[u/mrichter/AliRoot.git] / ITS / AliITSDigitizer.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/
 
/* $Id$ */
///////////////////////////////////////////////////////////////////////////
//Piotr.Skowronski@cern.ch :                                             //
//Corrections applied in order to compile (only)                         // 
//   with new I/O and folder structure                                   //
//To be implemented correctly by responsible                             //
//                                                                       //
//  Class used to steer                                                  //
//  the digitization for ITS                                             //
//                                                                       //
///////////////////////////////////////////////////////////////////////////

#include <stdlib.h>
#include <TClonesArray.h>
#include <TTree.h>
#include <TBranch.h>

#include "AliRun.h"
#include "AliRunLoader.h"
#include "AliLoader.h"
#include "AliLog.h"
#include "AliRunDigitizer.h"
#include "AliITSDigitizer.h"
#include "AliITSgeom.h"
#include "AliITSsimulation.h"

ClassImp(AliITSDigitizer)

//______________________________________________________________________
AliITSDigitizer::AliITSDigitizer() : AliDigitizer(),
fITS(0),
fModActive(0),
fInit(kFALSE),
fRoif(-1),
fRoiifile(0),
fFlagFirstEv(kTRUE){
    // Default constructor. Assign fITS since it is never written out from
    // here. 
    // Inputs:
    //      Option_t * opt   Not used
    // Outputs:
    //      none.
    // Return:
    //      A blank AliITSDigitizer class.

}
//______________________________________________________________________
AliITSDigitizer::AliITSDigitizer(AliRunDigitizer *mngr) : AliDigitizer(mngr),
fITS(0),
fModActive(0),
fInit(kFALSE),
fRoif(-1),
fRoiifile(0),
fFlagFirstEv(kTRUE){
    // Standard constructor. Assign fITS since it is never written out from
    // here. 
    // Inputs:
    //      Option_t * opt   Not used
    // Outputs:
    //      none.
    // Return:
    //      An AliItSDigitizer class.

}

//______________________________________________________________________
//AliITSDigitizer::AliITSDigitizer(const AliITSDigitizer &/*rec*/):AliDigitizer(/*rec*/){
    // Copy constructor. 

//  Error("Copy constructor","Copy constructor not allowed");
  
//}
//______________________________________________________________________
AliITSDigitizer& AliITSDigitizer::operator=(const AliITSDigitizer& /*source*/){
    // Assignment operator. This is a function which is not allowed to be
    // done.
    Error("operator=","Assignment operator not allowed\n");
    return *this; 
}

//______________________________________________________________________
AliITSDigitizer::~AliITSDigitizer(){
    // Default destructor. 
    // Inputs:
    //      Option_t * opt   Not used
    // Outputs:
    //      none.
    // Return:
    //      none.
    fITS = 0; // don't delete fITS. Done else where.
    if(fModActive) delete[] fModActive;
}
//______________________________________________________________________
Bool_t AliITSDigitizer::Init(){
    // Initialization. Set up region of interest, if switched on, and
    // loads ITS and ITSgeom.
    // Inputs:
    //      none.
    // Outputs:
    //      none.
    // Return:
    //      none.

    fInit = kTRUE; // Assume for now init will work.
    if(!gAlice) {
	fITS      = 0;
	fRoiifile = 0;
	fInit     = kFALSE;
	Warning("Init","gAlice not found");
	return fInit;
    } // end if
    fITS = (AliITS *)(gAlice->GetDetector("ITS"));
    if(!fITS){
	fRoiifile = 0;
	fInit     = kFALSE;
	Warning("Init","ITS not found");
	return fInit;
    } else if(fITS->GetITSgeom()){
	//cout << "fRoif,fRoiifile="<<fRoif<<" "<<fRoiifile<<endl;
	fModActive = new Bool_t[fITS->GetITSgeom()->GetIndexMax()];
    } else{
	fRoiifile = 0;
	fInit     = kFALSE;
	Warning("Init","ITS geometry not found");
	return fInit;
    } // end if
    // fModActive needs to be set to a default all kTRUE value
    for(Int_t i=0;i<fITS->GetITSgeom()->GetIndexMax();i++) fModActive[i] = kTRUE;
    return fInit;
}
//______________________________________________________________________
void AliITSDigitizer::Exec(Option_t* opt){
    // Main digitization function. 
    // Inputs:
    //      Option_t * opt   list of sub detector to digitize. =0 all.
    // Outputs:
    //      none.
    // Return:
    //      none.

    char name[20] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
    const char *all;
    const char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),
                          strstr(opt,"SSD")};
    if( !det[0] && !det[1] && !det[2] ) all = "All";
    else all = 0;
    Int_t nfiles = GetManager()->GetNinputs();
    Int_t event  = GetManager()->GetOutputEventNr();
    AliITSsimulation *sim      = 0;
    if(fFlagFirstEv){
      fITS->SetDefaults();    
      fITS->SetDefaultSimulation();
      fFlagFirstEv=kFALSE;
    }
    if(!fInit){
	Error("Exec","Init not successful, aborting.");
	return;
    } // end if

    sprintf(name,"%s",fITS->GetName());

    Int_t size   = fITS->GetITSgeom()->GetIndexMax();
    Int_t module,id,ifiles,mask;
    Bool_t lmod;
    Int_t *fl = new Int_t[nfiles];
    fl[0] = fRoiifile;
    mask = 1;
    for(id=0;id<nfiles;id++) 
     if(id!=fRoiifile)
      {
       // just in case fRoiifile!=0.
        fl[mask] = id;
        mask++;
      } // end for,if
    TClonesArray * sdig = new TClonesArray( "AliITSpListItem",1000 );
    
    TString loadname(name);
    loadname+="Loader";
    
    AliRunLoader *inRL = 0x0, *outRL = 0x0;
    AliLoader *ingime = 0x0, *outgime = 0x0;    
    
    outRL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());    
    if ( outRL == 0x0)
     {
       Error("Exec","Can not get Output Run Loader");
       return;
     }
    outRL->GetEvent(event);
    outgime = outRL->GetLoader(loadname);
    if ( outgime == 0x0)
     {
       Error("Exec","Can not get Output ITS Loader");
       return;
     }

    outgime->LoadDigits("update");
    if (outgime->TreeD() == 0x0) outgime->MakeTree("D");
    
    // Digitize
    fITS->MakeBranchInTreeD(outgime->TreeD());
    if(fRoif!=0) {
      AliDebug(1,"Region of Interest digitization selected");
    }
    else {
      AliDebug(1,"No Region of Interest selected. Digitizing everything");
    }
    if(fModActive==0) fRoif = 0; // fModActive array must be define for RIO cuts.

    for(ifiles=0; ifiles<nfiles; ifiles++ )
     {
       inRL =  AliRunLoader::GetRunLoader(fManager->GetInputFolderName(fl[ifiles]));
       ingime = inRL->GetLoader(loadname);
       if (ingime->TreeS() == 0x0) ingime->LoadSDigits();
     }

    for(module=0; module<size; module++ )
     {
       if(fModActive && fRoif!=0) if(!fModActive[module]) continue;
       id = fITS->GetITSgeom()->GetModuleType(module);
       if(!all && !det[id]) continue;
       sim      = (AliITSsimulation*)fITS->GetSimulationModel(id);
       if(!sim) {
            Error( "Exec", "The simulation class was not instanciated!" );
            exit(1);
        } // end if !sim
           // Fill the module with the sum of SDigits
        sim->InitSimulationModule(module, event);
	//cout << "Module=" << module;
        for(ifiles=0; ifiles<nfiles; ifiles++ )
         {
           if(fRoif!=0) if(!fModActive[module]) continue;
            
           inRL =  AliRunLoader::GetRunLoader(fManager->GetInputFolderName(fl[ifiles]));
           ingime = inRL->GetLoader(loadname);
           
           TTree *treeS = ingime->TreeS();
           fITS->SetTreeAddress();
           
           if( !(treeS && fITS->GetSDigits()) ) continue; 
           TBranch *brchSDigits = treeS->GetBranch( name );
           if( brchSDigits ) 
            {
                brchSDigits->SetAddress( &sdig ); 
            } else {
                Error( "Exec", "branch ITS not found in TreeS, input file %d ",
                       ifiles );
		return;
            } // end if brchSDigits
            sdig->Clear();
            mask = GetManager()->GetMask(ifiles);
            // add summable digits to module
            brchSDigits->GetEvent( module );
            lmod = sim->AddSDigitsToModule(sdig,mask);
            if(fRegionOfInterest && (ifiles==0))
             {
               fModActive[module] = lmod;
             } // end if
        } // end for ifiles
	//cout << " end ifiles loop" << endl;
        // Digitize current module sum(SDigits)->Digits
	sim->FinishSDigitiseModule();

        // fills all branches - wasted disk space
        outgime->TreeD()->Fill();
	fITS->ResetDigits();
    } // end for module
    
    outgime->TreeD()->AutoSave();
    outgime->WriteDigits("OVERWRITE");
    outgime->UnloadDigits();
    for(ifiles=0; ifiles<nfiles; ifiles++ )
     {
       inRL =  AliRunLoader::GetRunLoader(fManager->GetInputFolderName(fl[ifiles]));
       ingime = inRL->GetLoader(loadname);
       ingime->UnloadSDigits();
     }

    delete[] fl;
    sdig->Clear();
    delete sdig;
    for(Int_t i=0;i<fITS->GetITSgeom()->GetIndexMax();i++) fModActive[i] = kTRUE;
    

    return;
}
//______________________________________________________________________
void AliITSDigitizer::SetByRegionOfInterest(TTree *ts){
    // Scans through the ITS branch of the SDigits tree, ts, for modules
    // which have SDigits in them. For these modules, a flag is set to
    // digitize only these modules. The value of fRoif determines how many
    // neighboring modules will also be turned on. fRoif=0 will turn on only
    // those modules with SDigits in them. fRoif=1 will turn on, in addition,
    // those modules that are +-1 module from the one with the SDigits. And
    // So on. This last feature is not supported yet.
    // Inputs:
    //      TTree *ts  The tree in which the existing SDigits will define the
    //                 region of interest.
    // Outputs:
    //      none.
    // Return:
    //      none.
    Int_t m,nm,i;

    if(fRoif==0) return;
    if(ts==0) return;
    TBranch *brchSDigits = ts->GetBranch(fITS->GetName());
    TClonesArray * sdig = new TClonesArray( "AliITSpListItem",1000 );
    //cout << "Region of Interest ts="<<ts<<" brchSDigits="<<brchSDigits<<" sdig="<<sdig<<endl;

    if( brchSDigits ) {
      brchSDigits->SetAddress( &sdig );
    } else {
      Error( "SetByRegionOfInterest","branch ITS not found in TreeS");
      return;
    } // end if brchSDigits

    nm = fITS->GetITSgeom()->GetIndexMax();
    for(m=0;m<nm;m++){
      //cout << " fModActive["<<m<<"]=";
      fModActive[m] = kFALSE; // Not active by default
      sdig->Clear();
      brchSDigits->GetEvent(m);
      if(sdig->GetLast()>=0) for(i=0;i<sdig->GetLast();i++){
          // activate the necessary modules
          if(((AliITSpList*)sdig->At(m))->GetpListItem(i)->GetSignal()>0.0){ // Must have non zero signal.
            fModActive[m] = kTRUE;
            break;
          } // end if
      } // end if. end for i.
      //cout << fModActive[m];
      //cout << endl;
    } // end for m
    AliDebug(1,"Digitization by Region of Interest selected");
    sdig->Clear();
    delete sdig;
    return;
}
Commit	Line	Data
9ad8b5dd	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
88cb7938	16	/* $Id$ */
7d62fb64	17	///////////////////////////////////////////////////////////////////////////
	18	//Piotr.Skowronski@cern.ch : //
	19	//Corrections applied in order to compile (only) //
	20	// with new I/O and folder structure //
	21	//To be implemented correctly by responsible //
	22	// //
	23	// Class used to steer //
	24	// the digitization for ITS //
	25	// //
	26	///////////////////////////////////////////////////////////////////////////
88cb7938	27
28af028c	28	#include <stdlib.h>
88cb7938	29	#include <TClonesArray.h>
9ad8b5dd	30	#include <TTree.h>
	31	#include <TBranch.h>
	32
64f311fe	33	#include "AliRun.h"
	34	#include "AliRunLoader.h"
	35	#include "AliLoader.h"
	36	#include "AliLog.h"
	37	#include "AliRunDigitizer.h"
9ad8b5dd	38	#include "AliITSDigitizer.h"
88cb7938	39	#include "AliITSgeom.h"
9ad8b5dd	40	#include "AliITSsimulation.h"
0b572028	41
9ad8b5dd	42	ClassImp(AliITSDigitizer)
	43
	44	//______________________________________________________________________
7537d03c	45	AliITSDigitizer::AliITSDigitizer() : AliDigitizer(),
	46	fITS(0),
	47	fModActive(0),
	48	fInit(kFALSE),
	49	fRoif(-1),
	50	fRoiifile(0),
	51	fFlagFirstEv(kTRUE){
9ad8b5dd	52	// Default constructor. Assign fITS since it is never written out from
	53	// here.
	54	// Inputs:
	55	// Option_t * opt Not used
	56	// Outputs:
	57	// none.
	58	// Return:
	59	// A blank AliITSDigitizer class.
	60
9ad8b5dd	61	}
9ad8b5dd	62	//______________________________________________________________________
7537d03c	63	AliITSDigitizer::AliITSDigitizer(AliRunDigitizer *mngr) : AliDigitizer(mngr),
	64	fITS(0),
	65	fModActive(0),
	66	fInit(kFALSE),
	67	fRoif(-1),
	68	fRoiifile(0),
	69	fFlagFirstEv(kTRUE){
9ad8b5dd	70	// Standard constructor. Assign fITS since it is never written out from
	71	// here.
	72	// Inputs:
	73	// Option_t * opt Not used
	74	// Outputs:
	75	// none.
	76	// Return:
	77	// An AliItSDigitizer class.
	78
9ad8b5dd	79	}
7d62fb64	80
7d62fb64	81	//______________________________________________________________________
7537d03c	82	//AliITSDigitizer::AliITSDigitizer(const AliITSDigitizer &/rec/):AliDigitizer(/rec/){
7d62fb64	83	// Copy constructor.
7d62fb64	84
7537d03c	85	// Error("Copy constructor","Copy constructor not allowed");
7d62fb64	86
7537d03c	87	//}
7d62fb64	88	//______________________________________________________________________
	89	AliITSDigitizer& AliITSDigitizer::operator=(const AliITSDigitizer& /source/){
	90	// Assignment operator. This is a function which is not allowed to be
	91	// done.
	92	Error("operator=","Assignment operator not allowed\n");
	93	return *this;
	94	}
	95
9ad8b5dd	96	//______________________________________________________________________
	97	AliITSDigitizer::~AliITSDigitizer(){
	98	// Default destructor.
	99	// Inputs:
	100	// Option_t * opt Not used
	101	// Outputs:
	102	// none.
	103	// Return:
	104	// none.
9ad8b5dd	105	fITS = 0; // don't delete fITS. Done else where.
0b572028	106	if(fModActive) delete[] fModActive;
9ad8b5dd	107	}
9ad8b5dd	108	//______________________________________________________________________
9ad8b5dd	109	Bool_t AliITSDigitizer::Init(){
fd04285a	110	// Initialization. Set up region of interest, if switched on, and
fd04285a	111	// loads ITS and ITSgeom.
9ad8b5dd	112	// Inputs:
	113	// none.
	114	// Outputs:
	115	// none.
	116	// Return:
	117	// none.
fca85276	118
fd04285a	119	fInit = kTRUE; // Assume for now init will work.
fca85276	120	if(!gAlice) {
fca85276	121	fITS = 0;
fca85276	122	fRoiifile = 0;
fd04285a	123	fInit = kFALSE;
	124	Warning("Init","gAlice not found");
	125	return fInit;
fca85276	126	} // end if
	127	fITS = (AliITS *)(gAlice->GetDetector("ITS"));
	128	if(!fITS){
fca85276	129	fRoiifile = 0;
fd04285a	130	fInit = kFALSE;
	131	Warning("Init","ITS not found");
	132	return fInit;
fca85276	133	} else if(fITS->GetITSgeom()){
fd04285a	134	//cout << "fRoif,fRoiifile="<<fRoif<<" "<<fRoiifile<<endl;
0b572028	135	fModActive = new Bool_t[fITS->GetITSgeom()->GetIndexMax()];
fca85276	136	} else{
fca85276	137	fRoiifile = 0;
fd04285a	138	fInit = kFALSE;
	139	Warning("Init","ITS geometry not found");
	140	return fInit;
fca85276	141	} // end if
0b572028	142	// fModActive needs to be set to a default all kTRUE value
0b572028	143	for(Int_t i=0;i<fITS->GetITSgeom()->GetIndexMax();i++) fModActive[i] = kTRUE;
fd04285a	144	return fInit;
9ad8b5dd	145	}
	146	//______________________________________________________________________
	147	void AliITSDigitizer::Exec(Option_t* opt){
fca85276	148	// Main digitization function.
9ad8b5dd	149	// Inputs:
fca85276	150	// Option_t * opt list of sub detector to digitize. =0 all.
9ad8b5dd	151	// Outputs:
	152	// none.
	153	// Return:
	154	// none.
f1888ca5	155
9ad8b5dd	156	char name[20] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
8e8eae84	157	const char *all;
9ad8b5dd	158	const char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),
9ad8b5dd	159	strstr(opt,"SSD")};
f1888ca5	160	if( !det[0] && !det[1] && !det[2] ) all = "All";
9ad8b5dd	161	else all = 0;
2a476797	162	Int_t nfiles = GetManager()->GetNinputs();
2a476797	163	Int_t event = GetManager()->GetOutputEventNr();
9ad8b5dd	164	AliITSsimulation *sim = 0;
2a476797	165	if(fFlagFirstEv){
	166	fITS->SetDefaults();
	167	fITS->SetDefaultSimulation();
	168	fFlagFirstEv=kFALSE;
	169	}
fd04285a	170	if(!fInit){
2a476797	171	Error("Exec","Init not successful, aborting.");
f1888ca5	172	return;
9ad8b5dd	173	} // end if
9ad8b5dd	174
fd04285a	175	sprintf(name,"%s",fITS->GetName());
9ad8b5dd	176
2a476797	177	Int_t size = fITS->GetITSgeom()->GetIndexMax();
fd04285a	178	Int_t module,id,ifiles,mask;
	179	Bool_t lmod;
	180	Int_t *fl = new Int_t[nfiles];
	181	fl[0] = fRoiifile;
	182	mask = 1;
88cb7938	183	for(id=0;id<nfiles;id++)
	184	if(id!=fRoiifile)
	185	{
	186	// just in case fRoiifile!=0.
	187	fl[mask] = id;
	188	mask++;
	189	} // end for,if
f1888ca5	190	TClonesArray * sdig = new TClonesArray( "AliITSpListItem",1000 );
f1888ca5	191
88cb7938	192	TString loadname(name);
	193	loadname+="Loader";
	194
	195	AliRunLoader inRL = 0x0, outRL = 0x0;
	196	AliLoader ingime = 0x0, outgime = 0x0;
	197
	198	outRL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
	199	if ( outRL == 0x0)
	200	{
	201	Error("Exec","Can not get Output Run Loader");
	202	return;
	203	}
	204	outRL->GetEvent(event);
	205	outgime = outRL->GetLoader(loadname);
	206	if ( outgime == 0x0)
	207	{
	208	Error("Exec","Can not get Output ITS Loader");
	209	return;
	210	}
7d62fb64	211
88cb7938	212	outgime->LoadDigits("update");
	213	if (outgime->TreeD() == 0x0) outgime->MakeTree("D");
	214
fd04285a	215	// Digitize
88cb7938	216	fITS->MakeBranchInTreeD(outgime->TreeD());
64f311fe	217	if(fRoif!=0) {
	218	AliDebug(1,"Region of Interest digitization selected");
	219	}
	220	else {
	221	AliDebug(1,"No Region of Interest selected. Digitizing everything");
	222	}
0b572028	223	if(fModActive==0) fRoif = 0; // fModActive array must be define for RIO cuts.
f1888ca5	224
88cb7938	225	for(ifiles=0; ifiles<nfiles; ifiles++ )
	226	{
	227	inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(fl[ifiles]));
	228	ingime = inRL->GetLoader(loadname);
	229	if (ingime->TreeS() == 0x0) ingime->LoadSDigits();
	230	}
	231
	232	for(module=0; module<size; module++ )
	233	{
7d62fb64	234	if(fModActive && fRoif!=0) if(!fModActive[module]) continue;
	235	id = fITS->GetITSgeom()->GetModuleType(module);
	236	if(!all && !det[id]) continue;
	237	sim = (AliITSsimulation*)fITS->GetSimulationModel(id);
	238	if(!sim) {
f1888ca5	239	Error( "Exec", "The simulation class was not instanciated!" );
9ad8b5dd	240	exit(1);
9ad8b5dd	241	} // end if !sim
7d62fb64	242	// Fill the module with the sum of SDigits
fd04285a	243	sim->InitSimulationModule(module, event);
fd04285a	244	//cout << "Module=" << module;
88cb7938	245	for(ifiles=0; ifiles<nfiles; ifiles++ )
	246	{
	247	if(fRoif!=0) if(!fModActive[module]) continue;
	248
	249	inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(fl[ifiles]));
	250	ingime = inRL->GetLoader(loadname);
	251
	252	TTree *treeS = ingime->TreeS();
	253	fITS->SetTreeAddress();
	254
	255	if( !(treeS && fITS->GetSDigits()) ) continue;
	256	TBranch *brchSDigits = treeS->GetBranch( name );
	257	if( brchSDigits )
	258	{
f1888ca5	259	brchSDigits->SetAddress( &sdig );
	260	} else {
	261	Error( "Exec", "branch ITS not found in TreeS, input file %d ",
	262	ifiles );
fd04285a	263	return;
f1888ca5	264	} // end if brchSDigits
f1888ca5	265	sdig->Clear();
fd04285a	266	mask = GetManager()->GetMask(ifiles);
f1888ca5	267	// add summable digits to module
f1888ca5	268	brchSDigits->GetEvent( module );
fd04285a	269	lmod = sim->AddSDigitsToModule(sdig,mask);
e95475eb	270	if(fRegionOfInterest && (ifiles==0))
88cb7938	271	{
	272	fModActive[module] = lmod;
	273	} // end if
f1888ca5	274	} // end for ifiles
fd04285a	275	//cout << " end ifiles loop" << endl;
fca85276	276	// Digitize current module sum(SDigits)->Digits
7d62fb64	277	sim->FinishSDigitiseModule();
f1888ca5	278
9ad8b5dd	279	// fills all branches - wasted disk space
88cb7938	280	outgime->TreeD()->Fill();
7d62fb64	281	fITS->ResetDigits();
9ad8b5dd	282	} // end for module
7d62fb64	283
88cb7938	284	outgime->TreeD()->AutoSave();
	285	outgime->WriteDigits("OVERWRITE");
	286	outgime->UnloadDigits();
88cb7938	287	for(ifiles=0; ifiles<nfiles; ifiles++ )
	288	{
	289	inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(fl[ifiles]));
	290	ingime = inRL->GetLoader(loadname);
	291	ingime->UnloadSDigits();
	292	}
fd04285a	293
fd04285a	294	delete[] fl;
f1888ca5	295	sdig->Clear();
f1888ca5	296	delete sdig;
0b572028	297	for(Int_t i=0;i<fITS->GetITSgeom()->GetIndexMax();i++) fModActive[i] = kTRUE;
7d62fb64	298
7d62fb64	299
fd04285a	300	return;
9ad8b5dd	301	}
fca85276	302	//______________________________________________________________________
	303	void AliITSDigitizer::SetByRegionOfInterest(TTree *ts){
	304	// Scans through the ITS branch of the SDigits tree, ts, for modules
	305	// which have SDigits in them. For these modules, a flag is set to
	306	// digitize only these modules. The value of fRoif determines how many
	307	// neighboring modules will also be turned on. fRoif=0 will turn on only
	308	// those modules with SDigits in them. fRoif=1 will turn on, in addition,
	309	// those modules that are +-1 module from the one with the SDigits. And
	310	// So on. This last feature is not supported yet.
	311	// Inputs:
	312	// TTree *ts The tree in which the existing SDigits will define the
	313	// region of interest.
	314	// Outputs:
	315	// none.
	316	// Return:
	317	// none.
fd04285a	318	Int_t m,nm,i;
	319
	320	if(fRoif==0) return;
	321	if(ts==0) return;
fca85276	322	TBranch *brchSDigits = ts->GetBranch(fITS->GetName());
fca85276	323	TClonesArray * sdig = new TClonesArray( "AliITSpListItem",1000 );
fd04285a	324	//cout << "Region of Interest ts="<<ts<<" brchSDigits="<<brchSDigits<<" sdig="<<sdig<<endl;
fca85276	325
fca85276	326	if( brchSDigits ) {
88cb7938	327	brchSDigits->SetAddress( &sdig );
fca85276	328	} else {
88cb7938	329	Error( "SetByRegionOfInterest","branch ITS not found in TreeS");
88cb7938	330	return;
fca85276	331	} // end if brchSDigits
	332
	333	nm = fITS->GetITSgeom()->GetIndexMax();
	334	for(m=0;m<nm;m++){
88cb7938	335	//cout << " fModActive["<<m<<"]=";
	336	fModActive[m] = kFALSE; // Not active by default
	337	sdig->Clear();
	338	brchSDigits->GetEvent(m);
	339	if(sdig->GetLast()>=0) for(i=0;i<sdig->GetLast();i++){
	340	// activate the necessary modules
	341	if(((AliITSpList*)sdig->At(m))->GetpListItem(i)->GetSignal()>0.0){ // Must have non zero signal.
	342	fModActive[m] = kTRUE;
	343	break;
	344	} // end if
	345	} // end if. end for i.
	346	//cout << fModActive[m];
	347	//cout << endl;
fca85276	348	} // end for m
64f311fe	349	AliDebug(1,"Digitization by Region of Interest selected");
fca85276	350	sdig->Clear();
fca85276	351	delete sdig;
fd04285a	352	return;
fca85276	353	}