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

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Revision 1.23 - (show annotations) (download)
Thu Mar 29 17:06:39 2007 UTC (17 years, 8 months ago) by pam-fi
Branch: MAIN
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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 <TRefArray.h>
12 #include <TRef.h>
13
14 //#include <TrkStruct.h>
15 #include <TrkParams.h>
16 #include <TrkLevel1.h>
17
18 // z-coordinate of track state-vector reference-plane
19 #define ZINI 23.5
20 // upper and lower (mechanical) z-coordinate of the tracker
21 //#define ZTRKUP 22.29
22 //#define ZTRKDW -22.22
23 // (mechanical) z-coordinate of the tracker planes
24 #define ZTRK6 -22.23
25 #define ZTRK5 -13.32
26 #define ZTRK4 -4.42
27 #define ZTRK3 4.48
28 #define ZTRK2 13.38
29 #define ZTRK1 22.28
30 // (mechanical) x/y-coordinates of magnet cavity
31 #define XTRKL -8.1
32 #define XTRKR 8.1
33 #define YTRKL -6.6
34 #define YTRKR 6.6
35
36 /**
37 * \brief Class to describe, by points, a particle trajectory in the apparatus.
38 *
39 * The idea is to create it by integrating the equations of motion, given the
40 * track state vector and the z coordinates where to evaluate track position.
41 */
42 // ==================================================================
43 class Trajectory : public TObject{
44 private:
45
46 public:
47
48 int npoint; ///< number of evaluated points along the trajectory
49 float* x; ///< x coordinates
50 float* y; ///< y coordinates
51 float* z; ///< z coordinates
52 float* thx; ///< x projected angle
53 float* thy; ///< y projected angle
54 float* tl; ///< track length
55
56 Trajectory();
57 Trajectory(int n);
58 Trajectory(int n, float* pz);
59 ~Trajectory(){Delete();};
60 void Dump();
61 void Delete();
62
63 int DoTrack2(float* al);
64 float GetLength(){float l=0; for(int i=0; i<npoint;i++)l=l+tl[i]; return l;};
65 float GetLength(int,int);
66
67 ClassDef(Trajectory,2);
68
69 };
70 /**
71 * \brief Class to describe fitted tracks.
72 *
73 * A track is defined by the measured coordinates associated to it, the
74 * track status vector, plus other quantities.
75 * A track may have an "image", due to the ambiguity in the y view.
76 */
77 // ==================================================================
78 class TrkTrack : public TObject {
79
80 private:
81
82 int seqno; ///<stored track sequential number
83 int image; ///<sequential number of track-image
84
85
86 public:
87
88 TRefArray *clx;
89 TRefArray *cly;
90
91 /* float al[5]; ///<TRACK STATE VECTOR */
92 float al[5]; ///<TRACK STATE VECTOR
93 float coval[5][5]; ///<covariance matrix
94 int xgood[6]; ///<mask of included x planes
95 int ygood[6]; ///<mask of included y planes
96 float xm[6]; ///<measured x coordinates
97 float ym[6]; ///<measured y coordinates
98 float zm[6]; ///<measured z coordinates
99 float resx[6]; ///<spatial resolution on X view
100 float resy[6]; ///<spatial resolution on y view
101 float chi2; ///<chi2
102 int nstep; ///<n. step
103 float xv[6]; ///<calculated x coordinates
104 float yv[6]; ///<calculated y coordinates
105 float zv[6]; ///<calculated z coordinates
106 float axv[6]; ///<calculated angles (deg) on x view
107 float ayv[6]; ///<calculated angles (deg) on y view
108 float dedx_x[6]; ///<dE/dx in MIP
109 float dedx_y[6]; ///<dE/dx in MIP
110
111 TrkTrack();
112 TrkTrack(const TrkTrack&);
113
114 ~TrkTrack(){ Delete(); };
115
116 void Dump();
117 void Clear();
118 void Clear(Option_t *option){Clear();};
119 void Delete();
120 void Copy(TrkTrack&);
121 // void Set();
122
123 Int_t GetSeqNo(){return seqno;} ///< Returns the track sequential number
124 Int_t GetImageSeqNo(){return image;} ///< Returns the track image sequential number
125 Bool_t HasImage(){return !(image==-1);} ///< Returns true if the track has an image
126 int DoTrack(Trajectory* t); ///< Evaluates the trajectory in the apparatus.
127 int DoTrack2(Trajectory* t); ///< Evaluates the trajectory in the apparatus.
128 float BdL(){return 0;}; ///< Evaluates the integral of B*dL along the track.
129 Int_t GetNX(){Int_t n=0; for(Int_t i=0; i<6; i++)n+=XGood(i); return n;};
130 Int_t GetNY(){Int_t n=0; for(Int_t i=0; i<6; i++)n+=YGood(i); return n;};
131 Int_t GetNtot(){return GetNX()+GetNY();};
132 Float_t GetRigidity();
133 Float_t GetDeflection();
134 Float_t GetDEDX();
135 Float_t GetDEDX(Int_t ip){if( !(XGood(ip)+YGood(ip)) ) return 0; return (dedx_x[ip]+dedx_y[ip])/(XGood(ip)+YGood(ip));};
136 // sono un'imbecille... assegno xm e ym anche quando si tratta di un singolo
137 // non posso quindi usare xm e ym per dire se una vista e` inclusa nel fit o no
138 /* Bool_t XGood(int ip){ return xm[ip] != -100.;};
139 Bool_t YGood(int ip){ return ym[ip] != -100.;};*/
140 Bool_t XGood(int ip){ return xgood[ip]> 0;};
141 Bool_t YGood(int ip){ return ygood[ip]> 0;};
142
143
144 void SetMeasure(double *xmeas, double *ymeas, double *zmeas);
145 void SetResolution(double *rx, double *ry);
146 void SetGood(int *xg, int *yg);
147 void LoadField(TString s);
148 void Fit(double pfixed, int& fail, int iprint);
149 void FitReset();
150 void SetTrackingMode(int trackmode);
151 void SetPrecisionFactor(double fact);
152 void SetStepMin(int istepmin);
153
154 void FillMiniStruct(cMini2track&);
155 void SetFromMiniStruct(cMini2track*);
156
157 TrkCluster *GetClusterX(int ip);
158 TrkCluster *GetClusterY(int ip);
159
160 Int_t GetClusterX_ID(int ip){return xgood[ip];};
161 Int_t GetClusterY_ID(int ip){return ygood[ip];};
162
163 TrkTrack* GetTrkTrack(){return this;};
164
165 friend class TrkLevel2;
166
167 ClassDef(TrkTrack,2);
168
169 };
170 /**
171 * \brief Class to describe single clusters ("singlets").
172 *
173 * Single clusters are clusters not associated to any track.
174 */
175 class TrkSinglet : public TObject {
176
177 private:
178
179
180 public:
181
182 TRef cls;
183
184 int plane; ///<plane
185 float coord[2]; ///<coordinate (on sensor 1 and 2)
186 float sgnl; ///<cluster signal in MIP
187
188 TrkSinglet();
189 TrkSinglet(const TrkSinglet&);
190 ~TrkSinglet(){Delete();};
191
192 void Dump();
193 void Clear();
194 void Clear(Option_t *option){Clear();};
195 void Delete(){Clear();};
196
197 TrkCluster *GetCluster(){TrkCluster *pt = (TrkCluster*)cls.GetObject(); return pt;};
198
199 friend class TrkLevel2;
200
201 ClassDef(TrkSinglet,2);
202
203 };
204
205 /**
206 * \brief Class to describe tracker LEVEL2 data.
207 *
208 * A tracker events is defined by some general variables, plus the collection of all the fitted tracks and all
209 * single clusters on X and Y views.
210 * Tracks and single clusters ("singlets") are described by the classes TrkTrack and TrkSinglet respectivelly.
211 *
212 * Each track may have an "image", due to the ambiguity on the Y view, which is stored also.
213 * Thus, the number of stored tracks ( ntrk() ) differs from the number of "physical" tracks ( GetNTracks() ).
214 * Proper methods allow to sort tracks and select the physical ones ( GetTracks() ).
215 */
216 class TrkLevel2 : public TObject {
217
218 private:
219
220 public:
221
222 Int_t good[12]; ///< event status
223
224 TClonesArray *Track; ///< fitted tracks
225 TClonesArray *SingletX; ///< x singlets
226 TClonesArray *SingletY; ///< y singlets
227
228 TrkLevel2();
229 // TrkLevel2(cTrkLevel2 *);
230 ~TrkLevel2(){Delete();};
231
232 void Clear();
233 void Clear(Option_t *option){Clear();};
234 void Delete();
235 void Set();
236
237 int ntrk() {return Track->GetEntries();} ///< number of stored track
238 int nclsx(){return SingletX->GetEntries();} ///< number of x singlets
239 int nclsy(){return SingletY->GetEntries();} ///< number of y singlets
240
241 void Dump();
242 void SetFromLevel2Struct(cTrkLevel2 *, TrkLevel1 *);
243 void SetFromLevel2Struct(cTrkLevel2 *s2){ SetFromLevel2Struct(s2, NULL); };
244 void SetFromLevel2Struct(TrkLevel1 *l1) { SetFromLevel2Struct(&level2event_, l1); };
245 void SetFromLevel2Struct() { SetFromLevel2Struct(&level2event_); };
246 void GetLevel2Struct(cTrkLevel2 *) const;
247 void LoadField(TString);
248 float GetBX(float*);
249 float GetBY(float*);
250 float GetBZ(float*);
251 Float_t GetZTrk(Int_t);
252 Float_t GetXTrkLeft(){return XTRKL;};
253 Float_t GetXTrkRight(){return XTRKR;};
254 Float_t GetYTrkLeft(){return YTRKL;};
255 Float_t GetYTrkRight(){return YTRKR;};
256
257 TrkSinglet *GetSingletX(int);
258 TrkSinglet *GetSingletY(int);
259
260 TrkTrack *GetStoredTrack(int i);
261 Int_t GetSeqNo(Int_t i) {return (((TrkTrack *)Track->At(i))->seqno);}; ///< Returns track sequential number
262 // TClonesArray *GetTracks_Chi2Sorted();
263 // TClonesArray *GetTracks_NFitSorted();
264 // TClonesArray *GetTracks();
265 TRefArray *GetTracks_NFitSorted();
266 TRefArray *GetTracks(){return this->GetTracks_NFitSorted();};
267
268 // int GetNTracks(){return this->GetTracks()->GetEntries();}
269 Int_t GetNTracks();
270 TrkTrack* GetTrack(int i);
271 TrkTrack* GetTrackImage(int i);
272
273 TrkLevel2* GetTrkLevel2(){return this;}
274 TClonesArray* GetTrackArray(){return Track;};///< returns pointer to the track array
275
276 ClassDef(TrkLevel2,2);
277
278 };
279
280 #endif

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