From 7a09d69df5ef1387a4d9db95e52fd71ab153b5e2 Mon Sep 17 00:00:00 2001
From: Dominik Smith <d.smith@gsi.de>
Date: Mon, 7 Feb 2022 15:59:38 +0100
Subject: [PATCH] CbmSeedFinderQa: Completed implementation of time offset
measurement.
---
reco/eventbuilder/digis/CbmSeedFinderQa.cxx | 58 ++++++++++---------
reco/eventbuilder/digis/CbmSeedFinderQa.h | 10 +++-
.../digis/CbmSeedFinderSlidingWindow.cxx | 5 ++
.../digis/CbmSeedFinderSlidingWindow.h | 3 +
.../digis/CbmTaskBuildRawEvents.cxx | 3 +
5 files changed, 52 insertions(+), 27 deletions(-)
diff --git a/reco/eventbuilder/digis/CbmSeedFinderQa.cxx b/reco/eventbuilder/digis/CbmSeedFinderQa.cxx
index 62db95c0e1..9e8b0bf17d 100644
--- a/reco/eventbuilder/digis/CbmSeedFinderQa.cxx
+++ b/reco/eventbuilder/digis/CbmSeedFinderQa.cxx
@@ -29,7 +29,8 @@ CbmSeedFinderQa::CbmSeedFinderQa() : fOutFolder("SeedFinderQA", "Seed finder QA"
fhCorrectVsFoundNoNoise =
new TH2I("fhCorrectVsFoundNoNoise", "Correct digis [pct] vs. Found digis [pct], no noise; Correct; Found ", 110,
-5., 105., 110, -5., 105.);
- fhTimeOffset = new TH1F("fhTimeOffset", "tSeed - tMCEvent [ns]", 40, -10, 10);
+ fhTimeOffset = new TH1F("fhTimeOffset", "tSeed - tMCEvent [ns]", 20, -5, 5);
+ fhTimeOffset->SetCanExtend(TH1::kAllAxes);
histFolder->Add(fhCorrectDigiRatio);
histFolder->Add(fhCorrectDigiRatioNoNoise);
@@ -39,8 +40,8 @@ CbmSeedFinderQa::CbmSeedFinderQa() : fOutFolder("SeedFinderQA", "Seed finder QA"
histFolder->Add(fhCorrectVsFoundNoNoise);
histFolder->Add(fhTimeOffset);
- fCanv = new CbmQaCanvas("cSummary", "", 3 * 400, 2 * 400);
- fCanv->Divide2D(6);
+ fCanv = new CbmQaCanvas("cSummary", "", 4 * 400, 2 * 400);
+ fCanv->Divide2D(7);
fOutFolder.Add(fCanv);
}
@@ -56,6 +57,15 @@ CbmSeedFinderQa::~CbmSeedFinderQa()
delete fCanv;
}
+void CbmSeedFinderQa::Init()
+{
+ if (!FairRootManager::Instance() || !FairRootManager::Instance()->GetObject("MCEventList.")) {
+ LOG(error) << "No MC event list found";
+ return;
+ }
+ fEventList = (CbmMCEventList*) FairRootManager::Instance()->GetObject("MCEventList.");
+}
+
void CbmSeedFinderQa::FillQaInfo(const int32_t WinStart, const int32_t WinEnd, const std::vector<CbmMatch>* vDigiMatch,
const double seedTime)
{
@@ -98,8 +108,11 @@ void CbmSeedFinderQa::FillQaInfo(const int32_t WinStart, const int32_t WinEnd, c
{
seedMatch.AddLink(1.0, 0, -1, 0);
fvEventMatches.push_back(seedMatch);
- fvCorrectDigiRatio.push_back(-1.0);
- fvFoundDigiRatio.push_back(-1.0);
+ //should never show up in histograms
+ fvCorrectDigiRatio.push_back(std::numeric_limits<double>::quiet_NaN());
+ fvCorrectDigiRatioNoNoise.push_back(std::numeric_limits<double>::quiet_NaN());
+ fvFoundDigiRatio.push_back(std::numeric_limits<double>::quiet_NaN());
+ fvTimeOffset.push_back(std::numeric_limits<double>::quiet_NaN());
return;
}
else {
@@ -131,18 +144,22 @@ void CbmSeedFinderQa::FillQaInfo(const int32_t WinStart, const int32_t WinEnd, c
}
const double foundDigiRatio = (double) correctDigiCount / matchedEventDigiCount;
fvFoundDigiRatio.push_back(foundDigiRatio);
+
+ //seed time offset to MC
+ const CbmLink& eventLink = seedMatch.GetMatchedLink();
+ const double timeDiff = seedTime - fEventList->GetEventTime(eventLink.GetEntry(), eventLink.GetFile());
+ fvTimeOffset.push_back(timeDiff);
}
void CbmSeedFinderQa::FillHistos()
{
- if (!FairRootManager::Instance() || !FairRootManager::Instance()->GetObject("MCEventList.")) {
- LOG(error) << "No MC event list found";
- return;
- }
- CbmMCEventList* eventList = (CbmMCEventList*) FairRootManager::Instance()->GetObject("MCEventList.");
- //eventList->Print();
-
for (uint32_t iEvent = 0; iEvent < fvEventMatches.size(); iEvent++) {
+
+ const CbmMatch* match = &(fvEventMatches.at(iEvent));
+ const CbmLink& link = match->GetMatchedLink();
+ if (link.GetEntry() == -1) { continue; }
+
+ fhTimeOffset->Fill(fvTimeOffset.at(iEvent));
const int32_t digiCount = fvFullDigiCount.at(iEvent);
const int32_t noiseCount = fvNoiseDigiCount.at(iEvent);
const double noiseDigisPercent = 100. * (double) noiseCount / digiCount;
@@ -155,14 +172,6 @@ void CbmSeedFinderQa::FillHistos()
fhFoundDigiRatio->Fill(foundDigisPercent);
fhCorrectVsFound->Fill(correctDigisPercent, foundDigisPercent);
fhCorrectVsFoundNoNoise->Fill(correctDigisPercentNoNoise, foundDigisPercent);
-
- const CbmMatch* match = &(fvEventMatches.at(iEvent));
- const CbmLink& link = match->GetMatchedLink();
-
- if (link.GetEntry() != -1) {
- const double timeDiff = fvSeedTimesFull.at(iEvent) - eventList->GetEventTime(link.GetEntry(), link.GetFile());
- fhTimeOffset->Fill(timeDiff);
- }
}
}
@@ -194,12 +203,6 @@ void CbmSeedFinderQa::OutputQa()
void CbmSeedFinderQa::WriteHistos()
{
- //output histograms
- if (!FairRootManager::Instance() || !FairRootManager::Instance()->GetSink()) {
- LOG(error) << "No sink found";
- return;
- }
-
fCanv->cd(1);
fhCorrectDigiRatio->DrawCopy("colz", "");
@@ -218,6 +221,9 @@ void CbmSeedFinderQa::WriteHistos()
fCanv->cd(6);
fhCorrectVsFoundNoNoise->DrawCopy("colz", "");
+ fCanv->cd(7);
+ fhTimeOffset->DrawCopy("colz", "");
+
FairSink* sink = FairRootManager::Instance()->GetSink();
sink->WriteObject(&fOutFolder, nullptr);
}
diff --git a/reco/eventbuilder/digis/CbmSeedFinderQa.h b/reco/eventbuilder/digis/CbmSeedFinderQa.h
index b2d1729a5b..02c5a223f0 100644
--- a/reco/eventbuilder/digis/CbmSeedFinderQa.h
+++ b/reco/eventbuilder/digis/CbmSeedFinderQa.h
@@ -27,6 +27,7 @@
class TH1F;
class TH2I;
+class CbmMCEventList;
class CbmQaCanvas;
class CbmSeedFinderQa {
@@ -55,6 +56,8 @@ public:
std::vector<double> fvCorrectDigiRatioNoNoise;
/** @brief Ratio of digis of matched events that were included in event seed. */
std::vector<double> fvFoundDigiRatio;
+ /** @brief Difference between true event time and seed time. */
+ std::vector<double> fvTimeOffset;
/** @brief Gather QA Information.
* @params WinStart Starting position of seed window.
@@ -71,6 +74,9 @@ public:
/** @brief Finalize histograms and canvases and write to file. */
void WriteHistos();
+ /** @brief Initialize communication with FairRootManager (needed for MC events). */
+ void Init();
+
private:
TFolder* histFolder = nullptr; /// subfolder for histograms
TFolder fOutFolder; /// output folder with histos and canvases
@@ -82,10 +88,12 @@ private:
TH1F* fhFoundDigiRatio = nullptr; /// digis found per event
TH2I* fhCorrectVsFound = nullptr; /// correct digis per event vs found digis per event
TH2I* fhCorrectVsFoundNoNoise = nullptr; /// correct digis per event vs found digis per event, disregarding noise
- TH1F* fhTimeOffset = nullptr; /// difference between true event time and seed
+ TH1F* fhTimeOffset = nullptr; /// difference between true event time and seed time
CbmQaCanvas* fCanv; ///summary canvas
+ CbmMCEventList* fEventList = nullptr; // to access MC truth
+
/** @brief Fill output histograms with data from current timeslice. */
void FillHistos();
};
diff --git a/reco/eventbuilder/digis/CbmSeedFinderSlidingWindow.cxx b/reco/eventbuilder/digis/CbmSeedFinderSlidingWindow.cxx
index 8dd3e7dbf7..0e4f2f72fa 100644
--- a/reco/eventbuilder/digis/CbmSeedFinderSlidingWindow.cxx
+++ b/reco/eventbuilder/digis/CbmSeedFinderSlidingWindow.cxx
@@ -126,6 +126,11 @@ void CbmSeedFinderSlidingWindow::SetQa(bool doQA)
}
}
+void CbmSeedFinderSlidingWindow::Init()
+{
+ if (fQa) { fQa->Init(); }
+}
+
void CbmSeedFinderSlidingWindow::OutputQa()
{
if (fQa) { fQa->OutputQa(); }
diff --git a/reco/eventbuilder/digis/CbmSeedFinderSlidingWindow.h b/reco/eventbuilder/digis/CbmSeedFinderSlidingWindow.h
index 06e55390e0..d8dce3b971 100644
--- a/reco/eventbuilder/digis/CbmSeedFinderSlidingWindow.h
+++ b/reco/eventbuilder/digis/CbmSeedFinderSlidingWindow.h
@@ -65,6 +65,9 @@ public:
/** @brief Returns number of seed times currently stored in buffer. */
size_t GetNofSeeds() { return fvSeedTimes->size(); }
+ /** @brief Initializes QA object if set. */
+ void Init();
+
private:
/** @brief Processes QA info. */
CbmSeedFinderQa* fQa = nullptr;
diff --git a/reco/eventbuilder/digis/CbmTaskBuildRawEvents.cxx b/reco/eventbuilder/digis/CbmTaskBuildRawEvents.cxx
index 647f28e3d3..7f106fee54 100644
--- a/reco/eventbuilder/digis/CbmTaskBuildRawEvents.cxx
+++ b/reco/eventbuilder/digis/CbmTaskBuildRawEvents.cxx
@@ -170,6 +170,9 @@ InitStatus CbmTaskBuildRawEvents::Init()
LOG(info) << "CbmTaskBuildRawEvents::Init(): Real time " << rtime << " s, CPU time " << ctime << " s";
}
+ // Init seed finder
+ if (fSeedFinderSlidingWindow) { fSeedFinderSlidingWindow->Init(); }
+
/// Call Algo Init method
if (kTRUE == fpAlgo->InitAlgo()) return kSUCCESS;
else
--
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