[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()
{
// Default ctor - don't use it
  fDebug =0;
}

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