Merge pull request #66 from DUNE/feature/ingratta_add_shower_track_fields_and_link_recoparticle

added SRShower-related fields + unique id to link SRTrack/SRShower to SRRecoParticle obj

Author: GianfrancoIngratta

duneanaobj/StandardRecord/SRRecoParticle.h

@@ -22,7 +22,7 @@ namespace caf
 
     public:
       static constexpr int kPdgHadronicBlob = 2000000002;   ///< Special PDG code used for a "hadronic blob" (usu. calorimetrically reconstructed), borrowed from GENIE
-
+      
       bool        primary  = false;                   ///< Is this reco particle a "primary" one (i.e. emanates directly from the reconstructed vertex)?
 
       int         pdg      = 0;                       ///< PDG code inferred for this particle.

duneanaobj/StandardRecord/SRShower.h

@@ -16,9 +16,22 @@ namespace caf
   class SRShower
   {
     public:
+      // less typing further below
+      static constexpr float NaN = std::numeric_limits<float>::signaling_NaN();
+
       SRVector3D start;      ///< Shower 3D start point [cm]
-      SRVector3D direction;  ///< Shower 3D end point [cm]
+      SRVector3D direction;  ///< Shower direction (unit vector).
+
+      double time = NaN;     ///< Time of shower formation [ns]
+      
       float Evis = -999.;    ///< Visible energy in voxels corresponding to this shower
+      
+      float qual = NaN;      ///< Reco-specific quality metric (for istance trackScore value) 
+
+      float len_cm   = NaN;  ///< Shower length [cm]. The definition is reco-dependent; consult the documentation of the specific reconstruction algorithm (e.g. Pandora, SPINE) for its exact meaning before use.
+      
+      float initial_dEdx;    ///< dE/dx value at the shower start
+      float conversionGap;   ///< Spatial distance between the photon creation and its conversion into e+e- pair [cm]
 
       std::vector<TrueParticleID> truth;              ///< Associated SRTrueParticle(s), if relevant (use SRTruthBranch::Particle() with these IDs to grab them)
       std::vector<float>   truthOverlap;              ///< Fractional overlap between this shower and true particle