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 derived concrete representation of alignment object class:
19 // AliAlignObjMatrix derived from the base class AliAlignObj
20 //-----------------------------------------------------------------
22 #include "AliAlignObj.h"
23 #include "AliAlignObjMatrix.h"
26 ClassImp(AliAlignObjMatrix)
28 //_____________________________________________________________________________
29 AliAlignObjMatrix::AliAlignObjMatrix() :
33 // Default constructor
37 //_____________________________________________________________________________
38 AliAlignObjMatrix::AliAlignObjMatrix(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 *) :
39 AliAlignObj(volpath,volUId),
42 // standard constructor with 3 translation + 3 rotation parameters
43 // If the user explicitly sets the global variable to kFALSE then the
44 // parameters are interpreted as giving the local transformation.
45 // This requires to have a gGeoMenager active instance, otherwise the
46 // constructor will fail (no object created)
49 SetPars(x, y, z, psi, theta, phi);
51 if(!SetLocalPars(x,y,z,psi,theta,phi)) throw "Alignment object creation failed (TGeo instance needed)!\n";
56 //_____________________________________________________________________________
57 AliAlignObjMatrix::AliAlignObjMatrix(const char* volpath, UShort_t volUId, TGeoMatrix& m, Bool_t global) throw (const Char_t *) :
58 AliAlignObj(volpath,volUId),
61 // standard constructor with TGeoMatrix
62 // If the user explicitly sets the global variable to kFALSE then the
63 // parameters are interpreted as giving the local transformation.
64 // This requires to have a gGeoMenager active instance, otherwise the
65 // constructor will fail (no object created)
72 if (!SetLocalMatrix(m)) throw "Alignment object creation failed (TGeo instance needed)!\n";
76 //_____________________________________________________________________________
77 AliAlignObjMatrix::AliAlignObjMatrix(const AliAlignObj& theAlignObj) :
78 AliAlignObj(theAlignObj),
84 theAlignObj.GetTranslation(tr);
85 SetTranslation(tr[0],tr[1],tr[2]);
87 if (theAlignObj.GetAngles(rot))
88 SetRotation(rot[0],rot[1],rot[2]);
91 //_____________________________________________________________________________
92 AliAlignObjMatrix &AliAlignObjMatrix::operator =(const AliAlignObj& theAlignObj)
94 // assignment operator
96 if(this==&theAlignObj) return *this;
97 ((AliAlignObj *)this)->operator=(theAlignObj);
99 theAlignObj.GetTranslation(tr);
100 SetTranslation(tr[0],tr[1],tr[2]);
102 if (theAlignObj.GetAngles(rot))
103 SetRotation(rot[0],rot[1],rot[2]);
108 //_____________________________________________________________________________
109 AliAlignObjMatrix::~AliAlignObjMatrix()
115 //_____________________________________________________________________________
116 void AliAlignObjMatrix::SetTranslation(Double_t x, Double_t y, Double_t z)
119 tr[0]=x; tr[1]=y; tr[2]=z;
120 fMatrix.SetTranslation(tr);
123 //_____________________________________________________________________________
124 void AliAlignObjMatrix::SetTranslation(const TGeoMatrix& m)
126 const Double_t *tr = m.GetTranslation();
127 fMatrix.SetTranslation(tr);
130 //_____________________________________________________________________________
131 void AliAlignObjMatrix::SetRotation(Double_t psi, Double_t theta, Double_t phi)
133 Double_t angles[3] = {psi, theta, phi};
135 AnglesToMatrix(angles,rot);
136 fMatrix.SetRotation(rot);
139 //_____________________________________________________________________________
140 Bool_t AliAlignObjMatrix::SetRotation(const TGeoMatrix& m)
142 const Double_t* rot = m.GetRotationMatrix();
143 fMatrix.SetRotation(rot);
147 //_____________________________________________________________________________
148 void AliAlignObjMatrix::GetTranslation(Double_t *tr) const
150 // Get Translation from TGeoMatrix
151 const Double_t* translation = fMatrix.GetTranslation();
152 tr[0] = translation[0];
153 tr[1] = translation[1];
154 tr[2] = translation[2];
157 //_____________________________________________________________________________
158 Bool_t AliAlignObjMatrix::GetAngles(Double_t *angles) const
160 // Get rotation angles from the TGeoHMatrix
161 const Double_t* rot = fMatrix.GetRotationMatrix();
162 return MatrixToAngles(rot,angles);
165 //_____________________________________________________________________________
166 void AliAlignObjMatrix::GetMatrix(TGeoHMatrix& m) const
170 const Double_t *tr = fMatrix.GetTranslation();
171 m.SetTranslation(tr);
172 const Double_t *rot = fMatrix.GetRotationMatrix();
176 //_____________________________________________________________________________
177 AliAlignObj& AliAlignObjMatrix::Inverse() const
179 // Return a temporary inverse of the alignment
180 // object. This means 'mis
181 static AliAlignObjMatrix a;
186 a.SetMatrix(m.Inverse());