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File indexing completed on 2025-01-18 09:14:49
0001 //============================================================================== 0002 // AIDA Detector description implementation for LHCb 0003 //------------------------------------------------------------------------------ 0004 // Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN) 0005 // All rights reserved. 0006 // 0007 // For the licensing terms see $DD4hepINSTALL/LICENSE. 0008 // For the list of contributors see $DD4hepINSTALL/doc/CREDITS. 0009 // 0010 // \author Markus Frank 0011 // \date 2018-03-08 0012 // \version 1.0 0013 // 0014 //============================================================================== 0015 #ifndef DE_CTORS_DEFAULT 0016 #pragma error("This header should never be included directly. Inlcude Detector/DetectorElement.h instead!") 0017 #endif 0018 0019 #ifndef DETECTOR_DEIOV_H 0020 #define DETECTOR_DEIOV_H 0021 0022 /// Gaudi namespace declaration 0023 namespace gaudi { 0024 0025 /// Gaudi::detail namespace declaration 0026 namespace detail { 0027 0028 // Forward declarations 0029 class DeIOVObject; 0030 0031 /// Base class for intervall of validity dependent DetectorElement data 0032 /** 0033 * Need to store pointers in the child chache - 0034 * Handles are only defined below and cannot be used here. 0035 * Though: The pointer can directly be assigned to handles. 0036 * 0037 * Note: 0038 * 1) When populating the child chache it is the USER's responsibility 0039 * To use ConditionsMaps with appropriate IOVs! 0040 * 2) The child chache may ONLY be populated while the condition is not 0041 * active ie. during creation/initialization time. Otherwise 0042 * MT races occur! 0043 * 0044 * Concurrentcy notice: 0045 * Except during filling, which is performed by the framework code, 0046 * instances of this class are assumed to the read-only! 0047 * Thread safety hence is no issue. 0048 * 0049 * \author Markus Frank 0050 * \date 2018-03-08 0051 * \version 1.0 0052 */ 0053 class DeIOVObject : public detail::ConditionObject { 0054 DE_CONDITIONS_TYPEDEFS; 0055 typedef DeStatic::Object static_t; 0056 0057 public: 0058 /// Helper to initialize the basic information 0059 DeIOVObject* fill_info(DetElement de, Catalog* cat); 0060 0061 public: 0062 /// Standard constructors and assignment 0063 DE_CTORS_DEFAULT(DeIOVObject); 0064 0065 /// Initialization of sub-classes. May only be called while the condition is NOT active 0066 virtual void initialize(); 0067 /// Fill the child cache. May only be called while the condition is NOT active 0068 void fillCache(ConditionsMap& m); 0069 0070 /// Printout method to stdout 0071 virtual void print(int indent, int flags) const; 0072 /// Check (enforce) the validity of the alignment object if required 0073 void checkAlignment() const; 0074 /// Access daughter elements: IOV dependent part 0075 DeIOVObject* child(DetElement de) const; 0076 0077 public: 0078 /// The static part of the detector element 0079 DeStatic de_static; 0080 /// Cache of static information of the children. 0081 std::map<DetElement,DeIOVObject*> childCache; 0082 /// The dd4hep detector element reference of this gaudi detector element 0083 DetElement detector; 0084 /// All the time dependent conditions 0085 Conditions conditions; 0086 /// The alignment object, which belongs to THIS detectoreleemnt 0087 Alignment detectorAlignment; 0088 /// Alignments for daughter volumes not directly identified by a DetElement 0089 VolumeAlignments volumeAlignments; 0090 0091 /// We want to cache here the matrix from world to local (=inverse world2local) 0092 TGeoHMatrix toLocalMatrix; 0093 /// We want to cache here the delta matrix 0094 TGeoHMatrix deltaMatrix; 0095 /// Initialization flags to steer actions 0096 unsigned short de_flags = 0; 0097 unsigned short de_user = 0; 0098 /// Item key 0099 itemkey_type item_key = 0; 0100 0101 public: 0102 0103 /// Compute key value for caching 0104 static itemkey_type key(const std::string& value) 0105 { return dd4hep::ConditionKey::itemCode(value); } 0106 /// Compute key value for caching 0107 static itemkey_type key(const char* value) 0108 { return dd4hep::ConditionKey::itemCode(value); } 0109 0110 /// Check if the condition identified by 'key' is in the list of conditionrefs. 0111 bool hasCondition(itemkey_type key) const 0112 { return this->condition(key, false).isValid(); } 0113 /// Access condition by hash-key (fast) 0114 Condition condition(itemkey_type key) const; 0115 /// Access condition by hash-key (fast) 0116 Condition condition(itemkey_type key, bool throw_if) const; 0117 0118 /// Check if the condition called 'name' is in the list of conditionrefs. 0119 bool hasCondition(const std::string& nam) const 0120 { return this->condition(nam, false).isValid(); } 0121 /// Access condition by name (slow) 0122 Condition condition(const std::string& name) const; 0123 /// Access condition by name (slow) 0124 Condition condition(const std::string& name, bool throw_if) const; 0125 0126 /// Local -> Global and Global -> Local transformations 0127 XYZPoint toLocal( const XYZPoint& global ) const 0128 { return XYZPoint(detectorAlignment.worldToLocal(XYZVector(global))); } 0129 XYZPoint toGlobal( const XYZPoint& local ) const 0130 { return XYZPoint(detectorAlignment.localToWorld(XYZVector(local))); } 0131 XYZVector toLocal( const XYZVector& globalDirection ) const 0132 { return detectorAlignment.worldToLocal(globalDirection); } 0133 XYZVector toGlobal( const XYZVector& localDirection ) const 0134 { return detectorAlignment.localToWorld(localDirection); } 0135 0136 const TGeoHMatrix& toGlobalMatrix() const { 0137 return detectorAlignment.worldTransformation(); 0138 } 0139 0140 }; 0141 } // End namespace detail 0142 0143 /// Geometry access 0144 /** 0145 * 0146 * \author Markus Frank 0147 * \date 2018-03-08 0148 * \version 1.0 0149 */ 0150 class DeIOVElement : public dd4hep::Handle<detail::DeIOVObject> { 0151 DE_CONDITIONS_TYPEDEFS; 0152 /// Forward definition of the static type for facades 0153 typedef detail::DeStaticObject static_t; 0154 typedef detail::DeIOVObject iov_t; 0155 0156 public: 0157 /// Standard handle assignments and constructors 0158 DE_CTORS_HANDLE(DeIOVElement,Base); 0159 /// Access to the static data 0160 static_t& staticData() const { return access()->de_static; } 0161 }; 0162 } // End namespace gaudi 0163 0164 #endif // DETECTOR_DEIOV_H
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