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, Bool_t global) throw (const Char_t *) : AliAlignObj(volpath,volUId)
40 // standard constructor with 3 translation + 3 rotation parameters
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)
47 SetPars(x, y, z, psi, theta, phi);
49 if(!SetLocalPars(x,y,z,psi,theta,phi)) throw "Alignment object creation failed (TGeo instance needed)!\n";
53 //_____________________________________________________________________________
54 AliAlignObjAngles::AliAlignObjAngles(const char* volpath, UShort_t volUId, TGeoMatrix& m, Bool_t global) throw (const Char_t *) : AliAlignObj(volpath,volUId)
56 // standard constructor with TGeoMatrix
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)
63 if (!SetMatrix(m)) throw "Alignment object creation failed (can't extract roll-pitch-yall angles from the matrix)!\n";
66 if (!SetLocalPars(fTranslation[0],fTranslation[1],fTranslation[2],fRotation[0],fRotation[1],fRotation[2])) throw "Alignment object creation failed (TGeo instance needed)!\n";
70 //_____________________________________________________________________________
71 AliAlignObjAngles::AliAlignObjAngles(const AliAlignObj& theAlignObj) :
72 AliAlignObj(theAlignObj)
77 theAlignObj.GetTranslation(tr);
78 SetTranslation(tr[0],tr[1],tr[2]);
80 if (theAlignObj.GetAngles(rot))
81 SetRotation(rot[0],rot[1],rot[2]);
84 //_____________________________________________________________________________
85 AliAlignObjAngles &AliAlignObjAngles::operator =(const AliAlignObj& theAlignObj)
87 // assignment operator
89 if(this==&theAlignObj) return *this;
90 ((AliAlignObj *)this)->operator=(theAlignObj);
93 theAlignObj.GetTranslation(tr);
94 SetTranslation(tr[0],tr[1],tr[2]);
96 if (theAlignObj.GetAngles(rot))
97 SetRotation(rot[0],rot[1],rot[2]);
102 //_____________________________________________________________________________
103 AliAlignObjAngles::~AliAlignObjAngles()
105 // default destructor
109 //_____________________________________________________________________________
110 void AliAlignObjAngles::SetTranslation(const TGeoMatrix& m)
112 if(m.IsTranslation()){
113 const Double_t* tr = m.GetTranslation();
114 fTranslation[0]=tr[0]; fTranslation[1]=tr[1]; fTranslation[2]=tr[2];
116 fTranslation[0] = fTranslation[1] = fTranslation[2] = 0.;
120 //_____________________________________________________________________________
121 Bool_t AliAlignObjAngles::SetRotation(const TGeoMatrix& m)
124 const Double_t* rot = m.GetRotationMatrix();
125 return MatrixToAngles(rot,fRotation);
127 fRotation[0] = fRotation[1] = fRotation[2] = 0.;
132 //_____________________________________________________________________________
133 void AliAlignObjAngles::GetMatrix(TGeoHMatrix& m) const
135 m.SetTranslation(&fTranslation[0]);
137 AnglesToMatrix(fRotation,rot);
141 //_____________________________________________________________________________
142 AliAlignObj& AliAlignObjAngles::Inverse() const
144 // Return a temporary inverse of the alignment
145 // object. This means 'mis
146 static AliAlignObjAngles a;
151 a.SetMatrix(m.Inverse());