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

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revision 1.21 by pam-fi, Thu Jan 11 10:20:58 2007 UTC revision 1.39 by pam-fi, Wed Aug 22 07:03:45 2007 UTC
# Line 12  using namespace std; Line 12  using namespace std;
12  extern "C" {      extern "C" {    
13      void dotrack_(int*, double*, double*, double*, double*, int*);      void dotrack_(int*, double*, double*, double*, double*, int*);
14      void dotrack2_(int*, double*, double*, double*, double*,double*, double*, double*,int*);      void dotrack2_(int*, double*, double*, double*, double*,double*, double*, double*,int*);
 //    int  readb_(const char*);  
     int  readb_();  
15      void mini2_(int*,int*,int*);      void mini2_(int*,int*,int*);
16      void guess_();      void guess_();
17        void gufld_(float*, float*);
18        float risxeta2_(float *);
19        float risxeta3_(float *);
20        float risxeta4_(float *);
21        float risyeta2_(float *);
22  }  }
23    
24  //--------------------------------------  //--------------------------------------
25  //  //
26  //  //
# Line 39  TrkTrack::TrkTrack(){ Line 43  TrkTrack::TrkTrack(){
43          zm[ip]     = 0;          zm[ip]     = 0;
44          resx[ip]   = 0;          resx[ip]   = 0;
45          resy[ip]   = 0;          resy[ip]   = 0;
46            tailx[ip]   = 0;
47            taily[ip]   = 0;
48          xv[ip]     = 0;          xv[ip]     = 0;
49          yv[ip]     = 0;          yv[ip]     = 0;
50          zv[ip]     = 0;          zv[ip]     = 0;
# Line 47  TrkTrack::TrkTrack(){ Line 53  TrkTrack::TrkTrack(){
53          dedx_x[ip] = 0;          dedx_x[ip] = 0;
54          dedx_y[ip] = 0;          dedx_y[ip] = 0;
55      };      };
56      clx = 0;  //    clx = 0;
57      cly = 0;  //    cly = 0;
58    //    clx = new TRefArray(6,0); //forse causa memory leak???
59    //    cly = new TRefArray(6,0); //forse causa memory leak???
60    //    clx = TRefArray(6,0);
61    //    cly = TRefArray(6,0);
62    
63        TrkParams::SetTrackingMode();
64        TrkParams::SetPrecisionFactor();
65        TrkParams::SetStepMin();
66        TrkParams::SetPFA();
67    
68  };  };
69  //--------------------------------------  //--------------------------------------
70  //  //
# Line 71  TrkTrack::TrkTrack(const TrkTrack& t){ Line 87  TrkTrack::TrkTrack(const TrkTrack& t){
87          zm[ip]     = t.zm[ip];          zm[ip]     = t.zm[ip];
88          resx[ip]   = t.resx[ip];          resx[ip]   = t.resx[ip];
89          resy[ip]   = t.resy[ip];          resy[ip]   = t.resy[ip];
90            tailx[ip]  = t.tailx[ip];
91            taily[ip]  = t.taily[ip];
92          xv[ip]     = t.xv[ip];          xv[ip]     = t.xv[ip];
93          yv[ip]     = t.yv[ip];          yv[ip]     = t.yv[ip];
94          zv[ip]     = t.zv[ip];          zv[ip]     = t.zv[ip];
# Line 79  TrkTrack::TrkTrack(const TrkTrack& t){ Line 97  TrkTrack::TrkTrack(const TrkTrack& t){
97          dedx_x[ip] = t.dedx_x[ip];          dedx_x[ip] = t.dedx_x[ip];
98          dedx_y[ip] = t.dedx_y[ip];          dedx_y[ip] = t.dedx_y[ip];
99      };      };
100      clx = new TRefArray(*(t.clx));  //    clx = 0;
101      cly = new TRefArray(*(t.cly));  //    cly = 0;
102            //    if(t.clx)clx = new TRefArray(*(t.clx));
103    //    if(t.cly)cly = new TRefArray(*(t.cly));
104    //    clx = TRefArray(t.clx);
105    //    cly = TRefArray(t.cly);
106    
107        TrkParams::SetTrackingMode();
108        TrkParams::SetPrecisionFactor();
109        TrkParams::SetStepMin();  
110        TrkParams::SetPFA();
111    
112  };  };
113  //--------------------------------------  //--------------------------------------
114  //  //
# Line 105  void TrkTrack::Copy(TrkTrack& t){ Line 132  void TrkTrack::Copy(TrkTrack& t){
132          t.zm[ip]     = zm[ip];          t.zm[ip]     = zm[ip];
133          t.resx[ip]   = resx[ip];          t.resx[ip]   = resx[ip];
134          t.resy[ip]   = resy[ip];          t.resy[ip]   = resy[ip];
135            t.tailx[ip]  = tailx[ip];
136            t.taily[ip]  = taily[ip];
137          t.xv[ip]     = xv[ip];          t.xv[ip]     = xv[ip];
138          t.yv[ip]     = yv[ip];          t.yv[ip]     = yv[ip];
139          t.zv[ip]     = zv[ip];          t.zv[ip]     = zv[ip];
# Line 114  void TrkTrack::Copy(TrkTrack& t){ Line 143  void TrkTrack::Copy(TrkTrack& t){
143          t.dedx_y[ip] = dedx_y[ip];          t.dedx_y[ip] = dedx_y[ip];
144                            
145      };      };
146    
147    //    t.clx = TRefArray(clx);
148    //    t.cly = TRefArray(cly);
149            
150  };  };
151  //--------------------------------------  //--------------------------------------
# Line 139  int TrkTrack::DoTrack(Trajectory* t){ Line 171  int TrkTrack::DoTrack(Trajectory* t){
171      for (int i=0; i<5; i++)         dal[i]  = (double)al[i];      for (int i=0; i<5; i++)         dal[i]  = (double)al[i];
172      for (int i=0; i<t->npoint; i++) dzin[i] = (double)t->z[i];      for (int i=0; i<t->npoint; i++) dzin[i] = (double)t->z[i];
173    
174        TrkParams::Load(1);
175        if( !TrkParams::IsLoaded(1) ){
176            cout << "int TrkTrack::DoTrack(Trajectory* t) --- ERROR --- m.field not loaded"<<endl;
177            return 0;
178        }
179      dotrack_(&(t->npoint),dzin,dxout,dyout,dal,&ifail);      dotrack_(&(t->npoint),dzin,dxout,dyout,dal,&ifail);
180            
181      for (int i=0; i<t->npoint; i++){      for (int i=0; i<t->npoint; i++){
# Line 178  int TrkTrack::DoTrack2(Trajectory* t){ Line 215  int TrkTrack::DoTrack2(Trajectory* t){
215      for (int i=0; i<5; i++)         dal[i]  = (double)al[i];      for (int i=0; i<5; i++)         dal[i]  = (double)al[i];
216      for (int i=0; i<t->npoint; i++) dzin[i] = (double)t->z[i];      for (int i=0; i<t->npoint; i++) dzin[i] = (double)t->z[i];
217    
218        TrkParams::Load(1);
219        if( !TrkParams::IsLoaded(1) ){
220            cout << "int TrkTrack::DoTrack2(Trajectory* t) --- ERROR --- m.field not loaded"<<endl;
221            return 0;
222        }
223      dotrack2_(&(t->npoint),dzin,dxout,dyout,dthxout,dthyout,dtlout,dal,&ifail);      dotrack2_(&(t->npoint),dzin,dxout,dyout,dthxout,dthyout,dtlout,dal,&ifail);
224            
225      for (int i=0; i<t->npoint; i++){      for (int i=0; i<t->npoint; i++){
# Line 217  Float_t TrkTrack::GetDeflection(){ Line 259  Float_t TrkTrack::GetDeflection(){
259          return def;          return def;
260  };  };
261  //  //
262    /**
263     * Method to retrieve the dE/dx measured on a tracker view.
264     * @param ip plane (0-5)
265     * @param iv view (0=x 1=y)
266     */
267    Float_t TrkTrack::GetDEDX(int ip, int iv){
268        if(iv==0 && ip>=0 && ip<6)return fabs(dedx_x[ip]);
269        else if(iv==1 && ip>=0 && ip<6)return fabs(dedx_y[ip]);
270        else {
271            cout << "TrkTrack::GetDEDX(int ip, int iv) -- wrong input parameters "<<ip<<iv<<endl;
272            return 0.;
273        }
274    }
275    /**
276     * Method to evaluate the dE/dx measured on a tracker plane.
277     * The two measurements on x- and y-view are averaged.
278     * @param ip plane (0-5)
279     */
280    Float_t TrkTrack::GetDEDX(int ip){
281        if( (Int_t)XGood(ip)+(Int_t)YGood(ip) == 0 ) return 0;
282        return (GetDEDX(ip,0)+GetDEDX(ip,1))/((Int_t)XGood(ip)+(Int_t)YGood(ip));
283    };
284    
285    /**
286     * Method to evaluate the dE/dx averaged over all planes.
287     */
288  Float_t TrkTrack::GetDEDX(){  Float_t TrkTrack::GetDEDX(){
289          Float_t dedx=0;      Float_t dedx=0;
290          for(Int_t i=0; i<6; i++)dedx+=dedx_x[i]*xgood[i]+dedx_y[i]*ygood[i];      for(Int_t ip=0; ip<6; ip++)dedx+=GetDEDX(ip,0)*XGood(ip)+GetDEDX(ip,1)*YGood(ip);
291          dedx = dedx/(this->GetNX()+this->GetNY());      dedx = dedx/(GetNX()+GetNY());
292          return dedx;      return dedx;
293    };
294    /**
295     * Returns 1 if the cluster on a tracker view includes bad strips.
296     * @param ip plane (0-5)
297     * @param iv view (0=x 1=y)
298     */
299    Bool_t TrkTrack::IsBad(int ip,int iv){
300        if(iv==0 && ip>=0 && ip<6)return (xgood[ip]<0) ;
301        else if(iv==1 && ip>=0 && ip<6)return (ygood[ip]<0) ;
302        else {
303            cout << "TrkTrack::IsBad(int ip, int iv) -- wrong input parameters "<<ip<<iv<<endl;
304            return 0.;
305        }
306    };
307    /**
308     * Returns 1 if the signal on a tracker view is saturated.
309     * @param ip plane (0-5)
310     * @param iv view (0=x 1=y)
311     */
312    Bool_t TrkTrack::IsSaturated(int ip,int iv){
313        if(iv==0 && ip>=0 && ip<6)return (dedx_x[ip]<0) ;
314        else if(iv==1 && ip>=0 && ip<6)return (dedx_y[ip]<0) ;
315        else {
316            cout << "TrkTrack::IsSaturated(int ip, int iv) -- wrong input parameters "<<ip<<iv<<endl;
317            return 0.;
318        }
319    };
320    /**
321     * Returns 1 if either the x or the y signal on a tracker plane is saturated.
322     * @param ip plane (0-5)
323     */
324    Bool_t TrkTrack::IsSaturated(int ip){
325        return (IsSaturated(ip,0)||IsSaturated(ip,1));
326    };
327    /**
328     * Returns 1 if there is at least a saturated signal along the track.
329     */
330    Bool_t TrkTrack::IsSaturated(){
331        for(int ip=0; ip<6; ip++)for(int iv=0; iv<2; iv++)if(IsSaturated(ip,iv))return true;
332        return false;
333    }
334    /**
335     * Returns the track "lever-arm" on the x view, defined as the distance (in planes) between
336     * the upper and lower x measurements (the maximum value of lever-arm is 6).
337     */
338    Int_t TrkTrack::GetLeverArmX(){
339        int first_plane = -1;
340        int last_plane  = -1;
341        for(Int_t ip=0; ip<6; ip++){
342            if( XGood(ip) && first_plane == -1 )first_plane = ip;
343            if( XGood(ip) && first_plane != -1 )last_plane = ip;
344        }
345        if( first_plane == -1 || last_plane == -1){
346            cout<< "Int_t TrkTrack::GetLeverArmX() -- XGood(ip) always false ??? "<<endl;
347            return 0;
348        }
349        return (last_plane-first_plane+1);
350    }
351    /**
352     * Returns the track "lever-arm" on the y view, defined as the distance (in planes) between
353     * the upper and lower y measurements (the maximum value of lever-arm is 6).
354     */
355    Int_t TrkTrack::GetLeverArmY(){
356        int first_plane = -1;
357        int last_plane  = -1;
358        for(Int_t ip=0; ip<6; ip++){
359            if( YGood(ip) && first_plane == -1 )first_plane = ip;
360            if( YGood(ip) && first_plane != -1 )last_plane = ip;
361        }
362        if( first_plane == -1 || last_plane == -1){
363            cout<< "Int_t TrkTrack::GetLeverArmY() -- YGood(ip) always false ??? "<<endl;
364            return 0;
365        }
366        return (last_plane-first_plane+1);
367    }
368    /**
369     * Returns the reduced chi-square of track x-projection
370     */
371    Float_t  TrkTrack::GetChi2X(){
372        float chiq=0;
373        for(int ip=0; ip<6; ip++)if(XGood(ip))chiq+= pow((xv[ip]-xm[ip])/resx[ip],2.);
374        if(GetNX()>3)chiq=chiq/(GetNX()-3);
375        else chiq=0;
376        if(chiq==0)cout << " Float_t  TrkTrack::GetChi2X() -- WARNING -- value not defined "<<chiq<<endl;
377        return chiq;
378    }
379    /**
380     * Returns the reduced chi-square of track y-projection
381     */
382    Float_t  TrkTrack::GetChi2Y(){
383        float chiq=0;
384        for(int ip=0; ip<6; ip++)if(YGood(ip))chiq+= pow((yv[ip]-ym[ip])/resy[ip],2.);
385        if(GetNY()>2)chiq=chiq/(GetNY()-2);
386        else chiq=0;
387        if(chiq==0)cout << " Float_t  TrkTrack::GetChi2Y() -- WARNING -- value not defined "<<chiq<<endl;
388        return chiq;
389    }
390    /**
391     * Returns the logarythm of the likeliwood-function of  track x-projection
392     */
393    Float_t TrkTrack::GetLnLX(){
394        float lnl=0;
395        for(int ip=0; ip<6; ip++)
396            if( XGood(ip) && tailx[ip]!=0 )
397                lnl += (tailx[ip]+1.) * log( (tailx[ip]*pow(resx[ip],2.) + pow(xv[ip]-xm[ip],2.)) / (tailx[ip]*pow(resx[ip],2)) );
398        if(GetNX()>3)lnl=lnl/(GetNX()-3);
399        else lnl=0;
400        if(lnl==0){
401            cout << " Float_t  TrkTrack::GetLnLX() -- WARNING -- value not defined "<<lnl<<endl;
402            Dump();
403        }
404        return lnl;
405        
406    }
407    /**
408     * Returns the logarythm of the likeliwood-function of  track y-projection
409     */
410    Float_t TrkTrack::GetLnLY(){
411        float lnl=0;
412        for(int ip=0; ip<6; ip++)
413            if( YGood(ip) && taily[ip]!=0 )
414                lnl += (taily[ip]+1.) * log( (taily[ip]*pow(resy[ip],2.) + pow(yv[ip]-ym[ip],2.)) / (taily[ip]*pow(resy[ip],2)) );
415        if(GetNY()>2)lnl=lnl/(GetNY()-2);
416        else lnl=0;
417        if(lnl==0){
418            cout << " Float_t  TrkTrack::GetLnLY() -- WARNING -- value not defined "<<lnl<<endl;
419            Dump();
420        }
421        return lnl;
422        
423    }
424    /**
425     * Returns the effective angle, relative to the sensor, on each plane.
426     * @param ip plane (0-5)
427     * @param iv view (0=x 1=y)
428     */
429    Float_t TrkTrack::GetEffectiveAngle(int ip, int iv){
430    
431        if(ip<0 || ip>5){
432            cout << "Float_t TrkTrack::GetEffectiveAngle(int "<<ip<<", int "<<iv<<") ==> wrong input"<<endl;
433            return 0.;
434        }
435    
436        float v[3]={xv[ip],yv[ip],zv[ip]};
437        //-----------------------------------------
438        // effective angle (relative to the sensor)
439        //-----------------------------------------
440        float axv_geo  = axv[ip];
441        float muhall_h = 297.61; //cm**2/Vs
442        float BY = TrkParams::GetBY(v);
443        float axv_eff = 0;
444        if(ip==5) axv_geo = -1*axv_geo;
445        if(ip==5) BY      = -1*BY;
446        axv_eff = 180.*atan( tan(axv_geo*acos(-1.)/180.) + muhall_h * BY * 0.0001)/acos(-1.);
447        //-----------------------------------------
448        // effective angle (relative to the sensor)
449        //-----------------------------------------
450        float ayv_geo = ayv[ip];
451        float muhall_e = 1258.18; //cm**2/Vs
452        float BX = TrkParams::GetBX(v);
453        float ayv_eff = 0;
454        ayv_eff = 180.*atan( tan(ayv_geo*acos(-1.)/180.) + muhall_e * BX * 0.0001)/acos(-1.);
455      
456        if     (iv==0)return axv_eff;
457        else if(iv==1)return ayv_eff;
458        else{
459            cout << "Float_t TrkTrack::GetEffectiveAngle(int "<<ip<<", int "<<iv<<") ==> wrong input"<<endl;
460            return 0.;
461        }
462      
463  };  };
464    
465  //--------------------------------------  //--------------------------------------
# Line 235  void TrkTrack::Dump(){ Line 473  void TrkTrack::Dump(){
473      cout << endl << "al       : "; for(int i=0; i<5; i++)cout << al[i] << " ";      cout << endl << "al       : "; for(int i=0; i<5; i++)cout << al[i] << " ";
474      cout << endl << "chi^2    : "<< chi2;      cout << endl << "chi^2    : "<< chi2;
475      cout << endl << "n.step   : "<< nstep;      cout << endl << "n.step   : "<< nstep;
476      cout << endl << "xgood    : "; for(int i=0; i<6; i++)cout << xgood[i] ;      cout << endl << "xgood    : "; for(int i=0; i<6; i++)cout << XGood(i) ;
477      cout << endl << "ygood    : "; for(int i=0; i<6; i++)cout << ygood[i] ;      cout << endl << "ygood    : "; for(int i=0; i<6; i++)cout << YGood(i) ;
478      cout << endl << "xm       : "; for(int i=0; i<6; i++)cout << xm[i] << " ";      cout << endl << "xm       : "; for(int i=0; i<6; i++)cout << xm[i] << " ";
479      cout << endl << "ym       : "; for(int i=0; i<6; i++)cout << ym[i] << " ";      cout << endl << "ym       : "; for(int i=0; i<6; i++)cout << ym[i] << " ";
480      cout << endl << "zm       : "; for(int i=0; i<6; i++)cout << zm[i] << " ";      cout << endl << "zm       : "; for(int i=0; i<6; i++)cout << zm[i] << " ";
# Line 245  void TrkTrack::Dump(){ Line 483  void TrkTrack::Dump(){
483      cout << endl << "zv       : "; for(int i=0; i<6; i++)cout << zv[i] << " ";      cout << endl << "zv       : "; for(int i=0; i<6; i++)cout << zv[i] << " ";
484      cout << endl << "resx     : "; for(int i=0; i<6; i++)cout << resx[i] << " ";      cout << endl << "resx     : "; for(int i=0; i<6; i++)cout << resx[i] << " ";
485      cout << endl << "resy     : "; for(int i=0; i<6; i++)cout << resy[i] << " ";      cout << endl << "resy     : "; for(int i=0; i<6; i++)cout << resy[i] << " ";
486        cout << endl << "tailx    : "; for(int i=0; i<6; i++)cout << tailx[i] << " ";
487        cout << endl << "taily    : "; for(int i=0; i<6; i++)cout << taily[i] << " ";
488      cout << endl << "coval    : "; for(int i=0; i<5; i++)cout << coval[0][i]<<" ";      cout << endl << "coval    : "; for(int i=0; i<5; i++)cout << coval[0][i]<<" ";
489      cout << endl << "           "; for(int i=0; i<5; i++)cout << coval[1][i]<<" ";      cout << endl << "           "; for(int i=0; i<5; i++)cout << coval[1][i]<<" ";
490      cout << endl << "           "; for(int i=0; i<5; i++)cout << coval[2][i]<<" ";      cout << endl << "           "; for(int i=0; i<5; i++)cout << coval[2][i]<<" ";
# Line 270  void TrkTrack::SetResolution(double *rx, Line 510  void TrkTrack::SetResolution(double *rx,
510      for(int i=0; i<6; i++) resy[i]=*ry++;      for(int i=0; i<6; i++) resy[i]=*ry++;
511  }  }
512  /**  /**
513     * Set the TrkTrack tails position resolution
514     */
515    void TrkTrack::SetTail(double *tx, double *ty, double factor){
516        for(int i=0; i<6; i++) tailx[i]=factor*(*tx++);
517        for(int i=0; i<6; i++) taily[i]=factor*(*ty++);
518    }
519    /**
520     * Set the TrkTrack Student parameter (resx,resy,tailx,taily)
521     * from previous gausian fit
522     *@param flag =0 standard, =1 with noise correction
523     */
524    void TrkTrack::SetStudentParam(int flag){
525        float sx[11]={0.000128242,
526                       0.000136942,
527                       0.000162718,
528                       0.000202644,
529                       0.00025597,
530                       0.000317456,
531                       0.000349048,
532                       0.000384638,
533                       0.000457295,
534                       0.000512319,
535                       0.000538573};
536        float tx[11]={1.79402,
537                       2.04876,
538                       2.88376,
539                       3.3,
540                       3.14084,
541                       4.07686,
542                       4.44736,
543                       3.5179,
544                       3.38697,
545                       3.45739,
546                       3.18627};
547        float sy[11]={0.000483075,
548                       0.000466925,
549                       0.000431658,
550                       0.000428317,
551                       0.000433854,
552                       0.000444044,
553                       0.000482098,
554                       0.000537579,
555                       0.000636279,
556                       0.000741998,
557                       0.000864261};
558        float ty[11]={0.997032,
559                       1.11147,
560                       1.18526,
561                       1.61404,
562                       2.21908,
563                       3.08959,
564                       4.48833,
565                       4.42687,
566                       4.65253,
567                       4.52043,
568                       4.29926};
569        int index;
570        float fact;
571        for(int i=0; i<6; i++) {
572            index = int((fabs(axv[i])+1.)/2.);
573            if(index>10) index=10;
574            tailx[i]=tx[index];
575            if(flag==1) {
576                if(fabs(axv[i])<=10.) fact = resx[i]/risxeta2_(&(axv[i]));
577                if(fabs(axv[i])>10.&&fabs(axv[i])<=15.) fact = resx[i]/risxeta3_(&(axv[i]));
578                if(fabs(axv[i])>15.) fact = resx[i]/risxeta4_(&(axv[i]));
579            } else fact = 1.;
580            resx[i] = sx[index]*fact;
581        }
582        for(int i=0; i<6; i++) {
583            index = int((fabs(ayv[i])+1.)/2.);
584            if(index>10) index=10;
585            taily[i]=ty[index];
586            if(flag==1) fact = resy[i]/risyeta2_(&(ayv[i]));
587            else fact = 1.;
588            resy[i] = sy[index]*fact;
589        }
590    }
591    /**
592   * Set the TrkTrack good measurement   * Set the TrkTrack good measurement
593   */   */
594  void TrkTrack::SetGood(int *xg, int *yg){  void TrkTrack::SetGood(int *xg, int *yg){
595    
596      for(int i=0; i<6; i++) xgood[i]=*xg++;      for(int i=0; i<6; i++) xgood[i]=*xg++;
597      for(int i=0; i<6; i++) ygood[i]=*yg++;      for(int i=0; i<6; i++) ygood[i]=*yg++;
598  }  }
# Line 282  void TrkTrack::SetGood(int *xg, int *yg) Line 602  void TrkTrack::SetGood(int *xg, int *yg)
602   */   */
603  void TrkTrack::LoadField(TString path){  void TrkTrack::LoadField(TString path){
604            
605      strcpy(path_.path,path.Data());  //     strcpy(path_.path,path.Data());
606      path_.pathlen = path.Length();  //     path_.pathlen = path.Length();
607      path_.error   = 0;  //     path_.error   = 0;
608      readb_();  //     readb_();
609    
610        TrkParams::SetTrackingMode();
611        TrkParams::SetPrecisionFactor();
612        TrkParams::SetStepMin();
613    
614        TrkParams::Set(path,1);
615        TrkParams::Load(1);
616    
617  };  };
618    
619    
620  /**  /**
621   * Method to fill minimization-routine common   * Method to fill minimization-routine common
622   */   */
# Line 296  void TrkTrack::FillMiniStruct(cMini2trac Line 624  void TrkTrack::FillMiniStruct(cMini2trac
624    
625      for(int i=0; i<6; i++){      for(int i=0; i<6; i++){
626    
627          track.xgood[i]=xgood[i];  //      cout << i<<" - "<<xgood[i]<<" "<<XGood(i)<<endl;
628          track.ygood[i]=ygood[i];  //      cout << i<<" - "<<ygood[i]<<" "<<YGood(i)<<endl;
629            track.xgood[i]=XGood(i);
630            track.ygood[i]=YGood(i);
631                    
632          track.xm[i]=xm[i];          track.xm[i]=xm[i];
633          track.ym[i]=ym[i];          track.ym[i]=ym[i];
# Line 310  void TrkTrack::FillMiniStruct(cMini2trac Line 640  void TrkTrack::FillMiniStruct(cMini2trac
640          track.xm_b[i]=xm[i];          track.xm_b[i]=xm[i];
641          track.ym_a[i]=ym[i];          track.ym_a[i]=ym[i];
642          track.ym_b[i]=ym[i];          track.ym_b[i]=ym[i];
643          if(       xgood[i] && !ygood[i] ){          if(       XGood(i) && !YGood(i) ){
644              track.ym_a[i] = track.ym_a[i]+segment;              track.ym_a[i] = track.ym_a[i]+segment;
645              track.ym_b[i] = track.ym_b[i]-segment;              track.ym_b[i] = track.ym_b[i]-segment;
646          }else if( !xgood[i] && ygood[i]){          }else if( !XGood(i) && YGood(i)){
647              track.xm_a[i] = track.xm_a[i]+segment;              track.xm_a[i] = track.xm_a[i]+segment;
648              track.xm_b[i] = track.xm_b[i]-segment;              track.xm_b[i] = track.xm_b[i]-segment;
649          }          }
# Line 321  void TrkTrack::FillMiniStruct(cMini2trac Line 651  void TrkTrack::FillMiniStruct(cMini2trac
651                    
652          track.resx[i]=resx[i];          track.resx[i]=resx[i];
653          track.resy[i]=resy[i];          track.resy[i]=resy[i];
654            track.tailx[i]=tailx[i];
655            track.taily[i]=taily[i];
656      }      }
657    
658      for(int i=0; i<5; i++) track.al[i]=al[i];      for(int i=0; i<5; i++) track.al[i]=al[i];
# Line 349  void TrkTrack::SetFromMiniStruct(cMini2t Line 681  void TrkTrack::SetFromMiniStruct(cMini2t
681          axv[i] = track->axv[i];          axv[i] = track->axv[i];
682          ayv[i] = track->ayv[i];          ayv[i] = track->ayv[i];
683      }      }
   
684            
685  }  }
686  /**  /**
687   * Tracking method. It calls F77 mini routine.   * \brief Method to re-evaluate coordinates of clusters associated with a track.
688     *
689     * The method can be applied only after recovering level1 information
690     * (either by reprocessing single events from level0 or from  
691     * the TrkLevel1 branch, if present); it calls F77 subroutines that
692     * read the level1 common and fill the minimization-routine common.
693     * Some clusters can be excluded or added by means of the methods:
694     *
695     * TrkTrack::ResetXGood(int ip)
696     * TrkTrack::ResetYGood(int ip)
697     * TrkTrack::SetXGood(int ip, int cid, int is)
698     * TrkTrack::SetYGood(int ip, int cid, int is)
699     *
700     * NB! The method TrkTrack::SetGood(int *xg, int *yg) set the plane-mask (0-1)
701     * for the minimization-routine common. It deletes the cluster information
702     * (at least for the moment...) thus cannot be applied before
703     * TrkTrack::EvaluateClusterPositions().  
704     *
705     * Different p.f.a. can be applied by calling (once) the method:
706     *
707     * TrkParams::SetPFA(0); //Set ETA p.f.a.
708     *
709     * @see TrkParams::SetPFA(int)
710   */   */
711  void TrkTrack::Fit(double pfixed, int& fail, int iprint){  Bool_t TrkTrack::EvaluateClusterPositions(){
712        
713    //     cout << "void TrkTrack::GetClusterPositions() "<<endl;
714    
715        TrkParams::Load( );
716        if( !TrkParams::IsLoaded() )return false;
717        
718        for(int ip=0; ip<6; ip++){
719    //      cout << ip<<" ** "<<xm[ip]<<" / "<<ym[ip]<<endl;;
720            int icx = GetClusterX_ID(ip)+1;
721            int icy = GetClusterY_ID(ip)+1;
722            int sensor = GetSensor(ip)+1;//<< convenzione "Paolo"
723            if(ip==5 && sensor!=0)sensor=3-sensor;//<< convenzione "Elena"
724            int ladder = GetLadder(ip)+1;
725            float ax = axv[ip];
726            float ay = ayv[ip];
727            float v[3];
728            v[0]=xv[ip];
729            v[1]=yv[ip];
730            v[2]=zv[ip];
731            float bfx = 10*TrkParams::GetBX(v);//Tesla
732            float bfy = 10*TrkParams::GetBY(v);//Tesla
733            int ipp=ip+1;
734            xyzpam_(&ipp,&icx,&icy,&ladder,&sensor,&ax,&ay,&bfx,&bfy);
735            if(icx<0 || icy<0)return false;
736        }
737        return true;
738    }
739    /**
740     * \brief Tracking method. It calls F77 mini routine.
741     *
742     * @param pfixed Particle momentum. If pfixed=0 the momentum
743     * is left as a free parameter, otherwise it is fixed to the input value.
744     * @param fail Output flag (!=0 if the fit failed).
745     * @param iprint Flag to set debug mode ( 0 = no output; 1 = verbose; 2 = debug).
746     * @param froml1 Flag to re-evaluate positions (see TrkTrack::GetClusterPositions()).
747     *
748     * The option to re-evaluate positions can be used only after recovering
749     * level1 information, eg. by reprocessing the single event.
750     *
751     * Example:
752     *
753     * if( !event->GetTrkLevel0() )return false;
754     * event->GetTrkLevel0()->ProcessEvent(); // re-processing level0->level1
755     * int fail=0;
756     * event->GetTrkLevel2()->GetTrack(0)->Fit(0.,fail,0,1);
757     *
758     * @see EvaluateClusterPositions()
759     *
760     * The fitting procedure can be varied by changing the tracking mode,
761     * the fit-precision factor and the minimum number of step.
762     * @see SetTrackingMode(int)
763     * @see SetPrecisionFactor(double)
764     * @see SetStepMin(int)
765     */
766    void TrkTrack::Fit(double pfixed, int& fail, int iprint, int froml1){
767    
768      float al_ini[] = {0.,0.,0.,0.,0.};      float al_ini[] = {0.,0.,0.,0.,0.};
769    
770        TrkParams::Load( );
771        if( !TrkParams::IsLoaded() )return;
772    
773      extern cMini2track track_;      extern cMini2track track_;
774      fail = 0;      fail = 0;
     FillMiniStruct(track_);  
775    
776        FillMiniStruct(track_);
777            
778        if(froml1!=0){
779            if( !EvaluateClusterPositions() ){
780                cout << "void TrkTrack::Fit("<<pfixed<<","<<fail<<","<<iprint<<","<<froml1<<") --- ERROR evaluating cluster positions "<<endl;
781                FillMiniStruct(track_) ;
782                fail = 1;
783                return;
784            }
785        }else{
786            FillMiniStruct(track_);
787        }
788        
789      // if fit variables have been reset, evaluate the initial guess      // if fit variables have been reset, evaluate the initial guess
790      if(al[0]==-9999.&&al[1]==-9999.&&al[2]==-9999.&&al[3]==-9999.&&al[4]==-9999.)guess_();      if(al[0]==-9999.&&al[1]==-9999.&&al[2]==-9999.&&al[3]==-9999.&&al[4]==-9999.)guess_();
791    
# Line 381  void TrkTrack::Fit(double pfixed, int& f Line 804  void TrkTrack::Fit(double pfixed, int& f
804    
805      //  ------------------------------------------      //  ------------------------------------------
806      //  call mini routine      //  call mini routine
807    //     TrkParams::Load(1);
808    //     if( !TrkParams::IsLoaded(1) ){
809    //      cout << "void TrkTrack::Fit(double pfixed, int& fail, int iprint) --- ERROR --- m.field not loaded"<<endl;
810    //      return;
811    //     }
812      int istep=0;      int istep=0;
813      int ifail=0;      int ifail=0;
814      mini2_(&istep,&ifail, &iprint);      mini2_(&istep,&ifail, &iprint);
# Line 391  void TrkTrack::Fit(double pfixed, int& f Line 819  void TrkTrack::Fit(double pfixed, int& f
819      //  ------------------------------------------      //  ------------------------------------------
820            
821      SetFromMiniStruct(&track_);      SetFromMiniStruct(&track_);
 //    cout << endl << "eta ===> " << track_.al[4] << endl;  
   
 //     for(int i=0; i<5; i++) al[i]=track_.al[i];  
 //     chi2=track_.chi2;  
 //     nstep=track_.nstep;  
 //     for(int i=0; i<6; i++) xv[i]=track_.xv[i];  
 //     for(int i=0; i<6; i++) yv[i]=track_.yv[i];  
 //     for(int i=0; i<6; i++) zv[i]=track_.zv[i];  
 //     for(int i=0; i<6; i++) axv[i]=track_.axv[i];  
 //     for(int i=0; i<6; i++) ayv[i]=track_.ayv[i];  
 //     for(int i=0; i<5; i++) {  
 //      for(int j=0; j<5; j++) coval[i][j]=track_.cov[i][j];  
 //     }  
822    
823      if(fail){      if(fail){
824          if(iprint)cout << " >>>> fit failed >>>> drawing initial par"<<endl;          if(iprint)cout << " >>>> fit failed "<<endl;
825          for(int i=0; i<5; i++) al[i]=al_ini[i];          for(int i=0; i<5; i++) al[i]=al_ini[i];
826      }      }
827    
828  };  };
829  /*  /**
830   * Reset the fit parameters   * Reset the fit parameters
831   */   */
832  void TrkTrack::FitReset(){  void TrkTrack::FitReset(){
833      for(int i=0; i<5; i++) al[i]=-9999.;      for(int i=0; i<5; i++) al[i]=-9999.;
834      chi2=0.;      chi2=0.;
835      nstep=0;      nstep=0;
836      for(int i=0; i<6; i++) xv[i]=0.;  //     for(int i=0; i<6; i++) xv[i]=0.;
837      for(int i=0; i<6; i++) yv[i]=0.;  //     for(int i=0; i<6; i++) yv[i]=0.;
838      for(int i=0; i<6; i++) zv[i]=0.;  //     for(int i=0; i<6; i++) zv[i]=0.;
839      for(int i=0; i<6; i++) axv[i]=0.;  //     for(int i=0; i<6; i++) axv[i]=0.;
840      for(int i=0; i<6; i++) ayv[i]=0.;  //     for(int i=0; i<6; i++) ayv[i]=0.;
841      for(int i=0; i<5; i++) {      for(int i=0; i<5; i++) {
842          for(int j=0; j<5; j++) coval[i][j]=0.;          for(int j=0; j<5; j++) coval[i][j]=0.;
843      }      }
844  }  }
845    /**
846     * Set the tracking mode
847     */
848    void TrkTrack::SetTrackingMode(int trackmode){
849        extern cMini2track track_;
850        track_.trackmode = trackmode;
851    }
852    /**
853     * Set the factor scale for tracking precision
854     */
855    void TrkTrack::SetPrecisionFactor(double fact){
856        extern cMini2track track_;
857        track_.fact = fact;
858    }
859    /**
860     * Set the minimum number of steps for tracking precision
861     */
862    void TrkTrack::SetStepMin(int istepmin){
863        extern cMini2track track_;
864        track_.istepmin = istepmin;
865    }
866    /**
867     * Returns 1 if the track is inside the magnet cavity
868     * Set the minimum number of steps for tracking precision
869     */
870    Bool_t TrkTrack::IsInsideCavity(){
871        float xmagntop, ymagntop, xmagnbottom, ymagnbottom;
872        xmagntop = xv[0] + (ZMAGNHIGH-zv[0])*tan(cos(-1.0)*axv[0]/180.);
873        ymagntop = yv[0] + (ZMAGNHIGH-zv[0])*tan(cos(-1.0)*ayv[0]/180.);
874        xmagnbottom = xv[5] + (ZMAGNLOW-zv[5])*tan(cos(-1.0)*axv[5]/180.);
875        ymagnbottom = yv[5] + (ZMAGNLOW-zv[5])*tan(cos(-1.0)*ayv[5]/180.);
876        if( xmagntop>XMAGNLOW && xmagntop<XMAGNHIGH &&
877            ymagntop>YMAGNLOW && ymagntop<YMAGNHIGH &&
878            xmagnbottom>XMAGNLOW && xmagnbottom<XMAGNHIGH &&
879            ymagnbottom>YMAGNLOW && ymagnbottom<YMAGNHIGH ) return(true);
880        else return(false);
881    }
882    /**
883     * Method to retrieve ID (0,1,...) of x-cluster (if any) associated to this track.
884     * If no cluster is associated, ID=-1.
885     * @param ip Tracker plane (0-5)
886     */
887    Int_t TrkTrack::GetClusterX_ID(int ip){
888        return ((Int_t)fabs(xgood[ip]))%10000000-1;
889    };
890    /**
891     * Method to retrieve ID (0-xxx) of y-cluster (if any) associated to this track.
892     * If no cluster is associated, ID=-1.
893     * @param ip Tracker plane (0-5)
894     */
895    Int_t TrkTrack::GetClusterY_ID(int ip){
896        return ((Int_t)fabs(ygood[ip]))%10000000-1;
897    };
898    /**
899     * Method to retrieve the ladder (0-4, increasing x) traversed by the track on this plane.
900     * If no ladder is traversed (dead area) the metod retuns -1.
901     * @param ip Tracker plane (0-5)
902     */
903    Int_t TrkTrack::GetLadder(int ip){
904        if(XGood(ip))return (Int_t)fabs(xgood[ip]/100000000)-1;
905        if(YGood(ip))return (Int_t)fabs(ygood[ip]/100000000)-1;
906        return -1;
907    };
908    /**
909     * Method to retrieve the sensor (0-1, increasing y) traversed by the track on this plane.
910     * If no sensor is traversed (dead area) the metod retuns -1.
911     * @param ip Tracker plane (0-5)
912     */
913    Int_t TrkTrack::GetSensor(int ip){
914        if(XGood(ip))return (Int_t)((Int_t)fabs(xgood[ip]/10000000)%10)-1;
915        if(YGood(ip))return (Int_t)((Int_t)fabs(ygood[ip]/10000000)%10)-1;
916        return -1;
917    };
918    
919    /**
920     * \brief Method to include a x-cluster to the track.
921     * @param ip Tracker plane (0-5)
922     * @param clid Cluster ID (0,1,...)
923     * @param is Sensor (0-1, increasing y)
924     * @see Fit(double pfixed, int& fail, int iprint, int froml1)
925     */
926    void TrkTrack::SetXGood(int ip, int clid, int is){
927        int il=0;       //ladder (temporary)
928        bool bad=false; //ladder (temporary)
929        xgood[ip]=il*100000000+is*10000000+clid;
930        if(bad)xgood[ip]=-xgood[ip];
931    };
932    /**
933     * \brief Method to include a y-cluster to the track.
934     * @param ip Tracker plane (0-5)
935     * @param clid Cluster ID (0,1,...)
936     * @param is Sensor (0-1)
937     * @see Fit(double pfixed, int& fail, int iprint, int froml1)
938     */
939    void TrkTrack::SetYGood(int ip, int clid, int is){
940        int il=0;       //ladder (temporary)
941        bool bad=false; //ladder (temporary)
942        ygood[ip]=il*100000000+is*10000000+clid;
943        if(bad)ygood[ip]=-ygood[ip];
944    };
945    
946  //--------------------------------------  //--------------------------------------
947  //  //
# Line 450  void TrkTrack::Clear(){ Line 965  void TrkTrack::Clear(){
965          zm[ip]     = 0;          zm[ip]     = 0;
966          resx[ip]   = 0;          resx[ip]   = 0;
967          resy[ip]   = 0;          resy[ip]   = 0;
968            tailx[ip]  = 0;
969            taily[ip]  = 0;
970          xv[ip]     = 0;          xv[ip]     = 0;
971          yv[ip]     = 0;          yv[ip]     = 0;
972          zv[ip]     = 0;          zv[ip]     = 0;
# Line 459  void TrkTrack::Clear(){ Line 976  void TrkTrack::Clear(){
976          dedx_y[ip] = 0;          dedx_y[ip] = 0;
977    
978      };      };
979      if(clx)clx->Clear();  //     if(clx)clx->Clear();
980      if(cly)cly->Clear();  //     if(cly)cly->Clear();
981    //    clx.Clear();
982    //    cly.Clear();
983  };  };
984  //--------------------------------------  //--------------------------------------
985  //  //
# Line 468  void TrkTrack::Clear(){ Line 987  void TrkTrack::Clear(){
987  //--------------------------------------  //--------------------------------------
988  void TrkTrack::Delete(){  void TrkTrack::Delete(){
989  //    cout << "TrkTrack::Delete()"<<endl;  //    cout << "TrkTrack::Delete()"<<endl;
990  //    Clear();      Clear();
991      if(clx)delete clx;  //    if(clx)delete clx;
992      if(cly)delete cly;  //    if(cly)delete cly;
993  };  };
994  //--------------------------------------  //--------------------------------------
995  //  //
# Line 500  TrkSinglet::TrkSinglet(const TrkSinglet& Line 1019  TrkSinglet::TrkSinglet(const TrkSinglet&
1019      coord[1] = s.coord[1];      coord[1] = s.coord[1];
1020      sgnl     = s.sgnl;      sgnl     = s.sgnl;
1021  //      cls      = 0;//<<<<pointer  //      cls      = 0;//<<<<pointer
1022      cls      = TRef(s.cls);  //    cls      = TRef(s.cls);
1023  };  };
1024  //--------------------------------------  //--------------------------------------
1025  //  //
# Line 531  void TrkSinglet::Clear(){ Line 1050  void TrkSinglet::Clear(){
1050  //  //
1051  //--------------------------------------  //--------------------------------------
1052  TrkLevel2::TrkLevel2(){  TrkLevel2::TrkLevel2(){
1053  //    cout <<"TrkLevel2::TrkLevel2()"<<endl;    //    cout <<"TrkLevel2::TrkLevel2()"<<endl;
1054      for(Int_t i=0; i<12 ; i++){      for(Int_t i=0; i<12 ; i++){
1055                  good[i] = -1;          good[i] = -1;
1056          };          VKmask[i] = 0;
1057  //    Track    = new TClonesArray("TrkTrack");          VKflag[i] = 0;  
1058  //    SingletX = new TClonesArray("TrkSinglet");      };
 //    SingletY = new TClonesArray("TrkSinglet");  
1059      Track    = 0;      Track    = 0;
1060      SingletX = 0;      SingletX = 0;
1061      SingletY = 0;      SingletY = 0;
# Line 547  TrkLevel2::TrkLevel2(){ Line 1065  TrkLevel2::TrkLevel2(){
1065  //  //
1066  //  //
1067  //--------------------------------------  //--------------------------------------
1068    void TrkLevel2::Set(){
1069        if(!Track)Track    = new TClonesArray("TrkTrack");
1070        if(!SingletX)SingletX = new TClonesArray("TrkSinglet");
1071        if(!SingletY)SingletY = new TClonesArray("TrkSinglet");
1072    }
1073    //--------------------------------------
1074    //
1075    //
1076    //--------------------------------------
1077  void TrkLevel2::Dump(){  void TrkLevel2::Dump(){
1078                    
1079          //          //
# Line 555  void TrkLevel2::Dump(){ Line 1082  void TrkLevel2::Dump(){
1082      cout << endl << "ntrk()   : " << this->ntrk() ;      cout << endl << "ntrk()   : " << this->ntrk() ;
1083      cout << endl << "nclsx()  : " << this->nclsx();      cout << endl << "nclsx()  : " << this->nclsx();
1084      cout << endl << "nclsy()  : " << this->nclsy();      cout << endl << "nclsy()  : " << this->nclsy();
 //     TClonesArray &t  = *Track;  
 //     TClonesArray &sx = *SingletX;  
 //     TClonesArray &sy = *SingletY;  
 //     for(int i=0; i<ntrk(); i++)     ((TrkTrack *)t[i])->Dump();  
 //     for(int i=0; i<nclsx(); i++) ((TrkSinglet *)sx[i])->Dump();  
 //     for(int i=0; i<nclsy(); i++) ((TrkSinglet *)sy[i])->Dump();  
1085      if(Track){      if(Track){
1086          TClonesArray &t  = *Track;          TClonesArray &t  = *Track;
1087          for(int i=0; i<ntrk(); i++)     ((TrkTrack *)t[i])->Dump();          for(int i=0; i<ntrk(); i++)     ((TrkTrack *)t[i])->Dump();
# Line 574  void TrkLevel2::Dump(){ Line 1095  void TrkLevel2::Dump(){
1095          for(int i=0; i<nclsy(); i++) ((TrkSinglet *)sy[i])->Dump();          for(int i=0; i<nclsy(); i++) ((TrkSinglet *)sy[i])->Dump();
1096      }      }
1097  }  }
1098    /**
1099     * \brief Dump processing status
1100     */
1101    void TrkLevel2::StatusDump(int view){
1102        cout << "DSP n. "<<view+1<<" status: "<<hex<<good[view]<<endl;    
1103    };
1104    /**
1105     * \brief Check event status
1106     *
1107     * Check the event status, according to a flag-mask given as input.
1108     * Return true if the view passes the check.
1109     *
1110     * @param view View number (0-11)
1111     * @param flagmask Mask of flags to check (eg. flagmask=0x111 no missing packet,
1112     *  no crc error, no software alarm)
1113     *
1114     * @see TrkLevel2 class definition to know how the status flag is defined
1115     *
1116     */
1117    Bool_t TrkLevel2::StatusCheck(int view, int flagmask){
1118    
1119        if( view<0 || view >= 12)return false;
1120        return !(good[view]&flagmask);
1121    
1122    };
1123    
1124    
1125  //--------------------------------------  //--------------------------------------
1126  //  //
1127  //  //
1128  //--------------------------------------  //--------------------------------------
1129  /**  /**
1130   * Fills a TrkLevel2 object with values from a struct cTrkLevel2 (to get data from F77 common).   * The method returns false if the viking-chip was masked  
1131     * either apriori ,on the basis of the mask read from the DB,
1132     * or run-by-run, on the basis of the calibration parameters)
1133     * @param iv Tracker view (0-11)
1134     * @param ivk Viking-chip number (0-23)
1135     */
1136    Bool_t TrkLevel2::GetVKMask(int iv, int ivk){
1137        Int_t whichbit = (Int_t)pow(2,ivk);
1138        return (whichbit&VKmask[iv])!=0;    
1139    }
1140    /**
1141     * The method returns false if the viking-chip was masked  
1142     * for this event due to common-noise computation failure.
1143     * @param iv Tracker view (0-11)
1144     * @param ivk Viking-chip number (0-23)
1145     */
1146    Bool_t TrkLevel2::GetVKFlag(int iv, int ivk){
1147        Int_t whichbit = (Int_t)pow(2,ivk);
1148        return (whichbit&VKflag[iv])!=0;    
1149    }
1150    /**
1151     * The method returns true if the viking-chip was masked, either
1152     * forced (see TrkLevel2::GetVKMask(int,int)) or
1153     * for this event only (TrkLevel2::GetVKFlag(int,int)).
1154     * @param iv Tracker view (0-11)
1155     * @param ivk Viking-chip number (0-23)
1156     */
1157    Bool_t TrkLevel2::IsMaskedVK(int iv, int ivk){
1158        return !(GetVKMask(iv,ivk)&&GetVKFlag(iv,ivk) );
1159    };
1160    
1161    //--------------------------------------
1162    //
1163    //
1164    //--------------------------------------
1165    /**
1166     * Fills a TrkLevel2 object with values from a struct cTrkLevel2 (to get data from F77 common).
1167     * Ref to Level1 data (clusters) is also set. If l1==NULL no references are set.
1168     * (NB It make sense to set references only if events are stored in a tree that contains also the Level1 branch)
1169   */   */
1170  void TrkLevel2::SetFromLevel2Struct(cTrkLevel2 *l2){  void TrkLevel2::SetFromLevel2Struct(cTrkLevel2 *l2, TrkLevel1 *l1){
1171    
1172    //    cout << "void TrkLevel2::SetFromLevel2Struct(cTrkLevel2 *l2, TrkLevel1 *l1)"<<endl;
1173        Clear();
1174    
1175          //  temporary objects:  //  temporary objects:
1176      TrkSinglet* t_singlet = new TrkSinglet();      TrkSinglet* t_singlet = new TrkSinglet();
1177      TrkTrack*   t_track   = new TrkTrack();      TrkTrack*   t_track   = new TrkTrack();
1178    
1179          //  **** general variables ****  //  -----------------
1180  //    good2 = l2->good2;  //  general variables
1181    //  -----------------
1182      for(Int_t i=0; i<12 ; i++){      for(Int_t i=0; i<12 ; i++){
1183  //              crc[i] = l2->crc[i];          good[i] = l2->good[i];
1184                  good[i] = l2->good[i];          VKmask[i]=0;
1185            VKflag[i]=0;
1186            for(Int_t ii=0; ii<24 ; ii++){
1187                Int_t setbit = (Int_t)pow(2,ii);
1188                if( l2->vkflag[ii][i]!=-1 )VKmask[i]=VKmask[i]|setbit;
1189                if( l2->vkflag[ii][i]!=0  )VKflag[i]=VKflag[i]|setbit;
1190          };          };
1191          //  *** TRACKS ***      };
1192    //  --------------
1193    //  *** TRACKS ***
1194    //  --------------
1195      if(!Track) Track = new TClonesArray("TrkTrack");      if(!Track) Track = new TClonesArray("TrkTrack");
1196      TClonesArray &t = *Track;      TClonesArray &t = *Track;
1197    
1198      for(int i=0; i<l2->ntrk; i++){      for(int i=0; i<l2->ntrk; i++){
1199          t_track->seqno = i;// NBNBNBNB deve sempre essere = i          t_track->seqno = i;// NBNBNBNB deve sempre essere = i
1200          t_track->image = l2->image[i]-1;          t_track->image = l2->image[i]-1;
         //      cout << "track "<<i<<t_track->seqno << t_track->image<<endl;  
1201          t_track->chi2  = l2->chi2_nt[i];          t_track->chi2  = l2->chi2_nt[i];
1202          t_track->nstep = l2->nstep_nt[i];          t_track->nstep = l2->nstep_nt[i];
1203          for(int it1=0;it1<5;it1++){          for(int it1=0;it1<5;it1++){
# Line 608  void TrkLevel2::SetFromLevel2Struct(cTrk Line 1206  void TrkLevel2::SetFromLevel2Struct(cTrk
1206                  t_track->coval[it1][it2] = l2->coval[i][it2][it1];                  t_track->coval[it1][it2] = l2->coval[i][it2][it1];
1207          };          };
1208          for(int ip=0;ip<6;ip++){          for(int ip=0;ip<6;ip++){
1209              t_track->xgood[ip]  = l2->xgood_nt[i][ip];              // ---------------------------------
1210              t_track->ygood[ip]  = l2->ygood_nt[i][ip];              // new implementation of xgood/ygood
1211                // ---------------------------------
1212                t_track->xgood[ip]  = l2->cltrx[i][ip]; //cluster ID
1213                t_track->ygood[ip]  = l2->cltry[i][ip]; //cluster ID
1214                t_track->xgood[ip] += 10000000*l2->ls[i][ip]; // ladder+sensor
1215                t_track->ygood[ip] += 10000000*l2->ls[i][ip]; // ladder+sensor
1216                if(l2->xbad[i][ip]>0)t_track->xgood[ip]=-t_track->xgood[ip];
1217                if(l2->ybad[i][ip]>0)t_track->ygood[ip]=-t_track->ygood[ip];
1218    //          if(l2->xbad[i][ip]>0 || l2->ybad[i][ip]>0){
1219    //          if(l2->dedx_x[i][ip]<0 || l2->dedx_y[i][ip]<0){
1220    //              cout << ip << " - "<< l2->cltrx[i][ip] << " "<<l2->cltry[i][ip]<<" "<<l2->ls[i][ip]<<endl;
1221    //              cout << ip << " - "<<t_track->xgood[ip]<<" "<<t_track->ygood[ip]<<endl;
1222    //              cout << ip << " - "<<t_track->GetClusterX_ID(ip)<<" "<<t_track->GetClusterY_ID(ip)<<" "<<t_track->GetLadder(ip)<<" "<<t_track->GetSensor(ip)<<endl;
1223    //              cout << ip << " - "<<t_track->BadClusterX(ip)<<" "<<t_track->BadClusterY(ip)<<endl;
1224    //              cout << ip << " - "<<t_track->SaturatedClusterX(ip)<<" "<<t_track->SaturatedClusterY(ip)<<endl;
1225    //          }
1226              t_track->xm[ip]     = l2->xm_nt[i][ip];              t_track->xm[ip]     = l2->xm_nt[i][ip];
1227              t_track->ym[ip]     = l2->ym_nt[i][ip];              t_track->ym[ip]     = l2->ym_nt[i][ip];
1228              t_track->zm[ip]     = l2->zm_nt[i][ip];              t_track->zm[ip]     = l2->zm_nt[i][ip];
1229              t_track->resx[ip]   = l2->resx_nt[i][ip];              t_track->resx[ip]   = l2->resx_nt[i][ip];
1230              t_track->resy[ip]   = l2->resy_nt[i][ip];              t_track->resy[ip]   = l2->resy_nt[i][ip];
1231                t_track->tailx[ip]  = l2->tailx[i][ip];
1232                t_track->taily[ip]  = l2->taily[i][ip];
1233              t_track->xv[ip]     = l2->xv_nt[i][ip];              t_track->xv[ip]     = l2->xv_nt[i][ip];
1234              t_track->yv[ip]     = l2->yv_nt[i][ip];              t_track->yv[ip]     = l2->yv_nt[i][ip];
1235              t_track->zv[ip]     = l2->zv_nt[i][ip];              t_track->zv[ip]     = l2->zv_nt[i][ip];
# Line 622  void TrkLevel2::SetFromLevel2Struct(cTrk Line 1237  void TrkLevel2::SetFromLevel2Struct(cTrk
1237              t_track->ayv[ip]    = l2->ayv_nt[i][ip];              t_track->ayv[ip]    = l2->ayv_nt[i][ip];
1238              t_track->dedx_x[ip] = l2->dedx_x[i][ip];              t_track->dedx_x[ip] = l2->dedx_x[i][ip];
1239              t_track->dedx_y[ip] = l2->dedx_y[i][ip];              t_track->dedx_y[ip] = l2->dedx_y[i][ip];
1240  //                      t_track->clx[ip] = 0;              //-----------------------------------------------------
1241  //                      t_track->cly[ip] = 0;              //-----------------------------------------------------
1242                //-----------------------------------------------------
1243                //-----------------------------------------------------
1244          };          };
1245    //      if(t_track->IsSaturated())t_track->Dump();
1246          new(t[i]) TrkTrack(*t_track);          new(t[i]) TrkTrack(*t_track);
1247          t_track->Clear();          t_track->Clear();
1248      };      };
1249    
1250    //  ----------------
1251  //  *** SINGLETS ***  //  *** SINGLETS ***
1252    //  ----------------
1253      if(!SingletX)SingletX = new TClonesArray("TrkSinglet");      if(!SingletX)SingletX = new TClonesArray("TrkSinglet");
1254      TClonesArray &sx = *SingletX;      TClonesArray &sx = *SingletX;
1255      for(int i=0; i<l2->nclsx; i++){      for(int i=0; i<l2->nclsx; i++){
# Line 636  void TrkLevel2::SetFromLevel2Struct(cTrk Line 1257  void TrkLevel2::SetFromLevel2Struct(cTrk
1257          t_singlet->coord[0] = l2->xs[i][0];          t_singlet->coord[0] = l2->xs[i][0];
1258          t_singlet->coord[1] = l2->xs[i][1];          t_singlet->coord[1] = l2->xs[i][1];
1259          t_singlet->sgnl     = l2->signlxs[i];          t_singlet->sgnl     = l2->signlxs[i];
1260  //              t_singlet->cls      = 0;          //-----------------------------------------------------
1261    //      if(l1) t_singlet->cls      = l1->GetCluster(l2->clsx[i]-1);
1262            //-----------------------------------------------------
1263          new(sx[i]) TrkSinglet(*t_singlet);          new(sx[i]) TrkSinglet(*t_singlet);
1264          t_singlet->Clear();          t_singlet->Clear();
1265      }      }
# Line 647  void TrkLevel2::SetFromLevel2Struct(cTrk Line 1270  void TrkLevel2::SetFromLevel2Struct(cTrk
1270          t_singlet->coord[0] = l2->ys[i][0];          t_singlet->coord[0] = l2->ys[i][0];
1271          t_singlet->coord[1] = l2->ys[i][1];          t_singlet->coord[1] = l2->ys[i][1];
1272          t_singlet->sgnl     = l2->signlys[i];          t_singlet->sgnl     = l2->signlys[i];
1273  //              t_singlet->cls      = 0;          //-----------------------------------------------------
1274    //      if(l1) t_singlet->cls      = l1->GetCluster(l2->clsy[i]-1);
1275            //-----------------------------------------------------
1276          new(sy[i]) TrkSinglet(*t_singlet);          new(sy[i]) TrkSinglet(*t_singlet);
1277          t_singlet->Clear();          t_singlet->Clear();
1278      };      };
# Line 655  void TrkLevel2::SetFromLevel2Struct(cTrk Line 1280  void TrkLevel2::SetFromLevel2Struct(cTrk
1280      delete t_track;      delete t_track;
1281      delete t_singlet;      delete t_singlet;
1282  }  }
 //--------------------------------------  
 //  
 //  
 //--------------------------------------  
 /**  
  * Fills a TrkLevel2 object with values from a struct cTrkLevel2 (to get data from F77 common).  
  * Ref to Level1 data (clusters) is also set.  
  */  
 void TrkLevel2::SetFromLevel2Struct(cTrkLevel2 *l2, TrkLevel1 *l1){  
   
 //  temporary objects:  
         TrkSinglet* t_singlet = new TrkSinglet();  
         TrkTrack*   t_track   = new TrkTrack();  
 // general variables  
 //      good2 = l2->good2;  
         for(Int_t i=0; i<12 ; i++){  
 //              crc[i] = l2->crc[i];  
                 good[i] = l2->good[i];  
         };  
 // *** TRACKS ***  
         if(!Track) Track = new TClonesArray("TrkTrack");  
         TClonesArray &t = *Track;  
         if(!t_track->clx)t_track->clx = new TRefArray(6,0);  
         if(!t_track->cly)t_track->cly = new TRefArray(6,0);  
         for(int i=0; i<l2->ntrk; i++){  
                 t_track->seqno = i;// NBNBNBNB deve sempre essere = i  
                 t_track->image = l2->image[i]-1;  
 //              cout << "track "<<i<<t_track->seqno << t_track->image<<endl;  
                 t_track->chi2  = l2->chi2_nt[i];  
                 t_track->nstep = l2->nstep_nt[i];  
                 for(int it1=0;it1<5;it1++){  
                         t_track->al[it1] = l2->al_nt[i][it1];  
                         for(int it2=0;it2<5;it2++)  
                                 t_track->coval[it1][it2] = l2->coval[i][it2][it1];  
                 };  
                 for(int ip=0;ip<6;ip++){  
                         t_track->xgood[ip]  = l2->xgood_nt[i][ip];  
                         t_track->ygood[ip]  = l2->ygood_nt[i][ip];  
                         t_track->xm[ip]     = l2->xm_nt[i][ip];  
                         t_track->ym[ip]     = l2->ym_nt[i][ip];  
                         t_track->zm[ip]     = l2->zm_nt[i][ip];  
                         t_track->resx[ip]   = l2->resx_nt[i][ip];  
                         t_track->resy[ip]   = l2->resy_nt[i][ip];  
                         t_track->xv[ip]     = l2->xv_nt[i][ip];  
                         t_track->yv[ip]     = l2->yv_nt[i][ip];  
                         t_track->zv[ip]     = l2->zv_nt[i][ip];  
                         t_track->axv[ip]    = l2->axv_nt[i][ip];  
                         t_track->ayv[ip]    = l2->ayv_nt[i][ip];  
                         t_track->dedx_x[ip] = l2->dedx_x[i][ip];  
                         t_track->dedx_y[ip] = l2->dedx_y[i][ip];  
 //                      cout << "traccia "<<i<<"  --  "<< ip << " "<< l2->cltrx[i][ip] <<" "<< l2->cltry[i][ip] <<" "<< t_track->xgood[ip] << t_track->ygood[ip]<<endl;  
                         //-----------------------------------------------------  
                         //-----------------------------------------------------  
                         if(t_track->xgood[ip])t_track->clx->AddAt(l1->GetCluster(l2->cltrx[i][ip]-1),ip);  
                         if(t_track->ygood[ip])t_track->cly->AddAt(l1->GetCluster(l2->cltry[i][ip]-1),ip);  
 //                      if(t_track->ygood[ip])cout<<" i "<<i<<" ip "<<ip<<" l2->cltry[i][ip] "<<l2->cltry[i][ip]<< " l1->GetCluster(l2->cltry[i][ip]-1) "<<l1->GetCluster(l2->cltry[i][ip]-1)<<endl;  
 //                      if(t_track->xgood[ip])cout<<" i "<<i<<" ip "<<ip<<" l2->cltrx[i][ip] "<<l2->cltrx[i][ip]<< " l1->GetCluster(l2->cltrx[i][ip]-1) "<<l1->GetCluster(l2->cltrx[i][ip]-1)<<endl;  
                         //-----------------------------------------------------  
                         //-----------------------------------------------------  
                 };  
                 new(t[i]) TrkTrack(*t_track);  
                 t_track->Clear();  
         };  
 // *** SINGLETS ***  
         if(!SingletX)SingletX = new TClonesArray("TrkSinglet");  
         TClonesArray &sx = *SingletX;  
         for(int i=0; i<l2->nclsx; i++){  
                 t_singlet->plane    = l2->planex[i];  
                 t_singlet->coord[0] = l2->xs[i][0];  
                 t_singlet->coord[1] = l2->xs[i][1];  
                 t_singlet->sgnl     = l2->signlxs[i];  
                 //-----------------------------------------------------  
 //              cout << "singolo x "<<i<<"  --  "<<  l2->clsx[i] <<endl;  
                 t_singlet->cls      = l1->GetCluster(l2->clsx[i]-1);  
 //              cout<<" i "<<i<<" l2->clsx[i] "<<l2->clsx[i]<< " l1->GetCluster(l2->clsx[i]-1) "<<l1->GetCluster(l2->clsx[i]-1)<<endl;            
                 //-----------------------------------------------------  
                 new(sx[i]) TrkSinglet(*t_singlet);  
                 t_singlet->Clear();  
         }  
         if(!SingletY)SingletY = new TClonesArray("TrkSinglet");  
         TClonesArray &sy = *SingletY;  
         for(int i=0; i<l2->nclsy; i++){  
                 t_singlet->plane    = l2->planey[i];  
                 t_singlet->coord[0] = l2->ys[i][0];  
                 t_singlet->coord[1] = l2->ys[i][1];  
                 t_singlet->sgnl     = l2->signlys[i];  
                 //-----------------------------------------------------  
 //              cout << "singolo y "<<i<<"  --  "<<  l2->clsy[i] <<endl;  
                 t_singlet->cls      = l1->GetCluster(l2->clsy[i]-1);  
 //              cout<<" i "<<i<<" l2->clsy[i] "<<l2->clsy[i]<< " l1->GetCluster(l2->clsy[i]-1) "<<l1->GetCluster(l2->clsy[i]-1)<<endl;            
                 //-----------------------------------------------------  
                 new(sy[i]) TrkSinglet(*t_singlet);  
                 t_singlet->Clear();  
         };  
           
         delete t_track;  
         delete t_singlet;  
 }  
1283  /**  /**
1284   * Fills a struct cTrkLevel2 with values from a TrkLevel2 object (to put data into a F77 common).   * Fills a struct cTrkLevel2 with values from a TrkLevel2 object (to put data into a F77 common).
1285   */   */
# Line 779  void TrkLevel2::GetLevel2Struct(cTrkLeve Line 1306  void TrkLevel2::GetLevel2Struct(cTrkLeve
1306                      l2->coval[i][it2][it1] = ((TrkTrack *)Track->At(i))->coval[it1][it2];                      l2->coval[i][it2][it1] = ((TrkTrack *)Track->At(i))->coval[it1][it2];
1307              };              };
1308              for(int ip=0;ip<6;ip++){              for(int ip=0;ip<6;ip++){
1309                  l2->xgood_nt[i][ip] = ((TrkTrack *)Track->At(i))->xgood[ip];                  l2->xgood_nt[i][ip] = ((TrkTrack *)Track->At(i))->XGood(ip);
1310                  l2->ygood_nt[i][ip] = ((TrkTrack *)Track->At(i))->ygood[ip];                  l2->ygood_nt[i][ip] = ((TrkTrack *)Track->At(i))->YGood(ip);
1311                  l2->xm_nt[i][ip]    = ((TrkTrack *)Track->At(i))->xm[ip];                  l2->xm_nt[i][ip]    = ((TrkTrack *)Track->At(i))->xm[ip];
1312                  l2->ym_nt[i][ip]    = ((TrkTrack *)Track->At(i))->ym[ip];                  l2->ym_nt[i][ip]    = ((TrkTrack *)Track->At(i))->ym[ip];
1313                  l2->zm_nt[i][ip]    = ((TrkTrack *)Track->At(i))->zm[ip];                  l2->zm_nt[i][ip]    = ((TrkTrack *)Track->At(i))->zm[ip];
1314                  l2->resx_nt[i][ip]  = ((TrkTrack *)Track->At(i))->resx[ip];                  l2->resx_nt[i][ip]  = ((TrkTrack *)Track->At(i))->resx[ip];
1315                  l2->resy_nt[i][ip]  = ((TrkTrack *)Track->At(i))->resy[ip];                  l2->resy_nt[i][ip]  = ((TrkTrack *)Track->At(i))->resy[ip];
1316                    l2->tailx[i][ip]  = ((TrkTrack *)Track->At(i))->tailx[ip];
1317                    l2->taily[i][ip]  = ((TrkTrack *)Track->At(i))->taily[ip];
1318                  l2->xv_nt[i][ip]    = ((TrkTrack *)Track->At(i))->xv[ip];                  l2->xv_nt[i][ip]    = ((TrkTrack *)Track->At(i))->xv[ip];
1319                  l2->yv_nt[i][ip]    = ((TrkTrack *)Track->At(i))->yv[ip];                  l2->yv_nt[i][ip]    = ((TrkTrack *)Track->At(i))->yv[ip];
1320                  l2->zv_nt[i][ip]    = ((TrkTrack *)Track->At(i))->zv[ip];                  l2->zv_nt[i][ip]    = ((TrkTrack *)Track->At(i))->zv[ip];
# Line 824  void TrkLevel2::GetLevel2Struct(cTrkLeve Line 1353  void TrkLevel2::GetLevel2Struct(cTrkLeve
1353  void TrkLevel2::Clear(){  void TrkLevel2::Clear(){
1354      for(Int_t i=0; i<12 ; i++){      for(Int_t i=0; i<12 ; i++){
1355          good[i] = -1;          good[i] = -1;
1356            VKflag[i] = 0;
1357            VKmask[i] = 0;
1358      };      };
1359  //    if(Track)Track->Clear("C");  //    if(Track)Track->Clear("C");
1360  //    if(SingletX)SingletX->Clear("C");  //    if(SingletX)SingletX->Clear("C");
# Line 867  TRefArray *TrkLevel2::GetTracks_NFitSort Line 1398  TRefArray *TrkLevel2::GetTracks_NFitSort
1398                    
1399      int indo=0;      int indo=0;
1400      int indi=0;      int indi=0;
1401      while(N != 0){      while(N > 0){
1402    //    while(N != 0){
1403          int nfit =0;          int nfit =0;
1404          float chi2ref = numeric_limits<float>::max();          float chi2ref = numeric_limits<float>::max();
1405                                    
# Line 878  TRefArray *TrkLevel2::GetTracks_NFitSort Line 1410  TRefArray *TrkLevel2::GetTracks_NFitSort
1410              }              }
1411          }          }
1412          //second loop to search minimum chi2 among selected          //second loop to search minimum chi2 among selected
1413          for(int i=0; i<this->ntrk(); i++){          for(int i=0; i<ntrk(); i++){
1414              Float_t chi2 = ((TrkTrack *)t[i])->chi2;              Float_t chi2 = ((TrkTrack *)t[i])->chi2;
1415              if(chi2 < 0) chi2 = chi2*1000;              if(chi2 < 0) chi2 = -chi2*1000;
1416              if(    chi2 < chi2ref              if(    chi2 < chi2ref
1417                     && ((TrkTrack *)t[i])->GetNtot() == nfit                     && ((TrkTrack *)t[i])->GetNtot() == nfit
1418                     && m[i]==1){                     && m[i]==1){
# Line 892  TRefArray *TrkLevel2::GetTracks_NFitSort Line 1424  TRefArray *TrkLevel2::GetTracks_NFitSort
1424              m[((TrkTrack *)t[indi])->image] = 0;              m[((TrkTrack *)t[indi])->image] = 0;
1425              N--;              N--;
1426                    
1427              //      cout << "i** "<< ((TrkTrack *)t[indi])->image << " " << nfiti <<" "<<chi2i<<endl;  //          cout << "i** "<< ((TrkTrack *)t[indi])->image << " " << nfiti <<" "<<chi2i<<endl;
1428          };          };
1429          sorted->Add( (TrkTrack*)t[indi] );                sorted->Add( (TrkTrack*)t[indi] );      
1430                                    
1431          m[indi] = 0;          m[indi] = 0;
1432  //              cout << "SORTED "<< indo << " "<< indi << " "<< N << endl;  //      cout << "SORTED "<< indo << " "<< indi << " "<< N << " "<<((TrkTrack *)t[indi])->image<<" "<<chi2ref<<endl;
1433          N--;              N--;    
1434          indo++;          indo++;
1435      }      }
1436      m.clear();      m.clear();
1437  //      cout << "GetTracks_NFitSorted(it): Done"<< endl;  //    cout << "GetTracks_NFitSorted(it): Done"<< endl;
1438    
1439      return sorted;      return sorted;
1440  //    return PhysicalTrack;  //    return PhysicalTrack;
# Line 1052  TrkTrack *TrkLevel2::GetTrackImage(int i Line 1584  TrkTrack *TrkLevel2::GetTrackImage(int i
1584   */   */
1585  void TrkLevel2::LoadField(TString path){  void TrkLevel2::LoadField(TString path){
1586  //  //
1587      strcpy(path_.path,path.Data());  //     strcpy(path_.path,path.Data());
1588      path_.pathlen = path.Length();  //     path_.pathlen = path.Length();
1589      path_.error   = 0;  //     path_.error   = 0;
1590      readb_();  //     readb_();
1591    
1592        TrkParams::SetTrackingMode();
1593        TrkParams::SetPrecisionFactor();
1594        TrkParams::SetStepMin();
1595    
1596        TrkParams::Set(path,1);
1597        TrkParams::Load(1);
1598    
1599  //  //
1600  };  };
1601    // /**
1602    //  * Get BY (kGauss)
1603    //  * @param v (x,y,z) coordinates in cm
1604    //  */
1605    // float TrkLevel2::GetBX(float* v){
1606    //     float b[3];
1607    //     gufld_(v,b);
1608    //     return b[0]/10.;
1609    // }
1610    // /**
1611    //  * Get BY (kGauss)
1612    //  * @param v (x,y,z) coordinates in cm
1613    //  */
1614    // float TrkLevel2::GetBY(float* v){
1615    //     float b[3];
1616    //     gufld_(v,b);
1617    //     return b[1]/10.;
1618    // }
1619    // /**
1620    //  * Get BY (kGauss)
1621    //  * @param v (x,y,z) coordinates in cm
1622    //  */
1623    // float TrkLevel2::GetBZ(float* v){
1624    //     float b[3];
1625    //     gufld_(v,b);
1626    //     return b[2]/10.;
1627    // }
1628  //--------------------------------------  //--------------------------------------
1629  //  //
1630  //  //
# Line 1235  int Trajectory::DoTrack2(float* al){ Line 1802  int Trajectory::DoTrack2(float* al){
1802      for (int i=0; i<5; i++)      dal[i]  = (double)al[i];      for (int i=0; i<5; i++)      dal[i]  = (double)al[i];
1803      for (int i=0; i<npoint; i++) dzin[i] = (double)z[i];      for (int i=0; i<npoint; i++) dzin[i] = (double)z[i];
1804    
1805        TrkParams::Load(1);
1806        if( !TrkParams::IsLoaded(1) ){
1807            cout << "int Trajectory::DoTrack2(float* al) --- ERROR --- m.field not loaded"<<endl;
1808            return 0;
1809        }
1810      dotrack2_(&(npoint),dzin,dxout,dyout,dthxout,dthyout,dtlout,dal,&ifail);      dotrack2_(&(npoint),dzin,dxout,dyout,dthxout,dthyout,dtlout,dal,&ifail);
1811            
1812      for (int i=0; i<npoint; i++){      for (int i=0; i<npoint; i++){
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