• r3d
  

  R3D_OK	0	rtrack/track is OK
  R3D_MAXPTS	1	rtrack has less than 300 points
  R3D_MINPTS	2	rtrack has less than 6 points
  R3D_NOFIT	3	failed to calculate chi2
  R3D_MAXIT	4	too many iterations
  R3D_SPIRAL	5	rtrack could not be extrapolated to vertex
  R3D_NOCHARGE	6	global rtrack does not have charge
  R3D_GIVEUP	7	cannot start vertex constaint fit
  R3D_NOERROR	8	failed to calculate error matrix

  
  
  
• ghosts
  

  GHOST_MERGE	+10	points from this track have been given to another
  GHOST_SPIRL	+20	trkstep recognised this track as elektronspiral
  GHOST_NOMOM	+30	track has no usable momentum
  GHOST_CLOSE	+40	double track