/[PAMELA software]/DarthVader/TrackerLevel2/inc/TrkLevel2.h
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Annotation of /DarthVader/TrackerLevel2/inc/TrkLevel2.h

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Revision 1.2 - (hide annotations) (download)
Thu Jun 1 09:03:09 2006 UTC (18 years, 6 months ago) by pam-fi
Branch: MAIN
Changes since 1.1: +17 -3 lines
File MIME type: text/plain
Tracking routine updated in order to get track projected angles and track length

1 mocchiut 1.1 /**
2     * \file TrkLevel2.h
3     * \author Elena Vannuccini
4     */
5     #ifndef trklevel2_h
6     #define trklevel2_h
7    
8     #include <TObject.h>
9     #include <TObjArray.h>
10     #include <TClonesArray.h>
11     #include <TrkStruct.h>
12    
13 pam-fi 1.2 // z-coordinate of track state-vector reference-plane
14     #define ZINI 23.5
15     // upper and lower (mechanical) z-coordinate of the tracker
16     #define ZTRKUP 22.29
17     #define ZTRKDW -22.22
18    
19    
20 mocchiut 1.1 /**
21     * \brief Class to describe, by points, a particle trajectory in the apparatus.
22     *
23     * The idea is to create it by integrating the equations of motion, given the
24     * track state vector and the z coordinates where to evaluate track position.
25     */
26     // ==================================================================
27     class Trajectory : public TObject{
28     private:
29    
30     public:
31    
32     int npoint; ///< number of evaluated points along the trajectory
33     float* x; ///< x coordinates
34     float* y; ///< y coordinates
35     float* z; ///< z coordinates
36 pam-fi 1.2 float* thx; ///< x projected angle
37     float* thy; ///< y projected angle
38     float* tl; ///< track length
39 mocchiut 1.1
40 pam-fi 1.2 Trajectory();
41 mocchiut 1.1 Trajectory(int n);
42     Trajectory(int n, float* pz);
43     void Dump();
44    
45 pam-fi 1.2 float GetLength(){float l=0; for(int i=0; i<npoint;i++)l=l+tl[i]; return l;};
46     float GetLength(int,int);
47    
48 mocchiut 1.1 ClassDef(Trajectory,1);
49    
50     };
51     /**
52     * \brief Class to describe fitted tracks.
53     *
54     * A track is defined by the measured coordinates associated to it, the
55     * track status vector, plus other quantities.
56     * A track may have an "image", due to the ambiguity in the y view.
57     */
58     // ==================================================================
59     class TrkTrack : public TObject {
60    
61     private:
62    
63     public:
64    
65     float al[5]; ///<TRACK STATE VECTOR
66     float coval[5][5]; ///<covariance matrix
67     int xgood[6]; ///<mask of included x planes
68     int ygood[6]; ///<mask of included y planes
69     float xm[6]; ///<measured x coordinates
70     float ym[6]; ///<measured y coordinates
71     float zm[6]; ///<measured z coordinates
72     float resx[6]; ///<spatial resolution on X view
73     float resy[6]; ///<spatial resolution on y view
74     float chi2; ///<chi2
75     float xv[6]; ///<calculated x coordinates
76     float yv[6]; ///<calculated y coordinates
77     float zv[6]; ///<calculated z coordinates
78     float axv[6]; ///<calculated angles (deg) on x view
79     float ayv[6]; ///<calculated angles (deg) on y view
80     float dedx_x[6]; ///<signal in MIP (scaled to 300 micrometer)
81     float dedx_y[6]; ///<signal in MIP (scaled to 300 micrometer)
82     int image; ///<flag to tag track-images
83    
84     TrkTrack();
85     TrkTrack(const TrkTrack&);
86    
87     void Dump();
88    
89     Bool_t HasImage(){return !(image==-1);} ///< Returns true if the track has an image
90 pam-fi 1.2 int DoTrack(Trajectory* t); ///< Evaluates the trajectory in the apparatus.
91     int DoTrack2(Trajectory* t); ///< Evaluates the trajectory in the apparatus.
92     float BdL(){return 0;}; ///< Evaluates the integral of B*dL along the track.
93 mocchiut 1.1 Int_t GetNX(){Int_t n=0; for(Int_t i=0; i<6; i++)n+=xgood[i]; return n;};
94     Int_t GetNY(){Int_t n=0; for(Int_t i=0; i<6; i++)n+=ygood[i]; return n;};
95     Float_t GetRigidity();
96     Float_t GetDeflection();
97     Float_t GetDEDX();
98    
99     TrkTrack* GetTrkTrack(){return this;};
100    
101     ClassDef(TrkTrack,1);
102    
103     };
104     /**
105     * \brief Class to describe single clusters ("singlets").
106     *
107     * Single clusters are clusters not associated to any track.
108     */
109     class TrkSinglet : public TObject {
110    
111     private:
112    
113     public:
114    
115     int plane; ///<plane
116     float coord[2]; ///<coordinate (on sensor 1 and 2)
117     float sgnl; ///<cluster signal in MIP
118    
119     TrkSinglet();
120     TrkSinglet(const TrkSinglet&);
121    
122     void Dump();
123    
124     ClassDef(TrkSinglet,1);
125    
126     };
127    
128     /**
129     * \brief Class to describe tracker LEVEL2 data.
130     *
131     * A tracker events is defined by some general variables, plus the collection of all the fitted tracks and all
132     * single clusters on X and Y views.
133     * Tracks and single clusters ("singlets") are described by the classes TrkTrack and TrkSinglet respectivelly.
134     *
135     * Each track may have an "image", due to the ambiguity on the Y view, which is stored also.
136     * Thus, the number of stored tracks ( ntrk() ) differs from the number of "physical" tracks ( GetNTracks() ).
137     * Proper methods allow to sort tracks and select the physical ones ( GetTracks() ).
138     */
139     class TrkLevel2 : public TObject {
140    
141     private:
142    
143     public:
144    
145    
146    
147     Int_t good2;
148     Int_t crc[12];
149    
150     TClonesArray *Track; ///< fitted tracks
151     TClonesArray *SingletX; ///< x singlets
152     TClonesArray *SingletY; ///< y singlets
153    
154     TrkLevel2();
155     // TrkLevel2(cTrkLevel2 *);
156    
157     int ntrk(){return Track->GetEntries();} ///< number of stored track
158     int nclsx(){return SingletX->GetEntries();} ///< number of x singlets
159     int nclsy(){return SingletY->GetEntries();} ///< number of y singlets
160    
161     void Dump();
162     void FillCommonVar(cTrkLevel2 *);
163     void Clear();
164     void LoadField(TString);
165    
166     TrkTrack *GetStoredTrack(int i);
167     TClonesArray *GetTracks();
168    
169     int GetNTracks(){return this->GetTracks()->GetEntries();}
170     TrkTrack* GetTrack(int i);
171     TrkTrack* GetTrackImage(int i);
172    
173     TrkLevel2* GetTrkLevel2(){return this;}
174    
175     ClassDef(TrkLevel2,1);
176    
177     };
178    
179    
180    
181    
182     #endif

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