Improve trajectory

Improved handling of tracks, trajectories and track projections

• Update guidance to not conflict with new direction
• Update/add tracking data structures
• Update reconstruction algos (minimize/avoid breakage of existing options files)
• Update tracking benchmarks

source/include/eicd/helpers.h

@@ -32,9 +32,9 @@ namespace eicd::helpers {
         return ROOT::Math::PxPyPzMVector{};
       }
       const double p  = fabs(1. / track.qOverP);
-      const double px = p * cos(track.direction.phi) * sin(track.direction.theta);
-      const double py = p * sin(track.direction.phi) * sin(track.direction.theta);
-      const double pz = p * cos(track.direction.theta);
+      const double px = p * cos(track.phi) * sin(track.theta);
+      const double py = p * sin(track.phi) * sin(track.theta);
+      const double pz = p * cos(track.theta);
       return ROOT::Math::PxPyPzMVector{px, py, pz, mass};
     });
     return momenta;