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

/**************************************************************************
 * Copyright(c) 1998-2000, 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.                  *
 **************************************************************************/

/* $Id$ */

#include <stdlib.h>
#include <TTree.h> 
#include <TObjArray.h>
#include <TFile.h>
#include <TDirectory.h>
#include <Riostream.h>

#include "AliTPCDigitizer.h"

#include "AliTPC.h"
#include "AliTPCParam.h"
#include "AliTPCParamSR.h" 
#include "AliRun.h"
#include "AliPDG.h"
#include "AliRunDigitizer.h"
#include "AliSimDigits.h"
#include "AliLog.h"

#include "AliTPCcalibDB.h"
#include "AliTPCCalPad.h"
#include "AliTPCCalROC.h"

ClassImp(AliTPCDigitizer)

//___________________________________________
  AliTPCDigitizer::AliTPCDigitizer() :AliDigitizer(),fDebug(0)
{
  //
// Default ctor - don't use it
//
  
}

//___________________________________________
AliTPCDigitizer::AliTPCDigitizer(AliRunDigitizer* manager) 
  :AliDigitizer(manager),fDebug(0)
{
  //
// ctor which should be used
//  
  AliDebug(2,"(AliRunDigitizer* manager) was processed");
}

//------------------------------------------------------------------------
AliTPCDigitizer::~AliTPCDigitizer()
{
// Destructor
}


//------------------------------------------------------------------------
Bool_t AliTPCDigitizer::Init()
{
// Initialization 
    
 return kTRUE;
}


//------------------------------------------------------------------------
void AliTPCDigitizer::Exec(Option_t* option)
{
  ExecFast(option);  
}
//------------------------------------------------------------------------
void AliTPCDigitizer::ExecFast(Option_t* option)
{
  
  // merge input tree's with summable digits
  //output stored in TreeTPCD
  char s[100]; 
  char ss[100];
  TString optionString = option;
  if (optionString.Data() == "deb") {
    cout<<"AliTPCDigitizer::Exec: called with option deb "<<endl;
    fDebug = 3;
  }
  //get detector and geometry


  AliRunLoader *rl, *orl;
  AliLoader *gime, *ogime;
  
  if (gAlice == 0x0)
   {
     Warning("ExecFast","gAlice is NULL. Loading from input 0");
     rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
     if (rl == 0x0)
      {
        Error("ExecFast","Can not find Run Loader for input 0. Can not proceed.");
        return;
      }
     rl->LoadgAlice();
     rl->GetAliRun();
   }
  AliTPC *pTPC  = (AliTPC *) gAlice->GetModule("TPC");
  AliTPCParam * param = pTPC->GetParam();
  
  sprintf(s,param->GetTitle());
  sprintf(ss,"75x40_100x60");
  if(strcmp(s,ss)==0){
    printf("2 pad-length geom hits with 3 pad-lenght geom digits...\n");
    delete param;
    param=new AliTPCParamSR();
  }
  else{
   sprintf(ss,"75x40_100x60_150x60");
   if(strcmp(s,ss)!=0) {
     printf("No TPC parameters found...\n");
     exit(2); 
   }
  }
  
  pTPC->GenerNoise(500000); //create teble with noise
  //
  Int_t nInputs = fManager->GetNinputs();
  Int_t * masks = new Int_t[nInputs];
  for (Int_t i=0; i<nInputs;i++)
    masks[i]= fManager->GetMask(i);
  Short_t **pdig= new Short_t*[nInputs];   //pointers to the expanded digits array
  Int_t **ptr=  new Int_t*[nInputs];       //pointers to teh expanded tracks array
  Bool_t *active=  new Bool_t[nInputs];    //flag for active input segments

  
  //create digits array for given sectors
  // make indexes
  
  AliSimDigits ** digarr = new AliSimDigits*[nInputs]; 
  for (Int_t i1=0;i1<nInputs; i1++)
    {
      digarr[i1]=0;
     //    intree[i1]
      rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(i1));
      gime = rl->GetLoader("TPCLoader");
      gime->LoadSDigits("read");
      TTree * treear =  gime->TreeS();
     
      if (!treear) 
       {
        cerr<<"AliTPCDigitizer: Input tree with SDigits not found in"
            <<" input "<< i1<<endl;
        return;
       }
    
      if (treear->GetIndex()==0)  
	treear->BuildIndex("fSegmentID","fSegmentID");
      treear->GetBranch("Segment")->SetAddress(&digarr[i1]);
    }


  //create branch's in TPC treeD
  AliSimDigits * digrow = new AliSimDigits;

  orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
  ogime = orl->GetLoader("TPCLoader");
  
  TTree * tree  = ogime->TreeD();
  if (tree == 0x0)
   {
     ogime->MakeTree("D");
     tree  = ogime->TreeD();
   }
  tree->Branch("Segment","AliSimDigits",&digrow);
  //

  param->SetZeroSup(2);

  Int_t zerosup = param->GetZeroSup(); 
  AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetPadGainFactor(); 
  //
  //Loop over segments of the TPC
    
  for (Int_t segmentID=0; segmentID<param->GetNRowsTotal(); segmentID++) 
   {
    Int_t sec, row;
    if (!param->AdjustSectorRow(segmentID,sec,row)) 
     {
      cerr<<"AliTPC warning: invalid segment ID ! "<<segmentID<<endl;
      continue;
     }
    AliTPCCalROC * gainROC = gainTPC->GetCalROC(sec);  // pad gains per given sector
    digrow->SetID(segmentID);

    Int_t nrows = 0;
    Int_t ncols = 0;

    Bool_t digitize = kFALSE;
    for (Int_t i=0;i<nInputs; i++) 
     { 

      rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(i));
      gime = rl->GetLoader("TPCLoader");
      
      if (gime->TreeS()->GetEntryWithIndex(segmentID,segmentID) >= 0) {
	digarr[i]->ExpandBuffer();
	digarr[i]->ExpandTrackBuffer();
        nrows = digarr[i]->GetNRows();
        ncols = digarr[i]->GetNCols();
	active[i] = kTRUE;
	if (!fRegionOfInterest || (i == 0)) digitize = kTRUE;
      } else {
	active[i] = kFALSE;
      }
      if (fRegionOfInterest && !digitize) break;
     }   
    if (!digitize) continue;

    digrow->Allocate(nrows,ncols);
    digrow->AllocateTrack(3);

    Float_t q=0;
    Int_t label[1000]; //stack for 300 events 
    Int_t labptr = 0;

    Int_t nElems = nrows*ncols;     
 
    for (Int_t i=0;i<nInputs; i++)
     if (active[i]) { 
       pdig[i] = digarr[i]->GetDigits();
       ptr[i]  = digarr[i]->GetTracks();
      }
     
    Short_t *pdig1= digrow->GetDigits();
    Int_t   *ptr1= digrow->GetTracks() ;

    
    for (Int_t elem=0;elem<nElems; elem++)
     {    

       q=0;
       labptr=0;
       // looop over digits 
        for (Int_t i=0;i<nInputs; i++) if (active[i]) 
         { 
          //          q  += digarr[i]->GetDigitFast(rows,col);
            q  += *(pdig[i]);
         
           for (Int_t tr=0;tr<3;tr++) 
            {
             //             Int_t lab = digarr[i]->GetTrackIDFast(rows,col,tr);
             Int_t lab = ptr[i][tr*nElems];
             if ( (lab > 1) && *(pdig[i])>zerosup) 
              {
                label[labptr]=lab+masks[i];
                labptr++;
              }          
            }
           pdig[i]++;
           ptr[i]++;
         }
        q/=16.;  //conversion factor
	Float_t gain = gainROC->GetValue(row,elem/nrows);  // get gain for given - pad-row pad
	if (gain<0.5){
	  printf("problem\n");
	}
	q*= gain;
        //       Float_t noise  = gRandom->Gaus(0,param->GetNoise()*param->GetNoiseNormFac());  
        Float_t noise  = pTPC->GetNoise();
        q+=noise;
        q=TMath::Nint(q);
        if (q > zerosup)
         { 
          if(q >= param->GetADCSat()) q = (Short_t)(param->GetADCSat() - 1);
          //digrow->SetDigitFast((Short_t)q,rows,col);  
          *pdig1 =Short_t(q);
          for (Int_t tr=0;tr<3;tr++)
           {
            if (tr<labptr) 
             ptr1[tr*nElems] = label[tr];
           }
          }
        pdig1++;
        ptr1++;
     }
    
    digrow->CompresBuffer(1,zerosup);
    digrow->CompresTrackBuffer(1);
    tree->Fill();
    if (fDebug>0) cerr<<sec<<"\t"<<row<<"\n";  
   } //for (Int_t n=0; n<param->GetNRowsTotal(); n++) 
  

  orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
  ogime = orl->GetLoader("TPCLoader");
  ogime->WriteDigits("OVERWRITE");
  
  //fManager->GetTreeDTPC()->Write(0,TObject::kOverwrite);
  
  delete digrow;     
  for (Int_t i1=0;i1<nInputs; i1++) delete digarr[i1];
  delete []masks;
  delete []pdig;
  delete []ptr;
  delete []active;
  delete []digarr;  
}


//------------------------------------------------------------------------
void AliTPCDigitizer::ExecSave(Option_t* option)
{
  
  // merge input tree's with summable digits
  //output stored in TreeTPCD

  TString optionString = option;
  if (optionString.Data() == "deb") {
    cout<<"AliTPCDigitizer::Exec: called with option deb "<<endl;
    fDebug = 3;
  }
  //get detector and geometry 
  AliRunLoader *rl, *orl;
  AliLoader *gime, *ogime;

  
  orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
  ogime = orl->GetLoader("TPCLoader");
  
  rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
  gime = rl->GetLoader("TPCLoader");
  
  rl->LoadgAlice();
  AliRun* alirun = rl->GetAliRun();
  
  AliTPC *pTPC  = (AliTPC *) alirun->GetModule("TPC");
  AliTPCParam * param = pTPC->GetParam();
  pTPC->GenerNoise(500000); //create teble with noise
  printf("noise %f \n",  param->GetNoise()*param->GetNoiseNormFac());
  //
  Int_t nInputs = fManager->GetNinputs();
  Int_t * masks = new Int_t[nInputs];
  for (Int_t i=0; i<nInputs;i++)
    masks[i]= fManager->GetMask(i);

  AliSimDigits ** digarr = new AliSimDigits*[nInputs]; 
  for (Int_t i1=0;i1<nInputs; i1++)
   {
    digarr[i1]=0;
    //    intree[i1]
    rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(i1));
    gime = rl->GetLoader("TPCLoader");

    TTree * treear =  gime->TreeS();
    TBranch * br = treear->GetBranch("fSegmentID");
    if (br) br->GetFile()->cd();
    if (!treear) {      
      cerr<<" TPC -  not existing input = \n"<<i1<<" ";      
    } 
    treear->GetBranch("Segment")->SetAddress(&digarr[i1]);
  }
  
  rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
  gime = rl->GetLoader("TPCLoader");
  Stat_t nentries = gime->TreeS()->GetEntries();
  

  //create branch's in TPC treeD
  AliSimDigits * digrow = new AliSimDigits;
  TTree * tree  = ogime->TreeD();

  tree->Branch("Segment","AliSimDigits",&digrow);
  param->SetZeroSup(2);

  Int_t zerosup = param->GetZeroSup();
  //Loop over segments of the TPC
    
  AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetPadGainFactor();
  for (Int_t n=0; n<nentries; n++) {
    rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
    gime = rl->GetLoader("TPCLoader");
    gime->TreeS()->GetEvent(n);

    digarr[0]->ExpandBuffer();
    digarr[0]->ExpandTrackBuffer();


    for (Int_t i=1;i<nInputs; i++){ 
//      fManager->GetInputTreeTPCS(i)->GetEntryWithIndex(digarr[0]->GetID(),digarr[0]->GetID());      
      rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(i));
      gime = rl->GetLoader("TPCLoader");
      gime->TreeS()->GetEntryWithIndex(digarr[0]->GetID(),digarr[0]->GetID());  
      digarr[i]->ExpandBuffer();
      digarr[i]->ExpandTrackBuffer();
      if ((digarr[0]->GetID()-digarr[i]->GetID())>0) 
       printf("problem\n");
    
    }   
    
    Int_t sec, row;
    if (!param->AdjustSectorRow(digarr[0]->GetID(),sec,row)) {
      cerr<<"AliTPC warning: invalid segment ID ! "<<digarr[0]->GetID()<<endl;
      continue;
    }

    AliTPCCalROC * gainROC = gainTPC->GetCalROC(sec);  // pad gains per given sector
    digrow->SetID(digarr[0]->GetID());

    Int_t nrows = digarr[0]->GetNRows();
    Int_t ncols = digarr[0]->GetNCols();
    digrow->Allocate(nrows,ncols);
    digrow->AllocateTrack(3);

    Float_t q=0;
    Int_t label[1000]; //stack for 300 events 
    Int_t labptr = 0;

    
    for (Int_t rows=0;rows<nrows; rows++){
      for (Int_t col=0;col<ncols; col++){
    
       q=0;
       labptr=0;
       // looop over digits 
        for (Int_t i=0;i<nInputs; i++){ 
         q  += digarr[i]->GetDigitFast(rows,col);
          //q  += *(pdig[i]);
         
          for (Int_t tr=0;tr<3;tr++) {
           Int_t lab = digarr[i]->GetTrackIDFast(rows,col,tr);
           //Int_t lab = ptr[i][tr*nElems];
            if ( (lab > 1) ) {
              label[labptr]=lab+masks[i];
              labptr++;
            }          
          }
         // pdig[i]++;
         //ptr[i]++;
         
        }
       q/=16.;  //conversion factor
       //       Float_t noise  = gRandom->Gaus(0,param->GetNoise()*param->GetNoiseNormFac());  
       Float_t gain = gainROC->GetValue(row,col);
       q*= gain;
       Float_t noise  = pTPC->GetNoise();
       q+=noise;
        q=TMath::Nint(q);
        if (q > zerosup){ 
         
         if(q >= param->GetADCSat()) q = (Short_t)(param->GetADCSat() - 1);
         digrow->SetDigitFast((Short_t)q,rows,col);  
         // *pdig1 =Short_t(q);
         for (Int_t tr=0;tr<3;tr++){
           if (tr<labptr) 
             ((AliSimDigits*)digrow)->SetTrackIDFast(label[tr],rows,col,tr);
           //ptr1[tr*nElems] = label[tr];
           //else
             //           ((AliSimDigits*)digrow)->SetTrackIDFast(-1,rows,col,tr);          
           //  ptr1[tr*nElems] = 1;
         }
       }
       //pdig1++;
       //ptr1++;
    }
    }
    
    digrow->CompresBuffer(1,zerosup);
    digrow->CompresTrackBuffer(1);
    tree->Fill();
    if (fDebug>0) cerr<<sec<<"\t"<<row<<"\n";  
  } 
//  printf("end TPC merging - end -Tree %s\t%p\n",fManager->GetInputTreeH(0)->GetName(),fManager->GetInputTreeH(0)->GetListOfBranches()->At(3));
  //fManager->GetTreeDTPC()->Write(0,TObject::kOverwrite);
    ogime->WriteDigits("OVERWRITE");

    for (Int_t i=1;i<nInputs; i++) 
     { 
      rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(i));
      gime = rl->GetLoader("TPCLoader");
      gime->UnloadSDigits();
     }
    ogime->UnloadDigits();
    
  delete digrow;     
  for (Int_t i1=0;i1<nInputs; i1++) delete digarr[i1];
  delete []masks;
  delete digarr;  
}
Commit	Line	Data
3c038d07	1	/**************************************************************************
	2	* Copyright(c) 1998-2000, 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	/* $Id$ */
d37f8c34	17
d37f8c34	18	#include <stdlib.h>
3c038d07	19	#include <TTree.h>
	20	#include <TObjArray.h>
	21	#include <TFile.h>
	22	#include <TDirectory.h>
19364939	23	#include <Riostream.h>
3c038d07	24
	25	#include "AliTPCDigitizer.h"
	26
	27	#include "AliTPC.h"
	28	#include "AliTPCParam.h"
7a09f434	29	#include "AliTPCParamSR.h"
3c038d07	30	#include "AliRun.h"
	31	#include "AliPDG.h"
	32	#include "AliRunDigitizer.h"
	33	#include "AliSimDigits.h"
f77f13c8	34	#include "AliLog.h"
3c038d07	35
13116aec	36	#include "AliTPCcalibDB.h"
	37	#include "AliTPCCalPad.h"
	38	#include "AliTPCCalROC.h"
	39
3c038d07	40	ClassImp(AliTPCDigitizer)
	41
	42	//___________________________________________
179c6296	43	AliTPCDigitizer::AliTPCDigitizer() :AliDigitizer(),fDebug(0)
3c038d07	44	{
179c6296	45	//
3c038d07	46	// Default ctor - don't use it
179c6296	47	//
179c6296	48
3c038d07	49	}
	50
	51	//___________________________________________
	52	AliTPCDigitizer::AliTPCDigitizer(AliRunDigitizer* manager)
179c6296	53	:AliDigitizer(manager),fDebug(0)
3c038d07	54	{
179c6296	55	//
3c038d07	56	// ctor which should be used
179c6296	57	//
f77f13c8	58	AliDebug(2,"(AliRunDigitizer* manager) was processed");
3c038d07	59	}
	60
	61	//------------------------------------------------------------------------
	62	AliTPCDigitizer::~AliTPCDigitizer()
	63	{
	64	// Destructor
	65	}
	66
	67
	68
	69	//------------------------------------------------------------------------
	70	Bool_t AliTPCDigitizer::Init()
	71	{
	72	// Initialization
	73
	74	return kTRUE;
	75	}
	76
	77
	78	//------------------------------------------------------------------------
	79	void AliTPCDigitizer::Exec(Option_t* option)
f648982e	80	{
	81	ExecFast(option);
	82	}
	83	//------------------------------------------------------------------------
	84	void AliTPCDigitizer::ExecFast(Option_t* option)
3c038d07	85	{
	86
	87	// merge input tree's with summable digits
	88	//output stored in TreeTPCD
7a09f434	89	char s[100];
7a09f434	90	char ss[100];
3c038d07	91	TString optionString = option;
	92	if (optionString.Data() == "deb") {
	93	cout<<"AliTPCDigitizer::Exec: called with option deb "<<endl;
	94	fDebug = 3;
	95	}
	96	//get detector and geometry
88cb7938	97
	98
	99	AliRunLoader rl, orl;
	100	AliLoader gime, ogime;
	101
	102	if (gAlice == 0x0)
	103	{
	104	Warning("ExecFast","gAlice is NULL. Loading from input 0");
	105	rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
	106	if (rl == 0x0)
	107	{
	108	Error("ExecFast","Can not find Run Loader for input 0. Can not proceed.");
	109	return;
	110	}
	111	rl->LoadgAlice();
	112	rl->GetAliRun();
	113	}
3c038d07	114	AliTPC pTPC = (AliTPC ) gAlice->GetModule("TPC");
3c038d07	115	AliTPCParam * param = pTPC->GetParam();
7a09f434	116
	117	sprintf(s,param->GetTitle());
	118	sprintf(ss,"75x40_100x60");
	119	if(strcmp(s,ss)==0){
	120	printf("2 pad-length geom hits with 3 pad-lenght geom digits...\n");
	121	delete param;
	122	param=new AliTPCParamSR();
	123	}
	124	else{
	125	sprintf(ss,"75x40_100x60_150x60");
	126	if(strcmp(s,ss)!=0) {
	127	printf("No TPC parameters found...\n");
	128	exit(2);
	129	}
	130	}
	131
407ff276	132	pTPC->GenerNoise(500000); //create teble with noise
407ff276	133	//
	134	Int_t nInputs = fManager->GetNinputs();
	135	Int_t * masks = new Int_t[nInputs];
	136	for (Int_t i=0; i<nInputs;i++)
	137	masks[i]= fManager->GetMask(i);
	138	Short_t *pdig= new Short_t[nInputs]; //pointers to the expanded digits array
	139	Int_t *ptr= new Int_t[nInputs]; //pointers to teh expanded tracks array
4df28b43	140	Bool_t *active= new Bool_t[nInputs]; //flag for active input segments
407ff276	141
88cb7938	142
3c038d07	143	//create digits array for given sectors
f648982e	144	// make indexes
88cb7938	145
407ff276	146	AliSimDigits ** digarr = new AliSimDigits*[nInputs];
88cb7938	147	for (Int_t i1=0;i1<nInputs; i1++)
	148	{
	149	digarr[i1]=0;
	150	// intree[i1]
	151	rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(i1));
	152	gime = rl->GetLoader("TPCLoader");
	153	gime->LoadSDigits("read");
	154	TTree * treear = gime->TreeS();
	155
	156	if (!treear)
	157	{
	158	cerr<<"AliTPCDigitizer: Input tree with SDigits not found in"
	159	<<" input "<< i1<<endl;
	160	return;
	161	}
88cb7938	162
	163	if (treear->GetIndex()==0)
	164	treear->BuildIndex("fSegmentID","fSegmentID");
	165	treear->GetBranch("Segment")->SetAddress(&digarr[i1]);
12d8d654	166	}
88cb7938	167
3c038d07	168
	169	//create branch's in TPC treeD
	170	AliSimDigits * digrow = new AliSimDigits;
88cb7938	171
	172	orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
	173	ogime = orl->GetLoader("TPCLoader");
	174
	175	TTree * tree = ogime->TreeD();
	176	if (tree == 0x0)
	177	{
	178	ogime->MakeTree("D");
	179	tree = ogime->TreeD();
	180	}
170950c3	181	tree->Branch("Segment","AliSimDigits",&digrow);
3c038d07	182	//
3c038d07	183
407ff276	184	param->SetZeroSup(2);
407ff276	185
f648982e	186	Int_t zerosup = param->GetZeroSup();
13116aec	187	AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetPadGainFactor();
f648982e	188	//
3c038d07	189	//Loop over segments of the TPC
3c038d07	190
4df28b43	191	for (Int_t segmentID=0; segmentID<param->GetNRowsTotal(); segmentID++)
88cb7938	192	{
4df28b43	193	Int_t sec, row;
	194	if (!param->AdjustSectorRow(segmentID,sec,row))
	195	{
	196	cerr<<"AliTPC warning: invalid segment ID ! "<<segmentID<<endl;
	197	continue;
	198	}
13116aec	199	AliTPCCalROC * gainROC = gainTPC->GetCalROC(sec); // pad gains per given sector
4df28b43	200	digrow->SetID(segmentID);
	201
	202	Int_t nrows = 0;
	203	Int_t ncols = 0;
	204
	205	Bool_t digitize = kFALSE;
	206	for (Int_t i=0;i<nInputs; i++)
88cb7938	207	{
	208
	209	rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(i));
	210	gime = rl->GetLoader("TPCLoader");
	211
4df28b43	212	if (gime->TreeS()->GetEntryWithIndex(segmentID,segmentID) >= 0) {
	213	digarr[i]->ExpandBuffer();
	214	digarr[i]->ExpandTrackBuffer();
	215	nrows = digarr[i]->GetNRows();
	216	ncols = digarr[i]->GetNCols();
	217	active[i] = kTRUE;
	218	if (!fRegionOfInterest \|\| (i == 0)) digitize = kTRUE;
	219	} else {
	220	active[i] = kFALSE;
	221	}
	222	if (fRegionOfInterest && !digitize) break;
88cb7938	223	}
4df28b43	224	if (!digitize) continue;
3c038d07	225
3c038d07	226	digrow->Allocate(nrows,ncols);
	227	digrow->AllocateTrack(3);
	228
407ff276	229	Float_t q=0;
	230	Int_t label[1000]; //stack for 300 events
	231	Int_t labptr = 0;
	232
f648982e	233	Int_t nElems = nrows*ncols;
f648982e	234
88cb7938	235	for (Int_t i=0;i<nInputs; i++)
4df28b43	236	if (active[i]) {
88cb7938	237	pdig[i] = digarr[i]->GetDigits();
88cb7938	238	ptr[i] = digarr[i]->GetTracks();
4df28b43	239	}
88cb7938	240
407ff276	241	Short_t *pdig1= digrow->GetDigits();
	242	Int_t *ptr1= digrow->GetTracks() ;
	243
f648982e	244
407ff276	245
88cb7938	246	for (Int_t elem=0;elem<nElems; elem++)
	247	{
	248
	249	q=0;
	250	labptr=0;
	251	// looop over digits
4df28b43	252	for (Int_t i=0;i<nInputs; i++) if (active[i])
88cb7938	253	{
	254	// q += digarr[i]->GetDigitFast(rows,col);
	255	q += *(pdig[i]);
	256
	257	for (Int_t tr=0;tr<3;tr++)
	258	{
	259	// Int_t lab = digarr[i]->GetTrackIDFast(rows,col,tr);
	260	Int_t lab = ptr[i][tr*nElems];
	261	if ( (lab > 1) && *(pdig[i])>zerosup)
	262	{
	263	label[labptr]=lab+masks[i];
	264	labptr++;
	265	}
	266	}
	267	pdig[i]++;
	268	ptr[i]++;
	269	}
	270	q/=16.; //conversion factor
13116aec	271	Float_t gain = gainROC->GetValue(row,elem/nrows); // get gain for given - pad-row pad
	272	if (gain<0.5){
	273	printf("problem\n");
	274	}
	275	q*= gain;
88cb7938	276	// Float_t noise = gRandom->Gaus(0,param->GetNoise()*param->GetNoiseNormFac());
	277	Float_t noise = pTPC->GetNoise();
	278	q+=noise;
3c038d07	279	q=TMath::Nint(q);
88cb7938	280	if (q > zerosup)
88cb7938	281	{
e93a083a	282	if(q >= param->GetADCSat()) q = (Short_t)(param->GetADCSat() - 1);
88cb7938	283	//digrow->SetDigitFast((Short_t)q,rows,col);
	284	*pdig1 =Short_t(q);
	285	for (Int_t tr=0;tr<3;tr++)
	286	{
	287	if (tr<labptr)
	288	ptr1[tr*nElems] = label[tr];
	289	}
	290	}
	291	pdig1++;
	292	ptr1++;
	293	}
407ff276	294
3c038d07	295	digrow->CompresBuffer(1,zerosup);
	296	digrow->CompresTrackBuffer(1);
	297	tree->Fill();
	298	if (fDebug>0) cerr<<sec<<"\t"<<row<<"\n";
4df28b43	299	} //for (Int_t n=0; n<param->GetNRowsTotal(); n++)
88cb7938	300
	301
	302	orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
	303	ogime = orl->GetLoader("TPCLoader");
	304	ogime->WriteDigits("OVERWRITE");
	305
	306	//fManager->GetTreeDTPC()->Write(0,TObject::kOverwrite);
	307
3c038d07	308	delete digrow;
407ff276	309	for (Int_t i1=0;i1<nInputs; i1++) delete digarr[i1];
407ff276	310	delete []masks;
4df28b43	311	delete []pdig;
	312	delete []ptr;
	313	delete []active;
	314	delete []digarr;
3c038d07	315	}
3c038d07	316
f648982e	317
	318
	319	//------------------------------------------------------------------------
	320	void AliTPCDigitizer::ExecSave(Option_t* option)
	321	{
	322
	323	// merge input tree's with summable digits
	324	//output stored in TreeTPCD
	325
	326	TString optionString = option;
	327	if (optionString.Data() == "deb") {
	328	cout<<"AliTPCDigitizer::Exec: called with option deb "<<endl;
	329	fDebug = 3;
	330	}
	331	//get detector and geometry
88cb7938	332	AliRunLoader rl, orl;
	333	AliLoader gime, ogime;
	334
	335
	336	orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
	337	ogime = orl->GetLoader("TPCLoader");
	338
	339	rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
	340	gime = rl->GetLoader("TPCLoader");
	341
	342	rl->LoadgAlice();
	343	AliRun* alirun = rl->GetAliRun();
	344
	345	AliTPC pTPC = (AliTPC ) alirun->GetModule("TPC");
f648982e	346	AliTPCParam * param = pTPC->GetParam();
	347	pTPC->GenerNoise(500000); //create teble with noise
	348	printf("noise %f \n", param->GetNoise()*param->GetNoiseNormFac());
	349	//
	350	Int_t nInputs = fManager->GetNinputs();
	351	Int_t * masks = new Int_t[nInputs];
	352	for (Int_t i=0; i<nInputs;i++)
	353	masks[i]= fManager->GetMask(i);
f648982e	354
f648982e	355	AliSimDigits ** digarr = new AliSimDigits*[nInputs];
88cb7938	356	for (Int_t i1=0;i1<nInputs; i1++)
88cb7938	357	{
f648982e	358	digarr[i1]=0;
f648982e	359	// intree[i1]
88cb7938	360	rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(i1));
	361	gime = rl->GetLoader("TPCLoader");
	362
	363	TTree * treear = gime->TreeS();
f648982e	364	TBranch * br = treear->GetBranch("fSegmentID");
f648982e	365	if (br) br->GetFile()->cd();
f648982e	366	if (!treear) {
	367	cerr<<" TPC - not existing input = \n"<<i1<<" ";
	368	}
f648982e	369	treear->GetBranch("Segment")->SetAddress(&digarr[i1]);
f648982e	370	}
88cb7938	371
	372	rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
	373	gime = rl->GetLoader("TPCLoader");
	374	Stat_t nentries = gime->TreeS()->GetEntries();
f648982e	375
	376
	377	//create branch's in TPC treeD
	378	AliSimDigits * digrow = new AliSimDigits;
88cb7938	379	TTree * tree = ogime->TreeD();
88cb7938	380
f648982e	381	tree->Branch("Segment","AliSimDigits",&digrow);
f648982e	382	param->SetZeroSup(2);
	383
	384	Int_t zerosup = param->GetZeroSup();
	385	//Loop over segments of the TPC
	386
13116aec	387	AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetPadGainFactor();
f648982e	388	for (Int_t n=0; n<nentries; n++) {
88cb7938	389	rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0));
	390	gime = rl->GetLoader("TPCLoader");
	391	gime->TreeS()->GetEvent(n);
	392
f648982e	393	digarr[0]->ExpandBuffer();
f648982e	394	digarr[0]->ExpandTrackBuffer();
13116aec	395
13116aec	396
f648982e	397	for (Int_t i=1;i<nInputs; i++){
88cb7938	398	// fManager->GetInputTreeTPCS(i)->GetEntryWithIndex(digarr[0]->GetID(),digarr[0]->GetID());
	399	rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(i));
	400	gime = rl->GetLoader("TPCLoader");
	401	gime->TreeS()->GetEntryWithIndex(digarr[0]->GetID(),digarr[0]->GetID());
f648982e	402	digarr[i]->ExpandBuffer();
	403	digarr[i]->ExpandTrackBuffer();
	404	if ((digarr[0]->GetID()-digarr[i]->GetID())>0)
88cb7938	405	printf("problem\n");
f648982e	406
	407	}
	408
	409	Int_t sec, row;
	410	if (!param->AdjustSectorRow(digarr[0]->GetID(),sec,row)) {
	411	cerr<<"AliTPC warning: invalid segment ID ! "<<digarr[0]->GetID()<<endl;
	412	continue;
	413	}
	414
13116aec	415	AliTPCCalROC * gainROC = gainTPC->GetCalROC(sec); // pad gains per given sector
f648982e	416	digrow->SetID(digarr[0]->GetID());
	417
	418	Int_t nrows = digarr[0]->GetNRows();
	419	Int_t ncols = digarr[0]->GetNCols();
	420	digrow->Allocate(nrows,ncols);
	421	digrow->AllocateTrack(3);
	422
	423	Float_t q=0;
	424	Int_t label[1000]; //stack for 300 events
	425	Int_t labptr = 0;
	426
	427
	428
	429	for (Int_t rows=0;rows<nrows; rows++){
	430	for (Int_t col=0;col<ncols; col++){
	431
88cb7938	432	q=0;
	433	labptr=0;
	434	// looop over digits
f648982e	435	for (Int_t i=0;i<nInputs; i++){
88cb7938	436	q += digarr[i]->GetDigitFast(rows,col);
f648982e	437	//q += *(pdig[i]);
88cb7938	438
f648982e	439	for (Int_t tr=0;tr<3;tr++) {
88cb7938	440	Int_t lab = digarr[i]->GetTrackIDFast(rows,col,tr);
88cb7938	441	//Int_t lab = ptr[i][tr*nElems];
f648982e	442	if ( (lab > 1) ) {
	443	label[labptr]=lab+masks[i];
	444	labptr++;
88cb7938	445	}
f648982e	446	}
88cb7938	447	// pdig[i]++;
	448	//ptr[i]++;
	449
f648982e	450	}
88cb7938	451	q/=16.; //conversion factor
88cb7938	452	// Float_t noise = gRandom->Gaus(0,param->GetNoise()*param->GetNoiseNormFac());
13116aec	453	Float_t gain = gainROC->GetValue(row,col);
13116aec	454	q*= gain;
88cb7938	455	Float_t noise = pTPC->GetNoise();
88cb7938	456	q+=noise;
f648982e	457	q=TMath::Nint(q);
f648982e	458	if (q > zerosup){
88cb7938	459
e93a083a	460	if(q >= param->GetADCSat()) q = (Short_t)(param->GetADCSat() - 1);
88cb7938	461	digrow->SetDigitFast((Short_t)q,rows,col);
	462	// *pdig1 =Short_t(q);
	463	for (Int_t tr=0;tr<3;tr++){
	464	if (tr<labptr)
	465	((AliSimDigits*)digrow)->SetTrackIDFast(label[tr],rows,col,tr);
	466	//ptr1[tr*nElems] = label[tr];
	467	//else
	468	// ((AliSimDigits*)digrow)->SetTrackIDFast(-1,rows,col,tr);
	469	// ptr1[tr*nElems] = 1;
	470	}
	471	}
	472	//pdig1++;
	473	//ptr1++;
f648982e	474	}
	475	}
	476
	477	digrow->CompresBuffer(1,zerosup);
	478	digrow->CompresTrackBuffer(1);
	479	tree->Fill();
	480	if (fDebug>0) cerr<<sec<<"\t"<<row<<"\n";
	481	}
88cb7938	482	// printf("end TPC merging - end -Tree %s\t%p\n",fManager->GetInputTreeH(0)->GetName(),fManager->GetInputTreeH(0)->GetListOfBranches()->At(3));
	483	//fManager->GetTreeDTPC()->Write(0,TObject::kOverwrite);
	484	ogime->WriteDigits("OVERWRITE");
	485
	486	for (Int_t i=1;i<nInputs; i++)
	487	{
	488	rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(i));
	489	gime = rl->GetLoader("TPCLoader");
	490	gime->UnloadSDigits();
	491	}
	492	ogime->UnloadDigits();
	493
f648982e	494	delete digrow;
	495	for (Int_t i1=0;i1<nInputs; i1++) delete digarr[i1];
	496	delete []masks;
	497	delete digarr;
	498	}