TF3: fix the start ROF BC

Author: mpuccio

Detectors/Upgrades/ALICE3/IOTOF/simulation/include/IOTOFSimulation/Digitizer.h

@@ -62,6 +62,7 @@ class Digitizer : public TObject
 
   /// Set the event time
   void setEventTime(const o2::InteractionTimeRecord& irt) { mEventTime = irt; }
+  void setROFRecordIR(const o2::InteractionRecord& ir) { mROFRecordIR = ir; }
 
   /// Set continuous readout mode
   void setContinuous(bool v) { mContinuous = v; }
@@ -127,6 +128,7 @@ class Digitizer : public TObject
   o2::dataformats::MCTruthContainer<o2::MCCompLabel>* mMCLabels = nullptr; //! output labels
 
   o2::InteractionTimeRecord mEventTime; ///< global event time and interaction record
+  o2::InteractionRecord mROFRecordIR;   ///< interaction record assigned to the output ROF
   bool mContinuous = true;              ///< continuous readout mode
 
   // Digitization parameters

Detectors/Upgrades/ALICE3/IOTOF/simulation/src/Digitizer.cxx

@@ -221,7 +221,7 @@ void Digitizer::fillOutputContainer()
   }
 
   rof.setNEntries(mDigits->size() - rof.getFirstEntry()); // number of digits
-  rof.setBCData(mEventTime);
+  rof.setBCData(mContinuous ? mROFRecordIR : mEventTime);
   mROFRecords->push_back(rof);
   LOG(debug) << "Created ROF record with " << mDigits->size() << " digits";
 

Steer/DigitizerWorkflow/src/IOTOFDigitizerSpec.cxx

@@ -90,6 +90,7 @@ class IOTOFDPLDigitizerTask : o2::base::BaseDPLDigitizer
 
     mDigitizer.setDigits(&mDigits);
     mDigitizer.setROFRecords(&mROFRecords);
+    mDigitizer.setROFRecordIR(firstIR);
     if (mWithMCTruth) {
       mDigitizer.setMCLabels(&mLabels);
     }