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 | class TVector2;
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10 |
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11 | class MGeomPix : public MParContainer
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12 | {
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13 | public:
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14 | static const Float_t gsTan60; // tan(60/kRad2Deg);
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15 | static const Float_t gsTan30; // tan(30/kRad2Deg);
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16 |
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17 | enum {
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18 | kRightTop,
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19 | kRight,
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20 | kRightBottom,
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21 | kLeftBottom,
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22 | kLeft,
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23 | kLeftTop
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24 | };
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25 |
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26 | private:
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27 | enum {
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28 | kIsInOutermostRing = 0,
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29 | kIsInOuterRing = 1,
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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 | Byte_t fUserBits;
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44 |
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45 | public:
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46 | 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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47 |
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48 | void Copy(TObject &obj) const
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49 | {
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50 | MGeomPix &pix = (MGeomPix&)obj;
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51 | pix.fX = fX;
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52 | pix.fY = fY;
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53 | pix.fD = fD;
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54 | pix.fA = fA;
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55 | pix.fNumNeighbors = fNumNeighbors;
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56 | pix.fSector = fSector;
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57 | pix.fAidx = fAidx;
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58 | pix.fUserBits = fUserBits;
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59 | for (int i=0; i<6; i++)
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60 | pix.fNeighbors[i] = fNeighbors[i];
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61 |
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62 | TObject::Copy(obj);
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63 | }
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64 |
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65 | void Print(Option_t *opt=NULL) const;
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66 |
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67 | 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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68 |
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69 | void SetNeighbors(Short_t i0=-1, Short_t i1=-1, Short_t i2=-1,
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70 | Short_t i3=-1, Short_t i4=-1, Short_t i5=-1);
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71 |
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72 | void CheckOuterRing(const MGeomCam &cam);
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73 |
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74 | Float_t GetX() const { return fX; }
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75 | Float_t GetY() const { return fY; }
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76 | Float_t GetD() const { return fD; }
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77 | Float_t GetL() const { return fD*gsTan30; } // Length of one of the parallel sides
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78 | UInt_t GetSector() const { return fSector; }
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79 |
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80 | TVector2 GetP() const;
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81 |
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82 | Float_t GetDist() const;
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83 | Float_t GetDist(const MGeomPix &pix) const;
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84 | Float_t GetAngle(const MGeomPix &pix) const;
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85 |
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86 | Float_t GetA() const { return fA; /*fD*fD*gsTan60/2;*/ }
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87 | Int_t GetAidx() const { return fAidx; }
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88 |
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89 | Byte_t GetNumNeighbors() const { return fNumNeighbors; }
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90 | Short_t GetNeighbor(Byte_t i) const { return fNeighbors[i]; }
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91 |
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92 | Bool_t IsInOutermostRing() const { return TESTBIT(fUserBits, kIsInOutermostRing); }
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93 | Bool_t IsInOuterRing() const { return TESTBIT(fUserBits, kIsInOuterRing); }
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94 |
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95 | Bool_t IsInside(Float_t px, Float_t py) const;
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96 | Int_t GetDirection(const MGeomPix &pix) const;
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97 |
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98 | ClassDef(MGeomPix, 4) // Geometry class describing the geometry of one pixel
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99 | };
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100 |
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101 | #endif
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