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[ALICE3] Update track summary file reference in translator #14150

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njacazio merged 1 commit into from
Dec 9, 2025
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[ALICE3] Update track summary file reference in translator #14150

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130 changes: 78 additions & 52 deletions ALICE3/TableProducer/alice3TrackingTranslator.cxx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

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[o2-workflow-options] 

Do not use workflow options to customise workflow topology composition in defineDataProcessing. Use process function switches or metadata instead.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand Down Expand Up @@ -84,7 +84,7 @@
FileStruct(std::string filename, std::string treename) : mFile(filename.c_str(), "READ")
{
if (mFile.IsZombie()) {
LOG(fatal) << "Could not open file " << filename;
LOG(fatal) << "Could not open file '" << filename << "'";
}
mFile.GetObject(treename.c_str(), mTree);
if (mTree) {
Expand Down Expand Up @@ -164,6 +164,7 @@
SETADDRESS("t_phi", m_t_phi);
SETADDRESS("t_pT", m_t_pT);
SETADDRESS("t_eta", m_t_eta);
SETADDRESS("majorityParticlePDG", m_majorityParticlePDG);
}
// Define track-related members here
UInt_t* m_event_nr = nullptr;
Expand Down Expand Up @@ -195,6 +196,8 @@
std::vector<float>* m_t_phi = nullptr; /// Initial momenta phi of majority particle
std::vector<float>* m_t_pT = nullptr; /// Initial momenta pT of majority particle
std::vector<float>* m_t_eta = nullptr; /// Initial momenta eta of majority particle

std::vector<int>* m_majorityParticlePDG = nullptr; // IA
};

struct HitsStruct : public FileStruct {
Expand All @@ -211,19 +214,24 @@
LOG(info) << "Alice3TrackingTranslator process called";
// Find all ROOT files in the folder
std::vector<std::string> rootFiles;
LOG(info) << "Reading input files from path: " << inputPath.Data();
TSystemDirectory dir(inputPath.Data(), inputPath.Data());
TList* filesList = dir.GetListOfFiles();
if (filesList) {
TIter next(filesList);
TSystemFile* file;
while ((file = static_cast<TSystemFile*>(next()))) {
TString fname = file->GetName();
LOG(debug) << "Found file: " << fname.Data();
if (!file->IsDirectory() && fname.EndsWith(".root")) {
TString fullPath = TString::Format("%s/%s", inputPath.Data(), fname.Data());
LOG(info) << "Adding file: " << fullPath.Data();
rootFiles.push_back(fullPath.Data());
}
}
delete filesList;
} else {
LOG(fatal) << "Could not open directory: " << inputPath.Data();
}
// Open all found ROOT files
std::map<std::string, std::string> files;
Expand All @@ -239,7 +247,7 @@
// Now open the files to translate and read the trees
ParticleStruct fileParticles(files["particles_simulation.root"], "particles");
// FileStruct fileVertices(files["performance_vertexing.root"], "vertexing");
TrackStruct fileTracksummary(files["tracksummary_ckf.root"], "tracksummary");
TrackStruct fileTracksummary(files["tracksummary_ambi.root"], "tracksummary");
// HitsStruct fileHits(files["hits.root"], "hits");

const Long64_t kEvents = fileParticles.getEntries();
Expand Down Expand Up @@ -281,41 +289,18 @@
// Fill MC particles
int mothers[2] = {-1, -1};
int daughters[2] = {-1, -1};
const size_t nParticlesGen = fileParticles.m_vx->size();
for (size_t iParticle = 0; iParticle < nParticlesGen; ++iParticle) {
continue;
if (iParticle == 0) {
tableMcCollisions(0, // mccollision::BCId,
0, // mccollision::GeneratorsID,
fileParticles.m_vx->at(iParticle), // mccollision::PosX,
fileParticles.m_vy->at(iParticle), // mccollision::PosY,
fileParticles.m_vz->at(iParticle), // mccollision::PosZ
fileParticles.m_vt->at(iParticle), // mccollision::T
1.0f, // mccollision::Weight
0.0f, // mccollision::ImpactParameter,
0.f); // mccollision::EventPlaneAngle,
}

uint8_t flags = 0;
flags |= o2::aod::mcparticle::enums::PhysicalPrimary;
tableStoredMcParticles(tableMcCollisions.lastIndex(), // mcCollisionId
fileParticles.m_particle_type->at(iParticle), // pdgCode
0, // statusCode
flags, // flags
mothers, // mothersIds
daughters, // daughtersIdSlice
1.0f, // weight
fileParticles.m_px->at(iParticle), // m_px
fileParticles.m_py->at(iParticle), // m_py
fileParticles.m_pz->at(iParticle), // m_pz
std::hypot(fileParticles.m_p->at(iParticle), fileParticles.m_m->at(iParticle)), // e
fileParticles.m_vx->at(iParticle), // m_vx
fileParticles.m_vy->at(iParticle), // m_vy
fileParticles.m_vz->at(iParticle), // m_vz
fileParticles.m_vt->at(iParticle)); // m_vt
}

struct addedParticle {
float px;
float py;
float pz;
float vx;
float vy;
float vz;
};
std::map<int, std::vector<addedParticle>> addedParticles;
// Convert tracks from ACTS to ALICE format
const size_t nParticlesGen = fileParticles.m_vx->size();
const size_t nParticles = fileTracksummary.m_t_vx->size();
const size_t nTracks = fileTracksummary.m_eLOC0_fit->size();
for (size_t iTrack = 0; iTrack < nTracks; ++iTrack) {
Expand All @@ -335,23 +320,27 @@
uint8_t flags = 0;
flags |= o2::aod::mcparticle::enums::PhysicalPrimary;

// fileTracksummary.m_majorityParticleId->at(iParticle).at(2), // pdgCode
const size_t iParticleGen = fileTracksummary.m_majorityParticleId->at(iParticle).empty() ? 0 : fileTracksummary.m_majorityParticleId->at(iParticle).at(0);
tableStoredMcParticles(tableMcCollisions.lastIndex(), // mcCollisionId
fileParticles.m_particle_type->at(iParticleGen), // pdgCode
0, // statusCode
flags, // flags
mothers, // mothersIds
daughters, // daughtersIdSlice
1.0f, // weight
fileTracksummary.m_t_px->at(iParticle), // m_px
fileTracksummary.m_t_py->at(iParticle), // m_py
fileTracksummary.m_t_pz->at(iParticle), // m_pz
0, // e
fileTracksummary.m_t_vx->at(iParticle), // m_vx
fileTracksummary.m_t_vy->at(iParticle), // m_vy
fileTracksummary.m_t_vz->at(iParticle), // m_vz
fileTracksummary.m_t_time->at(iParticle)); // m_vt
addedParticles[fileTracksummary.m_majorityParticlePDG->at(iParticle)].push_back({fileTracksummary.m_t_px->at(iParticle),
fileTracksummary.m_t_py->at(iParticle),
fileTracksummary.m_t_pz->at(iParticle),
fileTracksummary.m_t_vx->at(iParticle),
fileTracksummary.m_t_vy->at(iParticle),
fileTracksummary.m_t_vz->at(iParticle)});
tableStoredMcParticles(tableMcCollisions.lastIndex(), // mcCollisionId
fileTracksummary.m_majorityParticlePDG->at(iParticle), // pdgCode
0, // statusCode
flags, // flags
mothers, // mothersIds
daughters, // daughtersIdSlice
1.0f, // weight
fileTracksummary.m_t_px->at(iParticle), // m_px
fileTracksummary.m_t_py->at(iParticle), // m_py
fileTracksummary.m_t_pz->at(iParticle), // m_pz
0, // e
fileTracksummary.m_t_vx->at(iParticle), // m_vx
fileTracksummary.m_t_vy->at(iParticle), // m_vy
fileTracksummary.m_t_vz->at(iParticle), // m_vz
fileTracksummary.m_t_time->at(iParticle)); // m_vt

// Extract ACTS track parameters
const float phi = fileTracksummary.m_ePHI_fit->at(iTrack);
Expand Down Expand Up @@ -545,6 +534,43 @@
false); // PassedITSHitsFB2
}

for (size_t iParticle = 0; iParticle < nParticlesGen; ++iParticle) {

uint8_t flags = 0;
flags |= o2::aod::mcparticle::enums::PhysicalPrimary;
bool alreadyAdded = false;
for (const auto& ap : addedParticles[fileParticles.m_particle_type->at(iParticle)]) {
if (std::abs(ap.px - fileParticles.m_px->at(iParticle)) <= 1.e-5 &&

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
std::abs(ap.py - fileParticles.m_py->at(iParticle)) <= 1.e-5 &&

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
std::abs(ap.pz - fileParticles.m_pz->at(iParticle)) <= 1.e-5 &&

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
std::abs(ap.vx - fileParticles.m_vx->at(iParticle)) <= 1.e-5 &&

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
std::abs(ap.vy - fileParticles.m_vy->at(iParticle)) <= 1.e-5 &&

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
std::abs(ap.vz - fileParticles.m_vz->at(iParticle)) <= 1.e-5) {

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Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
alreadyAdded = true;
break;
}
}
if (alreadyAdded) {
continue;
}

tableStoredMcParticles(tableMcCollisions.lastIndex(), // mcCollisionId
fileParticles.m_particle_type->at(iParticle), // pdgCode
0, // statusCode
flags, // flags
mothers, // mothersIds
daughters, // daughtersIdSlice
1.0f, // weight
fileParticles.m_px->at(iParticle), // m_px
fileParticles.m_py->at(iParticle), // m_py
fileParticles.m_pz->at(iParticle), // m_pz
std::hypot(fileParticles.m_p->at(iParticle), fileParticles.m_m->at(iParticle)), // e
fileParticles.m_vx->at(iParticle), // m_vx
fileParticles.m_vy->at(iParticle), // m_vy
fileParticles.m_vz->at(iParticle), // m_vz
fileParticles.m_vt->at(iParticle)); // m_vt
}

LOG(info) << "Event " << iEvent << ": has " << nTracks << " tracks and " << nParticles << " particles.";
}
}
Expand Down
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