4 //************************************************************************
5 // AliAlignObj: alignment base class for the storage of the alignment *
6 // constants for a single volume: *
7 // - a displacement (a shift and a rotation) either as *
8 // - the 6 doubles which identify it or as *
9 // - the matrix which identifies it *
10 // - the identity of the volume itself in form of a symbolic volume *
11 // name for alignable volumes, in form of a TGeo path otherwise, *
12 // and as a unique integer identifier *
13 //************************************************************************
16 #include "TGeoMatrix.h"
19 class AliTrackPointArray;
21 class AliAlignObj : public TObject {
25 enum ELayerID{kInvalidLayer=0,
31 kTRD1=9, kTRD2=10, kTRD3=11, kTRD4=12, kTRD5=13, kTRD6=14,
38 AliAlignObj(const char* symname, UShort_t voluid);
39 AliAlignObj(const char* symname, ELayerID detId, Int_t modId);
40 AliAlignObj(const AliAlignObj& theAlignObj);
41 AliAlignObj& operator= (const AliAlignObj& theAlignObj);
42 AliAlignObj& operator*=(const AliAlignObj& theAlignObj);
43 virtual ~AliAlignObj();
46 virtual void SetTranslation(Double_t x, Double_t y, Double_t z) = 0;
47 virtual void SetTranslation(const TGeoMatrix& m) = 0;
48 virtual Bool_t SetLocalTranslation(Double_t x, Double_t y, Double_t z);
49 virtual Bool_t SetLocalTranslation(const TGeoMatrix& m);
50 virtual void SetRotation(Double_t psi, Double_t theta, Double_t phi) = 0;
51 virtual Bool_t SetRotation(const TGeoMatrix& m) = 0;
52 virtual Bool_t SetLocalRotation(Double_t psi, Double_t theta, Double_t phi);
53 virtual Bool_t SetLocalRotation(const TGeoMatrix& m);
54 virtual void SetPars(Double_t x, Double_t y, Double_t z, Double_t psi,
55 Double_t theta, Double_t phi);
56 virtual Bool_t SetLocalPars(Double_t x, Double_t y, Double_t z,
57 Double_t psi, Double_t theta, Double_t phi);
58 virtual Bool_t SetMatrix(const TGeoMatrix& m);
59 virtual Bool_t SetLocalMatrix(const TGeoMatrix& m);
60 void SetSymName(const TString& symname) {fVolPath=symname;}
61 void SetVolUID(UShort_t voluid) {fVolUID=voluid;}
62 void SetVolUID(ELayerID layerId, Int_t modId);
65 const char *GetSymName() const {return fVolPath.Data();}
66 UShort_t GetVolUID() const {return fVolUID;}
67 void GetVolUID(ELayerID &layerId, Int_t &modId) const;
68 virtual void GetTranslation(Double_t* tr) const=0;
69 virtual Bool_t GetLocalTranslation(Double_t* tr) const;
70 virtual Bool_t GetAngles(Double_t* angles) const=0;
71 virtual Bool_t GetLocalAngles(Double_t* angles) const;
72 virtual Bool_t GetPars(Double_t transl[], Double_t angles[]) const;
73 virtual Bool_t GetLocalPars(Double_t transl[], Double_t angles[]) const;
74 virtual void GetMatrix(TGeoHMatrix& m) const=0;
75 virtual Bool_t GetLocalMatrix(TGeoHMatrix& m) const;
77 Bool_t IsSortable() const {return kTRUE;}
78 Int_t GetLevel() const;
79 virtual Int_t Compare(const TObject* obj) const;
81 virtual AliAlignObj& Inverse() const=0;
83 void Transform(AliTrackPoint &p) const;
84 void Transform(AliTrackPointArray &array) const;
86 void Print(Option_t *) const;
88 static Int_t LayerSize(Int_t layerId);
89 static const char* LayerName(Int_t layerId);
91 static UShort_t LayerToVolUID(ELayerID layerId, Int_t modId);
92 static UShort_t LayerToVolUID(Int_t layerId, Int_t modId);
93 static ELayerID VolUIDToLayer(UShort_t voluid, Int_t &modId);
94 static ELayerID VolUIDToLayer(UShort_t voluid);
96 static const char* SymName(UShort_t voluid);
97 static const char* SymName(ELayerID layerId, Int_t modId);
99 Bool_t ApplyToGeometry();
100 static Bool_t GetFromGeometry(const char *symname, AliAlignObj &alobj);
102 static AliAlignObj* GetAlignObj(UShort_t voluid);
103 static AliAlignObj* GetAlignObj(ELayerID layerId, Int_t modId);
105 static Bool_t GetOrigGlobalMatrix(const char *symname, TGeoHMatrix &m);
109 void AnglesToMatrix(const Double_t *angles, Double_t *rot) const;
110 Bool_t MatrixToAngles(const Double_t *rot, Double_t *angles) const;
112 static void InitSymNames();
113 static void InitAlignObjFromGeometry();
116 TString fVolPath; // Symbolic volume name; in case could coincide with
117 // the volume path inside TGeo geometry (for non-alignable volumes)
118 UShort_t fVolUID; // Unique volume ID
120 static Int_t fgLayerSize[kLastLayer - kFirstLayer]; // Size of layers
121 static const char* fgLayerName[kLastLayer - kFirstLayer]; // Name of layers
123 static TString* fgVolPath[kLastLayer - kFirstLayer]; // Symbolic volume names
124 static AliAlignObj** fgAlignObjs[kLastLayer - kFirstLayer]; // Alignment objects
126 ClassDef(AliAlignObj, 2)