Update

Author: njacazio

ALICE3/DataModel/OTFLUT.h

@@ -36,12 +36,12 @@ namespace otf::lut
 //   lutHeader_t* mLUTHeader[nLUTs] = {nullptr};
 //   lutEntry_t***** mLUTEntry[nLUTs] = {nullptr};
 
-DECLARE_SOA_CCDB_COLUMN(LUTHeader, lutHeader, lutHeader_t, "TOF/Calib/LHCphase"); //!
+DECLARE_SOA_CCDB_COLUMN(LUTHeader, lutHeader, lutHeader_t, "LUTS"); //!
 // DECLARE_SOA_CCDB_COLUMN(LUTHeader, lutHeader, o2::dataformats::CalibLHCphaseTOF, "TOF/Calib/LHCphase"); //!
 
 } // namespace otf::lut
 
-DECLARE_SOA_TIMESTAMPED_TABLE(TOFCalibrationObjects, aod::Timestamps, o2::aod::timestamp::Timestamp, 1, "TOFCALIB", //!
+DECLARE_SOA_TIMESTAMPED_TABLE(LUTs, aod::Timestamps, o2::aod::timestamp::Timestamp, 1, "LUTs", //!
                               otf::lut::LUTHeader);
 } // namespace o2::aod
 

ALICE3/TableProducer/OTF/onTheFlyDetectorGeometryProvider.cxx

@@ -34,7 +34,7 @@ struct OnTheFlyDetectorGeometryProvider {
   o2::framework::Configurable<std::vector<std::string>> detectorConfiguration{"detectorConfiguration",
                                                                               std::vector<std::string>{"$O2PHYSICS_ROOT/share/alice3/a3geometry_v3.ini"},
                                                                               "Paths of the detector geometry configuration files"};
-  o2::framework::Produces<o2::aod::TOFCalibrationObjects> tofCalibObjects;
+  o2::framework::Produces<o2::aod::LUTs> lutTable;
   o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb;
   void init(o2::framework::InitContext&)
   {
@@ -66,9 +66,41 @@ struct OnTheFlyDetectorGeometryProvider {
     LOG(info) << "Initialization completed";
   }
 
+  lutHeader_t* mLUTHeader[10] = {nullptr};
   void process(o2::aod::McCollisions const& mcCollisions, o2::aod::McParticles const& mcParticles)
   {
-    LOG(debug) << "On-the-fly detector geometry provider processing " << mcCollisions.size() << " collisions and " << mcParticles.size() << " particles.";
+    const int ipdg = 0;
+    mLUTHeader[ipdg] = new lutHeader_t;
+
+    const std::string filename = "ccdb:/Users/j/jekarlss/LookUpTables/NoEloss/el";
+    const std::string localFilename = o2::fastsim::GeometryEntry::accessFile(filename, "./.ALICE3/LUTs/", ccdb.operator->(), 10);
+
+    std::ifstream lutFile(localFilename, std::ifstream::binary);
+    if (!lutFile.is_open()) {
+      LOG(info) << " --- cannot open covariance matrix file for PDG " << pdg << ": " << localFilename << std::endl;
+      delete mLUTHeader[ipdg];
+      mLUTHeader[ipdg] = nullptr;
+      return false;
+    }
+    lutFile.read(reinterpret_cast<char*>(mLUTHeader[ipdg]), sizeof(lutHeader_t));
+    if (lutFile.gcount() != sizeof(lutHeader_t)) {
+      LOG(info) << " --- troubles reading covariance matrix header for PDG " << pdg << ": " << filename << std::endl;
+      LOG(info) << " --- expected/detected " << sizeof(lutHeader_t) << "/" << lutFile.gcount() << std::endl;
+      delete mLUTHeader[ipdg];
+      mLUTHeader[ipdg] = nullptr;
+      return false;
+    }
+    if (mLUTHeader[ipdg]->version != LUTCOVM_VERSION) {
+      LOG(info) << " --- LUT header version mismatch: expected/detected = " << LUTCOVM_VERSION << "/" << mLUTHeader[ipdg]->version << std::endl;
+      delete mLUTHeader[ipdg];
+      mLUTHeader[ipdg] = nullptr;
+      return false;
+    }
+
+    lutTable
+
+        LOG(debug)
+      << "On-the-fly detector geometry provider processing " << mcCollisions.size() << " collisions and " << mcParticles.size() << " particles.";
   }
 };