1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
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 //-----------------------------------------------------------------
22 #include "AliAlignObj.h"
23 #include "AliAlignObjAngles.h"
26 ClassImp(AliAlignObjAngles)
28 //_____________________________________________________________________________
29 AliAlignObjAngles::AliAlignObjAngles() : AliAlignObj()
31 // default constructor
33 fTranslation[0]=fTranslation[1]=fTranslation[2]=0.;
34 fRotation[0]=fRotation[1]=fRotation[2]=0.;
37 //_____________________________________________________________________________
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) : AliAlignObj()
40 // standard constructor with 3 translation + 3 rotation parameters
44 fTranslation[0]=x; fTranslation[1]=y; fTranslation[2]=z;
45 fRotation[0]=psi; fRotation[1]=theta; fRotation[2]=phi;
48 //_____________________________________________________________________________
49 AliAlignObjAngles::AliAlignObjAngles(const char* volpath, ELayerID detId, Int_t volId, 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()
51 // standard constructor with 3 translation + 3 rotation parameters
52 // If the user explicitly sets the global variable to kFALSE then the
53 // parameters are interpreted as giving the local transformation.
54 // This requires to have a gGeoMenager active instance, otherwise the
55 // constructor will fail (no object created)
58 SetVolUID(detId,volId);
60 fTranslation[0]=x; fTranslation[1]=y; fTranslation[2]=z;
61 fRotation[0]=psi; fRotation[1]=theta; fRotation[2]=phi;
63 if(!SetLocalPars(x,y,z,psi,theta,phi)) throw "Alignment object creation failed (TGeo instance needed)!\n";
67 //_____________________________________________________________________________
68 AliAlignObjAngles::AliAlignObjAngles(const char* volpath, UShort_t voluid, TGeoMatrix& m) : AliAlignObj()
70 // standard constructor with TGeoMatrix
78 //_____________________________________________________________________________
79 AliAlignObjAngles::AliAlignObjAngles(const AliAlignObj& theAlignObj) :
80 AliAlignObj(theAlignObj)
85 theAlignObj.GetTranslation(tr);
86 SetTranslation(tr[0],tr[1],tr[2]);
88 theAlignObj.GetAngles(rot);
89 SetRotation(rot[0],rot[1],rot[2]);
92 //_____________________________________________________________________________
93 AliAlignObjAngles &AliAlignObjAngles::operator =(const AliAlignObj& theAlignObj)
95 // assignment operator
97 if(this==&theAlignObj) return *this;
98 ((AliAlignObj *)this)->operator=(theAlignObj);
101 theAlignObj.GetTranslation(tr);
102 SetTranslation(tr[0],tr[1],tr[2]);
104 theAlignObj.GetAngles(rot);
105 SetRotation(rot[0],rot[1],rot[2]);
109 //_____________________________________________________________________________
110 AliAlignObjAngles::~AliAlignObjAngles()
112 // default destructor
116 //_____________________________________________________________________________
117 void AliAlignObjAngles::SetTranslation(const TGeoMatrix& m)
119 if(m.IsTranslation()){
120 const Double_t* tr = m.GetTranslation();
121 fTranslation[0]=tr[0]; fTranslation[1]=tr[1]; fTranslation[2]=tr[2];
123 // AliWarning("Argument matrix is not a translation! Setting zero-translation.");
124 fTranslation[0] = fTranslation[1] = fTranslation[2] = 0.;
128 //_____________________________________________________________________________
129 Bool_t AliAlignObjAngles::SetRotation(const TGeoMatrix& m)
132 const Double_t* rot = m.GetRotationMatrix();
133 return MatrixToAngles(rot,fRotation);
135 // AliWarning("Argument matrix is not a rotation! Setting yaw-pitch-roll to zero.");
136 fRotation[0] = fRotation[1] = fRotation[2] = 0.;
141 //_____________________________________________________________________________
142 void AliAlignObjAngles::SetMatrix(const TGeoMatrix& m)
148 //_____________________________________________________________________________
149 void AliAlignObjAngles::GetPars(Double_t tr[], Double_t angles[]) const
155 //_____________________________________________________________________________
156 void AliAlignObjAngles::GetMatrix(TGeoHMatrix& m) const
158 m.SetTranslation(&fTranslation[0]);
160 AnglesToMatrix(fRotation,rot);
164 //_____________________________________________________________________________
165 AliAlignObj& AliAlignObjAngles::Inverse() const
167 // Return a temporary inverse of the alignment
168 // object. This means 'mis
169 static AliAlignObjAngles a;
174 a.SetMatrix(m.Inverse());