SBND Timing Reconstruction Refactor

sbncode/CAFMaker/CAFMaker_module.cc

@@ -2649,27 +2649,18 @@ void CAFMaker::produce(art::Event& evt) noexcept {
   FixPMTReferenceTimes(rec, PMT_reference_time);
 
   // TODO: TPC?
-
-  // SBND: Fix the Reference time in data depending on the stream
-  // For more information, see: 
-  // https://sbn-docdb.fnal.gov/cgi-bin/sso/RetrieveFile?docid=43090
+
 
-  if (isRealData && (fDet == kSBND) && fSubRunPOT > 0)
+  if (isRealData && (fDet == kSBND))
   {
     // Fill trigger info
     FillTriggerSBND(srsbndtiminginfo, srtrigger);
 
-    // Shift timing reference frame
-    if (!std::isnan(rec.sbnd_frames.frameApplyAtCaf) && (rec.sbnd_frames.frameApplyAtCaf != 0.0)){
-      mf::LogInfo("CAFMaker") << "Setting Reference Timing for timing object in SBND \n"
-                              << "    Shift Apply At Caf Level = " << rec.sbnd_frames.frameApplyAtCaf << " ns\n";
-
-      //shift reference frame for CRT objects: crt trk, crt sp, crt sp match, crt trk match
-      SBNDShiftCRTReference(rec, rec.sbnd_frames.frameApplyAtCaf);
-
-      //shift reference frame for PMT objects: opflash, opt0
-      SBNDShiftPMTReference(rec, rec.sbnd_frames.frameApplyAtCaf);
-    }
+    //// Legacy code: Timing correction is now done at decoding/reconstruction level
+    ////shift reference frame for CRT objects: crt trk, crt sp, crt sp match, crt trk match
+    //SBNDShiftCRTReference(rec, rec.sbnd_frames.frameApplyAtCaf);
+    ////shift reference frame for PMT objects: opflash, opt0
+    //SBNDShiftPMTReference(rec, rec.sbnd_frames.frameApplyAtCaf);
   }
 
   // Get metadata information for header

sbncode/CAFMaker/FillReco.cxx

@@ -211,13 +211,22 @@ namespace caf
                         caf::SRSBNDFrameShiftInfo &srsbndframe,
                         bool allowEmpty)
   {
-    srsbndframe.timingType = frame.TimingType();
-    srsbndframe.frameTdcCrtt1 = frame.FrameTdcCrtt1();
-    srsbndframe.frameTdcBes = frame.FrameTdcBes();
-    srsbndframe.frameTdcRwm = frame.FrameTdcRwm();
-    srsbndframe.frameHltCrtt1 = frame.FrameHltCrtt1();
-    srsbndframe.frameHltBeamGate = frame.FrameHltBeamGate();
-    srsbndframe.frameApplyAtCaf = frame.FrameApplyAtCaf();
+    srsbndframe.frameCrtt1         = frame.FrameCrtt1();
+    srsbndframe.timingTypeCrtt1    = frame.TimingTypeCrtt1();
+    srsbndframe.timingChannelCrtt1 = frame.TimingChannelCrtt1();
+
+    srsbndframe.frameBeamGate         = frame.FrameBeamGate();
+    srsbndframe.timingTypeBeamGate    = frame.TimingTypeBeamGate();
+    srsbndframe.timingChannelBeamGate = frame.TimingChannelBeamGate();
+
+    srsbndframe.frameEtrig         = frame.FrameEtrig();
+    srsbndframe.timingTypeEtrig    = frame.TimingTypeEtrig();
+    srsbndframe.timingChannelEtrig = frame.TimingChannelEtrig();
+
+    srsbndframe.frameDefault         = frame.FrameDefault();
+    srsbndframe.timingTypeDefault    = frame.TimingTypeDefault();
+    srsbndframe.timingChannelDefault = frame.TimingChannelDefault();
+
   }
 
   void FillSBNDTimingInfo(const sbnd::timing::TimingInfo &timing,

sbncode/CAFMaker/FillTrigger.cxx

@@ -49,10 +49,21 @@ namespace caf
   }
 
   void FillTriggerSBND(caf::SRSBNDTimingInfo& timingInfo, caf::SRTrigger& triggerInfo){
-
-    triggerInfo.global_trigger_time = timingInfo.hltEtrig;
-    triggerInfo.beam_gate_time_abs = timingInfo.hltBeamGate;
-    double diff_ts = triggerInfo.global_trigger_det_time - triggerInfo.beam_gate_det_time;
+
+    if (timingInfo.hltEtrig != std::numeric_limits<uint64_t>::max()) triggerInfo.global_trigger_time = timingInfo.hltEtrig;
+    if (timingInfo.hltBeamGate != std::numeric_limits<uint64_t>::max()) triggerInfo.beam_gate_time_abs = timingInfo.hltBeamGate;
+
+    double diff_ts = std::numeric_limits<double>::max();
+
+    if ((triggerInfo.global_trigger_time != std::numeric_limits<uint64_t>::max()) & (triggerInfo.beam_gate_time_abs != std::numeric_limits<uint64_t>::max())){
+
+      if (triggerInfo.global_trigger_time > triggerInfo.beam_gate_time_abs){
+        diff_ts = triggerInfo.global_trigger_time - triggerInfo.beam_gate_time_abs;
+      }
+      else{
+        diff_ts = (triggerInfo.beam_gate_time_abs - triggerInfo.global_trigger_time)*(double)-1;
+      }
+    }
     triggerInfo.trigger_within_gate = diff_ts;
   }