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File indexing completed on 2025-08-06 08:10:04
0001 // This file is part of the Acts project. 0002 // 0003 // Copyright (C) 2021 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 http://mozilla.org/MPL/2.0/. 0008 0009 #pragma once 0010 0011 #include "Acts/Geometry/GeometryContext.hpp" 0012 #include "Acts/Navigation/NavigationState.hpp" 0013 #include "Acts/Utilities/Delegate.hpp" 0014 0015 namespace Acts { 0016 0017 class Surface; 0018 0019 namespace Experimental { 0020 0021 /// Base class for navigation delegates 0022 /// This allows to define a common Owning delegate 0023 /// schema, which in turn allows for accessing the holder 0024 /// of the delegate implementation for e.g. I/O or display 0025 class INavigationDelegate { 0026 public: 0027 virtual ~INavigationDelegate() = default; 0028 }; 0029 0030 /// Declare an updator for the local navigation, i.e. the 0031 /// navigation inside a detector volume. This can be called 0032 /// either directly after a volume switch or in order to update 0033 /// within a volume after some progression 0034 /// 0035 /// This delegate dispatches the local navigation action 0036 /// to a dedicated struct or function that is optimised for 0037 /// the given environment. 0038 /// 0039 /// @param gctx is the current geometry context 0040 /// @param nState [in,out] is the navigation state to be updated 0041 /// 0042 /// @note it relies on the detector volume to be set to the state 0043 /// Memory managed navigation state updator 0044 using SurfaceCandidatesUpdater = 0045 OwningDelegate<void(const GeometryContext& gctx, NavigationState& nState), 0046 INavigationDelegate>; 0047 0048 /// Declare a Detctor Volume finding or switching delegate 0049 /// 0050 /// @param gctx is the current geometry context 0051 /// @param nState [in, out] is the navigation state to be updated 0052 /// 0053 /// @return the new DetectorVolume into which one changes at this switch 0054 using DetectorVolumeUpdater = 0055 OwningDelegate<void(const GeometryContext& gctx, NavigationState& nState), 0056 INavigationDelegate>; 0057 0058 } // namespace Experimental 0059 } // namespace Acts
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