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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 <TFile.h>
16#include "AliITSOnlineSDDInjectors.h"
17#include "AliLog.h"
18#include <TH2F.h>
19#include <TF1.h>
20#include <TGraphErrors.h>
21#include <TMath.h>
22#include <TString.h>
23
24/* $Id$ */
25
26///////////////////////////////////////////////////////////////////
27// //
28// Implementation of the class used for SDD injector analysis //
29// Origin: F.Prino, Torino, prino@to.infn.it //
30// //
31///////////////////////////////////////////////////////////////////
32
33ClassImp(AliITSOnlineSDDInjectors)
34
35const Float_t AliITSOnlineSDDInjectors::fgkSaturation = 1008.;
36const Float_t AliITSOnlineSDDInjectors::fgkDefaultLThreshold1 = 8.;
37const Float_t AliITSOnlineSDDInjectors::fgkDefaultLThreshold = 15.;
38const Float_t AliITSOnlineSDDInjectors::fgkDefaultHThreshold1 =15.;
39const Float_t AliITSOnlineSDDInjectors::fgkDefaultHThreshold = 30.;
40const Float_t AliITSOnlineSDDInjectors::fgkDefaultMinSpeed = 5.5;
41const Float_t AliITSOnlineSDDInjectors::fgkDefaultMaxSpeed = 9.0;
42const Float_t AliITSOnlineSDDInjectors::fgkDefaultMaxErr = 1.5;
43const Int_t AliITSOnlineSDDInjectors::fgkDefaultPolDegree = 3;
44const Float_t AliITSOnlineSDDInjectors::fgkDefaultTimeStep = 50.;
45const UShort_t AliITSOnlineSDDInjectors::fgkDefaultTbMin[kInjLines] = {10,50,100};
46const UShort_t AliITSOnlineSDDInjectors::fgkDefaultTbMax[kInjLines] = {20,70,120};
47
48//______________________________________________________________________
49AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors():
50 AliITSOnlineSDD(),
51 fHisto(),
52 fTbZero(0.),
53 fRMSTbZero(0.),
54 fNEvents(0),
55 fParam(),
56 fPolDegree(0),
57 fActualPolDegree(0),
58 fMinDriftSpeed(0.),
59 fMaxDriftSpeed(0.),
60 fMaxDriftSpeedErr(0.),
61 fFirstPadForFit(0),
62 fLastPadForFit(0),
63 fPadStatusCutForFit(0),
64 fTimeStep(0.),
65 fUseTimeZeroSignal(kFALSE),
66 fMaxCellsAboveThreshold(40)
67{
68 // default constructor
69 SetPositions();
70 SetDefaults();
71 SetTimeStep(fgkDefaultTimeStep);
72 for(Int_t i=0;i<kInjPads;i++){
73 fSumDriftSpeed[i]=0.;
74 fSumSqDriftSpeed[i]=0.;
75 fSumPadStatus[i]=0;
76 fSumPadStatusCut[i]=0;
77 fNEventsInPad[i]=0;
78 }
79 Reset();
80}
81//______________________________________________________________________
82AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors(Int_t nddl, Int_t ncarlos, Int_t sid):
83 AliITSOnlineSDD(nddl,ncarlos,sid),
84 fHisto(),
85 fTbZero(0.),
86 fRMSTbZero(0.),
87 fNEvents(0),
88 fParam(),
89 fPolDegree(0),
90 fActualPolDegree(0),
91 fMinDriftSpeed(0.),
92 fMaxDriftSpeed(0.),
93 fMaxDriftSpeedErr(0.),
94 fFirstPadForFit(0),
95 fLastPadForFit(0),
96 fPadStatusCutForFit(0),
97 fTimeStep(0.),
98 fUseTimeZeroSignal(kFALSE),
99 fMaxCellsAboveThreshold(40)
100{
101// standard constructor
102 SetPositions();
103 SetDefaults();
104 SetTimeStep(fgkDefaultTimeStep);
105 for(Int_t i=0;i<kInjPads;i++){
106 fSumDriftSpeed[i]=0.;
107 fSumSqDriftSpeed[i]=0.;
108 fSumPadStatus[i]=0;
109 fSumPadStatusCut[i]=0;
110 fNEventsInPad[i]=0;
111 }
112 Reset();
113}
114//______________________________________________________________________
115AliITSOnlineSDDInjectors::~AliITSOnlineSDDInjectors(){
116 // Destructor
117 // fHisto should not be deleted here because it points to an histo created
118 // by the external code which calls the method AnalyzeEvent
119 // if(fHisto) delete fHisto;
120 if(fParam) delete [] fParam;
121}
122//______________________________________________________________________
123void AliITSOnlineSDDInjectors::SetDefaults(){
124 // Sets default values for parameters
125 for(Int_t i=0;i<kInjLines;i++) {
126 SetInjLineRange(i,fgkDefaultTbMin[i],fgkDefaultTbMax[i]);
127 SetUseLine(i,kTRUE);
128 SetThresholds(i,fgkDefaultLThreshold,fgkDefaultHThreshold);
129 }
130 SetThresholds(0,fgkDefaultLThreshold1,fgkDefaultHThreshold1);
131 SetPolDegree(fgkDefaultPolDegree);
132 SetMinDriftSpeed(fgkDefaultMinSpeed);
133 SetMaxDriftSpeed(fgkDefaultMaxSpeed);
134 SetMaxDriftSpeedErr(fgkDefaultMaxErr);
135 SetFitLimits(1,kInjPads-2); // exclude first and last pad
136 SetPadStatusCutForFit();
137}
138//______________________________________________________________________
139void AliITSOnlineSDDInjectors::Set20MHzConfig(){
140 // Sets specific parameters for 20 MHz running
141 SetInjLineRange(0,10,20);
142 SetInjLineRange(1,50,70);
143 SetInjLineRange(2,100,120);
144 SetTimeStep(50.);
145 SetMaxNumberOfCellsPerAnode(40);
146}
147//______________________________________________________________________
148void AliITSOnlineSDDInjectors::Set40MHzConfig(){
149 // Sets specific parameters for 20 MHz running
150 SetInjLineRange(0,20,50);
151 SetInjLineRange(1,90,160);
152 SetInjLineRange(2,170,240);
153 SetTimeStep(25.);
154 SetMaxNumberOfCellsPerAnode(80);
155}
156//______________________________________________________________________
157void AliITSOnlineSDDInjectors::SetPositions(){
158 // Sets drift distances for the 3 injector lines
159 Double_t xLinFromCenterUm[kInjLines]={31860.,17460.,660.};
160 Double_t xAnodeFromCenterUm=35085;
161 for(Int_t i=0;i<kInjLines;i++){
162 fPosition[i]=xAnodeFromCenterUm-xLinFromCenterUm[i];
163 fPosition[i]/=10000.; // from microns to cm
164 }
165}
166//______________________________________________________________________
167void AliITSOnlineSDDInjectors::Reset(){
168 // Resets all counters
169 for(Int_t i=0;i<kInjPads;i++){
170 fDriftSpeed[i]=0.;
171 fDriftSpeedErr[i]=0.;
172 }
173 for(Int_t i=0;i<kInjPads;i++){
174 for(Int_t j=0;j<kInjLines;j++){
175 fGoodInj[i][j]=0;
176 fCentroid[i][j]=0.;
177 fRMSCentroid[i][j]=0.;
178 }
179 }
180}
181//______________________________________________________________________
182void AliITSOnlineSDDInjectors::AnalyzeEvent(TH2F* his){
183 // Analyze the current event
184 AddEvent(his);
185 FitDriftSpeedVsAnode();
186}
187//______________________________________________________________________
188void AliITSOnlineSDDInjectors::AddEvent(TH2F* his){
189 // Add the drift speed from current event to the average value
190 if(fNEvents==0){
191 for(Int_t i=0;i<kInjPads;i++){
192 fSumDriftSpeed[i]=0.;
193 fSumSqDriftSpeed[i]=0.;
194 fSumPadStatus[i]=0;
195 fSumPadStatusCut[i]=0;
196 fNEventsInPad[i]=0;
197 }
198 }
199 Reset();
200 fHisto=his;
201 FindGoodInjectors();
202 FindCentroids();
203 CalcTimeBinZero();
204 for(Int_t j=0;j<kInjPads;j++){
205 CalcDriftSpeed(j);
206 Int_t padStatus=GetInjPadStatus(j);
207 fSumPadStatus[j]+=padStatus;
208 if(padStatus>fPadStatusCutForFit){
209 fSumDriftSpeed[j]+=fDriftSpeed[j];
210 fSumSqDriftSpeed[j]+=fDriftSpeed[j]*fDriftSpeed[j];
211 fSumPadStatusCut[j]+=padStatus;
212 fNEventsInPad[j]++;
213 }
214 }
215 ++fNEvents;
216}
217//______________________________________________________________________
218Double_t AliITSOnlineSDDInjectors::GetRMSDriftSpeed(Int_t ipad) const {
219 // Compute RMS of drift speed distribution on one anode
220 if(fNEventsInPad[ipad]<=1) return 0.;
221 Double_t mean=fSumDriftSpeed[ipad]/(Double_t)fNEventsInPad[ipad];
222 Double_t diff=fSumSqDriftSpeed[ipad]/(Double_t)fNEventsInPad[ipad]-mean*mean;
223 if(diff<0.) diff=0.;
224 return TMath::Sqrt(diff);
225}
226
227//______________________________________________________________________
228void AliITSOnlineSDDInjectors::FitMeanDriftSpeedVsAnode(){
229 // Fits the average drift speed vs.anode number
230 if(fNEvents==0) return;
231 for(Int_t i=0;i<kInjPads;i++){
232 fDriftSpeed[i]=GetMeanDriftSpeed(i);
233 Int_t padStatusCut=(Int_t)(GetMeanPadStatusCut(i)+0.5);
234 for(Int_t ilin=0; ilin<kInjLines ; ilin++) fGoodInj[i][ilin]=(padStatusCut&1<<ilin)>>ilin;
235 if(fNEventsInPad[i]>1){
236 Double_t rms=GetRMSDriftSpeed(i);
237 if(rms>0.) fDriftSpeedErr[i]=rms/TMath::Sqrt(fNEventsInPad[i]);
238 }else{
239 for(Int_t ilin=0; ilin<kInjLines ; ilin++) fGoodInj[i][ilin]=0;
240 }
241 }
242 FitDriftSpeedVsAnode();
243 for(Int_t i=0;i<kInjPads;i++){
244 Int_t padStatus=(Int_t)(GetMeanPadStatusCut(i)+0.5);
245 for(Int_t ilin=0; ilin<kInjLines ; ilin++) fGoodInj[i][ilin]=(padStatus&1<<ilin)>>ilin;
246 }
247}
248//______________________________________________________________________
249TGraphErrors* AliITSOnlineSDDInjectors::GetTimeVsDistGraph(Int_t jpad) const{
250 // Builds the graph of drift time vs. drift distance
251 const Int_t kPts=kInjLines+1;
252 Float_t x[kPts],y[kPts],ex[kPts],ey[kPts];
253 x[0]=0.;
254 ex[0]=0.;
255 y[0]=fTbZero;
256 ey[0]=0.;
257 for(Int_t i=0;i<kInjLines;i++){
258 x[i+1]=fPosition[i];
259 ex[i+1]=0.;
260 y[i+1]=fCentroid[jpad][i];
261 ey[i+1]=fRMSCentroid[jpad][i];
262 }
263 TGraphErrors *g=new TGraphErrors(4,x,y,ex,ey);
264 return g;
265}
266
267//______________________________________________________________________
268TGraphErrors* AliITSOnlineSDDInjectors::GetDriftSpeedGraph() const{
269 // Builds the graph of drift speed vs. anode number
270 Int_t ipt=0;
271 TGraphErrors *g=new TGraphErrors(0);
272 for(Int_t i=0;i<kInjPads;i++){
273 if(fDriftSpeed[i]>0){
274 g->SetPoint(ipt,GetAnodeNumber(i),fDriftSpeed[i]);
275 g->SetPointError(ipt,0,fDriftSpeedErr[i]);
276 ipt++;
277 }
278 }
279 return g;
280}
281//______________________________________________________________________
282TGraphErrors* AliITSOnlineSDDInjectors::GetSelectedDriftSpeedGraph(Int_t minAcceptStatus) const{
283 // TGraphErrors with only pads with status of injector >= minAcceptStatus
284 Int_t ipt=0;
285 TGraphErrors *g=new TGraphErrors(0);
286 for(Int_t i=0;i<kInjPads;i++){
287 Int_t padStatus = GetInjPadStatus(i);
288 if(fDriftSpeed[i]>0 && padStatus >= minAcceptStatus ){
289 g->SetPoint(ipt,GetAnodeNumber(i),fDriftSpeed[i]);
290 g->SetPointError(ipt,0,fDriftSpeedErr[i]);
291 ipt++;
292 }
293 }
294 return g;
295}
296//______________________________________________________________________
297void AliITSOnlineSDDInjectors::CalcTimeBinZero(){
298 // Get time zero from trigger signal
299 Double_t tzero=0.,intCont=0.,rmsPeak=0.;
300 Bool_t isTbUsed[256];
301 Int_t nTbUsed=0;
302 for(Int_t i=0;i<256;i++) isTbUsed[i]=0;
303 for(Int_t ian=0;ian<fgkNAnodes;ian++){
304 for(Int_t itb=1;itb<fTbMin[0];itb++){
305 Double_t cont=fHisto->GetBinContent(itb,ian+1);
306 Double_t contm1=fHisto->GetBinContent(itb+1,ian+1);
307 Double_t contp1=fHisto->GetBinContent(itb-1,ian+1);
308 if(cont>fLowThreshold[0]){
309 if(cont>fHighThreshold[0] &&(contm1>fLowThreshold[0] || contp1>fLowThreshold[0])){
310 tzero+=cont*float(itb);
311 rmsPeak+=cont*float(itb)*float(itb);
312 intCont+=cont;
313 if(!isTbUsed[itb]){
314 isTbUsed[itb]=1;
315 ++nTbUsed;
316 }
317 }
318 }
319 }
320 }
321 if(intCont>0){
322 fTbZero=tzero/intCont;
323 fRMSTbZero=TMath::Sqrt(rmsPeak/intCont-fTbZero*fTbZero);
324 }
325 if(nTbUsed==1) fRMSTbZero=0.5;
326}
327
328//______________________________________________________________________
329void AliITSOnlineSDDInjectors::FitDriftSpeedVsAnode(){
330 // fits the anode dependence of drift speed
331
332 Float_t rangeForMax[2]={78.,178.};
333 PolyFit(fPolDegree);
334 fActualPolDegree=fPolDegree;
335 if(fPolDegree==3){
336 Double_t deltasq=fParam[2]*fParam[2]-3*fParam[1]*fParam[3];
337 Double_t zero1=-999.;
338 Double_t zero2=-999.;
339 if(deltasq>=0. && TMath::Abs(fParam[3])>0.){
340 Double_t delta=TMath::Sqrt(deltasq);
341 zero1=(-fParam[2]+delta)/3./fParam[3];
342 zero2=(-fParam[2]-delta)/3./fParam[3];
343 }
344 Bool_t twoZeroes=kFALSE;
345 Bool_t oneZero=kFALSE;
346 if(zero1>0. && zero1<256. && zero2>0. && zero2<256.) twoZeroes=kTRUE;
347 if(zero1>rangeForMax[0] && zero1<rangeForMax[1]) oneZero=kTRUE;
348 if(zero2>rangeForMax[0] && zero2<rangeForMax[1]) oneZero=kTRUE;
349 if(!oneZero || twoZeroes){
350 PolyFit(2);
351 Double_t xmax=-999.;
352 if(fParam[2]<0.) xmax=-fParam[1]/2./fParam[2];
353 if(xmax>rangeForMax[0] && xmax<rangeForMax[1]){
354 fActualPolDegree=2;
355 }else{
356 Double_t averSpeed=0.;
357 Double_t sumWei=0.;
358 Int_t nUsedPts=0;
359 for(Int_t jpad=fFirstPadForFit; jpad<=fLastPadForFit; jpad++){
360 if(fDriftSpeed[jpad]>0 && GetInjPadStatus(jpad)>fPadStatusCutForFit){
361 Double_t wei=1./fDriftSpeedErr[jpad]/fDriftSpeedErr[jpad];
362 averSpeed+=wei*fDriftSpeed[jpad];
363 sumWei+=wei;
364 nUsedPts++;
365 }
366 }
367 if(sumWei>0.) averSpeed/=sumWei;
368 if(nUsedPts<fPolDegree+1) averSpeed=0;
369 fParam[0]=averSpeed;
370 for(Int_t i=1; i < fPolDegree+1; i++) fParam[i]=0.;
371 fActualPolDegree=0;
372 }
373 }
374 }
375}
376//______________________________________________________________________
377void AliITSOnlineSDDInjectors::PolyFit(Int_t degree){
378 // fits the anode dependence of drift speed with a polynomial function
379 const Int_t kNn=degree+1;
380 const Int_t kDimens=fPolDegree+1;
381
382 Double_t **mat = new Double_t*[kNn];
383 for(Int_t i=0; i < kNn; i++) mat[i] = new Double_t[kNn];
384 Double_t *vect = new Double_t[kNn];
385
386 for(Int_t k1=0;k1<kNn;k1++){
387 vect[k1]=0;
388 for(Int_t k2=0;k2<kNn;k2++){
389 mat[k1][k2]=0;
390 }
391 }
392 Int_t npts = 0;
393 for(Int_t k1=0;k1<kNn;k1++){
394 for(Int_t jpad=fFirstPadForFit; jpad<=fLastPadForFit; jpad++){
395 Double_t x=(Double_t)GetAnodeNumber(jpad);
396 if(fDriftSpeed[jpad]>0 && GetInjPadStatus(jpad)>fPadStatusCutForFit){
397 vect[k1]+=fDriftSpeed[jpad]*TMath::Power(x,k1)/TMath::Power(fDriftSpeedErr[jpad],2);
398 if(k1==0) npts++;
399 for(Int_t k2=0;k2<kNn;k2++){
400 mat[k1][k2]+=TMath::Power(x,k1+k2)/TMath::Power(fDriftSpeedErr[jpad],2);
401 }
402 }
403 }
404 }
405 if(npts<fPolDegree+1){
406 if(fParam) delete [] fParam;
407 fParam=new Double_t[kDimens];
408 for(Int_t i=0; i<kDimens;i++)fParam[i]=0;
409 }else{
410 Int_t *iPivot = new Int_t[kNn];
411 Int_t *indxR = new Int_t[kNn];
412 Int_t *indxC = new Int_t[kNn];
413 for(Int_t i=0;i<kNn;i++) iPivot[i]=0;
414 Int_t iCol=-1,iRow=-1;
415 for(Int_t i=0;i<kNn;i++){
416 Double_t big=0.;
417 for(Int_t j=0;j<kNn;j++){
418 if(iPivot[j]!=1){
419 for(Int_t k=0;k<kNn;k++){
420 if(iPivot[k]==0){
421 if(TMath::Abs(mat[j][k])>=big){
422 big=TMath::Abs(mat[j][k]);
423 iRow=j;
424 iCol=k;
425 }
426 }
427 }
428 }
429 }
430 iPivot[iCol]++;
431 Double_t aux;
432 if(iRow!=iCol){
433 for(Int_t l=0;l<kNn;l++){
434 aux=mat[iRow][l];
435 mat[iRow][l]=mat[iCol][l];
436 mat[iCol][l]=aux;
437 }
438 aux=vect[iRow];
439 vect[iRow]=vect[iCol];
440 vect[iCol]=aux;
441 }
442 indxR[i]=iRow;
443 indxC[i]=iCol;
444 if(mat[iCol][iCol]==0) break;
445 Double_t pivinv=1./mat[iCol][iCol];
446 mat[iCol][iCol]=1;
447 for(Int_t l=0;l<kNn;l++) mat[iCol][l]*=pivinv;
448 vect[iCol]*=pivinv;
449 for(Int_t m=0;m<kNn;m++){
450 if(m!=iCol){
451 aux=mat[m][iCol];
452 mat[m][iCol]=0;
453 for(Int_t n=0;n<kNn;n++) mat[m][n]-=mat[iCol][n]*aux;
454 vect[m]-=vect[iCol]*aux;
455 }
456 }
457 }
458 delete [] iPivot;
459 delete [] indxR;
460 delete [] indxC;
461
462
463 if(fParam) delete [] fParam;
464 fParam=new Double_t[kDimens];
465 for(Int_t i=0; i<kNn;i++)fParam[i]=vect[i];
466 if(degree<fPolDegree) for(Int_t i=kNn; i<kDimens;i++)fParam[i]=0.;
467 }
468
469 for(Int_t i=0; i < kNn; i++) delete [] mat[i];
470 delete [] mat;
471 delete [] vect;
472}
473//______________________________________________________________________
474void AliITSOnlineSDDInjectors::CalcDriftSpeed(Int_t jpad){
475 // Computes the drift speed from the fit to the 3 injector lines for each anode
476 Double_t sumY=0,sumX=0,sumXX=0,sumYY=0.,sumXY=0,sumWEI=0.;
477 Int_t npt=0;
478 Double_t y[kInjLines],ey[kInjLines];
479 Double_t tzero=0,erry=0;
480 for(Int_t i=0;i<kInjLines;i++){
481 y[i]=fCentroid[jpad][i];
482 ey[i]=fRMSCentroid[jpad][i];
483 }
484 for(Int_t i=0;i<kInjLines;i++){
485 if(!fUseLine[i]) continue;
486 if(fGoodInj[jpad][i] && ey[i]!=0){
487 sumY+=y[i]/ey[i]/ey[i];
488 sumX+=fPosition[i]/ey[i]/ey[i];
489 sumXX+=fPosition[i]*fPosition[i]/ey[i]/ey[i];
490 sumYY+=y[i]*y[i]/ey[i]/ey[i];
491 sumXY+=fPosition[i]*y[i]/ey[i]/ey[i];
492 sumWEI+=1./ey[i]/ey[i];
493 tzero=fTbZero/ey[i]/ey[i];
494 erry=ey[i]/ey[i]/ey[i];
495 npt++;
496 }
497 }
498 Double_t slope=0.,eslope=0.;
499 if(npt==1){
500 slope=(sumY-tzero)/sumX;
501 eslope=erry/sumX;
502 }
503 if(npt>1){
504 if(fUseTimeZeroSignal){
505 sumY+=fTbZero/fRMSTbZero/fRMSTbZero;
506 sumX+=0.;
507 sumXX+=0.;
508 sumYY+=fTbZero*fTbZero/fRMSTbZero/fRMSTbZero;
509 sumXY+=0.;
510 sumWEI+=1./fRMSTbZero/fRMSTbZero;
511 }
512 slope=(sumWEI*sumXY-sumY*sumX)/(sumWEI*sumXX-sumX*sumX);
513 eslope=TMath::Sqrt(sumWEI/(sumWEI*sumXX-sumX*sumX));
514 }
515
516 Double_t vel=0,evel=0;
517 if(slope!=0. && fTimeStep>0.){
518 vel=1./slope*10000./fTimeStep;// micron/ns
519 evel=eslope/slope/slope*10000./fTimeStep;// micron/ns
520 }
521 if(vel>fMaxDriftSpeed||vel<fMinDriftSpeed || evel>fMaxDriftSpeedErr){
522 vel=0.;
523 evel=0.;
524 }
525 fDriftSpeed[jpad]=vel;
526 fDriftSpeedErr[jpad]=evel;
527}
528//______________________________________________________________________
529Int_t AliITSOnlineSDDInjectors::GetAnodeNumber(Int_t iInjPad) const{
530 // Injectors location along anodes:
531 // Side left (UP) - channel 0: injectors on anodes 0,7,15,...,247,255
532 // Side right (DOWN) - channel 1: injectors on anodes 0,8,16,...,248,255
533 Int_t ian=-1;
534 if(iInjPad>=kInjPads) return ian;
535 if(fSide==1){ // right side
536 ian=iInjPad*8;
537 if(iInjPad==32) ian--;
538 }else{ // left side
539 ian=iInjPad*8-1;
540 if(iInjPad==0) ian=0;
541 }
542 return ian;
543}
544//______________________________________________________________________
545Int_t AliITSOnlineSDDInjectors::GetInjPadNumberFromAnode(Int_t nAnode) const{
546 // Converts anode number into injector pad index
547 Int_t iInjPad=-1;
548 if(fSide==1){ // right side
549 if(nAnode%8==0) iInjPad=nAnode/8;
550 if(nAnode==255) iInjPad=32;
551 }else{ // left side
552 if(nAnode%8==7) iInjPad=1+nAnode/8;
553 if(nAnode==0) iInjPad=0;
554 }
555 if(nAnode>=256) iInjPad=-1;
556 return iInjPad;
557}
558//______________________________________________________________________
559Int_t AliITSOnlineSDDInjectors::GetInjPadStatus(Int_t jpad) const{
560 // returns an integer value with status of injector lines for given pad/anode
561 // status=7 --> 111 all injector are good
562 // status=6 --> 110 1st line (close to anodes) is bad, other two are good
563 // ....
564 // status=1 --> 001 only 1st line (close to anodes) good
565 // status=0 --> 000 all lines are bad
566 Int_t istatus=0;
567 if(jpad>=0 && jpad<kInjPads){
568 for(Int_t jlin=0;jlin<kInjLines;jlin++) istatus+=fGoodInj[jpad][jlin]<<jlin;
569 }
570 return istatus;
571}
572//______________________________________________________________________
573void AliITSOnlineSDDInjectors::FindGoodInjectors(){
574 // Mark good injector pads
575 // good = 1 cell above high threshold + 1 neighbour above low threshold
576 for(Int_t jpad=0;jpad<kInjPads;jpad++){
577 Int_t ian=GetAnodeNumber(jpad);
578 Int_t countAbove=0;
579 for(Int_t jjj=0; jjj<fHisto->GetNbinsX(); jjj++){
580 Float_t c=fHisto->GetBinContent(jjj+1,ian+1);
581 if(c>0.5) countAbove++;
582 }
583 if(countAbove>fMaxCellsAboveThreshold){
584 for(Int_t jlin=0;jlin<kInjLines;jlin++) fGoodInj[jpad][jlin]=0;
585 }else{
586 for(Int_t jlin=0;jlin<kInjLines;jlin++){
587 for(Int_t jjj=fTbMin[jlin];jjj<fTbMax[jlin];jjj++){
588 Float_t c1=fHisto->GetBinContent(jjj,ian+1);
589 Float_t c2=fHisto->GetBinContent(jjj+1,ian+1);
590 // Float_t c3=fHisto->GetBinContent(jjj+2,ian+1);
591 if(c1>fLowThreshold[jlin] && c2>fLowThreshold[jlin]){
592 if(c1>fHighThreshold[jlin] || c2>fHighThreshold[jlin]){
593 fGoodInj[jpad][jlin]=1;
594 break;
595 }
596 }
597 }
598 }
599 }
600 }
601}
602//______________________________________________________________________
603void AliITSOnlineSDDInjectors::FindCentroids(){
604 // Computes the centroids (weighted mean) of teh injector pads
605 for(Int_t jpad=0;jpad<kInjPads;jpad++){
606 Int_t ian=GetAnodeNumber(jpad);
607 for(Int_t jlin=0;jlin<kInjLines;jlin++){
608 if(!fGoodInj[jpad][jlin]) continue;
609 Double_t maxcont=0;
610 Int_t ilmax=-1;
611 for(Int_t jjj=fTbMin[jlin];jjj<fTbMax[jlin];jjj++){
612 Double_t cont=fHisto->GetBinContent(jjj,ian+1);
613 if(cont>maxcont){
614 maxcont=cont;
615 ilmax=jjj;
616 }
617 }
618 Double_t intCont=0;
619 Int_t jjj=ilmax;
620 while(1){
621 Double_t cont=fHisto->GetBinContent(jjj,ian+1);
622 if(cont<fLowThreshold[jlin]) break;
623 if(cont<fgkSaturation){
624 fCentroid[jpad][jlin]+=cont*(Double_t)jjj;
625 fRMSCentroid[jpad][jlin]+=cont*(Double_t)jjj*(Double_t)jjj;
626 intCont+=cont;
627 }
628 jjj--;
629 }
630 jjj=ilmax+1;
631 while(1){
632 Double_t cont=fHisto->GetBinContent(jjj,ian+1);
633 if(cont<fLowThreshold[jlin]) break;
634 if(cont<fgkSaturation){
635 fCentroid[jpad][jlin]+=cont*float(jjj);
636 fRMSCentroid[jpad][jlin]+=cont*(Double_t)jjj*(Double_t)jjj;
637 intCont+=cont;
638 }
639 jjj++;
640 }
641 if(intCont>0){
642 fCentroid[jpad][jlin]/=intCont;
643 fRMSCentroid[jpad][jlin]=TMath::Sqrt(fRMSCentroid[jpad][jlin]/intCont-fCentroid[jpad][jlin]*fCentroid[jpad][jlin])/TMath::Sqrt(intCont);
644 }
645 else{
646 fCentroid[jpad][jlin]=0.;
647 fRMSCentroid[jpad][jlin]=0.;
648 fGoodInj[jpad][jlin]=0;
649 }
650 if(fRMSCentroid[jpad][jlin]==0) fGoodInj[jpad][jlin]=0;
651 }
652 }
653}
654//______________________________________________________________________
655void AliITSOnlineSDDInjectors::PrintInjectorStatus(){
656 // Dumps the status bit of injector pads
657 for(Int_t jpad=0;jpad<kInjPads;jpad++){
658 printf("Line%d-Anode%d: %d %d %d\n",jpad,GetAnodeNumber(jpad),fGoodInj[jpad][0],fGoodInj[jpad][1],fGoodInj[jpad][2]);
659 }
660}
661//______________________________________________________________________
662void AliITSOnlineSDDInjectors::PrintCentroids(){
663 // Dumps the drift time centroids of injector pads
664 for(Int_t jpad=0;jpad<kInjPads;jpad++){
665 printf("Line%d-Anode%d: %f+-%f %f+-%f %f+-%f\n",jpad,GetAnodeNumber(jpad),fCentroid[jpad][0],fRMSCentroid[jpad][0],fCentroid[jpad][1],fRMSCentroid[jpad][1],fCentroid[jpad][2],fRMSCentroid[jpad][2]);
666 }
667}
668//______________________________________________________________________
669void AliITSOnlineSDDInjectors::WriteToASCII(Int_t evNumb, UInt_t timeStamp, Int_t optAppend){
670 // writes drift speed vs. anode fit parameters into an ASCII file
671 // to be sent to FXS by the DA and processed by the SHUTTLE
672
673 TString outfilnam;
674 outfilnam.Form("SDDinj_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
675 FILE* outf;
676 if(optAppend==0){
677 outf=fopen(outfilnam.Data(),"w");
678 fprintf(outf,"%d\n",fActualPolDegree);
679 }
680 else outf=fopen(outfilnam.Data(),"a");
681 fprintf(outf,"%d %d ",evNumb,timeStamp);
682 for(Int_t ic=0;ic<fPolDegree+1;ic++){
683 fprintf(outf,"%G ",fParam[ic]);
684 }
685 fprintf(outf,"\n");
686 fclose(outf);
687}
688//______________________________________________________________________
689TH1F* AliITSOnlineSDDInjectors::GetMeanDriftSpeedVsPadHisto() const{
690 // Builds histogram of average drift speed vs. pad number
691 TString hisnam;
692 hisnam.Form("hdrsp%02dc%02ds%d",fDDL,fCarlos,fSide);
693 TH1F* h=new TH1F(hisnam.Data(),"",kInjPads,-0.5,kInjPads-0.5);
694 if(fNEvents>0){
695 for(Int_t i=0;i<kInjPads;i++){
696 h->SetBinContent(i+1,GetMeanDriftSpeed(i));
697 Double_t rms=GetRMSDriftSpeed(i);
698 Double_t err=0.;
699 if(rms>0.) err=rms/TMath::Sqrt(fNEventsInPad[i]);
700 h->SetBinError(i+1,err);
701 }
702 }
703 return h;
704}
705//______________________________________________________________________
706Bool_t AliITSOnlineSDDInjectors::WriteToROOT(TFile *fil) const {
707 // Writes the output histograms into a root file
708 if(fil==0){
709 AliWarning("Invalid pointer to ROOT file");
710 return kFALSE;
711 }
712 TString hisnam;
713 fil->cd();
714 hisnam.Form("hdrsp%02dc%02ds%d",fDDL,fCarlos,fSide);
715 TH1F hdsp(hisnam.Data(),"",kInjPads,-0.5,kInjPads-0.5);
716 if(fNEvents==0){
717 AliWarning("Zero analyzed events");
718 return kFALSE;
719 }
720
721 for(Int_t i=0;i<kInjPads;i++){
722 hdsp.SetBinContent(i+1,GetMeanDriftSpeed(i));
723 Double_t rms=GetRMSDriftSpeed(i);
724 Double_t err=0.;
725 if(rms>0.) err=rms/TMath::Sqrt(fNEventsInPad[i]);
726 hdsp.SetBinError(i+1,err);
727 }
728 hdsp.Write();
729 return kTRUE;
730}
731//______________________________________________________________________
732void AliITSOnlineSDDInjectors::WriteInjectorStatusToASCII(){
733 // dump status of injectors encoded into UInt_t
734 // 5 bits (value 0-31) to store number of pads with given status
735 TString outfilnam;
736 outfilnam.Form("SDDinj_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
737 FILE* outf=fopen(outfilnam.Data(),"a");
738 Int_t n[8]={0,0,0,0,0,0,0,0};
739 for(Int_t jpad=fFirstPadForFit; jpad<=fLastPadForFit; jpad++){
740 Int_t statusPad=GetInjPadStatus(jpad);
741 ++n[statusPad];
742 }
743 UInt_t statusInj=0;
744 statusInj+=(n[7]&0x1F)<<25; // bits 25-29: n. of pads with status 7
745 statusInj+=(n[6]&0x1F)<<20; // bits 20-24: n. of pads with status 6
746 statusInj+=(n[5]&0x1F)<<15; // bits 15-19: n. of pads with status 5
747 statusInj+=(n[4]&0x1F)<<10; // bits 10-14: n. of pads with status 4
748 statusInj+=(n[3]&0x1F)<<5; // bits 5- 9: n. of pads with status 3
749 statusInj+=(n[2]&0x1F); // bits 0- 4: n. of pads with status 2
750
751 fprintf(outf,"-99 %u\n",statusInj); // -99 used in preprocessor to find line
752 // with injector status info
753 fclose(outf);
754
755}