3 from ROOT
import Belle2
5 from ROOT
import gSystem
6 gSystem.Load(
'libtracking')
7 gSystem.Load(
'libtracking_trackFindingCDC')
18 """Validate the track fit"""
22 mc_track_cands_store_array_name,
23 legendre_track_cand_store_array_name,
29 foreach=legendre_track_cand_store_array_name,
30 output_file_name=output_file_name)
40 self.
fast_fitter = Belle2.TrackFindingCDC.TrackFitter()
43 """ Initialize the harvester"""
46 return HarvestingModule.prepare(self)
48 def peel(self, legendre_track_cand):
49 """Aggregate the track and MC information for track-fit validation"""
51 cdc_hit_store_array = self.
cdcHits
55 hits = ROOT.std.vector(
"Belle2::TrackFindingCDC::TrackHit*")()
57 cdc_hit_ids = legendre_track_cand.getHitIDs(Belle2.Const.CDC)
58 for cdc_hit_id
in cdc_hit_ids:
59 cdc_hit = cdc_hit_store_array[cdc_hit_id]
62 if cdc_hit.getISuperLayer() % 2 == 0:
65 wireRefPos2D = cdc_wire_hit.getRefPos2D()
66 drift_length = cdc_wire_hit.getRefDriftLength()
67 observations.append(wireRefPos2D.x(), wireRefPos2D.y(), 0, 1 / abs(drift_length))
68 hits.push_back(Belle2.TrackFindingCDC.TrackHit(cdc_wire_hit))
71 track_par = ROOT.std.pair(
"double, double")()
72 ref_point = ROOT.std.pair(
"double, double")()
74 viktor_chi2 = self.
fast_fitter.fitTrackCandidateFast(hits, track_par, ref_point,
False) * (hits.size() - 4)
79 riemann_chi2 = trajectory2D.getChi2()
82 riemann_chi2=riemann_chi2,
83 viktor_chi2=viktor_chi2,
90 save_tree = refiners.save_tree(folder_name=
"tree")
94 from tracking
import modules
98 """Read generated events or generate new events, simulate, fit the tracks and validate"""
100 """Create and populate the basf2 path"""
102 main_path = super(FitValidation, self).
create_path()
104 main_path.add_module(
"TFCDC_WireHitPreparer")
106 main_path.add_module(modules.CDCMCFinder())
109 legendre_track_cand_store_array_name=
"MCTrackCands",
110 output_file_name=
"fit_validation.root"))
117 run.configure_and_execute_from_commandline()
119 if __name__ ==
"__main__":
120 logging.basicConfig(stream=sys.stdout, level=logging.INFO, format=
'%(levelname)s:%(message)s')