V0: add to mctrack study

Signed-off-by: Felix Schlepper <felix.schlepper@cern.ch>

Author: f3sch

Detectors/GlobalTrackingWorkflow/study/include/GlobalTrackingStudy/TrackMCStudyConfig.h

@@ -22,6 +22,7 @@ struct TrackMCStudyConfig : o2::conf::ConfigurableParamHelper<TrackMCStudyConfig
   float minPtMC = 0.05;
   float maxTglMC = 1.5;
   float maxRMC = 33.;
+  float minRMC = 0.;
   float maxPosTglMC = 2.;
   float maxPVZOffset = 15.;
   float decayMotherMaxT = 1.0f; // max TOF in ns for mother particles to study
@@ -31,6 +32,7 @@ struct TrackMCStudyConfig : o2::conf::ConfigurableParamHelper<TrackMCStudyConfig
   float rejectClustersResStat = 0.;
   float maxTPCRefExtrap = 2;                   // max dX to extrapolate the track ref when extrapolating track true posions
   int decayPDG[5] = {310, 3122, 411, 421, -1}; // decays to study, must end by -1
+  std::string mcParticleFilter;                // only accept these mc particle (comma separated), leave empty to accetable all species
   O2ParamDef(TrackMCStudyConfig, "trmcconf");
 };
 } // namespace o2::trackstudy

Detectors/GlobalTrackingWorkflow/study/include/GlobalTrackingStudy/TrackMCStudyTypes.h

@@ -21,17 +21,27 @@
 #include "ReconstructionDataFormats/PrimaryVertex.h"
 #include <array>
 #include <vector>
+#include <bit>
 
 namespace o2::trackstudy
 {
-struct MCTrackInfo {
 
-  inline float getMCTimeMUS() const { return bcInTF * o2::constants::lhc::LHCBunchSpacingMUS; }
-  inline bool hasITSHitOnLr(int i) const { return (pattITSCl & ((0x1 << i) & 0x7f)) != 0; }
+struct ITSTrackInfo {
+  inline bool hasITSHitOnLr(int i) const { return (pattClITS & ((0x1 << i) & 0x7f)) != 0; }
   int getNITSClusCont() const;
   int getNITSClusForAB() const;
   int getLowestITSLayer() const;
   int getHighestITSLayer() const;
+  int getNITSClusTrackable() const noexcept { return std::popcount(pattClITS); }
+
+  uint8_t nClITS = 0;
+  uint8_t pattClITS = 0;
+
+  ClassDefNV(ITSTrackInfo, 1);
+};
+
+struct MCTrackInfo : public ITSTrackInfo {
+  inline float getMCTimeMUS() const { return bcInTF * o2::constants::lhc::LHCBunchSpacingMUS; }
 
   o2::track::TrackPar track{};
   o2::MCCompLabel label{};
@@ -41,21 +51,20 @@ struct MCTrackInfo {
   int pdg = 0;
   int pdgParent = 0;
   int parentEntry = -1;
-  int16_t nTPCCl = 0;
-  int16_t nTPCClShared = 0;
+  uint16_t nTPCCl = 0;
+  uint16_t nTPCClShared = 0;
   int8_t parentDecID = -1;
-  uint8_t minTPCRow = -1;
-  uint8_t maxTPCRow = 0;
+  int8_t minTPCRow = -1;
+  int8_t maxTPCRow = 0;
   uint8_t nUsedPadRows = 0;
   uint8_t maxTPCRowInner = 0; // highest row in the sector containing the lowest one
-  uint8_t minTPCRowSect = -1;
-  uint8_t maxTPCRowSect = -1;
-  int8_t nITSCl = 0;
-  int8_t pattITSCl = 0;
-  ClassDefNV(MCTrackInfo, 4);
+  int8_t minTPCRowSect = -1;
+  int8_t maxTPCRowSect = -1;
+  uint8_t nITSClInv = 0;
+  ClassDefNV(MCTrackInfo, 5);
 };
 
-struct RecTrack {
+struct RecTrack : public ITSTrackInfo {
   enum FakeFlag {
     FakeITS = 0x1 << 0,
     FakeTPC = 0x1 << 1,
@@ -71,9 +80,7 @@ struct RecTrack {
   o2::MCEventLabel pvLabel{};
   short pvID = -1;
   uint8_t flags = 0;
-  uint8_t nClITS = 0;
   uint8_t nClTPC = 0;
-  uint8_t pattITS = 0;
   int8_t lowestPadRow = -1;
 
   bool isFakeGLO() const { return flags & FakeGLO; }
@@ -83,7 +90,7 @@ struct RecTrack {
   bool isFakeTOF() const { return flags & FakeTOF; }
   bool isFakeITSTPC() const { return flags & FakeITSTPC; }
 
-  ClassDefNV(RecTrack, 1);
+  ClassDefNV(RecTrack, 2);
 };
 
 struct TrackPairInfo {

Detectors/GlobalTrackingWorkflow/study/src/GlobalTrackingStudyLinkDef.h

@@ -27,6 +27,7 @@
 #pragma link C++ class std::vector < o2::trackstudy::RecTrack> + ;
 #pragma link C++ class o2::trackstudy::TrackFamily + ;
 #pragma link C++ class std::vector < o2::trackstudy::TrackFamily> + ;
+#pragma link C++ class o2::trackstudy::ITSTrackInfo + ;
 #pragma link C++ class o2::trackstudy::MCTrackInfo + ;
 #pragma link C++ class std::vector < o2::trackstudy::MCTrackInfo> + ;
 #pragma link C++ class o2::trackstudy::RecPV + ;