/[PAMELA software]/DarthVader/TrackerLevel2/src/TrkLevel2.cpp
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Contents of /DarthVader/TrackerLevel2/src/TrkLevel2.cpp

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Revision 1.6 - (show annotations) (download)
Tue Jul 11 15:32:27 2006 UTC (18 years, 6 months ago) by pam-fi
Branch: MAIN
CVS Tags: v1r01beta
Changes since 1.5: +81 -12 lines
some methods added

1 /**
2 * \file TrkLevel2.cpp
3 * \author Elena Vannuccini
4 */
5 #include <TrkLevel2.h>
6 #include <iostream>
7 using namespace std;
8 //......................................
9 // F77 routines
10 //......................................
11 extern "C" {
12 void dotrack_(int*, double*, double*, double*, double*, int*);
13 void dotrack2_(int*, double*, double*, double*, double*,double*, double*, double*,int*);
14 int readb_(const char*);
15 }
16 //--------------------------------------
17 //
18 //
19 //--------------------------------------
20 TrkTrack::TrkTrack(){
21 seqno = -1;
22 image = -1;
23 chi2 = 0;
24 for(int it1=0;it1<5;it1++){
25 al[it1] = 0;
26 for(int it2=0;it2<5;it2++)
27 coval[it1][it2] = 0;
28 };
29 for(int ip=0;ip<6;ip++){
30 xgood[ip] = 0;
31 ygood[ip] = 0;
32 xm[ip] = 0;
33 ym[ip] = 0;
34 zm[ip] = 0;
35 resx[ip] = 0;
36 resy[ip] = 0;
37 xv[ip] = 0;
38 yv[ip] = 0;
39 zv[ip] = 0;
40 axv[ip] = 0;
41 ayv[ip] = 0;
42 dedx_x[ip] = 0;
43 dedx_y[ip] = 0;
44 };
45 };
46 //--------------------------------------
47 //
48 //
49 //--------------------------------------
50 TrkTrack::TrkTrack(const TrkTrack& t){
51 seqno = t.seqno;
52 image = t.image;
53 chi2 = t.chi2;
54 for(int it1=0;it1<5;it1++){
55 al[it1] = t.al[it1];
56 for(int it2=0;it2<5;it2++)
57 coval[it1][it2] = t.coval[it1][it2];
58 };
59 for(int ip=0;ip<6;ip++){
60 xgood[ip] = t.xgood[ip];
61 ygood[ip] = t.ygood[ip];
62 xm[ip] = t.xm[ip];
63 ym[ip] = t.ym[ip];
64 zm[ip] = t.zm[ip];
65 resx[ip] = t.resx[ip];
66 resy[ip] = t.resy[ip];
67 xv[ip] = t.xv[ip];
68 yv[ip] = t.yv[ip];
69 zv[ip] = t.zv[ip];
70 axv[ip] = t.axv[ip];
71 ayv[ip] = t.ayv[ip];
72 dedx_x[ip] = t.dedx_x[ip];
73 dedx_y[ip] = t.dedx_y[ip];
74 };
75 };
76 //--------------------------------------
77 //
78 //
79 //--------------------------------------
80 /**
81 * Evaluates the trajectory in the apparatus associated to the track.
82 * It integrates the equations of motion in the magnetic field. The magnetic field should be previously loaded ( by calling TrkLevel2::LoadField() ), otherwise an error message is returned.
83 * @param t pointer to an object of the class Trajectory,
84 * which z coordinates should be previously initialized by calling the proper constructor ( Trajectory::Trajectory(int n, float* zin) ).
85 * @return error flag.
86 */
87 int TrkTrack::DoTrack(Trajectory* t){
88
89 double *dxout = new double[t->npoint];
90 double *dyout = new double[t->npoint];
91 double *dzin = new double[t->npoint];
92 double dal[5];
93
94 int ifail = 0;
95
96 for (int i=0; i<5; i++) dal[i] = (double)al[i];
97 for (int i=0; i<t->npoint; i++) dzin[i] = (double)t->z[i];
98
99 dotrack_(&(t->npoint),dzin,dxout,dyout,dal,&ifail);
100
101 for (int i=0; i<t->npoint; i++){
102 t->x[i] = (float)*dxout++;
103 t->y[i] = (float)*dyout++;
104 }
105
106 // delete [] dxout;
107 // delete [] dyout;
108 // delete [] dzin;
109
110 return ifail;
111 };
112 //--------------------------------------
113 //
114 //
115 //--------------------------------------
116 /**
117 * Evaluates the trajectory in the apparatus associated to the track.
118 * It integrates the equations of motion in the magnetic field. The magnetic field should be previously loaded ( by calling TrkLevel2::LoadField() ), otherwise an error message is returned.
119 * @param t pointer to an object of the class Trajectory,
120 * which z coordinates should be previously initialized by calling the proper constructor ( Trajectory::Trajectory(int n, float* zin) ).
121 * @return error flag.
122 */
123 int TrkTrack::DoTrack2(Trajectory* t){
124
125 double *dxout = new double[t->npoint];
126 double *dyout = new double[t->npoint];
127 double *dthxout = new double[t->npoint];
128 double *dthyout = new double[t->npoint];
129 double *dtlout = new double[t->npoint];
130 double *dzin = new double[t->npoint];
131 double dal[5];
132
133 int ifail = 0;
134
135 for (int i=0; i<5; i++) dal[i] = (double)al[i];
136 for (int i=0; i<t->npoint; i++) dzin[i] = (double)t->z[i];
137
138 dotrack2_(&(t->npoint),dzin,dxout,dyout,dthxout,dthyout,dtlout,dal,&ifail);
139
140 for (int i=0; i<t->npoint; i++){
141 t->x[i] = (float)*dxout++;
142 t->y[i] = (float)*dyout++;
143 t->thx[i] = (float)*dthxout++;
144 t->thy[i] = (float)*dthyout++;
145 t->tl[i] = (float)*dtlout++;
146 }
147
148 // delete [] dxout;
149 // delete [] dyout;
150 // delete [] dzin;
151
152 return ifail;
153 };
154 //--------------------------------------
155 //
156 //
157 //--------------------------------------
158 //float TrkTrack::BdL(){
159 //};
160 //--------------------------------------
161 //
162 //
163 //--------------------------------------
164 Float_t TrkTrack::GetRigidity(){
165 Float_t rig=0;
166 if(chi2>0)rig=1./al[4];
167 if(rig<0) rig=-rig;
168 return rig;
169 };
170 //
171 Float_t TrkTrack::GetDeflection(){
172 Float_t def=0;
173 if(chi2>0)def=al[4];
174 return def;
175 };
176 //
177 Float_t TrkTrack::GetDEDX(){
178 Float_t dedx=0;
179 for(Int_t i=0; i<6; i++)dedx+=dedx_x[i]*xgood[i]+dedx_y[i]*ygood[i];
180 dedx = dedx/(this->GetNX()+this->GetNY());
181 return dedx;
182 };
183
184 //--------------------------------------
185 //
186 //
187 //--------------------------------------
188 void TrkTrack::Dump(){
189 cout << endl << "========== Track " ;
190 cout << endl << "al : "; for(int i=0; i<5; i++)cout << al[i] << " ";
191 cout << endl << "chi^2 : "<< chi2;
192 cout << endl << "xgood : "; for(int i=0; i<6; i++)cout << xgood[i] ;
193 cout << endl << "ygood : "; for(int i=0; i<6; i++)cout << ygood[i] ;
194 cout << endl << "xm : "; for(int i=0; i<6; i++)cout << xm[i] << " ";
195 cout << endl << "ym : "; for(int i=0; i<6; i++)cout << ym[i] << " ";
196 cout << endl << "zm : "; for(int i=0; i<6; i++)cout << zm[i] << " ";
197 cout << endl << "dedx_x : "; for(int i=0; i<6; i++)cout << dedx_x[i] << " ";
198 cout << endl << "dedx_y : "; for(int i=0; i<6; i++)cout << dedx_y[i] << " ";
199 }
200 //--------------------------------------
201 //
202 //
203 //--------------------------------------
204 TrkSinglet::TrkSinglet(){
205 plane = 0;
206 coord[0] = 0;
207 coord[1] = 0;
208 sgnl = 0;
209 };
210 //--------------------------------------
211 //
212 //
213 //--------------------------------------
214 TrkSinglet::TrkSinglet(const TrkSinglet& s){
215 plane = s.plane;
216 coord[0] = s.coord[0];
217 coord[1] = s.coord[1];
218 sgnl = s.sgnl;
219 };
220 //--------------------------------------
221 //
222 //
223 //--------------------------------------
224 void TrkSinglet::Dump(){
225 int i=0;
226 cout << endl << "========== Singlet " ;
227 cout << endl << "plane : " << plane;
228 cout << endl << "coord[2] : "; while( i<2 && cout << coord[i] << " ") i++;
229 cout << endl << "sgnl : " << sgnl;
230 }
231 //--------------------------------------
232 //
233 //
234 //--------------------------------------
235 TrkLevel2::TrkLevel2(){
236 good2 = -1;
237 for(Int_t i=0; i<12 ; i++){
238 crc[i] = -1;
239 };
240 Track = new TClonesArray("TrkTrack");
241 SingletX = new TClonesArray("TrkSinglet");
242 SingletY = new TClonesArray("TrkSinglet");
243
244 // PhysicalTrack = new TClonesArray("TrkTrack");
245 //sostituire con TRefArray... appena ho capito come si usa
246 }
247 //--------------------------------------
248 //
249 //
250 //--------------------------------------
251 void TrkLevel2::Dump(){
252 TClonesArray &t = *Track;
253 TClonesArray &sx = *SingletX;
254 TClonesArray &sy = *SingletY;
255
256 cout << endl << endl << "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-";
257 cout << endl << "good2 : " << good2;
258 cout << endl << "crc : "; for(int i=0; i<12; i++) cout << crc[i];
259 cout << endl << "ntrk() : " << this->ntrk() ;
260 cout << endl << "nclsx() : " << this->nclsx();
261 cout << endl << "nclsy() : " << this->nclsy();
262 for(int i=0; i<this->ntrk(); i++) ((TrkTrack *)t[i])->Dump();
263 for(int i=0; i<this->nclsx(); i++) ((TrkSinglet *)sx[i])->Dump();
264 for(int i=0; i<this->nclsy(); i++) ((TrkSinglet *)sy[i])->Dump();
265 }
266 //--------------------------------------
267 //
268 //
269 //--------------------------------------
270 /**
271 * Fills a TrkLevel2 object with values from a struct cTrkLevel2 (to get data from F77 common).
272 */
273 void TrkLevel2::FillCommonVar(cTrkLevel2 *l2){
274 //
275 // Track = new TClonesArray("TrkTrack");
276 // SingletX = new TClonesArray("TrkSinglet");
277 // SingletY = new TClonesArray("TrkSinglet");
278 // temporary objects:
279 TrkSinglet* t_singlet = new TrkSinglet();
280 TrkTrack* t_track = new TrkTrack();
281 // general variables
282 good2 = l2->good2;
283 for(Int_t i=0; i<12 ; i++){
284 crc[i] = l2->crc[i];
285 };
286 // *** TRACKS ***
287 TClonesArray &t = *Track;
288 for(int i=0; i<l2->ntrk; i++){
289 t_track->seqno = i;
290 t_track->image = l2->image[i]-1;
291 // cout << "track "<<i<<t_track->seqno << t_track->image<<endl;
292 t_track->chi2 = l2->chi2_nt[i];
293 for(int it1=0;it1<5;it1++){
294 t_track->al[it1] = l2->al_nt[i][it1];
295 for(int it2=0;it2<5;it2++)
296 t_track->coval[it1][it2] = l2->coval[i][it2][it1];
297 };
298 for(int ip=0;ip<6;ip++){
299 t_track->xgood[ip] = l2->xgood_nt[i][ip];
300 t_track->ygood[ip] = l2->ygood_nt[i][ip];
301 t_track->xm[ip] = l2->xm_nt[i][ip];
302 t_track->ym[ip] = l2->ym_nt[i][ip];
303 t_track->zm[ip] = l2->zm_nt[i][ip];
304 t_track->resx[ip] = l2->resx_nt[i][ip];
305 t_track->resy[ip] = l2->resy_nt[i][ip];
306 t_track->xv[ip] = l2->xv_nt[i][ip];
307 t_track->yv[ip] = l2->yv_nt[i][ip];
308 t_track->zv[ip] = l2->zv_nt[i][ip];
309 t_track->axv[ip] = l2->axv_nt[i][ip];
310 t_track->ayv[ip] = l2->ayv_nt[i][ip];
311 t_track->dedx_x[ip] = l2->dedx_x[i][ip];
312 t_track->dedx_y[ip] = l2->dedx_y[i][ip];
313 };
314 new(t[i]) TrkTrack(*t_track);
315 t_track->Clear();
316 };
317 // *** SINGLETS ***
318 TClonesArray &sx = *SingletX;
319 for(int i=0; i<l2->nclsx; i++){
320 t_singlet->plane = l2->planex[i];
321 t_singlet->coord[0] = l2->xs[i][0];
322 t_singlet->coord[1] = l2->xs[i][1];
323 t_singlet->sgnl = l2->signlxs[i];
324 new(sx[i]) TrkSinglet(*t_singlet);
325 t_singlet->Clear();
326 }
327 TClonesArray &sy = *SingletY;
328 for(int i=0; i<l2->nclsy; i++){
329 t_singlet->plane = l2->planey[i];
330 t_singlet->coord[0] = l2->ys[i][0];
331 t_singlet->coord[1] = l2->ys[i][1];
332 t_singlet->sgnl = l2->signlys[i];
333 new(sy[i]) TrkSinglet(*t_singlet);
334 t_singlet->Clear();
335 };
336
337 delete t_track;
338 delete t_singlet;
339 }
340 //--------------------------------------
341 //
342 //
343 //--------------------------------------
344 void TrkLevel2::Clear(){
345 good2 = -1;
346 for(Int_t i=0; i<12 ; i++){
347 crc[i] = -1;
348 };
349 /* Track->RemoveAll();
350 SingletX->RemoveAll();
351 SingletY->RemoveAll();*/
352 // modify to avoid memory leakage
353 Track->Clear();
354 SingletX->Clear();
355 SingletY->Clear();
356 }
357 //--------------------------------------
358 //
359 //
360 //--------------------------------------
361 /**
362 * Sort physical tracks and stores them in a TObjectArray, ordering by increasing chi**2 value (in case of track image, it selects the one with lower chi**2). The total number of physical tracks is given by GetNTracks() and the it-th physical track can be retrieved by means of the method GetTrack(int it).
363 * This method is overridden by PamLevel2::GetTracks(), where calorimeter and TOF information is used.
364 */
365 TClonesArray *TrkLevel2::GetTracks(){
366 TClonesArray *sorted = GetTracks_NFitSorted();
367 return sorted;
368
369 // fare di meglio...
370 /* PhysicalTrack->Clear();
371 if(ntrk() > 0) GetTracks_NFitSorted();
372 return PhysicalTrack;*/
373 };
374
375 /*TClonesArray *TrkLevel2::GetTracks_Chi2Sorted(){
376
377 TClonesArray *sorted = new TClonesArray("TrkTrack");
378 TClonesArray &t = *Track;
379 TClonesArray &ts = *sorted;
380 int N=this->ntrk();
381 vector<int> m(N); for(int i=0; i<N; i++)m[i]=1;
382
383 int indo=0;
384 int indi=0;
385 while(N != 0){
386 float chi2ref=1000000;
387 for(int i=0; i<this->ntrk(); i++){
388 if(((TrkTrack *)t[i])->chi2 < chi2ref && m[i]==1){
389 chi2ref = ((TrkTrack *)t[i])->chi2;
390 indi = i;
391 }
392 }
393 if( ((TrkTrack *)t[indi])->image != -1 ){
394 m[((TrkTrack *)t[indi])->image] = 0;
395 N--;
396 }
397 new(ts[indo]) TrkTrack(*(TrkTrack*)t[indi]);
398 m[indi] = 0;
399 N--;
400 indo++;
401 }
402 return sorted;
403 }*/
404 TClonesArray *TrkLevel2::GetTracks_NFitSorted(){
405
406 TClonesArray *sorted = new TClonesArray("TrkTrack");
407 TClonesArray &t = *Track;
408 TClonesArray &ts = *sorted;
409 // TClonesArray &ts = *PhysicalTrack;
410 int N=this->ntrk();
411 vector<int> m(N); for(int i=0; i<N; i++)m[i]=1;
412
413 int indo=0;
414 int indi=0;
415 while(N != 0){
416 int nfit =0;
417 float chi2ref=1000000;
418 // first loop to search maximum num. of fit points
419 for(int i=0; i<this->ntrk(); i++){
420 if( ((TrkTrack *)t[i])->GetNtot() >= nfit && m[i]==1){
421 nfit = ((TrkTrack *)t[i])->GetNtot();
422 // cout << "1** "<<i<< " " << nfit<<endl;
423 }
424 }
425 //second loop to search minimum chi2 among selected
426 for(int i=0; i<this->ntrk(); i++){
427 if( ((TrkTrack *)t[i])->chi2 < chi2ref
428 && ((TrkTrack *)t[i])->GetNtot()== nfit
429 && m[i]==1){
430 chi2ref = ((TrkTrack *)t[i])->chi2;
431 indi = i;
432 // cout << "2** "<<i<< " " << nfit <<" "<<chi2ref<<endl;
433 }
434 }
435 if( ((TrkTrack *)t[indi])->HasImage() ){
436 m[((TrkTrack *)t[indi])->image] = 0;
437 N--;
438
439 // Int_t nfiti=((TrkTrack *)t[((TrkTrack *)t[indi])->image ])->GetNtot();
440 // Float_t chi2i=((TrkTrack *)t[((TrkTrack *)t[indi])->image ])->chi2;
441
442 // cout << "i** "<< ((TrkTrack *)t[indi])->image << " " << nfiti <<" "<<chi2i<<endl;
443 }
444 new(ts[indo]) TrkTrack(*(TrkTrack*)t[indi]);
445 m[indi] = 0;
446 N--;
447 indo++;
448 }
449 return sorted;
450 // return PhysicalTrack;
451 }
452 //--------------------------------------
453 //
454 //
455 //--------------------------------------
456 /**
457 * Retrieves the is-th stored track.
458 * @param it Track number, ranging from 0 to ntrk().
459 * Fitted tracks ( images included ) are stored in a TObjectArray ( TrkLevel2::Track ) in the same order they are returned by the F77 fitting routine.
460 */
461 TrkTrack *TrkLevel2::GetStoredTrack(int is){
462
463 if(is >= this->ntrk()){
464 cout << "** TrkLevel2 ** Track "<< is << "doen not exits! " << endl;
465 cout << " Stored tracks ntrk() = "<< this->ntrk() << endl;
466 return 0;
467 }
468 TClonesArray &t = *(Track);
469 TrkTrack *track = (TrkTrack*)t[is];
470 return track;
471 }
472 //--------------------------------------
473 //
474 //
475 //--------------------------------------
476 /**
477 * Retrieves the is-th stored X singlet.
478 * @param it Singlet number, ranging from 0 to nclsx().
479 */
480 TrkSinglet *TrkLevel2::GetSingletX(int is){
481
482 if(is >= this->nclsx()){
483 cout << "** TrkLevel2 ** Singlet "<< is << "doen not exits! " << endl;
484 cout << " Stored x-singlets nclsx() = "<< this->nclsx() << endl;
485 return 0;
486 }
487 TClonesArray &t = *(SingletX);
488 TrkSinglet *singlet = (TrkSinglet*)t[is];
489 return singlet;
490 }
491 //--------------------------------------
492 //
493 //
494 //--------------------------------------
495 /**
496 * Retrieves the is-th stored Y singlet.
497 * @param it Singlet number, ranging from 0 to nclsx().
498 */
499 TrkSinglet *TrkLevel2::GetSingletY(int is){
500
501 if(is >= this->nclsy()){
502 cout << "** TrkLevel2 ** Singlet "<< is << "doen not exits! " << endl;
503 cout << " Stored y-singlets nclsy() = "<< this->nclsx() << endl;
504 return 0;
505 }
506 TClonesArray &t = *(SingletY);
507 TrkSinglet *singlet = (TrkSinglet*)t[is];
508 return singlet;
509 }
510 //--------------------------------------
511 //
512 //
513 //--------------------------------------
514 /**
515 * Retrieves the it-th "physical" track, sorted by the method GetNTracks().
516 * @param it Track number, ranging from 0 to GetNTracks().
517 */
518 TrkTrack *TrkLevel2::GetTrack(int it){
519
520 if(it >= this->GetNTracks()){
521 cout << "** TrkLevel2 ** Track "<< it << "does not exits! " << endl;
522 cout << " Physical tracks GetNTracks() = "<< this->ntrk() << endl;
523 return 0;
524 }
525 TrkTrack *track = (TrkTrack*)(*(this->GetTracks()))[it];
526 GetTracks()->Delete();////TEMPORANEO
527 return track;
528 }
529 /**
530 * Give the number of "physical" tracks, sorted by the method GetTracks().
531 */
532 Int_t TrkLevel2::GetNTracks(){
533 Int_t ntot=0;
534 ntot = GetTracks()->GetEntries();
535 GetTracks()->Delete();////TEMPORANEO
536 return ntot;
537 };
538 //--------------------------------------
539 //
540 //
541 //--------------------------------------
542 /**
543 * Retrieves (if present) the image of the it-th "physical" track, sorted by the method GetNTracks().
544 * @param it Track number, ranging from 0 to GetNTracks().
545 */
546 TrkTrack *TrkLevel2::GetTrackImage(int it){
547
548 if(it >= this->GetNTracks()){
549 cout << "** TrkLevel2 ** Track "<< it << "does not exits! " << endl;
550 cout << " Physical tracks GetNTracks() = "<< this->ntrk() << endl;
551 return 0;
552 }
553 TrkTrack *track = (TrkTrack*)(*(this->GetTracks()))[it];
554 if(!track->HasImage()){
555 cout << "** TrkLevel2 ** Track "<< it << "does not have image! " << endl;
556 return 0;
557 }
558 TrkTrack *image = (TrkTrack*)(*Track)[track->image];
559 GetTracks()->Delete(); ////TEMPORANEO
560 return image;
561
562 }
563 //--------------------------------------
564 //
565 //
566 //--------------------------------------
567 /**
568 * Loads the magnetic field.
569 * @param s Path of the magnetic-field files.
570 */
571 void TrkLevel2::LoadField(TString s){
572 readb_(s.Data());
573 };
574 //--------------------------------------
575 //
576 //
577 //--------------------------------------
578 /**
579 * Get tracker-plane (mechanical) z-coordinate
580 * @param plane_id plane index (1=TOP,2,3,4,5,6=BOTTOM)
581 */
582 Float_t TrkLevel2::GetZTrk(Int_t plane_id){
583 switch(plane_id){
584 case 1: return ZTRK1;
585 case 2: return ZTRK2;
586 case 3: return ZTRK3;
587 case 4: return ZTRK4;
588 case 5: return ZTRK5;
589 case 6: return ZTRK6;
590 default: return 0.;
591 };
592 };
593 //--------------------------------------
594 //
595 //
596 //--------------------------------------
597 /**
598 * Trajectory default constructor.
599 * (By default is created with z-coordinates inside the tracking volume)
600 */
601 Trajectory::Trajectory(){
602 npoint = 10;
603 x = new float[npoint];
604 y = new float[npoint];
605 z = new float[npoint];
606 thx = new float[npoint];
607 thy = new float[npoint];
608 tl = new float[npoint];
609 float dz = ((ZTRK1)-(ZTRK6))/(npoint-1);
610 for(int i=0; i<npoint; i++){
611 x[i] = 0;
612 y[i] = 0;
613 z[i] = (ZTRK1) - i*dz;
614 thx[i] = 0;
615 thy[i] = 0;
616 tl[i] = 0;
617 }
618 }
619 //--------------------------------------
620 //
621 //
622 //--------------------------------------
623 /**
624 * Trajectory constructor.
625 * (By default is created with z-coordinates inside the tracking volume)
626 * \param n Number of points
627 */
628 Trajectory::Trajectory(int n){
629 if(n<=0){
630 cout << "NB! Trajectory must have at least 1 point >>> created with 10 points" << endl;
631 n=10;
632 }
633 npoint = n;
634 x = new float[npoint];
635 y = new float[npoint];
636 z = new float[npoint];
637 thx = new float[npoint];
638 thy = new float[npoint];
639 tl = new float[npoint];
640 float dz = ((ZTRK1)-(ZTRK6))/(npoint-1);
641 for(int i=0; i<npoint; i++){
642 x[i] = 0;
643 y[i] = 0;
644 z[i] = (ZTRK1) - i*dz;
645 thx[i] = 0;
646 thy[i] = 0;
647 tl[i] = 0;
648 }
649 }
650 //--------------------------------------
651 //
652 //
653 //--------------------------------------
654 /**
655 * Trajectory constructor.
656 * \param n Number of points
657 * \param pz Pointer to float array, defining z coordinates
658 */
659 Trajectory::Trajectory(int n, float* zin){
660 npoint = 10;
661 if(n>0)npoint = n;
662 x = new float[npoint];
663 y = new float[npoint];
664 z = new float[npoint];
665 thx = new float[npoint];
666 thy = new float[npoint];
667 tl = new float[npoint];
668 int i=0;
669 do{
670 x[i] = 0;
671 y[i] = 0;
672 z[i] = zin[i];
673 thx[i] = 0;
674 thy[i] = 0;
675 tl[i] = 0;
676 i++;
677 }while(zin[i-1] > zin[i] && i < npoint);
678 npoint=i;
679 if(npoint != n)cout << "NB! Trajectory created with "<<npoint<<" points"<<endl;
680 }
681 //--------------------------------------
682 //
683 //
684 //--------------------------------------
685 /**
686 * Dump the trajectory coordinates.
687 */
688 void Trajectory::Dump(){
689 cout <<endl<< "Trajectory ========== "<<endl;
690 for (int i=0; i<npoint; i++){
691 cout << i <<" >> " << x[i] <<" "<< y[i] <<" "<< z[i] ;
692 cout <<" -- " << thx[i] <<" "<< thy[i] ;
693 cout <<" -- " << tl[i] << endl;
694 };
695 }
696 //--------------------------------------
697 //
698 //
699 //--------------------------------------
700 /**
701 * Get trajectory length between two points
702 * @param ifirst first point (default 0)
703 * @param ilast last point (default npoint)
704 */
705 float Trajectory::GetLength(int ifirst, int ilast){
706 if( ifirst<0 ) ifirst = 0;
707 if( ilast>=npoint) ilast = npoint-1;
708 float l=0;
709 for(int i=ifirst;i<=ilast;i++){
710 l=l+tl[i];
711 };
712 if(z[ilast] > ZINI)l=l-tl[ilast];
713 if(z[ifirst] < ZINI) l=l-tl[ifirst];
714
715 return l;
716
717 }
718
719 ClassImp(TrkLevel2);
720 ClassImp(TrkSinglet);
721 ClassImp(TrkTrack);
722 ClassImp(Trajectory);

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