feat: add recID for convenience and compatibility

There are usability concerns with the assocation branches in ROOT trees. For now we can also store recID similar to simID. This will allow us to do that with juggler algorithms.

eic_data.yaml

@@ -516,7 +516,8 @@ datatypes:
     Description: "Used to keep track of the correspondence between MC and reconstructed particles"
     Author: "S. Joosten"
     Members:
-      - uint32_t          simID             // Index of corresponding MCParticle (position in MCParticles array) 
+      - uint32_t          simID             // Index of corresponding MCParticle (position in MCParticles array)
+      - uint32_t          recID             // Index of corresponding ReconstructedParticle (position in ReconstructedParticles array)
       - float             weight            // weight of this association
     OneToOneRelations :
       - eicd::ReconstructedParticle  rec    // reference to the reconstructed particle
@@ -527,7 +528,8 @@ datatypes:
     Description: "Association between a Cluster and a MCParticle"
     Author : "S. Joosten"
     Members:
-      - uint32_t          simID             // Index of corresponding MCParticle (position in MCParticles array) 
+      - uint32_t          simID             // Index of corresponding MCParticle (position in MCParticles array)
+      - uint32_t          recID             // Index of corresponding Cluster (position in Clusters array)
       - float             weight            // weight of this association
     OneToOneRelations:
       - eicd::Cluster     rec               // reference to the cluster
@@ -537,7 +539,8 @@ datatypes:
     Description: "Association between a Track and a MCParticle"
     Author : "S. Joosten"
     Members:
-      - uint32_t          simID             // Index of corresponding MCParticle (position in MCParticles array) 
+      - uint32_t          simID             // Index of corresponding MCParticle (position in MCParticles array)
+      - uint32_t          recID             // Index of corresponding Track (position in Tracks array)
       - float             weight            // weight of this association
     OneToOneRelations:
       - eicd::Track       rec               // reference to the track
@@ -548,7 +551,8 @@ datatypes:
     Description: "Association between a Vertex and a MCParticle"
     Author : "S. Joosten"
     Members:
-      - uint32_t          simID             // Index of corresponding MCParticle (position in MCParticles array) 
+      - uint32_t          simID             // Index of corresponding MCParticle (position in MCParticles array)
+      - uint32_t          recID             // Index of corresponding Vertex (position in Vertices array)
       - float             weight            // weight of this association
     OneToOneRelations:
       - eicd::Vertex       rec               // reference to the vertex