add collections typedefs

interface/SimTrack.h

@@ -2,7 +2,7 @@
 #define SimTrack_h
 
 #include "Tools.h"
-
+#include <vector>
 /**
  * @class SimTrack
  * @brief Represents a simulated track in a particle physics event.
@@ -76,4 +76,5 @@ private:
   Vector4D momentumAtBoundary_;
 };
 
+typedef std::vector<SimTrack> SimTrackCollection;
 #endif

interface/SimVertex.h

@@ -2,6 +2,7 @@
 #define SimVertex_h
 
 #include "Tools.h"
+#include <vector>
 
 /**
  * @class SimVertex
@@ -37,5 +38,7 @@ class SimVertex {
 
     unsigned int event;
     Vector4D theVertex;
-}; 
+};
+
+typedef std::vector<SimVertex> SimVertexCollection;
 #endif