| 1 | #ifndef MARS_MGeomPix | 
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| 2 | #define MARS_MGeomPix | 
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| 3 |  | 
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| 4 | #ifndef MARS_MParContainer | 
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| 5 | #include "MParContainer.h" | 
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| 6 | #endif | 
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| 7 |  | 
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| 8 | class MGeomCam; | 
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| 9 |  | 
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| 10 | class MGeomPix : public MParContainer | 
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| 11 | { | 
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| 12 | private: | 
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| 13 | static const Float_t gsTan60; // tan(60/kRad2Deg); | 
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| 14 | static const Float_t gsTan30; // tan(30/kRad2Deg); | 
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| 15 |  | 
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| 16 | enum { | 
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| 17 | kIsInOutermostRing = BIT(22), | 
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| 18 | kIsInOuterRing     = BIT(23), | 
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| 19 | kUserBits          = 0x1fc000 // 14-21 are allowed | 
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| 20 | }; | 
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| 21 |  | 
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| 22 | Float_t fX;            // [mm]   the x coordinate of the center | 
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| 23 | Float_t fY;            // [mm]   the y coordinate of the center | 
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| 24 | Float_t fD;            // [mm]   the d coordinate of the pixel (dist between two parallel sides) | 
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| 25 | Float_t fA;            // [mm^2] Area of the pixel | 
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| 26 |  | 
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| 27 | Byte_t  fNumNeighbors; // number of valid neighbors | 
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| 28 | Short_t fNeighbors[6]; // the IDs of the pixel next to it (we are assuming an hexagonal geometry) | 
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| 29 |  | 
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| 30 | UInt_t fSector;        // Number of sector the pixels corresponds to | 
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| 31 | UInt_t fAidx;          // Area index of the pixel | 
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| 32 |  | 
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| 33 | public: | 
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| 34 | MGeomPix(Float_t x=0, Float_t y=0, Float_t d=0, UInt_t s=0, UInt_t aidx=0); | 
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| 35 |  | 
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| 36 | void Copy(TObject &obj) const | 
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| 37 | { | 
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| 38 | MGeomPix &pix = (MGeomPix&)obj; | 
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| 39 | pix.fX = fX; | 
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| 40 | pix.fY = fY; | 
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| 41 | pix.fD = fD; | 
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| 42 | pix.fA = fA; | 
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| 43 | pix.fNumNeighbors = fNumNeighbors; | 
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| 44 | pix.fSector = fSector; | 
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| 45 | pix.fAidx = fAidx; | 
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| 46 | for (int i=0; i<6; i++) | 
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| 47 | pix.fNeighbors[i] = fNeighbors[i]; | 
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| 48 | } | 
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| 49 |  | 
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| 50 | void Print(Option_t *opt=NULL) const; | 
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| 51 |  | 
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| 52 | void Set(Float_t x, Float_t y, Float_t d, UInt_t s=0, UInt_t aidx=0) { fX=x; fY=y; fD=d; fA=d*d*gsTan60/2; fSector=s; fAidx=aidx; } | 
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| 53 |  | 
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| 54 | void SetNeighbors(Short_t i0=-1, Short_t i1=-1, Short_t i2=-1, | 
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| 55 | Short_t i3=-1, Short_t i4=-1, Short_t i5=-1); | 
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| 56 |  | 
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| 57 | void CheckOuterRing(const MGeomCam &cam); | 
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| 58 |  | 
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| 59 | Float_t GetX() const  { return fX; } | 
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| 60 | Float_t GetY() const  { return fY; } | 
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| 61 | Float_t GetD() const  { return fD; } | 
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| 62 | Float_t GetL() const  { return fD*gsTan30; } // Length of one of the parallel sides | 
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| 63 | UInt_t  GetSector() const { return fSector; } | 
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| 64 |  | 
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| 65 | Float_t GetDist(const MGeomPix & pix) const  { return TMath::Hypot(fX-pix.fX, fY-pix.fY); } | 
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| 66 |  | 
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| 67 | Float_t GetA() const    { return fA; /*fD*fD*gsTan60/2;*/ } | 
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| 68 | Int_t   GetAidx() const { return fAidx; } | 
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| 69 |  | 
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| 70 | Byte_t  GetNumNeighbors() const { return fNumNeighbors; } | 
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| 71 | Short_t GetNeighbor(Byte_t i) const { return fNeighbors[i]; } | 
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| 72 |  | 
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| 73 | Bool_t IsInOutermostRing() const { return TestBit(kIsInOutermostRing); } | 
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| 74 | Bool_t IsInOuterRing() const     { return TestBit(kIsInOuterRing); } | 
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| 75 |  | 
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| 76 | Bool_t IsInside(Float_t px, Float_t py) const; | 
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| 77 |  | 
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| 78 | /* | 
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| 79 | // | 
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| 80 | // These function are for future usage. They are not virtual in | 
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| 81 | // root by now. | 
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| 82 | // | 
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| 83 | void SetBit(UInt_t f, Bool_t set) { set ? TObject::SetBit(f) : TObject::ResetBit(f); } | 
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| 84 | void SetBit(UInt_t f)    { TObject::SetBit(f & kUserBits); } | 
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| 85 | void ResetBit(UInt_t f)  { TObject::ResetBit(f & kUserBits); } | 
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| 86 | void InvertBit(UInt_t f) { TObject InvertBit(f & kUserBits); } | 
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| 87 | */ | 
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| 88 |  | 
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| 89 | ClassDef(MGeomPix, 3) // Geometry class describing the geometry of one pixel | 
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| 90 | }; | 
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| 91 |  | 
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| 92 | #endif | 
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