4 |
*/ |
*/ |
5 |
#include <TrkLevel2.h> |
#include <TrkLevel2.h> |
6 |
#include <iostream> |
#include <iostream> |
7 |
|
#include <math.h> |
8 |
using namespace std; |
using namespace std; |
9 |
//...................................... |
//...................................... |
10 |
// F77 routines |
// F77 routines |
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*); |
15 |
int readb_(const char*); |
// int readb_(const char*); |
16 |
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int readb_(); |
17 |
|
void mini2_(int*,int*,int*); |
18 |
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void guess_(); |
19 |
} |
} |
20 |
//-------------------------------------- |
//-------------------------------------- |
21 |
// |
// |
22 |
// |
// |
23 |
//-------------------------------------- |
//-------------------------------------- |
24 |
|
/** |
25 |
|
* Evaluates the trajectory in the apparatus associated to the track. |
26 |
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* 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. |
27 |
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* @param t pointer to an object of the class Trajectory, |
28 |
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* which z coordinates should be previously initialized by calling the proper constructor ( Trajectory::Trajectory(int n, float* zin) ). |
29 |
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* @return error flag. |
30 |
|
*/ |
31 |
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int Trajectory::DoTrack2(float* al){ |
32 |
|
|
33 |
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double *dxout = new double[npoint]; |
34 |
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double *dyout = new double[npoint]; |
35 |
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double *dthxout = new double[npoint]; |
36 |
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double *dthyout = new double[npoint]; |
37 |
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double *dtlout = new double[npoint]; |
38 |
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double *dzin = new double[npoint]; |
39 |
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double dal[5]; |
40 |
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|
41 |
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int ifail = 0; |
42 |
|
|
43 |
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for (int i=0; i<5; i++) dal[i] = (double)al[i]; |
44 |
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for (int i=0; i<npoint; i++) dzin[i] = (double)z[i]; |
45 |
|
|
46 |
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dotrack2_(&(npoint),dzin,dxout,dyout,dthxout,dthyout,dtlout,dal,&ifail); |
47 |
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|
48 |
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for (int i=0; i<npoint; i++){ |
49 |
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x[i] = (float)*dxout++; |
50 |
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y[i] = (float)*dyout++; |
51 |
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thx[i] = (float)*dthxout++; |
52 |
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thy[i] = (float)*dthyout++; |
53 |
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tl[i] = (float)*dtlout++; |
54 |
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} |
55 |
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|
56 |
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return ifail; |
57 |
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}; |
58 |
|
//--------------------------------------------- |
59 |
|
//--------------------------------------------- |
60 |
TrkTrack::TrkTrack(){ |
TrkTrack::TrkTrack(){ |
61 |
seqno = -1; |
seqno = -1; |
62 |
image = -1; |
image = -1; |
63 |
chi2 = 0; |
chi2 = 0; |
64 |
nstep = 0; |
nstep = 0; |
65 |
for(int it1=0;it1<5;it1++){ |
for(int it1=0;it1<5;it1++){ |
66 |
al[it1] = 0; |
al[it1] = 0; |
67 |
for(int it2=0;it2<5;it2++)coval[it1][it2] = 0; |
for(int it2=0;it2<5;it2++)coval[it1][it2] = 0; |
68 |
}; |
}; |
69 |
for(int ip=0;ip<6;ip++){ |
for(int ip=0;ip<6;ip++){ |
70 |
xgood[ip] = 0; |
xgood[ip] = 0; |
95 |
seqno = t.seqno; |
seqno = t.seqno; |
96 |
image = t.image; |
image = t.image; |
97 |
chi2 = t.chi2; |
chi2 = t.chi2; |
98 |
nstep = t.nstep; |
nstep = t.nstep; |
99 |
for(int it1=0;it1<5;it1++){ |
for(int it1=0;it1<5;it1++){ |
100 |
al[it1] = t.al[it1]; |
al[it1] = t.al[it1]; |
101 |
for(int it2=0;it2<5;it2++)coval[it1][it2] = t.coval[it1][it2]; |
for(int it2=0;it2<5;it2++)coval[it1][it2] = t.coval[it1][it2]; |
102 |
}; |
}; |
103 |
for(int ip=0;ip<6;ip++){ |
for(int ip=0;ip<6;ip++){ |
104 |
xgood[ip] = t.xgood[ip]; |
xgood[ip] = t.xgood[ip]; |
236 |
//-------------------------------------- |
//-------------------------------------- |
237 |
void TrkTrack::Dump(){ |
void TrkTrack::Dump(){ |
238 |
cout << endl << "========== Track " ; |
cout << endl << "========== Track " ; |
239 |
cout << endl << "seq. n. : "<< seqno; |
cout << endl << "seq. n. : "<< seqno; |
240 |
cout << endl << "image n. : "<< image; |
cout << endl << "image n. : "<< image; |
241 |
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] << " "; |
242 |
cout << endl << "chi^2 : "<< chi2; |
cout << endl << "chi^2 : "<< chi2; |
243 |
cout << endl << "n.step : "<< nstep; |
cout << endl << "n.step : "<< nstep; |
244 |
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] ; |
245 |
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] ; |
246 |
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] << " "; |
247 |
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] << " "; |
248 |
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] << " "; |
249 |
|
cout << endl << "xv : "; for(int i=0; i<6; i++)cout << xv[i] << " "; |
250 |
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cout << endl << "yv : "; for(int i=0; i<6; i++)cout << yv[i] << " "; |
251 |
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cout << endl << "zv : "; for(int i=0; i<6; i++)cout << zv[i] << " "; |
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cout << endl << "resx : "; for(int i=0; i<6; i++)cout << resx[i] << " "; |
253 |
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cout << endl << "resy : "; for(int i=0; i<6; i++)cout << resy[i] << " "; |
254 |
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cout << endl << "coval : "; for(int i=0; i<5; i++)cout << coval[0][i]<<" "; |
255 |
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cout << endl << " "; for(int i=0; i<5; i++)cout << coval[1][i]<<" "; |
256 |
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cout << endl << " "; for(int i=0; i<5; i++)cout << coval[2][i]<<" "; |
257 |
|
cout << endl << " "; for(int i=0; i<5; i++)cout << coval[3][i]<<" "; |
258 |
|
cout << endl << " "; for(int i=0; i<5; i++)cout << coval[4][i]<<" "; |
259 |
cout << endl << "dedx_x : "; for(int i=0; i<6; i++)cout << dedx_x[i] << " "; |
cout << endl << "dedx_x : "; for(int i=0; i<6; i++)cout << dedx_x[i] << " "; |
260 |
cout << endl << "dedx_y : "; for(int i=0; i<6; i++)cout << dedx_y[i] << " "; |
cout << endl << "dedx_y : "; for(int i=0; i<6; i++)cout << dedx_y[i] << " "; |
261 |
|
cout << endl; |
262 |
|
} |
263 |
|
/** |
264 |
|
* Set the TrkTrack position measurements |
265 |
|
*/ |
266 |
|
void TrkTrack::SetMeasure(double *xmeas, double *ymeas, double *zmeas){ |
267 |
|
for(int i=0; i<6; i++) xm[i]=*xmeas++; |
268 |
|
for(int i=0; i<6; i++) ym[i]=*ymeas++; |
269 |
|
for(int i=0; i<6; i++) zm[i]=*zmeas++; |
270 |
|
} |
271 |
|
/** |
272 |
|
* Set the TrkTrack position resolution |
273 |
|
*/ |
274 |
|
void TrkTrack::SetResolution(double *rx, double *ry){ |
275 |
|
for(int i=0; i<6; i++) resx[i]=*rx++; |
276 |
|
for(int i=0; i<6; i++) resy[i]=*ry++; |
277 |
|
} |
278 |
|
/** |
279 |
|
* Set the TrkTrack good measurement |
280 |
|
*/ |
281 |
|
void TrkTrack::SetGood(int *xg, int *yg){ |
282 |
|
for(int i=0; i<6; i++) xgood[i]=*xg++; |
283 |
|
for(int i=0; i<6; i++) ygood[i]=*yg++; |
284 |
|
} |
285 |
|
|
286 |
|
/** |
287 |
|
* Load the magnetic field |
288 |
|
*/ |
289 |
|
void TrkTrack::LoadField(TString path){ |
290 |
|
|
291 |
|
strcpy(path_.path,path.Data()); |
292 |
|
path_.pathlen = path.Length(); |
293 |
|
path_.error = 0; |
294 |
|
readb_(); |
295 |
|
|
296 |
|
}; |
297 |
|
/** |
298 |
|
* Tracking method. It calls F77 mini routine. |
299 |
|
*/ |
300 |
|
void TrkTrack::Fit(double pfixed, int& fail, int iprint){ |
301 |
|
|
302 |
|
float al_ini[] = {0.,0.,0.,0.,0.}; |
303 |
|
|
304 |
|
extern cMini2track track_; |
305 |
|
fail = 0; |
306 |
|
|
307 |
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for(int i=0; i<6; i++) track_.xm[i]=xm[i]; |
308 |
|
for(int i=0; i<6; i++) track_.ym[i]=ym[i]; |
309 |
|
for(int i=0; i<6; i++) track_.zm[i]=zm[i]; |
310 |
|
for(int i=0; i<6; i++) track_.resx[i]=resx[i]; |
311 |
|
for(int i=0; i<6; i++) track_.resy[i]=resy[i]; |
312 |
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for(int i=0; i<6; i++) track_.xgood[i]=xgood[i]; |
313 |
|
for(int i=0; i<6; i++) track_.ygood[i]=ygood[i]; |
314 |
|
|
315 |
|
// initial guess of "al" with linear fit |
316 |
|
// if(al[0]==-9999.&&al[1]==-9999.&&al[2]==-9999.&&al[3]==-9999.&&al[4]==-9999.){ |
317 |
|
// cout << "initial guess "<<endl; |
318 |
|
// double szz=0., szx=0., szy=0., ssx=0., ssy=0., sz=0., s1=0.; |
319 |
|
// double det, ax, ay, bx, by; |
320 |
|
// for(int i=0; i<NPLANE; i++) { |
321 |
|
// szz=szz+zm[i]*zm[i]; |
322 |
|
// szx=szx+zm[i]*xm[i]; |
323 |
|
// szy=szy+zm[i]*ym[i]; |
324 |
|
// ssx=ssx+xm[i]; |
325 |
|
// ssy=ssy+ym[i]; |
326 |
|
// sz=sz+zm[i]; |
327 |
|
// s1=s1+1.; |
328 |
|
// } |
329 |
|
// det=szz*s1-sz*sz; |
330 |
|
// ax=(szx*s1-sz*ssx)/det; |
331 |
|
// bx=(szz*ssx-szx*sz)/det; |
332 |
|
// ay=(szy*s1-sz*ssy)/det; |
333 |
|
// by=(szz*ssy-szy*sz)/det; |
334 |
|
// al[0]=ax*23.5+bx; // ZINI = 23.5 !!! it should be the same parameter in all codes |
335 |
|
// al[1]=ay*23.5+by; // " |
336 |
|
// al[2]= sqrt(pow(ax,2)+pow(ay,2))/ sqrt(pow(ax,2)+pow(ay,2)+1.); |
337 |
|
// al[3]=0.; |
338 |
|
// if( (ax!=0.)||(ay!=0.) ) { |
339 |
|
// al[3]= asin(ay/ sqrt(pow(ax,2)+pow(ay,2))); |
340 |
|
// if(ax<0.) al[3]=acos(-1.)-al[3]; |
341 |
|
// } |
342 |
|
// al[4]=0.; |
343 |
|
// } |
344 |
|
// end guess |
345 |
|
|
346 |
|
for(int i=0; i<5; i++) track_.al[i]=al[i]; |
347 |
|
track_.zini = 23.5; |
348 |
|
// ZINI = 23.5 !!! it should be the same parameter in all codes |
349 |
|
|
350 |
|
if(al[0]==-9999.&&al[1]==-9999.&&al[2]==-9999.&&al[3]==-9999.&&al[4]==-9999.)guess_(); |
351 |
|
|
352 |
|
// --------------------- free momentum |
353 |
|
if(pfixed==0.) { |
354 |
|
// al[4]=0.; // free momentum |
355 |
|
track_.pfixed=0.; // " |
356 |
|
} |
357 |
|
// --------------------- fixed momentum |
358 |
|
if(pfixed!=0.) { |
359 |
|
al[4]=1./pfixed; // to fix the momentum |
360 |
|
track_.pfixed=pfixed; // " |
361 |
|
} |
362 |
|
|
363 |
|
// store temporarily the initial guess |
364 |
|
for(int i=0; i<5; i++) al_ini[i]=track_.al[i]; |
365 |
|
|
366 |
|
|
367 |
|
int istep=0; |
368 |
|
int ifail=0; |
369 |
|
mini2_(&istep,&ifail, &iprint); |
370 |
|
if(ifail!=0) { |
371 |
|
if(iprint==1)cout << "ERROR: ifail= " << ifail << endl; |
372 |
|
fail = 1; |
373 |
|
// return; |
374 |
|
} |
375 |
|
|
376 |
|
|
377 |
|
// cout << endl << "eta ===> " << track_.al[4] << endl; |
378 |
|
|
379 |
|
for(int i=0; i<5; i++) al[i]=track_.al[i]; |
380 |
|
chi2=track_.chi2; |
381 |
|
nstep=track_.nstep; |
382 |
|
for(int i=0; i<6; i++) xv[i]=track_.xv[i]; |
383 |
|
for(int i=0; i<6; i++) yv[i]=track_.yv[i]; |
384 |
|
for(int i=0; i<6; i++) zv[i]=track_.zv[i]; |
385 |
|
for(int i=0; i<6; i++) axv[i]=track_.axv[i]; |
386 |
|
for(int i=0; i<6; i++) ayv[i]=track_.ayv[i]; |
387 |
|
for(int i=0; i<5; i++) { |
388 |
|
for(int j=0; j<5; j++) coval[i][j]=track_.cov[i][j]; |
389 |
|
} |
390 |
|
|
391 |
|
if(fail){ |
392 |
|
cout << " >>>> fit failed >>>> drawing initial par"<<endl; |
393 |
|
for(int i=0; i<5; i++) al[i]=al_ini[i]; |
394 |
|
} |
395 |
|
|
396 |
|
}; |
397 |
|
/* |
398 |
|
* Reset the fit parameters |
399 |
|
*/ |
400 |
|
void TrkTrack::FitReset(){ |
401 |
|
for(int i=0; i<5; i++) al[i]=-9999.; |
402 |
|
chi2=0.; |
403 |
|
nstep=0; |
404 |
|
for(int i=0; i<6; i++) xv[i]=0.; |
405 |
|
for(int i=0; i<6; i++) yv[i]=0.; |
406 |
|
for(int i=0; i<6; i++) zv[i]=0.; |
407 |
|
for(int i=0; i<6; i++) axv[i]=0.; |
408 |
|
for(int i=0; i<6; i++) ayv[i]=0.; |
409 |
|
for(int i=0; i<5; i++) { |
410 |
|
for(int j=0; j<5; j++) coval[i][j]=0.; |
411 |
|
} |
412 |
} |
} |
413 |
|
|
414 |
//-------------------------------------- |
//-------------------------------------- |
415 |
// |
// |
416 |
// |
// |
934 |
|
|
935 |
Float_t ntot=0; |
Float_t ntot=0; |
936 |
TClonesArray &t = *Track; |
TClonesArray &t = *Track; |
937 |
for(int i=0; i<ntrk(); i++) { |
for(int i=0; i<ntrk(); i++) { |
938 |
if( ((TrkTrack *)t[i])->GetImageSeqNo() == -1 ) ntot+=1.; |
if( ((TrkTrack *)t[i])->GetImageSeqNo() == -1 ) ntot+=1.; |
939 |
else ntot+=0.5; |
else ntot+=0.5; |
940 |
} |
} |
979 |
* Loads the magnetic field. |
* Loads the magnetic field. |
980 |
* @param s Path of the magnetic-field files. |
* @param s Path of the magnetic-field files. |
981 |
*/ |
*/ |
982 |
void TrkLevel2::LoadField(TString s){ |
void TrkLevel2::LoadField(TString path){ |
983 |
readb_(s.Data()); |
// |
984 |
|
strcpy(path_.path,path.Data()); |
985 |
|
path_.pathlen = path.Length(); |
986 |
|
path_.error = 0; |
987 |
|
readb_(); |
988 |
|
// |
989 |
}; |
}; |
990 |
//-------------------------------------- |
//-------------------------------------- |
991 |
// |
// |