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