Adding AliITSDigitizer class to do merging and digitization . Based on the

[u/mrichter/AliRoot.git] / ITS / AliITSresponseSDD.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.                  *
 **************************************************************************/

#include <TString.h>
#include <TRandom.h>

#include "AliITSresponseSDD.h"


//___________________________________________
ClassImp(AliITSresponseSDD)	

AliITSresponseSDD::AliITSresponseSDD()
{
  // constructor
  //   fModules = 520;
  //   fChips = 4;
  //   fChannels = 64;
   SetDeadChannels();
   SetMaxAdc();
   SetDiffCoeff();
   SetDriftSpeed();
   SetNSigmaIntegration();
   SetNLookUp();
   // SetClock();
   SetNoiseParam();
   SetNoiseAfterElectronics();
   SetElectronics();
   SetDynamicRange();
   SetChargeLoss();
   SetMinVal();
   SetParamOptions();
   SetZeroSupp();
   SetDataType();
   SetFilenames();
   SetOutputOption();
   SetDo10to8();
   // set the default zero suppression parameters
   fCPar[0]=0;
   fCPar[1]=0;
   fCPar[2]=(Int_t)(fBaseline + 2.*fNoiseAfterEl + 0.2);
   fCPar[3]=(Int_t)(fBaseline + 2.*fNoiseAfterEl + 0.2);
   fCPar[4]=0;
   fCPar[5]=0;
   fCPar[6]=0;
   fCPar[7]=0;
}

AliITSresponseSDD::~AliITSresponseSDD() { 

  if(fGaus) delete fGaus;

}

void AliITSresponseSDD::SetCompressParam(Int_t  cp[8])
{
  // set compression param

    Int_t i;
    for (i=0; i<8; i++) {
	fCPar[i]=cp[i];
	//printf("\n CompressPar %d %d \n",i,fCPar[i]);
	
    }
}
void AliITSresponseSDD::GiveCompressParam(Int_t  cp[8])
{
  // give compression param

    Int_t i;
    for (i=0; i<8; i++) {
	cp[i]=fCPar[i];
    }
}

void AliITSresponseSDD::SetDeadChannels(Int_t nmod, Int_t nchip, Int_t nchan) {

  for(Int_t m=0; m<fModules; m++) 
    for(Int_t n=0; n<fChips; n++) 
      for(Int_t p=0; p<fChannels; p++) 
	fGain[m][n][p] = 1.;

  if(nmod < 0 || nmod > fModules) { cout << "Wrong number of dead modules: " << nmod << endl; return; }
  Int_t nmax = (fModules-nmod)*fChips; 
  if(nchip < 0 || nchip > nmax) { cout << "Wrong number of dead chips: " << nchip << endl; return; }
  nmax = ((fModules - nmod)*fChips - nchip)*fChannels; 
  if(nchan < 0 || nchan > nmax) { cout << "Wrong number of dead channels: " << nchan << endl; return; }
  
  TRandom *gran = new TRandom();
  
//  cout << "modules" << endl;
  Int_t * mod = new Int_t [nmod];
  Int_t i; //loop variable
  for(i=0;i<nmod;i++) {
    mod[i] = (Int_t) (1.+fModules*gran->Uniform());
    cout << i+1 << ": Dead module nr: " << mod[i] << endl;
    for(Int_t n=0; n<fChips; n++)
      for(Int_t p=0; p<fChannels; p++)
	fGain[mod[i]-1][n][p] = 0.;
  }

//  cout << "chips" << endl;
  Int_t * chip = new Int_t[nchip];
  Int_t * chip_mod = new Int_t[nchip];
  i=0;
  while(i<nchip) {
    Int_t module = (Int_t) (fModules*gran->Uniform() + 1.);
    if(module <=0 || module > fModules) cout << "Wrong module: " << module << endl;
    Int_t flag_mod = 0;
    for(Int_t k=0;k<nmod;k++) if(module == mod[k]) flag_mod = 1;
    if(flag_mod == 1) continue;
    Int_t chi = (Int_t) (fChips*gran->Uniform() + 1.);
    if(chi <=0 || chi > fChips) cout << "Wrong chip: " << chi << endl;
    i++;
    chip[i-1] = chi; 
    chip_mod[i-1] = module;
    for(Int_t m=0; m<fChannels; m++) fGain[module-1][chi-1][m] = 0.;
    cout << i << ": Dead chip nr. " << chip[i-1] << " in module nr: " << chip_mod[i-1] << endl;
  }

//  cout << "channels" << endl;
  Int_t * channel = new Int_t[nchan];
  Int_t * channel_chip = new Int_t[nchan];
  Int_t * channel_mod = new Int_t[nchan];
  i=0;
  while(i<nchan) {
    Int_t k; //loop variable
    Int_t module = (Int_t) (fModules*gran->Uniform() + 1.);
    if(module <=0 || module > fModules) cout << "Wrong module: " << module << endl;
    Int_t flag_mod = 0;
    for(k=0;k<nmod;k++) if(module == mod[k]) flag_mod = 1;
    if(flag_mod == 1) continue;
    Int_t chipp = (Int_t) (fChips*gran->Uniform() + 1.);
    if(chipp <=0 || chipp > fChips) cout << "Wrong chip: " << chipp << endl;
    Int_t flag_chip = 0;
    for(k=0;k<nchip;k++) if(chipp == chip[k] && module == chip_mod[k]) flag_chip = 1;
    if(flag_chip == 1) continue;
    i++;
    channel[i-1] = (Int_t) (fChannels*gran->Uniform() + 1.); 
    if(channel[i-1] <=0 || channel[i-1] > fChannels) cout << "Wrong channel: " << channel[i-1] << endl;
    channel_chip[i-1] = chipp;
    channel_mod[i-1] = module;
    fGain[module-1][chipp-1][channel[i-1]-1] = 0.;
    cout << i << ": Dead channel nr. " << channel[i-1] << " in chip nr. " << channel_chip[i-1] << " in module nr: " << channel_mod[i-1] << endl;
  }

  delete [] mod;
  delete [] chip;
  delete [] chip_mod;
  delete [] channel;
  delete [] channel_mod;
  delete [] channel_chip;
}

void AliITSresponseSDD::PrintGains()
{
  // Print SDD electronic gains
  for(Int_t t=0; t<fModules;t++)
    for(Int_t u=0; u<fChips;u++)
      for(Int_t v=0; v<fChannels;v++)
	cout << "Gain for Module: " << t+1 << ", Chip " << u+1 << ", Channel " << v+1 << " = " << fGain[t][u][v] << endl;

}

void AliITSresponseSDD::Print()
{
  // Print SDD response Parameters

   cout << "**************************************************" << endl;
   cout << "   Silicon Drift Detector Response Parameters    " << endl;
   cout << "**************************************************" << endl;
   cout << "Diffusion Coefficients: " << fDiffCoeff << ", " << fDiffCoeff1 << endl;

   cout << "Hardware compression parameters: " << endl; 
   for(Int_t i=0; i<8; i++) cout << "fCPar[" << i << "] = " << fCPar[i] << endl;
   cout << "Noise before electronics (arbitrary units): " << fNoise << endl;
   cout << "Baseline (ADC units): " << fBaseline << endl;
   cout << "Noise after electronics (ADC units): " << fNoiseAfterEl << endl;

   cout << "Dynamic Range: " << fDynamicRange << endl;
   cout << "Charge Loss: " << fChargeLoss << endl;
   cout << "Temperature: " << fTemperature << endl;
   cout << "Drift Speed: " << fDriftSpeed << endl;
   cout << "Electronics (1=PASCAL, 2=OLA): " << fElectronics << endl;

   cout << "N. of Sigma for signal integration: " << fNsigmas << endl;
   cout << "N. of bins in lookup table: " << fNcomps << endl;

   cout << "Max. ADC Value: " << fMaxAdc << endl;
   cout << "Min. Value: " << fMinVal << endl;

   cout << "**************************************************" << endl; 
   cout << "             Print Electronics Gains              " << endl;
   cout << "**************************************************" << endl;
   PrintGains();

}