+ ,kPrimary = BIT(20) // tracklet from a primary track candidate
+ };
+
+ enum ETRDtrackletError { // up to 8 bits
+ kAttachClFound = 0 // not enough clusters found
+ ,kAttachRowGap = 1 // found gap attached rows
+ ,kAttachRow = 2 // found 3 rows
+ ,kAttachMultipleCl= 3// multiple clusters attached to time bin
+ ,kAttachClAttach= 4 // not enough clusters attached
+ ,kFitCl = 5 // not enough clusters for fit
+ ,kFitFailedY = 6 // fit failed in XY plane failed
+ ,kFitFailedZ = 7 // fit in the QZ plane failed