Update

Author: njacazio

ALICE3/TableProducer/OTF/onTheFlyTracker.cxx

@@ -176,9 +176,7 @@ struct OnTheFlyTracker {
   o2::vertexing::DCAFitterN<2> fitter;
 
   // FastTracker machinery
-  // o2::fastsim::FastTracker fastTracker;
   std::vector<std::unique_ptr<o2::fastsim::FastTracker>> fastTracker;
-  o2::fastsim::FastTracker fastPrimaryTracker;
 
   // V0 names for filling histograms
   static constexpr int NtypesV0 = 3;
@@ -540,18 +538,6 @@ struct OnTheFlyTracker {
     // Set seed for TGenPhaseSpace
     rand.SetSeed(seed);
     gRandom->SetSeed(seed);
-
-    // Configure FastTracker for primaries
-    if (fastPrimaryTrackerSettings.fastTrackPrimaries) {
-      fastPrimaryTracker.SetMagneticField(magneticField);
-      fastPrimaryTracker.SetApplyZacceptance(fastPrimaryTrackerSettings.applyZacceptance);
-      fastPrimaryTracker.SetApplyMSCorrection(fastPrimaryTrackerSettings.applyMSCorrection);
-      fastPrimaryTracker.SetApplyElossCorrection(fastPrimaryTrackerSettings.applyElossCorrection);
-      fastPrimaryTracker.AddGenericDetector(geoContainer.getEntry(0), ccdb.operator->());
-
-      // print fastTracker settings
-      fastPrimaryTracker.Print();
-    }
   }
 
   /// Function to decay the xi
@@ -807,9 +793,9 @@ struct OnTheFlyTracker {
       const bool isDecayDaughter = (mcParticle.getProcess() == TMCProcess::kPDecay);
 
       multiplicityCounter++;
-      const float timeResolutionNs = 100.f;                    // ns
-      const float timeResolutionUs = timeResolutionNs * 1e-3f; // us
+      const float timeResolutionNs = 100.f; // ns
       const float nsToMus = 1e-3f;
+      const float timeResolutionUs = timeResolutionNs * nsToMus; // us
       const float time = (eventCollisionTimeNS + gRandom->Gaus(0., timeResolutionNs)) * nsToMus;
       static constexpr int kCascProngs = 3;
       std::vector<o2::track::TrackParCov> xiDaughterTrackParCovsPerfect(3);
@@ -1287,7 +1273,7 @@ struct OnTheFlyTracker {
       } else if (fastPrimaryTrackerSettings.fastTrackPrimaries) {
         o2::track::TrackParCov o2Track;
         o2::upgrade::convertMCParticleToO2Track(mcParticle, o2Track, pdgDB);
-        int nHits = fastPrimaryTracker.FastTrack(o2Track, trackParCov, dNdEta);
+        const int nHits = fastTracker[icfg]->FastTrack(o2Track, trackParCov, dNdEta);
         if (nHits < fastPrimaryTrackerSettings.minSiliconHits) {
           reconstructed = false;
         }