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

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Revision 1.18 - (show annotations) (download)
Fri Feb 16 14:56:00 2007 UTC (17 years, 9 months ago) by pam-fi
Branch: MAIN
Changes since 1.17: +5 -2 lines
File MIME type: text/plain
Magnetic field, improoved de/dx, reprocessing tools

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 coval[5][5]; ///<covariance matrix
93 int xgood[6]; ///<mask of included x planes
94 int ygood[6]; ///<mask of included y planes
95 float xm[6]; ///<measured x coordinates
96 float ym[6]; ///<measured y coordinates
97 float zm[6]; ///<measured z coordinates
98 float resx[6]; ///<spatial resolution on X view
99 float resy[6]; ///<spatial resolution on y view
100 float chi2; ///<chi2
101 int nstep; ///<n. step
102 float xv[6]; ///<calculated x coordinates
103 float yv[6]; ///<calculated y coordinates
104 float zv[6]; ///<calculated z coordinates
105 float axv[6]; ///<calculated angles (deg) on x view
106 float ayv[6]; ///<calculated angles (deg) on y view
107 float dedx_x[6]; ///<signal in MIP (scaled to 300 micrometer)
108 float dedx_y[6]; ///<signal in MIP (scaled to 300 micrometer)
109
110 TrkTrack();
111 TrkTrack(const TrkTrack&);
112
113 ~TrkTrack(){ Delete(); };
114
115 void Dump();
116 void Clear();
117 void Clear(Option_t *option){Clear();};
118 void Delete();
119 void Copy(TrkTrack&);
120 // void Set();
121
122 Int_t GetSeqNo(){return seqno;} ///< Returns the track sequential number
123 Int_t GetImageSeqNo(){return image;} ///< Returns the track image sequential number
124 Bool_t HasImage(){return !(image==-1);} ///< Returns true if the track has an image
125 int DoTrack(Trajectory* t); ///< Evaluates the trajectory in the apparatus.
126 int DoTrack2(Trajectory* t); ///< Evaluates the trajectory in the apparatus.
127 float BdL(){return 0;}; ///< Evaluates the integral of B*dL along the track.
128 Int_t GetNX(){Int_t n=0; for(Int_t i=0; i<6; i++)n+=xgood[i]; return n;};
129 Int_t GetNY(){Int_t n=0; for(Int_t i=0; i<6; i++)n+=ygood[i]; return n;};
130 Int_t GetNtot(){return GetNX()+GetNY();};
131 Float_t GetRigidity();
132 Float_t GetDeflection();
133 Float_t GetDEDX();
134 Float_t GetDEDX(Int_t ip){if( !(xgood[ip]+ygood[ip]) ) return 0; return (dedx_x[ip]+dedx_y[ip])/(xgood[ip]+ygood[ip]);};
135 // sono un'imbecille... assegno xm e ym anche quando si tratta di un singolo
136 // non posso quindi usare xm e ym per dire se una vista e` inclusa nel fit o no
137 /* Bool_t XGood(int ip){ return xm[ip] != -100.;};
138 Bool_t YGood(int ip){ return ym[ip] != -100.;};*/
139 Bool_t XGood(int ip){ return xgood[ip]==1;};
140 Bool_t YGood(int ip){ return ygood[ip]==1;};
141
142 void SetMeasure(double *xmeas, double *ymeas, double *zmeas);
143 void SetResolution(double *rx, double *ry);
144 void SetGood(int *xg, int *yg);
145 void LoadField(TString s);
146 void Fit(double pfixed, int& fail, int iprint);
147 void FitReset();
148
149 void FillMiniStruct(cMini2track&);
150 void SetFromMiniStruct(cMini2track*);
151
152 TrkCluster *GetClusterX(int ip){TrkCluster *pt = (TrkCluster*)(clx->At(ip)); return pt;};
153 TrkCluster *GetClusterY(int ip){TrkCluster *pt = (TrkCluster*)(cly->At(ip)); return pt;};
154
155 TrkTrack* GetTrkTrack(){return this;};
156
157 friend class TrkLevel2;
158
159 ClassDef(TrkTrack,2);
160
161 };
162 /**
163 * \brief Class to describe single clusters ("singlets").
164 *
165 * Single clusters are clusters not associated to any track.
166 */
167 class TrkSinglet : public TObject {
168
169 private:
170
171
172 public:
173
174 TRef cls;
175
176 int plane; ///<plane
177 float coord[2]; ///<coordinate (on sensor 1 and 2)
178 float sgnl; ///<cluster signal in MIP
179
180 TrkSinglet();
181 TrkSinglet(const TrkSinglet&);
182 ~TrkSinglet(){Delete();};
183
184 void Dump();
185 void Clear();
186 void Clear(Option_t *option){Clear();};
187 void Delete(){Clear();};
188
189 TrkCluster *GetCluster(){TrkCluster *pt = (TrkCluster*)cls.GetObject(); return pt;};
190
191 friend class TrkLevel2;
192
193 ClassDef(TrkSinglet,2);
194
195 };
196
197 /**
198 * \brief Class to describe tracker LEVEL2 data.
199 *
200 * A tracker events is defined by some general variables, plus the collection of all the fitted tracks and all
201 * single clusters on X and Y views.
202 * Tracks and single clusters ("singlets") are described by the classes TrkTrack and TrkSinglet respectivelly.
203 *
204 * Each track may have an "image", due to the ambiguity on the Y view, which is stored also.
205 * Thus, the number of stored tracks ( ntrk() ) differs from the number of "physical" tracks ( GetNTracks() ).
206 * Proper methods allow to sort tracks and select the physical ones ( GetTracks() ).
207 */
208 class TrkLevel2 : public TObject {
209
210 private:
211
212 public:
213
214 Int_t good[12]; ///< event status
215
216 TClonesArray *Track; ///< fitted tracks
217 TClonesArray *SingletX; ///< x singlets
218 TClonesArray *SingletY; ///< y singlets
219
220 TrkLevel2();
221 // TrkLevel2(cTrkLevel2 *);
222 ~TrkLevel2(){Delete();};
223
224 void Clear();
225 void Clear(Option_t *option){Clear();};
226 void Delete();
227 void Set();
228
229 int ntrk() {return Track->GetEntries();} ///< number of stored track
230 int nclsx(){return SingletX->GetEntries();} ///< number of x singlets
231 int nclsy(){return SingletY->GetEntries();} ///< number of y singlets
232
233 void Dump();
234 void SetFromLevel2Struct(cTrkLevel2 *, TrkLevel1 *);
235 void SetFromLevel2Struct(cTrkLevel2 *s2){ SetFromLevel2Struct(s2, NULL); };
236 void SetFromLevel2Struct(TrkLevel1 *l1) { SetFromLevel2Struct(&level2event_, l1); };
237 void SetFromLevel2Struct() { SetFromLevel2Struct(&level2event_); };
238 void GetLevel2Struct(cTrkLevel2 *) const;
239 void LoadField(TString);
240 float GetBX(float*);
241 float GetBY(float*);
242 float GetBZ(float*);
243 Float_t GetZTrk(Int_t);
244 Float_t GetXTrkLeft(){return XTRKL;};
245 Float_t GetXTrkRight(){return XTRKR;};
246 Float_t GetYTrkLeft(){return YTRKL;};
247 Float_t GetYTrkRight(){return YTRKR;};
248
249 TrkSinglet *GetSingletX(int);
250 TrkSinglet *GetSingletY(int);
251
252 TrkTrack *GetStoredTrack(int i);
253 Int_t GetSeqNo(Int_t i) {return (((TrkTrack *)Track->At(i))->seqno);}; ///< Returns track sequential number
254 // TClonesArray *GetTracks_Chi2Sorted();
255 // TClonesArray *GetTracks_NFitSorted();
256 // TClonesArray *GetTracks();
257 TRefArray *GetTracks_NFitSorted();
258 TRefArray *GetTracks(){return this->GetTracks_NFitSorted();};
259
260 // int GetNTracks(){return this->GetTracks()->GetEntries();}
261 Int_t GetNTracks();
262 TrkTrack* GetTrack(int i);
263 TrkTrack* GetTrackImage(int i);
264
265 TrkLevel2* GetTrkLevel2(){return this;}
266 TClonesArray* GetTrackArray(){return Track;};///< returns pointer to the track array
267
268 ClassDef(TrkLevel2,2);
269
270 };
271
272 #endif

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