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df5240ea | 1 | #ifndef ALIITSGEOMMATRIX_H |
2 | #define ALIITSGEOMMATRIX_H | |
3 | /* Copyright(c) 2000, ALICE Experiment at CERN, All rights reserved. * | |
4 | * see cxx source for full Copyright notice. */ | |
5 | /* $Id: */ | |
6 | //////////////////////////////////////////////////////////////////////// | |
7 | // ITS geometry manipulation routines on the module level. This class is | |
8 | // to replace the structure ITS_geom in the class AliITSgeom. | |
9 | // Created May 30 2000. | |
10 | // version 0.0.0 | |
11 | // By Bjorn S. Nilsen | |
12 | //////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | class AliITSgeomMatrix{ | |
15 | public: | |
16 | AliITSgeomMatrix(); // Default constructor | |
17 | AliITSgeomMatrix(const Int_t idt,const Int_t id[3], | |
18 | const Double_t rot[3],const Double_t tran[3]); | |
19 | AliITSgeomMatrix(const Int_t idt,const Int_t id[3], | |
d962cab4 | 20 | Double_t matrix[3][3],const Double_t tran[3]); |
df5240ea | 21 | AliITSgeomMatrix(const Double_t rotd[6]/*degrees Geant angles*/, |
22 | const Int_t idt,const Int_t id[3], | |
23 | const Double_t tran[3]); | |
24 | AliITSgeomMatrix(const AliITSgeomMatrix &source); | |
25 | void operator=(const AliITSgeomMatrix &sourse); // copy | |
26 | virtual ~AliITSgeomMatrix(){}; | |
27 | void print(ostream *os); | |
28 | void PrintTitles(ostream *os); | |
29 | void read(istream *is); | |
30 | ||
31 | void SetAngles(const Double_t rot[3]){// [radians] | |
32 | for(Int_t i=0;i<3;i++)frot[i] = rot[i];this->MatrixFromAngle();} | |
33 | void SetTranslation(const Double_t tran[3]){ | |
34 | for(Int_t i=0;i<3;i++) ftran[i] = tran[i];} | |
d962cab4 | 35 | void SetMatrix(Double_t matrix[3][3]){ for(Int_t i=0;i<3;i++) |
df5240ea | 36 | for(Int_t j=0;j<3;j++) fm[i][j]=matrix[i][j];this->AngleFromMatrix();} |
37 | void SetDetectorIndex(const Int_t idt) {fDetectorIndex = idt;} | |
38 | void SetIndex(const Int_t id[3]){ | |
39 | for(Int_t i=0;i<3;i++) fid[i] = id[i];} | |
40 | void GetAngles(Double_t rot[3]){// [radians] | |
41 | for(Int_t i=0;i<3;i++) rot[i] = frot[i];} | |
42 | void GetTranslation(Double_t tran[3]){ | |
43 | for(Int_t i=0;i<3;i++) tran[i] = ftran[i];} | |
44 | void GetMatrix(Double_t matrix[3][3]){for(Int_t i=0;i<3;i++) | |
45 | for(Int_t j=0;j<3;j++) matrix[i][j] = fm[i][j];} | |
46 | Int_t GetDetectorIndex() {return fDetectorIndex;} | |
47 | void GetIndex(Int_t id[3]){for(Int_t i=0;i<3;i++) id[i] = fid[i];} | |
48 | void MatrixFromSixAngles(const Double_t *ang); | |
49 | void SixAnglesFromMatrix(Double_t *ang); | |
50 | ||
51 | void GtoLPosition(const Double_t g[3],Double_t l[3]); | |
52 | void LtoGPosition(const Double_t l[3],Double_t g[3]); | |
53 | void GtoLMomentum(const Double_t g[3],Double_t l[3]); | |
54 | void LtoGMomentum(const Double_t l[3],Double_t g[3]); | |
d962cab4 | 55 | void GtoLPositionError(Double_t g[3][3],Double_t l[3][3]); |
56 | void LtoGPositionError(Double_t l[3][3],Double_t g[3][3]); | |
df5240ea | 57 | // Tracking Related Routines |
58 | void GtoLPositionTracking(const Double_t g[3],Double_t l[3]); | |
59 | void LtoGPositionTracking(const Double_t l[3],Double_t g[3]); | |
60 | void GtoLMomentumTracking(const Double_t g[3],Double_t l[3]); | |
61 | void LtoGMomentumTracking(const Double_t l[3],Double_t g[3]); | |
d962cab4 | 62 | void GtoLPositionErrorTracking(Double_t g[3][3], |
df5240ea | 63 | Double_t l[3][3]); |
d962cab4 | 64 | void LtoGPositionErrorTracking(Double_t l[3][3], |
df5240ea | 65 | Double_t g[3][3]); |
66 | Double_t Distance2(const Double_t t[3]){Double_t d=0.0,q; | |
67 | for(Int_t i=0;i<3;i++){q = t[i]-ftran[i]; d += q*q;} | |
68 | return d;} | |
69 | private: // private functions | |
70 | void MatrixFromAngle(); | |
71 | void AngleFromMatrix(); | |
72 | private: // Data members. | |
73 | Int_t fDetectorIndex; // Detector type index (like fShapeIndex was) | |
74 | Int_t fid[3]; // layer, ladder, detector numbers. | |
75 | Double_t frot[3]; // vector of rotations about x,y,z [radians]. | |
76 | Double_t ftran[3]; // Translation vector of module x,y,z. | |
77 | Double_t fm[3][3]; // Rotation matrix based on frot. | |
78 | ||
79 | ClassDef(AliITSgeomMatrix,1) // Matrix class used by AliITSgeom. | |
80 | }; | |
81 | // Input and output function for standard C++ input/output. | |
82 | ostream &operator<<(ostream &os,AliITSgeomMatrix &source); | |
83 | istream &operator>>(istream &os,AliITSgeomMatrix &source); | |
84 | ||
85 | #endif |