source: trunk/MagicSoft/Mars/msimreflector/MMirror.h@ 9271

Last change on this file since 9271 was 9236, checked in by tbretz, 16 years ago
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1#ifndef MARS_MMirror
2#define MARS_MMirror
3
4#ifndef ROOT_TRotation
5#include <TRotation.h>
6#endif
7
8class MQuaternion;
9
10class MMirror : public TObject
11{
12 friend void operator/=(MQuaternion &, const MMirror &);
13 friend void operator*=(MQuaternion &, const MMirror &);
14 friend void operator-=(MQuaternion &, const MMirror &);
15 friend void operator+=(MQuaternion &, const MMirror &);
16
17private:
18 TVector3 fPos;
19 TVector3 fNorm; // faster without
20
21 TRotation fTilt;
22
23 // ----- Spherical mirror data members -----
24 Double_t fFocalLength;
25 Double_t fSigmaPSF;
26
27 // MMirror *fNeighbors[964];
28
29public:
30 MMirror() : fSigmaPSF(-1)
31 {
32 }
33
34 // ----- Mirror basic functions -----
35 TVector2 operator-(const MQuaternion &q) const;// { return TVector2(X()-q.X(), Y()-q.Y()); }
36 TVector2 operator-(const MMirror &m) const;// { return TVector2(X()-m.X(), Y()-m.Y()); }
37
38 void SetPosition(const TVector3 &v) { fPos = v; }
39 void SetNorm(const TVector3 &n) {
40 fNorm = n;
41
42 fTilt = TRotation();
43 // Can be simplified?? rotate the mirror along
44 // perpendicular to its normal projected to x/y and z
45 // by its "zenith angle"
46 fTilt.Rotate(-n.Theta(), TVector3(-n.Y(), n.X(), 0));
47 }
48
49 Double_t X() const { return fPos.X(); }
50 Double_t Y() const { return fPos.Y(); }
51
52 TVector2 GetPosXY() const { return fPos.XYvector(); }
53 const TVector3 &GetPos() const { return fPos; }
54 const TVector3 &GetNorm() const { return fNorm; }
55
56 Double_t GetDist() const { return fPos.Perp(); }
57
58 virtual Double_t GetMaxR() const=0;// { return TMath::Max(fMaxRX, fMaxRY); }
59
60 TVector3 SimPSF(const TVector3 &n, Double_t F, Double_t psf) const;
61
62 Bool_t ExecuteMirror(MQuaternion &p, MQuaternion &u) const;
63
64 // ----- Basic function for parabolic mirror -----
65 void SetFocalLength(Double_t f) { fFocalLength = f; }
66 Double_t GetFocalLength() const { return fFocalLength; }
67
68 Bool_t ExecuteReflection(MQuaternion &p, MQuaternion &u) const;
69
70 // ----- Mirror specialized functions -----
71
72 // This should fit with Paint()
73 virtual Bool_t HasHit(const MQuaternion &p) const=0;
74 // This should fit with HasHit()
75 //void Paint(Option_t *)=0;
76 virtual Bool_t CanHit(const MQuaternion &p) const=0;
77
78 virtual Int_t ReadM(const TObjArray &tok)=0;
79
80 /*
81 Bool_t IsSortable() const { return kTRUE; }
82 Int_t Compare(const TObject *obj) const
83 {
84 MMirror &m = (MMirror&)*obj;
85 return m.fPos.Mag2()<fPos.Mag2();
86 }
87 */
88 ClassDef(MMirror, 0) // Base class to describe a mirror
89};
90
91#endif
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