[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;
}
//______________________________________________________________________
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{
  //
  Int_t ian=-1;
  if(iInjPad>=kInjPads) return ian;
  if(!fSide){
    ian=iInjPad*8;
    if(iInjPad==32) ian--;
  }else{
    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){
    if(nAnode%8==0) iInjPad=nAnode/8;
    if(nAnode==255) iInjPad=32;
  }else{
    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	//______________________________________________________________________
	145	void AliITSOnlineSDDInjectors::CalcTimeBinZero(){
beb262b4	146	//
348f80b7	147	Float_t tzero=0.,intCont=0.;
	148	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	149	for(Int_t itb=1;itb<fTbMin[0];itb++){
	150	Float_t cont=fHisto->GetBinContent(itb,ian+1);
9f026db8	151	if(cont>fLowThreshold){
348f80b7	152	tzero+=cont*float(itb);
	153	intCont+=cont;
	154	}
	155	}
	156	}
	157	if(intCont>0) fTbZero=tzero/intCont;
	158	}
	159	//______________________________________________________________________
9f026db8	160	void AliITSOnlineSDDInjectors::FitDriftSpeedVsAnode(){
9f026db8	161	// fits the anode dependence of drift speed with a polynomial function
4ff6aa93	162	const Int_t kNn=fPolOrder+1;
	163	Float_t *mat = new Float_t[kNn];
	164	for(Int_t i=0; i < kNn; i++) mat[i] = new Float_t[kNn];
	165	Float_t *vect = new Float_t[kNn];
9f026db8	166
4ff6aa93	167	for(Int_t k1=0;k1<kNn;k1++){
348f80b7	168	vect[k1]=0;
4ff6aa93	169	for(Int_t k2=0;k2<kNn;k2++){
348f80b7	170	mat[k1][k2]=0;
348f80b7	171	}
348f80b7	172	}
4ff6aa93	173	for(Int_t k1=0;k1<kNn;k1++){
9f026db8	174	for(Int_t jpad=fFirstPadForFit; jpad<=fLastPadForFit; jpad++){
	175	Float_t x=(Float_t)GetAnodeNumber(jpad);
	176	if(fDriftSpeed[jpad]>0 && GetInjPadStatus(jpad)>fPadStatusCutForFit){
	177	vect[k1]+=fDriftSpeed[jpad]*TMath::Power(x,k1)/TMath::Power(fDriftSpeedErr[jpad],2);
	178	for(Int_t k2=0;k2<kNn;k2++){
	179
	180	mat[k1][k2]+=TMath::Power(x,k1+k2)/TMath::Power(fDriftSpeedErr[jpad],2);
	181	}
	182	}
348f80b7	183	}
348f80b7	184	}
4ff6aa93	185	Int_t *iPivot = new Int_t[kNn];
	186	Int_t *indxR = new Int_t[kNn];
	187	Int_t *indxC = new Int_t[kNn];
	188	for(Int_t i=0;i<kNn;i++) iPivot[i]=0;
348f80b7	189	Int_t iCol=-1,iRow=-1;
4ff6aa93	190	for(Int_t i=0;i<kNn;i++){
348f80b7	191	Float_t big=0.;
4ff6aa93	192	for(Int_t j=0;j<kNn;j++){
348f80b7	193	if(iPivot[j]!=1){
4ff6aa93	194	for(Int_t k=0;k<kNn;k++){
348f80b7	195	if(iPivot[k]==0){
	196	if(TMath::Abs(mat[j][k])>=big){
	197	big=TMath::Abs(mat[j][k]);
	198	iRow=j;
	199	iCol=k;
	200	}
	201	}
	202	}
	203	}
	204	}
	205	iPivot[iCol]++;
	206	Float_t aux;
	207	if(iRow!=iCol){
4ff6aa93	208	for(Int_t l=0;l<kNn;l++){
348f80b7	209	aux=mat[iRow][l];
	210	mat[iRow][l]=mat[iCol][l];
	211	mat[iCol][l]=aux;
	212	}
	213	aux=vect[iRow];
	214	vect[iRow]=vect[iCol];
	215	vect[iCol]=aux;
	216	}
	217	indxR[i]=iRow;
	218	indxC[i]=iCol;
	219	if(mat[iCol][iCol]==0) break;
	220	Float_t pivinv=1./mat[iCol][iCol];
	221	mat[iCol][iCol]=1;
4ff6aa93	222	for(Int_t l=0;l<kNn;l++) mat[iCol][l]*=pivinv;
348f80b7	223	vect[iCol]*=pivinv;
4ff6aa93	224	for(Int_t m=0;m<kNn;m++){
348f80b7	225	if(m!=iCol){
	226	aux=mat[m][iCol];
	227	mat[m][iCol]=0;
4ff6aa93	228	for(Int_t n=0;n<kNn;n++) mat[m][n]-=mat[iCol][n]*aux;
348f80b7	229	vect[m]-=vect[iCol]*aux;
	230	}
	231	}
	232	}
	233	delete [] iPivot;
	234	delete [] indxR;
	235	delete [] indxC;
	236
	237	if(fParam) delete [] fParam;
4ff6aa93	238	fParam=new Float_t[kNn];
4ff6aa93	239	for(Int_t i=0; i<kNn;i++)fParam[i]=vect[i];
348f80b7	240
4ff6aa93	241	for(Int_t i=0; i < kNn; i++) delete [] mat[i];
348f80b7	242	delete [] mat;
	243	delete [] vect;
	244	}
	245	//______________________________________________________________________
9f026db8	246	void AliITSOnlineSDDInjectors::CalcDriftSpeed(Int_t jpad){
348f80b7	247	//
	248	Float_t sumY=0,sumX=0,sumXX=0,sumYY=0.,sumXY=0,sumWEI=0.;
	249	Int_t npt=0;
9f026db8	250	Float_t y[kInjLines],ey[kInjLines];
348f80b7	251	Float_t tzero=0,erry=0;
9f026db8	252	for(Int_t i=0;i<kInjLines;i++){
	253	y[i]=fCentroid[jpad][i];
	254	ey[i]=fRMSCentroid[jpad][i];
348f80b7	255	}
9f026db8	256	for(Int_t i=0;i<kInjLines;i++){
9f026db8	257	if(fGoodInj[jpad][i] && ey[i]!=0){
348f80b7	258	sumY+=y[i]/ey[i]/ey[i];
	259	sumX+=fPosition[i]/ey[i]/ey[i];
	260	sumXX+=fPosition[i]*fPosition[i]/ey[i]/ey[i];
	261	sumYY+=y[i]*y[i]/ey[i]/ey[i];
	262	sumXY+=fPosition[i]*y[i]/ey[i]/ey[i];
	263	sumWEI+=1./ey[i]/ey[i];
	264	tzero=fTbZero/ey[i]/ey[i];
	265	erry=ey[i];
	266	npt++;
	267	}
	268	}
	269	Float_t vel=0,evel=0;
	270	if(npt>1){
	271	Float_t slope=(sumWEIsumXY-sumYsumX)/(sumWEIsumXX-sumXsumX);
	272	Float_t eslope=TMath::Sqrt(sumWEI/(sumWEIsumXX-sumXsumX));
53855521	273	if(slope!=0){
	274	vel=1./slope*10000./25.;// micron/ns
	275	evel=eslope/slope/slope*10000./25.;// micron/ns
	276	}
348f80b7	277	}
	278	if(npt==1){
	279	Float_t slope=(sumY-tzero)/sumX;
	280	Float_t eslope=erry/sumX;
53855521	281	if(slope!=0){
	282	vel=1./slope*10000./25.;// micron/ns
	283	evel=eslope/slope/slope*10000./25.;// micron/ns
	284	}
348f80b7	285	}
9f026db8	286	if(vel>fMaxDriftSpeed\|\|vel<fMinDriftSpeed \|\| evel>fMaxDriftSpeedErr){
348f80b7	287	vel=0.;
	288	evel=0.;
	289	}
9f026db8	290	fDriftSpeed[jpad]=vel;
9f026db8	291	fDriftSpeedErr[jpad]=evel;
348f80b7	292	}
348f80b7	293	//______________________________________________________________________
9f026db8	294	Int_t AliITSOnlineSDDInjectors::GetAnodeNumber(Int_t iInjPad) const{
beb262b4	295	//
348f80b7	296	Int_t ian=-1;
9f026db8	297	if(iInjPad>=kInjPads) return ian;
348f80b7	298	if(!fSide){
9f026db8	299	ian=iInjPad*8;
9f026db8	300	if(iInjPad==32) ian--;
348f80b7	301	}else{
9f026db8	302	ian=iInjPad*8-1;
9f026db8	303	if(iInjPad==0) ian=0;
348f80b7	304	}
	305	return ian;
	306	}
84c6e6c0	307	//______________________________________________________________________
9f026db8	308	Int_t AliITSOnlineSDDInjectors::GetInjPadNumberFromAnode(Int_t nAnode) const{
84c6e6c0	309	//
9f026db8	310	Int_t iInjPad=-1;
84c6e6c0	311	if(!fSide){
9f026db8	312	if(nAnode%8==0) iInjPad=nAnode/8;
9f026db8	313	if(nAnode==255) iInjPad=32;
84c6e6c0	314	}else{
9f026db8	315	if(nAnode%8==7) iInjPad=1+nAnode/8;
9f026db8	316	if(nAnode==0) iInjPad=0;
84c6e6c0	317	}
9f026db8	318	if(nAnode>=256) iInjPad=-1;
9f026db8	319	return iInjPad;
84c6e6c0	320	}
84c6e6c0	321	//______________________________________________________________________
9f026db8	322	Int_t AliITSOnlineSDDInjectors::GetInjPadStatus(Int_t jpad) const{
	323	// returns an integer value with status of injector lines for given pad/anode
	324	// status=7 --> 111 all injector are good
	325	// status=6 --> 110 1st line (close to anodes) is bad, other two are good
	326	// ....
	327	// status=1 --> 001 only 1st line (close to anodes) good
	328	// status=0 --> 000 all lines are bad
84c6e6c0	329	Int_t istatus=0;
9f026db8	330	if(jpad>=0 && jpad<kInjPads){
9f026db8	331	for(Int_t jlin=0;jlin<kInjLines;jlin++) istatus+=fGoodInj[jpad][jlin]<<jlin;
84c6e6c0	332	}
	333	return istatus;
	334	}
348f80b7	335	//______________________________________________________________________
	336	void AliITSOnlineSDDInjectors::FindGoodInjectors(){
	337	//
9f026db8	338	for(Int_t jpad=0;jpad<kInjPads;jpad++){
	339	Int_t ian=GetAnodeNumber(jpad);
	340	for(Int_t jlin=0;jlin<kInjLines;jlin++){
	341	for(Int_t jjj=fTbMin[jlin];jjj<fTbMax[jlin];jjj++){
348f80b7	342	Float_t c1=fHisto->GetBinContent(jjj,ian+1);
	343	Float_t c2=fHisto->GetBinContent(jjj+1,ian+1);
	344	Float_t c3=fHisto->GetBinContent(jjj+2,ian+1);
9f026db8	345	if(c1>fLowThreshold && c2>fHighThreshold && c3>fLowThreshold){
9f026db8	346	fGoodInj[jpad][jlin]=1;
348f80b7	347	break;
	348	}
	349	}
348f80b7	350	}
	351	}
	352	}
	353	//______________________________________________________________________
	354	void AliITSOnlineSDDInjectors::FindCentroids(){
	355	//
9f026db8	356	for(Int_t jpad=0;jpad<kInjPads;jpad++){
	357	Int_t ian=GetAnodeNumber(jpad);
	358	for(Int_t jlin=0;jlin<kInjLines;jlin++){
	359	if(!fGoodInj[jpad][jlin]) continue;
348f80b7	360	Float_t maxcont=0;
348f80b7	361	Int_t ilmax=-1;
9f026db8	362	for(Int_t jjj=fTbMin[jlin];jjj<fTbMax[jlin];jjj++){
348f80b7	363	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
	364	if(cont>maxcont){
	365	maxcont=cont;
	366	ilmax=jjj;
	367	}
	368	}
	369	Float_t intCont=0;
	370	Int_t jjj=ilmax;
	371	while(1){
	372	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
9f026db8	373	if(cont<fLowThreshold) break;
348f80b7	374	if(cont<fgkSaturation){
9f026db8	375	fCentroid[jpad][jlin]+=cont*(Float_t)jjj;
9f026db8	376	fRMSCentroid[jpad][jlin]+=cont*TMath::Power((Float_t)jjj,2);
348f80b7	377	intCont+=cont;
	378	}
	379	jjj--;
	380	}
	381	jjj=ilmax+1;
	382	while(1){
	383	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
9f026db8	384	if(cont<fLowThreshold) break;
348f80b7	385	if(cont<fgkSaturation){
9f026db8	386	fCentroid[jpad][jlin]+=cont*float(jjj);
9f026db8	387	fRMSCentroid[jpad][jlin]+=cont*TMath::Power((Float_t)jjj,2);
348f80b7	388	intCont+=cont;
	389	}
	390	jjj++;
	391	}
	392	if(intCont>0){
9f026db8	393	fCentroid[jpad][jlin]/=intCont;
9f026db8	394	fRMSCentroid[jpad][jlin]=TMath::Sqrt(fRMSCentroid[jpad][jlin]/intCont-fCentroid[jpad][jlin]*fCentroid[jpad][jlin]);
348f80b7	395	}
348f80b7	396	else{
9f026db8	397	fCentroid[jpad][jlin]=0.;
	398	fRMSCentroid[jpad][jlin]=0.;
	399	fGoodInj[jpad][jlin]=0;
348f80b7	400	}
9f026db8	401	if(fRMSCentroid[jpad][jlin]==0) fGoodInj[jpad][jlin]=0;
348f80b7	402	}
	403	}
	404	}
	405	//______________________________________________________________________
9f026db8	406	void AliITSOnlineSDDInjectors::PrintInjectorStatus(){
348f80b7	407	//
9f026db8	408	for(Int_t jpad=0;jpad<kInjPads;jpad++){
9f026db8	409	printf("Line%d-Anode%d: %d %d %d\n",jpad,GetAnodeNumber(jpad),fGoodInj[jpad][0],fGoodInj[jpad][1],fGoodInj[jpad][2]);
348f80b7	410	}
	411	}
	412	//______________________________________________________________________
	413	void AliITSOnlineSDDInjectors::PrintCentroids(){
	414	//
9f026db8	415	for(Int_t jpad=0;jpad<kInjPads;jpad++){
9f026db8	416	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	417	}
	418	}
	419	//______________________________________________________________________
4c82df4c	420	void AliITSOnlineSDDInjectors::WriteToASCII(Int_t evNumb, UInt_t timeStamp, Int_t optAppend){
348f80b7	421	//
348f80b7	422	Char_t outfilnam[100];
979b5a5f	423	sprintf(outfilnam,"SDDinj_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
4c82df4c	424	FILE* outf;
18da6e54	425	if(optAppend==0){
	426	outf=fopen(outfilnam,"w");
	427	fprintf(outf,"%d\n",fPolOrder);
	428	}
4c82df4c	429	else outf=fopen(outfilnam,"a");
4c82df4c	430	fprintf(outf,"%d %d ",evNumb,timeStamp);
348f80b7	431	for(Int_t ic=0;ic<fPolOrder+1;ic++){
	432	fprintf(outf,"%G ",fParam[ic]);
	433	}
	434	fprintf(outf,"\n");
	435	fclose(outf);
	436	}