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() : AliAlignObj()
31 // Default constructor
35 //_____________________________________________________________________________
36 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) : AliAlignObj(volpath, voluid)
38 // standard constructor with 3 translation + 3 rotation parameters
40 SetTranslation(x, y, z);
41 SetRotation(psi, theta, phi);
44 //_____________________________________________________________________________
45 AliAlignObjMatrix::AliAlignObjMatrix(const char* volpath, ELayerID layerId, 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(volpath,layerId,volId)
47 // standard constructor with 3 translation + 3 rotation parameters
48 // If the user explicitly sets the global variable to kFALSE then the
49 // parameters are interpreted as giving the local transformation.
50 // This requires to have a gGeoMenager active instance, otherwise the
51 // constructor will fail (no object created)
54 SetTranslation(x, y, z);
55 SetRotation(psi, theta, phi);
57 if(!SetLocalPars(x,y,z,psi,theta,phi)) throw "Alignment object creation failed (TGeo instance needed)!\n";
62 //_____________________________________________________________________________
63 AliAlignObjMatrix::AliAlignObjMatrix(const char* volpath, UShort_t volUID, TGeoMatrix& m) : AliAlignObj(volpath,volUID)
65 // standard constructor with TGeoMatrix
71 //_____________________________________________________________________________
72 AliAlignObjMatrix::AliAlignObjMatrix(const char* volpath, ELayerID layerId, Int_t volId, TGeoMatrix& m) : AliAlignObj(volpath,layerId,volId)
74 // standard constructor with TGeoMatrix
80 //_____________________________________________________________________________
81 AliAlignObjMatrix::AliAlignObjMatrix(const AliAlignObj& theAlignObj) :
82 AliAlignObj(theAlignObj)
87 theAlignObj.GetTranslation(tr);
88 SetTranslation(tr[0],tr[1],tr[2]);
90 theAlignObj.GetAngles(rot);
91 SetRotation(rot[0],rot[1],rot[2]);
94 //_____________________________________________________________________________
95 AliAlignObjMatrix &AliAlignObjMatrix::operator =(const AliAlignObj& theAlignObj)
97 // assignment operator
99 if(this==&theAlignObj) return *this;
100 ((AliAlignObj *)this)->operator=(theAlignObj);
102 theAlignObj.GetTranslation(tr);
103 SetTranslation(tr[0],tr[1],tr[2]);
105 theAlignObj.GetAngles(rot);
106 SetRotation(rot[0],rot[1],rot[2]);
110 //_____________________________________________________________________________
111 AliAlignObjMatrix::~AliAlignObjMatrix()
117 //_____________________________________________________________________________
118 void AliAlignObjMatrix::SetTranslation(Double_t x, Double_t y, Double_t z)
121 tr[0]=x; tr[1]=y; tr[2]=z;
122 fMatrix.SetTranslation(tr);
125 //_____________________________________________________________________________
126 void AliAlignObjMatrix::SetTranslation(const TGeoMatrix& m)
128 const Double_t *tr = m.GetTranslation();
129 fMatrix.SetTranslation(tr);
132 //_____________________________________________________________________________
133 void AliAlignObjMatrix::SetRotation(Double_t psi, Double_t theta, Double_t phi)
135 Double_t angles[3] = {psi, theta, phi};
137 AnglesToMatrix(angles,rot);
138 fMatrix.SetRotation(rot);
141 //_____________________________________________________________________________
142 Bool_t AliAlignObjMatrix::SetRotation(const TGeoMatrix& m)
144 const Double_t* rot = m.GetRotationMatrix();
145 fMatrix.SetRotation(rot);
149 //_____________________________________________________________________________
150 void AliAlignObjMatrix::SetMatrix(const TGeoMatrix& m)
152 // Set rotation matrix and translation
158 //_____________________________________________________________________________
159 void AliAlignObjMatrix::SetPars(Double_t x, Double_t y, Double_t z,
160 Double_t psi, Double_t theta, Double_t phi)
162 // Set rotation matrix and translation
163 // using 3 angles and 3 translations
164 SetTranslation(x,y,z);
165 SetRotation(psi,theta,phi);
168 //_____________________________________________________________________________
169 void AliAlignObjMatrix::GetTranslation(Double_t *tr) const
171 // Get Translation from TGeoMatrix
172 const Double_t* translation = fMatrix.GetTranslation();
173 tr[0] = translation[0];
174 tr[1] = translation[1];
175 tr[2] = translation[2];
178 //_____________________________________________________________________________
179 Bool_t AliAlignObjMatrix::GetAngles(Double_t *angles) const
181 // Get rotation angles from the TGeoHMatrix
182 const Double_t* rot = fMatrix.GetRotationMatrix();
183 return MatrixToAngles(rot,angles);
186 //_____________________________________________________________________________
187 void AliAlignObjMatrix::GetPars(Double_t tr[], Double_t angles[]) const
193 //_____________________________________________________________________________
194 void AliAlignObjMatrix::GetMatrix(TGeoHMatrix& m) const
198 const Double_t *tr = fMatrix.GetTranslation();
199 m.SetTranslation(tr);
200 const Double_t *rot = fMatrix.GetRotationMatrix();
204 //_____________________________________________________________________________
205 AliAlignObj& AliAlignObjMatrix::Inverse() const
207 // Return a temporary inverse of the alignment
208 // object. This means 'mis
209 static AliAlignObjMatrix a;
214 a.SetMatrix(m.Inverse());