Belle II Software  release-05-01-25
Scrooge.h
1 /**************************************************************************
2  * BASF2 (Belle Analysis Framework 2) *
3  * Copyright(C) 2010 - Belle II Collaboration *
4  * *
5  * Author: The Belle II Collaboration *
6  * Contributors: Martin Heck *
7  * *
8  * This software is provided "as is" without any warranty. *
9  **************************************************************************/
10 #pragma once
11 
12 #include <tracking/trackFindingVXD/trackSetEvaluator/OverlapResolverNodeInfo.h>
13 
14 #include <vector>
15 #include <algorithm>
16 
17 namespace Belle2 {
28  class Scrooge {
29  public:
35  void performSelection(std::vector <OverlapResolverNodeInfo>& overlapResolverNodeInfo)
36  {
37  //sort the vector according to the QI supplied.
38  std::sort(overlapResolverNodeInfo.begin(), overlapResolverNodeInfo.end(),
39  [](OverlapResolverNodeInfo const & lhs, OverlapResolverNodeInfo const & rhs) -> bool {
40  return lhs.qualityIndicator > rhs.qualityIndicator;
41  });
42 
43  //kill all tracks, that have overlaps and lower QI:
44  auto endOfOverlapResolverNodeInfo = overlapResolverNodeInfo.cend();
45  for (auto trackIter = overlapResolverNodeInfo.begin(); trackIter != endOfOverlapResolverNodeInfo; trackIter++) {
46  if (!trackIter->activityState) continue;
47  for (auto testTrackIter = trackIter; testTrackIter != endOfOverlapResolverNodeInfo; testTrackIter++) {
48  if (std::find(trackIter->overlaps.begin(), trackIter->overlaps.end(), testTrackIter->trackIndex) !=
49  trackIter->overlaps.end()) {
50  testTrackIter->activityState = 0.;
51  }
52  }
53  }
54  }
55  };
57 }
Belle2::OverlapResolverNodeInfo
Struct for holding information needed by overlap resolving algorithms for one node.
Definition: OverlapResolverNodeInfo.h:32
Belle2::Scrooge::performSelection
void performSelection(std::vector< OverlapResolverNodeInfo > &overlapResolverNodeInfo)
Sets the isActive flag in m_qiTrackOverlap to false, for killed tracks.
Definition: Scrooge.h:43
Belle2
Abstract base class for different kinds of events.
Definition: MillepedeAlgorithm.h:19