From 5d6f80e276d3bc9f25bba9937d1e7d252d3cf4b0 Mon Sep 17 00:00:00 2001
From: Felix Weiglhofer <weiglhofer@fias.uni-frankfurt.de>
Date: Fri, 11 Jun 2021 14:36:03 +0000
Subject: [PATCH] Digitization: Apply time offset also in event-by-event mode.
---
sim/detectors/sts/CbmStsDigitize.cxx | 2 +-
sim/response/base/CbmDigitizationSource.cxx | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/sim/detectors/sts/CbmStsDigitize.cxx b/sim/detectors/sts/CbmStsDigitize.cxx
index 5a30866e62..976eb973b7 100644
--- a/sim/detectors/sts/CbmStsDigitize.cxx
+++ b/sim/detectors/sts/CbmStsDigitize.cxx
@@ -189,7 +189,7 @@ void CbmStsDigitize::Exec(Option_t* /*opt*/)
// --- Generate noise from previous to current event time
if (fParSim->Noise()) {
Int_t nNoise = 0;
- Double_t tNoiseStart = fNofEvents ? eventTimePrevious : 0.;
+ Double_t tNoiseStart = fNofEvents ? eventTimePrevious : 1000.;
Double_t tNoiseEnd = fCurrentEventTime;
for (auto& entry : fModules)
nNoise += entry.second->GenerateNoise(tNoiseStart, tNoiseEnd);
diff --git a/sim/response/base/CbmDigitizationSource.cxx b/sim/response/base/CbmDigitizationSource.cxx
index b8b6b9026f..791fdfc64d 100644
--- a/sim/response/base/CbmDigitizationSource.cxx
+++ b/sim/response/base/CbmDigitizationSource.cxx
@@ -280,7 +280,7 @@ Int_t CbmDigitizationSource::ReadEvent(UInt_t event)
}
// In the event-by-event mode, get the respective event from the first
- // input; the event time is zero.
+ // input; the event time is fStartTime.
if (fEventMode) return ReadEventByEvent(event);
// If the last used input set was exhausted, switch to a the next one
@@ -347,7 +347,7 @@ Int_t CbmDigitizationSource::ReadEventByEvent(UInt_t event)
fCurrentEntryId = input->GetNextEntry();
// Set entry properties
- fCurrentTime = 0.;
+ fCurrentTime = fTimeStart;
LOG(info) << "DigitizationSource: Event " << event << " at t = " << fCurrentTime << " ns"
<< " from input " << fCurrentInputId << " (entry " << fCurrentEntryId << ")";
--
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