[MCH] added plot with quality flag for each DE to the Decoding task

The plot is filled by the Decoding checker, based on the estimated
quality of each Detection Element (DE).

Author: aferrero2707

Modules/MUON/MCH/include/MCH/DecodingPostProcessing.h

@@ -93,6 +93,8 @@ class DecodingPostProcessing : public PostProcessingInterface
   std::unique_ptr<HeartBeatPacketsPlotter> mHBPacketsPlotterOnCycle;
   std::unique_ptr<FECSyncStatusPlotter> mSyncStatusPlotter;
   std::unique_ptr<FECSyncStatusPlotter> mSyncStatusPlotterOnCycle;
+
+  std::unique_ptr<TH2F> mHistogramQualityPerDE; ///< quality flags for each DE, to be filled by checker task
 };
 
 template <typename T>

Modules/MUON/MCH/src/DecodingCheck.cxx

@@ -241,6 +241,29 @@ void DecodingCheck::beautify(std::shared_ptr<MonitorObject> mo, Quality checkRes
       drawThresholdsPerStation(h, mMinGoodSyncFracPerStation, mMinGoodSyncFrac);
     }
   }
+
+  // update quality flags for each DE
+  if (mo->getName().find("QualityFlagPerDE") != std::string::npos) {
+    TH2F* h = dynamic_cast<TH2F*>(mo->getObject());
+    if (!h) {
+      return;
+    }
+
+    for (int deId = 0; deId < mQualityChecker.mQuality.size(); deId++) {
+      float ybin = 0;
+      if (mQualityChecker.mQuality[deId] == Quality::Good) {
+        ybin = 3;
+      }
+      if (mQualityChecker.mQuality[deId] == Quality::Medium) {
+        ybin = 2;
+      }
+      if (mQualityChecker.mQuality[deId] == Quality::Bad) {
+        ybin = 1;
+      }
+
+      h->SetBinContent(deId + 1, ybin, 1);
+    }
+  }
 }
 
 } // namespace o2::quality_control_modules::muonchambers

Modules/MUON/MCH/src/DecodingPostProcessing.cxx

@@ -150,6 +150,21 @@ void DecodingPostProcessing::initialize(Trigger t, framework::ServiceRegistryRef
   createDecodingErrorsHistos(t, &qcdb);
   createHeartBeatPacketsHistos(t, &qcdb);
   createSyncStatusHistos(t, &qcdb);
+
+  //--------------------------------------------------
+  // Detector quality histogram
+  //--------------------------------------------------
+
+  mHistogramQualityPerDE.reset();
+  mHistogramQualityPerDE = std::make_unique<TH2F>("QualityFlagPerDE", "Quality Flag vs DE", getNumDE(), 0, getNumDE(), 3, 0, 3);
+  mHistogramQualityPerDE->GetYaxis()->SetBinLabel(1, "Bad");
+  mHistogramQualityPerDE->GetYaxis()->SetBinLabel(2, "Medium");
+  mHistogramQualityPerDE->GetYaxis()->SetBinLabel(3, "Good");
+  mHistogramQualityPerDE->SetOption("colz");
+  mHistogramQualityPerDE->SetStats(0);
+  getObjectsManager()->startPublishing(mHistogramQualityPerDE.get(), core::PublicationPolicy::ThroughStop);
+  getObjectsManager()->setDefaultDrawOptions(mHistogramQualityPerDE.get(), "colz");
+  getObjectsManager()->setDisplayHint(mHistogramQualityPerDE.get(), "gridy");
 }
 
 //_________________________________________________________________________________________