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/*
Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
Johannes Junggeburth
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*/
#include "MuonReadoutGeomCnvAlg.h"
#include <StoreGate/WriteCondHandle.h>
#include <StoreGate/ReadCondHandle.h>
#include <GeoModelKernel/GeoFullPhysVol.h>
#include <MuonReadoutGeometryR4/MdtReadoutElement.h>
#include <MuonStationGeoHelpers/MuonChamber.h>
#include <MuonAlignmentDataR4/MdtAlignmentStore.h>
#include <MuonReadoutGeometry/MuonStation.h>
#include <MuonReadoutGeometry/MdtReadoutElement.h>
#include <AthenaKernel/IOVInfiniteRange.h>
#include <map>
namespace {
Amg::Transform3D readOutToStation(const GeoVFullPhysVol* readOutVol) {
return readOutVol->getAbsoluteTransform().inverse() *
readOutVol->getParent()->getX();
}
}
MuonReadoutGeomCnvAlg::MuonReadoutGeomCnvAlg(const std::string& name, ISvcLocator* pSvcLocator):
AthReentrantAlgorithm{name, pSvcLocator} {}
StatusCode MuonReadoutGeomCnvAlg::initialize() {
ATH_CHECK(m_idHelperSvc.retrieve());
ATH_CHECK(m_writeKey.initialize());
ATH_CHECK(m_geoCtxKey.initialize());
ATH_CHECK(m_surfaceProvTool.retrieve());
ATH_CHECK(detStore()->retrieve(m_detMgr));
return StatusCode::SUCCESS;
}
StatusCode MuonReadoutGeomCnvAlg::execute(const EventContext& ctx) const {
SG::WriteCondHandle<MuonGM::MuonDetectorManager> writeHandle{m_writeKey, ctx};
if (writeHandle.isValid()) {
ATH_MSG_DEBUG("The current readout geometry is still valid.");
return StatusCode::SUCCESS;
}
SG::ReadCondHandle<ActsGeometryContext> geoContext{m_geoCtxKey, ctx};
if (!geoContext.isValid()) {
ATH_MSG_FATAL("Failed to retrieve "<<m_geoCtxKey.fullKey());
return StatusCode::FAILURE;
}
writeHandle.addDependency(IOVInfiniteRange::infiniteRunLB());
writeHandle.addDependency(geoContext);
std::unique_ptr<MuonGM::MuonDetectorManager> detMgr = std::make_unique<MuonGM::MuonDetectorManager>();
PVLink world{new GeoFullPhysVol(nullptr)};
detMgr->addTreeTop(world);
ATH_CHECK(buildMdt(**geoContext, detMgr.get(), world));
ATH_CHECK(writeHandle.record(std::move(detMgr)));
return StatusCode::SUCCESS;
}
StatusCode MuonReadoutGeomCnvAlg::buildMdt(const ActsGeometryContext& gctx,
MuonGM::MuonDetectorManager* mgr,
PVLink world) const {
/// Access the B-Line and As-built parameters
using SubDetAlignments = ActsGeometryContext::SubDetAlignments;
SubDetAlignments::const_iterator alignItr = gctx.alignmentStores.find(ActsTrk::DetectorType::Mdt);
const MdtAlignmentStore* alignStore = alignItr != gctx.alignmentStores.end() ?
static_cast<const MdtAlignmentStore*>(alignItr->second.get()) : nullptr;
const std::vector<const MuonGMR4::MdtReadoutElement*> mdtReadOuts{m_detMgr->getAllMdtReadoutElements()};
ATH_MSG_INFO("Copy "<<mdtReadOuts.size()<<" Mdt readout elements to the legacy system");
for (const MuonGMR4::MdtReadoutElement* copyMe : mdtReadOuts) {
const Identifier reId = copyMe->identify();
/// Retrieve the full phyiscal volume
const GeoVFullPhysVol* readOutVol = copyMe->getMaterialGeom();
const std::string stName{m_idHelperSvc->stationNameString(reId)};
MuonGM::MuonStation* station = mgr->getMuonStation(stName, m_idHelperSvc->stationEta(reId), m_idHelperSvc->stationPhi(reId));
if (!station) {
const MuonGMR4::MuonChamber* chamber = m_surfaceProvTool->getChamber(reId);
Johannes Junggeburth
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if (!chamber) {
ATH_MSG_FATAL("No chamber is available for "<<m_idHelperSvc->toStringDetEl(reId));
return StatusCode::FAILURE;
}
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std::unique_ptr<MuonGM::MuonStation> newStation = std::make_unique<MuonGM::MuonStation>(stName,
chamber->halfXShort(), /// S-size
chamber->halfY(), /// R-size
chamber->halfZ(), /// Z-size
chamber->halfXLong(), /// S-size (long)
chamber->halfY(), /// R-size (long)
chamber->halfZ(), /// Z-size (long)
m_idHelperSvc->stationEta(reId),
m_idHelperSvc->stationPhi(reId),
false);
station = newStation.get();
mgr->addMuonStation(std::move(newStation));
PVConstLink parentVolume = readOutVol->getParent();
/// Construct the aligned station transformation
const Amg::Transform3D stationTransform = copyMe->localToGlobalTrans(gctx) *
readOutToStation(readOutVol);
/// Assign the new phyiscal volume for the muon station
PVLink parentPhysVol{new GeoFullPhysVol(parentVolume->getLogVol())};
world->add(new GeoTransform(stationTransform));
world->add(parentPhysVol.operator->());
station->setPhysVol(parentPhysVol);
}
const MuonGMR4::MdtReadoutElement::parameterBook& pars{copyMe->getParameters()};
// cppcheck-suppress invalidLifetime; ok: mgr took ownership.
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PVLink parentPhysVol{station->getPhysVol()};
GeoFullPhysVol* physVol{new GeoFullPhysVol(readOutVol->getLogVol())};
parentPhysVol->add(new GeoTransform(readOutToStation(readOutVol).inverse()));
parentPhysVol->add(physVol);
std::unique_ptr<MuonGM::MdtReadoutElement> newElement = std::make_unique<MuonGM::MdtReadoutElement>(physVol, stName, mgr);
newElement->setIdentifier(reId);
// cppcheck-suppress invalidLifetime; ok: mgr took ownership.
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newElement->setParentMuonStation(station);
/// Define the dimensions
newElement->setLongRsize(2*pars.halfY);
newElement->setLongSsize(2*pars.longHalfX);
newElement->setLongZsize(2*pars.halfHeight);
newElement->setRsize(2*pars.halfY);
newElement->setSsize(2*pars.shortHalfX);
newElement->setZsize(2*pars.halfHeight);
newElement->m_nlayers = copyMe->numLayers();
newElement->m_ntubesperlayer = copyMe->numTubesInLay();
newElement->m_deadlength = pars.deadLength;
newElement->m_innerRadius = pars.tubeInnerRad;
newElement->m_tubeWallThickness = pars.tubeWall;
newElement->m_tubepitch = pars.tubePitch;
/// Need to check how to obtain this parameter from the new geometry
/// newElement->m_cutoutShift;
/// Determine the tube length's
const MuonGMR4::MdtTubeLayer& tubeLay{pars.tubeLayers[0]};
unsigned int step{0};
double lastLength{2.*tubeLay.tubeHalfLength(1)};
for (unsigned tube = 0; tube < copyMe->numTubesInLay(); ++tube) {
const double currLength = 2.*tubeLay.tubeHalfLength(tube);
if (std::abs(lastLength - currLength) > std::numeric_limits<float>::epsilon() ||
tube == copyMe->numTubesInLay() -1) {
newElement->m_tubelength[step] = lastLength;
if (step == 0) newElement->m_ntubesinastep = tube -1;
lastLength = currLength;
++step;
}
}
newElement->m_nsteps = step;
/// Define the tube staggering
const Amg::Transform3D& globToLoc{copyMe->globalToLocalTrans(gctx)};
double xOffSet{pars.halfY}, yOffSet{pars.halfHeight};
if (newElement->barrel()) std::swap(xOffSet, yOffSet);
for (unsigned lay = 1; lay <= copyMe->numLayers(); ++lay) {
const IdentifierHash tubeHash{copyMe->measurementHash(lay, 1)};
const Amg::Vector3D locTube = globToLoc * copyMe->globalTubePos(gctx, tubeHash);
newElement->m_firstwire_x[lay-1] = locTube.z() + xOffSet;
newElement->m_firstwire_y[lay-1] = locTube.x() + yOffSet;
}
MdtAlignmentStore::chamberDistortions distort = alignStore ? alignStore->getDistortion(reId) :
MdtAlignmentStore::chamberDistortions{};
newElement->setBLinePar(distort.bLine);
station->setMdtAsBuiltParams(distort.asBuilt);
newElement->geoInitDone();
newElement->fillCache();
newElement->fillBLineCache();
/// Add the readout element to the manager
if (msgLvl(MSG::DEBUG)) {
ATH_MSG_ALWAYS("Detector element "<<m_idHelperSvc->toString(copyMe->identify())
<<std::endl<<station->getPhysVol()->getNChildVols()<<" "<<(station->getPhysVol().operator->())
<<std::endl<<Amg::toString(copyMe->localToGlobalTrans(gctx))
<<std::endl<<Amg::toString(newElement->getMaterialGeom()->getAbsoluteTransform())
<<std::endl<<"r-size: "<<newElement->getRsize()<<"/"<<newElement->getLongRsize()
<<" s-size: "<<newElement->getSsize()<<"/"<<newElement->getLongSsize()
<<" z-size: "<<newElement->getZsize()<<"/"<<newElement->getLongZsize());
for (unsigned int lay = 1; lay <= copyMe->numLayers(); ++lay){
for (unsigned int tube = 1; tube <= copyMe->numTubesInLay(); ++tube) {
const IdentifierHash tubeHash {copyMe->measurementHash(lay,tube)};
ATH_MSG_ALWAYS("Tube positions layer: "<<lay<<", tube: "<<tube
<<std::endl<<"reference: "<<Amg::toString(copyMe->globalTubePos(gctx, tubeHash))
<<std::endl<<"test: "<<Amg::toString(newElement->tubePos(lay, tube)));
}
}
}
mgr->addMdtReadoutElement(std::move(newElement));
}
return StatusCode::SUCCESS;
}