Data Format GRAAL

VARIABLE	TIGER EVT RECON correspondence	DEFINITION	COMMENT
Event	evtNo	event ID from 0 to total number of event
nGemHit		number of good hits in one event
GemHit_nHit		same as nGemHit
GemHit_nHit_view		array of number of good hits for each view in one event
GemHit_nHit_bad		number of bad hits in one event
GemHit_channel	tchannel	channel ID from 0 to 63 readed by TIGER
GemHit_chip	chip	chip ID from 1 to 2 readed by TIGER
GemHit_ROC	tgemroc	GEMROC ID readed by TIGER
GemHit_FEB	tFEB_label	FEB label from 0 to 43 (L1 + L2) defined from mapping
GemHit_plane		hit plane	(0=L1, 1=upper L2, 2=lower L2)
GemHit_view		hit view	(2 = Phi, 3 = V)
GemHit_strip	tstrip_v	tstrip_x	strip ID from mapping as a function of channel and FEB
GemHit_q	tcharge_SH	efine of the hit readed by TIGER + calibration from FEB
GemHit_x		coordinate of the strip (in radiant if V, else in mm)
GemHit_pos		hit position in X reference frame
GemHit_z		hit position in Z reference frame	Z is minus the beam direction
GemHit_time	t_min_ttrigg	hit time from the trigger time
nGemCluster		number of cluster of hits in one event
GemCluster1d_nCluster		same as nGemCluster
GemCluster1d_plane		cluster plane	(0=L1, 1=upper L2, 2=lower L2)
GemCluster1d_view		(2 = Phi, 3 = V)
GemCluster1d_q		cluster charge in fC as sum of hits charge
GemCluster1d_x		coordinate of the cluster (in radiant if V, else in mm) in CC no TPC yet
GemCluster1d_z		cluster position in Z reference Z is minus the beam direction
GemCluster1d_pos		cluster position in X reference