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ATLASCuts.hpp
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1 // This file is part of the Acts project.
2 //
3 // Copyright (C) 2023 CERN for the benefit of the Acts project
4 //
5 // This Source Code Form is subject to the terms of the Mozilla Public
6 // License, v. 2.0. If a copy of the MPL was not distributed with this
7 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 
9 #pragma once
10 
12 
13 #include <algorithm>
14 
15 namespace Acts {
16 template <typename SpacePoint>
17 class ATLASCuts : public IExperimentCuts<SpacePoint> {
18  public:
24  float seedWeight(const InternalSpacePoint<SpacePoint>& bottom,
25  const InternalSpacePoint<SpacePoint>& middle,
26  const InternalSpacePoint<SpacePoint>& top) const override;
33  bool singleSeedCut(float weight, const InternalSpacePoint<SpacePoint>& bottom,
34  const InternalSpacePoint<SpacePoint>&,
35  const InternalSpacePoint<SpacePoint>&) const override;
36 
40  std::vector<typename CandidatesForMiddleSp<
41  const InternalSpacePoint<SpacePoint>>::value_type>
42  cutPerMiddleSP(std::vector<typename CandidatesForMiddleSp<
43  const InternalSpacePoint<SpacePoint>>::value_type>
44  seedCandidates) const override;
45 };
46 
47 template <typename SpacePoint>
49  const InternalSpacePoint<SpacePoint>& bottom,
50  const InternalSpacePoint<SpacePoint>&,
51  const InternalSpacePoint<SpacePoint>& top) const {
52  float weight = 0;
53  if (bottom.radius() > 150) {
54  weight = 400;
55  }
56  if (top.radius() < 150) {
57  weight = 200;
58  }
59  return weight;
60 }
61 
62 template <typename SpacePoint>
64  float weight, const InternalSpacePoint<SpacePoint>& b,
65  const InternalSpacePoint<SpacePoint>&,
66  const InternalSpacePoint<SpacePoint>&) const {
67  return !(b.radius() > 150. && weight < 380.);
68 }
69 
70 template <typename SpacePoint>
71 std::vector<typename CandidatesForMiddleSp<
72  const InternalSpacePoint<SpacePoint>>::value_type>
74  std::vector<typename CandidatesForMiddleSp<
75  const InternalSpacePoint<SpacePoint>>::value_type>
76  seedCandidates) const {
77  std::vector<typename CandidatesForMiddleSp<
78  const InternalSpacePoint<SpacePoint>>::value_type>
79  newSeedsVector;
80 
81  if (seedCandidates.size() <= 1) {
82  return seedCandidates;
83  }
84 
85  newSeedsVector.push_back(std::move(seedCandidates[0]));
86  std::size_t itLength = std::min(seedCandidates.size(), std::size_t(5));
87  // don't cut first element
88  for (std::size_t i(1); i < itLength; i++) {
89  float weight = seedCandidates[i].weight;
90  const auto& bottom = seedCandidates[i].bottom;
91  if (weight > 200. or bottom->radius() > 43.) {
92  newSeedsVector.push_back(std::move(seedCandidates[i]));
93  }
94  }
95  return newSeedsVector;
96 }
97 } // namespace Acts