[u/mrichter/AliRoot.git] / ITS / AliITSOnlineSDDInjectors.cxx

/**************************************************************************
 * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/
#include "AliITSOnlineSDDInjectors.h"
#include <TH2F.h>
#include <TGraphErrors.h>
#include <TMath.h>

/* $Id$ */

///////////////////////////////////////////////////////////////////
//                                                               //
// Implementation of the class used for SDD injector analysis    //
// Origin: F.Prino, Torino, prino@to.infn.it                     //
//                                                               //
///////////////////////////////////////////////////////////////////

ClassImp(AliITSOnlineSDDInjectors)

const Float_t AliITSOnlineSDDInjectors::fgkSaturation = 1008.;
const Float_t AliITSOnlineSDDInjectors::fgkDefaultLThreshold = 5.;
const Float_t AliITSOnlineSDDInjectors::fgkDefaultHThreshold = 25.;
const Float_t AliITSOnlineSDDInjectors::fgkDefaultMinSpeed = 5.5;
const Float_t AliITSOnlineSDDInjectors::fgkDefaultMaxSpeed = 9.0;
const Float_t AliITSOnlineSDDInjectors::fgkDefaultMaxErr = 1.5;
const Int_t   AliITSOnlineSDDInjectors::fgkDefaultPolOrder = 3;
const UShort_t AliITSOnlineSDDInjectors::fgkDefaultTbMin[kInjLines] = {20,90,170};
const UShort_t AliITSOnlineSDDInjectors::fgkDefaultTbMax[kInjLines] = {50,160,240};

//______________________________________________________________________
AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors():AliITSOnlineSDD(),fHisto(),fTbZero(0.),fParam(),fPolOrder(0),fMinDriftSpeed(0.),fMaxDriftSpeed(0.),fMaxDriftSpeedErr(0.),fLowThreshold(0.),fHighThreshold(0.),fFirstPadForFit(0),fLastPadForFit(0),fPadStatusCutForFit(0)
{
  // default constructor
  SetPositions();
  SetDefaults();
}
//______________________________________________________________________
AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors(Int_t nddl, Int_t ncarlos, Int_t sid):AliITSOnlineSDD(nddl,ncarlos,sid),fHisto(),fTbZero(0.),fParam(),fPolOrder(0),fMinDriftSpeed(0.),fMaxDriftSpeed(0.),fMaxDriftSpeedErr(0.),fLowThreshold(0.),fHighThreshold(0.),fFirstPadForFit(0),fLastPadForFit(0),fPadStatusCutForFit(0)
{ 
// standard constructor
  SetPositions();
  SetDefaults();
}
//______________________________________________________________________
AliITSOnlineSDDInjectors::~AliITSOnlineSDDInjectors(){
  // Destructor
  // fHisto should not be deleted here because it points to an histo created 
  // by the external code which calls the method AnalyzeEvent
  // if(fHisto) delete fHisto;  
  if(fParam) delete [] fParam;
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::SetDefaults(){
  for(Int_t i=0;i<kInjLines;i++) 
    SetInjLineRange(i,fgkDefaultTbMin[i],fgkDefaultTbMax[i]);
  SetThresholds(fgkDefaultLThreshold,fgkDefaultHThreshold);
  SetPolOrder(fgkDefaultPolOrder);
  SetMinDriftSpeed(fgkDefaultMinSpeed);
  SetMaxDriftSpeed(fgkDefaultMaxSpeed);
  SetMaxDriftSpeedErr(fgkDefaultMaxErr);
  SetFitLimits(1,kInjPads-2); // exclude first and last pad
  SetPadStatusCutForFit();
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::SetPositions(){
  // 
  Float_t xLinFromCenterUm[kInjLines]={31860.,17460.,660.};
  Float_t xAnodeFromCenterUm=35085;
  for(Int_t i=0;i<kInjLines;i++){
    fPosition[i]=xAnodeFromCenterUm-xLinFromCenterUm[i];
    fPosition[i]/=10000.; // from microns to cm
  }
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::Reset(){
  //
  for(Int_t i=0;i<kInjPads;i++){ 
    fDriftSpeed[i]=0.;
    fDriftSpeedErr[i]=0.;
  }
  for(Int_t i=0;i<kInjPads;i++){
    for(Int_t j=0;j<kInjLines;j++){
      fGoodInj[i][j]=0;
      fCentroid[i][j]=0.;
      fRMSCentroid[i][j]=0.;
    }
  }
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::AnalyzeEvent(TH2F* his){
  //
  Reset();
  fHisto=his;
  FindGoodInjectors();
  FindCentroids();
  CalcTimeBinZero();
  for(Int_t j=0;j<kInjPads;j++) CalcDriftSpeed(j);
  FitDriftSpeedVsAnode();
}
//______________________________________________________________________
TGraphErrors* AliITSOnlineSDDInjectors::GetTimeVsDistGraph(Int_t jpad) const{
  // 
  const Int_t kPts=kInjLines+1;
  Float_t x[kPts],y[kPts],ex[kPts],ey[kPts];
  x[0]=0.;
  ex[0]=0.;
  y[0]=fTbZero;
  ey[0]=0.;
  for(Int_t i=0;i<kInjLines;i++){
    x[i+1]=fPosition[i];
    ex[i+1]=0.;
    y[i+1]=fCentroid[jpad][i];
    ey[i+1]=fRMSCentroid[jpad][i];
  }
  TGraphErrors *g=new TGraphErrors(4,x,y,ex,ey);
  return g;
}

//______________________________________________________________________
TGraphErrors* AliITSOnlineSDDInjectors::GetDriftSpeedGraph() const{
  // 
  Int_t ipt=0;
  TGraphErrors *g=new TGraphErrors(0);
  for(Int_t i=0;i<kInjPads;i++){
    if(fDriftSpeed[i]>0){ 
      g->SetPoint(ipt,GetAnodeNumber(i),fDriftSpeed[i]);
      g->SetPointError(ipt,0,fDriftSpeedErr[i]);
      ipt++;
    }
  }
  return g;
}
//______________________________________________________________________
TGraphErrors* AliITSOnlineSDDInjectors::GetSelectedDriftSpeedGraph(Int_t minAcceptStatus) const{
  // TGraphErrors with only pads with status of injector >= minAcceptStatus
  Int_t ipt=0;
  TGraphErrors *g=new TGraphErrors(0);
  for(Int_t i=0;i<kInjPads;i++){
    Int_t padStatus = GetInjPadStatus(i);
    if(fDriftSpeed[i]>0 && padStatus >= minAcceptStatus ){
      g->SetPoint(ipt,GetAnodeNumber(i),fDriftSpeed[i]);
      g->SetPointError(ipt,0,fDriftSpeedErr[i]);
      ipt++;
    }
  }
  return g;
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::CalcTimeBinZero(){
  //
  Float_t tzero=0.,intCont=0.;
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    for(Int_t itb=1;itb<fTbMin[0];itb++){
      Float_t cont=fHisto->GetBinContent(itb,ian+1);
      if(cont>fLowThreshold){
	tzero+=cont*float(itb);
	intCont+=cont;
      }
    }
  }
  if(intCont>0) fTbZero=tzero/intCont;
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::FitDriftSpeedVsAnode(){
  // fits the anode dependence of drift speed with a polynomial function
  const Int_t kNn=fPolOrder+1;
  Float_t **mat = new Float_t*[kNn];
  for(Int_t i=0; i < kNn; i++) mat[i] = new Float_t[kNn];
  Float_t *vect = new Float_t[kNn];

  for(Int_t k1=0;k1<kNn;k1++){
    vect[k1]=0;
    for(Int_t k2=0;k2<kNn;k2++){
      mat[k1][k2]=0;
    }
  }
  for(Int_t k1=0;k1<kNn;k1++){
    for(Int_t jpad=fFirstPadForFit; jpad<=fLastPadForFit; jpad++){
      Float_t x=(Float_t)GetAnodeNumber(jpad);
      if(fDriftSpeed[jpad]>0 && GetInjPadStatus(jpad)>fPadStatusCutForFit){
	  vect[k1]+=fDriftSpeed[jpad]*TMath::Power(x,k1)/TMath::Power(fDriftSpeedErr[jpad],2);	
	  for(Int_t k2=0;k2<kNn;k2++){

	    mat[k1][k2]+=TMath::Power(x,k1+k2)/TMath::Power(fDriftSpeedErr[jpad],2);
	  }
      }
    }
  }
  Int_t *iPivot = new Int_t[kNn];
  Int_t *indxR = new Int_t[kNn];
  Int_t *indxC = new Int_t[kNn];
  for(Int_t i=0;i<kNn;i++) iPivot[i]=0;
  Int_t iCol=-1,iRow=-1;
  for(Int_t i=0;i<kNn;i++){
    Float_t big=0.;
    for(Int_t j=0;j<kNn;j++){
      if(iPivot[j]!=1){
	for(Int_t k=0;k<kNn;k++){
	   if(iPivot[k]==0){
	     if(TMath::Abs(mat[j][k])>=big){
	       big=TMath::Abs(mat[j][k]);
	       iRow=j;
	       iCol=k;
	     }
	  }
	}
      }
    }
    iPivot[iCol]++;
    Float_t aux;
    if(iRow!=iCol){
      for(Int_t l=0;l<kNn;l++){
	aux=mat[iRow][l];
	mat[iRow][l]=mat[iCol][l];
	mat[iCol][l]=aux;
      }
      aux=vect[iRow];
      vect[iRow]=vect[iCol];
      vect[iCol]=aux;
    }
    indxR[i]=iRow;
    indxC[i]=iCol;
    if(mat[iCol][iCol]==0) break;
    Float_t pivinv=1./mat[iCol][iCol];
    mat[iCol][iCol]=1;
    for(Int_t l=0;l<kNn;l++) mat[iCol][l]*=pivinv;
    vect[iCol]*=pivinv;
    for(Int_t m=0;m<kNn;m++){
      if(m!=iCol){
	aux=mat[m][iCol];
	mat[m][iCol]=0;
	for(Int_t n=0;n<kNn;n++) mat[m][n]-=mat[iCol][n]*aux;
	vect[m]-=vect[iCol]*aux;
      }
    }    
  }
  delete [] iPivot;
  delete [] indxR;
  delete [] indxC;

  if(fParam) delete [] fParam;
  fParam=new Float_t[kNn];
  for(Int_t i=0; i<kNn;i++)fParam[i]=vect[i];

  for(Int_t i=0; i < kNn; i++) delete [] mat[i];
  delete [] mat;
  delete [] vect;
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::CalcDriftSpeed(Int_t jpad){
  // 
  Float_t sumY=0,sumX=0,sumXX=0,sumYY=0.,sumXY=0,sumWEI=0.;
  Int_t npt=0;
  Float_t y[kInjLines],ey[kInjLines];
  Float_t tzero=0,erry=0;
  for(Int_t i=0;i<kInjLines;i++){ 
    y[i]=fCentroid[jpad][i];
    ey[i]=fRMSCentroid[jpad][i];
  }
  for(Int_t i=0;i<kInjLines;i++){
    if(fGoodInj[jpad][i] && ey[i]!=0){
      sumY+=y[i]/ey[i]/ey[i];
      sumX+=fPosition[i]/ey[i]/ey[i];
      sumXX+=fPosition[i]*fPosition[i]/ey[i]/ey[i];
      sumYY+=y[i]*y[i]/ey[i]/ey[i];
      sumXY+=fPosition[i]*y[i]/ey[i]/ey[i];
      sumWEI+=1./ey[i]/ey[i];
      tzero=fTbZero/ey[i]/ey[i];
      erry=ey[i];
      npt++;
    }
  }
  Float_t vel=0,evel=0;
  if(npt>1){ 
    Float_t slope=(sumWEI*sumXY-sumY*sumX)/(sumWEI*sumXX-sumX*sumX);
    Float_t eslope=TMath::Sqrt(sumWEI/(sumWEI*sumXX-sumX*sumX));
    if(slope!=0){
      vel=1./slope*10000./25.;// micron/ns
      evel=eslope/slope/slope*10000./25.;// micron/ns
    }
  }
  if(npt==1){
    Float_t slope=(sumY-tzero)/sumX;
    Float_t eslope=erry/sumX;
    if(slope!=0){
      vel=1./slope*10000./25.;// micron/ns    
      evel=eslope/slope/slope*10000./25.;// micron/ns
    }
  }
  if(vel>fMaxDriftSpeed||vel<fMinDriftSpeed || evel>fMaxDriftSpeedErr){ 
    vel=0.;
    evel=0.;
  }
  fDriftSpeed[jpad]=vel;
  fDriftSpeedErr[jpad]=evel;
}
//______________________________________________________________________
Int_t AliITSOnlineSDDInjectors::GetAnodeNumber(Int_t iInjPad) const{
  // Injectors location along anodes:
  // Side left  (UP)   - channel 0: injectors on anodes 0,7,15,...,247,255 
  // Side right (DOWN) - channel 1: injectors on anodes 0,8,16,...,248,255 
  Int_t ian=-1;
  if(iInjPad>=kInjPads) return ian;
  if(fSide==1){  // right side
    ian=iInjPad*8;
    if(iInjPad==32) ian--;
  }else{         // left side
    ian=iInjPad*8-1;
    if(iInjPad==0) ian=0;
  }
  return ian;
}
//______________________________________________________________________
Int_t AliITSOnlineSDDInjectors::GetInjPadNumberFromAnode(Int_t nAnode) const{
  //
  Int_t iInjPad=-1;
  if(fSide==1){  // right side
    if(nAnode%8==0) iInjPad=nAnode/8;
    if(nAnode==255) iInjPad=32;
  }else{         // left side
    if(nAnode%8==7) iInjPad=1+nAnode/8;
    if(nAnode==0) iInjPad=0;
  }
  if(nAnode>=256) iInjPad=-1;
  return iInjPad;
}
//______________________________________________________________________
Int_t AliITSOnlineSDDInjectors::GetInjPadStatus(Int_t jpad) const{
  // returns an integer value with status of injector lines for given pad/anode
  // status=7  -->  111  all injector are good
  // status=6  -->  110  1st line (close to anodes) is bad, other two are good
  // ....
  // status=1  -->  001  only 1st line (close to anodes) good
  // status=0  -->  000  all lines are bad
  Int_t istatus=0;
  if(jpad>=0 && jpad<kInjPads){
    for(Int_t jlin=0;jlin<kInjLines;jlin++) istatus+=fGoodInj[jpad][jlin]<<jlin;
  }
  return istatus;
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::FindGoodInjectors(){
  // 
  for(Int_t jpad=0;jpad<kInjPads;jpad++){
    Int_t ian=GetAnodeNumber(jpad);
    for(Int_t jlin=0;jlin<kInjLines;jlin++){
      for(Int_t jjj=fTbMin[jlin];jjj<fTbMax[jlin];jjj++){
	Float_t c1=fHisto->GetBinContent(jjj,ian+1);
	Float_t c2=fHisto->GetBinContent(jjj+1,ian+1);
	Float_t c3=fHisto->GetBinContent(jjj+2,ian+1);
	if(c1>fLowThreshold && c2>fHighThreshold && c3>fLowThreshold){ 
	  fGoodInj[jpad][jlin]=1;
	  break;
	}
      }
    }
  }
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::FindCentroids(){
  // 
  for(Int_t jpad=0;jpad<kInjPads;jpad++){
    Int_t ian=GetAnodeNumber(jpad);
    for(Int_t jlin=0;jlin<kInjLines;jlin++){
      if(!fGoodInj[jpad][jlin]) continue;
      Float_t maxcont=0;
      Int_t ilmax=-1;
      for(Int_t jjj=fTbMin[jlin];jjj<fTbMax[jlin];jjj++){
	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
	if(cont>maxcont){
	  maxcont=cont;
	  ilmax=jjj;
	}
      }
      Float_t intCont=0;
      Int_t jjj=ilmax;
      while(1){
	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
	if(cont<fLowThreshold) break;
	if(cont<fgkSaturation){
	  fCentroid[jpad][jlin]+=cont*(Float_t)jjj;
	  fRMSCentroid[jpad][jlin]+=cont*TMath::Power((Float_t)jjj,2);
	  intCont+=cont;
	}
	jjj--;
      }
      jjj=ilmax+1;
      while(1){
	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
	if(cont<fLowThreshold) break;
	if(cont<fgkSaturation){
	  fCentroid[jpad][jlin]+=cont*float(jjj);
	  fRMSCentroid[jpad][jlin]+=cont*TMath::Power((Float_t)jjj,2);
	  intCont+=cont;
	}
	jjj++;
      }
      if(intCont>0){ 
	fCentroid[jpad][jlin]/=intCont;
	fRMSCentroid[jpad][jlin]=TMath::Sqrt(fRMSCentroid[jpad][jlin]/intCont-fCentroid[jpad][jlin]*fCentroid[jpad][jlin]);
      }
      else{ 
	fCentroid[jpad][jlin]=0.;
	fRMSCentroid[jpad][jlin]=0.;
	fGoodInj[jpad][jlin]=0;
      }
      if(fRMSCentroid[jpad][jlin]==0) fGoodInj[jpad][jlin]=0;
    }
  }
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::PrintInjectorStatus(){
  //
  for(Int_t jpad=0;jpad<kInjPads;jpad++){
    printf("Line%d-Anode%d: %d %d %d\n",jpad,GetAnodeNumber(jpad),fGoodInj[jpad][0],fGoodInj[jpad][1],fGoodInj[jpad][2]);
  }
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::PrintCentroids(){
  //
  for(Int_t jpad=0;jpad<kInjPads;jpad++){
    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]);
  }
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::WriteToASCII(Int_t evNumb, UInt_t timeStamp, Int_t optAppend){
  //
  Char_t outfilnam[100];
  sprintf(outfilnam,"SDDinj_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);  
  FILE* outf;
  if(optAppend==0){ 
    outf=fopen(outfilnam,"w");
    fprintf(outf,"%d\n",fPolOrder);
  }
  else outf=fopen(outfilnam,"a");
  fprintf(outf,"%d   %d   ",evNumb,timeStamp);
  for(Int_t ic=0;ic<fPolOrder+1;ic++){
    fprintf(outf,"%G ",fParam[ic]);
  }
  fprintf(outf,"\n");
  fclose(outf);  
}
Commit	Line	Data
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	/* $Id$ */
4c82df4c	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.;
9f026db8	32	const Float_t AliITSOnlineSDDInjectors::fgkDefaultLThreshold = 5.;
	33	const Float_t AliITSOnlineSDDInjectors::fgkDefaultHThreshold = 25.;
	34	const Float_t AliITSOnlineSDDInjectors::fgkDefaultMinSpeed = 5.5;
	35	const Float_t AliITSOnlineSDDInjectors::fgkDefaultMaxSpeed = 9.0;
	36	const Float_t AliITSOnlineSDDInjectors::fgkDefaultMaxErr = 1.5;
	37	const Int_t AliITSOnlineSDDInjectors::fgkDefaultPolOrder = 3;
	38	const UShort_t AliITSOnlineSDDInjectors::fgkDefaultTbMin[kInjLines] = {20,90,170};
	39	const UShort_t AliITSOnlineSDDInjectors::fgkDefaultTbMax[kInjLines] = {50,160,240};
348f80b7	40
348f80b7	41	//______________________________________________________________________
9f026db8	42	AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors():AliITSOnlineSDD(),fHisto(),fTbZero(0.),fParam(),fPolOrder(0),fMinDriftSpeed(0.),fMaxDriftSpeed(0.),fMaxDriftSpeedErr(0.),fLowThreshold(0.),fHighThreshold(0.),fFirstPadForFit(0),fLastPadForFit(0),fPadStatusCutForFit(0)
348f80b7	43	{
348f80b7	44	// default constructor
348f80b7	45	SetPositions();
9f026db8	46	SetDefaults();
348f80b7	47	}
348f80b7	48	//______________________________________________________________________
9f026db8	49	AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors(Int_t nddl, Int_t ncarlos, Int_t sid):AliITSOnlineSDD(nddl,ncarlos,sid),fHisto(),fTbZero(0.),fParam(),fPolOrder(0),fMinDriftSpeed(0.),fMaxDriftSpeed(0.),fMaxDriftSpeedErr(0.),fLowThreshold(0.),fHighThreshold(0.),fFirstPadForFit(0),fLastPadForFit(0),fPadStatusCutForFit(0)
beb262b4	50	{
beb262b4	51	// standard constructor
348f80b7	52	SetPositions();
9f026db8	53	SetDefaults();
348f80b7	54	}
	55	//______________________________________________________________________
	56	AliITSOnlineSDDInjectors::~AliITSOnlineSDDInjectors(){
	57	// Destructor
19f1458a	58	// fHisto should not be deleted here because it points to an histo created
	59	// by the external code which calls the method AnalyzeEvent
	60	// if(fHisto) delete fHisto;
348f80b7	61	if(fParam) delete [] fParam;
	62	}
	63	//______________________________________________________________________
9f026db8	64	void AliITSOnlineSDDInjectors::SetDefaults(){
	65	for(Int_t i=0;i<kInjLines;i++)
	66	SetInjLineRange(i,fgkDefaultTbMin[i],fgkDefaultTbMax[i]);
	67	SetThresholds(fgkDefaultLThreshold,fgkDefaultHThreshold);
	68	SetPolOrder(fgkDefaultPolOrder);
	69	SetMinDriftSpeed(fgkDefaultMinSpeed);
	70	SetMaxDriftSpeed(fgkDefaultMaxSpeed);
	71	SetMaxDriftSpeedErr(fgkDefaultMaxErr);
	72	SetFitLimits(1,kInjPads-2); // exclude first and last pad
	73	SetPadStatusCutForFit();
	74	}
	75	//______________________________________________________________________
348f80b7	76	void AliITSOnlineSDDInjectors::SetPositions(){
348f80b7	77	//
9f026db8	78	Float_t xLinFromCenterUm[kInjLines]={31860.,17460.,660.};
	79	Float_t xAnodeFromCenterUm=35085;
	80	for(Int_t i=0;i<kInjLines;i++){
	81	fPosition[i]=xAnodeFromCenterUm-xLinFromCenterUm[i];
348f80b7	82	fPosition[i]/=10000.; // from microns to cm
	83	}
	84	}
	85	//______________________________________________________________________
	86	void AliITSOnlineSDDInjectors::Reset(){
beb262b4	87	//
9f026db8	88	for(Int_t i=0;i<kInjPads;i++){
	89	fDriftSpeed[i]=0.;
	90	fDriftSpeedErr[i]=0.;
348f80b7	91	}
9f026db8	92	for(Int_t i=0;i<kInjPads;i++){
9f026db8	93	for(Int_t j=0;j<kInjLines;j++){
348f80b7	94	fGoodInj[i][j]=0;
	95	fCentroid[i][j]=0.;
	96	fRMSCentroid[i][j]=0.;
	97	}
	98	}
	99	}
	100	//______________________________________________________________________
	101	void AliITSOnlineSDDInjectors::AnalyzeEvent(TH2F* his){
	102	//
	103	Reset();
	104	fHisto=his;
	105	FindGoodInjectors();
	106	FindCentroids();
	107	CalcTimeBinZero();
9f026db8	108	for(Int_t j=0;j<kInjPads;j++) CalcDriftSpeed(j);
9f026db8	109	FitDriftSpeedVsAnode();
348f80b7	110	}
348f80b7	111	//______________________________________________________________________
9f026db8	112	TGraphErrors* AliITSOnlineSDDInjectors::GetTimeVsDistGraph(Int_t jpad) const{
348f80b7	113	//
9f026db8	114	const Int_t kPts=kInjLines+1;
9f026db8	115	Float_t x[kPts],y[kPts],ex[kPts],ey[kPts];
348f80b7	116	x[0]=0.;
	117	ex[0]=0.;
	118	y[0]=fTbZero;
	119	ey[0]=0.;
9f026db8	120	for(Int_t i=0;i<kInjLines;i++){
348f80b7	121	x[i+1]=fPosition[i];
348f80b7	122	ex[i+1]=0.;
9f026db8	123	y[i+1]=fCentroid[jpad][i];
9f026db8	124	ey[i+1]=fRMSCentroid[jpad][i];
348f80b7	125	}
	126	TGraphErrors *g=new TGraphErrors(4,x,y,ex,ey);
	127	return g;
	128	}
9f026db8	129
348f80b7	130	//______________________________________________________________________
9f026db8	131	TGraphErrors* AliITSOnlineSDDInjectors::GetDriftSpeedGraph() const{
348f80b7	132	//
348f80b7	133	Int_t ipt=0;
348f80b7	134	TGraphErrors *g=new TGraphErrors(0);
9f026db8	135	for(Int_t i=0;i<kInjPads;i++){
	136	if(fDriftSpeed[i]>0){
	137	g->SetPoint(ipt,GetAnodeNumber(i),fDriftSpeed[i]);
	138	g->SetPointError(ipt,0,fDriftSpeedErr[i]);
348f80b7	139	ipt++;
	140	}
	141	}
	142	return g;
	143	}
	144	//______________________________________________________________________
84df0230	145	TGraphErrors* AliITSOnlineSDDInjectors::GetSelectedDriftSpeedGraph(Int_t minAcceptStatus) const{
	146	// TGraphErrors with only pads with status of injector >= minAcceptStatus
	147	Int_t ipt=0;
	148	TGraphErrors *g=new TGraphErrors(0);
	149	for(Int_t i=0;i<kInjPads;i++){
	150	Int_t padStatus = GetInjPadStatus(i);
	151	if(fDriftSpeed[i]>0 && padStatus >= minAcceptStatus ){
	152	g->SetPoint(ipt,GetAnodeNumber(i),fDriftSpeed[i]);
	153	g->SetPointError(ipt,0,fDriftSpeedErr[i]);
	154	ipt++;
	155	}
	156	}
	157	return g;
	158	}
	159	//______________________________________________________________________
348f80b7	160	void AliITSOnlineSDDInjectors::CalcTimeBinZero(){
beb262b4	161	//
348f80b7	162	Float_t tzero=0.,intCont=0.;
	163	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	164	for(Int_t itb=1;itb<fTbMin[0];itb++){
	165	Float_t cont=fHisto->GetBinContent(itb,ian+1);
9f026db8	166	if(cont>fLowThreshold){
348f80b7	167	tzero+=cont*float(itb);
	168	intCont+=cont;
	169	}
	170	}
	171	}
	172	if(intCont>0) fTbZero=tzero/intCont;
	173	}
	174	//______________________________________________________________________
9f026db8	175	void AliITSOnlineSDDInjectors::FitDriftSpeedVsAnode(){
9f026db8	176	// fits the anode dependence of drift speed with a polynomial function
4ff6aa93	177	const Int_t kNn=fPolOrder+1;
	178	Float_t *mat = new Float_t[kNn];
	179	for(Int_t i=0; i < kNn; i++) mat[i] = new Float_t[kNn];
	180	Float_t *vect = new Float_t[kNn];
9f026db8	181
4ff6aa93	182	for(Int_t k1=0;k1<kNn;k1++){
348f80b7	183	vect[k1]=0;
4ff6aa93	184	for(Int_t k2=0;k2<kNn;k2++){
348f80b7	185	mat[k1][k2]=0;
348f80b7	186	}
348f80b7	187	}
4ff6aa93	188	for(Int_t k1=0;k1<kNn;k1++){
9f026db8	189	for(Int_t jpad=fFirstPadForFit; jpad<=fLastPadForFit; jpad++){
	190	Float_t x=(Float_t)GetAnodeNumber(jpad);
	191	if(fDriftSpeed[jpad]>0 && GetInjPadStatus(jpad)>fPadStatusCutForFit){
	192	vect[k1]+=fDriftSpeed[jpad]*TMath::Power(x,k1)/TMath::Power(fDriftSpeedErr[jpad],2);
	193	for(Int_t k2=0;k2<kNn;k2++){
	194
	195	mat[k1][k2]+=TMath::Power(x,k1+k2)/TMath::Power(fDriftSpeedErr[jpad],2);
	196	}
	197	}
348f80b7	198	}
348f80b7	199	}
4ff6aa93	200	Int_t *iPivot = new Int_t[kNn];
	201	Int_t *indxR = new Int_t[kNn];
	202	Int_t *indxC = new Int_t[kNn];
	203	for(Int_t i=0;i<kNn;i++) iPivot[i]=0;
348f80b7	204	Int_t iCol=-1,iRow=-1;
4ff6aa93	205	for(Int_t i=0;i<kNn;i++){
348f80b7	206	Float_t big=0.;
4ff6aa93	207	for(Int_t j=0;j<kNn;j++){
348f80b7	208	if(iPivot[j]!=1){
4ff6aa93	209	for(Int_t k=0;k<kNn;k++){
348f80b7	210	if(iPivot[k]==0){
	211	if(TMath::Abs(mat[j][k])>=big){
	212	big=TMath::Abs(mat[j][k]);
	213	iRow=j;
	214	iCol=k;
	215	}
	216	}
	217	}
	218	}
	219	}
	220	iPivot[iCol]++;
	221	Float_t aux;
	222	if(iRow!=iCol){
4ff6aa93	223	for(Int_t l=0;l<kNn;l++){
348f80b7	224	aux=mat[iRow][l];
	225	mat[iRow][l]=mat[iCol][l];
	226	mat[iCol][l]=aux;
	227	}
	228	aux=vect[iRow];
	229	vect[iRow]=vect[iCol];
	230	vect[iCol]=aux;
	231	}
	232	indxR[i]=iRow;
	233	indxC[i]=iCol;
	234	if(mat[iCol][iCol]==0) break;
	235	Float_t pivinv=1./mat[iCol][iCol];
	236	mat[iCol][iCol]=1;
4ff6aa93	237	for(Int_t l=0;l<kNn;l++) mat[iCol][l]*=pivinv;
348f80b7	238	vect[iCol]*=pivinv;
4ff6aa93	239	for(Int_t m=0;m<kNn;m++){
348f80b7	240	if(m!=iCol){
	241	aux=mat[m][iCol];
	242	mat[m][iCol]=0;
4ff6aa93	243	for(Int_t n=0;n<kNn;n++) mat[m][n]-=mat[iCol][n]*aux;
348f80b7	244	vect[m]-=vect[iCol]*aux;
	245	}
	246	}
	247	}
	248	delete [] iPivot;
	249	delete [] indxR;
	250	delete [] indxC;
	251
	252	if(fParam) delete [] fParam;
4ff6aa93	253	fParam=new Float_t[kNn];
4ff6aa93	254	for(Int_t i=0; i<kNn;i++)fParam[i]=vect[i];
348f80b7	255
4ff6aa93	256	for(Int_t i=0; i < kNn; i++) delete [] mat[i];
348f80b7	257	delete [] mat;
	258	delete [] vect;
	259	}
	260	//______________________________________________________________________
9f026db8	261	void AliITSOnlineSDDInjectors::CalcDriftSpeed(Int_t jpad){
348f80b7	262	//
	263	Float_t sumY=0,sumX=0,sumXX=0,sumYY=0.,sumXY=0,sumWEI=0.;
	264	Int_t npt=0;
9f026db8	265	Float_t y[kInjLines],ey[kInjLines];
348f80b7	266	Float_t tzero=0,erry=0;
9f026db8	267	for(Int_t i=0;i<kInjLines;i++){
	268	y[i]=fCentroid[jpad][i];
	269	ey[i]=fRMSCentroid[jpad][i];
348f80b7	270	}
9f026db8	271	for(Int_t i=0;i<kInjLines;i++){
9f026db8	272	if(fGoodInj[jpad][i] && ey[i]!=0){
348f80b7	273	sumY+=y[i]/ey[i]/ey[i];
	274	sumX+=fPosition[i]/ey[i]/ey[i];
	275	sumXX+=fPosition[i]*fPosition[i]/ey[i]/ey[i];
	276	sumYY+=y[i]*y[i]/ey[i]/ey[i];
	277	sumXY+=fPosition[i]*y[i]/ey[i]/ey[i];
	278	sumWEI+=1./ey[i]/ey[i];
	279	tzero=fTbZero/ey[i]/ey[i];
	280	erry=ey[i];
	281	npt++;
	282	}
	283	}
	284	Float_t vel=0,evel=0;
	285	if(npt>1){
	286	Float_t slope=(sumWEIsumXY-sumYsumX)/(sumWEIsumXX-sumXsumX);
	287	Float_t eslope=TMath::Sqrt(sumWEI/(sumWEIsumXX-sumXsumX));
53855521	288	if(slope!=0){
	289	vel=1./slope*10000./25.;// micron/ns
	290	evel=eslope/slope/slope*10000./25.;// micron/ns
	291	}
348f80b7	292	}
	293	if(npt==1){
	294	Float_t slope=(sumY-tzero)/sumX;
	295	Float_t eslope=erry/sumX;
53855521	296	if(slope!=0){
	297	vel=1./slope*10000./25.;// micron/ns
	298	evel=eslope/slope/slope*10000./25.;// micron/ns
	299	}
348f80b7	300	}
9f026db8	301	if(vel>fMaxDriftSpeed\|\|vel<fMinDriftSpeed \|\| evel>fMaxDriftSpeedErr){
348f80b7	302	vel=0.;
	303	evel=0.;
	304	}
9f026db8	305	fDriftSpeed[jpad]=vel;
9f026db8	306	fDriftSpeedErr[jpad]=evel;
348f80b7	307	}
348f80b7	308	//______________________________________________________________________
9f026db8	309	Int_t AliITSOnlineSDDInjectors::GetAnodeNumber(Int_t iInjPad) const{
61606350	310	// Injectors location along anodes:
	311	// Side left (UP) - channel 0: injectors on anodes 0,7,15,...,247,255
	312	// Side right (DOWN) - channel 1: injectors on anodes 0,8,16,...,248,255
348f80b7	313	Int_t ian=-1;
9f026db8	314	if(iInjPad>=kInjPads) return ian;
61606350	315	if(fSide==1){ // right side
9f026db8	316	ian=iInjPad*8;
9f026db8	317	if(iInjPad==32) ian--;
61606350	318	}else{ // left side
9f026db8	319	ian=iInjPad*8-1;
9f026db8	320	if(iInjPad==0) ian=0;
348f80b7	321	}
	322	return ian;
	323	}
84c6e6c0	324	//______________________________________________________________________
9f026db8	325	Int_t AliITSOnlineSDDInjectors::GetInjPadNumberFromAnode(Int_t nAnode) const{
84c6e6c0	326	//
9f026db8	327	Int_t iInjPad=-1;
61606350	328	if(fSide==1){ // right side
9f026db8	329	if(nAnode%8==0) iInjPad=nAnode/8;
9f026db8	330	if(nAnode==255) iInjPad=32;
61606350	331	}else{ // left side
9f026db8	332	if(nAnode%8==7) iInjPad=1+nAnode/8;
9f026db8	333	if(nAnode==0) iInjPad=0;
84c6e6c0	334	}
9f026db8	335	if(nAnode>=256) iInjPad=-1;
9f026db8	336	return iInjPad;
84c6e6c0	337	}
84c6e6c0	338	//______________________________________________________________________
9f026db8	339	Int_t AliITSOnlineSDDInjectors::GetInjPadStatus(Int_t jpad) const{
	340	// returns an integer value with status of injector lines for given pad/anode
	341	// status=7 --> 111 all injector are good
	342	// status=6 --> 110 1st line (close to anodes) is bad, other two are good
	343	// ....
	344	// status=1 --> 001 only 1st line (close to anodes) good
	345	// status=0 --> 000 all lines are bad
84c6e6c0	346	Int_t istatus=0;
9f026db8	347	if(jpad>=0 && jpad<kInjPads){
9f026db8	348	for(Int_t jlin=0;jlin<kInjLines;jlin++) istatus+=fGoodInj[jpad][jlin]<<jlin;
84c6e6c0	349	}
	350	return istatus;
	351	}
348f80b7	352	//______________________________________________________________________
	353	void AliITSOnlineSDDInjectors::FindGoodInjectors(){
	354	//
9f026db8	355	for(Int_t jpad=0;jpad<kInjPads;jpad++){
	356	Int_t ian=GetAnodeNumber(jpad);
	357	for(Int_t jlin=0;jlin<kInjLines;jlin++){
	358	for(Int_t jjj=fTbMin[jlin];jjj<fTbMax[jlin];jjj++){
348f80b7	359	Float_t c1=fHisto->GetBinContent(jjj,ian+1);
	360	Float_t c2=fHisto->GetBinContent(jjj+1,ian+1);
	361	Float_t c3=fHisto->GetBinContent(jjj+2,ian+1);
9f026db8	362	if(c1>fLowThreshold && c2>fHighThreshold && c3>fLowThreshold){
9f026db8	363	fGoodInj[jpad][jlin]=1;
348f80b7	364	break;
	365	}
	366	}
348f80b7	367	}
	368	}
	369	}
	370	//______________________________________________________________________
	371	void AliITSOnlineSDDInjectors::FindCentroids(){
	372	//
9f026db8	373	for(Int_t jpad=0;jpad<kInjPads;jpad++){
	374	Int_t ian=GetAnodeNumber(jpad);
	375	for(Int_t jlin=0;jlin<kInjLines;jlin++){
	376	if(!fGoodInj[jpad][jlin]) continue;
348f80b7	377	Float_t maxcont=0;
348f80b7	378	Int_t ilmax=-1;
9f026db8	379	for(Int_t jjj=fTbMin[jlin];jjj<fTbMax[jlin];jjj++){
348f80b7	380	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
	381	if(cont>maxcont){
	382	maxcont=cont;
	383	ilmax=jjj;
	384	}
	385	}
	386	Float_t intCont=0;
	387	Int_t jjj=ilmax;
	388	while(1){
	389	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
9f026db8	390	if(cont<fLowThreshold) break;
348f80b7	391	if(cont<fgkSaturation){
9f026db8	392	fCentroid[jpad][jlin]+=cont*(Float_t)jjj;
9f026db8	393	fRMSCentroid[jpad][jlin]+=cont*TMath::Power((Float_t)jjj,2);
348f80b7	394	intCont+=cont;
	395	}
	396	jjj--;
	397	}
	398	jjj=ilmax+1;
	399	while(1){
	400	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
9f026db8	401	if(cont<fLowThreshold) break;
348f80b7	402	if(cont<fgkSaturation){
9f026db8	403	fCentroid[jpad][jlin]+=cont*float(jjj);
9f026db8	404	fRMSCentroid[jpad][jlin]+=cont*TMath::Power((Float_t)jjj,2);
348f80b7	405	intCont+=cont;
	406	}
	407	jjj++;
	408	}
	409	if(intCont>0){
9f026db8	410	fCentroid[jpad][jlin]/=intCont;
9f026db8	411	fRMSCentroid[jpad][jlin]=TMath::Sqrt(fRMSCentroid[jpad][jlin]/intCont-fCentroid[jpad][jlin]*fCentroid[jpad][jlin]);
348f80b7	412	}
348f80b7	413	else{
9f026db8	414	fCentroid[jpad][jlin]=0.;
	415	fRMSCentroid[jpad][jlin]=0.;
	416	fGoodInj[jpad][jlin]=0;
348f80b7	417	}
9f026db8	418	if(fRMSCentroid[jpad][jlin]==0) fGoodInj[jpad][jlin]=0;
348f80b7	419	}
	420	}
	421	}
	422	//______________________________________________________________________
9f026db8	423	void AliITSOnlineSDDInjectors::PrintInjectorStatus(){
348f80b7	424	//
9f026db8	425	for(Int_t jpad=0;jpad<kInjPads;jpad++){
9f026db8	426	printf("Line%d-Anode%d: %d %d %d\n",jpad,GetAnodeNumber(jpad),fGoodInj[jpad][0],fGoodInj[jpad][1],fGoodInj[jpad][2]);
348f80b7	427	}
	428	}
	429	//______________________________________________________________________
	430	void AliITSOnlineSDDInjectors::PrintCentroids(){
	431	//
9f026db8	432	for(Int_t jpad=0;jpad<kInjPads;jpad++){
9f026db8	433	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]);
348f80b7	434	}
	435	}
	436	//______________________________________________________________________
4c82df4c	437	void AliITSOnlineSDDInjectors::WriteToASCII(Int_t evNumb, UInt_t timeStamp, Int_t optAppend){
348f80b7	438	//
348f80b7	439	Char_t outfilnam[100];
979b5a5f	440	sprintf(outfilnam,"SDDinj_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
4c82df4c	441	FILE* outf;
18da6e54	442	if(optAppend==0){
	443	outf=fopen(outfilnam,"w");
	444	fprintf(outf,"%d\n",fPolOrder);
	445	}
4c82df4c	446	else outf=fopen(outfilnam,"a");
4c82df4c	447	fprintf(outf,"%d %d ",evNumb,timeStamp);
348f80b7	448	for(Int_t ic=0;ic<fPolOrder+1;ic++){
	449	fprintf(outf,"%G ",fParam[ic]);
	450	}
	451	fprintf(outf,"\n");
	452	fclose(outf);
	453	}