source: tags/Mars-V0.10.1/mgeom/MGeomPix.h

Last change on this file was 7355, checked in by tbretz, 19 years ago
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1#ifndef MARS_MGeomPix
2#define MARS_MGeomPix
3
4#ifndef MARS_MParContainer
5#include "MParContainer.h"
6#endif
7
8class MGeomCam;
9
10class MGeomPix : public MParContainer
11{
12private:
13 static const Float_t gsTan60; // tan(60/kRad2Deg);
14 static const Float_t gsTan30; // tan(30/kRad2Deg);
15
16 enum {
17 kIsInOutermostRing = BIT(22),
18 kIsInOuterRing = BIT(23),
19 kUserBits = 0x1fc000 // 14-21 are allowed
20 };
21
22 Float_t fX; // [mm] the x coordinate of the center
23 Float_t fY; // [mm] the y coordinate of the center
24 Float_t fD; // [mm] the d coordinate of the pixel (dist between two parallel sides)
25 Float_t fA; // [mm^2] Area of the pixel
26
27 Byte_t fNumNeighbors; // number of valid neighbors
28 Short_t fNeighbors[6]; // the IDs of the pixel next to it (we are assuming an hexagonal geometry)
29
30 UInt_t fSector; // Number of sector the pixels corresponds to
31 UInt_t fAidx; // Area index of the pixel
32
33public:
34 MGeomPix(Float_t x=0, Float_t y=0, Float_t d=1, UInt_t s=0, UInt_t aidx=0);
35
36 void Copy(TObject &obj) const
37 {
38 MGeomPix &pix = (MGeomPix&)obj;
39 pix.fX = fX;
40 pix.fY = fY;
41 pix.fD = fD;
42 pix.fA = fA;
43 pix.fNumNeighbors = fNumNeighbors;
44 pix.fSector = fSector;
45 pix.fAidx = fAidx;
46 for (int i=0; i<6; i++)
47 pix.fNeighbors[i] = fNeighbors[i];
48 }
49
50 void Print(Option_t *opt=NULL) const;
51
52 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; }
53
54 void SetNeighbors(Short_t i0=-1, Short_t i1=-1, Short_t i2=-1,
55 Short_t i3=-1, Short_t i4=-1, Short_t i5=-1);
56
57 void CheckOuterRing(const MGeomCam &cam);
58
59 Float_t GetX() const { return fX; }
60 Float_t GetY() const { return fY; }
61 Float_t GetD() const { return fD; }
62 Float_t GetL() const { return fD*gsTan30; } // Length of one of the parallel sides
63 UInt_t GetSector() const { return fSector; }
64
65 Float_t GetDist(const MGeomPix &pix) const { return TMath::Hypot(fX-pix.fX, fY-pix.fY); }
66 Float_t GetAngle(const MGeomPix &pix) const { return TMath::ATan2(fX - pix.GetX(), fY - pix.GetY()); }
67
68
69 Float_t GetA() const { return fA; /*fD*fD*gsTan60/2;*/ }
70 Int_t GetAidx() const { return fAidx; }
71
72 Byte_t GetNumNeighbors() const { return fNumNeighbors; }
73 Short_t GetNeighbor(Byte_t i) const { return fNeighbors[i]; }
74
75 Bool_t IsInOutermostRing() const { return TestBit(kIsInOutermostRing); }
76 Bool_t IsInOuterRing() const { return TestBit(kIsInOuterRing); }
77
78 Bool_t IsInside(Float_t px, Float_t py) const;
79
80 /*
81 //
82 // These function are for future usage. They are not virtual in
83 // root by now.
84 //
85 void SetBit(UInt_t f, Bool_t set) { set ? TObject::SetBit(f) : TObject::ResetBit(f); }
86 void SetBit(UInt_t f) { TObject::SetBit(f & kUserBits); }
87 void ResetBit(UInt_t f) { TObject::ResetBit(f & kUserBits); }
88 void InvertBit(UInt_t f) { TObject InvertBit(f & kUserBits); }
89 */
90
91 ClassDef(MGeomPix, 3) // Geometry class describing the geometry of one pixel
92};
93
94#endif
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