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#include "Geometry/MTDGeometryBuilder/interface/MTDGeomUtil.h"
#include "Geometry/MTDCommonData/interface/MTDTopologyMode.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
using namespace mtd;
void MTDGeomUtil::setGeometry(const MTDGeometry* geom) { geom_ = geom; }
void MTDGeomUtil::setTopology(const MTDTopology* topo) { topology_ = topo; }
bool MTDGeomUtil::isETL(const DetId& id) const {
MTDDetId hid{id};
const auto& subDet = hid.mtdSubDetector();
if (subDet == 0)
throw cms::Exception("mtd::MTDGeomUtil") << "DetId " << hid.rawId() << " not in MTD!" << std::endl;
if (subDet == MTDDetId::MTDType::ETL)
return true;
return false;
}
bool MTDGeomUtil::isBTL(const DetId& id) const { return !(isETL(id)); }
// row and column set to 0 by default since they are not needed for BTL
std::pair<LocalPoint, GlobalPoint> MTDGeomUtil::position(const DetId& id, int row, int column) const {
LocalPoint local_point(0., 0., 0.);
GlobalPoint global_point(0., 0., 0.);
if (isBTL(id)) {
BTLDetId detId{id};
DetId geoId = detId.geographicalId(MTDTopologyMode::crysLayoutFromTopoMode(topology_->getMTDTopologyMode()));
const MTDGeomDet* thedet = geom_->idToDet(geoId);
if (thedet == nullptr)
throw cms::Exception("mtd::MTDGeomUtil") << "GeographicalID: " << std::hex << geoId.rawId() << " ("
<< detId.rawId() << ") is invalid!" << std::dec << std::endl;
const ProxyMTDTopology& topoproxy = static_cast<const ProxyMTDTopology&>(thedet->topology());
const RectangularMTDTopology& topo = static_cast<const RectangularMTDTopology&>(topoproxy.specificTopology());
local_point = topo.pixelToModuleLocalPoint(local_point, detId.row(topo.nrows()), detId.column(topo.nrows()));
global_point = thedet->toGlobal(local_point);
} else {
ETLDetId detId{id};
DetId geoId = detId.geographicalId();
const MTDGeomDet* thedet = geom_->idToDet(geoId);
if (thedet == nullptr)
throw cms::Exception("mtd::MTDGeomUtil") << "GeographicalID: " << std::hex << geoId.rawId() << " ("
<< detId.rawId() << ") is invalid!" << std::dec << std::endl;
const ProxyMTDTopology& topoproxy = static_cast<const ProxyMTDTopology&>(thedet->topology());
const RectangularMTDTopology& topo = static_cast<const RectangularMTDTopology&>(topoproxy.specificTopology());
local_point = LocalPoint(topo.localX(row), topo.localY(column), 0.);
global_point = thedet->toGlobal(local_point);
}
return {local_point, global_point};
}
GlobalPoint MTDGeomUtil::globalPosition(const DetId& id, const LocalPoint& local_point) const {
auto global_point = GlobalPoint(0., 0., 0.);
if (isBTL(id)) {
BTLDetId detId{id};
DetId geoId = detId.geographicalId(MTDTopologyMode::crysLayoutFromTopoMode(topology_->getMTDTopologyMode()));
const MTDGeomDet* thedet = geom_->idToDet(geoId);
if (thedet == nullptr)
throw cms::Exception("mtd::MTDGeomUtil") << "GeographicalID: " << std::hex << geoId.rawId() << " ("
<< detId.rawId() << ") is invalid!" << std::dec << std::endl;
const ProxyMTDTopology& topoproxy = static_cast<const ProxyMTDTopology&>(thedet->topology());
const RectangularMTDTopology& topo = static_cast<const RectangularMTDTopology&>(topoproxy.specificTopology());
auto local_point_sim =
topo.pixelToModuleLocalPoint(local_point, detId.row(topo.nrows()), detId.column(topo.nrows()));
global_point = thedet->toGlobal(local_point_sim);
} else {
ETLDetId detId{id};
DetId geoId = detId.geographicalId();
const MTDGeomDet* thedet = geom_->idToDet(geoId);
if (thedet == nullptr)
throw cms::Exception("mtd::MTDGeomUtil") << "GeographicalID: " << std::hex << geoId.rawId() << " ("
<< detId.rawId() << ") is invalid!" << std::dec << std::endl;
global_point = thedet->toGlobal(local_point);
}
return global_point;
}
int MTDGeomUtil::zside(const DetId& id) const {
const MTDDetId hid(id);
return hid.zside();
}
unsigned int MTDGeomUtil::layer(const DetId& id) const {
unsigned int layer(0);
if (isETL(id)) {
ETLDetId hid(id);
layer = hid.nDisc();
}
return layer;
}
int MTDGeomUtil::module(const DetId& id) const {
int module = -1;
if (isETL(id)) {
ETLDetId hid(id);
module = hid.module();
} else {
BTLDetId hid(id);
module = hid.module();
}
return module;
}
// returns the local position as a pair (x, y) - for ETL
std::pair<float, float> MTDGeomUtil::pixelInModule(const DetId& id, const int row, const int column) const {
if (isBTL(id))
throw cms::Exception("mtd::MTDGeomUtil")
<< "ID: " << std::hex << id.rawId() << " from BTL. This method is for ETL only." << std::endl;
ETLDetId detId(id);
DetId geoId = detId.geographicalId();
const MTDGeomDet* thedet = geom_->idToDet(geoId);
if (thedet == nullptr)
throw cms::Exception("mtd::MTDGeomUtil") << "GeographicalID: " << std::hex << geoId.rawId() << " (" << detId.rawId()
<< ") is invalid!" << std::dec << std::endl;
const ProxyMTDTopology& topoproxy = static_cast<const ProxyMTDTopology&>(thedet->topology());
const RectangularMTDTopology& topo = static_cast<const RectangularMTDTopology&>(topoproxy.specificTopology());
const Local3DPoint local_point(topo.localX(row), topo.localY(column), 0.);
return topo.pixel(local_point);
}
// returns row and column as a pair (row, col)
std::pair<uint8_t, uint8_t> MTDGeomUtil::pixelInModule(const DetId& id, const LocalPoint& local_point) const {
if (isETL(id)) {
ETLDetId detId(id);
DetId geoId = detId.geographicalId();
const MTDGeomDet* thedet = geom_->idToDet(geoId);
if (thedet == nullptr)
throw cms::Exception("mtd::MTDGeomUtil") << "GeographicalID: " << std::hex << geoId.rawId() << " ("
<< detId.rawId() << ") is invalid!" << std::dec << std::endl;
const ProxyMTDTopology& topoproxy = static_cast<const ProxyMTDTopology&>(thedet->topology());
const RectangularMTDTopology& topo = static_cast<const RectangularMTDTopology&>(topoproxy.specificTopology());
const auto& thepixel = topo.pixelIndex(local_point);
uint8_t row = static_cast<uint8_t>(thepixel.first);
uint8_t col = static_cast<uint8_t>(thepixel.second);
return std::pair<uint8_t, uint8_t>(row, col);
} else {
BTLDetId detId(id);
DetId geoId = detId.geographicalId(MTDTopologyMode::crysLayoutFromTopoMode(topology_->getMTDTopologyMode()));
const MTDGeomDet* thedet = geom_->idToDet(geoId);
if (thedet == nullptr)
throw cms::Exception("mtd::MTDGeomUtil") << "GeographicalID: " << std::hex << geoId.rawId() << " ("
<< detId.rawId() << ") is invalid!" << std::dec << std::endl;
const ProxyMTDTopology& topoproxy = static_cast<const ProxyMTDTopology&>(thedet->topology());
const RectangularMTDTopology& topo = static_cast<const RectangularMTDTopology&>(topoproxy.specificTopology());
auto topo_point = topo.pixelToModuleLocalPoint(local_point, detId.row(topo.nrows()), detId.column(topo.nrows()));
const auto& thepixel = topo.pixelIndex(topo_point);
uint8_t row = static_cast<uint8_t>(thepixel.first);
uint8_t col = static_cast<uint8_t>(thepixel.second);
return std::pair<uint8_t, uint8_t>(row, col);
}
}
int MTDGeomUtil::crystalInModule(const DetId& id) const {
BTLDetId hid(id);
return hid.crystal();
}
// returns the sensor module id
uint32_t MTDGeomUtil::sensorModuleId(const DetId& id) const {
if (isBTL(id)) {
BTLDetId detId(id);
DetId geoId = detId.geographicalId(MTDTopologyMode::crysLayoutFromTopoMode(topology_->getMTDTopologyMode()));
return (geoId.rawId());
} else {
ETLDetId detId(id);
DetId geoId = detId.geographicalId();
return (geoId.rawId());
}
}
float MTDGeomUtil::eta(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 MTDGeomUtil::eta(const DetId& id, const LocalPoint& local_point, const float& vertex_z) const {
GlobalPoint position = globalPosition(id, local_point);
float Eta = eta(position, vertex_z);
return Eta;
}
float MTDGeomUtil::phi(const GlobalPoint& position) const {
float phi = (position.x() == 0 && position.y() == 0) ? 0 : atan2(position.y(), position.x());
return phi;
}
float MTDGeomUtil::phi(const DetId& id, const LocalPoint& local_point) const {
GlobalPoint position = globalPosition(id, local_point);
float phi = (position.x() == 0 && position.y() == 0) ? 0 : atan2(position.y(), position.x());
return phi;
}
float MTDGeomUtil::pt(const GlobalPoint& position, const float& hitEnergy, const float& vertex_z) const {
float Eta = eta(position, vertex_z);
float pt = hitEnergy / cosh(Eta);
return pt;
}
float MTDGeomUtil::pt(const DetId& id,
const LocalPoint& local_point,
const float& hitEnergy,
const float& vertex_z) const {
GlobalPoint position = globalPosition(id, local_point);
float Eta = eta(position, vertex_z);
float pt = hitEnergy / cosh(Eta);
return pt;
}
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