]>
Commit | Line | Data |
---|---|---|
1c53abe2 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
88cb7938 | 16 | /* $Id$ */ |
1c53abe2 | 17 | |
18 | //------------------------------------------------------- | |
19 | // Implementation of the TPC clusterer | |
20 | // | |
21 | // Origin: Marian Ivanov | |
22 | //------------------------------------------------------- | |
23 | ||
d7a11555 | 24 | #include "AliTPCReconstructor.h" |
1c53abe2 | 25 | #include "AliTPCclustererMI.h" |
26 | #include "AliTPCclusterMI.h" | |
27 | #include <TObjArray.h> | |
28 | #include <TFile.h> | |
65c045f0 | 29 | #include "TGraph.h" |
30 | #include "TF1.h" | |
31 | #include "TRandom.h" | |
32 | #include "AliMathBase.h" | |
33 | ||
1c53abe2 | 34 | #include "AliTPCClustersArray.h" |
35 | #include "AliTPCClustersRow.h" | |
36 | #include "AliDigits.h" | |
37 | #include "AliSimDigits.h" | |
38 | #include "AliTPCParam.h" | |
194b0609 | 39 | #include "AliTPCRecoParam.h" |
f8aae377 | 40 | #include "AliRawReader.h" |
41 | #include "AliTPCRawStream.h" | |
ef4ad662 | 42 | #include "AliRawEventHeaderBase.h" |
f8aae377 | 43 | #include "AliRunLoader.h" |
44 | #include "AliLoader.h" | |
cc5e9db0 | 45 | #include "Riostream.h" |
1c53abe2 | 46 | #include <TTree.h> |
13116aec | 47 | #include "AliTPCcalibDB.h" |
48 | #include "AliTPCCalPad.h" | |
49 | #include "AliTPCCalROC.h" | |
65c045f0 | 50 | #include "TTreeStream.h" |
51 | #include "AliLog.h" | |
13116aec | 52 | |
53 | ||
1c53abe2 | 54 | ClassImp(AliTPCclustererMI) |
55 | ||
56 | ||
57 | ||
2f32844a | 58 | AliTPCclustererMI::AliTPCclustererMI(const AliTPCParam* par, const AliTPCRecoParam * recoParam): |
59 | fBins(0), | |
60 | fResBins(0), | |
61 | fLoop(0), | |
62 | fMaxBin(0), | |
63 | fMaxTime(0), | |
64 | fMaxPad(0), | |
65 | fSector(-1), | |
66 | fRow(-1), | |
67 | fSign(0), | |
68 | fRx(0), | |
69 | fPadWidth(0), | |
70 | fPadLength(0), | |
71 | fZWidth(0), | |
72 | fPedSubtraction(kFALSE), | |
73 | fIsOldRCUFormat(kFALSE), | |
ef4ad662 | 74 | fEventHeader(0), |
75 | fTimeStamp(0), | |
76 | fEventType(0), | |
2f32844a | 77 | fInput(0), |
78 | fOutput(0), | |
79 | fRowCl(0), | |
80 | fRowDig(0), | |
81 | fParam(0), | |
82 | fNcluster(0), | |
83 | fAmplitudeHisto(0), | |
84 | fDebugStreamer(0), | |
85 | fRecoParam(0) | |
1c53abe2 | 86 | { |
97f127bb | 87 | // |
88 | // COSNTRUCTOR | |
89 | // param - tpc parameters for given file | |
90 | // recoparam - reconstruction parameters | |
91 | // | |
22c352f8 | 92 | fIsOldRCUFormat = kFALSE; |
1c53abe2 | 93 | fInput =0; |
94 | fOutput=0; | |
f8aae377 | 95 | fParam = par; |
194b0609 | 96 | if (recoParam) { |
97 | fRecoParam = recoParam; | |
98 | }else{ | |
99 | //set default parameters if not specified | |
100 | fRecoParam = AliTPCReconstructor::GetRecoParam(); | |
101 | if (!fRecoParam) fRecoParam = AliTPCRecoParam::GetLowFluxParam(); | |
102 | } | |
65c045f0 | 103 | fDebugStreamer = new TTreeSRedirector("TPCsignal.root"); |
104 | fAmplitudeHisto = 0; | |
105 | } | |
e046d791 | 106 | //______________________________________________________________ |
107 | AliTPCclustererMI::AliTPCclustererMI(const AliTPCclustererMI ¶m) | |
108 | :TObject(param), | |
109 | fBins(0), | |
110 | fResBins(0), | |
111 | fLoop(0), | |
112 | fMaxBin(0), | |
113 | fMaxTime(0), | |
114 | fMaxPad(0), | |
115 | fSector(-1), | |
116 | fRow(-1), | |
117 | fSign(0), | |
118 | fRx(0), | |
119 | fPadWidth(0), | |
120 | fPadLength(0), | |
121 | fZWidth(0), | |
122 | fPedSubtraction(kFALSE), | |
123 | fIsOldRCUFormat(kFALSE), | |
124 | fEventHeader(0), | |
125 | fTimeStamp(0), | |
126 | fEventType(0), | |
127 | fInput(0), | |
128 | fOutput(0), | |
129 | fRowCl(0), | |
130 | fRowDig(0), | |
131 | fParam(0), | |
132 | fNcluster(0), | |
133 | fAmplitudeHisto(0), | |
134 | fDebugStreamer(0), | |
135 | fRecoParam(0) | |
136 | { | |
137 | // | |
138 | // dummy | |
139 | // | |
140 | fMaxBin = param.fMaxBin; | |
141 | } | |
142 | //______________________________________________________________ | |
143 | AliTPCclustererMI & AliTPCclustererMI::operator =(const AliTPCclustererMI & param) | |
144 | { | |
145 | // | |
146 | // assignment operator - dummy | |
147 | // | |
148 | fMaxBin=param.fMaxBin; | |
149 | return (*this); | |
150 | } | |
151 | //______________________________________________________________ | |
65c045f0 | 152 | AliTPCclustererMI::~AliTPCclustererMI(){ |
153 | DumpHistos(); | |
154 | if (fAmplitudeHisto) delete fAmplitudeHisto; | |
155 | if (fDebugStreamer) delete fDebugStreamer; | |
1c53abe2 | 156 | } |
22c352f8 | 157 | |
1c53abe2 | 158 | void AliTPCclustererMI::SetInput(TTree * tree) |
159 | { | |
160 | // | |
161 | // set input tree with digits | |
162 | // | |
163 | fInput = tree; | |
164 | if (!fInput->GetBranch("Segment")){ | |
165 | cerr<<"AliTPC::Digits2Clusters(): no porper input tree !\n"; | |
166 | fInput=0; | |
167 | return; | |
168 | } | |
169 | } | |
170 | ||
171 | void AliTPCclustererMI::SetOutput(TTree * tree) | |
172 | { | |
173 | // | |
174 | // | |
175 | fOutput= tree; | |
176 | AliTPCClustersRow clrow; | |
177 | AliTPCClustersRow *pclrow=&clrow; | |
178 | clrow.SetClass("AliTPCclusterMI"); | |
179 | clrow.SetArray(1); // to make Clones array | |
180 | fOutput->Branch("Segment","AliTPCClustersRow",&pclrow,32000,200); | |
181 | } | |
182 | ||
183 | ||
184 | Float_t AliTPCclustererMI::GetSigmaY2(Int_t iz){ | |
185 | // sigma y2 = in digits - we don't know the angle | |
753797ce | 186 | Float_t z = iz*fParam->GetZWidth()+fParam->GetNTBinsL1()*fParam->GetZWidth(); |
1c53abe2 | 187 | Float_t sd2 = (z*fParam->GetDiffL()*fParam->GetDiffL())/ |
188 | (fPadWidth*fPadWidth); | |
189 | Float_t sres = 0.25; | |
190 | Float_t res = sd2+sres; | |
191 | return res; | |
192 | } | |
193 | ||
194 | ||
195 | Float_t AliTPCclustererMI::GetSigmaZ2(Int_t iz){ | |
196 | //sigma z2 = in digits - angle estimated supposing vertex constraint | |
753797ce | 197 | Float_t z = iz*fZWidth+fParam->GetNTBinsL1()*fParam->GetZWidth(); |
1c53abe2 | 198 | Float_t sd2 = (z*fParam->GetDiffL()*fParam->GetDiffL())/(fZWidth*fZWidth); |
199 | Float_t angular = fPadLength*(fParam->GetZLength()-z)/(fRx*fZWidth); | |
200 | angular*=angular; | |
201 | angular/=12.; | |
202 | Float_t sres = fParam->GetZSigma()/fZWidth; | |
203 | sres *=sres; | |
204 | Float_t res = angular +sd2+sres; | |
205 | return res; | |
206 | } | |
207 | ||
13116aec | 208 | void AliTPCclustererMI::MakeCluster(Int_t k,Int_t max,Float_t *bins, UInt_t /*m*/, |
1c53abe2 | 209 | AliTPCclusterMI &c) |
210 | { | |
97f127bb | 211 | // |
212 | // k - Make cluster at position k | |
213 | // bins - 2 D array of signals mapped to 1 dimensional array - | |
214 | // max - the number of time bins er one dimension | |
215 | // c - refernce to cluster to be filled | |
216 | // | |
1c53abe2 | 217 | Int_t i0=k/max; //central pad |
218 | Int_t j0=k%max; //central time bin | |
219 | ||
220 | // set pointers to data | |
221 | //Int_t dummy[5] ={0,0,0,0,0}; | |
13116aec | 222 | Float_t * matrix[5]; //5x5 matrix with digits - indexing i = 0 ..4 j = -2..2 |
223 | Float_t * resmatrix[5]; | |
1c53abe2 | 224 | for (Int_t di=-2;di<=2;di++){ |
225 | matrix[di+2] = &bins[k+di*max]; | |
226 | resmatrix[di+2] = &fResBins[k+di*max]; | |
227 | } | |
228 | //build matrix with virtual charge | |
229 | Float_t sigmay2= GetSigmaY2(j0); | |
230 | Float_t sigmaz2= GetSigmaZ2(j0); | |
231 | ||
232 | Float_t vmatrix[5][5]; | |
233 | vmatrix[2][2] = matrix[2][0]; | |
234 | c.SetType(0); | |
6c024a0e | 235 | c.SetMax((UShort_t)(vmatrix[2][2])); // write maximal amplitude |
1c53abe2 | 236 | for (Int_t di =-1;di <=1;di++) |
237 | for (Int_t dj =-1;dj <=1;dj++){ | |
238 | Float_t amp = matrix[di+2][dj]; | |
239 | if ( (amp<2) && (fLoop<2)){ | |
240 | // if under threshold - calculate virtual charge | |
241 | Float_t ratio = TMath::Exp(-1.2*TMath::Abs(di)/sigmay2)*TMath::Exp(-1.2*TMath::Abs(dj)/sigmaz2); | |
242 | amp = ((matrix[2][0]-2)*(matrix[2][0]-2)/(matrix[-di+2][-dj]+2))*ratio; | |
243 | if (amp>2) amp = 2; | |
244 | vmatrix[2+di][2+dj]=amp; | |
245 | vmatrix[2+2*di][2+2*dj]=0; | |
246 | if ( (di*dj)!=0){ | |
247 | //DIAGONAL ELEMENTS | |
248 | vmatrix[2+2*di][2+dj] =0; | |
249 | vmatrix[2+di][2+2*dj] =0; | |
250 | } | |
251 | continue; | |
252 | } | |
253 | if (amp<4){ | |
254 | //if small amplitude - below 2 x threshold - don't consider other one | |
255 | vmatrix[2+di][2+dj]=amp; | |
256 | vmatrix[2+2*di][2+2*dj]=0; // don't take to the account next bin | |
257 | if ( (di*dj)!=0){ | |
258 | //DIAGONAL ELEMENTS | |
259 | vmatrix[2+2*di][2+dj] =0; | |
260 | vmatrix[2+di][2+2*dj] =0; | |
261 | } | |
262 | continue; | |
263 | } | |
264 | //if bigger then take everything | |
265 | vmatrix[2+di][2+dj]=amp; | |
266 | vmatrix[2+2*di][2+2*dj]= matrix[2*di+2][2*dj] ; | |
267 | if ( (di*dj)!=0){ | |
268 | //DIAGONAL ELEMENTS | |
269 | vmatrix[2+2*di][2+dj] = matrix[2*di+2][dj]; | |
270 | vmatrix[2+di][2+2*dj] = matrix[2+di][dj*2]; | |
271 | } | |
272 | } | |
273 | ||
274 | ||
275 | ||
276 | Float_t sumw=0; | |
277 | Float_t sumiw=0; | |
278 | Float_t sumi2w=0; | |
279 | Float_t sumjw=0; | |
280 | Float_t sumj2w=0; | |
281 | // | |
282 | for (Int_t i=-2;i<=2;i++) | |
283 | for (Int_t j=-2;j<=2;j++){ | |
284 | Float_t amp = vmatrix[i+2][j+2]; | |
285 | ||
286 | sumw += amp; | |
287 | sumiw += i*amp; | |
288 | sumi2w += i*i*amp; | |
289 | sumjw += j*amp; | |
290 | sumj2w += j*j*amp; | |
291 | } | |
292 | // | |
293 | Float_t meani = sumiw/sumw; | |
294 | Float_t mi2 = sumi2w/sumw-meani*meani; | |
295 | Float_t meanj = sumjw/sumw; | |
296 | Float_t mj2 = sumj2w/sumw-meanj*meanj; | |
297 | // | |
298 | Float_t ry = mi2/sigmay2; | |
299 | Float_t rz = mj2/sigmaz2; | |
300 | ||
301 | // | |
302 | if ( ( (ry<0.6) || (rz<0.6) ) && fLoop==2) return; | |
194b0609 | 303 | if ( (ry <1.2) && (rz<1.2) || (!fRecoParam->GetDoUnfold())) { |
304 | // | |
305 | //if cluster looks like expected or Unfolding not switched on | |
306 | //standard COG is used | |
1c53abe2 | 307 | //+1.2 deviation from expected sigma accepted |
308 | // c.fMax = FitMax(vmatrix,meani,meanj,TMath::Sqrt(sigmay2),TMath::Sqrt(sigmaz2)); | |
309 | ||
310 | meani +=i0; | |
311 | meanj +=j0; | |
312 | //set cluster parameters | |
313 | c.SetQ(sumw); | |
314 | c.SetY(meani*fPadWidth); | |
315 | c.SetZ(meanj*fZWidth); | |
316 | c.SetSigmaY2(mi2); | |
317 | c.SetSigmaZ2(mj2); | |
318 | AddCluster(c); | |
319 | //remove cluster data from data | |
320 | for (Int_t di=-2;di<=2;di++) | |
321 | for (Int_t dj=-2;dj<=2;dj++){ | |
13116aec | 322 | resmatrix[di+2][dj] -= vmatrix[di+2][dj+2]; |
1c53abe2 | 323 | if (resmatrix[di+2][dj]<0) resmatrix[di+2][dj]=0; |
324 | } | |
325 | resmatrix[2][0] =0; | |
326 | return; | |
327 | } | |
328 | // | |
329 | //unfolding when neccessary | |
330 | // | |
331 | ||
13116aec | 332 | Float_t * matrix2[7]; //7x7 matrix with digits - indexing i = 0 ..6 j = -3..3 |
333 | Float_t dummy[7]={0,0,0,0,0,0}; | |
1c53abe2 | 334 | for (Int_t di=-3;di<=3;di++){ |
335 | matrix2[di+3] = &bins[k+di*max]; | |
336 | if ((k+di*max)<3) matrix2[di+3] = &dummy[3]; | |
337 | if ((k+di*max)>fMaxBin-3) matrix2[di+3] = &dummy[3]; | |
338 | } | |
339 | Float_t vmatrix2[5][5]; | |
340 | Float_t sumu; | |
341 | Float_t overlap; | |
342 | UnfoldCluster(matrix2,vmatrix2,meani,meanj,sumu,overlap); | |
343 | // | |
344 | // c.fMax = FitMax(vmatrix2,meani,meanj,TMath::Sqrt(sigmay2),TMath::Sqrt(sigmaz2)); | |
345 | meani +=i0; | |
346 | meanj +=j0; | |
347 | //set cluster parameters | |
348 | c.SetQ(sumu); | |
349 | c.SetY(meani*fPadWidth); | |
350 | c.SetZ(meanj*fZWidth); | |
351 | c.SetSigmaY2(mi2); | |
352 | c.SetSigmaZ2(mj2); | |
353 | c.SetType(Char_t(overlap)+1); | |
354 | AddCluster(c); | |
355 | ||
356 | //unfolding 2 | |
357 | meani-=i0; | |
358 | meanj-=j0; | |
359 | if (gDebug>4) | |
360 | printf("%f\t%f\n", vmatrix2[2][2], vmatrix[2][2]); | |
361 | } | |
362 | ||
363 | ||
364 | ||
13116aec | 365 | void AliTPCclustererMI::UnfoldCluster(Float_t * matrix2[7], Float_t recmatrix[5][5], Float_t & meani, Float_t & meanj, |
1c53abe2 | 366 | Float_t & sumu, Float_t & overlap ) |
367 | { | |
368 | // | |
369 | //unfold cluster from input matrix | |
370 | //data corresponding to cluster writen in recmatrix | |
371 | //output meani and meanj | |
372 | ||
373 | //take separatelly y and z | |
374 | ||
375 | Float_t sum3i[7] = {0,0,0,0,0,0,0}; | |
376 | Float_t sum3j[7] = {0,0,0,0,0,0,0}; | |
377 | ||
378 | for (Int_t k =0;k<7;k++) | |
379 | for (Int_t l = -1; l<=1;l++){ | |
380 | sum3i[k]+=matrix2[k][l]; | |
381 | sum3j[k]+=matrix2[l+3][k-3]; | |
382 | } | |
383 | Float_t mratio[3][3]={{1,1,1},{1,1,1},{1,1,1}}; | |
384 | // | |
385 | //unfold y | |
386 | Float_t sum3wi = 0; //charge minus overlap | |
387 | Float_t sum3wio = 0; //full charge | |
388 | Float_t sum3iw = 0; //sum for mean value | |
389 | for (Int_t dk=-1;dk<=1;dk++){ | |
390 | sum3wio+=sum3i[dk+3]; | |
391 | if (dk==0){ | |
392 | sum3wi+=sum3i[dk+3]; | |
393 | } | |
394 | else{ | |
395 | Float_t ratio =1; | |
396 | if ( ( ((sum3i[dk+3]+3)/(sum3i[3]-3))+1 < (sum3i[2*dk+3]-3)/(sum3i[dk+3]+3))|| | |
397 | sum3i[dk+3]<=sum3i[2*dk+3] && sum3i[dk+3]>2 ){ | |
398 | Float_t xm2 = sum3i[-dk+3]; | |
399 | Float_t xm1 = sum3i[+3]; | |
400 | Float_t x1 = sum3i[2*dk+3]; | |
401 | Float_t x2 = sum3i[3*dk+3]; | |
cc5e9db0 | 402 | Float_t w11 = TMath::Max((Float_t)(4.*xm1-xm2),(Float_t)0.000001); |
403 | Float_t w12 = TMath::Max((Float_t)(4 *x1 -x2),(Float_t)0.); | |
1c53abe2 | 404 | ratio = w11/(w11+w12); |
405 | for (Int_t dl=-1;dl<=1;dl++) | |
406 | mratio[dk+1][dl+1] *= ratio; | |
407 | } | |
408 | Float_t amp = sum3i[dk+3]*ratio; | |
409 | sum3wi+=amp; | |
410 | sum3iw+= dk*amp; | |
411 | } | |
412 | } | |
413 | meani = sum3iw/sum3wi; | |
414 | Float_t overlapi = (sum3wio-sum3wi)/sum3wio; | |
415 | ||
416 | ||
417 | ||
418 | //unfold z | |
419 | Float_t sum3wj = 0; //charge minus overlap | |
420 | Float_t sum3wjo = 0; //full charge | |
421 | Float_t sum3jw = 0; //sum for mean value | |
422 | for (Int_t dk=-1;dk<=1;dk++){ | |
423 | sum3wjo+=sum3j[dk+3]; | |
424 | if (dk==0){ | |
425 | sum3wj+=sum3j[dk+3]; | |
426 | } | |
427 | else{ | |
428 | Float_t ratio =1; | |
429 | if ( ( ((sum3j[dk+3]+3)/(sum3j[3]-3))+1 < (sum3j[2*dk+3]-3)/(sum3j[dk+3]+3)) || | |
430 | (sum3j[dk+3]<=sum3j[2*dk+3] && sum3j[dk+3]>2)){ | |
431 | Float_t xm2 = sum3j[-dk+3]; | |
432 | Float_t xm1 = sum3j[+3]; | |
433 | Float_t x1 = sum3j[2*dk+3]; | |
434 | Float_t x2 = sum3j[3*dk+3]; | |
cc5e9db0 | 435 | Float_t w11 = TMath::Max((Float_t)(4.*xm1-xm2),(Float_t)0.000001); |
436 | Float_t w12 = TMath::Max((Float_t)(4 *x1 -x2),(Float_t)0.); | |
1c53abe2 | 437 | ratio = w11/(w11+w12); |
438 | for (Int_t dl=-1;dl<=1;dl++) | |
439 | mratio[dl+1][dk+1] *= ratio; | |
440 | } | |
441 | Float_t amp = sum3j[dk+3]*ratio; | |
442 | sum3wj+=amp; | |
443 | sum3jw+= dk*amp; | |
444 | } | |
445 | } | |
446 | meanj = sum3jw/sum3wj; | |
447 | Float_t overlapj = (sum3wjo-sum3wj)/sum3wjo; | |
448 | overlap = Int_t(100*TMath::Max(overlapi,overlapj)+3); | |
449 | sumu = (sum3wj+sum3wi)/2.; | |
450 | ||
451 | if (overlap ==3) { | |
452 | //if not overlap detected remove everything | |
453 | for (Int_t di =-2; di<=2;di++) | |
454 | for (Int_t dj =-2; dj<=2;dj++){ | |
455 | recmatrix[di+2][dj+2] = matrix2[3+di][dj]; | |
456 | } | |
457 | } | |
458 | else{ | |
459 | for (Int_t di =-1; di<=1;di++) | |
460 | for (Int_t dj =-1; dj<=1;dj++){ | |
461 | Float_t ratio =1; | |
462 | if (mratio[di+1][dj+1]==1){ | |
463 | recmatrix[di+2][dj+2] = matrix2[3+di][dj]; | |
464 | if (TMath::Abs(di)+TMath::Abs(dj)>1){ | |
465 | recmatrix[2*di+2][dj+2] = matrix2[3+2*di][dj]; | |
466 | recmatrix[di+2][2*dj+2] = matrix2[3+di][2*dj]; | |
467 | } | |
468 | recmatrix[2*di+2][2*dj+2] = matrix2[3+2*di][2*dj]; | |
469 | } | |
470 | else | |
471 | { | |
472 | //if we have overlap in direction | |
473 | recmatrix[di+2][dj+2] = mratio[di+1][dj+1]* matrix2[3+di][dj]; | |
474 | if (TMath::Abs(di)+TMath::Abs(dj)>1){ | |
cc5e9db0 | 475 | ratio = TMath::Min((Float_t)(recmatrix[di+2][dj+2]/(matrix2[3+0*di][1*dj]+1)),(Float_t)1.); |
1c53abe2 | 476 | recmatrix[2*di+2][dj+2] = ratio*recmatrix[di+2][dj+2]; |
477 | // | |
cc5e9db0 | 478 | ratio = TMath::Min((Float_t)(recmatrix[di+2][dj+2]/(matrix2[3+1*di][0*dj]+1)),(Float_t)1.); |
1c53abe2 | 479 | recmatrix[di+2][2*dj+2] = ratio*recmatrix[di+2][dj+2]; |
480 | } | |
481 | else{ | |
482 | ratio = recmatrix[di+2][dj+2]/matrix2[3][0]; | |
483 | recmatrix[2*di+2][2*dj+2] = ratio*recmatrix[di+2][dj+2]; | |
484 | } | |
485 | } | |
486 | } | |
487 | } | |
488 | if (gDebug>4) | |
489 | printf("%f\n", recmatrix[2][2]); | |
490 | ||
491 | } | |
492 | ||
493 | Float_t AliTPCclustererMI::FitMax(Float_t vmatrix[5][5], Float_t y, Float_t z, Float_t sigmay, Float_t sigmaz) | |
494 | { | |
495 | // | |
496 | // estimate max | |
497 | Float_t sumteor= 0; | |
498 | Float_t sumamp = 0; | |
499 | ||
500 | for (Int_t di = -1;di<=1;di++) | |
501 | for (Int_t dj = -1;dj<=1;dj++){ | |
502 | if (vmatrix[2+di][2+dj]>2){ | |
503 | Float_t teor = TMath::Gaus(di,y,sigmay*1.2)*TMath::Gaus(dj,z,sigmaz*1.2); | |
504 | sumteor += teor*vmatrix[2+di][2+dj]; | |
505 | sumamp += vmatrix[2+di][2+dj]*vmatrix[2+di][2+dj]; | |
506 | } | |
507 | } | |
508 | Float_t max = sumamp/sumteor; | |
509 | return max; | |
510 | } | |
511 | ||
512 | void AliTPCclustererMI::AddCluster(AliTPCclusterMI &c){ | |
513 | // | |
514 | // transform cluster to the global coordinata | |
515 | // add the cluster to the array | |
516 | // | |
517 | Float_t meani = c.GetY()/fPadWidth; | |
518 | Float_t meanj = c.GetZ()/fZWidth; | |
519 | ||
520 | Int_t ki = TMath::Nint(meani-3); | |
521 | if (ki<0) ki=0; | |
522 | if (ki>=fMaxPad) ki = fMaxPad-1; | |
523 | Int_t kj = TMath::Nint(meanj-3); | |
524 | if (kj<0) kj=0; | |
525 | if (kj>=fMaxTime-3) kj=fMaxTime-4; | |
526 | // ki and kj shifted to "real" coordinata | |
f8aae377 | 527 | if (fRowDig) { |
528 | c.SetLabel(fRowDig->GetTrackIDFast(kj,ki,0)-2,0); | |
529 | c.SetLabel(fRowDig->GetTrackIDFast(kj,ki,1)-2,1); | |
530 | c.SetLabel(fRowDig->GetTrackIDFast(kj,ki,2)-2,2); | |
531 | } | |
1c53abe2 | 532 | |
533 | ||
534 | Float_t s2 = c.GetSigmaY2(); | |
535 | Float_t w=fParam->GetPadPitchWidth(fSector); | |
536 | ||
537 | c.SetSigmaY2(s2*w*w); | |
538 | s2 = c.GetSigmaZ2(); | |
539 | w=fZWidth; | |
540 | c.SetSigmaZ2(s2*w*w); | |
541 | c.SetY((meani - 2.5 - 0.5*fMaxPad)*fParam->GetPadPitchWidth(fSector)); | |
adefcaa6 | 542 | if (!fRecoParam->GetBYMirror()){ |
543 | if (fSector%36>17){ | |
544 | c.SetY(-(meani - 2.5 - 0.5*fMaxPad)*fParam->GetPadPitchWidth(fSector)); | |
545 | } | |
546 | } | |
1c53abe2 | 547 | c.SetZ(fZWidth*(meanj-3)); |
753797ce | 548 | c.SetZ(c.GetZ() - 3.*fParam->GetZSigma() + fParam->GetNTBinsL1()*fParam->GetZWidth()); // PASA delay + L1 delay |
1c53abe2 | 549 | c.SetZ(fSign*(fParam->GetZLength() - c.GetZ())); |
508541c7 | 550 | c.SetX(fRx); |
551 | c.SetDetector(fSector); | |
552 | c.SetRow(fRow); | |
553 | ||
1c53abe2 | 554 | if (ki<=1 || ki>=fMaxPad-1 || kj==1 || kj==fMaxTime-2) { |
555 | //c.SetSigmaY2(c.GetSigmaY2()*25.); | |
556 | //c.SetSigmaZ2(c.GetSigmaZ2()*4.); | |
557 | c.SetType(-(c.GetType()+3)); //edge clusters | |
558 | } | |
559 | if (fLoop==2) c.SetType(100); | |
560 | ||
561 | TClonesArray * arr = fRowCl->GetArray(); | |
45bcf167 | 562 | // AliTPCclusterMI * cl = |
563 | new ((*arr)[fNcluster]) AliTPCclusterMI(c); | |
1c53abe2 | 564 | |
565 | fNcluster++; | |
566 | } | |
567 | ||
568 | ||
569 | //_____________________________________________________________________________ | |
f8aae377 | 570 | void AliTPCclustererMI::Digits2Clusters() |
1c53abe2 | 571 | { |
572 | //----------------------------------------------------------------- | |
573 | // This is a simple cluster finder. | |
574 | //----------------------------------------------------------------- | |
1c53abe2 | 575 | |
f8aae377 | 576 | if (!fInput) { |
577 | Error("Digits2Clusters", "input tree not initialised"); | |
1c53abe2 | 578 | return; |
579 | } | |
580 | ||
f8aae377 | 581 | if (!fOutput) { |
582 | Error("Digits2Clusters", "output tree not initialised"); | |
583 | return; | |
1c53abe2 | 584 | } |
585 | ||
13116aec | 586 | AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetPadGainFactor(); |
587 | ||
1c53abe2 | 588 | AliSimDigits digarr, *dummy=&digarr; |
589 | fRowDig = dummy; | |
590 | fInput->GetBranch("Segment")->SetAddress(&dummy); | |
591 | Stat_t nentries = fInput->GetEntries(); | |
592 | ||
f8aae377 | 593 | fMaxTime=fParam->GetMaxTBin()+6; // add 3 virtual time bins before and 3 after |
1c53abe2 | 594 | |
1c53abe2 | 595 | Int_t nclusters = 0; |
13116aec | 596 | |
1c53abe2 | 597 | for (Int_t n=0; n<nentries; n++) { |
598 | fInput->GetEvent(n); | |
508541c7 | 599 | if (!fParam->AdjustSectorRow(digarr.GetID(),fSector,fRow)) { |
1c53abe2 | 600 | cerr<<"AliTPC warning: invalid segment ID ! "<<digarr.GetID()<<endl; |
601 | continue; | |
602 | } | |
508541c7 | 603 | Int_t row = fRow; |
13116aec | 604 | AliTPCCalROC * gainROC = gainTPC->GetCalROC(fSector); // pad gains per given sector |
605 | ||
606 | // | |
1c53abe2 | 607 | AliTPCClustersRow *clrow= new AliTPCClustersRow(); |
608 | fRowCl = clrow; | |
609 | clrow->SetClass("AliTPCclusterMI"); | |
610 | clrow->SetArray(1); | |
611 | ||
612 | clrow->SetID(digarr.GetID()); | |
613 | fOutput->GetBranch("Segment")->SetAddress(&clrow); | |
f8aae377 | 614 | fRx=fParam->GetPadRowRadii(fSector,row); |
1c53abe2 | 615 | |
616 | ||
f8aae377 | 617 | const Int_t kNIS=fParam->GetNInnerSector(), kNOS=fParam->GetNOuterSector(); |
1c53abe2 | 618 | fZWidth = fParam->GetZWidth(); |
619 | if (fSector < kNIS) { | |
f8aae377 | 620 | fMaxPad = fParam->GetNPadsLow(row); |
1c53abe2 | 621 | fSign = (fSector < kNIS/2) ? 1 : -1; |
f8aae377 | 622 | fPadLength = fParam->GetPadPitchLength(fSector,row); |
623 | fPadWidth = fParam->GetPadPitchWidth(); | |
1c53abe2 | 624 | } else { |
f8aae377 | 625 | fMaxPad = fParam->GetNPadsUp(row); |
1c53abe2 | 626 | fSign = ((fSector-kNIS) < kNOS/2) ? 1 : -1; |
f8aae377 | 627 | fPadLength = fParam->GetPadPitchLength(fSector,row); |
628 | fPadWidth = fParam->GetPadPitchWidth(); | |
1c53abe2 | 629 | } |
630 | ||
631 | ||
632 | fMaxBin=fMaxTime*(fMaxPad+6); // add 3 virtual pads before and 3 after | |
13116aec | 633 | fBins =new Float_t[fMaxBin]; |
634 | fResBins =new Float_t[fMaxBin]; //fBins with residuals after 1 finder loop | |
635 | memset(fBins,0,sizeof(Float_t)*fMaxBin); | |
636 | memset(fResBins,0,sizeof(Float_t)*fMaxBin); | |
1c53abe2 | 637 | |
638 | if (digarr.First()) //MI change | |
639 | do { | |
13116aec | 640 | Float_t dig=digarr.CurrentDigit(); |
f8aae377 | 641 | if (dig<=fParam->GetZeroSup()) continue; |
1c53abe2 | 642 | Int_t j=digarr.CurrentRow()+3, i=digarr.CurrentColumn()+3; |
9d4f75a9 | 643 | Float_t gain = gainROC->GetValue(row,digarr.CurrentColumn()); |
13116aec | 644 | fBins[i*fMaxTime+j]=dig/gain; |
1c53abe2 | 645 | } while (digarr.Next()); |
646 | digarr.ExpandTrackBuffer(); | |
647 | ||
f8aae377 | 648 | FindClusters(); |
8569a2b0 | 649 | |
650 | fOutput->Fill(); | |
88cb7938 | 651 | delete clrow; |
652 | nclusters+=fNcluster; | |
8569a2b0 | 653 | delete[] fBins; |
654 | delete[] fResBins; | |
88cb7938 | 655 | } |
f8aae377 | 656 | |
19dd5b2f | 657 | Info("Digits2Clusters", "Number of found clusters : %d", nclusters); |
f8aae377 | 658 | } |
659 | ||
660 | void AliTPCclustererMI::Digits2Clusters(AliRawReader* rawReader) | |
661 | { | |
662 | //----------------------------------------------------------------- | |
22c352f8 | 663 | // This is a cluster finder for the TPC raw data. |
664 | // The method assumes NO ordering of the altro channels. | |
665 | // The pedestal subtraction can be switched on and off | |
666 | // using an option of the TPC reconstructor | |
f8aae377 | 667 | //----------------------------------------------------------------- |
668 | ||
669 | if (!fOutput) { | |
670 | Error("Digits2Clusters", "output tree not initialised"); | |
671 | return; | |
672 | } | |
673 | ||
f8aae377 | 674 | fRowDig = NULL; |
adefcaa6 | 675 | AliTPCROC * roc = AliTPCROC::Instance(); |
22c352f8 | 676 | AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetPadGainFactor(); |
adefcaa6 | 677 | AliTPCRawStream input(rawReader); |
ef4ad662 | 678 | fEventHeader = (AliRawEventHeaderBase*)rawReader->GetEventHeader(); |
679 | if (fEventHeader){ | |
680 | fTimeStamp = fEventHeader->Get("Timestamp"); | |
681 | fEventType = fEventHeader->Get("Type"); | |
682 | } | |
683 | ||
22c352f8 | 684 | |
f8aae377 | 685 | Int_t nclusters = 0; |
88cb7938 | 686 | |
f8aae377 | 687 | fMaxTime = fParam->GetMaxTBin() + 6; // add 3 virtual time bins before and 3 after |
688 | const Int_t kNIS = fParam->GetNInnerSector(); | |
689 | const Int_t kNOS = fParam->GetNOuterSector(); | |
690 | const Int_t kNS = kNIS + kNOS; | |
691 | fZWidth = fParam->GetZWidth(); | |
692 | Int_t zeroSup = fParam->GetZeroSup(); | |
adefcaa6 | 693 | // |
694 | //alocate memory for sector - maximal case | |
695 | // | |
22c352f8 | 696 | Float_t** allBins = NULL; |
697 | Float_t** allBinsRes = NULL; | |
adefcaa6 | 698 | Int_t nRowsMax = roc->GetNRows(roc->GetNSector()-1); |
699 | Int_t nPadsMax = roc->GetNPads(roc->GetNSector()-1,nRowsMax-1); | |
700 | allBins = new Float_t*[nRowsMax]; | |
701 | allBinsRes = new Float_t*[nRowsMax]; | |
702 | for (Int_t iRow = 0; iRow < nRowsMax; iRow++) { | |
703 | // | |
704 | Int_t maxBin = fMaxTime*(nPadsMax+6); // add 3 virtual pads before and 3 after | |
705 | allBins[iRow] = new Float_t[maxBin]; | |
706 | allBinsRes[iRow] = new Float_t[maxBin]; | |
707 | memset(allBins[iRow],0,sizeof(Float_t)*maxBin); | |
708 | memset(allBinsRes[iRow],0,sizeof(Float_t)*maxBin); | |
709 | } | |
710 | // | |
22c352f8 | 711 | // Loop over sectors |
adefcaa6 | 712 | // |
22c352f8 | 713 | for(fSector = 0; fSector < kNS; fSector++) { |
f8aae377 | 714 | |
22c352f8 | 715 | AliTPCCalROC * gainROC = gainTPC->GetCalROC(fSector); // pad gains per given sector |
716 | ||
717 | Int_t nRows = 0; | |
718 | Int_t nDDLs = 0, indexDDL = 0; | |
719 | if (fSector < kNIS) { | |
720 | nRows = fParam->GetNRowLow(); | |
721 | fSign = (fSector < kNIS/2) ? 1 : -1; | |
722 | nDDLs = 2; | |
723 | indexDDL = fSector * 2; | |
724 | } | |
725 | else { | |
726 | nRows = fParam->GetNRowUp(); | |
727 | fSign = ((fSector-kNIS) < kNOS/2) ? 1 : -1; | |
728 | nDDLs = 4; | |
729 | indexDDL = (fSector-kNIS) * 4 + kNIS * 2; | |
730 | } | |
731 | ||
22c352f8 | 732 | for (Int_t iRow = 0; iRow < nRows; iRow++) { |
733 | Int_t maxPad; | |
734 | if (fSector < kNIS) | |
735 | maxPad = fParam->GetNPadsLow(iRow); | |
736 | else | |
737 | maxPad = fParam->GetNPadsUp(iRow); | |
738 | ||
739 | Int_t maxBin = fMaxTime*(maxPad+6); // add 3 virtual pads before and 3 after | |
22c352f8 | 740 | memset(allBins[iRow],0,sizeof(Float_t)*maxBin); |
741 | memset(allBinsRes[iRow],0,sizeof(Float_t)*maxBin); | |
742 | } | |
743 | ||
744 | // Loas the raw data for corresponding DDLs | |
745 | rawReader->Reset(); | |
22c352f8 | 746 | input.SetOldRCUFormat(fIsOldRCUFormat); |
362c9d61 | 747 | rawReader->Select("TPC",indexDDL,indexDDL+nDDLs-1); |
adefcaa6 | 748 | Int_t digCounter=0; |
22c352f8 | 749 | // Begin loop over altro data |
adefcaa6 | 750 | Bool_t calcPedestal = fRecoParam->GetCalcPedestal(); |
751 | Float_t gain =1; | |
752 | Int_t lastPad=-1; | |
22c352f8 | 753 | while (input.Next()) { |
adefcaa6 | 754 | digCounter++; |
22c352f8 | 755 | if (input.GetSector() != fSector) |
756 | AliFatal(Form("Sector index mismatch ! Expected (%d), but got (%d) !",fSector,input.GetSector())); | |
757 | ||
22c352f8 | 758 | |
759 | Int_t iRow = input.GetRow(); | |
760 | if (iRow < 0 || iRow >= nRows) | |
761 | AliFatal(Form("Pad-row index (%d) outside the range (%d -> %d) !", | |
762 | iRow, 0, nRows -1)); | |
adefcaa6 | 763 | //pad |
764 | Int_t iPad = input.GetPad(); | |
765 | if (iPad < 0 || iPad >= nPadsMax) | |
22c352f8 | 766 | AliFatal(Form("Pad index (%d) outside the range (%d -> %d) !", |
adefcaa6 | 767 | iPad, 0, nPadsMax-1)); |
768 | if (iPad!=lastPad){ | |
769 | gain = gainROC->GetValue(iRow,iPad); | |
770 | lastPad = iPad; | |
771 | } | |
772 | iPad+=3; | |
773 | //time | |
774 | Int_t iTimeBin = input.GetTime(); | |
775 | if ( iTimeBin < 0 || iTimeBin >= fParam->GetMaxTBin()) | |
22c352f8 | 776 | AliFatal(Form("Timebin index (%d) outside the range (%d -> %d) !", |
adefcaa6 | 777 | iTimeBin, 0, iTimeBin -1)); |
778 | iTimeBin+=3; | |
779 | //signal | |
22c352f8 | 780 | Float_t signal = input.GetSignal(); |
adefcaa6 | 781 | if (!calcPedestal && signal <= zeroSup) continue; |
22c352f8 | 782 | allBins[iRow][iPad*fMaxTime+iTimeBin] = signal/gain; |
65c045f0 | 783 | allBins[iRow][iPad*fMaxTime+0] = 1; // pad with signal |
22c352f8 | 784 | } // End of the loop over altro data |
adefcaa6 | 785 | // |
786 | // | |
22c352f8 | 787 | // Now loop over rows and perform pedestal subtraction |
adefcaa6 | 788 | if (digCounter==0) continue; |
194b0609 | 789 | // if (fPedSubtraction) { |
adefcaa6 | 790 | if (calcPedestal) { |
22c352f8 | 791 | for (Int_t iRow = 0; iRow < nRows; iRow++) { |
792 | Int_t maxPad; | |
793 | if (fSector < kNIS) | |
794 | maxPad = fParam->GetNPadsLow(iRow); | |
795 | else | |
796 | maxPad = fParam->GetNPadsUp(iRow); | |
797 | ||
798 | for (Int_t iPad = 0; iPad < maxPad + 6; iPad++) { | |
65c045f0 | 799 | if (allBins[iRow][iPad*fMaxTime+0] !=1) continue; // no data |
22c352f8 | 800 | Float_t *p = &allBins[iRow][iPad*fMaxTime+3]; |
65c045f0 | 801 | //Float_t pedestal = TMath::Median(fMaxTime, p); |
802 | Int_t id[3] = {fSector, iRow, iPad-3}; | |
ef4ad662 | 803 | Double_t rms=0; |
804 | Float_t pedestal = ProcesSignal(p, fMaxTime, id, rms); | |
22c352f8 | 805 | for (Int_t iTimeBin = 0; iTimeBin < fMaxTime; iTimeBin++) { |
806 | allBins[iRow][iPad*fMaxTime+iTimeBin] -= pedestal; | |
7fef31a6 | 807 | if (iTimeBin < AliTPCReconstructor::GetRecoParam()->GetFirstBin()) |
808 | allBins[iRow][iPad*fMaxTime+iTimeBin] = 0; | |
809 | if (iTimeBin > AliTPCReconstructor::GetRecoParam()->GetLastBin()) | |
810 | allBins[iRow][iPad*fMaxTime+iTimeBin] = 0; | |
22c352f8 | 811 | if (allBins[iRow][iPad*fMaxTime+iTimeBin] < zeroSup) |
812 | allBins[iRow][iPad*fMaxTime+iTimeBin] = 0; | |
ef4ad662 | 813 | if (allBins[iRow][iPad*fMaxTime+iTimeBin] < 3.0*rms) // 3 sigma cut on RMS |
814 | allBins[iRow][iPad*fMaxTime+iTimeBin] = 0; | |
22c352f8 | 815 | } |
816 | } | |
f8aae377 | 817 | } |
22c352f8 | 818 | } |
22c352f8 | 819 | // Now loop over rows and find clusters |
820 | for (fRow = 0; fRow < nRows; fRow++) { | |
821 | fRowCl = new AliTPCClustersRow; | |
822 | fRowCl->SetClass("AliTPCclusterMI"); | |
823 | fRowCl->SetArray(1); | |
824 | fRowCl->SetID(fParam->GetIndex(fSector, fRow)); | |
825 | fOutput->GetBranch("Segment")->SetAddress(&fRowCl); | |
826 | ||
827 | fRx = fParam->GetPadRowRadii(fSector, fRow); | |
828 | fPadLength = fParam->GetPadPitchLength(fSector, fRow); | |
f8aae377 | 829 | fPadWidth = fParam->GetPadPitchWidth(); |
22c352f8 | 830 | if (fSector < kNIS) |
831 | fMaxPad = fParam->GetNPadsLow(fRow); | |
832 | else | |
833 | fMaxPad = fParam->GetNPadsUp(fRow); | |
f8aae377 | 834 | fMaxBin = fMaxTime*(fMaxPad+6); // add 3 virtual pads before and 3 after |
22c352f8 | 835 | |
836 | fBins = allBins[fRow]; | |
837 | fResBins = allBinsRes[fRow]; | |
838 | ||
839 | FindClusters(); | |
840 | ||
841 | fOutput->Fill(); | |
842 | delete fRowCl; | |
843 | nclusters += fNcluster; | |
844 | } // End of loop to find clusters | |
22c352f8 | 845 | } // End of loop over sectors |
adefcaa6 | 846 | |
847 | for (Int_t iRow = 0; iRow < nRowsMax; iRow++) { | |
848 | delete [] allBins[iRow]; | |
849 | delete [] allBinsRes[iRow]; | |
850 | } | |
851 | delete [] allBins; | |
852 | delete [] allBinsRes; | |
853 | ||
854 | Info("Digits2Clusters", "Event\t%d\tNumber of found clusters : %d\n", rawReader->GetEventId(), nclusters); | |
22c352f8 | 855 | |
f8aae377 | 856 | } |
857 | ||
858 | void AliTPCclustererMI::FindClusters() | |
859 | { | |
860 | //add virtual charge at the edge | |
861 | for (Int_t i=0; i<fMaxTime; i++){ | |
862 | Float_t amp1 = fBins[i+3*fMaxTime]; | |
863 | Float_t amp0 =0; | |
864 | if (amp1>0){ | |
865 | Float_t amp2 = fBins[i+4*fMaxTime]; | |
866 | if (amp2==0) amp2=0.5; | |
867 | Float_t sigma2 = GetSigmaY2(i); | |
868 | amp0 = (amp1*amp1/amp2)*TMath::Exp(-1./sigma2); | |
869 | if (gDebug>4) printf("\n%f\n",amp0); | |
870 | } | |
13116aec | 871 | fBins[i+2*fMaxTime] = amp0; |
f8aae377 | 872 | amp0 = 0; |
873 | amp1 = fBins[(fMaxPad+2)*fMaxTime+i]; | |
874 | if (amp1>0){ | |
875 | Float_t amp2 = fBins[i+(fMaxPad+1)*fMaxTime]; | |
876 | if (amp2==0) amp2=0.5; | |
877 | Float_t sigma2 = GetSigmaY2(i); | |
878 | amp0 = (amp1*amp1/amp2)*TMath::Exp(-1./sigma2); | |
879 | if (gDebug>4) printf("\n%f\n",amp0); | |
880 | } | |
13116aec | 881 | fBins[(fMaxPad+3)*fMaxTime+i] = amp0; |
f8aae377 | 882 | } |
883 | ||
884 | // memcpy(fResBins,fBins, fMaxBin*2); | |
885 | memcpy(fResBins,fBins, fMaxBin); | |
886 | // | |
887 | fNcluster=0; | |
888 | //first loop - for "gold cluster" | |
889 | fLoop=1; | |
13116aec | 890 | Float_t *b=&fBins[-1]+2*fMaxTime; |
194b0609 | 891 | Int_t crtime = Int_t((fParam->GetZLength()-fRecoParam->GetCtgRange()*fRx)/fZWidth-fParam->GetNTBinsL1()-5); |
f8aae377 | 892 | |
893 | for (Int_t i=2*fMaxTime; i<fMaxBin-2*fMaxTime; i++) { | |
894 | b++; | |
895 | if (*b<8) continue; //threshold form maxima | |
896 | if (i%fMaxTime<crtime) { | |
897 | Int_t delta = -(i%fMaxTime)+crtime; | |
898 | b+=delta; | |
899 | i+=delta; | |
900 | continue; | |
901 | } | |
902 | ||
903 | if (!IsMaximum(*b,fMaxTime,b)) continue; | |
904 | AliTPCclusterMI c; | |
905 | Int_t dummy=0; | |
906 | MakeCluster(i, fMaxTime, fBins, dummy,c); | |
907 | //} | |
908 | } | |
909 | //memcpy(fBins,fResBins, fMaxBin*2); | |
910 | //second loop - for rest cluster | |
911 | /* | |
912 | fLoop=2; | |
913 | b=&fResBins[-1]+2*fMaxTime; | |
914 | for (Int_t i=2*fMaxTime; i<fMaxBin-2*fMaxTime; i++) { | |
915 | b++; | |
916 | if (*b<25) continue; // bigger threshold for maxima | |
917 | if (!IsMaximum(*b,fMaxTime,b)) continue; | |
918 | AliTPCclusterMI c; | |
919 | Int_t dummy; | |
920 | MakeCluster(i, fMaxTime, fResBins, dummy,c); | |
921 | //} | |
922 | } | |
923 | */ | |
8569a2b0 | 924 | } |
65c045f0 | 925 | |
926 | ||
ef4ad662 | 927 | Double_t AliTPCclustererMI::ProcesSignal(Float_t *signal, Int_t nchannels, Int_t id[3], Double_t &rmsOut){ |
65c045f0 | 928 | // |
929 | // process signal on given pad - + streaming of additional information in special mode | |
930 | // | |
931 | // id[0] - sector | |
932 | // id[1] - row | |
adefcaa6 | 933 | // id[2] - pad |
934 | ||
935 | // | |
936 | // ESTIMATE pedestal and the noise | |
937 | // | |
65c045f0 | 938 | Int_t offset =100; |
adefcaa6 | 939 | const Int_t kPedMax = 100; |
940 | Float_t max = 0; | |
941 | Float_t maxPos = 0; | |
942 | Int_t median = -1; | |
943 | Int_t count0 = 0; | |
944 | Int_t count1 = 0; | |
65c045f0 | 945 | // |
adefcaa6 | 946 | UShort_t histo[kPedMax]; |
947 | memset(histo,0,kPedMax*sizeof(UShort_t)); | |
948 | for (Int_t i=0; i<fMaxTime; i++){ | |
949 | if (signal[i]<=0) continue; | |
950 | if (signal[i]>max) { | |
65c045f0 | 951 | max = signal[i]; |
952 | maxPos = i; | |
adefcaa6 | 953 | } |
954 | if (signal[i]>kPedMax-1) continue; | |
955 | histo[int(signal[i]+0.5)]++; | |
956 | count0++; | |
65c045f0 | 957 | } |
7fef31a6 | 958 | // |
adefcaa6 | 959 | for (Int_t i=1; i<kPedMax; i++){ |
960 | if (count1<count0*0.5) median=i; | |
961 | count1+=histo[i]; | |
962 | } | |
963 | // truncated mean | |
65c045f0 | 964 | // |
adefcaa6 | 965 | Double_t count10=histo[median] ,mean=histo[median]*median, rms=histo[median]*median*median ; |
966 | Double_t count06=histo[median] ,mean06=histo[median]*median, rms06=histo[median]*median*median ; | |
967 | Double_t count09=histo[median] ,mean09=histo[median]*median, rms09=histo[median]*median*median ; | |
968 | // | |
969 | for (Int_t idelta=1; idelta<10; idelta++){ | |
970 | if (median-idelta<=0) continue; | |
971 | if (median+idelta>kPedMax) continue; | |
972 | if (count06<0.6*count1){ | |
973 | count06+=histo[median-idelta]; | |
974 | mean06 +=histo[median-idelta]*(median-idelta); | |
975 | rms06 +=histo[median-idelta]*(median-idelta)*(median-idelta); | |
976 | count06+=histo[median+idelta]; | |
977 | mean06 +=histo[median+idelta]*(median+idelta); | |
978 | rms06 +=histo[median+idelta]*(median+idelta)*(median+idelta); | |
979 | } | |
980 | if (count09<0.9*count1){ | |
981 | count09+=histo[median-idelta]; | |
982 | mean09 +=histo[median-idelta]*(median-idelta); | |
983 | rms09 +=histo[median-idelta]*(median-idelta)*(median-idelta); | |
984 | count09+=histo[median+idelta]; | |
985 | mean09 +=histo[median+idelta]*(median+idelta); | |
986 | rms09 +=histo[median+idelta]*(median+idelta)*(median+idelta); | |
65c045f0 | 987 | } |
adefcaa6 | 988 | if (count10<0.95*count1){ |
989 | count10+=histo[median-idelta]; | |
990 | mean +=histo[median-idelta]*(median-idelta); | |
991 | rms +=histo[median-idelta]*(median-idelta)*(median-idelta); | |
992 | count10+=histo[median+idelta]; | |
993 | mean +=histo[median+idelta]*(median+idelta); | |
994 | rms +=histo[median+idelta]*(median+idelta)*(median+idelta); | |
995 | } | |
996 | } | |
997 | mean /=count10; | |
998 | mean06/=count06; | |
999 | mean09/=count09; | |
1000 | rms = TMath::Sqrt(TMath::Abs(rms/count10-mean*mean)); | |
1001 | rms06 = TMath::Sqrt(TMath::Abs(rms06/count06-mean06*mean06)); | |
1002 | rms09 = TMath::Sqrt(TMath::Abs(rms09/count09-mean09*mean09)); | |
ef4ad662 | 1003 | rmsOut = rms09; |
adefcaa6 | 1004 | // |
1005 | if (AliLog::GetDebugLevel("","AliTPCclustererMI")==0) return median; | |
1006 | // | |
1007 | UInt_t uid[3] = {UInt_t(id[0]),UInt_t(id[1]),UInt_t(id[2])}; | |
1008 | // | |
1009 | // Dump mean signal info | |
1010 | // | |
1011 | (*fDebugStreamer)<<"Signal"<< | |
ef4ad662 | 1012 | "TimeStamp="<<fTimeStamp<< |
1013 | "EventType="<<fEventType<< | |
adefcaa6 | 1014 | "Sector="<<uid[0]<< |
1015 | "Row="<<uid[1]<< | |
1016 | "Pad="<<uid[2]<< | |
1017 | "Max="<<max<< | |
1018 | "MaxPos="<<maxPos<< | |
1019 | // | |
1020 | "Median="<<median<< | |
1021 | "Mean="<<mean<< | |
1022 | "RMS="<<rms<< | |
1023 | "Mean06="<<mean06<< | |
1024 | "RMS06="<<rms06<< | |
1025 | "Mean09="<<mean09<< | |
1026 | "RMS09="<<rms09<< | |
1027 | "\n"; | |
1028 | // | |
1029 | // fill pedestal histogram | |
1030 | // | |
1031 | AliTPCROC * roc = AliTPCROC::Instance(); | |
1032 | if (!fAmplitudeHisto){ | |
1033 | fAmplitudeHisto = new TObjArray(72); | |
1034 | } | |
1035 | // | |
1036 | if (uid[0]<roc->GetNSectors() | |
1037 | && uid[1]< roc->GetNRows(uid[0]) && | |
1038 | uid[2] <roc->GetNPads(uid[0], uid[1])){ | |
65c045f0 | 1039 | TObjArray * sectorArray = (TObjArray*)fAmplitudeHisto->UncheckedAt(uid[0]); |
1040 | if (!sectorArray){ | |
adefcaa6 | 1041 | Int_t npads =roc->GetNChannels(uid[0]); |
65c045f0 | 1042 | sectorArray = new TObjArray(npads); |
1043 | fAmplitudeHisto->AddAt(sectorArray, uid[0]); | |
1044 | } | |
adefcaa6 | 1045 | Int_t position = uid[2]+roc->GetRowIndexes(uid[0])[uid[1]]; |
65c045f0 | 1046 | TH1F * histo = (TH1F*)sectorArray->UncheckedAt(position); |
1047 | if (!histo){ | |
1048 | char hname[100]; | |
1049 | sprintf(hname,"Amp_%d_%d_%d",uid[0],uid[1],uid[2]); | |
1050 | TFile * backup = gFile; | |
1051 | fDebugStreamer->GetFile()->cd(); | |
194b0609 | 1052 | histo = new TH1F(hname, hname, 100, 5,100); |
65c045f0 | 1053 | //histo->SetDirectory(0); // histogram not connected to directory -(File) |
1054 | sectorArray->AddAt(histo, position); | |
1055 | if (backup) backup->cd(); | |
1056 | } | |
1057 | for (Int_t i=0; i<nchannels; i++){ | |
adefcaa6 | 1058 | histo->Fill(signal[i]); |
65c045f0 | 1059 | } |
1060 | } | |
1061 | // | |
adefcaa6 | 1062 | // |
1063 | // | |
1064 | Float_t kMin =fRecoParam->GetDumpAmplitudeMin(); // minimal signal to be dumped | |
1065 | Float_t *dsignal = new Float_t[nchannels]; | |
1066 | Float_t *dtime = new Float_t[nchannels]; | |
1067 | for (Int_t i=0; i<nchannels; i++){ | |
1068 | dtime[i] = i; | |
1069 | dsignal[i] = signal[i]; | |
1070 | } | |
1071 | // | |
1072 | // | |
65c045f0 | 1073 | TGraph * graph; |
1074 | Bool_t random = (gRandom->Rndm()<0.0001); | |
1075 | if (max-median>kMin || rms06>2.*fParam->GetZeroSup() || random){ | |
1076 | graph =new TGraph(nchannels, dtime, dsignal); | |
1077 | if (rms06>2.*fParam->GetZeroSup() || random) | |
1078 | (*fDebugStreamer)<<"SignalN"<< //noise pads - or random sample of pads | |
ef4ad662 | 1079 | "TimeStamp="<<fTimeStamp<< |
1080 | "EventType="<<fEventType<< | |
65c045f0 | 1081 | "Sector="<<uid[0]<< |
1082 | "Row="<<uid[1]<< | |
1083 | "Pad="<<uid[2]<< | |
864c1803 | 1084 | "Graph="<<graph<< |
65c045f0 | 1085 | "Max="<<max<< |
1086 | "MaxPos="<<maxPos<< | |
1087 | // | |
1088 | "Median="<<median<< | |
1089 | "Mean="<<mean<< | |
1090 | "RMS="<<rms<< | |
1091 | "Mean06="<<mean06<< | |
1092 | "RMS06="<<rms06<< | |
65c045f0 | 1093 | "Mean09="<<mean09<< |
1094 | "RMS09="<<rms09<< | |
1095 | "\n"; | |
fe5055e5 | 1096 | if (max-median>kMin &&maxPos>AliTPCReconstructor::GetRecoParam()->GetFirstBin()) |
65c045f0 | 1097 | (*fDebugStreamer)<<"SignalB"<< // pads with signal |
ef4ad662 | 1098 | "TimeStamp="<<fTimeStamp<< |
1099 | "EventType="<<fEventType<< | |
65c045f0 | 1100 | "Sector="<<uid[0]<< |
1101 | "Row="<<uid[1]<< | |
1102 | "Pad="<<uid[2]<< | |
864c1803 | 1103 | "Graph="<<graph<< |
65c045f0 | 1104 | "Max="<<max<< |
1105 | "MaxPos="<<maxPos<< | |
1106 | // | |
1107 | "Median="<<median<< | |
1108 | "Mean="<<mean<< | |
1109 | "RMS="<<rms<< | |
1110 | "Mean06="<<mean06<< | |
1111 | "RMS06="<<rms06<< | |
65c045f0 | 1112 | "Mean09="<<mean09<< |
1113 | "RMS09="<<rms09<< | |
1114 | "\n"; | |
1115 | delete graph; | |
1116 | } | |
1117 | ||
7fef31a6 | 1118 | // |
1119 | // | |
1120 | // Central Electrode signal analysis | |
1121 | // | |
1122 | Double_t ceQmax =0, ceQsum=0, ceTime=0; | |
1123 | Double_t cemean = mean06, cerms=rms06 ; | |
1124 | Int_t cemaxpos= 0; | |
1125 | Double_t ceThreshold=5.*cerms; | |
1126 | Double_t ceSumThreshold=8.*cerms; | |
97f127bb | 1127 | const Int_t kCemin=5; // range for the analysis of the ce signal +- channels from the peak |
1128 | const Int_t kCemax=5; | |
adefcaa6 | 1129 | for (Int_t i=nchannels-2; i>nchannels/2; i--){ |
7fef31a6 | 1130 | if ( (dsignal[i]-mean06)>ceThreshold && dsignal[i]>=dsignal[i+1] && dsignal[i]>=dsignal[i-1] ){ |
1131 | cemaxpos=i; | |
1132 | break; | |
1133 | } | |
1134 | } | |
1135 | if (cemaxpos!=0){ | |
adefcaa6 | 1136 | ceQmax = 0; |
1137 | Int_t cemaxpos2=0; | |
1138 | for (Int_t i=cemaxpos-20; i<cemaxpos+5; i++){ | |
1139 | if (i<0 || i>nchannels-1) continue; | |
1140 | Double_t val=dsignal[i]- cemean; | |
1141 | if (val>ceQmax){ | |
1142 | cemaxpos2=i; | |
1143 | ceQmax = val; | |
7fef31a6 | 1144 | } |
adefcaa6 | 1145 | } |
1146 | cemaxpos = cemaxpos2; | |
1147 | ||
1148 | for (Int_t i=cemaxpos-kCemin; i<cemaxpos+kCemax; i++){ | |
1149 | if (i>0 && i<nchannels&&dsignal[i]- cemean>0){ | |
1150 | Double_t val=dsignal[i]- cemean; | |
1151 | ceTime+=val*dtime[i]; | |
1152 | ceQsum+=val; | |
1153 | if (val>ceQmax) ceQmax=val; | |
7fef31a6 | 1154 | } |
adefcaa6 | 1155 | } |
1156 | if (ceQmax&&ceQsum>ceSumThreshold) { | |
1157 | ceTime/=ceQsum; | |
1158 | (*fDebugStreamer)<<"Signalce"<< | |
ef4ad662 | 1159 | "TimeStamp="<<fTimeStamp<< |
1160 | "EventType="<<fEventType<< | |
adefcaa6 | 1161 | "Sector="<<uid[0]<< |
1162 | "Row="<<uid[1]<< | |
1163 | "Pad="<<uid[2]<< | |
1164 | "Max="<<ceQmax<< | |
1165 | "Qsum="<<ceQsum<< | |
1166 | "Time="<<ceTime<< | |
1167 | "RMS06="<<rms06<< | |
1168 | // | |
1169 | "\n"; | |
1170 | } | |
7fef31a6 | 1171 | } |
1172 | // end of ce signal analysis | |
1173 | // | |
1174 | ||
1175 | // | |
1176 | // Gating grid signal analysis | |
1177 | // | |
1178 | Double_t ggQmax =0, ggQsum=0, ggTime=0; | |
1179 | Double_t ggmean = mean06, ggrms=rms06 ; | |
1180 | Int_t ggmaxpos= 0; | |
1181 | Double_t ggThreshold=5.*ggrms; | |
1182 | Double_t ggSumThreshold=8.*ggrms; | |
bd85a5e8 | 1183 | |
adefcaa6 | 1184 | for (Int_t i=1; i<nchannels/4; i++){ |
bd85a5e8 | 1185 | if ( (dsignal[i]-mean06)>ggThreshold && dsignal[i]>=dsignal[i+1] && dsignal[i]>=dsignal[i-1] && |
1186 | (dsignal[i]+dsignal[i+1]+dsignal[i-1]-3*mean06)>ggSumThreshold){ | |
7fef31a6 | 1187 | ggmaxpos=i; |
bd85a5e8 | 1188 | if (dsignal[i-1]>dsignal[i+1]) ggmaxpos=i-1; |
7fef31a6 | 1189 | break; |
1190 | } | |
1191 | } | |
1192 | if (ggmaxpos!=0){ | |
bd85a5e8 | 1193 | for (Int_t i=ggmaxpos-1; i<ggmaxpos+3; i++){ |
1194 | if (i>0 && i<nchannels && dsignal[i]-ggmean>0){ | |
7fef31a6 | 1195 | Double_t val=dsignal[i]- ggmean; |
1196 | ggTime+=val*dtime[i]; | |
1197 | ggQsum+=val; | |
1198 | if (val>ggQmax) ggQmax=val; | |
1199 | } | |
1200 | } | |
1201 | if (ggQmax&&ggQsum>ggSumThreshold) { | |
1202 | ggTime/=ggQsum; | |
1203 | (*fDebugStreamer)<<"Signalgg"<< | |
ef4ad662 | 1204 | "TimeStamp="<<fTimeStamp<< |
1205 | "EventType="<<fEventType<< | |
7fef31a6 | 1206 | "Sector="<<uid[0]<< |
1207 | "Row="<<uid[1]<< | |
1208 | "Pad="<<uid[2]<< | |
1209 | "Max="<<ggQmax<< | |
1210 | "Qsum="<<ggQsum<< | |
1211 | "Time="<<ggTime<< | |
bd85a5e8 | 1212 | "RMS06="<<rms06<< |
7fef31a6 | 1213 | // |
1214 | "\n"; | |
1215 | } | |
1216 | } | |
1217 | // end of gg signal analysis | |
1218 | ||
1219 | ||
65c045f0 | 1220 | delete [] dsignal; |
1221 | delete [] dtime; | |
194b0609 | 1222 | if (rms06>fRecoParam->GetMaxNoise()) return 1024+median; // sign noisy channel in debug mode |
65c045f0 | 1223 | return median; |
1224 | } | |
1225 | ||
1226 | ||
1227 | ||
1228 | void AliTPCclustererMI::DumpHistos(){ | |
adefcaa6 | 1229 | // |
1230 | // Dump histogram information | |
1231 | // | |
65c045f0 | 1232 | if (!fAmplitudeHisto) return; |
adefcaa6 | 1233 | AliTPCROC * roc = AliTPCROC::Instance(); |
65c045f0 | 1234 | for (UInt_t isector=0; isector<AliTPCROC::Instance()->GetNSectors(); isector++){ |
1235 | TObjArray * array = (TObjArray*)fAmplitudeHisto->UncheckedAt(isector); | |
1236 | if (!array) continue; | |
1237 | for (UInt_t ipad = 0; ipad <(UInt_t)array->GetEntriesFast(); ipad++){ | |
1238 | TH1F * histo = (TH1F*) array->UncheckedAt(ipad); | |
1239 | if (!histo) continue; | |
1240 | if (histo->GetEntries()<100) continue; | |
1241 | histo->Fit("gaus","q"); | |
1242 | Float_t mean = histo->GetMean(); | |
1243 | Float_t rms = histo->GetRMS(); | |
1244 | Float_t gmean = histo->GetFunction("gaus")->GetParameter(1); | |
1245 | Float_t gsigma = histo->GetFunction("gaus")->GetParameter(2); | |
1246 | Float_t max = histo->GetFunction("gaus")->GetParameter(0); | |
1247 | ||
1248 | // get pad number | |
1249 | UInt_t row=0, pad =0; | |
adefcaa6 | 1250 | const UInt_t *indexes =roc->GetRowIndexes(isector); |
1251 | for (UInt_t irow=0; irow<roc->GetNRows(isector); irow++){ | |
65c045f0 | 1252 | if (indexes[irow]<ipad){ |
1253 | row = irow; | |
1254 | pad = ipad-indexes[irow]; | |
1255 | } | |
1256 | } | |
1257 | Int_t rpad = pad - (AliTPCROC::Instance()->GetNPads(isector,row))/2; | |
1258 | // | |
1259 | (*fDebugStreamer)<<"Fit"<< | |
ef4ad662 | 1260 | "TimeStamp="<<fTimeStamp<< |
1261 | "EventType="<<fEventType<< | |
65c045f0 | 1262 | "Sector="<<isector<< |
1263 | "Row="<<row<< | |
1264 | "Pad="<<pad<< | |
1265 | "RPad="<<rpad<< | |
1266 | "Max="<<max<< | |
1267 | "Mean="<<mean<< | |
1268 | "RMS="<<rms<< | |
1269 | "GMean="<<gmean<< | |
1270 | "GSigma="<<gsigma<< | |
1271 | "\n"; | |
1272 | if (array->UncheckedAt(ipad)) fDebugStreamer->StoreObject(array->UncheckedAt(ipad)); | |
1273 | } | |
1274 | } | |
1275 | } |