Belle II Software development
CDCSZFitter.h
1/**************************************************************************
2 * basf2 (Belle II Analysis Software Framework) *
3 * Author: The Belle II Collaboration *
4 * *
5 * See git log for contributors and copyright holders. *
6 * This file is licensed under LGPL-3.0, see LICENSE.md. *
7 **************************************************************************/
8#pragma once
9
10namespace Belle2 {
15 namespace TrackFindingCDC {
16 class CDCSZObservations;
17 class CDCObservations2D;
18
19 class CDCTrack;
20 class CDCSegmentPair;
21 class CDCSegment3D;
22 class CDCSegment2D;
23 class CDCTrajectory2D;
24 class CDCTrajectorySZ;
25
28
29 public:
31 static const CDCSZFitter& getFitter();
32
35 CDCTrajectorySZ fitWithStereoHits(const CDCTrack& track) const;
36
38 CDCTrajectorySZ fit(const CDCSegment2D& stereoSegment,
39 const CDCTrajectory2D& axialTrajectory2D) const;
40
42 CDCTrajectorySZ fit(const CDCSegment3D& segment3D) const;
43
45 CDCTrajectorySZ fit(CDCSZObservations observationsSZ) const;
46
48 CDCTrajectorySZ fit(const CDCObservations2D& observations2D) const;
49
51 void update(const CDCSegmentPair& segmentPair) const;
52
54 void update(CDCTrajectorySZ& trajectorySZ,
55 const CDCSegment2D& stereoSegment,
56 const CDCTrajectory2D& axialTrajectory2D) const;
57
59 void update(CDCTrajectorySZ& trajectorySZ, CDCSZObservations& observationsSZ) const;
60 };
61 }
63}
Class serving as a storage of observed drift circles to present to the Riemann fitter.
Class implementing the z coordinate over travel distance line fit.
Definition: CDCSZFitter.h:27
void update(const CDCSegmentPair &segmentPair) const
Updates the trajectory of the axial stereo segment pair inplace.
Definition: CDCSZFitter.cc:163
static const CDCSZFitter & getFitter()
Getter for a standard sz line fitter instance.
Definition: CDCSZFitter.cc:36
CDCTrajectorySZ fitWithStereoHits(const CDCTrack &track) const
Returns the fitted sz trajectory of the track with the z-information of all stereo hits of the number...
Definition: CDCSZFitter.cc:125
CDCTrajectorySZ fit(const CDCSegment2D &stereoSegment, const CDCTrajectory2D &axialTrajectory2D) const
Returns a fitted trajectory.
Definition: CDCSZFitter.cc:139
Class serving as a storage of observed sz positions to present to the sz line fitters.
A reconstructed sequence of two dimensional hits in one super layer.
Definition: CDCSegment2D.h:39
A segment consisting of three dimensional reconstructed hits.
Definition: CDCSegment3D.h:26
Class representing a pair of one reconstructed axial segement and one stereo segment in adjacent supe...
Class representing a sequence of three dimensional reconstructed hits.
Definition: CDCTrack.h:41
Particle trajectory as it is seen in xy projection represented as a circle.
Linear trajectory in sz space.
Abstract base class for different kinds of events.