[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.;

//______________________________________________________________________
AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors():AliITSOnlineSDD(),fHisto(),fTbZero(0.),fParam(),fPolOrder(0),fMinDriftVel(0.),fMaxDriftVel(0.),fThreshold(0.),fTimeDiffTB()
{
  // default constructor
  SetMinDriftVel();
  SetMaxDriftVel();
  SetRangeLine1();
  SetRangeLine2();
  SetRangeLine3();
  SetPositions();
  SetPolOrder();
  SetThreshold();
  SetTimeDiffTB();
}
//______________________________________________________________________
AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors(Int_t nddl, Int_t ncarlos, Int_t sid):AliITSOnlineSDD(nddl,ncarlos,sid),fHisto(),fTbZero(0.),fParam(),fPolOrder(0),fMinDriftVel(0.),fMaxDriftVel(0.),fThreshold(0.),fTimeDiffTB()
{ 
// standard constructor
  SetMinDriftVel();
  SetMaxDriftVel();
  SetRangeLine1();
  SetRangeLine2();
  SetRangeLine3();
  SetPositions();
  SetPolOrder();
  SetThreshold();
  SetTimeDiffTB();
}
//______________________________________________________________________
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::SetPositions(){
  // 
  Float_t kLinFromCenterUm[3]={31860.,17460.,660.};
  Float_t kAnodeFromCenterUm=35085;
  for(Int_t i=0;i<3;i++){
    fPosition[i]=kAnodeFromCenterUm-kLinFromCenterUm[i];
    fPosition[i]/=10000.; // from microns to cm
  }
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::Reset(){
  //
  for(Int_t i=0;i<kNInjectors;i++){ 
    fDriftVel[i]=0.;
    fSigmaDriftVel[i]=0.;
  }
  for(Int_t i=0;i<kNInjectors;i++){
    for(Int_t j=0;j<3;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<kNInjectors;j++) CalcDriftVelocity(j);
  FitDriftVelocityVsAnode();
}
//______________________________________________________________________
TGraphErrors* AliITSOnlineSDDInjectors::GetLineGraph(Int_t jlin) const{
  // 
  Float_t x[4],y[4],ex[4],ey[4];
  x[0]=0.;
  ex[0]=0.;
  y[0]=fTbZero;
  ey[0]=0.;
  for(Int_t i=0;i<3;i++){
    x[i+1]=fPosition[i];
    ex[i+1]=0.;
    y[i+1]=fCentroid[jlin][i];
    ey[i+1]=fRMSCentroid[jlin][i];
  }
  TGraphErrors *g=new TGraphErrors(4,x,y,ex,ey);
  return g;
}
//______________________________________________________________________
Float_t AliITSOnlineSDDInjectors::GetDriftCoordinate(Float_t cAnode, Float_t cTimeBin){
  //
  Float_t vel=0;
  for(Int_t i=0;i<=fPolOrder;i++) vel+=fParam[i]*TMath::Power(cAnode,(Float_t)i);
  return vel*(cTimeBin-(fTbZero-fTimeDiffTB))*25/1000.; 
}
//______________________________________________________________________
TGraphErrors* AliITSOnlineSDDInjectors::GetDriftVelocityGraph() const{
  // 
  Int_t ipt=0;
  TGraphErrors *g=new TGraphErrors(0);
  for(Int_t i=0;i<kNInjectors;i++){
    if(fDriftVel[i]>0){ 
      g->SetPoint(ipt,GetAnodeNumber(i),fDriftVel[i]);
      g->SetPointError(ipt,0,fSigmaDriftVel[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>fThreshold){
	tzero+=cont*float(itb);
	intCont+=cont;
      }
    }
  }
  if(intCont>0) fTbZero=tzero/intCont;
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::FitDriftVelocityVsAnode(){
  // fits the anode dependence of drift velocity with a polynomial
  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 n=0; n<kNInjectors;n++){
	Float_t x=(Float_t)GetAnodeNumber(n);
	if(fDriftVel[n]>0) mat[k1][k2]+=TMath::Power(x,k1+k2)/TMath::Power(fSigmaDriftVel[n],2);
      }
    }
  }
  for(Int_t k1=0;k1<kNn;k1++){
    for(Int_t n=0; n<kNInjectors;n++){
      Float_t x=(Float_t)GetAnodeNumber(n);
      if(fDriftVel[n]>0) vect[k1]+=fDriftVel[n]*TMath::Power(x,k1)/TMath::Power(fSigmaDriftVel[n],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::CalcDriftVelocity(Int_t jlin){
  // 
  Float_t sumY=0,sumX=0,sumXX=0,sumYY=0.,sumXY=0,sumWEI=0.;
  Int_t npt=0;
  Float_t y[3],ey[3];
  Float_t tzero=0,erry=0;
  for(Int_t i=0;i<3;i++){ 
    y[i]=fCentroid[jlin][i];
    ey[i]=fRMSCentroid[jlin][i];
  }
  for(Int_t i=0;i<3;i++){
    if(fGoodInj[jlin][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>fMaxDriftVel||vel<fMinDriftVel){ 
    vel=0.;
    evel=0.;
  }
  fDriftVel[jlin]=vel;
  fSigmaDriftVel[jlin]=evel;
}
//______________________________________________________________________
Int_t AliITSOnlineSDDInjectors::GetAnodeNumber(Int_t iInjLine) const{
  //
  Int_t ian=-1;
  if(iInjLine>32) return ian;
  if(!fSide){
    ian=iInjLine*8;
    if(iInjLine==32) ian--;
  }else{
    ian=iInjLine*8-1;
    if(iInjLine==0) ian=0;
  }
  return ian;
}
//______________________________________________________________________
Int_t AliITSOnlineSDDInjectors::GetLineNumberFromAnode(Int_t nAnode) const{
  //
  Int_t iLine=-1;
  if(!fSide){
    if(nAnode%8==0) iLine=nAnode/8;
    if(nAnode==255) iLine=32;
  }else{
    if(nAnode%8==7) iLine=1+nAnode/8;
    if(nAnode==0) iLine=0;
  }
  if(nAnode>=256) iLine=-1;
  return iLine;
}
//______________________________________________________________________
Int_t AliITSOnlineSDDInjectors::GetAnodeStatus(Int_t nAnode) const{
  //
  Int_t iii=GetLineNumberFromAnode(nAnode);
  Int_t istatus=0;
  if(iii>=0){
    for(Int_t ninj=0;ninj<3;ninj++) istatus+=fGoodInj[iii][ninj]<<ninj;
  }
  return istatus;
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::FindGoodInjectors(){
  // 
  for(Int_t iii=0;iii<kNInjectors;iii++){
    Int_t ian=GetAnodeNumber(iii);
    for(Int_t ninj=0;ninj<3;ninj++){
      for(Int_t jjj=fTbMin[ninj];jjj<fTbMax[ninj];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>fThreshold && c2>fThreshold && c3>fThreshold){ 
	  fGoodInj[iii][ninj]=1;
	  break;
	}
      }
      //      for(Int_t jjj=fTbMin[ninj];jjj<fTbMax[ninj];jjj++){
      //      	Float_t c1=fHisto->GetBinContent(jjj,ian+1);
      //      	if(c1>=fgkSaturation){
      //      	  fGoodInj[iii][ninj]=0;
      //	  break;
      //	}
      //      }
    }
  }
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::FindCentroids(){
  // 
  for(Int_t iii=0;iii<kNInjectors;iii++){
    Int_t ian=GetAnodeNumber(iii);
    for(Int_t ninj=0;ninj<3;ninj++){
      if(!fGoodInj[iii][ninj]) continue;
      Float_t maxcont=0;
      Int_t ilmax=-1;
      for(Int_t jjj=fTbMin[ninj];jjj<fTbMax[ninj];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<fThreshold) break;
	if(cont<fgkSaturation){
	  fCentroid[iii][ninj]+=cont*(Float_t)jjj;
	  fRMSCentroid[iii][ninj]+=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<fThreshold) break;
	if(cont<fgkSaturation){
	  fCentroid[iii][ninj]+=cont*float(jjj);
	  fRMSCentroid[iii][ninj]+=cont*TMath::Power((Float_t)jjj,2);
	  intCont+=cont;
	}
	jjj++;
      }
      if(intCont>0){ 
	fCentroid[iii][ninj]/=intCont;
	fRMSCentroid[iii][ninj]=TMath::Sqrt(fRMSCentroid[iii][ninj]/intCont-fCentroid[iii][ninj]*fCentroid[iii][ninj]);
      }
      else{ 
	fCentroid[iii][ninj]=0.;
	fRMSCentroid[iii][ninj]=0.;
	fGoodInj[iii][ninj]=0;
      }
      if(fRMSCentroid[iii][ninj]==0) fGoodInj[iii][ninj]=0;
    }
  }
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::PrintInjMap(){
  //
  for(Int_t iii=0;iii<kNInjectors;iii++){
    printf("Line%d-Anode%d: %d %d %d\n",iii,GetAnodeNumber(iii),fGoodInj[iii][0],fGoodInj[iii][1],fGoodInj[iii][2]);
  }
}
//______________________________________________________________________
void AliITSOnlineSDDInjectors::PrintCentroids(){
  //
  for(Int_t iii=0;iii<kNInjectors;iii++){
    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]);
  }
}
//______________________________________________________________________
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.;
348f80b7	32
348f80b7	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	}
348f80b7	47	//______________________________________________________________________
979b5a5f	48	AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors(Int_t nddl, Int_t ncarlos, Int_t sid):AliITSOnlineSDD(nddl,ncarlos,sid),fHisto(),fTbZero(0.),fParam(),fPolOrder(0),fMinDriftVel(0.),fMaxDriftVel(0.),fThreshold(0.),fTimeDiffTB()
beb262b4	49	{
beb262b4	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
19f1458a	64	// fHisto should not be deleted here because it points to an histo created
	65	// by the external code which calls the method AnalyzeEvent
	66	// if(fHisto) delete fHisto;
348f80b7	67	if(fParam) delete [] fParam;
	68	}
	69	//______________________________________________________________________
	70	void AliITSOnlineSDDInjectors::SetPositions(){
	71	//
	72	Float_t kLinFromCenterUm[3]={31860.,17460.,660.};
	73	Float_t kAnodeFromCenterUm=35085;
	74	for(Int_t i=0;i<3;i++){
	75	fPosition[i]=kAnodeFromCenterUm-kLinFromCenterUm[i];
	76	fPosition[i]/=10000.; // from microns to cm
	77	}
	78	}
	79	//______________________________________________________________________
	80	void AliITSOnlineSDDInjectors::Reset(){
beb262b4	81	//
348f80b7	82	for(Int_t i=0;i<kNInjectors;i++){
	83	fDriftVel[i]=0.;
	84	fSigmaDriftVel[i]=0.;
	85	}
	86	for(Int_t i=0;i<kNInjectors;i++){
	87	for(Int_t j=0;j<3;j++){
	88	fGoodInj[i][j]=0;
	89	fCentroid[i][j]=0.;
	90	fRMSCentroid[i][j]=0.;
	91	}
	92	}
	93	}
	94	//______________________________________________________________________
	95	void AliITSOnlineSDDInjectors::AnalyzeEvent(TH2F* his){
	96	//
	97	Reset();
	98	fHisto=his;
	99	FindGoodInjectors();
	100	FindCentroids();
	101	CalcTimeBinZero();
	102	for(Int_t j=0;j<kNInjectors;j++) CalcDriftVelocity(j);
	103	FitDriftVelocityVsAnode();
	104	}
	105	//______________________________________________________________________
4ff6aa93	106	TGraphErrors* AliITSOnlineSDDInjectors::GetLineGraph(Int_t jlin) const{
348f80b7	107	//
	108	Float_t x[4],y[4],ex[4],ey[4];
	109	x[0]=0.;
	110	ex[0]=0.;
	111	y[0]=fTbZero;
	112	ey[0]=0.;
	113	for(Int_t i=0;i<3;i++){
	114	x[i+1]=fPosition[i];
	115	ex[i+1]=0.;
	116	y[i+1]=fCentroid[jlin][i];
	117	ey[i+1]=fRMSCentroid[jlin][i];
	118	}
	119	TGraphErrors *g=new TGraphErrors(4,x,y,ex,ey);
	120	return g;
	121	}
	122	//______________________________________________________________________
	123	Float_t AliITSOnlineSDDInjectors::GetDriftCoordinate(Float_t cAnode, Float_t cTimeBin){
beb262b4	124	//
348f80b7	125	Float_t vel=0;
348f80b7	126	for(Int_t i=0;i<=fPolOrder;i++) vel+=fParam[i]*TMath::Power(cAnode,(Float_t)i);
4ff6aa93	127	return vel(cTimeBin-(fTbZero-fTimeDiffTB))25/1000.;
348f80b7	128	}
348f80b7	129	//______________________________________________________________________
beb262b4	130	TGraphErrors* AliITSOnlineSDDInjectors::GetDriftVelocityGraph() const{
348f80b7	131	//
348f80b7	132	Int_t ipt=0;
	133	TGraphErrors *g=new TGraphErrors(0);
	134	for(Int_t i=0;i<kNInjectors;i++){
	135	if(fDriftVel[i]>0){
	136	g->SetPoint(ipt,GetAnodeNumber(i),fDriftVel[i]);
	137	g->SetPointError(ipt,0,fSigmaDriftVel[i]);
	138	ipt++;
	139	}
	140	}
	141	return g;
	142	}
	143	//______________________________________________________________________
	144	void AliITSOnlineSDDInjectors::CalcTimeBinZero(){
beb262b4	145	//
348f80b7	146	Float_t tzero=0.,intCont=0.;
	147	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	148	for(Int_t itb=1;itb<fTbMin[0];itb++){
	149	Float_t cont=fHisto->GetBinContent(itb,ian+1);
	150	if(cont>fThreshold){
	151	tzero+=cont*float(itb);
	152	intCont+=cont;
	153	}
	154	}
	155	}
	156	if(intCont>0) fTbZero=tzero/intCont;
	157	}
	158	//______________________________________________________________________
	159	void AliITSOnlineSDDInjectors::FitDriftVelocityVsAnode(){
4ff6aa93	160	// fits the anode dependence of drift velocity with a polynomial
	161	const Int_t kNn=fPolOrder+1;
	162	Float_t *mat = new Float_t[kNn];
	163	for(Int_t i=0; i < kNn; i++) mat[i] = new Float_t[kNn];
	164	Float_t *vect = new Float_t[kNn];
	165	for(Int_t k1=0;k1<kNn;k1++){
348f80b7	166	vect[k1]=0;
4ff6aa93	167	for(Int_t k2=0;k2<kNn;k2++){
348f80b7	168	mat[k1][k2]=0;
	169	for(Int_t n=0; n<kNInjectors;n++){
	170	Float_t x=(Float_t)GetAnodeNumber(n);
	171	if(fDriftVel[n]>0) mat[k1][k2]+=TMath::Power(x,k1+k2)/TMath::Power(fSigmaDriftVel[n],2);
	172	}
	173	}
	174	}
4ff6aa93	175	for(Int_t k1=0;k1<kNn;k1++){
348f80b7	176	for(Int_t n=0; n<kNInjectors;n++){
	177	Float_t x=(Float_t)GetAnodeNumber(n);
	178	if(fDriftVel[n]>0) vect[k1]+=fDriftVel[n]*TMath::Power(x,k1)/TMath::Power(fSigmaDriftVel[n],2);
	179	}
	180	}
4ff6aa93	181	Int_t *iPivot = new Int_t[kNn];
	182	Int_t *indxR = new Int_t[kNn];
	183	Int_t *indxC = new Int_t[kNn];
	184	for(Int_t i=0;i<kNn;i++) iPivot[i]=0;
348f80b7	185	Int_t iCol=-1,iRow=-1;
4ff6aa93	186	for(Int_t i=0;i<kNn;i++){
348f80b7	187	Float_t big=0.;
4ff6aa93	188	for(Int_t j=0;j<kNn;j++){
348f80b7	189	if(iPivot[j]!=1){
4ff6aa93	190	for(Int_t k=0;k<kNn;k++){
348f80b7	191	if(iPivot[k]==0){
	192	if(TMath::Abs(mat[j][k])>=big){
	193	big=TMath::Abs(mat[j][k]);
	194	iRow=j;
	195	iCol=k;
	196	}
	197	}
	198	}
	199	}
	200	}
	201	iPivot[iCol]++;
	202	Float_t aux;
	203	if(iRow!=iCol){
4ff6aa93	204	for(Int_t l=0;l<kNn;l++){
348f80b7	205	aux=mat[iRow][l];
	206	mat[iRow][l]=mat[iCol][l];
	207	mat[iCol][l]=aux;
	208	}
	209	aux=vect[iRow];
	210	vect[iRow]=vect[iCol];
	211	vect[iCol]=aux;
	212	}
	213	indxR[i]=iRow;
	214	indxC[i]=iCol;
	215	if(mat[iCol][iCol]==0) break;
	216	Float_t pivinv=1./mat[iCol][iCol];
	217	mat[iCol][iCol]=1;
4ff6aa93	218	for(Int_t l=0;l<kNn;l++) mat[iCol][l]*=pivinv;
348f80b7	219	vect[iCol]*=pivinv;
4ff6aa93	220	for(Int_t m=0;m<kNn;m++){
348f80b7	221	if(m!=iCol){
	222	aux=mat[m][iCol];
	223	mat[m][iCol]=0;
4ff6aa93	224	for(Int_t n=0;n<kNn;n++) mat[m][n]-=mat[iCol][n]*aux;
348f80b7	225	vect[m]-=vect[iCol]*aux;
	226	}
	227	}
	228	}
	229	delete [] iPivot;
	230	delete [] indxR;
	231	delete [] indxC;
	232
	233	if(fParam) delete [] fParam;
4ff6aa93	234	fParam=new Float_t[kNn];
4ff6aa93	235	for(Int_t i=0; i<kNn;i++)fParam[i]=vect[i];
348f80b7	236
4ff6aa93	237	for(Int_t i=0; i < kNn; i++) delete [] mat[i];
348f80b7	238	delete [] mat;
	239	delete [] vect;
	240	}
	241	//______________________________________________________________________
	242	void AliITSOnlineSDDInjectors::CalcDriftVelocity(Int_t jlin){
	243	//
	244	Float_t sumY=0,sumX=0,sumXX=0,sumYY=0.,sumXY=0,sumWEI=0.;
	245	Int_t npt=0;
	246	Float_t y[3],ey[3];
	247	Float_t tzero=0,erry=0;
	248	for(Int_t i=0;i<3;i++){
	249	y[i]=fCentroid[jlin][i];
	250	ey[i]=fRMSCentroid[jlin][i];
	251	}
	252	for(Int_t i=0;i<3;i++){
53855521	253	if(fGoodInj[jlin][i] && ey[i]!=0){
348f80b7	254	sumY+=y[i]/ey[i]/ey[i];
	255	sumX+=fPosition[i]/ey[i]/ey[i];
	256	sumXX+=fPosition[i]*fPosition[i]/ey[i]/ey[i];
	257	sumYY+=y[i]*y[i]/ey[i]/ey[i];
	258	sumXY+=fPosition[i]*y[i]/ey[i]/ey[i];
	259	sumWEI+=1./ey[i]/ey[i];
	260	tzero=fTbZero/ey[i]/ey[i];
	261	erry=ey[i];
	262	npt++;
	263	}
	264	}
	265	Float_t vel=0,evel=0;
	266	if(npt>1){
	267	Float_t slope=(sumWEIsumXY-sumYsumX)/(sumWEIsumXX-sumXsumX);
	268	Float_t eslope=TMath::Sqrt(sumWEI/(sumWEIsumXX-sumXsumX));
53855521	269	if(slope!=0){
	270	vel=1./slope*10000./25.;// micron/ns
	271	evel=eslope/slope/slope*10000./25.;// micron/ns
	272	}
348f80b7	273	}
	274	if(npt==1){
	275	Float_t slope=(sumY-tzero)/sumX;
	276	Float_t eslope=erry/sumX;
53855521	277	if(slope!=0){
	278	vel=1./slope*10000./25.;// micron/ns
	279	evel=eslope/slope/slope*10000./25.;// micron/ns
	280	}
348f80b7	281	}
	282	if(vel>fMaxDriftVel\|\|vel<fMinDriftVel){
	283	vel=0.;
	284	evel=0.;
	285	}
	286	fDriftVel[jlin]=vel;
	287	fSigmaDriftVel[jlin]=evel;
	288	}
	289	//______________________________________________________________________
beb262b4	290	Int_t AliITSOnlineSDDInjectors::GetAnodeNumber(Int_t iInjLine) const{
beb262b4	291	//
348f80b7	292	Int_t ian=-1;
	293	if(iInjLine>32) return ian;
	294	if(!fSide){
	295	ian=iInjLine*8;
	296	if(iInjLine==32) ian--;
	297	}else{
	298	ian=iInjLine*8-1;
	299	if(iInjLine==0) ian=0;
	300	}
	301	return ian;
	302	}
84c6e6c0	303	//______________________________________________________________________
	304	Int_t AliITSOnlineSDDInjectors::GetLineNumberFromAnode(Int_t nAnode) const{
	305	//
	306	Int_t iLine=-1;
	307	if(!fSide){
	308	if(nAnode%8==0) iLine=nAnode/8;
	309	if(nAnode==255) iLine=32;
	310	}else{
	311	if(nAnode%8==7) iLine=1+nAnode/8;
	312	if(nAnode==0) iLine=0;
	313	}
	314	if(nAnode>=256) iLine=-1;
	315	return iLine;
	316	}
	317	//______________________________________________________________________
	318	Int_t AliITSOnlineSDDInjectors::GetAnodeStatus(Int_t nAnode) const{
	319	//
	320	Int_t iii=GetLineNumberFromAnode(nAnode);
	321	Int_t istatus=0;
	322	if(iii>=0){
	323	for(Int_t ninj=0;ninj<3;ninj++) istatus+=fGoodInj[iii][ninj]<<ninj;
	324	}
	325	return istatus;
	326	}
348f80b7	327	//______________________________________________________________________
	328	void AliITSOnlineSDDInjectors::FindGoodInjectors(){
	329	//
	330	for(Int_t iii=0;iii<kNInjectors;iii++){
	331	Int_t ian=GetAnodeNumber(iii);
	332	for(Int_t ninj=0;ninj<3;ninj++){
	333	for(Int_t jjj=fTbMin[ninj];jjj<fTbMax[ninj];jjj++){
	334	Float_t c1=fHisto->GetBinContent(jjj,ian+1);
	335	Float_t c2=fHisto->GetBinContent(jjj+1,ian+1);
	336	Float_t c3=fHisto->GetBinContent(jjj+2,ian+1);
	337	if(c1>fThreshold && c2>fThreshold && c3>fThreshold){
	338	fGoodInj[iii][ninj]=1;
	339	break;
	340	}
	341	}
	342	// for(Int_t jjj=fTbMin[ninj];jjj<fTbMax[ninj];jjj++){
	343	// Float_t c1=fHisto->GetBinContent(jjj,ian+1);
	344	// if(c1>=fgkSaturation){
	345	// fGoodInj[iii][ninj]=0;
	346	// break;
	347	// }
	348	// }
	349	}
	350	}
	351	}
	352	//______________________________________________________________________
	353	void AliITSOnlineSDDInjectors::FindCentroids(){
	354	//
	355	for(Int_t iii=0;iii<kNInjectors;iii++){
	356	Int_t ian=GetAnodeNumber(iii);
	357	for(Int_t ninj=0;ninj<3;ninj++){
	358	if(!fGoodInj[iii][ninj]) continue;
	359	Float_t maxcont=0;
	360	Int_t ilmax=-1;
	361	for(Int_t jjj=fTbMin[ninj];jjj<fTbMax[ninj];jjj++){
	362	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
	363	if(cont>maxcont){
	364	maxcont=cont;
	365	ilmax=jjj;
	366	}
	367	}
	368	Float_t intCont=0;
	369	Int_t jjj=ilmax;
	370	while(1){
	371	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
	372	if(cont<fThreshold) break;
	373	if(cont<fgkSaturation){
	374	fCentroid[iii][ninj]+=cont*(Float_t)jjj;
	375	fRMSCentroid[iii][ninj]+=cont*TMath::Power((Float_t)jjj,2);
	376	intCont+=cont;
	377	}
	378	jjj--;
	379	}
	380	jjj=ilmax+1;
	381	while(1){
	382	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
	383	if(cont<fThreshold) break;
	384	if(cont<fgkSaturation){
	385	fCentroid[iii][ninj]+=cont*float(jjj);
	386	fRMSCentroid[iii][ninj]+=cont*TMath::Power((Float_t)jjj,2);
	387	intCont+=cont;
	388	}
	389	jjj++;
	390	}
391	if(intCont>0){
392	fCentroid[iii][ninj]/=intCont;
393	fRMSCentroid[iii][ninj]=TMath::Sqrt(fRMSCentroid[iii][ninj]/intCont-fCentroid[iii][ninj]*fCentroid[iii][ninj]);
394	}
395	else{
396	fCentroid[iii][ninj]=0.;
397	fRMSCentroid[iii][ninj]=0.;
398	fGoodInj[iii][ninj]=0;
399	}
4c82df4c	400	if(fRMSCentroid[iii][ninj]==0) fGoodInj[iii][ninj]=0;
348f80b7	401	}
	402	}
	403	}
	404	//______________________________________________________________________
	405	void AliITSOnlineSDDInjectors::PrintInjMap(){
	406	//
	407	for(Int_t iii=0;iii<kNInjectors;iii++){
	408	printf("Line%d-Anode%d: %d %d %d\n",iii,GetAnodeNumber(iii),fGoodInj[iii][0],fGoodInj[iii][1],fGoodInj[iii][2]);
	409	}
	410	}
	411	//______________________________________________________________________
	412	void AliITSOnlineSDDInjectors::PrintCentroids(){
	413	//
	414	for(Int_t iii=0;iii<kNInjectors;iii++){
	415	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]);
	416	}
	417	}
	418	//______________________________________________________________________
4c82df4c	419	void AliITSOnlineSDDInjectors::WriteToASCII(Int_t evNumb, UInt_t timeStamp, Int_t optAppend){
348f80b7	420	//
348f80b7	421	Char_t outfilnam[100];
979b5a5f	422	sprintf(outfilnam,"SDDinj_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
4c82df4c	423	FILE* outf;
18da6e54	424	if(optAppend==0){
	425	outf=fopen(outfilnam,"w");
	426	fprintf(outf,"%d\n",fPolOrder);
	427	}
4c82df4c	428	else outf=fopen(outfilnam,"a");
4c82df4c	429	fprintf(outf,"%d %d ",evNumb,timeStamp);
348f80b7	430	for(Int_t ic=0;ic<fPolOrder+1;ic++){
	431	fprintf(outf,"%G ",fParam[ic]);
	432	}
	433	fprintf(outf,"\n");
	434	fclose(outf);
	435	}