source: tags/Mars-V0.9.1/mgeom/MGeomCam.h

Last change on this file was 6338, checked in by tbretz, 20 years ago
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1#ifndef MARS_MGeomCam
2#define MARS_MGeomCam
3
4#ifndef MARS_MParContainer
5#include "MParContainer.h"
6#endif
7#ifndef ROOT_TObjArray
8#include <TObjArray.h>
9#endif
10#ifndef ROOT_TArrayF
11#include <TArrayF.h>
12#endif
13
14class TVector2;
15class TArrayI;
16class MGeomPix;
17
18class MGeomCam : public MParContainer
19{
20private:
21 UInt_t fNumPixels; // Number of pixels in this camera
22
23 Float_t fCamDist; // [m] Average distance of the camera from the mirror
24 Float_t fConvMm2Deg; // conversion factor to convert mm in the camera plain into degrees
25
26 TObjArray fPixels; // Array of singel pixels storing the geometry
27
28 TArrayF fMaxRadius; // maximum radius of the part of the camera with the same pixel size (eg. for GUI layout)
29 TArrayF fMinRadius; // minimum radius of the part of the camera with the same pixel size (eg. for GUI layout)
30 TArrayF fPixRatio; // Array storing the ratio between size of pixel 0 and pixel idx (for speed reasons)
31 TArrayF fPixRatioSqrt; // Array storing the square root ratio between size of pixel 0 and pixel idx (for speed reasons)
32
33 Int_t fNumSectors; // Number of sectors
34 Int_t fNumAreas; // Number of different pixel sizes
35
36protected:
37
38 void CalcMaxRadius();
39 void CalcNumSectors();
40 void CalcNumAreas();
41 void InitOuterRing();
42
43
44public:
45 MGeomCam();
46 MGeomCam(UInt_t npix, Float_t dist, const char *name=NULL, const char *title=NULL);
47
48 virtual TObject *Clone(const char *newname=NULL) const;
49
50 void CalcPixRatio();
51 // FIXME, workaround: this function is made public just to allow
52 // the use of some camera files from the 0.7 beta version in which the
53 // array containing pixel ratios is not initialized.
54 void InitGeometry()
55 {
56 CalcNumSectors();
57 CalcNumAreas();
58 CalcMaxRadius();
59 CalcPixRatio();
60 InitOuterRing();
61 }
62
63 Float_t GetCameraDist() const { return fCamDist; }
64 Float_t GetConvMm2Deg() const { return fConvMm2Deg; }
65
66 UInt_t GetNumPixels() const { return fNumPixels; }
67
68 Float_t GetMaxRadius(const Int_t i=-1) const;
69 Float_t GetMinRadius(const Int_t i=-1) const;
70
71 UInt_t GetNumSectors() const { return fNumSectors; }
72 UInt_t GetNumAreas() const { return fNumAreas; }
73 Float_t GetPixRatio(UInt_t i) const;
74 Float_t GetPixRatioSqrt(UInt_t i) const;
75
76 MGeomPix &operator[](Int_t i);
77 MGeomPix &operator[](Int_t i) const;
78
79 Int_t GetPixelIdx(const TVector2 &v) const;
80 Int_t GetPixelIdxDeg(const TVector2 &v) const;
81 Int_t GetPixelIdxXY(Float_t x, Float_t y) const;
82 Int_t GetPixelIdxXYdeg(Float_t x, Float_t y) const
83 {
84 return GetPixelIdxXY(x/fConvMm2Deg, y/fConvMm2Deg);
85 }
86
87 void GetNeighbors(TArrayI &arr, UInt_t idx, Float_t r) const;
88 void GetNeighbors(TList &arr, UInt_t idx, Float_t r) const;
89 void GetNeighbors(TArrayI &arr, const MGeomPix &pix, Float_t r) const;
90 void GetNeighbors(TList &arr, const MGeomPix &pix, Float_t r) const;
91
92 virtual void Print(Option_t *opt=NULL) const;
93
94 ClassDef(MGeomCam, 4) // Geometry base class for the camera
95};
96
97#endif
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