| 1 |
/** |
| 2 |
* \file CaloAxis.cpp |
| 3 |
* \author Elena Vannuccini |
| 4 |
*/ |
| 5 |
#if !defined(__CINT__) || defined(__MAKECINT__) |
| 6 |
|
| 7 |
#include <CaloAxis.h> |
| 8 |
|
| 9 |
#endif |
| 10 |
//=============================================================================== |
| 11 |
// |
| 12 |
// |
| 13 |
// |
| 14 |
// |
| 15 |
//=============================================================================== |
| 16 |
/** |
| 17 |
* Add a calorimeter hit |
| 18 |
* @param iis strip 0-95 |
| 19 |
* @param iip plane 0-21 |
| 20 |
* @param fq signal |
| 21 |
* @param fz z-coordinate |
| 22 |
* @param fxy x or y-coordinate |
| 23 |
*/ |
| 24 |
void CaloEvent::Add(int iis, int iip, float fq, float fz, float fxy){ |
| 25 |
// cout << " CaloEvent::Add()"<<endl; |
| 26 |
ids.push_back(iis); |
| 27 |
idp.push_back(iip); |
| 28 |
q.push_back(fq); |
| 29 |
zcoord.push_back(fz); |
| 30 |
xycoord.push_back(fxy); |
| 31 |
}; |
| 32 |
/** |
| 33 |
* Reset |
| 34 |
*/ |
| 35 |
void CaloEvent::Reset(){ |
| 36 |
// cout << " CaloEvent::Reset()"<<endl; |
| 37 |
ids.clear(); |
| 38 |
idp.clear(); |
| 39 |
q.clear(); |
| 40 |
zcoord.clear(); |
| 41 |
xycoord.clear(); |
| 42 |
}; |
| 43 |
/** |
| 44 |
* Set a CaloEvent from CaloLevel1 object |
| 45 |
*/ |
| 46 |
void CaloEvent::Set(CaloLevel1* calo, int view, Bool_t usemechanicalalignement){ |
| 47 |
|
| 48 |
Reset(); |
| 49 |
// cout << " CaloEvent::Set()"<<endl; |
| 50 |
CaloStrip cstrip; |
| 51 |
cstrip = CaloStrip(calo,usemechanicalalignement); |
| 52 |
|
| 53 |
for(int ih=0;ih<calo->istrip;ih++){ |
| 54 |
int iv=-1; |
| 55 |
int ip=-1; |
| 56 |
int is=-1; |
| 57 |
calo->DecodeEstrip(ih,iv,ip,is); |
| 58 |
if(iv==view){ |
| 59 |
cstrip.Set(view,ip,is); |
| 60 |
float fxy = 0.; |
| 61 |
if( !view ) fxy = cstrip.GetX(); |
| 62 |
else fxy = cstrip.GetY(); |
| 63 |
float fz = cstrip.GetZ(); |
| 64 |
float fq = cstrip.GetE(); |
| 65 |
if(fq>0)Add(is,ip,fq,fz,fxy); |
| 66 |
} |
| 67 |
} |
| 68 |
|
| 69 |
}; |
| 70 |
//=============================================================================== |
| 71 |
// |
| 72 |
// |
| 73 |
// |
| 74 |
// |
| 75 |
//=============================================================================== |
| 76 |
/** |
| 77 |
* Initialization |
| 78 |
*/ |
| 79 |
void CaloAxis::Init(){ |
| 80 |
for(Int_t i=0; i<2;i++){ |
| 81 |
par[i]=0; |
| 82 |
for(Int_t j=0; j<2;j++)covpar[i][j]=0; |
| 83 |
}; |
| 84 |
sel = 0; |
| 85 |
axis = 0; |
| 86 |
for(Int_t i=0; i<22; i++){ |
| 87 |
cog[i]=0; |
| 88 |
qpl[i]=0; |
| 89 |
} |
| 90 |
} |
| 91 |
|
| 92 |
/** |
| 93 |
* Reset |
| 94 |
*/ |
| 95 |
void CaloAxis::Reset(){ |
| 96 |
x.clear(); |
| 97 |
y.clear(); |
| 98 |
w.clear(); |
| 99 |
q.clear(); |
| 100 |
if(sel)sel->Delete(); |
| 101 |
if(axis)axis->Delete(); |
| 102 |
Init(); |
| 103 |
} |
| 104 |
/** |
| 105 |
* |
| 106 |
*/ |
| 107 |
void CaloAxis::Add(float xin, float yin){ |
| 108 |
x.push_back(xin); |
| 109 |
y.push_back(yin); |
| 110 |
w.push_back(1.); |
| 111 |
q.push_back(0.); |
| 112 |
}; |
| 113 |
void CaloAxis::Add(float xin, float yin, float qin){ |
| 114 |
x.push_back(xin); |
| 115 |
y.push_back(yin); |
| 116 |
q.push_back(qin); |
| 117 |
w.push_back(1.); |
| 118 |
}; |
| 119 |
void CaloAxis::Add(float xin, float yin, float qin, float win){ |
| 120 |
x.push_back(xin); |
| 121 |
y.push_back(yin); |
| 122 |
w.push_back(win); |
| 123 |
q.push_back(qin); |
| 124 |
}; |
| 125 |
/** |
| 126 |
* Fit a straight line thtrough the stored hits |
| 127 |
*/ |
| 128 |
int CaloAxis::Fit(){ |
| 129 |
|
| 130 |
Float_t SSS = 0; |
| 131 |
Float_t SSX = 0; |
| 132 |
Float_t SXX = 0; |
| 133 |
|
| 134 |
Float_t SSY = 0; |
| 135 |
Float_t SXY = 0; |
| 136 |
|
| 137 |
Int_t np=0; |
| 138 |
for(Int_t i=0; i<(int)(x.size()); i++){ |
| 139 |
SSS += w[i]*w[i]; |
| 140 |
SSX += x[i]*w[i]*w[i]; |
| 141 |
SXX += x[i]*x[i]*w[i]*w[i]; |
| 142 |
SSY += y[i]*w[i]*w[i]; |
| 143 |
SXY += x[i]*y[i]*w[i]*w[i]; |
| 144 |
if(w[i])np++; |
| 145 |
} |
| 146 |
Float_t det = SSS*SXX-SSX*SSX; |
| 147 |
if(det==0)return 0; |
| 148 |
if(np<3)return 0; |
| 149 |
par[0] = (SSY*SXX-SXY*SSX)/det; |
| 150 |
par[1] = (SXY*SSS-SSY*SSX)/det; |
| 151 |
return 1; |
| 152 |
}; |
| 153 |
|
| 154 |
/** |
| 155 |
* Print select hits |
| 156 |
*/ |
| 157 |
void CaloAxis::Print(){ |
| 158 |
for(Int_t i=0; i<(int)(x.size()); i++) |
| 159 |
if(w[i])cout << x[i] << " - "<<y[i]<<endl; |
| 160 |
} |
| 161 |
|
| 162 |
|
| 163 |
float* CaloAxis::GetX(){ |
| 164 |
float *xout = new float[(int)(x.size())]; |
| 165 |
for(Int_t i=0; i<(int)(x.size()); i++)xout[i]=x[i]; |
| 166 |
return xout; |
| 167 |
} |
| 168 |
|
| 169 |
float* CaloAxis::GetY(){ |
| 170 |
float *yout = new float[(int)(y.size())]; |
| 171 |
for(Int_t i=0; i<(int)(y.size()); i++) yout[i]=y[i]; |
| 172 |
return yout; |
| 173 |
} |
| 174 |
|
| 175 |
float* CaloAxis::GetQ(){ |
| 176 |
float *qout = new float[(int)(q.size())]; |
| 177 |
for(int i=0; i<(int)(q.size()); i++) qout[i]=q[i]; |
| 178 |
return qout; |
| 179 |
} |
| 180 |
|
| 181 |
float CaloAxis::GetChi2(){ |
| 182 |
float chi2=0; |
| 183 |
int nchi=0; |
| 184 |
for(Int_t i=0; i<(int)(y.size()); i++){ |
| 185 |
chi2 += w[i]*w[i]*(y[i]-par[0]-par[1]*x[i])*(y[i]-par[0]-par[1]*x[i]); |
| 186 |
nchi += (int)w[i]; |
| 187 |
}; |
| 188 |
if(nchi<3)return -999; |
| 189 |
chi2=chi2/(nchi-2); |
| 190 |
return chi2; |
| 191 |
} |
| 192 |
|
| 193 |
/** |
| 194 |
* Return the total signal of the hits included to evaluate the axis |
| 195 |
*/ |
| 196 |
float CaloAxis::GetQaxis(){ |
| 197 |
float qaxis=0; |
| 198 |
for(Int_t i=0; i<(int)(q.size()); i++) qaxis +=q[i]; |
| 199 |
return qaxis; |
| 200 |
} |
| 201 |
/** |
| 202 |
* Signal of the hits included to evaluate the axis, |
| 203 |
* within a distance toll from the axis |
| 204 |
*/ |
| 205 |
float CaloAxis::GetQaxis(float toll){ |
| 206 |
float qaxis=0; |
| 207 |
for(int ih=0;ih<cevent->GetN(); ih++){ |
| 208 |
float x = cevent->xycoord[ih]; |
| 209 |
float z = cevent->zcoord[ih]; |
| 210 |
float q = cevent->q[ih]; |
| 211 |
// int ip = cevent->idp[ih]; |
| 212 |
float d = fabs(x-par[0]-par[1]*z)/sqrt(par[1]*par[1]+1); |
| 213 |
if( d < toll )qaxis+=q; |
| 214 |
} |
| 215 |
return qaxis; |
| 216 |
} |
| 217 |
|
| 218 |
/** |
| 219 |
* Average signal per strip |
| 220 |
*/ |
| 221 |
float CaloAxis::GetQstrip(){ |
| 222 |
|
| 223 |
float qaxis=0; |
| 224 |
for(Int_t i=0; i<(int)(q.size()); i++) qaxis +=q[i]; |
| 225 |
if(q.size()==0) return 0.; |
| 226 |
return qaxis/q.size(); |
| 227 |
} |
| 228 |
/** |
| 229 |
* Coordinate of the last hit included in the axis |
| 230 |
*/ |
| 231 |
float CaloAxis::GetXmin(){ |
| 232 |
float zmin=9999; |
| 233 |
for(Int_t i=0; i<(int)(x.size()); i++) if(x[i]<zmin) zmin = x[i]; |
| 234 |
return zmin; |
| 235 |
} |
| 236 |
/** |
| 237 |
* Coordinate of the first hit included in the axis |
| 238 |
*/ |
| 239 |
float CaloAxis::GetXmax(){ |
| 240 |
float zmax=-9999; |
| 241 |
for(Int_t i=0; i<(int)(x.size()); i++) if(x[i]>zmax) zmax = x[i]; |
| 242 |
return zmax; |
| 243 |
|
| 244 |
} |
| 245 |
|
| 246 |
/** |
| 247 |
* Draw the axis (in PAMELA reference plane) |
| 248 |
*/ |
| 249 |
|
| 250 |
void CaloAxis::Draw(int col){ |
| 251 |
|
| 252 |
// cout << " CaloAxis::Draw()"<<endl; |
| 253 |
if(GetN()<3)return; |
| 254 |
|
| 255 |
sel = new TPolyMarker(GetN(),GetY(),GetX()); |
| 256 |
sel->SetMarkerSize(0.4); |
| 257 |
sel->SetMarkerColor(col); |
| 258 |
|
| 259 |
axis = new TLine( par[0]+GetXmin()*par[1], GetXmin(), par[0]+GetXmax()*par[1], GetXmax() ); |
| 260 |
axis->SetLineWidth(1); |
| 261 |
axis->SetLineColor(col); |
| 262 |
|
| 263 |
// cout << sel << endl; |
| 264 |
// cout << axis << endl; |
| 265 |
|
| 266 |
sel->Draw(); |
| 267 |
axis->Draw(); |
| 268 |
}; |
| 269 |
|
| 270 |
/** |
| 271 |
* Fit an axis through the calorimeter pattern. |
| 272 |
* NB!! This method is optimized for non-interacting particles. |
| 273 |
*/ |
| 274 |
int CaloAxis::FitAxis( CaloLevel1* calo , Int_t view , Float_t toll , Bool_t usemechanicalalignement ){ |
| 275 |
|
| 276 |
// cout << "CaloAxis::FitAxis(...)"<<endl; |
| 277 |
|
| 278 |
Set(calo,view,usemechanicalalignement); |
| 279 |
|
| 280 |
// ------------------------------ |
| 281 |
// first : all hits included, w=1 |
| 282 |
// ------------------------------ |
| 283 |
for(int ih=0;ih<cevent->GetN(); ih++){ |
| 284 |
float x = cevent->xycoord[ih]; |
| 285 |
float z = cevent->zcoord[ih]; |
| 286 |
float q = cevent->q[ih]; |
| 287 |
Add(z,x,q); |
| 288 |
} |
| 289 |
|
| 290 |
if(GetN()<3)return 0; |
| 291 |
Fit(); |
| 292 |
// cout << " n. hits :"<<GetN()<<endl; |
| 293 |
// cout << " P0 P1 :"<<par[0]<< " "<<par[1]<<endl; |
| 294 |
// cout << " Chi2 :"<<GetChi2()<<endl; |
| 295 |
// cout << " Q axis :"<<GetQaxis()<<endl; |
| 296 |
// cout << " Q strip :"<<GetQstrip()<<endl; |
| 297 |
|
| 298 |
float P0; |
| 299 |
float P1; |
| 300 |
int dof; |
| 301 |
|
| 302 |
// --------------------------- |
| 303 |
// second : iteration |
| 304 |
// --------------------------- |
| 305 |
int niter=0; // number of iterations |
| 306 |
int pok[22]; |
| 307 |
|
| 308 |
// prova |
| 309 |
// pesi lineari |
| 310 |
float W22=1.; |
| 311 |
float W1=10.; |
| 312 |
float b=(W22-W1)/(22.-1.);// (w22 - w1)/(22-1) |
| 313 |
float a=W1-b; |
| 314 |
|
| 315 |
for(int i=0; i<22; i++)pok[i]=0; |
| 316 |
do{ |
| 317 |
niter++; |
| 318 |
float ttoll = toll; //tolerance (cm) |
| 319 |
if(niter==1)ttoll = 10.*toll; |
| 320 |
dof = GetN(); //previous fit |
| 321 |
P0 = par[0]; |
| 322 |
P1 = par[1]; |
| 323 |
Reset(); //fit reset |
| 324 |
for(int ih=0;ih<cevent->GetN(); ih++){ |
| 325 |
float x = cevent->xycoord[ih]; |
| 326 |
float z = cevent->zcoord[ih]; |
| 327 |
float q = cevent->q[ih]; |
| 328 |
int ip = cevent->idp[ih]; |
| 329 |
float d = fabs(x-P0-P1*z)/sqrt(P1*P1+1); |
| 330 |
// cout<<d<<endl; |
| 331 |
if( d < ttoll && (niter==1 || (niter>1 && pok[ip]==1)) ){ |
| 332 |
// if( d < ttoll ){ |
| 333 |
float W=a+b*(ip+1); |
| 334 |
// cout << ip << " "<<W<<endl; |
| 335 |
Add(z,x,q,W); |
| 336 |
pok[ip]=1; |
| 337 |
} |
| 338 |
} |
| 339 |
// break the track if more than 3 planes are missing |
| 340 |
int nmissing = 0; |
| 341 |
for(int ip=0; ip<22; ip++){ |
| 342 |
if(pok[ip]==0){ |
| 343 |
nmissing++; |
| 344 |
}else{ |
| 345 |
nmissing = 0; |
| 346 |
} |
| 347 |
if(nmissing==3){ |
| 348 |
for(int ipp=ip+1; ipp<22; ipp++)pok[ipp]=0; |
| 349 |
break; |
| 350 |
} |
| 351 |
} |
| 352 |
|
| 353 |
|
| 354 |
if(niter==100)break; |
| 355 |
if(GetN()<3)break; |
| 356 |
Fit(); |
| 357 |
}while(niter==1 || GetN() != dof); |
| 358 |
// cout << " >>> "<<GetN()<<endl; |
| 359 |
if(GetN()<3)return 0; |
| 360 |
Fit(); |
| 361 |
// cout << " n. hits :"<<GetN()<<endl; |
| 362 |
// cout << " P0 P1 :"<<par[0]<< " "<<par[1]<<endl; |
| 363 |
// cout << " Chi2 :"<<GetChi2()<<endl; |
| 364 |
// cout << " Q axis :"<<GetQaxis()<<endl; |
| 365 |
// cout << " Q strip :"<<GetQstrip()<<endl; |
| 366 |
|
| 367 |
// --------------------------------------------- |
| 368 |
// third : selecting only closest strip-clusters |
| 369 |
// and fit baricenters |
| 370 |
// --------------------------------------------- |
| 371 |
P0 = par[0]; |
| 372 |
P1 = par[1]; |
| 373 |
Reset(); |
| 374 |
|
| 375 |
float dmin[22]; |
| 376 |
int closest[22]; |
| 377 |
for(int ip=0; ip<22; ip++){ |
| 378 |
dmin[ip]=999; |
| 379 |
closest[ip]=-1; |
| 380 |
} |
| 381 |
for(int ih=0;ih<cevent->GetN(); ih++){ |
| 382 |
float x = cevent->xycoord[ih]; |
| 383 |
float z = cevent->zcoord[ih]; |
| 384 |
// float q = cevent->q[ih]; |
| 385 |
int ip = cevent->idp[ih]; |
| 386 |
// int is = cevent->ids[ih]; |
| 387 |
float d = fabs(x-P0-P1*z)/sqrt(P1*P1+1); |
| 388 |
if( d < toll && d<dmin[ip] && pok[ip]==1 ){ |
| 389 |
// Add(z,x,q,q); |
| 390 |
closest[ip]=ih; |
| 391 |
// cog[ip] += x*q; |
| 392 |
// qpl[ip] += q; |
| 393 |
} |
| 394 |
} |
| 395 |
for(Int_t ip=0; ip<22; ip++){ |
| 396 |
if(closest[ip]!=-1){ |
| 397 |
float x = cevent->xycoord[closest[ip]]; |
| 398 |
float z = cevent->zcoord[closest[ip]]; |
| 399 |
float q = cevent->q[closest[ip]]; |
| 400 |
// int is = cevent->ids[closest[ip]]; |
| 401 |
Add(z,x,q,q); |
| 402 |
cog[ip] += x*q; |
| 403 |
qpl[ip] += q; |
| 404 |
// cout << ip << " -o- "<<is<<endl; |
| 405 |
} |
| 406 |
} |
| 407 |
// add +/- one strip |
| 408 |
for(int ih=0;ih<cevent->GetN(); ih++){ |
| 409 |
float x = cevent->xycoord[ih]; |
| 410 |
float z = cevent->zcoord[ih]; |
| 411 |
float q = cevent->q[ih]; |
| 412 |
int ip = cevent->idp[ih]; |
| 413 |
int is = cevent->ids[ih]; |
| 414 |
if( closest[ip]!=-1 ){ |
| 415 |
int isc = cevent->ids[closest[ip]]; |
| 416 |
if( is == isc+1 || is == isc-1 ){ |
| 417 |
Add(z,x,q,q); |
| 418 |
cog[ip] += x*q; |
| 419 |
qpl[ip] += q; |
| 420 |
// cout << ip << " -+- "<<is<<endl; |
| 421 |
} |
| 422 |
} |
| 423 |
} |
| 424 |
Fit(); |
| 425 |
|
| 426 |
if(GetN()<3)return 0; |
| 427 |
for(int ip=0; ip<22; ip++){ |
| 428 |
if(qpl[ip]!=0){ |
| 429 |
cog[ip]=cog[ip]/qpl[ip]; |
| 430 |
// Add(z,cog[ip],cog[ip],0.7); |
| 431 |
} |
| 432 |
} |
| 433 |
|
| 434 |
// cout << " n. hits :"<<GetN()<<endl; |
| 435 |
// cout << " P0 P1 :"<<par[0]<< " "<<par[1]<<endl; |
| 436 |
// cout << " Chi2 :"<<GetChi2()<<endl; |
| 437 |
// cout << " Q axis :"<<GetQaxis()<<endl; |
| 438 |
// cout << " Q strip :"<<GetQstrip()<<endl; |
| 439 |
// cout << " ---------------------------"<<endl; |
| 440 |
return 1; |
| 441 |
}; |
| 442 |
|
| 443 |
/** |
| 444 |
* Fit an axis through the calorimeter pattern. |
| 445 |
* NB!! This method is optimized for non-interacting particles. |
| 446 |
*/ |
| 447 |
|
| 448 |
int CaloAxis::FitShower( CaloLevel1* calo , Int_t view , Float_t toll , Bool_t usemechanicalalignement ){ |
| 449 |
|
| 450 |
// cout << "CaloAxis::FitAxis(...)"<<endl; |
| 451 |
|
| 452 |
Set(calo,view,usemechanicalalignement); |
| 453 |
|
| 454 |
// ------------------------------ |
| 455 |
// first : |
| 456 |
// ------------------------------ |
| 457 |
for(int ih=0;ih<cevent->GetN(); ih++){ |
| 458 |
float x = cevent->xycoord[ih]; |
| 459 |
// float z = cevent->zcoord[ih]; |
| 460 |
float q = cevent->q[ih]; |
| 461 |
int ip = cevent->idp[ih]; |
| 462 |
cog[ip] += x*q; |
| 463 |
qpl[ip] += q; |
| 464 |
// Add(z,x,q); |
| 465 |
} |
| 466 |
for(int ip=0; ip<22; ip++){ |
| 467 |
if(qpl[ip]!=0)cog[ip]=cog[ip]/qpl[ip]; |
| 468 |
// cout << ip << " > "<<qpl[ip]<<" "<<cog[ip]<<endl; |
| 469 |
} |
| 470 |
// ---------------- |
| 471 |
// plane of maximum |
| 472 |
// ---------------- |
| 473 |
float qplmax=1; |
| 474 |
int ipmax = -1; |
| 475 |
float dmin[22]; |
| 476 |
int closest[22]; |
| 477 |
for(int ip=0; ip<22; ip++)if(qpl[ip]>qplmax){ |
| 478 |
ipmax=ip; |
| 479 |
qplmax=qpl[ip]; |
| 480 |
dmin[ip]=1000.;//init |
| 481 |
closest[ip]=-1;//init |
| 482 |
} |
| 483 |
for(int ih=0;ih<cevent->GetN(); ih++){ |
| 484 |
float x = cevent->xycoord[ih]; |
| 485 |
float z = cevent->zcoord[ih]; |
| 486 |
float q = cevent->q[ih]; |
| 487 |
int ip = cevent->idp[ih]; |
| 488 |
// if( (ipmax>3 && ip<=ipmax) || ipmax<=3 )Add(z,x,q); |
| 489 |
if( ip<=ipmax || ip<=3 ){ |
| 490 |
Add(z,x,q); |
| 491 |
} |
| 492 |
} |
| 493 |
if(GetN()<3)return 0; |
| 494 |
Fit(); |
| 495 |
// cout << " n. hits :"<<GetN()<<endl; |
| 496 |
// cout << " P0 P1 :"<<par[0]<< " "<<par[1]<<endl; |
| 497 |
// cout << " Chi2 :"<<GetChi2()<<endl; |
| 498 |
// cout << " Q axis :"<<GetQaxis()<<endl; |
| 499 |
// cout << " Q strip :"<<GetQstrip()<<endl; |
| 500 |
|
| 501 |
float P0; |
| 502 |
float P1; |
| 503 |
int dof; |
| 504 |
|
| 505 |
// --------------------------- |
| 506 |
// second : iteration |
| 507 |
// --------------------------- |
| 508 |
int niter=0; // number of iterations |
| 509 |
int pok[22]; |
| 510 |
// prova |
| 511 |
// pesi lineari |
| 512 |
float W22=1.; |
| 513 |
float W1=10.; |
| 514 |
float b=(W22-W1)/(22.-1.);// (w22 - w1)/(22-1) |
| 515 |
float a=W1-b; |
| 516 |
|
| 517 |
for(int i=0; i<22; i++){ |
| 518 |
pok[i]=0; |
| 519 |
cog[i]=0; |
| 520 |
qpl[i]=0; |
| 521 |
} |
| 522 |
do{ |
| 523 |
niter++; |
| 524 |
float ttoll = toll; //tolerance (cm) |
| 525 |
if(niter==1)ttoll = 10.*toll; |
| 526 |
dof = GetN(); //previous fit |
| 527 |
P0 = par[0]; |
| 528 |
P1 = par[1]; |
| 529 |
Reset(); //fit reset |
| 530 |
for(int i=0; i<22; i++){ |
| 531 |
cog[i]=0; |
| 532 |
qpl[i]=0; |
| 533 |
} |
| 534 |
for(int ih=0;ih<cevent->GetN(); ih++){ |
| 535 |
float x = cevent->xycoord[ih]; |
| 536 |
float z = cevent->zcoord[ih]; |
| 537 |
float q = cevent->q[ih]; |
| 538 |
int ip = cevent->idp[ih]; |
| 539 |
float d = fabs(x-P0-P1*z)/sqrt(P1*P1+1); |
| 540 |
// cout<<d<<endl; |
| 541 |
if( |
| 542 |
(niter==1 || (niter>1 && pok[ip]==1)) && |
| 543 |
// (ip<=ipmax || ip<=3) && |
| 544 |
(ip<ipmax || ip<=3) && |
| 545 |
// ((ipmax>3 && ip<=ipmax) || ipmax<=3) && |
| 546 |
true){ |
| 547 |
|
| 548 |
if(niter==1 && d<dmin[ip]){ |
| 549 |
dmin[ip]=d; |
| 550 |
closest[ip]=ih; |
| 551 |
} |
| 552 |
|
| 553 |
float W=a+b*(ip+1); |
| 554 |
// cout << ip << " "<<W<<endl; |
| 555 |
if( d < ttoll || ( niter==2 && ih==closest[ip] )){ |
| 556 |
/* if(ip==ipmax && ipmax>1)Add(z,x,q,W*q); */ |
| 557 |
/* else Add(z,x,q,W); */ |
| 558 |
cog[ip] += x*q; |
| 559 |
qpl[ip] += q; |
| 560 |
Add(z,x,q,W); |
| 561 |
pok[ip]=1; |
| 562 |
} |
| 563 |
} |
| 564 |
} |
| 565 |
// break the track if more than 3 planes are missing |
| 566 |
int nmissing = 0; |
| 567 |
for(int ip=0; ip<22; ip++){ |
| 568 |
if(pok[ip]==0){ |
| 569 |
nmissing++; |
| 570 |
}else{ |
| 571 |
nmissing = 0; |
| 572 |
} |
| 573 |
if(nmissing==6){ |
| 574 |
for(int ipp=ip+1; ipp<22; ipp++)pok[ipp]=0; |
| 575 |
break; |
| 576 |
} |
| 577 |
} |
| 578 |
|
| 579 |
for(int ip=0; ip<22; ip++)if(qpl[ip]!=0)cog[ip]=cog[ip]/qpl[ip]; |
| 580 |
|
| 581 |
if(niter==100)break; |
| 582 |
if(GetN()<3)break; |
| 583 |
|
| 584 |
Fit(); |
| 585 |
|
| 586 |
}while(niter==1 || GetN() != dof); |
| 587 |
// cout << " >>> "<<GetN()<<endl; |
| 588 |
if(GetN()<3)return 0; |
| 589 |
Fit(); |
| 590 |
|
| 591 |
// cout << " n. hits :"<<GetN()<<endl; |
| 592 |
// cout << " P0 P1 :"<<par[0]<< " "<<par[1]<<endl; |
| 593 |
// cout << " Chi2 :"<<GetChi2()<<endl; |
| 594 |
// cout << " Q axis :"<<GetQaxis()<<endl; |
| 595 |
// cout << " Q strip :"<<GetQstrip()<<endl; |
| 596 |
// cout << " ---------------------------"<<endl; |
| 597 |
return 1; |
| 598 |
}; |
| 599 |
|
| 600 |
ClassImp(CaloEvent); |
| 601 |
ClassImp(CaloAxis); |