() == DetId::HGCalHSi) {
silicon = true;
} else if (id.det() == DetId::HGCalTrigger &&
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HFNoseTrigger) {
silicon = true;
} else if (id.det() == DetId::HGCalTrigger &&
(HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HGCalEETrigger ||
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HGCalHSiTrigger)) {
silicon = true;
}
return silicon;
}
HGCalTriggerTools::SubDetectorType HGCalTriggerTools::getSubDetectorType(const DetId& id) const {
SubDetectorType subdet;
if (!isScintillator(id)) {
if (isEm(id))
subdet = HGCalTriggerTools::hgcal_silicon_CEE;
else
subdet = HGCalTriggerTools::hgcal_silicon_CEH;
} else
subdet = HGCalTriggerTools::hgcal_scintillator;
return subdet;
}
int HGCalTriggerTools::zside(const DetId& id) const {
int zside = 0;
if (id.det() == DetId::Forward && id.subdetId() != ForwardSubdetector::HFNose) {
zside = HGCalDetId(id).zside();
} else if (id.det() == DetId::Forward && id.subdetId() == ForwardSubdetector::HFNose) {
zside = HFNoseDetId(id).zside();
} else if (id.det() == DetId::Hcal && id.subdetId() == HcalEndcap) {
zside = HcalDetId(id).zside();
} else if (id.det() == DetId::HGCalEE || id.det() == DetId::HGCalHSi) {
zside = HGCSiliconDetId(id).zside();
} else if (id.det() == DetId::HGCalTrigger &&
(HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HGCalEETrigger ||
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HGCalHSiTrigger)) {
zside = HGCalTriggerDetId(id).zside();
} else if (id.det() == DetId::HGCalTrigger &&
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HFNoseTrigger) {
zside = HFNoseTriggerDetId(id).zside();
} else if (id.det() == DetId::HGCalHSc) {
zside = HGCScintillatorDetId(id).zside();
}
return zside;
}
int HGCalTriggerTools::thicknessIndex(const DetId& id, bool tc) const {
if (isScintillator(id)) {
throw cms::Exception("IncompatibleDetId") << "Trying to get the sensor thickness of a scintillator detid";
}
unsigned det = id.det();
int thickness = 0;
// For the v8 detid scheme
if (det == DetId::Forward && id.subdetId() != ForwardSubdetector::HFNose) {
if (!tc)
thickness = sensorCellThicknessV8(id);
else {
// For the old geometry, TCs can contain sensor cells
// with different thicknesses.
// Use a majority logic to find the TC thickness
std::array<unsigned, 3> occurences = {{0, 0, 0}};
for (const auto& c_id : geom_->getCellsFromTriggerCell(id)) {
unsigned c_det = DetId(c_id).det();
int c_thickness = -1;
// For the v8 detid scheme
if (c_det == DetId::Forward) {
c_thickness = sensorCellThicknessV8(c_id);
} else {
c_thickness = HGCSiliconDetId(c_id).type();
}
if (c_thickness < 0 || unsigned(c_thickness) >= occurences.size()) {
throw cms::Exception("OutOfBound") << "Found thickness index = " << c_thickness;
}
occurences[c_thickness]++;
}
thickness = std::max_element(occurences.begin(), occurences.end()) - occurences.begin();
}
}
// For the v9 detid scheme
else if (det == DetId::HGCalEE || det == DetId::HGCalHSi) {
thickness = HGCSiliconDetId(id).type();
} else if (det == DetId::Forward && id.subdetId() == ForwardSubdetector::HFNose) {
thickness = HFNoseDetId(id).type();
} else if (id.det() == DetId::HGCalTrigger &&
(HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HGCalEETrigger ||
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HGCalHSiTrigger)) {
thickness = HGCalTriggerDetId(id).type();
} else if (id.det() == DetId::HGCalTrigger &&
HGCalTriggerDetId(id).subdet() == HGCalTriggerSubdetector::HFNoseTrigger) {
thickness = HFNoseTriggerDetId(id).type();
}
return thickness;
}
float HGCalTriggerTools::getEta(const GlobalPoint& position, const float& vertex_z) const {
GlobalPoint corrected_position = GlobalPoint(position.x(), position.y(), position.z() - vertex_z);
return corrected_position.eta();
}
float HGCalTriggerTools::getTCEta(const DetId& id, const float& vertex_z) const {
GlobalPoint position = getTCPosition(id);
return getEta(position, vertex_z);
}
float HGCalTriggerTools::getPhi(const GlobalPoint& position) const {
float phi = atan2(position.y(), position.x());
return phi;
}
float HGCalTriggerTools::getTCPhi(const DetId& id) const {
GlobalPoint position = getTCPosition(id);
return getPhi(position);
}
float HGCalTriggerTools::getPt(const GlobalPoint& position, const float& hitEnergy, const float& vertex_z) const {
float eta = getEta(position, vertex_z);
float pt = hitEnergy / cosh(eta);
return pt;
}
float HGCalTriggerTools::getTCPt(const DetId& id, const float& hitEnergy, const float& vertex_z) const {
GlobalPoint position = getTCPosition(id);
return getPt(position, hitEnergy, vertex_z);
}
float HGCalTriggerTools::getLayerZ(const unsigned& layerWithOffset) const {
int subdet = ForwardSubdetector::HGCEE;
unsigned offset = 0;
if (layerWithOffset > lastLayerEE() && layerWithOffset <= lastLayerFH()) {
subdet = ForwardSubdetector::HGCHEF;
offset = lastLayerEE();
} else if (layerWithOffset > lastLayerFH()) {
subdet = HcalSubdetector::HcalEndcap;
offset = lastLayerFH();
}
// note for HFnose offset is always zero since we have less layers than HGCEE
return getLayerZ(subdet, layerWithOffset - offset);
}
float HGCalTriggerTools::getLayerZ(const int& subdet, const unsigned& layer) const {
float layerGlobalZ = 0.;
if ((subdet == ForwardSubdetector::HGCEE) || (subdet == DetId::HGCalEE)) {
layerGlobalZ = geom_->eeTopology().dddConstants().waferZ(layer, true);
} else if ((subdet == ForwardSubdetector::HGCHEF) || (subdet == DetId::HGCalHSi)) {
layerGlobalZ = geom_->fhTopology().dddConstants().waferZ(layer, true);
} else if (subdet == ForwardSubdetector::HFNose) {
layerGlobalZ = geom_->noseTopology().dddConstants().waferZ(layer, true);
} else if ((subdet == HcalSubdetector::HcalEndcap) || (subdet == ForwardSubdetector::HGCHEB) ||
(subdet == DetId::HGCalHSc)) {
if (geom_->isV9Geometry()) {
layerGlobalZ = geom_->hscTopology().dddConstants().waferZ(layer, true);
} else {
layerGlobalZ = geom_->bhTopology().dddConstants()->getRZ(
HcalSubdetector::HcalEndcap, geom_->bhTopology().dddConstants()->getEtaRange(1).second, layer);
}
}
return layerGlobalZ;
}
DetId HGCalTriggerTools::simToReco(const DetId& simid, const HGCalTopology& topo) const {
DetId recoid(0);
const auto& dddConst = topo.dddConstants();
// V9
if (dddConst.geomMode() == HGCalGeometryMode::Hexagon8 || dddConst.geomMode() == HGCalGeometryMode::Hexagon8Full ||
dddConst.geomMode() == HGCalGeometryMode::Trapezoid) {
recoid = simid;
}
// V8
else {
int subdet(simid.subdetId());
int layer = 0, cell = 0, sec = 0, subsec = 0, zp = 0;
HGCalTestNumbering::unpackHexagonIndex(simid, subdet, zp, layer, sec, subsec, cell);
// sec is wafer and subsec is celltype
// skip this hit if after ganging it is not valid
auto recoLayerCell = dddConst.simToReco(cell, layer, sec, topo.detectorType());
cell = recoLayerCell.first;
layer = recoLayerCell.second;
if (layer >= 0 && cell >= 0) {
recoid = HGCalDetId((ForwardSubdetector)subdet, zp, layer, subsec, sec, cell);
}
}
return recoid;
}
DetId HGCalTriggerTools::simToReco(const DetId& simid, const HcalTopology& topo) const {
DetId recoid(0);
const auto& dddConst = topo.dddConstants();
HcalDetId id = HcalHitRelabeller::relabel(simid, dddConst);
if (id.subdet() == int(HcalEndcap))
recoid = id;
return recoid;
}
int HGCalTriggerTools::sensorCellThicknessV8(const DetId& id) const {
int thickness = 0;
switch (id.subdetId()) {
case ForwardSubdetector::HGCEE:
thickness = geom_->eeTopology().dddConstants().waferTypeL(HGCalDetId(id).wafer()) - 1;
break;
case ForwardSubdetector::HGCHEF:
thickness = geom_->fhTopology().dddConstants().waferTypeL(HGCalDetId(id).wafer()) - 1;
break;
default:
break;
};
return thickness;
}