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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 | |
90dbf5fb | 19 | // AliAlignObjParams derived from the base class AliAlignObj |
befe2c08 | 20 | //----------------------------------------------------------------- |
21 | ||
22 | #include "AliAlignObj.h" | |
90dbf5fb | 23 | #include "AliAlignObjParams.h" |
befe2c08 | 24 | |
90dbf5fb | 25 | ClassImp(AliAlignObjParams) |
befe2c08 | 26 | |
27 | //_____________________________________________________________________________ | |
90dbf5fb | 28 | AliAlignObjParams::AliAlignObjParams() : AliAlignObj() |
befe2c08 | 29 | { |
30 | // default constructor | |
31 | // | |
32 | fTranslation[0]=fTranslation[1]=fTranslation[2]=0.; | |
33 | fRotation[0]=fRotation[1]=fRotation[2]=0.; | |
34 | } | |
35 | ||
36 | //_____________________________________________________________________________ | |
90dbf5fb | 37 | AliAlignObjParams::AliAlignObjParams(const char* symname, 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(symname,volUId) |
befe2c08 | 38 | { |
39 | // standard constructor with 3 translation + 3 rotation parameters | |
48c8e89a | 40 | // If the user explicitly sets the global variable to kFALSE then the |
41 | // parameters are interpreted as giving the local transformation. | |
42 | // This requires to have a gGeoMenager active instance, otherwise the | |
43 | // constructor will fail (no object created) | |
44 | // | |
48c8e89a | 45 | if(global){ |
b760c02e | 46 | SetPars(x, y, z, psi, theta, phi); |
48c8e89a | 47 | }else{ |
48 | if(!SetLocalPars(x,y,z,psi,theta,phi)) throw "Alignment object creation failed (TGeo instance needed)!\n"; | |
49 | } | |
befe2c08 | 50 | } |
51 | ||
52 | //_____________________________________________________________________________ | |
90dbf5fb | 53 | AliAlignObjParams::AliAlignObjParams(const char* symname, UShort_t volUId, TGeoMatrix& m, Bool_t global) throw (const Char_t *) : AliAlignObj(symname,volUId) |
befe2c08 | 54 | { |
55 | // standard constructor with TGeoMatrix | |
b760c02e | 56 | // If the user explicitly sets the global variable to kFALSE then the |
57 | // parameters are interpreted as giving the local transformation. | |
58 | // This requires to have a gGeoMenager active instance, otherwise the | |
59 | // constructor will fail (no object created) | |
befe2c08 | 60 | // |
befe2c08 | 61 | |
b760c02e | 62 | if (!SetMatrix(m)) throw "Alignment object creation failed (can't extract roll-pitch-yall angles from the matrix)!\n"; |
63 | ||
64 | if (!global) { | |
65 | if (!SetLocalPars(fTranslation[0],fTranslation[1],fTranslation[2],fRotation[0],fRotation[1],fRotation[2])) throw "Alignment object creation failed (TGeo instance needed)!\n"; | |
66 | } | |
d9cc42ed | 67 | } |
68 | ||
befe2c08 | 69 | //_____________________________________________________________________________ |
90dbf5fb | 70 | AliAlignObjParams::AliAlignObjParams(const AliAlignObj& theAlignObj) : |
befe2c08 | 71 | AliAlignObj(theAlignObj) |
72 | { | |
73 | // copy constructor | |
74 | // | |
75 | Double_t tr[3]; | |
76 | theAlignObj.GetTranslation(tr); | |
77 | SetTranslation(tr[0],tr[1],tr[2]); | |
78 | Double_t rot[3]; | |
b760c02e | 79 | if (theAlignObj.GetAngles(rot)) |
80 | SetRotation(rot[0],rot[1],rot[2]); | |
ec42f420 | 81 | else |
82 | fRotation[0]=fRotation[1]=fRotation[2]=0.; | |
befe2c08 | 83 | } |
84 | ||
85 | //_____________________________________________________________________________ | |
90dbf5fb | 86 | AliAlignObjParams &AliAlignObjParams::operator =(const AliAlignObj& theAlignObj) |
befe2c08 | 87 | { |
88 | // assignment operator | |
89 | // | |
90 | if(this==&theAlignObj) return *this; | |
91 | ((AliAlignObj *)this)->operator=(theAlignObj); | |
92 | ||
93 | Double_t tr[3]; | |
94 | theAlignObj.GetTranslation(tr); | |
95 | SetTranslation(tr[0],tr[1],tr[2]); | |
96 | Double_t rot[3]; | |
b760c02e | 97 | if (theAlignObj.GetAngles(rot)) |
98 | SetRotation(rot[0],rot[1],rot[2]); | |
99 | ||
befe2c08 | 100 | return *this; |
101 | } | |
102 | ||
103 | //_____________________________________________________________________________ | |
90dbf5fb | 104 | AliAlignObjParams::~AliAlignObjParams() |
befe2c08 | 105 | { |
106 | // default destructor | |
107 | // | |
108 | } | |
109 | ||
110 | //_____________________________________________________________________________ | |
90dbf5fb | 111 | void AliAlignObjParams::SetTranslation(const TGeoMatrix& m) |
befe2c08 | 112 | { |
ff2dbca1 | 113 | // set the translation parameters extracting them from the matrix |
114 | // passed as argument | |
115 | // | |
befe2c08 | 116 | if(m.IsTranslation()){ |
117 | const Double_t* tr = m.GetTranslation(); | |
118 | fTranslation[0]=tr[0]; fTranslation[1]=tr[1]; fTranslation[2]=tr[2]; | |
119 | }else{ | |
befe2c08 | 120 | fTranslation[0] = fTranslation[1] = fTranslation[2] = 0.; |
121 | } | |
122 | } | |
123 | ||
124 | //_____________________________________________________________________________ | |
90dbf5fb | 125 | Bool_t AliAlignObjParams::SetRotation(const TGeoMatrix& m) |
befe2c08 | 126 | { |
ff2dbca1 | 127 | // set the rotation parameters extracting them from the matrix |
128 | // passed as argument | |
129 | // | |
befe2c08 | 130 | if(m.IsRotation()){ |
131 | const Double_t* rot = m.GetRotationMatrix(); | |
132 | return MatrixToAngles(rot,fRotation); | |
133 | }else{ | |
befe2c08 | 134 | fRotation[0] = fRotation[1] = fRotation[2] = 0.; |
135 | return kTRUE; | |
136 | } | |
137 | } | |
138 | ||
befe2c08 | 139 | //_____________________________________________________________________________ |
90dbf5fb | 140 | void AliAlignObjParams::GetMatrix(TGeoHMatrix& m) const |
befe2c08 | 141 | { |
ff2dbca1 | 142 | // get the transformation matrix from the data memebers parameters |
befe2c08 | 143 | m.SetTranslation(&fTranslation[0]); |
144 | Double_t rot[9]; | |
145 | AnglesToMatrix(fRotation,rot); | |
146 | m.SetRotation(rot); | |
147 | } | |
148 | ||
03b18860 | 149 | //_____________________________________________________________________________ |
90dbf5fb | 150 | AliAlignObj& AliAlignObjParams::Inverse() const |
03b18860 | 151 | { |
ff2dbca1 | 152 | // Return a temporary "inverse" of the alignment object, that is return |
153 | // an object with inverted transformation matrix. | |
154 | // | |
90dbf5fb | 155 | static AliAlignObjParams a; |
03b18860 | 156 | a = *this; |
157 | ||
158 | TGeoHMatrix m; | |
159 | GetMatrix(m); | |
160 | a.SetMatrix(m.Inverse()); | |
161 | ||
162 | return a; | |
163 | } |