Acts/Seeding/GbtsTauLookupTable.hpp

0001 // This file is part of the ACTS project.
0002 //
0003 // Copyright (C) 2016 CERN for the benefit of the ACTS project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
0008
0009 #pragma once
0010
0011 #include <vector>
0012
0013 namespace Acts::Experimental {
0014
0015 /// Accepted |cot(theta)| range for one cluster width bin. A cluster near the
0016 /// module edge may be shortened, hence the second pair.
0017 struct GbtsTauBounds final {
0018   /// Minimum accepted |cot(theta)|.
0019   float minTau{};
0020   /// Maximum accepted |cot(theta)|. Negative means undertrained: do not cut.
0021   float maxTau{};
0022   /// Minimum accepted |cot(theta)| near the module edge.
0023   float minTauNearEdge{};
0024   /// Maximum accepted |cot(theta)| near the module edge. Negative as above.
0025   float maxTauNearEdge{};
0026 };
0027
0028 /// Tau bounds per cluster width, one entry per 0.05 mm, indexed not searched.
0029 using GbtsTauLookupTable = std::vector<GbtsTauBounds>;
0030
0031 }  // namespace Acts::Experimental