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#include "kaldet/CEPCITKEndcapKalDetector.h"
#include "kaldet/MaterialDataBase.h"
#include <sstream>
#include "DetInterface/IGeomSvc.h"
#include "DD4hep/Detector.h"
#include "DD4hep/DD4hepUnits.h"
#include "DDSegmentation/BitField64.h"
#include "DetIdentifier/CEPCConf.h"
#include "gear/GEAR.h"
#include "gear/BField.h"
#include "gearimpl/Util.h"
#include "kaldet/ILDSegmentedDiscMeasLayer.h"
#include "kaldet/ILDDiscMeasLayer.h"
#include "streamlog/streamlog.h"
#include "CLHEP/Units/SystemOfUnits.h"
#include "TVector3.h"
CEPCITKEndcapKalDetector::CEPCITKEndcapKalDetector( const gear::GearMgr& gearMgr, IGeomSvc* geoSvc ) :
TVKalDetector(300) {
streamlog_out(DEBUG1) << "CEPCITKEndcapKalDetector building ITKEndcap detector using GEAR " << std::endl;
MaterialDataBase::Instance().registerForService(gearMgr, geoSvc);
if(geoSvc){
setupGearGeom(geoSvc);
}
else{
setupGearGeom(gearMgr);
}
this->build();
SetOwner();
}
void CEPCITKEndcapKalDetector::build() {
streamlog_out(DEBUG) << "CEPCITKEndcapKalDetector::build " << std::endl;
double eps = 1e-9;
int ndisks = _disksData.layers.size();
for (int idisk = 0; idisk < ndisks; idisk++) {
streamlog_out(DEBUG) << "CEPCITKEndcapKalDetector::build disk " << idisk << std::endl;
auto& disk = _disksData.layers[idisk];
auto& rings = disk.rings;
double alphaPetal = disk.alphaPetal;
double zPosition = disk.zPosition;
double zOffset = disk.zOffsetSupport;
double rminSupport = disk.rminSupport;
double rmaxSupport = disk.rmaxSupport;
double thicknessSupport = disk.thicknessSupport;
int nrings = rings.size();
for (int iring = 0; iring < nrings; iring++) {
auto& ring = rings[iring];
int npetals = ring.petalNumber;
double phi0 = ring.phi0;
double distance = ring.distance;
double widthInner = ring.widthInner;
double widthOuter = ring.widthOuter;
double length = ring.length;
int nsegments = npetals/2;
this->create_segmented_disk_layers(idisk, iring, nsegments, true, phi0, zPosition);
this->create_segmented_disk_layers(idisk, iring, nsegments, true, phi0, -zPosition);
// odd segements
// update phi0 by the angular distance of one petal
phi0 -= 2.0 * M_PI / npetals;
this->create_segmented_disk_layers(idisk, iring, nsegments, false, phi0, zPosition);
this->create_segmented_disk_layers(idisk, iring, nsegments, false, phi0, -zPosition);
}
TMaterial& air = *MaterialDataBase::Instance().getMaterial("air");
TMaterial& support = *MaterialDataBase::Instance().getMaterial("ITKEndcapSupportMaterial");
Bool_t dummy = false;
double z0 = zPosition - 0.5*thicknessSupport + eps;
streamlog_out(DEBUG) << "CEPCITKEndcapKalDetector::create air support disk at " << z0 << " sort_policy = " << fabs(z0) << std::endl;
TVector3 xc0_fwd(0.0, 0.0, z0);
TVector3 normal0_fwd(xc0_fwd);
normal0_fwd.SetMag(1.0);
Add(new ILDDiscMeasLayer(air, support, xc0_fwd, normal0_fwd, _bZ, fabs(z0), rminSupport, rmaxSupport, dummy, -1, "ITKEAirSupportDiscPositiveZ"));
TVector3 xc0_bwd(0.0, 0.0, -z0);
TVector3 normal0_bwd(xc0_bwd);
normal0_bwd.SetMag(1.0);
Add(new ILDDiscMeasLayer(support, air, xc0_bwd, normal0_bwd, _bZ, fabs(z0), rminSupport, rmaxSupport, dummy, -1, "ITKEAirSupportDiscNegativeZ"));
double z1 = zPosition + 0.5*thicknessSupport - eps;
TVector3 xc1_fwd(0.0, 0.0, z1);
TVector3 normal1_fwd(xc1_fwd);
normal1_fwd.SetMag(1.0);
Add(new ILDDiscMeasLayer(air, support, xc1_fwd, normal1_fwd, _bZ, fabs(z1), rminSupport, rmaxSupport, dummy, -1, "ITKESupportAirDiscPositiveZ"));
TVector3 xc1_bwd(0.0, 0.0, -z1);
TVector3 normal1_bwd(xc1_bwd);
normal1_bwd.SetMag(1.0);
Add(new ILDDiscMeasLayer(support, air, xc1_bwd, normal1_bwd, _bZ, fabs(z1), rminSupport, rmaxSupport, dummy, -1, "ITKESupportAirDiscNegativeZ"));
}
}
void CEPCITKEndcapKalDetector::create_segmented_disk_layers(int idisk, int iring, int nsegments, bool even_petals, double phi0, double zpos) {
streamlog_out(DEBUG1) << "create_segmented_disk_layers idisk = " << idisk << " iring = " << iring << " nsegments = " << nsegments
<< " even = " << even_petals << " zpos = " << zpos << std::endl;
Bool_t active = true;
Bool_t dummy = false;
TMaterial& air = *MaterialDataBase::Instance().getMaterial("air");
TMaterial& silicon = *MaterialDataBase::Instance().getMaterial("silicon");
TMaterial& service = *MaterialDataBase::Instance().getMaterial("ITKEndcapServiceMaterial");
TMaterial& glue = *MaterialDataBase::Instance().getMaterial("ITKEndcapGlueMaterial");
int zsign = zpos > 0 ? 1 : -1;
int start_index = even_petals ? 0 : 1;
dd4hep::DDSegmentation::BitField64 encoder("system:5,side:-2,layer:9,module:8,sensor:8");
encoder.reset();
encoder[CEPCConf::DetCellID::system] = CEPCConf::DetID::ITKEndcap;
encoder[CEPCConf::DetCellID::side] = zsign;
encoder[CEPCConf::DetCellID::layer] = idisk;
encoder[CEPCConf::DetCellID::sensor] = iring;
std::vector<int> module_ids;
for (int i = 0; i < nsegments; i++) {
encoder[CEPCConf::DetCellID::module] = even_petals ? 2*i : 2*i+1;
module_ids.push_back(encoder.lowWord());
}
// create segmented disk
double eps1 = 1.0e-04; // ring
double eps2 = 1.0e-05; // odd or even
double eps3 = 1.0e-06; // layer in disk
double eps4 = 1.0e-08; // forward or backwards
//double sort_policy = fabs(z);
//double sort_policy = rInner+height + eps1 * idisk + eps3 * 1 ;
double sort_policy = eps1 * iring;
if (!even_petals) sort_policy += eps2;
if (zpos < 0) sort_policy += eps4;
double tSupport = _disksData.layers[idisk].thicknessSupport;
double tSensitive = _disksData.layers[idisk].rings[iring].thicknessSensitive;
double tGlue = _disksData.layers[idisk].rings[iring].thicknessGlue;
double tService = _disksData.layers[idisk].rings[iring].thicknessService;
double rInner = _disksData.layers[idisk].rings[iring].distance;
double height = _disksData.layers[idisk].rings[iring].length;
double widthInner = _disksData.layers[idisk].rings[iring].widthInner;
double widthOuter = _disksData.layers[idisk].rings[iring].widthOuter;
double tFront = even_petals ? tService : tGlue;
double tRear = even_petals ? tGlue : tService;
TMaterial& front = even_petals ? service : glue;
TMaterial& rear = even_petals ? glue : service;
double z = even_petals ? zpos - zsign*(0.5*tSupport + tRear + tSensitive + tFront) : zpos + zsign*(0.5*tSupport);
streamlog_out(DEBUG1) << "CEPCITKEndcapKalDetector::create_segmented_disk add front face of sensitive at " << z << " sort_policy = " << fabs(z)+sort_policy << std::endl;
const char *name1 = z > 0 ? "ITKEFrontFacePositiveZ" : "ITKEFrontFaceNegativeZ";
Add(new ILDSegmentedDiscMeasLayer(air, front, _bZ, fabs(z)+sort_policy, nsegments, z, phi0, rInner, height, widthInner, widthOuter, dummy, name1));
z += zsign*tFront;
const char *name2 = z > 0 ? "ITKEFrontPositiveZ" : "ITKEFrontNegativeZ";
Add(new ILDSegmentedDiscMeasLayer(front, silicon, _bZ, fabs(z)+sort_policy, nsegments, z, phi0, rInner, height, widthInner, widthOuter, dummy, name2));
z += zsign*0.5*tSensitive;
const char *name3 = z > 0 ? "ITKESenPositiveZ" : "ITKESenNegativeZ";
Add( new ILDSegmentedDiscMeasLayer(silicon, silicon, _bZ, fabs(z)+sort_policy, nsegments, z, phi0, rInner, height, widthInner, widthOuter, active, module_ids, name3));
z += zsign*0.5*tSensitive;
const char *name4 = z > 0 ? "ITKERearPositiveZ" : "ITKERearNegativeZ";
Add( new ILDSegmentedDiscMeasLayer(silicon, rear, _bZ, fabs(z)+sort_policy, nsegments, z, phi0, rInner, height, widthInner, widthOuter, dummy, name4));
z += zsign*tRear;
const char *name5 = z > 0 ? "ITKERearFacePositiveZ" : "ITKERearFaceNegativeZ";
Add(new ILDSegmentedDiscMeasLayer(rear, air, _bZ, fabs(z)+sort_policy, nsegments, z, phi0, rInner, height, widthInner, widthOuter, dummy, name5));
}
void CEPCITKEndcapKalDetector::setupGearGeom(const gear::GearMgr& gearMgr) {
const gear::GearParameters& params = gearMgr.getGearParameters("ITKEndcapParameters");
streamlog_out(DEBUG) << params << std::endl;
_bZ = gearMgr.getBField().at(gear::Vector3D(0.,0.,0.)).z();
try {
std::vector<double> alphas = params.getDoubleVals("AlphaPetals");
std::vector<double> zpositions = params.getDoubleVals("ZPositions");
std::vector<double> zoffsets = params.getDoubleVals("ZOffsetSupport");
std::vector<double> rminSups = params.getDoubleVals("RMinSupports");
std::vector<double> rmaxSups = params.getDoubleVals("RMaxSupports");
std::vector<double> tSupports = params.getDoubleVals("ThicknessSupports");
std::vector<double> tSensitives = params.getDoubleVals("ThicknessSensitives");
std::vector<double> tGlues = params.getDoubleVals("ThicknessGlues");
std::vector<double> tServices = params.getDoubleVals("ThicknessServices");
std::vector<std::string> petalParNames = params.getStringVals("PetalNumberNames");
std::vector<std::string> phi0ParNames = params.getStringVals("PetalPhi0Names");
std::vector<std::string> distanceParNames = params.getStringVals("PetalDistanceNames");
std::vector<std::string> widthInnerParNames = params.getStringVals("PetalInnerWidthNames");
std::vector<std::string> widthOuterParNames = params.getStringVals("PetalOuterWidthNames");
std::vector<std::string> lengthParNames = params.getStringVals("PetalLengthNames");
for (int idisk = 0, N = alphas.size(); idisk < N; idisk++) {
dd4hep::rec::MultiRingsZDiskData::LayerLayout disk;// = _disksData.layers[idisk];
disk.alphaPetal = alphas[idisk];
disk.zPosition = zpositions[idisk];
disk.zOffsetSupport = zoffsets[idisk];
disk.rminSupport = rminSups[idisk];
disk.rmaxSupport = rmaxSups[idisk];
disk.thicknessSupport = tSupports[idisk];
//std::string petalParName = petalParNames[idisk];
//std::string phi0ParName = phi0ParNames[idisk];
//std::string distanceParName = distanceParNames[idisk];
//std::string widthInnerParName = widthInnerParNames[idisk];
//std::string widthOuterParName = widthOuterParNames[idisk];
//std::string lengthParName = lengthParNames[idisk];
std::vector<int> petals = params.getIntVals(petalParNames[idisk]);
std::vector<double> phi0s = params.getDoubleVals(phi0ParNames[idisk]);
std::vector<double> distances = params.getDoubleVals(distanceParNames[idisk]);
std::vector<double> widthInners = params.getDoubleVals(widthInnerParNames[idisk]);
std::vector<double> widthOuters = params.getDoubleVals(widthOuterParNames[idisk]);
std::vector<double> lengths = params.getDoubleVals(lengthParNames[idisk]);
int nrings = petals.size();
for (int iring = 0; iring < nrings; iring++) {
dd4hep::rec::MultiRingsZDiskData::Ring ring;
ring.petalNumber = petals[iring];
ring.phi0 = phi0s[iring];
ring.distance = distances[iring];
ring.widthInner = widthInners[iring];
ring.widthOuter = widthOuters[iring];
ring.length = lengths[iring];
ring.thicknessSensitive = tSensitives[idisk];
ring.thicknessGlue = tGlues[idisk];
ring.thicknessService = tServices[idisk];
disk.rings.push_back(ring);
}
_disksData.layers.push_back(disk);
}
} catch (gear::UnknownParameterException& e) {
std::cout << e.what() << std::endl;
}
streamlog_out(DEBUG) << _disksData << std::endl;
}
void CEPCITKEndcapKalDetector::setupGearGeom(IGeomSvc* geoSvc) {
std::cout << "CEPCITKEndcapKalDetector::setupGearGeom(IGeomSvc* geoSvc) TODO" << std::endl;
exit(1);
}