| 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 | public:
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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 | kRightTop,
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| 18 | kRight,
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| 19 | kRightBottom,
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| 20 | kLeftBottom,
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| 21 | kLeft,
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| 22 | kLeftTop
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| 23 | };
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| 24 |
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| 25 | private:
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| 26 | enum {
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| 27 | kIsInOutermostRing = BIT(22),
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| 28 | kIsInOuterRing = BIT(23),
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| 29 | kUserBits = 0x1fc000 // 14-21 are allowed
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| 30 | };
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| 31 |
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| 32 | Float_t fX; // [mm] the x coordinate of the center
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| 33 | Float_t fY; // [mm] the y coordinate of the center
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| 34 | Float_t fD; // [mm] the d coordinate of the pixel (dist between two parallel sides)
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| 35 | Float_t fA; // [mm^2] Area of the pixel
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| 36 |
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| 37 | Byte_t fNumNeighbors; // number of valid neighbors
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| 38 | Short_t fNeighbors[6]; // the IDs of the pixel next to it (we are assuming an hexagonal geometry)
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| 39 |
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| 40 | UInt_t fSector; // Number of sector the pixels corresponds to
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| 41 | UInt_t fAidx; // Area index of the pixel
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| 42 |
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| 43 | public:
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| 44 | MGeomPix(Float_t x=0, Float_t y=0, Float_t d=1, UInt_t s=0, UInt_t aidx=0);
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| 45 |
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| 46 | void Copy(TObject &obj) const
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| 47 | {
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| 48 | MGeomPix &pix = (MGeomPix&)obj;
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| 49 | pix.fX = fX;
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| 50 | pix.fY = fY;
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| 51 | pix.fD = fD;
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| 52 | pix.fA = fA;
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| 53 | pix.fNumNeighbors = fNumNeighbors;
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| 54 | pix.fSector = fSector;
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| 55 | pix.fAidx = fAidx;
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| 56 | for (int i=0; i<6; i++)
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| 57 | pix.fNeighbors[i] = fNeighbors[i];
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| 58 | }
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| 59 |
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| 60 | void Print(Option_t *opt=NULL) const;
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| 61 |
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| 62 | void Set(Float_t x, Float_t y, Float_t d=1, 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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| 63 |
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| 64 | void SetNeighbors(Short_t i0=-1, Short_t i1=-1, Short_t i2=-1,
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| 65 | Short_t i3=-1, Short_t i4=-1, Short_t i5=-1);
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| 66 |
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| 67 | void CheckOuterRing(const MGeomCam &cam);
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| 68 |
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| 69 | Float_t GetX() const { return fX; }
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| 70 | Float_t GetY() const { return fY; }
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| 71 | Float_t GetD() const { return fD; }
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| 72 | Float_t GetL() const { return fD*gsTan30; } // Length of one of the parallel sides
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| 73 | UInt_t GetSector() const { return fSector; }
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| 74 |
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| 75 | Float_t GetDist() const { return TMath::Hypot(fX, fY); }
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| 76 | Float_t GetDist(const MGeomPix &pix) const { return TMath::Hypot(fX-pix.fX, fY-pix.fY); }
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| 77 | Float_t GetAngle(const MGeomPix &pix) const { return TMath::ATan2(fX - pix.GetX(), fY - pix.GetY()); }
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| 78 |
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| 79 | Float_t GetA() const { return fA; /*fD*fD*gsTan60/2;*/ }
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| 80 | Int_t GetAidx() const { return fAidx; }
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| 81 |
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| 82 | Byte_t GetNumNeighbors() const { return fNumNeighbors; }
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| 83 | Short_t GetNeighbor(Byte_t i) const { return fNeighbors[i]; }
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| 84 |
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| 85 | Bool_t IsInOutermostRing() const { return TestBit(kIsInOutermostRing); }
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| 86 | Bool_t IsInOuterRing() const { return TestBit(kIsInOuterRing); }
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| 87 |
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| 88 | Bool_t IsInside(Float_t px, Float_t py) const;
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| 89 | Int_t GetDirection(const MGeomPix &pix) const;
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| 90 |
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| 91 | /*
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| 92 | //
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| 93 | // These function are for future usage. They are not virtual in
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| 94 | // root by now.
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| 95 | //
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| 96 | void SetBit(UInt_t f, Bool_t set) { set ? TObject::SetBit(f) : TObject::ResetBit(f); }
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| 97 | void SetBit(UInt_t f) { TObject::SetBit(f & kUserBits); }
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| 98 | void ResetBit(UInt_t f) { TObject::ResetBit(f & kUserBits); }
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| 99 | void InvertBit(UInt_t f) { TObject InvertBit(f & kUserBits); }
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| 100 | */
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| 101 |
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| 102 | ClassDef(MGeomPix, 3) // Geometry class describing the geometry of one pixel
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| 103 | };
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| 104 |
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| 105 | #endif
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