[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 Float_t AliITSOnlineSDDInjectors::fgkDefaultTimeStep = 50.;
const UShort_t AliITSOnlineSDDInjectors::fgkDefaultTbMin[kInjLines] = {10,50,100};
const UShort_t AliITSOnlineSDDInjectors::fgkDefaultTbMax[kInjLines] = {20,70,120};

//______________________________________________________________________
AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors():AliITSOnlineSDD(),fHisto(),fTbZero(0.),fRMSTbZero(0.),fParam(),fPolOrder(0),fMinDriftSpeed(0.),fMaxDriftSpeed(0.),fMaxDriftSpeedErr(0.),fLowThreshold(0.),fHighThreshold(0.),fFirstPadForFit(0),fLastPadForFit(0),fPadStatusCutForFit(0),fTimeStep(0.),fUseTimeZeroSignal(kFALSE)
{
  // default constructor
  SetPositions();
  SetDefaults();
  SetTimeStep(fgkDefaultTimeStep);
}
//______________________________________________________________________
AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors(Int_t nddl, Int_t ncarlos, Int_t sid):AliITSOnlineSDD(nddl,ncarlos,sid),fHisto(),fTbZero(0.),fRMSTbZero(0.),fParam(),fPolOrder(0),fMinDriftSpeed(0.),fMaxDriftSpeed(0.),fMaxDriftSpeedErr(0.),fLowThreshold(0.),fHighThreshold(0.),fFirstPadForFit(0),fLastPadForFit(0),fPadStatusCutForFit(0),fTimeStep(0.),fUseTimeZeroSignal(kFALSE)
{ 
// standard constructor
  SetPositions();
  SetDefaults();
  SetTimeStep(fgkDefaultTimeStep);
}
//______________________________________________________________________
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(){
  // Get time zero from trigger signal
  Float_t tzero=0.,intCont=0.,rmsPeak=0.;
  Bool_t isTbUsed[256];
  Int_t nTbUsed=0;
  for(Int_t i=0;i<256;i++) isTbUsed[i]=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);
      Float_t contm1=fHisto->GetBinContent(itb+1,ian+1);
      Float_t contp1=fHisto->GetBinContent(itb-1,ian+1);
      if(cont>fLowThreshold){
	if(contm1>fHighThreshold || cont>fHighThreshold || contp1>fHighThreshold){
	  tzero+=cont*float(itb);
	  rmsPeak+=cont*float(itb)*float(itb);
	  intCont+=cont;
	  if(!isTbUsed[itb]){
	    isTbUsed[itb]=1;
	    ++nTbUsed;
	  }
	}
      }
    }
  }
  if(intCont>0){ 
    fTbZero=tzero/intCont;
    fRMSTbZero=TMath::Sqrt(rmsPeak/intCont-fTbZero*fTbZero);
  }
  if(nTbUsed==1) fRMSTbZero=0.5; 
}
//______________________________________________________________________
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;
    }
  }
  Int_t npts = 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);	
	  if(k1==0) npts++;
	  for(Int_t k2=0;k2<kNn;k2++){
	    mat[k1][k2]+=TMath::Power(x,k1+k2)/TMath::Power(fDriftSpeedErr[jpad],2);
	  }
      }
    }
  }
  if(npts<fPolOrder+1){ 
    if(fParam) delete [] fParam;
    fParam=new Float_t[kNn];
    for(Int_t i=0; i<kNn;i++)fParam[i]=0;
  }else{
    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]/ey[i]/ey[i];
      npt++;
    }
  }
  Float_t slope=0.,eslope=0.;
  if(npt==1){
    slope=(sumY-tzero)/sumX;
    eslope=erry/sumX;
  }
  if(npt>1){ 
    if(fUseTimeZeroSignal){
      sumY+=fTbZero/fRMSTbZero/fRMSTbZero;
      sumX+=0.;
      sumXX+=0.;
      sumYY+=fTbZero*fTbZero/fRMSTbZero/fRMSTbZero;
      sumXY+=0.;
      sumWEI+=1./fRMSTbZero/fRMSTbZero;
    }
    slope=(sumWEI*sumXY-sumY*sumX)/(sumWEI*sumXX-sumX*sumX);
    eslope=TMath::Sqrt(sumWEI/(sumWEI*sumXX-sumX*sumX));
  }

  Float_t vel=0,evel=0;
  if(slope!=0. && fTimeStep>0.){
    vel=1./slope*10000./fTimeStep;// micron/ns
    evel=eslope/slope/slope*10000./fTimeStep;// 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>fLowThreshold){ 
	  if(c1>fHighThreshold || c2>fHighThreshold){
	    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*(Float_t)jjj*(Float_t)jjj;
	  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*(Float_t)jjj*(Float_t)jjj;
	  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;
f4e26d31	38	const Float_t AliITSOnlineSDDInjectors::fgkDefaultTimeStep = 50.;
	39	const UShort_t AliITSOnlineSDDInjectors::fgkDefaultTbMin[kInjLines] = {10,50,100};
	40	const UShort_t AliITSOnlineSDDInjectors::fgkDefaultTbMax[kInjLines] = {20,70,120};
348f80b7	41
348f80b7	42	//______________________________________________________________________
784a52ed	43	AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors():AliITSOnlineSDD(),fHisto(),fTbZero(0.),fRMSTbZero(0.),fParam(),fPolOrder(0),fMinDriftSpeed(0.),fMaxDriftSpeed(0.),fMaxDriftSpeedErr(0.),fLowThreshold(0.),fHighThreshold(0.),fFirstPadForFit(0),fLastPadForFit(0),fPadStatusCutForFit(0),fTimeStep(0.),fUseTimeZeroSignal(kFALSE)
348f80b7	44	{
348f80b7	45	// default constructor
348f80b7	46	SetPositions();
9f026db8	47	SetDefaults();
f4e26d31	48	SetTimeStep(fgkDefaultTimeStep);
348f80b7	49	}
348f80b7	50	//______________________________________________________________________
784a52ed	51	AliITSOnlineSDDInjectors::AliITSOnlineSDDInjectors(Int_t nddl, Int_t ncarlos, Int_t sid):AliITSOnlineSDD(nddl,ncarlos,sid),fHisto(),fTbZero(0.),fRMSTbZero(0.),fParam(),fPolOrder(0),fMinDriftSpeed(0.),fMaxDriftSpeed(0.),fMaxDriftSpeedErr(0.),fLowThreshold(0.),fHighThreshold(0.),fFirstPadForFit(0),fLastPadForFit(0),fPadStatusCutForFit(0),fTimeStep(0.),fUseTimeZeroSignal(kFALSE)
beb262b4	52	{
beb262b4	53	// standard constructor
348f80b7	54	SetPositions();
9f026db8	55	SetDefaults();
f4e26d31	56	SetTimeStep(fgkDefaultTimeStep);
348f80b7	57	}
	58	//______________________________________________________________________
	59	AliITSOnlineSDDInjectors::~AliITSOnlineSDDInjectors(){
	60	// Destructor
19f1458a	61	// fHisto should not be deleted here because it points to an histo created
	62	// by the external code which calls the method AnalyzeEvent
	63	// if(fHisto) delete fHisto;
348f80b7	64	if(fParam) delete [] fParam;
	65	}
	66	//______________________________________________________________________
9f026db8	67	void AliITSOnlineSDDInjectors::SetDefaults(){
	68	for(Int_t i=0;i<kInjLines;i++)
	69	SetInjLineRange(i,fgkDefaultTbMin[i],fgkDefaultTbMax[i]);
	70	SetThresholds(fgkDefaultLThreshold,fgkDefaultHThreshold);
	71	SetPolOrder(fgkDefaultPolOrder);
	72	SetMinDriftSpeed(fgkDefaultMinSpeed);
	73	SetMaxDriftSpeed(fgkDefaultMaxSpeed);
	74	SetMaxDriftSpeedErr(fgkDefaultMaxErr);
	75	SetFitLimits(1,kInjPads-2); // exclude first and last pad
	76	SetPadStatusCutForFit();
	77	}
	78	//______________________________________________________________________
348f80b7	79	void AliITSOnlineSDDInjectors::SetPositions(){
348f80b7	80	//
9f026db8	81	Float_t xLinFromCenterUm[kInjLines]={31860.,17460.,660.};
	82	Float_t xAnodeFromCenterUm=35085;
	83	for(Int_t i=0;i<kInjLines;i++){
	84	fPosition[i]=xAnodeFromCenterUm-xLinFromCenterUm[i];
348f80b7	85	fPosition[i]/=10000.; // from microns to cm
	86	}
	87	}
	88	//______________________________________________________________________
	89	void AliITSOnlineSDDInjectors::Reset(){
beb262b4	90	//
9f026db8	91	for(Int_t i=0;i<kInjPads;i++){
	92	fDriftSpeed[i]=0.;
	93	fDriftSpeedErr[i]=0.;
348f80b7	94	}
9f026db8	95	for(Int_t i=0;i<kInjPads;i++){
9f026db8	96	for(Int_t j=0;j<kInjLines;j++){
348f80b7	97	fGoodInj[i][j]=0;
	98	fCentroid[i][j]=0.;
	99	fRMSCentroid[i][j]=0.;
	100	}
	101	}
	102	}
	103	//______________________________________________________________________
	104	void AliITSOnlineSDDInjectors::AnalyzeEvent(TH2F* his){
	105	//
	106	Reset();
	107	fHisto=his;
	108	FindGoodInjectors();
	109	FindCentroids();
	110	CalcTimeBinZero();
9f026db8	111	for(Int_t j=0;j<kInjPads;j++) CalcDriftSpeed(j);
9f026db8	112	FitDriftSpeedVsAnode();
348f80b7	113	}
348f80b7	114	//______________________________________________________________________
9f026db8	115	TGraphErrors* AliITSOnlineSDDInjectors::GetTimeVsDistGraph(Int_t jpad) const{
348f80b7	116	//
9f026db8	117	const Int_t kPts=kInjLines+1;
9f026db8	118	Float_t x[kPts],y[kPts],ex[kPts],ey[kPts];
348f80b7	119	x[0]=0.;
	120	ex[0]=0.;
	121	y[0]=fTbZero;
	122	ey[0]=0.;
9f026db8	123	for(Int_t i=0;i<kInjLines;i++){
348f80b7	124	x[i+1]=fPosition[i];
348f80b7	125	ex[i+1]=0.;
9f026db8	126	y[i+1]=fCentroid[jpad][i];
9f026db8	127	ey[i+1]=fRMSCentroid[jpad][i];
348f80b7	128	}
	129	TGraphErrors *g=new TGraphErrors(4,x,y,ex,ey);
	130	return g;
	131	}
9f026db8	132
348f80b7	133	//______________________________________________________________________
9f026db8	134	TGraphErrors* AliITSOnlineSDDInjectors::GetDriftSpeedGraph() const{
348f80b7	135	//
348f80b7	136	Int_t ipt=0;
348f80b7	137	TGraphErrors *g=new TGraphErrors(0);
9f026db8	138	for(Int_t i=0;i<kInjPads;i++){
	139	if(fDriftSpeed[i]>0){
	140	g->SetPoint(ipt,GetAnodeNumber(i),fDriftSpeed[i]);
	141	g->SetPointError(ipt,0,fDriftSpeedErr[i]);
348f80b7	142	ipt++;
	143	}
	144	}
	145	return g;
	146	}
	147	//______________________________________________________________________
84df0230	148	TGraphErrors* AliITSOnlineSDDInjectors::GetSelectedDriftSpeedGraph(Int_t minAcceptStatus) const{
	149	// TGraphErrors with only pads with status of injector >= minAcceptStatus
	150	Int_t ipt=0;
	151	TGraphErrors *g=new TGraphErrors(0);
	152	for(Int_t i=0;i<kInjPads;i++){
	153	Int_t padStatus = GetInjPadStatus(i);
	154	if(fDriftSpeed[i]>0 && padStatus >= minAcceptStatus ){
	155	g->SetPoint(ipt,GetAnodeNumber(i),fDriftSpeed[i]);
	156	g->SetPointError(ipt,0,fDriftSpeedErr[i]);
	157	ipt++;
	158	}
	159	}
	160	return g;
	161	}
	162	//______________________________________________________________________
348f80b7	163	void AliITSOnlineSDDInjectors::CalcTimeBinZero(){
784a52ed	164	// Get time zero from trigger signal
	165	Float_t tzero=0.,intCont=0.,rmsPeak=0.;
	166	Bool_t isTbUsed[256];
	167	Int_t nTbUsed=0;
	168	for(Int_t i=0;i<256;i++) isTbUsed[i]=0;
348f80b7	169	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	170	for(Int_t itb=1;itb<fTbMin[0];itb++){
	171	Float_t cont=fHisto->GetBinContent(itb,ian+1);
784a52ed	172	Float_t contm1=fHisto->GetBinContent(itb+1,ian+1);
784a52ed	173	Float_t contp1=fHisto->GetBinContent(itb-1,ian+1);
9f026db8	174	if(cont>fLowThreshold){
784a52ed	175	if(contm1>fHighThreshold \|\| cont>fHighThreshold \|\| contp1>fHighThreshold){
	176	tzero+=cont*float(itb);
	177	rmsPeak+=contfloat(itb)float(itb);
	178	intCont+=cont;
	179	if(!isTbUsed[itb]){
	180	isTbUsed[itb]=1;
	181	++nTbUsed;
	182	}
	183	}
348f80b7	184	}
	185	}
	186	}
784a52ed	187	if(intCont>0){
	188	fTbZero=tzero/intCont;
	189	fRMSTbZero=TMath::Sqrt(rmsPeak/intCont-fTbZero*fTbZero);
	190	}
	191	if(nTbUsed==1) fRMSTbZero=0.5;
348f80b7	192	}
348f80b7	193	//______________________________________________________________________
9f026db8	194	void AliITSOnlineSDDInjectors::FitDriftSpeedVsAnode(){
9f026db8	195	// fits the anode dependence of drift speed with a polynomial function
4ff6aa93	196	const Int_t kNn=fPolOrder+1;
	197	Float_t *mat = new Float_t[kNn];
	198	for(Int_t i=0; i < kNn; i++) mat[i] = new Float_t[kNn];
	199	Float_t *vect = new Float_t[kNn];
9f026db8	200
4ff6aa93	201	for(Int_t k1=0;k1<kNn;k1++){
348f80b7	202	vect[k1]=0;
4ff6aa93	203	for(Int_t k2=0;k2<kNn;k2++){
348f80b7	204	mat[k1][k2]=0;
348f80b7	205	}
348f80b7	206	}
06bb3583	207	Int_t npts = 0;
4ff6aa93	208	for(Int_t k1=0;k1<kNn;k1++){
9f026db8	209	for(Int_t jpad=fFirstPadForFit; jpad<=fLastPadForFit; jpad++){
	210	Float_t x=(Float_t)GetAnodeNumber(jpad);
	211	if(fDriftSpeed[jpad]>0 && GetInjPadStatus(jpad)>fPadStatusCutForFit){
	212	vect[k1]+=fDriftSpeed[jpad]*TMath::Power(x,k1)/TMath::Power(fDriftSpeedErr[jpad],2);
06bb3583	213	if(k1==0) npts++;
9f026db8	214	for(Int_t k2=0;k2<kNn;k2++){
9f026db8	215	mat[k1][k2]+=TMath::Power(x,k1+k2)/TMath::Power(fDriftSpeedErr[jpad],2);
	216	}
	217	}
348f80b7	218	}
348f80b7	219	}
06bb3583	220	if(npts<fPolOrder+1){
	221	if(fParam) delete [] fParam;
	222	fParam=new Float_t[kNn];
	223	for(Int_t i=0; i<kNn;i++)fParam[i]=0;
	224	}else{
	225	Int_t *iPivot = new Int_t[kNn];
	226	Int_t *indxR = new Int_t[kNn];
	227	Int_t *indxC = new Int_t[kNn];
	228	for(Int_t i=0;i<kNn;i++) iPivot[i]=0;
	229	Int_t iCol=-1,iRow=-1;
	230	for(Int_t i=0;i<kNn;i++){
	231	Float_t big=0.;
	232	for(Int_t j=0;j<kNn;j++){
	233	if(iPivot[j]!=1){
	234	for(Int_t k=0;k<kNn;k++){
	235	if(iPivot[k]==0){
	236	if(TMath::Abs(mat[j][k])>=big){
	237	big=TMath::Abs(mat[j][k]);
	238	iRow=j;
	239	iCol=k;
	240	}
	241	}
348f80b7	242	}
	243	}
	244	}
06bb3583	245	iPivot[iCol]++;
	246	Float_t aux;
	247	if(iRow!=iCol){
	248	for(Int_t l=0;l<kNn;l++){
	249	aux=mat[iRow][l];
	250	mat[iRow][l]=mat[iCol][l];
	251	mat[iCol][l]=aux;
	252	}
	253	aux=vect[iRow];
	254	vect[iRow]=vect[iCol];
	255	vect[iCol]=aux;
348f80b7	256	}
06bb3583	257	indxR[i]=iRow;
	258	indxC[i]=iCol;
	259	if(mat[iCol][iCol]==0) break;
	260	Float_t pivinv=1./mat[iCol][iCol];
	261	mat[iCol][iCol]=1;
	262	for(Int_t l=0;l<kNn;l++) mat[iCol][l]*=pivinv;
	263	vect[iCol]*=pivinv;
	264	for(Int_t m=0;m<kNn;m++){
	265	if(m!=iCol){
	266	aux=mat[m][iCol];
	267	mat[m][iCol]=0;
	268	for(Int_t n=0;n<kNn;n++) mat[m][n]-=mat[iCol][n]*aux;
	269	vect[m]-=vect[iCol]*aux;
	270	}
	271	}
348f80b7	272	}
06bb3583	273	delete [] iPivot;
	274	delete [] indxR;
	275	delete [] indxC;
	276
	277
	278	if(fParam) delete [] fParam;
	279	fParam=new Float_t[kNn];
	280	for(Int_t i=0; i<kNn;i++)fParam[i]=vect[i];
348f80b7	281	}
348f80b7	282
4ff6aa93	283	for(Int_t i=0; i < kNn; i++) delete [] mat[i];
348f80b7	284	delete [] mat;
	285	delete [] vect;
	286	}
	287	//______________________________________________________________________
9f026db8	288	void AliITSOnlineSDDInjectors::CalcDriftSpeed(Int_t jpad){
348f80b7	289	//
	290	Float_t sumY=0,sumX=0,sumXX=0,sumYY=0.,sumXY=0,sumWEI=0.;
	291	Int_t npt=0;
9f026db8	292	Float_t y[kInjLines],ey[kInjLines];
348f80b7	293	Float_t tzero=0,erry=0;
9f026db8	294	for(Int_t i=0;i<kInjLines;i++){
	295	y[i]=fCentroid[jpad][i];
	296	ey[i]=fRMSCentroid[jpad][i];
348f80b7	297	}
9f026db8	298	for(Int_t i=0;i<kInjLines;i++){
9f026db8	299	if(fGoodInj[jpad][i] && ey[i]!=0){
348f80b7	300	sumY+=y[i]/ey[i]/ey[i];
	301	sumX+=fPosition[i]/ey[i]/ey[i];
	302	sumXX+=fPosition[i]*fPosition[i]/ey[i]/ey[i];
	303	sumYY+=y[i]*y[i]/ey[i]/ey[i];
	304	sumXY+=fPosition[i]*y[i]/ey[i]/ey[i];
	305	sumWEI+=1./ey[i]/ey[i];
	306	tzero=fTbZero/ey[i]/ey[i];
784a52ed	307	erry=ey[i]/ey[i]/ey[i];
348f80b7	308	npt++;
	309	}
	310	}
784a52ed	311	Float_t slope=0.,eslope=0.;
	312	if(npt==1){
	313	slope=(sumY-tzero)/sumX;
	314	eslope=erry/sumX;
	315	}
348f80b7	316	if(npt>1){
784a52ed	317	if(fUseTimeZeroSignal){
	318	sumY+=fTbZero/fRMSTbZero/fRMSTbZero;
	319	sumX+=0.;
	320	sumXX+=0.;
	321	sumYY+=fTbZero*fTbZero/fRMSTbZero/fRMSTbZero;
	322	sumXY+=0.;
	323	sumWEI+=1./fRMSTbZero/fRMSTbZero;
53855521	324	}
784a52ed	325	slope=(sumWEIsumXY-sumYsumX)/(sumWEIsumXX-sumXsumX);
784a52ed	326	eslope=TMath::Sqrt(sumWEI/(sumWEIsumXX-sumXsumX));
348f80b7	327	}
784a52ed	328
	329	Float_t vel=0,evel=0;
	330	if(slope!=0. && fTimeStep>0.){
	331	vel=1./slope*10000./fTimeStep;// micron/ns
	332	evel=eslope/slope/slope*10000./fTimeStep;// micron/ns
348f80b7	333	}
9f026db8	334	if(vel>fMaxDriftSpeed\|\|vel<fMinDriftSpeed \|\| evel>fMaxDriftSpeedErr){
348f80b7	335	vel=0.;
	336	evel=0.;
	337	}
9f026db8	338	fDriftSpeed[jpad]=vel;
9f026db8	339	fDriftSpeedErr[jpad]=evel;
348f80b7	340	}
348f80b7	341	//______________________________________________________________________
9f026db8	342	Int_t AliITSOnlineSDDInjectors::GetAnodeNumber(Int_t iInjPad) const{
61606350	343	// Injectors location along anodes:
	344	// Side left (UP) - channel 0: injectors on anodes 0,7,15,...,247,255
	345	// Side right (DOWN) - channel 1: injectors on anodes 0,8,16,...,248,255
348f80b7	346	Int_t ian=-1;
9f026db8	347	if(iInjPad>=kInjPads) return ian;
61606350	348	if(fSide==1){ // right side
9f026db8	349	ian=iInjPad*8;
9f026db8	350	if(iInjPad==32) ian--;
61606350	351	}else{ // left side
9f026db8	352	ian=iInjPad*8-1;
9f026db8	353	if(iInjPad==0) ian=0;
348f80b7	354	}
	355	return ian;
	356	}
84c6e6c0	357	//______________________________________________________________________
9f026db8	358	Int_t AliITSOnlineSDDInjectors::GetInjPadNumberFromAnode(Int_t nAnode) const{
84c6e6c0	359	//
9f026db8	360	Int_t iInjPad=-1;
61606350	361	if(fSide==1){ // right side
9f026db8	362	if(nAnode%8==0) iInjPad=nAnode/8;
9f026db8	363	if(nAnode==255) iInjPad=32;
61606350	364	}else{ // left side
9f026db8	365	if(nAnode%8==7) iInjPad=1+nAnode/8;
9f026db8	366	if(nAnode==0) iInjPad=0;
84c6e6c0	367	}
9f026db8	368	if(nAnode>=256) iInjPad=-1;
9f026db8	369	return iInjPad;
84c6e6c0	370	}
84c6e6c0	371	//______________________________________________________________________
9f026db8	372	Int_t AliITSOnlineSDDInjectors::GetInjPadStatus(Int_t jpad) const{
	373	// returns an integer value with status of injector lines for given pad/anode
	374	// status=7 --> 111 all injector are good
	375	// status=6 --> 110 1st line (close to anodes) is bad, other two are good
	376	// ....
	377	// status=1 --> 001 only 1st line (close to anodes) good
	378	// status=0 --> 000 all lines are bad
84c6e6c0	379	Int_t istatus=0;
9f026db8	380	if(jpad>=0 && jpad<kInjPads){
9f026db8	381	for(Int_t jlin=0;jlin<kInjLines;jlin++) istatus+=fGoodInj[jpad][jlin]<<jlin;
84c6e6c0	382	}
	383	return istatus;
	384	}
348f80b7	385	//______________________________________________________________________
	386	void AliITSOnlineSDDInjectors::FindGoodInjectors(){
	387	//
9f026db8	388	for(Int_t jpad=0;jpad<kInjPads;jpad++){
	389	Int_t ian=GetAnodeNumber(jpad);
	390	for(Int_t jlin=0;jlin<kInjLines;jlin++){
	391	for(Int_t jjj=fTbMin[jlin];jjj<fTbMax[jlin];jjj++){
348f80b7	392	Float_t c1=fHisto->GetBinContent(jjj,ian+1);
348f80b7	393	Float_t c2=fHisto->GetBinContent(jjj+1,ian+1);
a7996467	394	// Float_t c3=fHisto->GetBinContent(jjj+2,ian+1);
	395	if(c1>fLowThreshold && c2>fLowThreshold){
	396	if(c1>fHighThreshold \|\| c2>fHighThreshold){
	397	fGoodInj[jpad][jlin]=1;
	398	break;
	399	}
348f80b7	400	}
348f80b7	401	}
348f80b7	402	}
	403	}
	404	}
	405	//______________________________________________________________________
	406	void AliITSOnlineSDDInjectors::FindCentroids(){
	407	//
9f026db8	408	for(Int_t jpad=0;jpad<kInjPads;jpad++){
	409	Int_t ian=GetAnodeNumber(jpad);
	410	for(Int_t jlin=0;jlin<kInjLines;jlin++){
	411	if(!fGoodInj[jpad][jlin]) continue;
348f80b7	412	Float_t maxcont=0;
348f80b7	413	Int_t ilmax=-1;
9f026db8	414	for(Int_t jjj=fTbMin[jlin];jjj<fTbMax[jlin];jjj++){
348f80b7	415	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
	416	if(cont>maxcont){
	417	maxcont=cont;
	418	ilmax=jjj;
	419	}
	420	}
	421	Float_t intCont=0;
	422	Int_t jjj=ilmax;
	423	while(1){
	424	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
9f026db8	425	if(cont<fLowThreshold) break;
348f80b7	426	if(cont<fgkSaturation){
9f026db8	427	fCentroid[jpad][jlin]+=cont*(Float_t)jjj;
784a52ed	428	fRMSCentroid[jpad][jlin]+=cont(Float_t)jjj(Float_t)jjj;
348f80b7	429	intCont+=cont;
	430	}
	431	jjj--;
	432	}
	433	jjj=ilmax+1;
	434	while(1){
	435	Float_t cont=fHisto->GetBinContent(jjj,ian+1);
9f026db8	436	if(cont<fLowThreshold) break;
348f80b7	437	if(cont<fgkSaturation){
9f026db8	438	fCentroid[jpad][jlin]+=cont*float(jjj);
784a52ed	439	fRMSCentroid[jpad][jlin]+=cont(Float_t)jjj(Float_t)jjj;
348f80b7	440	intCont+=cont;
	441	}
	442	jjj++;
	443	}
	444	if(intCont>0){
9f026db8	445	fCentroid[jpad][jlin]/=intCont;
9f026db8	446	fRMSCentroid[jpad][jlin]=TMath::Sqrt(fRMSCentroid[jpad][jlin]/intCont-fCentroid[jpad][jlin]*fCentroid[jpad][jlin]);
348f80b7	447	}
348f80b7	448	else{
9f026db8	449	fCentroid[jpad][jlin]=0.;
	450	fRMSCentroid[jpad][jlin]=0.;
	451	fGoodInj[jpad][jlin]=0;
348f80b7	452	}
9f026db8	453	if(fRMSCentroid[jpad][jlin]==0) fGoodInj[jpad][jlin]=0;
348f80b7	454	}
	455	}
	456	}
	457	//______________________________________________________________________
9f026db8	458	void AliITSOnlineSDDInjectors::PrintInjectorStatus(){
348f80b7	459	//
9f026db8	460	for(Int_t jpad=0;jpad<kInjPads;jpad++){
9f026db8	461	printf("Line%d-Anode%d: %d %d %d\n",jpad,GetAnodeNumber(jpad),fGoodInj[jpad][0],fGoodInj[jpad][1],fGoodInj[jpad][2]);
348f80b7	462	}
	463	}
	464	//______________________________________________________________________
	465	void AliITSOnlineSDDInjectors::PrintCentroids(){
	466	//
9f026db8	467	for(Int_t jpad=0;jpad<kInjPads;jpad++){
9f026db8	468	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	469	}
	470	}
	471	//______________________________________________________________________
4c82df4c	472	void AliITSOnlineSDDInjectors::WriteToASCII(Int_t evNumb, UInt_t timeStamp, Int_t optAppend){
348f80b7	473	//
348f80b7	474	Char_t outfilnam[100];
979b5a5f	475	sprintf(outfilnam,"SDDinj_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
4c82df4c	476	FILE* outf;
18da6e54	477	if(optAppend==0){
	478	outf=fopen(outfilnam,"w");
	479	fprintf(outf,"%d\n",fPolOrder);
	480	}
4c82df4c	481	else outf=fopen(outfilnam,"a");
4c82df4c	482	fprintf(outf,"%d %d ",evNumb,timeStamp);
348f80b7	483	for(Int_t ic=0;ic<fPolOrder+1;ic++){
	484	fprintf(outf,"%G ",fParam[ic]);
	485	}
	486	fprintf(outf,"\n");
	487	fclose(outf);
	488	}