[u/mrichter/AliRoot.git] / TPC / AliTPCParamSR.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, 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.                  *
 **************************************************************************/

/* $Id$ */

///////////////////////////////////////////////////////////////////////
//  Manager and of geomety  classes for set: TPC                     //
//                                                                   //
//  !sectors are numbered from  0                                     //
//  !pad rows are numbered from 0                                     //
//  
//  27.7.   - AliTPCPaaramSr object for TPC 
//            TPC with straight pad rows 
//  Origin:  Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk // 
//                                                                   //  
///////////////////////////////////////////////////////////////////////

//#include <Riostream.h>
#include <TMath.h>

#include "AliTPCPRF2D.h"
#include "AliTPCParamSR.h"
#include "AliTPCRF1D.h"
#include "TH1.h"

ClassImp(AliTPCParamSR)
static const  Int_t kMaxRows=600;
static const  Float_t  kEdgeSectorSpace = 2.5;
static const Float_t kFacSigmaPadRow=3.;
static const Float_t kFacSigmaPad=3.;
static const Float_t kFacSigmaTime=3.;


AliTPCParamSR::AliTPCParamSR()
{   
  //
  //constructor set the default parameters
  fInnerPRF=0;
  fOuter1PRF=0;
  fOuter2PRF=0;
  fTimeRF = 0;
  fFacSigmaPadRow = Float_t(kFacSigmaPadRow);
  fFacSigmaPad = Float_t(kFacSigmaPad);
  fFacSigmaTime = Float_t(kFacSigmaTime);
  SetDefault();
  Update();
}

AliTPCParamSR::~AliTPCParamSR()
{
  //
  //destructor destroy some dynmicaly alocated variables
  if (fInnerPRF != 0) delete fInnerPRF;
  if (fOuter1PRF != 0) delete fOuter1PRF;
  if (fOuter2PRF != 0) delete fOuter2PRF;
  if (fTimeRF != 0) delete fTimeRF;
}

void AliTPCParamSR::SetDefault()
{
  //set default TPC param   
  fbStatus = kFALSE;
  AliTPCParam::SetDefault();  
}  

Int_t  AliTPCParamSR::CalcResponse(Float_t* xyz, Int_t * index, Int_t row)
{
  //
  //calculate bin response as function of the input position -x 
  //return number of valid response bin
  //
  //we suppose that coordinate is expressed in float digits 
  // it's mean coordinate system 8
  //xyz[0] - float padrow xyz[1] is float pad  (center pad is number 0) and xyz[2] is float time bin
  //xyz[3] - electron time in float time bin format
  if ( (fInnerPRF==0)||(fOuter1PRF==0)||(fOuter2PRF==0) ||(fTimeRF==0) ){ 
    Error("AliTPCParamSR", "response function was not adjusted");
    return -1;
  }
  
  Float_t sfpadrow;   // sigma of response function
  Float_t sfpad;      // sigma  of 
  Float_t sftime= fFacSigmaTime*fTimeRF->GetSigma()/fZWidth;     //3 sigma of time response
  if (index[1]<fNInnerSector){
    sfpadrow =fFacSigmaPadRow*fInnerPRF->GetSigmaY()/fInnerPadPitchLength;
    sfpad    =fFacSigmaPad*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth;
  }
  else{
  if(row<fNRowUp1){
    sfpadrow =fFacSigmaPadRow*fOuter1PRF->GetSigmaY()/fOuter1PadPitchLength;
    sfpad    =fFacSigmaPad*fOuter1PRF->GetSigmaX()/fOuterPadPitchWidth;}
    else{
      sfpadrow =fFacSigmaPadRow*fOuter2PRF->GetSigmaY()/fOuter2PadPitchLength;
      sfpad    =fFacSigmaPad*fOuter2PRF->GetSigmaX()/fOuterPadPitchWidth;
    }   
  }

  Int_t fpadrow = TMath::Max(TMath::Nint(index[2]+xyz[0]-sfpadrow),0);  //"first" padrow
  Int_t fpad    = TMath::Nint(xyz[1]-sfpad);     //first pad
  Int_t ftime   = TMath::Max(TMath::Nint(xyz[2]+xyz[3]+GetZOffset()/GetZWidth()-sftime),0);  // first time
  Int_t lpadrow = TMath::Min(TMath::Nint(index[2]+xyz[0]+sfpadrow),fpadrow+19);  //"last" padrow
  lpadrow       = TMath::Min(GetNRow(index[1])-1,lpadrow);
  Int_t lpad    = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19);     //last pad
  Int_t ltime   = TMath::Min(TMath::Nint(xyz[2]+xyz[3]+GetZOffset()/GetZWidth()+sftime),ftime+19);    // last time
  ltime         = TMath::Min(ltime,GetMaxTBin()-1); 
  // 
  Int_t npads = GetNPads(index[1],row);
  if (fpad<-npads/2) 
    fpad = -npads/2;
  if (lpad>npads/2) 
    lpad= npads/2;
  if (ftime<0) ftime=0;
  // 
  if (row>=0) { //if we are interesting about given pad row
    if (fpadrow<=row) fpadrow =row;
    else 
      return 0;
    if (lpadrow>=row) lpadrow = row;
    else 
      return 0;
  }

 
  Float_t  padres[20][20];  //I don't expect bigger number of bins
  Float_t  timeres[20];     
  Int_t cindex3=0;
  Int_t cindex=0;
  Float_t cweight = 0;
  if (fpadrow>=0) {
  //calculate padresponse function    
  Int_t padrow, pad;
  for (padrow = fpadrow;padrow<=lpadrow;padrow++)
    for (pad = fpad;pad<=lpad;pad++){
      Float_t dy = (xyz[0]+Float_t(index[2]-padrow));
      Float_t dx = (xyz[1]+Float_t(pad));
      if (index[1]<fNInnerSector)
	padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dx*fInnerPadPitchWidth,dy*fInnerPadPitchLength);
      else{
	if(row<fNRowUp1){
	padres[padrow-fpadrow][pad-fpad]=fOuter1PRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuter1PadPitchLength);}
	else{
	  padres[padrow-fpadrow][pad-fpad]=fOuter2PRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuter2PadPitchLength);}}}
  //calculate time response function
  Int_t time;
  for (time = ftime;time<=ltime;time++) 
    timeres[time-ftime]= fTimeRF->GetRF((-xyz[2]-xyz[3]+Float_t(time))*fZWidth);     
  //write over threshold values to stack
  for (padrow = fpadrow;padrow<=lpadrow;padrow++)
    for (pad = fpad;pad<=lpad;pad++)
      for (time = ftime;time<=ltime;time++){
	cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad];
	if (cweight>fResponseThreshold) {
	  fResponseBin[cindex3]=padrow;
	  fResponseBin[cindex3+1]=pad;
	  fResponseBin[cindex3+2]=time;
	  cindex3+=3;  
	  fResponseWeight[cindex]=cweight;
	  cindex++;
	}
      }
  }
  fCurrentMax=cindex;	
  return fCurrentMax;
}

void AliTPCParamSR::TransformTo8(Float_t *xyz, Int_t *index) const
{
  //
  // transformate point to digit coordinate
  //
  if (index[0]==0) Transform0to1(xyz,index);
  if (index[0]==1) Transform1to2(xyz,index);
  if (index[0]==2) Transform2to3(xyz,index);
  if (index[0]==3) Transform3to4(xyz,index);
  if (index[0]==4) Transform4to8(xyz,index);
}

void AliTPCParamSR::TransformTo2(Float_t *xyz, Int_t *index) const
{
  //
  //transformate point to rotated coordinate
  //
  //we suppose that   
  if (index[0]==0) Transform0to1(xyz,index);
  if (index[0]==1) Transform1to2(xyz,index);
  if (index[0]==4) Transform4to3(xyz,index);
  if (index[0]==8) {  //if we are in digit coordinate system transform to global
    Transform8to4(xyz,index);
    Transform4to3(xyz,index);  
  }
}

void AliTPCParamSR::CRXYZtoXYZ(Float_t *xyz,
	       const Int_t &sector, const Int_t & padrow, Int_t option) const  
{  
  //transform relative coordinates to absolute
  Bool_t rel = ( (option&2)!=0);
  Int_t index[2]={sector,padrow};
  if (rel==kTRUE)      Transform4to3(xyz,index);//if the position is relative to pad row  
  Transform2to1(xyz,index);
}

void AliTPCParamSR::XYZtoCRXYZ(Float_t *xyz,
			     Int_t &sector, Int_t & padrow, Int_t option) const
{
   //transform global position to the position relative to the sector padrow
  //if option=0  X calculate absolute            calculate sector
  //if option=1  X           absolute            use input sector
  //if option=2  X           relative to pad row calculate sector
  //if option=3  X           relative            use input sector
  //!!!!!!!!! WE start to calculate rows from row = 0
  Int_t index[2];
  Bool_t rel = ( (option&2)!=0);  

  //option 0 and 2  means that we don't have information about sector
  if ((option&1)==0)   Transform0to1(xyz,index);  //we calculate sector number 
  else
    index[0]=sector;
  Transform1to2(xyz,index);
  Transform2to3(xyz,index);
  //if we store relative position calculate position relative to pad row
  if (rel==kTRUE) Transform3to4(xyz,index);
  sector = index[0];
  padrow = index[1];
}

Float_t AliTPCParamSR::GetPrimaryLoss(Float_t */*x*/, Int_t *index, Float_t *angle)
{
  //
  //
  Float_t padlength=GetPadPitchLength(index[1]);
  Float_t a1=TMath::Sin(angle[0]);
  a1*=a1;
  Float_t a2=TMath::Sin(angle[1]);
  a2*=a2;
  Float_t length =padlength*TMath::Sqrt(1+a1+a2);
  return length*fNPrimLoss;
}

Float_t AliTPCParamSR::GetTotalLoss(Float_t */*x*/, Int_t *index, Float_t *angle)
{
  //
  //
  Float_t padlength=GetPadPitchLength(index[1]);
  Float_t a1=TMath::Sin(angle[0]);
  a1*=a1;
  Float_t a2=TMath::Sin(angle[1]);
  a2*=a2;
  Float_t length =padlength*TMath::Sqrt(1+a1+a2);
  return length*fNTotalLoss;
  
}


void AliTPCParamSR::GetClusterSize(Float_t *x, Int_t *index, Float_t */*angle*/, Int_t /*mode*/, Float_t *sigma)
{
  //
  //return cluster sigma2 (x,y) for particle at position x
  // in this case x coordinata is in drift direction
  //and y in pad row direction
  //we suppose that input coordinate system is digit system
   
  Float_t  xx;
  Float_t lx[3] = {x[0],x[1],x[2]};
  Int_t   li[3] = {index[0],index[1],index[2]};
  TransformTo2(lx,li);
  //  Float_t  sigmadiff;
  sigma[0]=0;
  sigma[1]=0;
  
  xx = lx[2];  //calculate drift length in cm
  if (xx>0) {
    sigma[0]+= xx*GetDiffL()*GetDiffL();
    sigma[1]+= xx*GetDiffT()*GetDiffT(); 
  }


  //sigma[0]=sigma[1]=0;
  if (GetTimeRF()!=0) sigma[0]+=GetTimeRF()->GetSigma()*GetTimeRF()->GetSigma();
  if ( (index[1]<fNInnerSector) &&(GetInnerPRF()!=0))   
    sigma[1]+=GetInnerPRF()->GetSigmaX()*GetInnerPRF()->GetSigmaX();
  if ( (index[1]>=fNInnerSector) &&(index[2]<fNRowUp1) && (GetOuter1PRF()!=0))
    sigma[1]+=GetOuter1PRF()->GetSigmaX()*GetOuter1PRF()->GetSigmaX();
  if( (index[1]>=fNInnerSector) &&(index[2]>=fNRowUp1) && (GetOuter2PRF()!=0))
    sigma[1]+=GetOuter2PRF()->GetSigmaX()*GetOuter2PRF()->GetSigmaX();


  sigma[0]/= GetZWidth()*GetZWidth();
  sigma[1]/=GetPadPitchWidth(index[0])*GetPadPitchWidth(index[0]);
}


void AliTPCParamSR::GetSpaceResolution(Float_t */*x*/, Int_t */*index*/, Float_t */*angle*/, 
				       Float_t /*amplitude*/, Int_t /*mode*/, Float_t */*sigma*/)
{
  //
  //
  //
  
}
Float_t  AliTPCParamSR::GetAmp(Float_t */*x*/, Int_t */*index*/, Float_t */*angle*/)
{
  //
  //
  //
  return 0;
}

Float_t * AliTPCParamSR::GetAnglesAccMomentum(Float_t *x, Int_t * index, Float_t* momentum, Float_t *angle)
{
  //
  //calculate angle of track to padrow at given position
  // for given magnetic field and momentum of the particle
  //

  TransformTo2(x,index);
  AliDetectorParam::GetAnglesAccMomentum(x,index,momentum,angle);    
  Float_t addangle = TMath::ASin(x[1]/GetPadRowRadii(index[1],index[2]));
  angle[1] +=addangle;
  return angle;				 
}

         
Bool_t AliTPCParamSR::Update()
{
  Int_t i;
  if (AliTPCParam::Update()==kFALSE) return kFALSE;
  fbStatus = kFALSE;

 Float_t firstrow = fInnerRadiusLow + 2.225 ;   
 for( i= 0;i<fNRowLow;i++)
   {
     Float_t x = firstrow + fInnerPadPitchLength*(Float_t)i;  
     fPadRowLow[i]=x;
     // number of pads per row
     Float_t y = (x-0.5*fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount-
       fInnerPadPitchWidth/2.;
     // 0 and fNRowLow+1 reserved for cross talk rows
     fYInner[i+1]  = x*tan(fInnerAngle/2.)-fInnerWireMount;
     fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ;
   }
 // cross talk rows
 fYInner[0]=(fPadRowLow[0]-fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount;
 fYInner[fNRowLow+1]=(fPadRowLow[fNRowLow-1]+fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount; 
 firstrow = fOuterRadiusLow + 1.6;
 for(i=0;i<fNRowUp;i++)
   {
     if(i<fNRowUp1){
       Float_t x = firstrow + fOuter1PadPitchLength*(Float_t)i; 
       fPadRowUp[i]=x;
    Float_t y =(x-0.5*fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount-
	  fOuterPadPitchWidth/2.;
     fYOuter[i+1]= x*tan(fOuterAngle/2.)-fOuterWireMount;
     fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
     if(i==fNRowUp1-1) {
       fLastWireUp1=fPadRowUp[i] +0.375;
       firstrow = fPadRowUp[i] + 0.5*(fOuter1PadPitchLength+fOuter2PadPitchLength);
     }
     }
     else
       {
	 Float_t x = firstrow + fOuter2PadPitchLength*(Float_t)(i-64);
         fPadRowUp[i]=x;
Float_t y =(x-0.5*fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount-
	   fOuterPadPitchWidth/2.;
         fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ; 
       }
     fYOuter[i+1]  = fPadRowUp[i]*tan(fOuterAngle/2.)-fOuterWireMount;
   }
 // cross talk rows
 fYOuter[0]=(fPadRowUp[0]-fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount;
 fYOuter[fNRowUp+1]=(fPadRowUp[fNRowUp-1]+fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount;
 fNtRows = fNInnerSector*fNRowLow+fNOuterSector*fNRowUp;
 fbStatus = kTRUE;
 return kTRUE;
}
Float_t AliTPCParamSR::GetYInner(Int_t irow) const
{
  return fYInner[irow];
}
Float_t AliTPCParamSR::GetYOuter(Int_t irow) const
{
  return fYOuter[irow];
}

void AliTPCParamSR::Streamer(TBuffer &R__b)
{
   // Stream an object of class AliTPC.

   if (R__b.IsReading()) {
      Version_t R__v = R__b.ReadVersion(); if (R__v) { }
      //      TObject::Streamer(R__b);
      AliTPCParam::Streamer(R__b);
      //      if (R__v < 2) return;
       Update();
   } else {
      R__b.WriteVersion(AliTPCParamSR::IsA());
      //TObject::Streamer(R__b);  
      AliTPCParam::Streamer(R__b);    
   }
}
Int_t  AliTPCParamSR::CalcResponseFast(Float_t* xyz, Int_t * index, Int_t row)
{
  //
  //calculate bin response as function of the input position -x 
  //return number of valid response bin
  //
  //we suppose that coordinate is expressed in float digits 
  // it's mean coordinate system 8
  //xyz[0] - electron position w.r.t. pad center, normalized to pad length,
  //xyz[1] is float pad  (center pad is number 0) and xyz[2] is float time bin
  //xyz[3] - electron time in float time bin format
  if ( (fInnerPRF==0)||(fOuter1PRF==0)||(fOuter2PRF==0) ||(fTimeRF==0) ){ 
    Error("AliTPCParamSR", "response function was not adjusted");
    return -1;
  }
  
  const Int_t kpadn =  500;
  const Float_t kfpadn =  500.;
  const Int_t ktimen = 500;
  const Float_t kftimen = 500.;
  const Int_t kpadrn = 500;
  const Float_t kfpadrn = 500.;

 
  static Float_t prfinner[2*kpadrn][5*kpadn];  //pad divided by 50
  static Float_t prfouter1[2*kpadrn][5*kpadn];  //prfouter division
  static Float_t prfouter2[2*kpadrn][5*kpadn];

  static Float_t rftime[5*ktimen];         //time division
  static Int_t blabla=0;
  static Float_t zoffset=0;
  static Float_t zwidth=0;
  static Float_t zoffset2=0;
  static TH1F * hdiff=0;
  static TH1F * hdiff1=0;
  static TH1F * hdiff2=0;
  
  if (blabla==0) {  //calculate Response function - only at the begginning
    hdiff =new TH1F("prf_diff","prf_diff",10000,-1,1);
    hdiff1 =new TH1F("no_repsonse1","no_response1",10000,-1,1);
    hdiff2 =new TH1F("no_response2","no_response2",10000,-1,1);
    
    blabla=1;
    zoffset = GetZOffset();
    zwidth  = fZWidth;
    zoffset2 = zoffset/zwidth;
    for (Int_t i=0;i<5*ktimen;i++){
      rftime[i] = fTimeRF->GetRF(((i-2.5*kftimen)/kftimen)*zwidth+zoffset);
    }
    for (Int_t i=0;i<5*kpadn;i++){    
      for (Int_t j=0;j<2*kpadrn;j++){
	prfinner[j][i] =
	  fInnerPRF->GetPRF((i-2.5*kfpadn)/kfpadn
			    *fInnerPadPitchWidth,(j-kfpadrn)/kfpadrn*fInnerPadPitchLength);
	prfouter1[j][i] =
	  fOuter1PRF->GetPRF((i-2.5*kfpadn)/kfpadn
			    *fOuterPadPitchWidth,(j-kfpadrn)/kfpadrn*fOuter1PadPitchLength);

	//
	prfouter2[j][i] =
	  fOuter2PRF->GetPRF((i-2.5*kfpadn)/kfpadn
			    *fOuterPadPitchWidth,(j-kfpadrn)/kfpadrn*fOuter2PadPitchLength);
      }
    }      
  } // the above is calculated only once

  // calculate central padrow, pad, time
  Int_t npads = GetNPads(index[1],index[3]-1);
  Int_t cpadrow = index[2]; // electrons are here
  Int_t cpad    = TMath::Nint(xyz[1]);
  Int_t ctime   = TMath::Nint(xyz[2]+zoffset2+xyz[3]);
  //calulate deviation
  Float_t dpadrow = xyz[0];
  Float_t dpad    = xyz[1]-cpad;
  Float_t dtime   = xyz[2]+zoffset2+xyz[3]-ctime;
  Int_t cindex =0;
  Int_t cindex3 =0;
  Int_t maxt =GetMaxTBin();

  Int_t fpadrow;
  Int_t lpadrow;

  if (row>=0) { //if we are interesting about given pad row
    fpadrow = row-cpadrow;
    lpadrow = row-cpadrow;
  }else{
    fpadrow = (index[2]>1) ? -1 :0;
    lpadrow = (index[2]<GetNRow(index[1])-1) ? 1:0;
  }
  Int_t fpad =  (cpad > -npads/2+1) ? -2: -npads/2-cpad;
  Int_t lpad =  (cpad < npads/2-1)  ?  2: npads/2-cpad;
  Int_t ftime =  (ctime>1) ? -2: -ctime;
  Int_t ltime =  (ctime<maxt-2) ? 2: maxt-ctime-1;

  // cross talk from long pad to short one
  if(row==fNRowUp1 && fpadrow==-1) {
    dpadrow *= fOuter2PadPitchLength;
    dpadrow += fOuterWWPitch;
    dpadrow /= fOuter1PadPitchLength;
  }    
  // cross talk from short pad to long one
  if(row==fNRowUp1+1 && fpadrow==1){ 
    dpadrow *= fOuter1PadPitchLength;
    if(dpadrow < 0.) dpadrow = -1.; //protection against 3rd wire
    dpadrow += fOuterWWPitch;
    dpadrow /= fOuter2PadPitchLength;
    
  }
  // "normal"
  Int_t apadrow = TMath::Nint((dpadrow-fpadrow)*kfpadrn+kfpadrn);
  for (Int_t ipadrow = fpadrow; ipadrow<=lpadrow;ipadrow++){
    if ( (apadrow<0) || (apadrow>=2*kpadrn)) 
      continue;
    Int_t apad= TMath::Nint((dpad-fpad)*kfpadn+2.5*kfpadn);
    for (Int_t ipad = fpad; ipad<=lpad;ipad++){
	Float_t cweight;
	if (index[1]<fNInnerSector)
	  cweight=prfinner[apadrow][apad];
	else{
	  if(row < fNRowUp1+1)
	    cweight=prfouter1[apadrow][apad];
          else cweight=prfouter2[apadrow][apad];
	}

	//	if (cweight<fResponseThreshold) continue;
	Int_t atime = TMath::Nint((dtime-ftime)*kftimen+2.5*kftimen);
	for (Int_t itime = ftime;itime<=ltime;itime++){	
	  Float_t cweight2 = cweight*rftime[atime];
	  if (cweight2>fResponseThreshold) {
	    fResponseBin[cindex3++]=cpadrow+ipadrow;
	    fResponseBin[cindex3++]=cpad+ipad;
	    fResponseBin[cindex3++]=ctime+itime;
	    fResponseWeight[cindex++]=cweight2;
	    
	    if (cweight2>100) 
	      {
		printf("Pici pici %d %f %d\n",ipad,dpad,apad);
	      }
	    
	  }
	  atime-=ktimen;
	}
	apad-= kpadn;	
    }
    apadrow-=kpadrn;
  }
  fCurrentMax=cindex;	
  return fCurrentMax;    
  
}
Commit	Line	Data
cc80f89e	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, 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
88cb7938	16	/* $Id$ */
cc80f89e	17
	18	///////////////////////////////////////////////////////////////////////
	19	// Manager and of geomety classes for set: TPC //
	20	// //
	21	// !sectors are numbered from 0 //
	22	// !pad rows are numbered from 0 //
	23	//
	24	// 27.7. - AliTPCPaaramSr object for TPC
	25	// TPC with straight pad rows
	26	// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
	27	// //
	28	///////////////////////////////////////////////////////////////////////
	29
b4de2219	30	//#include <Riostream.h>
cc80f89e	31	#include <TMath.h>
b4de2219	32
73042f01	33	#include "AliTPCPRF2D.h"
b4de2219	34	#include "AliTPCParamSR.h"
73042f01	35	#include "AliTPCRF1D.h"
de61d5d5	36	#include "TH1.h"
cc80f89e	37
cc80f89e	38	ClassImp(AliTPCParamSR)
176aff27	39	static const Int_t kMaxRows=600;
	40	static const Float_t kEdgeSectorSpace = 2.5;
	41	static const Float_t kFacSigmaPadRow=3.;
	42	static const Float_t kFacSigmaPad=3.;
	43	static const Float_t kFacSigmaTime=3.;
cc80f89e	44
	45
	46	AliTPCParamSR::AliTPCParamSR()
	47	{
	48	//
	49	//constructor set the default parameters
	50	fInnerPRF=0;
f03e3423	51	fOuter1PRF=0;
f03e3423	52	fOuter2PRF=0;
cc80f89e	53	fTimeRF = 0;
	54	fFacSigmaPadRow = Float_t(kFacSigmaPadRow);
	55	fFacSigmaPad = Float_t(kFacSigmaPad);
	56	fFacSigmaTime = Float_t(kFacSigmaTime);
cc80f89e	57	SetDefault();
	58	Update();
	59	}
	60
	61	AliTPCParamSR::~AliTPCParamSR()
	62	{
	63	//
	64	//destructor destroy some dynmicaly alocated variables
	65	if (fInnerPRF != 0) delete fInnerPRF;
f03e3423	66	if (fOuter1PRF != 0) delete fOuter1PRF;
f03e3423	67	if (fOuter2PRF != 0) delete fOuter2PRF;
cc80f89e	68	if (fTimeRF != 0) delete fTimeRF;
	69	}
	70
	71	void AliTPCParamSR::SetDefault()
	72	{
	73	//set default TPC param
	74	fbStatus = kFALSE;
	75	AliTPCParam::SetDefault();
	76	}
	77
	78	Int_t AliTPCParamSR::CalcResponse(Float_t* xyz, Int_t * index, Int_t row)
	79	{
	80	//
	81	//calculate bin response as function of the input position -x
	82	//return number of valid response bin
	83	//
	84	//we suppose that coordinate is expressed in float digits
	85	// it's mean coordinate system 8
	86	//xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin
e61fd20d	87	//xyz[3] - electron time in float time bin format
f03e3423	88	if ( (fInnerPRF==0)\|\|(fOuter1PRF==0)\|\|(fOuter2PRF==0) \|\|(fTimeRF==0) ){
cc80f89e	89	Error("AliTPCParamSR", "response function was not adjusted");
	90	return -1;
	91	}
	92
	93	Float_t sfpadrow; // sigma of response function
	94	Float_t sfpad; // sigma of
	95	Float_t sftime= fFacSigmaTime*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response
	96	if (index[1]<fNInnerSector){
	97	sfpadrow =fFacSigmaPadRow*fInnerPRF->GetSigmaY()/fInnerPadPitchLength;
	98	sfpad =fFacSigmaPad*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth;
f03e3423	99	}
	100	else{
	101	if(row<fNRowUp1){
	102	sfpadrow =fFacSigmaPadRow*fOuter1PRF->GetSigmaY()/fOuter1PadPitchLength;
	103	sfpad =fFacSigmaPad*fOuter1PRF->GetSigmaX()/fOuterPadPitchWidth;}
	104	else{
	105	sfpadrow =fFacSigmaPadRow*fOuter2PRF->GetSigmaY()/fOuter2PadPitchLength;
	106	sfpad =fFacSigmaPad*fOuter2PRF->GetSigmaX()/fOuterPadPitchWidth;
	107	}
cc80f89e	108	}
	109
	110	Int_t fpadrow = TMath::Max(TMath::Nint(index[2]+xyz[0]-sfpadrow),0); //"first" padrow
	111	Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad
e61fd20d	112	Int_t ftime = TMath::Max(TMath::Nint(xyz[2]+xyz[3]+GetZOffset()/GetZWidth()-sftime),0); // first time
cc80f89e	113	Int_t lpadrow = TMath::Min(TMath::Nint(index[2]+xyz[0]+sfpadrow),fpadrow+19); //"last" padrow
	114	lpadrow = TMath::Min(GetNRow(index[1])-1,lpadrow);
	115	Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad
e61fd20d	116	Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+xyz[3]+GetZOffset()/GetZWidth()+sftime),ftime+19); // last time
cc80f89e	117	ltime = TMath::Min(ltime,GetMaxTBin()-1);
de61d5d5	118	//
	119	Int_t npads = GetNPads(index[1],row);
	120	if (fpad<-npads/2)
	121	fpad = -npads/2;
	122	if (lpad>npads/2)
	123	lpad= npads/2;
	124	if (ftime<0) ftime=0;
	125	//
cc80f89e	126	if (row>=0) { //if we are interesting about given pad row
	127	if (fpadrow<=row) fpadrow =row;
	128	else
	129	return 0;
	130	if (lpadrow>=row) lpadrow = row;
	131	else
	132	return 0;
	133	}
	134
	135
	136	Float_t padres[20][20]; //I don't expect bigger number of bins
	137	Float_t timeres[20];
	138	Int_t cindex3=0;
	139	Int_t cindex=0;
	140	Float_t cweight = 0;
	141	if (fpadrow>=0) {
	142	//calculate padresponse function
	143	Int_t padrow, pad;
	144	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	145	for (pad = fpad;pad<=lpad;pad++){
f03e3423	146	Float_t dy = (xyz[0]+Float_t(index[2]-padrow));
f03e3423	147	Float_t dx = (xyz[1]+Float_t(pad));
cc80f89e	148	if (index[1]<fNInnerSector)
cc80f89e	149	padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dxfInnerPadPitchWidth,dyfInnerPadPitchLength);
f03e3423	150	else{
	151	if(row<fNRowUp1){
	152	padres[padrow-fpadrow][pad-fpad]=fOuter1PRF->GetPRF(dxfOuterPadPitchWidth,dyfOuter1PadPitchLength);}
	153	else{
	154	padres[padrow-fpadrow][pad-fpad]=fOuter2PRF->GetPRF(dxfOuterPadPitchWidth,dyfOuter2PadPitchLength);}}}
cc80f89e	155	//calculate time response function
	156	Int_t time;
	157	for (time = ftime;time<=ltime;time++)
e61fd20d	158	timeres[time-ftime]= fTimeRF->GetRF((-xyz[2]-xyz[3]+Float_t(time))*fZWidth);
cc80f89e	159	//write over threshold values to stack
	160	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	161	for (pad = fpad;pad<=lpad;pad++)
	162	for (time = ftime;time<=ltime;time++){
	163	cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad];
	164	if (cweight>fResponseThreshold) {
	165	fResponseBin[cindex3]=padrow;
	166	fResponseBin[cindex3+1]=pad;
	167	fResponseBin[cindex3+2]=time;
	168	cindex3+=3;
	169	fResponseWeight[cindex]=cweight;
	170	cindex++;
	171	}
	172	}
	173	}
	174	fCurrentMax=cindex;
	175	return fCurrentMax;
	176	}
	177
	178	void AliTPCParamSR::TransformTo8(Float_t xyz, Int_t index) const
	179	{
	180	//
	181	// transformate point to digit coordinate
	182	//
	183	if (index[0]==0) Transform0to1(xyz,index);
	184	if (index[0]==1) Transform1to2(xyz,index);
	185	if (index[0]==2) Transform2to3(xyz,index);
	186	if (index[0]==3) Transform3to4(xyz,index);
	187	if (index[0]==4) Transform4to8(xyz,index);
	188	}
	189
	190	void AliTPCParamSR::TransformTo2(Float_t xyz, Int_t index) const
	191	{
	192	//
	193	//transformate point to rotated coordinate
	194	//
	195	//we suppose that
	196	if (index[0]==0) Transform0to1(xyz,index);
	197	if (index[0]==1) Transform1to2(xyz,index);
	198	if (index[0]==4) Transform4to3(xyz,index);
	199	if (index[0]==8) { //if we are in digit coordinate system transform to global
	200	Transform8to4(xyz,index);
	201	Transform4to3(xyz,index);
	202	}
	203	}
	204
	205	void AliTPCParamSR::CRXYZtoXYZ(Float_t *xyz,
	206	const Int_t &sector, const Int_t & padrow, Int_t option) const
	207	{
	208	//transform relative coordinates to absolute
	209	Bool_t rel = ( (option&2)!=0);
	210	Int_t index[2]={sector,padrow};
	211	if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row
	212	Transform2to1(xyz,index);
	213	}
	214
	215	void AliTPCParamSR::XYZtoCRXYZ(Float_t *xyz,
	216	Int_t &sector, Int_t & padrow, Int_t option) const
	217	{
	218	//transform global position to the position relative to the sector padrow
	219	//if option=0 X calculate absolute calculate sector
	220	//if option=1 X absolute use input sector
	221	//if option=2 X relative to pad row calculate sector
	222	//if option=3 X relative use input sector
223	//!!!!!!!!! WE start to calculate rows from row = 0
224	Int_t index[2];
225	Bool_t rel = ( (option&2)!=0);
226
227	//option 0 and 2 means that we don't have information about sector
228	if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number
229	else
230	index[0]=sector;
231	Transform1to2(xyz,index);
232	Transform2to3(xyz,index);
233	//if we store relative position calculate position relative to pad row
234	if (rel==kTRUE) Transform3to4(xyz,index);
235	sector = index[0];
236	padrow = index[1];
237	}
238
176aff27	239	Float_t AliTPCParamSR::GetPrimaryLoss(Float_t /x/, Int_t index, Float_t *angle)
cc80f89e	240	{
	241	//
	242	//
	243	Float_t padlength=GetPadPitchLength(index[1]);
	244	Float_t a1=TMath::Sin(angle[0]);
	245	a1*=a1;
	246	Float_t a2=TMath::Sin(angle[1]);
	247	a2*=a2;
	248	Float_t length =padlength*TMath::Sqrt(1+a1+a2);
	249	return length*fNPrimLoss;
	250	}
	251
176aff27	252	Float_t AliTPCParamSR::GetTotalLoss(Float_t /x/, Int_t index, Float_t *angle)
cc80f89e	253	{
	254	//
	255	//
	256	Float_t padlength=GetPadPitchLength(index[1]);
	257	Float_t a1=TMath::Sin(angle[0]);
	258	a1*=a1;
	259	Float_t a2=TMath::Sin(angle[1]);
	260	a2*=a2;
	261	Float_t length =padlength*TMath::Sqrt(1+a1+a2);
	262	return length*fNTotalLoss;
	263
	264	}
	265
	266
176aff27	267	void AliTPCParamSR::GetClusterSize(Float_t x, Int_t index, Float_t /angle/, Int_t /mode/, Float_t sigma)
cc80f89e	268	{
	269	//
	270	//return cluster sigma2 (x,y) for particle at position x
	271	// in this case x coordinata is in drift direction
	272	//and y in pad row direction
	273	//we suppose that input coordinate system is digit system
	274
	275	Float_t xx;
	276	Float_t lx[3] = {x[0],x[1],x[2]};
	277	Int_t li[3] = {index[0],index[1],index[2]};
	278	TransformTo2(lx,li);
	279	// Float_t sigmadiff;
	280	sigma[0]=0;
	281	sigma[1]=0;
	282
	283	xx = lx[2]; //calculate drift length in cm
	284	if (xx>0) {
	285	sigma[0]+= xxGetDiffL()GetDiffL();
	286	sigma[1]+= xxGetDiffT()GetDiffT();
	287	}
	288
	289
	290	//sigma[0]=sigma[1]=0;
	291	if (GetTimeRF()!=0) sigma[0]+=GetTimeRF()->GetSigma()*GetTimeRF()->GetSigma();
	292	if ( (index[1]<fNInnerSector) &&(GetInnerPRF()!=0))
	293	sigma[1]+=GetInnerPRF()->GetSigmaX()*GetInnerPRF()->GetSigmaX();
f03e3423	294	if ( (index[1]>=fNInnerSector) &&(index[2]<fNRowUp1) && (GetOuter1PRF()!=0))
	295	sigma[1]+=GetOuter1PRF()->GetSigmaX()*GetOuter1PRF()->GetSigmaX();
	296	if( (index[1]>=fNInnerSector) &&(index[2]>=fNRowUp1) && (GetOuter2PRF()!=0))
	297	sigma[1]+=GetOuter2PRF()->GetSigmaX()*GetOuter2PRF()->GetSigmaX();
cc80f89e	298
	299
	300	sigma[0]/= GetZWidth()*GetZWidth();
	301	sigma[1]/=GetPadPitchWidth(index[0])*GetPadPitchWidth(index[0]);
	302	}
	303
	304
	305
	306
176aff27	307	void AliTPCParamSR::GetSpaceResolution(Float_t /x/, Int_t /index/, Float_t /angle*/,
176aff27	308	Float_t /amplitude/, Int_t /mode/, Float_t /sigma*/)
cc80f89e	309	{
	310	//
	311	//
	312	//
	313
	314	}
176aff27	315	Float_t AliTPCParamSR::GetAmp(Float_t /x/, Int_t /index/, Float_t /angle*/)
cc80f89e	316	{
	317	//
	318	//
	319	//
	320	return 0;
	321	}
	322
	323	Float_t * AliTPCParamSR::GetAnglesAccMomentum(Float_t x, Int_t index, Float_t* momentum, Float_t *angle)
	324	{
	325	//
	326	//calculate angle of track to padrow at given position
	327	// for given magnetic field and momentum of the particle
	328	//
	329
	330	TransformTo2(x,index);
	331	AliDetectorParam::GetAnglesAccMomentum(x,index,momentum,angle);
	332	Float_t addangle = TMath::ASin(x[1]/GetPadRowRadii(index[1],index[2]));
	333	angle[1] +=addangle;
	334	return angle;
	335	}
	336
	337
	338	Bool_t AliTPCParamSR::Update()
	339	{
cc80f89e	340	Int_t i;
	341	if (AliTPCParam::Update()==kFALSE) return kFALSE;
	342	fbStatus = kFALSE;
	343
f03e3423	344	Float_t firstrow = fInnerRadiusLow + 2.225 ;
	345	for( i= 0;i<fNRowLow;i++)
	346	{
	347	Float_t x = firstrow + fInnerPadPitchLength*(Float_t)i;
	348	fPadRowLow[i]=x;
	349	// number of pads per row
	350	Float_t y = (x-0.5fInnerPadPitchLength)tan(fInnerAngle/2.)-fInnerWireMount-
	351	fInnerPadPitchWidth/2.;
b584c7dd	352	// 0 and fNRowLow+1 reserved for cross talk rows
b584c7dd	353	fYInner[i+1] = x*tan(fInnerAngle/2.)-fInnerWireMount;
f03e3423	354	fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ;
f03e3423	355	}
b584c7dd	356	// cross talk rows
	357	fYInner[0]=(fPadRowLow[0]-fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount;
	358	fYInner[fNRowLow+1]=(fPadRowLow[fNRowLow-1]+fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount;
f03e3423	359	firstrow = fOuterRadiusLow + 1.6;
	360	for(i=0;i<fNRowUp;i++)
	361	{
	362	if(i<fNRowUp1){
	363	Float_t x = firstrow + fOuter1PadPitchLength*(Float_t)i;
	364	fPadRowUp[i]=x;
	365	Float_t y =(x-0.5fOuter1PadPitchLength)tan(fOuterAngle/2.)-fOuterWireMount-
	366	fOuterPadPitchWidth/2.;
b584c7dd	367	fYOuter[i+1]= x*tan(fOuterAngle/2.)-fOuterWireMount;
f03e3423	368	fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
	369	if(i==fNRowUp1-1) {
	370	fLastWireUp1=fPadRowUp[i] +0.375;
	371	firstrow = fPadRowUp[i] + 0.5*(fOuter1PadPitchLength+fOuter2PadPitchLength);
	372	}
	373	}
	374	else
	375	{
	376	Float_t x = firstrow + fOuter2PadPitchLength*(Float_t)(i-64);
	377	fPadRowUp[i]=x;
	378	Float_t y =(x-0.5fOuter2PadPitchLength)tan(fOuterAngle/2.)-fOuterWireMount-
	379	fOuterPadPitchWidth/2.;
	380	fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
cc80f89e	381	}
b584c7dd	382	fYOuter[i+1] = fPadRowUp[i]*tan(fOuterAngle/2.)-fOuterWireMount;
f03e3423	383	}
b584c7dd	384	// cross talk rows
	385	fYOuter[0]=(fPadRowUp[0]-fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount;
	386	fYOuter[fNRowUp+1]=(fPadRowUp[fNRowUp-1]+fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount;
f03e3423	387	fNtRows = fNInnerSectorfNRowLow+fNOuterSectorfNRowUp;
	388	fbStatus = kTRUE;
	389	return kTRUE;
	390	}
	391	Float_t AliTPCParamSR::GetYInner(Int_t irow) const
	392	{
	393	return fYInner[irow];
	394	}
	395	Float_t AliTPCParamSR::GetYOuter(Int_t irow) const
	396	{
	397	return fYOuter[irow];
cc80f89e	398	}
cc80f89e	399
cc80f89e	400	void AliTPCParamSR::Streamer(TBuffer &R__b)
	401	{
	402	// Stream an object of class AliTPC.
	403
	404	if (R__b.IsReading()) {
	405	Version_t R__v = R__b.ReadVersion(); if (R__v) { }
	406	// TObject::Streamer(R__b);
	407	AliTPCParam::Streamer(R__b);
	408	// if (R__v < 2) return;
	409	Update();
	410	} else {
	411	R__b.WriteVersion(AliTPCParamSR::IsA());
	412	//TObject::Streamer(R__b);
	413	AliTPCParam::Streamer(R__b);
	414	}
	415	}
de61d5d5	416	Int_t AliTPCParamSR::CalcResponseFast(Float_t* xyz, Int_t * index, Int_t row)
	417	{
	418	//
	419	//calculate bin response as function of the input position -x
	420	//return number of valid response bin
	421	//
	422	//we suppose that coordinate is expressed in float digits
	423	// it's mean coordinate system 8
b584c7dd	424	//xyz[0] - electron position w.r.t. pad center, normalized to pad length,
b584c7dd	425	//xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin
e61fd20d	426	//xyz[3] - electron time in float time bin format
f03e3423	427	if ( (fInnerPRF==0)\|\|(fOuter1PRF==0)\|\|(fOuter2PRF==0) \|\|(fTimeRF==0) ){
de61d5d5	428	Error("AliTPCParamSR", "response function was not adjusted");
	429	return -1;
	430	}
	431
b4de2219	432	const Int_t kpadn = 500;
	433	const Float_t kfpadn = 500.;
	434	const Int_t ktimen = 500;
	435	const Float_t kftimen = 500.;
	436	const Int_t kpadrn = 500;
	437	const Float_t kfpadrn = 500.;
de61d5d5	438
de61d5d5	439
cc80f89e	440
b4de2219	441	static Float_t prfinner[2kpadrn][5kpadn]; //pad divided by 50
	442	static Float_t prfouter1[2kpadrn][5kpadn]; //prfouter division
	443	static Float_t prfouter2[2kpadrn][5kpadn];
f03e3423	444
b4de2219	445	static Float_t rftime[5*ktimen]; //time division
de61d5d5	446	static Int_t blabla=0;
	447	static Float_t zoffset=0;
	448	static Float_t zwidth=0;
	449	static Float_t zoffset2=0;
	450	static TH1F * hdiff=0;
	451	static TH1F * hdiff1=0;
	452	static TH1F * hdiff2=0;
	453
	454	if (blabla==0) { //calculate Response function - only at the begginning
	455	hdiff =new TH1F("prf_diff","prf_diff",10000,-1,1);
	456	hdiff1 =new TH1F("no_repsonse1","no_response1",10000,-1,1);
	457	hdiff2 =new TH1F("no_response2","no_response2",10000,-1,1);
	458
	459	blabla=1;
	460	zoffset = GetZOffset();
	461	zwidth = fZWidth;
	462	zoffset2 = zoffset/zwidth;
b4de2219	463	for (Int_t i=0;i<5*ktimen;i++){
b4de2219	464	rftime[i] = fTimeRF->GetRF(((i-2.5kftimen)/kftimen)zwidth+zoffset);
de61d5d5	465	}
b4de2219	466	for (Int_t i=0;i<5*kpadn;i++){
b4de2219	467	for (Int_t j=0;j<2*kpadrn;j++){
de61d5d5	468	prfinner[j][i] =
b4de2219	469	fInnerPRF->GetPRF((i-2.5*kfpadn)/kfpadn
b4de2219	470	fInnerPadPitchWidth,(j-kfpadrn)/kfpadrnfInnerPadPitchLength);
f03e3423	471	prfouter1[j][i] =
b4de2219	472	fOuter1PRF->GetPRF((i-2.5*kfpadn)/kfpadn
b4de2219	473	fOuterPadPitchWidth,(j-kfpadrn)/kfpadrnfOuter1PadPitchLength);
f03e3423	474
	475	//
	476	prfouter2[j][i] =
b4de2219	477	fOuter2PRF->GetPRF((i-2.5*kfpadn)/kfpadn
b4de2219	478	fOuterPadPitchWidth,(j-kfpadrn)/kfpadrnfOuter2PadPitchLength);
de61d5d5	479	}
de61d5d5	480	}
f03e3423	481	} // the above is calculated only once
f03e3423	482
de61d5d5	483	// calculate central padrow, pad, time
b584c7dd	484	Int_t npads = GetNPads(index[1],index[3]-1);
f03e3423	485	Int_t cpadrow = index[2]; // electrons are here
de61d5d5	486	Int_t cpad = TMath::Nint(xyz[1]);
e61fd20d	487	Int_t ctime = TMath::Nint(xyz[2]+zoffset2+xyz[3]);
de61d5d5	488	//calulate deviation
	489	Float_t dpadrow = xyz[0];
	490	Float_t dpad = xyz[1]-cpad;
e61fd20d	491	Float_t dtime = xyz[2]+zoffset2+xyz[3]-ctime;
de61d5d5	492	Int_t cindex =0;
	493	Int_t cindex3 =0;
	494	Int_t maxt =GetMaxTBin();
	495
	496	Int_t fpadrow;
	497	Int_t lpadrow;
	498
	499	if (row>=0) { //if we are interesting about given pad row
	500	fpadrow = row-cpadrow;
	501	lpadrow = row-cpadrow;
	502	}else{
	503	fpadrow = (index[2]>1) ? -1 :0;
	504	lpadrow = (index[2]<GetNRow(index[1])-1) ? 1:0;
	505	}
	506	Int_t fpad = (cpad > -npads/2+1) ? -2: -npads/2-cpad;
	507	Int_t lpad = (cpad < npads/2-1) ? 2: npads/2-cpad;
	508	Int_t ftime = (ctime>1) ? -2: -ctime;
	509	Int_t ltime = (ctime<maxt-2) ? 2: maxt-ctime-1;
	510
f03e3423	511	// cross talk from long pad to short one
b584c7dd	512	if(row==fNRowUp1 && fpadrow==-1) {
f03e3423	513	dpadrow *= fOuter2PadPitchLength;
	514	dpadrow += fOuterWWPitch;
	515	dpadrow /= fOuter1PadPitchLength;
	516	}
	517	// cross talk from short pad to long one
b584c7dd	518	if(row==fNRowUp1+1 && fpadrow==1){
f03e3423	519	dpadrow *= fOuter1PadPitchLength;
b584c7dd	520	if(dpadrow < 0.) dpadrow = -1.; //protection against 3rd wire
f03e3423	521	dpadrow += fOuterWWPitch;
	522	dpadrow /= fOuter2PadPitchLength;
	523
	524	}
	525	// "normal"
b4de2219	526	Int_t apadrow = TMath::Nint((dpadrow-fpadrow)*kfpadrn+kfpadrn);
de61d5d5	527	for (Int_t ipadrow = fpadrow; ipadrow<=lpadrow;ipadrow++){
b4de2219	528	if ( (apadrow<0) \|\| (apadrow>=2*kpadrn))
de61d5d5	529	continue;
b4de2219	530	Int_t apad= TMath::Nint((dpad-fpad)kfpadn+2.5kfpadn);
de61d5d5	531	for (Int_t ipad = fpad; ipad<=lpad;ipad++){
	532	Float_t cweight;
	533	if (index[1]<fNInnerSector)
	534	cweight=prfinner[apadrow][apad];
f03e3423	535	else{
ff9d8ca3	536	if(row < fNRowUp1+1)
f03e3423	537	cweight=prfouter1[apadrow][apad];
	538	else cweight=prfouter2[apadrow][apad];
	539	}
	540
de61d5d5	541	// if (cweight<fResponseThreshold) continue;
b4de2219	542	Int_t atime = TMath::Nint((dtime-ftime)kftimen+2.5kftimen);
de61d5d5	543	for (Int_t itime = ftime;itime<=ltime;itime++){
	544	Float_t cweight2 = cweight*rftime[atime];
	545	if (cweight2>fResponseThreshold) {
	546	fResponseBin[cindex3++]=cpadrow+ipadrow;
	547	fResponseBin[cindex3++]=cpad+ipad;
	548	fResponseBin[cindex3++]=ctime+itime;
	549	fResponseWeight[cindex++]=cweight2;
	550
	551	if (cweight2>100)
	552	{
	553	printf("Pici pici %d %f %d\n",ipad,dpad,apad);
	554	}
	555
	556	}
b4de2219	557	atime-=ktimen;
de61d5d5	558	}
b4de2219	559	apad-= kpadn;
de61d5d5	560	}
b4de2219	561	apadrow-=kpadrn;
de61d5d5	562	}
	563	fCurrentMax=cindex;
	564	return fCurrentMax;
	565
	566	}
cc80f89e	567
	568
	569
c11cb93f	570
	571
	572
	573