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befe2c08 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | //----------------------------------------------------------------- | |
17 | // Implementation of the alignment object class through | |
18 | // the concrete representation of alignment object class | |
19 | // AliAlignObjAngles derived from the base class AliAlignObj | |
20 | //----------------------------------------------------------------- | |
21 | ||
22 | #include "AliAlignObj.h" | |
23 | #include "AliAlignObjAngles.h" | |
24 | //#include "AliLog.h" | |
25 | ||
26 | ClassImp(AliAlignObjAngles) | |
27 | ||
28 | //_____________________________________________________________________________ | |
03b18860 | 29 | AliAlignObjAngles::AliAlignObjAngles() : AliAlignObj() |
befe2c08 | 30 | { |
31 | // default constructor | |
32 | // | |
33 | fTranslation[0]=fTranslation[1]=fTranslation[2]=0.; | |
34 | fRotation[0]=fRotation[1]=fRotation[2]=0.; | |
35 | } | |
36 | ||
37 | //_____________________________________________________________________________ | |
b760c02e | 38 | AliAlignObjAngles::AliAlignObjAngles(const char* volpath, UShort_t volUId, Double_t x, Double_t y, Double_t z, Double_t psi, Double_t theta, Double_t phi, Bool_t global) throw (const Char_t *) : AliAlignObj(volpath,volUId) |
befe2c08 | 39 | { |
40 | // standard constructor with 3 translation + 3 rotation parameters | |
48c8e89a | 41 | // If the user explicitly sets the global variable to kFALSE then the |
42 | // parameters are interpreted as giving the local transformation. | |
43 | // This requires to have a gGeoMenager active instance, otherwise the | |
44 | // constructor will fail (no object created) | |
45 | // | |
48c8e89a | 46 | if(global){ |
b760c02e | 47 | SetPars(x, y, z, psi, theta, phi); |
48c8e89a | 48 | }else{ |
49 | if(!SetLocalPars(x,y,z,psi,theta,phi)) throw "Alignment object creation failed (TGeo instance needed)!\n"; | |
50 | } | |
befe2c08 | 51 | } |
52 | ||
53 | //_____________________________________________________________________________ | |
b760c02e | 54 | AliAlignObjAngles::AliAlignObjAngles(const char* volpath, UShort_t volUId, TGeoMatrix& m, Bool_t global) throw (const Char_t *) : AliAlignObj(volpath,volUId) |
befe2c08 | 55 | { |
56 | // standard constructor with TGeoMatrix | |
b760c02e | 57 | // If the user explicitly sets the global variable to kFALSE then the |
58 | // parameters are interpreted as giving the local transformation. | |
59 | // This requires to have a gGeoMenager active instance, otherwise the | |
60 | // constructor will fail (no object created) | |
befe2c08 | 61 | // |
befe2c08 | 62 | |
b760c02e | 63 | if (!SetMatrix(m)) throw "Alignment object creation failed (can't extract roll-pitch-yall angles from the matrix)!\n"; |
64 | ||
65 | if (!global) { | |
66 | if (!SetLocalPars(fTranslation[0],fTranslation[1],fTranslation[2],fRotation[0],fRotation[1],fRotation[2])) throw "Alignment object creation failed (TGeo instance needed)!\n"; | |
67 | } | |
d9cc42ed | 68 | } |
69 | ||
befe2c08 | 70 | //_____________________________________________________________________________ |
c5304981 | 71 | AliAlignObjAngles::AliAlignObjAngles(const AliAlignObj& theAlignObj) : |
befe2c08 | 72 | AliAlignObj(theAlignObj) |
73 | { | |
74 | // copy constructor | |
75 | // | |
76 | Double_t tr[3]; | |
77 | theAlignObj.GetTranslation(tr); | |
78 | SetTranslation(tr[0],tr[1],tr[2]); | |
79 | Double_t rot[3]; | |
b760c02e | 80 | if (theAlignObj.GetAngles(rot)) |
81 | SetRotation(rot[0],rot[1],rot[2]); | |
befe2c08 | 82 | } |
83 | ||
84 | //_____________________________________________________________________________ | |
c5304981 | 85 | AliAlignObjAngles &AliAlignObjAngles::operator =(const AliAlignObj& theAlignObj) |
befe2c08 | 86 | { |
87 | // assignment operator | |
88 | // | |
89 | if(this==&theAlignObj) return *this; | |
90 | ((AliAlignObj *)this)->operator=(theAlignObj); | |
91 | ||
92 | Double_t tr[3]; | |
93 | theAlignObj.GetTranslation(tr); | |
94 | SetTranslation(tr[0],tr[1],tr[2]); | |
95 | Double_t rot[3]; | |
b760c02e | 96 | if (theAlignObj.GetAngles(rot)) |
97 | SetRotation(rot[0],rot[1],rot[2]); | |
98 | ||
befe2c08 | 99 | return *this; |
100 | } | |
101 | ||
102 | //_____________________________________________________________________________ | |
103 | AliAlignObjAngles::~AliAlignObjAngles() | |
104 | { | |
105 | // default destructor | |
106 | // | |
107 | } | |
108 | ||
109 | //_____________________________________________________________________________ | |
110 | void AliAlignObjAngles::SetTranslation(const TGeoMatrix& m) | |
111 | { | |
112 | if(m.IsTranslation()){ | |
113 | const Double_t* tr = m.GetTranslation(); | |
114 | fTranslation[0]=tr[0]; fTranslation[1]=tr[1]; fTranslation[2]=tr[2]; | |
115 | }else{ | |
befe2c08 | 116 | fTranslation[0] = fTranslation[1] = fTranslation[2] = 0.; |
117 | } | |
118 | } | |
119 | ||
120 | //_____________________________________________________________________________ | |
121 | Bool_t AliAlignObjAngles::SetRotation(const TGeoMatrix& m) | |
122 | { | |
123 | if(m.IsRotation()){ | |
124 | const Double_t* rot = m.GetRotationMatrix(); | |
125 | return MatrixToAngles(rot,fRotation); | |
126 | }else{ | |
befe2c08 | 127 | fRotation[0] = fRotation[1] = fRotation[2] = 0.; |
128 | return kTRUE; | |
129 | } | |
130 | } | |
131 | ||
befe2c08 | 132 | //_____________________________________________________________________________ |
133 | void AliAlignObjAngles::GetMatrix(TGeoHMatrix& m) const | |
134 | { | |
135 | m.SetTranslation(&fTranslation[0]); | |
136 | Double_t rot[9]; | |
137 | AnglesToMatrix(fRotation,rot); | |
138 | m.SetRotation(rot); | |
139 | } | |
140 | ||
03b18860 | 141 | //_____________________________________________________________________________ |
142 | AliAlignObj& AliAlignObjAngles::Inverse() const | |
143 | { | |
144 | // Return a temporary inverse of the alignment | |
145 | // object. This means 'mis | |
146 | static AliAlignObjAngles a; | |
147 | a = *this; | |
148 | ||
149 | TGeoHMatrix m; | |
150 | GetMatrix(m); | |
151 | a.SetMatrix(m.Inverse()); | |
152 | ||
153 | return a; | |
154 | } |