[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.                  *
 **************************************************************************/

/*
$Log$
Revision 1.7  2002/03/18 17:59:13  kowal2
Chnges in the pad geometry - 3 pad lengths introduced.

Revision 1.6  2002/02/25 11:02:56  kowal2
Changes towards speeding up the code. Thanks to Marian Ivanov.

Revision 1.5  2001/12/06 07:49:30  kowal2
corrected number of pads calculation

Revision 1.4  2000/11/02 07:33:15  kowal2
Improvements of the code.

Revision 1.3  2000/06/30 12:07:50  kowal2
Updated from the TPC-PreRelease branch

Revision 1.2.4.2  2000/06/14 16:48:24  kowal2
Parameter setting improved. Removed compiler warnings

Revision 1.2.4.1  2000/06/09 07:55:39  kowal2

Updated defaults

Revision 1.2  2000/04/17 09:37:33  kowal2
removed obsolete AliTPCDigitsDisplay.C

Revision 1.1.4.2  2000/04/10 11:36:13  kowal2

New Detector parameters handling class

*/

///////////////////////////////////////////////////////////////////////
//  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 <iostream.h>
#include <TMath.h>
#include <TObject.h>
#include <AliTPCParamSR.h>
#include "AliTPCPRF2D.h"
#include "AliTPCRF1D.h"
#include "TH1.h"


ClassImp(AliTPCParamSR)
const static  Int_t kMaxRows=600;
const static  Float_t  kEdgeSectorSpace = 2.5;
const static Float_t kFacSigmaPadRow=3.;
const static Float_t kFacSigmaPad=3.;
const static 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
  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]+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]+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]+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
  if ( (fInnerPRF==0)||(fOuter1PRF==0)||(fOuter2PRF==0) ||(fTimeRF==0) ){ 
    Error("AliTPCParamSR", "response function was not adjusted");
    return -1;
  }
  
  const Int_t padn =  500;
  const Float_t fpadn =  500.;
  const Int_t timen = 500;
  const Float_t ftimen = 500.;
  const Int_t padrn = 500;
  const Float_t fpadrn = 500.;

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

  static Float_t rftime[5*timen];         //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*timen;i++){
      rftime[i] = fTimeRF->GetRF(((i-2.5*ftimen)/ftimen)*zwidth+zoffset);
    }
    for (Int_t i=0;i<5*padn;i++){    
      for (Int_t j=0;j<2*padrn;j++){
	prfinner[j][i] =
	  fInnerPRF->GetPRF((i-2.5*fpadn)/fpadn
			    *fInnerPadPitchWidth,(j-fpadrn)/fpadrn*fInnerPadPitchLength);
	prfouter1[j][i] =
	  fOuter1PRF->GetPRF((i-2.5*fpadn)/fpadn
			    *fOuterPadPitchWidth,(j-fpadrn)/fpadrn*fOuter1PadPitchLength);

	//
	prfouter2[j][i] =
	  fOuter2PRF->GetPRF((i-2.5*fpadn)/fpadn
			    *fOuterPadPitchWidth,(j-fpadrn)/fpadrn*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);
  //calulate deviation
  Float_t dpadrow = xyz[0];
  Float_t dpad    = xyz[1]-cpad;
  Float_t dtime   = xyz[2]+zoffset2-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)*fpadrn+fpadrn);
  for (Int_t ipadrow = fpadrow; ipadrow<=lpadrow;ipadrow++){
    if ( (apadrow<0) || (apadrow>=2*padrn)) 
      continue;
    Int_t apad= TMath::Nint((dpad-fpad)*fpadn+2.5*fpadn);
    for (Int_t ipad = fpad; ipad<=lpad;ipad++){
	Float_t cweight;
	if (index[1]<fNInnerSector)
	  cweight=prfinner[apadrow][apad];
	else{
	  if(row < fNRowUp1)
	    cweight=prfouter1[apadrow][apad];
          else cweight=prfouter2[apadrow][apad];
	}

	//	if (cweight<fResponseThreshold) continue;
	Int_t atime = TMath::Nint((dtime-ftime)*ftimen+2.5*ftimen);
	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-=timen;
	}
	apad-= padn;	
    }
    apadrow-=padrn;
  }
  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
	16	/*
	17	$Log$
b584c7dd	18	Revision 1.7 2002/03/18 17:59:13 kowal2
	19	Chnges in the pad geometry - 3 pad lengths introduced.
	20
f03e3423	21	Revision 1.6 2002/02/25 11:02:56 kowal2
	22	Changes towards speeding up the code. Thanks to Marian Ivanov.
	23
de61d5d5	24	Revision 1.5 2001/12/06 07:49:30 kowal2
	25	corrected number of pads calculation
	26
73477b37	27	Revision 1.4 2000/11/02 07:33:15 kowal2
	28	Improvements of the code.
	29
c11cb93f	30	Revision 1.3 2000/06/30 12:07:50 kowal2
	31	Updated from the TPC-PreRelease branch
	32
73042f01	33	Revision 1.2.4.2 2000/06/14 16:48:24 kowal2
	34	Parameter setting improved. Removed compiler warnings
	35
	36	Revision 1.2.4.1 2000/06/09 07:55:39 kowal2
	37
	38	Updated defaults
	39
	40	Revision 1.2 2000/04/17 09:37:33 kowal2
	41	removed obsolete AliTPCDigitsDisplay.C
	42
cc80f89e	43	Revision 1.1.4.2 2000/04/10 11:36:13 kowal2
	44
	45	New Detector parameters handling class
	46
	47	*/
	48
	49	///////////////////////////////////////////////////////////////////////
	50	// Manager and of geomety classes for set: TPC //
	51	// //
	52	// !sectors are numbered from 0 //
	53	// !pad rows are numbered from 0 //
	54	//
	55	// 27.7. - AliTPCPaaramSr object for TPC
	56	// TPC with straight pad rows
	57	// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
	58	// //
	59	///////////////////////////////////////////////////////////////////////
	60
	61
	62	#include <iostream.h>
	63	#include <TMath.h>
	64	#include <TObject.h>
	65	#include <AliTPCParamSR.h>
73042f01	66	#include "AliTPCPRF2D.h"
73042f01	67	#include "AliTPCRF1D.h"
de61d5d5	68	#include "TH1.h"
cc80f89e	69
	70
	71	ClassImp(AliTPCParamSR)
	72	const static Int_t kMaxRows=600;
	73	const static Float_t kEdgeSectorSpace = 2.5;
73042f01	74	const static Float_t kFacSigmaPadRow=3.;
cc80f89e	75	const static Float_t kFacSigmaPad=3.;
	76	const static Float_t kFacSigmaTime=3.;
	77
	78
	79	AliTPCParamSR::AliTPCParamSR()
	80	{
	81	//
	82	//constructor set the default parameters
	83	fInnerPRF=0;
f03e3423	84	fOuter1PRF=0;
f03e3423	85	fOuter2PRF=0;
cc80f89e	86	fTimeRF = 0;
	87	fFacSigmaPadRow = Float_t(kFacSigmaPadRow);
	88	fFacSigmaPad = Float_t(kFacSigmaPad);
	89	fFacSigmaTime = Float_t(kFacSigmaTime);
cc80f89e	90	SetDefault();
	91	Update();
	92	}
	93
	94	AliTPCParamSR::~AliTPCParamSR()
	95	{
	96	//
	97	//destructor destroy some dynmicaly alocated variables
	98	if (fInnerPRF != 0) delete fInnerPRF;
f03e3423	99	if (fOuter1PRF != 0) delete fOuter1PRF;
f03e3423	100	if (fOuter2PRF != 0) delete fOuter2PRF;
cc80f89e	101	if (fTimeRF != 0) delete fTimeRF;
	102	}
	103
	104	void AliTPCParamSR::SetDefault()
	105	{
	106	//set default TPC param
	107	fbStatus = kFALSE;
	108	AliTPCParam::SetDefault();
	109	}
	110
	111	Int_t AliTPCParamSR::CalcResponse(Float_t* xyz, Int_t * index, Int_t row)
	112	{
	113	//
	114	//calculate bin response as function of the input position -x
	115	//return number of valid response bin
	116	//
	117	//we suppose that coordinate is expressed in float digits
	118	// it's mean coordinate system 8
	119	//xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin
f03e3423	120	if ( (fInnerPRF==0)\|\|(fOuter1PRF==0)\|\|(fOuter2PRF==0) \|\|(fTimeRF==0) ){
cc80f89e	121	Error("AliTPCParamSR", "response function was not adjusted");
	122	return -1;
	123	}
	124
	125	Float_t sfpadrow; // sigma of response function
	126	Float_t sfpad; // sigma of
	127	Float_t sftime= fFacSigmaTime*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response
	128	if (index[1]<fNInnerSector){
	129	sfpadrow =fFacSigmaPadRow*fInnerPRF->GetSigmaY()/fInnerPadPitchLength;
	130	sfpad =fFacSigmaPad*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth;
f03e3423	131	}
	132	else{
	133	if(row<fNRowUp1){
	134	sfpadrow =fFacSigmaPadRow*fOuter1PRF->GetSigmaY()/fOuter1PadPitchLength;
	135	sfpad =fFacSigmaPad*fOuter1PRF->GetSigmaX()/fOuterPadPitchWidth;}
	136	else{
	137	sfpadrow =fFacSigmaPadRow*fOuter2PRF->GetSigmaY()/fOuter2PadPitchLength;
	138	sfpad =fFacSigmaPad*fOuter2PRF->GetSigmaX()/fOuterPadPitchWidth;
	139	}
cc80f89e	140	}
	141
	142	Int_t fpadrow = TMath::Max(TMath::Nint(index[2]+xyz[0]-sfpadrow),0); //"first" padrow
	143	Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad
	144	Int_t ftime = TMath::Max(TMath::Nint(xyz[2]+GetZOffset()/GetZWidth()-sftime),0); // first time
	145	Int_t lpadrow = TMath::Min(TMath::Nint(index[2]+xyz[0]+sfpadrow),fpadrow+19); //"last" padrow
	146	lpadrow = TMath::Min(GetNRow(index[1])-1,lpadrow);
	147	Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad
	148	Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+GetZOffset()/GetZWidth()+sftime),ftime+19); // last time
	149	ltime = TMath::Min(ltime,GetMaxTBin()-1);
de61d5d5	150	//
	151	Int_t npads = GetNPads(index[1],row);
	152	if (fpad<-npads/2)
	153	fpad = -npads/2;
	154	if (lpad>npads/2)
	155	lpad= npads/2;
	156	if (ftime<0) ftime=0;
	157	//
cc80f89e	158	if (row>=0) { //if we are interesting about given pad row
	159	if (fpadrow<=row) fpadrow =row;
	160	else
	161	return 0;
	162	if (lpadrow>=row) lpadrow = row;
	163	else
	164	return 0;
	165	}
	166
	167
	168	Float_t padres[20][20]; //I don't expect bigger number of bins
	169	Float_t timeres[20];
	170	Int_t cindex3=0;
	171	Int_t cindex=0;
	172	Float_t cweight = 0;
	173	if (fpadrow>=0) {
	174	//calculate padresponse function
	175	Int_t padrow, pad;
	176	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	177	for (pad = fpad;pad<=lpad;pad++){
f03e3423	178	Float_t dy = (xyz[0]+Float_t(index[2]-padrow));
f03e3423	179	Float_t dx = (xyz[1]+Float_t(pad));
cc80f89e	180	if (index[1]<fNInnerSector)
cc80f89e	181	padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dxfInnerPadPitchWidth,dyfInnerPadPitchLength);
f03e3423	182	else{
	183	if(row<fNRowUp1){
	184	padres[padrow-fpadrow][pad-fpad]=fOuter1PRF->GetPRF(dxfOuterPadPitchWidth,dyfOuter1PadPitchLength);}
	185	else{
	186	padres[padrow-fpadrow][pad-fpad]=fOuter2PRF->GetPRF(dxfOuterPadPitchWidth,dyfOuter2PadPitchLength);}}}
cc80f89e	187	//calculate time response function
	188	Int_t time;
	189	for (time = ftime;time<=ltime;time++)
	190	timeres[time-ftime]= fTimeRF->GetRF((-xyz[2]+Float_t(time))*fZWidth);
	191	//write over threshold values to stack
	192	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	193	for (pad = fpad;pad<=lpad;pad++)
	194	for (time = ftime;time<=ltime;time++){
	195	cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad];
	196	if (cweight>fResponseThreshold) {
	197	fResponseBin[cindex3]=padrow;
	198	fResponseBin[cindex3+1]=pad;
	199	fResponseBin[cindex3+2]=time;
	200	cindex3+=3;
	201	fResponseWeight[cindex]=cweight;
	202	cindex++;
	203	}
	204	}
	205	}
	206	fCurrentMax=cindex;
	207	return fCurrentMax;
	208	}
	209
	210	void AliTPCParamSR::TransformTo8(Float_t xyz, Int_t index) const
	211	{
	212	//
	213	// transformate point to digit coordinate
	214	//
	215	if (index[0]==0) Transform0to1(xyz,index);
	216	if (index[0]==1) Transform1to2(xyz,index);
	217	if (index[0]==2) Transform2to3(xyz,index);
	218	if (index[0]==3) Transform3to4(xyz,index);
	219	if (index[0]==4) Transform4to8(xyz,index);
	220	}
	221
	222	void AliTPCParamSR::TransformTo2(Float_t xyz, Int_t index) const
	223	{
	224	//
	225	//transformate point to rotated coordinate
	226	//
	227	//we suppose that
	228	if (index[0]==0) Transform0to1(xyz,index);
	229	if (index[0]==1) Transform1to2(xyz,index);
	230	if (index[0]==4) Transform4to3(xyz,index);
	231	if (index[0]==8) { //if we are in digit coordinate system transform to global
	232	Transform8to4(xyz,index);
	233	Transform4to3(xyz,index);
	234	}
	235	}
	236
	237	void AliTPCParamSR::CRXYZtoXYZ(Float_t *xyz,
	238	const Int_t &sector, const Int_t & padrow, Int_t option) const
	239	{
	240	//transform relative coordinates to absolute
	241	Bool_t rel = ( (option&2)!=0);
	242	Int_t index[2]={sector,padrow};
	243	if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row
	244	Transform2to1(xyz,index);
	245	}
	246
	247	void AliTPCParamSR::XYZtoCRXYZ(Float_t *xyz,
	248	Int_t &sector, Int_t & padrow, Int_t option) const
	249	{
	250	//transform global position to the position relative to the sector padrow
251	//if option=0 X calculate absolute calculate sector
252	//if option=1 X absolute use input sector
253	//if option=2 X relative to pad row calculate sector
254	//if option=3 X relative use input sector
255	//!!!!!!!!! WE start to calculate rows from row = 0
256	Int_t index[2];
257	Bool_t rel = ( (option&2)!=0);
258
259	//option 0 and 2 means that we don't have information about sector
260	if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number
261	else
262	index[0]=sector;
263	Transform1to2(xyz,index);
264	Transform2to3(xyz,index);
265	//if we store relative position calculate position relative to pad row
266	if (rel==kTRUE) Transform3to4(xyz,index);
267	sector = index[0];
268	padrow = index[1];
269	}
270
271	Float_t AliTPCParamSR::GetPrimaryLoss(Float_t x, Int_t index, Float_t *angle)
272	{
273	//
274	//
275	Float_t padlength=GetPadPitchLength(index[1]);
276	Float_t a1=TMath::Sin(angle[0]);
277	a1*=a1;
278	Float_t a2=TMath::Sin(angle[1]);
279	a2*=a2;
280	Float_t length =padlength*TMath::Sqrt(1+a1+a2);
281	return length*fNPrimLoss;
282	}
283
284	Float_t AliTPCParamSR::GetTotalLoss(Float_t x, Int_t index, Float_t *angle)
285	{
286	//
287	//
288	Float_t padlength=GetPadPitchLength(index[1]);
289	Float_t a1=TMath::Sin(angle[0]);
290	a1*=a1;
291	Float_t a2=TMath::Sin(angle[1]);
292	a2*=a2;
293	Float_t length =padlength*TMath::Sqrt(1+a1+a2);
294	return length*fNTotalLoss;
295
296	}
297
298
299	void AliTPCParamSR::GetClusterSize(Float_t x, Int_t index, Float_t angle, Int_t mode, Float_t sigma)
300	{
301	//
302	//return cluster sigma2 (x,y) for particle at position x
303	// in this case x coordinata is in drift direction
304	//and y in pad row direction
305	//we suppose that input coordinate system is digit system
306
307	Float_t xx;
308	Float_t lx[3] = {x[0],x[1],x[2]};
309	Int_t li[3] = {index[0],index[1],index[2]};
310	TransformTo2(lx,li);
311	// Float_t sigmadiff;
312	sigma[0]=0;
313	sigma[1]=0;
314
315	xx = lx[2]; //calculate drift length in cm
316	if (xx>0) {
317	sigma[0]+= xxGetDiffL()GetDiffL();
318	sigma[1]+= xxGetDiffT()GetDiffT();
319	}
320
321
322	//sigma[0]=sigma[1]=0;
323	if (GetTimeRF()!=0) sigma[0]+=GetTimeRF()->GetSigma()*GetTimeRF()->GetSigma();
324	if ( (index[1]<fNInnerSector) &&(GetInnerPRF()!=0))
325	sigma[1]+=GetInnerPRF()->GetSigmaX()*GetInnerPRF()->GetSigmaX();
f03e3423	326	if ( (index[1]>=fNInnerSector) &&(index[2]<fNRowUp1) && (GetOuter1PRF()!=0))
	327	sigma[1]+=GetOuter1PRF()->GetSigmaX()*GetOuter1PRF()->GetSigmaX();
	328	if( (index[1]>=fNInnerSector) &&(index[2]>=fNRowUp1) && (GetOuter2PRF()!=0))
	329	sigma[1]+=GetOuter2PRF()->GetSigmaX()*GetOuter2PRF()->GetSigmaX();
cc80f89e	330
	331
	332	sigma[0]/= GetZWidth()*GetZWidth();
	333	sigma[1]/=GetPadPitchWidth(index[0])*GetPadPitchWidth(index[0]);
	334	}
	335
	336
	337
	338
	339	void AliTPCParamSR::GetSpaceResolution(Float_t x, Int_t index, Float_t *angle,
	340	Float_t amplitude, Int_t mode, Float_t *sigma)
	341	{
	342	//
	343	//
	344	//
	345
	346	}
	347	Float_t AliTPCParamSR::GetAmp(Float_t x, Int_t index, Float_t *angle)
	348	{
	349	//
	350	//
	351	//
	352	return 0;
	353	}
	354
	355	Float_t * AliTPCParamSR::GetAnglesAccMomentum(Float_t x, Int_t index, Float_t* momentum, Float_t *angle)
	356	{
	357	//
	358	//calculate angle of track to padrow at given position
	359	// for given magnetic field and momentum of the particle
	360	//
	361
	362	TransformTo2(x,index);
	363	AliDetectorParam::GetAnglesAccMomentum(x,index,momentum,angle);
	364	Float_t addangle = TMath::ASin(x[1]/GetPadRowRadii(index[1],index[2]));
	365	angle[1] +=addangle;
	366	return angle;
	367	}
	368
	369
	370	Bool_t AliTPCParamSR::Update()
	371	{
cc80f89e	372	Int_t i;
	373	if (AliTPCParam::Update()==kFALSE) return kFALSE;
	374	fbStatus = kFALSE;
	375
f03e3423	376	Float_t firstrow = fInnerRadiusLow + 2.225 ;
	377	for( i= 0;i<fNRowLow;i++)
	378	{
	379	Float_t x = firstrow + fInnerPadPitchLength*(Float_t)i;
	380	fPadRowLow[i]=x;
	381	// number of pads per row
	382	Float_t y = (x-0.5fInnerPadPitchLength)tan(fInnerAngle/2.)-fInnerWireMount-
	383	fInnerPadPitchWidth/2.;
b584c7dd	384	// 0 and fNRowLow+1 reserved for cross talk rows
b584c7dd	385	fYInner[i+1] = x*tan(fInnerAngle/2.)-fInnerWireMount;
f03e3423	386	fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ;
f03e3423	387	}
b584c7dd	388	// cross talk rows
	389	fYInner[0]=(fPadRowLow[0]-fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount;
	390	fYInner[fNRowLow+1]=(fPadRowLow[fNRowLow-1]+fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount;
f03e3423	391	firstrow = fOuterRadiusLow + 1.6;
	392	for(i=0;i<fNRowUp;i++)
	393	{
	394	if(i<fNRowUp1){
	395	Float_t x = firstrow + fOuter1PadPitchLength*(Float_t)i;
	396	fPadRowUp[i]=x;
	397	Float_t y =(x-0.5fOuter1PadPitchLength)tan(fOuterAngle/2.)-fOuterWireMount-
	398	fOuterPadPitchWidth/2.;
b584c7dd	399	fYOuter[i+1]= x*tan(fOuterAngle/2.)-fOuterWireMount;
f03e3423	400	fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
	401	if(i==fNRowUp1-1) {
	402	fLastWireUp1=fPadRowUp[i] +0.375;
	403	firstrow = fPadRowUp[i] + 0.5*(fOuter1PadPitchLength+fOuter2PadPitchLength);
	404	}
	405	}
	406	else
	407	{
	408	Float_t x = firstrow + fOuter2PadPitchLength*(Float_t)(i-64);
	409	fPadRowUp[i]=x;
	410	Float_t y =(x-0.5fOuter2PadPitchLength)tan(fOuterAngle/2.)-fOuterWireMount-
	411	fOuterPadPitchWidth/2.;
	412	fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
cc80f89e	413	}
b584c7dd	414	fYOuter[i+1] = fPadRowUp[i]*tan(fOuterAngle/2.)-fOuterWireMount;
f03e3423	415	}
b584c7dd	416	// cross talk rows
	417	fYOuter[0]=(fPadRowUp[0]-fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount;
	418	fYOuter[fNRowUp+1]=(fPadRowUp[fNRowUp-1]+fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount;
f03e3423	419	fNtRows = fNInnerSectorfNRowLow+fNOuterSectorfNRowUp;
	420	fbStatus = kTRUE;
	421	return kTRUE;
	422	}
	423	Float_t AliTPCParamSR::GetYInner(Int_t irow) const
	424	{
	425	return fYInner[irow];
	426	}
	427	Float_t AliTPCParamSR::GetYOuter(Int_t irow) const
	428	{
	429	return fYOuter[irow];
cc80f89e	430	}
cc80f89e	431
cc80f89e	432	void AliTPCParamSR::Streamer(TBuffer &R__b)
	433	{
	434	// Stream an object of class AliTPC.
	435
	436	if (R__b.IsReading()) {
	437	Version_t R__v = R__b.ReadVersion(); if (R__v) { }
	438	// TObject::Streamer(R__b);
	439	AliTPCParam::Streamer(R__b);
	440	// if (R__v < 2) return;
	441	Update();
	442	} else {
	443	R__b.WriteVersion(AliTPCParamSR::IsA());
	444	//TObject::Streamer(R__b);
	445	AliTPCParam::Streamer(R__b);
	446	}
	447	}
de61d5d5	448	Int_t AliTPCParamSR::CalcResponseFast(Float_t* xyz, Int_t * index, Int_t row)
	449	{
	450	//
	451	//calculate bin response as function of the input position -x
	452	//return number of valid response bin
	453	//
	454	//we suppose that coordinate is expressed in float digits
	455	// it's mean coordinate system 8
b584c7dd	456	//xyz[0] - electron position w.r.t. pad center, normalized to pad length,
b584c7dd	457	//xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin
f03e3423	458	if ( (fInnerPRF==0)\|\|(fOuter1PRF==0)\|\|(fOuter2PRF==0) \|\|(fTimeRF==0) ){
de61d5d5	459	Error("AliTPCParamSR", "response function was not adjusted");
	460	return -1;
	461	}
	462
	463	const Int_t padn = 500;
	464	const Float_t fpadn = 500.;
	465	const Int_t timen = 500;
	466	const Float_t ftimen = 500.;
	467	const Int_t padrn = 500;
	468	const Float_t fpadrn = 500.;
	469
	470
cc80f89e	471
de61d5d5	472	static Float_t prfinner[2padrn][5padn]; //pad divided by 50
f03e3423	473	static Float_t prfouter1[2padrn][5padn]; //prfouter division
	474	static Float_t prfouter2[2padrn][5padn];
	475
de61d5d5	476	static Float_t rftime[5*timen]; //time division
	477	static Int_t blabla=0;
	478	static Float_t zoffset=0;
	479	static Float_t zwidth=0;
	480	static Float_t zoffset2=0;
	481	static TH1F * hdiff=0;
	482	static TH1F * hdiff1=0;
	483	static TH1F * hdiff2=0;
	484
	485	if (blabla==0) { //calculate Response function - only at the begginning
	486	hdiff =new TH1F("prf_diff","prf_diff",10000,-1,1);
	487	hdiff1 =new TH1F("no_repsonse1","no_response1",10000,-1,1);
	488	hdiff2 =new TH1F("no_response2","no_response2",10000,-1,1);
	489
	490	blabla=1;
	491	zoffset = GetZOffset();
	492	zwidth = fZWidth;
	493	zoffset2 = zoffset/zwidth;
	494	for (Int_t i=0;i<5*timen;i++){
	495	rftime[i] = fTimeRF->GetRF(((i-2.5ftimen)/ftimen)zwidth+zoffset);
	496	}
	497	for (Int_t i=0;i<5*padn;i++){
	498	for (Int_t j=0;j<2*padrn;j++){
	499	prfinner[j][i] =
	500	fInnerPRF->GetPRF((i-2.5*fpadn)/fpadn
	501	fInnerPadPitchWidth,(j-fpadrn)/fpadrnfInnerPadPitchLength);
f03e3423	502	prfouter1[j][i] =
	503	fOuter1PRF->GetPRF((i-2.5*fpadn)/fpadn
	504	fOuterPadPitchWidth,(j-fpadrn)/fpadrnfOuter1PadPitchLength);
	505
	506	//
	507	prfouter2[j][i] =
	508	fOuter2PRF->GetPRF((i-2.5*fpadn)/fpadn
	509	fOuterPadPitchWidth,(j-fpadrn)/fpadrnfOuter2PadPitchLength);
de61d5d5	510	}
de61d5d5	511	}
f03e3423	512	} // the above is calculated only once
f03e3423	513
de61d5d5	514	// calculate central padrow, pad, time
b584c7dd	515	Int_t npads = GetNPads(index[1],index[3]-1);
f03e3423	516	Int_t cpadrow = index[2]; // electrons are here
de61d5d5	517	Int_t cpad = TMath::Nint(xyz[1]);
	518	Int_t ctime = TMath::Nint(xyz[2]+zoffset2);
	519	//calulate deviation
	520	Float_t dpadrow = xyz[0];
	521	Float_t dpad = xyz[1]-cpad;
	522	Float_t dtime = xyz[2]+zoffset2-ctime;
	523	Int_t cindex =0;
	524	Int_t cindex3 =0;
	525	Int_t maxt =GetMaxTBin();
	526
	527	Int_t fpadrow;
	528	Int_t lpadrow;
	529
	530	if (row>=0) { //if we are interesting about given pad row
	531	fpadrow = row-cpadrow;
	532	lpadrow = row-cpadrow;
	533	}else{
	534	fpadrow = (index[2]>1) ? -1 :0;
	535	lpadrow = (index[2]<GetNRow(index[1])-1) ? 1:0;
	536	}
	537	Int_t fpad = (cpad > -npads/2+1) ? -2: -npads/2-cpad;
	538	Int_t lpad = (cpad < npads/2-1) ? 2: npads/2-cpad;
	539	Int_t ftime = (ctime>1) ? -2: -ctime;
	540	Int_t ltime = (ctime<maxt-2) ? 2: maxt-ctime-1;
	541
f03e3423	542	// cross talk from long pad to short one
b584c7dd	543	if(row==fNRowUp1 && fpadrow==-1) {
f03e3423	544	dpadrow *= fOuter2PadPitchLength;
	545	dpadrow += fOuterWWPitch;
	546	dpadrow /= fOuter1PadPitchLength;
	547	}
	548	// cross talk from short pad to long one
b584c7dd	549	if(row==fNRowUp1+1 && fpadrow==1){
f03e3423	550	dpadrow *= fOuter1PadPitchLength;
b584c7dd	551	if(dpadrow < 0.) dpadrow = -1.; //protection against 3rd wire
f03e3423	552	dpadrow += fOuterWWPitch;
	553	dpadrow /= fOuter2PadPitchLength;
	554
	555	}
	556	// "normal"
	557	Int_t apadrow = TMath::Nint((dpadrow-fpadrow)*fpadrn+fpadrn);
de61d5d5	558	for (Int_t ipadrow = fpadrow; ipadrow<=lpadrow;ipadrow++){
	559	if ( (apadrow<0) \|\| (apadrow>=2*padrn))
	560	continue;
	561	Int_t apad= TMath::Nint((dpad-fpad)fpadn+2.5fpadn);
	562	for (Int_t ipad = fpad; ipad<=lpad;ipad++){
	563	Float_t cweight;
	564	if (index[1]<fNInnerSector)
	565	cweight=prfinner[apadrow][apad];
f03e3423	566	else{
	567	if(row < fNRowUp1)
	568	cweight=prfouter1[apadrow][apad];
	569	else cweight=prfouter2[apadrow][apad];
	570	}
	571
de61d5d5	572	// if (cweight<fResponseThreshold) continue;
	573	Int_t atime = TMath::Nint((dtime-ftime)ftimen+2.5ftimen);
	574	for (Int_t itime = ftime;itime<=ltime;itime++){
	575	Float_t cweight2 = cweight*rftime[atime];
	576	if (cweight2>fResponseThreshold) {
	577	fResponseBin[cindex3++]=cpadrow+ipadrow;
	578	fResponseBin[cindex3++]=cpad+ipad;
	579	fResponseBin[cindex3++]=ctime+itime;
	580	fResponseWeight[cindex++]=cweight2;
	581
	582	if (cweight2>100)
	583	{
	584	printf("Pici pici %d %f %d\n",ipad,dpad,apad);
	585	}
	586
	587	}
	588	atime-=timen;
	589	}
	590	apad-= padn;
	591	}
	592	apadrow-=padrn;
	593	}
	594	fCurrentMax=cindex;
	595	return fCurrentMax;
	596
	597	}
cc80f89e	598
	599
	600
c11cb93f	601
	602
	603
	604