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348f80b7 | 1 | /************************************************************************** |
2 | * Copyright(c) 2007-2009, 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 | #include "AliITSOnlineSDDInjectors.h" | |
16 | #include <TH2F.h> | |
17 | #include <TGraphErrors.h> | |
18 | #include <TMath.h> | |
19 | ||
4c82df4c | 20 | /* $Id$ */ |
21 | ||
348f80b7 | 22 | /////////////////////////////////////////////////////////////////// |
23 | // // | |
24 | // Implementation of the class used for SDD injector analysis // | |
25 | // Origin: F.Prino, Torino, prino@to.infn.it // | |
26 | // // | |
27 | /////////////////////////////////////////////////////////////////// | |
28 | ||
29 | ClassImp(AliITSOnlineSDDInjectors) | |
30 | ||
31 | const Float_t AliITSOnlineSDDInjectors::fgkSaturation = 1008.; | |
348f80b7 | 32 | |
33 | //______________________________________________________________________ | |
4ff6aa93 | 34 | AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors():AliITSOnlineSDD(),fHisto(),fTbZero(0.),fParam(),fPolOrder(0),fMinDriftVel(0.),fMaxDriftVel(0.),fThreshold(0.),fTimeDiffTB() |
348f80b7 | 35 | { |
36 | // default constructor | |
37 | SetMinDriftVel(); | |
38 | SetMaxDriftVel(); | |
39 | SetRangeLine1(); | |
40 | SetRangeLine2(); | |
41 | SetRangeLine3(); | |
42 | SetPositions(); | |
43 | SetPolOrder(); | |
44 | SetThreshold(); | |
4ff6aa93 | 45 | SetTimeDiffTB(); |
348f80b7 | 46 | } |
47 | //______________________________________________________________________ | |
4ff6aa93 | 48 | AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors(Int_t mod, Int_t sid):AliITSOnlineSDD(mod,sid),fHisto(),fTbZero(0.),fParam(),fPolOrder(0),fMinDriftVel(0.),fMaxDriftVel(0.),fThreshold(0.),fTimeDiffTB() |
beb262b4 | 49 | { |
50 | // standard constructor | |
348f80b7 | 51 | SetMinDriftVel(); |
52 | SetMaxDriftVel(); | |
53 | SetRangeLine1(); | |
54 | SetRangeLine2(); | |
55 | SetRangeLine3(); | |
56 | SetPositions(); | |
57 | SetPolOrder(); | |
58 | SetThreshold(); | |
4ff6aa93 | 59 | SetTimeDiffTB(); |
348f80b7 | 60 | } |
61 | //______________________________________________________________________ | |
62 | AliITSOnlineSDDInjectors::~AliITSOnlineSDDInjectors(){ | |
63 | // Destructor | |
64 | if(fHisto) delete fHisto; | |
65 | if(fParam) delete [] fParam; | |
66 | } | |
67 | //______________________________________________________________________ | |
68 | void AliITSOnlineSDDInjectors::SetPositions(){ | |
69 | // | |
70 | Float_t kLinFromCenterUm[3]={31860.,17460.,660.}; | |
71 | Float_t kAnodeFromCenterUm=35085; | |
72 | for(Int_t i=0;i<3;i++){ | |
73 | fPosition[i]=kAnodeFromCenterUm-kLinFromCenterUm[i]; | |
74 | fPosition[i]/=10000.; // from microns to cm | |
75 | } | |
76 | } | |
77 | //______________________________________________________________________ | |
78 | void AliITSOnlineSDDInjectors::Reset(){ | |
beb262b4 | 79 | // |
348f80b7 | 80 | for(Int_t i=0;i<kNInjectors;i++){ |
81 | fDriftVel[i]=0.; | |
82 | fSigmaDriftVel[i]=0.; | |
83 | } | |
84 | for(Int_t i=0;i<kNInjectors;i++){ | |
85 | for(Int_t j=0;j<3;j++){ | |
86 | fGoodInj[i][j]=0; | |
87 | fCentroid[i][j]=0.; | |
88 | fRMSCentroid[i][j]=0.; | |
89 | } | |
90 | } | |
91 | } | |
92 | //______________________________________________________________________ | |
93 | void AliITSOnlineSDDInjectors::AnalyzeEvent(TH2F* his){ | |
94 | // | |
95 | Reset(); | |
96 | fHisto=his; | |
97 | FindGoodInjectors(); | |
98 | FindCentroids(); | |
99 | CalcTimeBinZero(); | |
100 | for(Int_t j=0;j<kNInjectors;j++) CalcDriftVelocity(j); | |
101 | FitDriftVelocityVsAnode(); | |
102 | } | |
103 | //______________________________________________________________________ | |
4ff6aa93 | 104 | TGraphErrors* AliITSOnlineSDDInjectors::GetLineGraph(Int_t jlin) const{ |
348f80b7 | 105 | // |
106 | Float_t x[4],y[4],ex[4],ey[4]; | |
107 | x[0]=0.; | |
108 | ex[0]=0.; | |
109 | y[0]=fTbZero; | |
110 | ey[0]=0.; | |
111 | for(Int_t i=0;i<3;i++){ | |
112 | x[i+1]=fPosition[i]; | |
113 | ex[i+1]=0.; | |
114 | y[i+1]=fCentroid[jlin][i]; | |
115 | ey[i+1]=fRMSCentroid[jlin][i]; | |
116 | } | |
117 | TGraphErrors *g=new TGraphErrors(4,x,y,ex,ey); | |
118 | return g; | |
119 | } | |
120 | //______________________________________________________________________ | |
121 | Float_t AliITSOnlineSDDInjectors::GetDriftCoordinate(Float_t cAnode, Float_t cTimeBin){ | |
beb262b4 | 122 | // |
348f80b7 | 123 | Float_t vel=0; |
124 | for(Int_t i=0;i<=fPolOrder;i++) vel+=fParam[i]*TMath::Power(cAnode,(Float_t)i); | |
4ff6aa93 | 125 | return vel*(cTimeBin-(fTbZero-fTimeDiffTB))*25/1000.; |
348f80b7 | 126 | } |
127 | //______________________________________________________________________ | |
beb262b4 | 128 | TGraphErrors* AliITSOnlineSDDInjectors::GetDriftVelocityGraph() const{ |
348f80b7 | 129 | // |
348f80b7 | 130 | Int_t ipt=0; |
131 | TGraphErrors *g=new TGraphErrors(0); | |
132 | for(Int_t i=0;i<kNInjectors;i++){ | |
133 | if(fDriftVel[i]>0){ | |
134 | g->SetPoint(ipt,GetAnodeNumber(i),fDriftVel[i]); | |
135 | g->SetPointError(ipt,0,fSigmaDriftVel[i]); | |
136 | ipt++; | |
137 | } | |
138 | } | |
139 | return g; | |
140 | } | |
141 | //______________________________________________________________________ | |
142 | void AliITSOnlineSDDInjectors::CalcTimeBinZero(){ | |
beb262b4 | 143 | // |
348f80b7 | 144 | Float_t tzero=0.,intCont=0.; |
145 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ | |
146 | for(Int_t itb=1;itb<fTbMin[0];itb++){ | |
147 | Float_t cont=fHisto->GetBinContent(itb,ian+1); | |
148 | if(cont>fThreshold){ | |
149 | tzero+=cont*float(itb); | |
150 | intCont+=cont; | |
151 | } | |
152 | } | |
153 | } | |
154 | if(intCont>0) fTbZero=tzero/intCont; | |
155 | } | |
156 | //______________________________________________________________________ | |
157 | void AliITSOnlineSDDInjectors::FitDriftVelocityVsAnode(){ | |
4ff6aa93 | 158 | // fits the anode dependence of drift velocity with a polynomial |
159 | const Int_t kNn=fPolOrder+1; | |
160 | Float_t **mat = new Float_t*[kNn]; | |
161 | for(Int_t i=0; i < kNn; i++) mat[i] = new Float_t[kNn]; | |
162 | Float_t *vect = new Float_t[kNn]; | |
163 | for(Int_t k1=0;k1<kNn;k1++){ | |
348f80b7 | 164 | vect[k1]=0; |
4ff6aa93 | 165 | for(Int_t k2=0;k2<kNn;k2++){ |
348f80b7 | 166 | mat[k1][k2]=0; |
167 | for(Int_t n=0; n<kNInjectors;n++){ | |
168 | Float_t x=(Float_t)GetAnodeNumber(n); | |
169 | if(fDriftVel[n]>0) mat[k1][k2]+=TMath::Power(x,k1+k2)/TMath::Power(fSigmaDriftVel[n],2); | |
170 | } | |
171 | } | |
172 | } | |
4ff6aa93 | 173 | for(Int_t k1=0;k1<kNn;k1++){ |
348f80b7 | 174 | for(Int_t n=0; n<kNInjectors;n++){ |
175 | Float_t x=(Float_t)GetAnodeNumber(n); | |
176 | if(fDriftVel[n]>0) vect[k1]+=fDriftVel[n]*TMath::Power(x,k1)/TMath::Power(fSigmaDriftVel[n],2); | |
177 | } | |
178 | } | |
4ff6aa93 | 179 | Int_t *iPivot = new Int_t[kNn]; |
180 | Int_t *indxR = new Int_t[kNn]; | |
181 | Int_t *indxC = new Int_t[kNn]; | |
182 | for(Int_t i=0;i<kNn;i++) iPivot[i]=0; | |
348f80b7 | 183 | Int_t iCol=-1,iRow=-1; |
4ff6aa93 | 184 | for(Int_t i=0;i<kNn;i++){ |
348f80b7 | 185 | Float_t big=0.; |
4ff6aa93 | 186 | for(Int_t j=0;j<kNn;j++){ |
348f80b7 | 187 | if(iPivot[j]!=1){ |
4ff6aa93 | 188 | for(Int_t k=0;k<kNn;k++){ |
348f80b7 | 189 | if(iPivot[k]==0){ |
190 | if(TMath::Abs(mat[j][k])>=big){ | |
191 | big=TMath::Abs(mat[j][k]); | |
192 | iRow=j; | |
193 | iCol=k; | |
194 | } | |
195 | } | |
196 | } | |
197 | } | |
198 | } | |
199 | iPivot[iCol]++; | |
200 | Float_t aux; | |
201 | if(iRow!=iCol){ | |
4ff6aa93 | 202 | for(Int_t l=0;l<kNn;l++){ |
348f80b7 | 203 | aux=mat[iRow][l]; |
204 | mat[iRow][l]=mat[iCol][l]; | |
205 | mat[iCol][l]=aux; | |
206 | } | |
207 | aux=vect[iRow]; | |
208 | vect[iRow]=vect[iCol]; | |
209 | vect[iCol]=aux; | |
210 | } | |
211 | indxR[i]=iRow; | |
212 | indxC[i]=iCol; | |
213 | if(mat[iCol][iCol]==0) break; | |
214 | Float_t pivinv=1./mat[iCol][iCol]; | |
215 | mat[iCol][iCol]=1; | |
4ff6aa93 | 216 | for(Int_t l=0;l<kNn;l++) mat[iCol][l]*=pivinv; |
348f80b7 | 217 | vect[iCol]*=pivinv; |
4ff6aa93 | 218 | for(Int_t m=0;m<kNn;m++){ |
348f80b7 | 219 | if(m!=iCol){ |
220 | aux=mat[m][iCol]; | |
221 | mat[m][iCol]=0; | |
4ff6aa93 | 222 | for(Int_t n=0;n<kNn;n++) mat[m][n]-=mat[iCol][n]*aux; |
348f80b7 | 223 | vect[m]-=vect[iCol]*aux; |
224 | } | |
225 | } | |
226 | } | |
227 | delete [] iPivot; | |
228 | delete [] indxR; | |
229 | delete [] indxC; | |
230 | ||
231 | if(fParam) delete [] fParam; | |
4ff6aa93 | 232 | fParam=new Float_t[kNn]; |
233 | for(Int_t i=0; i<kNn;i++)fParam[i]=vect[i]; | |
348f80b7 | 234 | |
4ff6aa93 | 235 | for(Int_t i=0; i < kNn; i++) delete [] mat[i]; |
348f80b7 | 236 | delete [] mat; |
237 | delete [] vect; | |
238 | } | |
239 | //______________________________________________________________________ | |
240 | void AliITSOnlineSDDInjectors::CalcDriftVelocity(Int_t jlin){ | |
241 | // | |
242 | Float_t sumY=0,sumX=0,sumXX=0,sumYY=0.,sumXY=0,sumWEI=0.; | |
243 | Int_t npt=0; | |
244 | Float_t y[3],ey[3]; | |
245 | Float_t tzero=0,erry=0; | |
246 | for(Int_t i=0;i<3;i++){ | |
247 | y[i]=fCentroid[jlin][i]; | |
248 | ey[i]=fRMSCentroid[jlin][i]; | |
249 | } | |
250 | for(Int_t i=0;i<3;i++){ | |
251 | if(fGoodInj[jlin][i]){ | |
252 | sumY+=y[i]/ey[i]/ey[i]; | |
253 | sumX+=fPosition[i]/ey[i]/ey[i]; | |
254 | sumXX+=fPosition[i]*fPosition[i]/ey[i]/ey[i]; | |
255 | sumYY+=y[i]*y[i]/ey[i]/ey[i]; | |
256 | sumXY+=fPosition[i]*y[i]/ey[i]/ey[i]; | |
257 | sumWEI+=1./ey[i]/ey[i]; | |
258 | tzero=fTbZero/ey[i]/ey[i]; | |
259 | erry=ey[i]; | |
260 | npt++; | |
261 | } | |
262 | } | |
263 | Float_t vel=0,evel=0; | |
264 | if(npt>1){ | |
265 | Float_t slope=(sumWEI*sumXY-sumY*sumX)/(sumWEI*sumXX-sumX*sumX); | |
266 | Float_t eslope=TMath::Sqrt(sumWEI/(sumWEI*sumXX-sumX*sumX)); | |
267 | vel=1./slope*10000./25.;// micron/ns | |
268 | evel=eslope/slope/slope*10000./25.;// micron/ns | |
269 | } | |
270 | if(npt==1){ | |
271 | Float_t slope=(sumY-tzero)/sumX; | |
272 | Float_t eslope=erry/sumX; | |
273 | vel=1./slope*10000./25.;// micron/ns | |
274 | evel=eslope/slope/slope*10000./25.;// micron/ns | |
275 | } | |
276 | if(vel>fMaxDriftVel||vel<fMinDriftVel){ | |
277 | vel=0.; | |
278 | evel=0.; | |
279 | } | |
280 | fDriftVel[jlin]=vel; | |
281 | fSigmaDriftVel[jlin]=evel; | |
282 | } | |
283 | //______________________________________________________________________ | |
beb262b4 | 284 | Int_t AliITSOnlineSDDInjectors::GetAnodeNumber(Int_t iInjLine) const{ |
285 | // | |
348f80b7 | 286 | Int_t ian=-1; |
287 | if(iInjLine>32) return ian; | |
288 | if(!fSide){ | |
289 | ian=iInjLine*8; | |
290 | if(iInjLine==32) ian--; | |
291 | }else{ | |
292 | ian=iInjLine*8-1; | |
293 | if(iInjLine==0) ian=0; | |
294 | } | |
295 | return ian; | |
296 | } | |
297 | ||
298 | //______________________________________________________________________ | |
299 | void AliITSOnlineSDDInjectors::FindGoodInjectors(){ | |
300 | // | |
301 | for(Int_t iii=0;iii<kNInjectors;iii++){ | |
302 | Int_t ian=GetAnodeNumber(iii); | |
303 | for(Int_t ninj=0;ninj<3;ninj++){ | |
304 | for(Int_t jjj=fTbMin[ninj];jjj<fTbMax[ninj];jjj++){ | |
305 | Float_t c1=fHisto->GetBinContent(jjj,ian+1); | |
306 | Float_t c2=fHisto->GetBinContent(jjj+1,ian+1); | |
307 | Float_t c3=fHisto->GetBinContent(jjj+2,ian+1); | |
308 | if(c1>fThreshold && c2>fThreshold && c3>fThreshold){ | |
309 | fGoodInj[iii][ninj]=1; | |
310 | break; | |
311 | } | |
312 | } | |
313 | // for(Int_t jjj=fTbMin[ninj];jjj<fTbMax[ninj];jjj++){ | |
314 | // Float_t c1=fHisto->GetBinContent(jjj,ian+1); | |
315 | // if(c1>=fgkSaturation){ | |
316 | // fGoodInj[iii][ninj]=0; | |
317 | // break; | |
318 | // } | |
319 | // } | |
320 | } | |
321 | } | |
322 | } | |
323 | //______________________________________________________________________ | |
324 | void AliITSOnlineSDDInjectors::FindCentroids(){ | |
325 | // | |
326 | for(Int_t iii=0;iii<kNInjectors;iii++){ | |
327 | Int_t ian=GetAnodeNumber(iii); | |
328 | for(Int_t ninj=0;ninj<3;ninj++){ | |
329 | if(!fGoodInj[iii][ninj]) continue; | |
330 | Float_t maxcont=0; | |
331 | Int_t ilmax=-1; | |
332 | for(Int_t jjj=fTbMin[ninj];jjj<fTbMax[ninj];jjj++){ | |
333 | Float_t cont=fHisto->GetBinContent(jjj,ian+1); | |
334 | if(cont>maxcont){ | |
335 | maxcont=cont; | |
336 | ilmax=jjj; | |
337 | } | |
338 | } | |
339 | Float_t intCont=0; | |
340 | Int_t jjj=ilmax; | |
341 | while(1){ | |
342 | Float_t cont=fHisto->GetBinContent(jjj,ian+1); | |
343 | if(cont<fThreshold) break; | |
344 | if(cont<fgkSaturation){ | |
345 | fCentroid[iii][ninj]+=cont*(Float_t)jjj; | |
346 | fRMSCentroid[iii][ninj]+=cont*TMath::Power((Float_t)jjj,2); | |
347 | intCont+=cont; | |
348 | } | |
349 | jjj--; | |
350 | } | |
351 | jjj=ilmax+1; | |
352 | while(1){ | |
353 | Float_t cont=fHisto->GetBinContent(jjj,ian+1); | |
354 | if(cont<fThreshold) break; | |
355 | if(cont<fgkSaturation){ | |
356 | fCentroid[iii][ninj]+=cont*float(jjj); | |
357 | fRMSCentroid[iii][ninj]+=cont*TMath::Power((Float_t)jjj,2); | |
358 | intCont+=cont; | |
359 | } | |
360 | jjj++; | |
361 | } | |
362 | if(intCont>0){ | |
363 | fCentroid[iii][ninj]/=intCont; | |
364 | fRMSCentroid[iii][ninj]=TMath::Sqrt(fRMSCentroid[iii][ninj]/intCont-fCentroid[iii][ninj]*fCentroid[iii][ninj]); | |
365 | } | |
366 | else{ | |
367 | fCentroid[iii][ninj]=0.; | |
368 | fRMSCentroid[iii][ninj]=0.; | |
369 | fGoodInj[iii][ninj]=0; | |
370 | } | |
4c82df4c | 371 | if(fRMSCentroid[iii][ninj]==0) fGoodInj[iii][ninj]=0; |
348f80b7 | 372 | } |
373 | } | |
374 | } | |
375 | //______________________________________________________________________ | |
376 | void AliITSOnlineSDDInjectors::PrintInjMap(){ | |
377 | // | |
378 | for(Int_t iii=0;iii<kNInjectors;iii++){ | |
379 | printf("Line%d-Anode%d: %d %d %d\n",iii,GetAnodeNumber(iii),fGoodInj[iii][0],fGoodInj[iii][1],fGoodInj[iii][2]); | |
380 | } | |
381 | } | |
382 | //______________________________________________________________________ | |
383 | void AliITSOnlineSDDInjectors::PrintCentroids(){ | |
384 | // | |
385 | for(Int_t iii=0;iii<kNInjectors;iii++){ | |
386 | printf("Line%d-Anode%d: %f+-%f %f+-%f %f+-%f\n",iii,GetAnodeNumber(iii),fCentroid[iii][0],fRMSCentroid[iii][0],fCentroid[iii][1],fRMSCentroid[iii][1],fCentroid[iii][2],fRMSCentroid[iii][2]); | |
387 | } | |
388 | } | |
389 | //______________________________________________________________________ | |
4c82df4c | 390 | void AliITSOnlineSDDInjectors::WriteToASCII(Int_t evNumb, UInt_t timeStamp, Int_t optAppend){ |
348f80b7 | 391 | // |
392 | Char_t outfilnam[100]; | |
393 | sprintf(outfilnam,"SDDinj_mod%03d_sid%d.data",fModuleId,fSide); | |
4c82df4c | 394 | FILE* outf; |
18da6e54 | 395 | if(optAppend==0){ |
396 | outf=fopen(outfilnam,"w"); | |
397 | fprintf(outf,"%d\n",fPolOrder); | |
398 | } | |
4c82df4c | 399 | else outf=fopen(outfilnam,"a"); |
400 | fprintf(outf,"%d %d ",evNumb,timeStamp); | |
348f80b7 | 401 | for(Int_t ic=0;ic<fPolOrder+1;ic++){ |
402 | fprintf(outf,"%G ",fParam[ic]); | |
403 | } | |
404 | fprintf(outf,"\n"); | |
405 | fclose(outf); | |
406 | } |