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

#include "AliITSdigit.h"
#include "AliITSLoader.h"
#include "AliRunLoader.h"
#include "AliLog.h"

///////////////////////////////////////////////////////////////////////////
// Loader for ITS
// it manages the I/O for:
// raw clusters, primary vertices
// V0 and cascade
// and tracks propagated to the origin
//////////////////////////////////////////////////////////////////////////
const TString AliITSLoader::fgkDefaultRawClustersContainerName = "TreeC";
const TString AliITSLoader::fgkDefaultBackTracksContainerName = "TreeB";
const TString AliITSLoader::fgkDefaultVerticesContainerName = "Vertex";
const TString AliITSLoader::fgkDefaultV0ContainerName = "V0";
const TString AliITSLoader::fgkDefaultCascadeContainerName = "Cascade";
ClassImp(AliITSLoader)

/**********************************************************************/
  AliITSLoader::AliITSLoader():AliLoader(){
  // Default constructor
  fITSpid = 0;
  fGeom = 0;
}
/*********************************************************************/
AliITSLoader::AliITSLoader(const Char_t *name,const Char_t *topfoldername):
AliLoader(name,topfoldername){
  //ctor   
    AliDataLoader* rawClustersDataLoader = new AliDataLoader(
        fDetectorName + ".RawCl.root",fgkDefaultRawClustersContainerName,
        "Raw Clusters");
    fDataLoaders->Add(rawClustersDataLoader);
    rawClustersDataLoader->SetEventFolder(fEventFolder);
    rawClustersDataLoader->SetFolder(GetDetectorDataFolder());

    AliDataLoader* backTracksDataLoader =  new AliDataLoader(
        fDetectorName + ".BackTracks.root",fgkDefaultBackTracksContainerName,
        "Back Propagated Tracks");
    fDataLoaders->Add(backTracksDataLoader);
    backTracksDataLoader->SetEventFolder(fEventFolder);
    backTracksDataLoader->SetFolder(GetDetectorDataFolder());

    AliDataLoader* vertexDataLoader = new AliDataLoader(
        fDetectorName + ".Vertex.root",fgkDefaultVerticesContainerName,
        "Primary Vertices","O");
    fDataLoaders->Add(vertexDataLoader);
    vertexDataLoader->SetEventFolder(fEventFolder);
    vertexDataLoader->SetFolder(GetDetectorDataFolder());

    AliDataLoader* v0DataLoader = new AliDataLoader(
        fDetectorName + ".V0s.root",fgkDefaultV0ContainerName,"V0 Vertices");
    fDataLoaders->Add(v0DataLoader);
    v0DataLoader->SetEventFolder(fEventFolder);
    v0DataLoader->SetFolder(GetDetectorDataFolder());

    AliDataLoader* cascadeDataLoader = new AliDataLoader(
        fDetectorName + ".Cascades.root",fgkDefaultCascadeContainerName,
        "Cascades");
    fDataLoaders->Add(cascadeDataLoader);
    cascadeDataLoader->SetEventFolder(fEventFolder);
    cascadeDataLoader->SetFolder(GetDetectorDataFolder());
    fITSpid=0;
    fGeom = 0;
}
/**********************************************************************/
AliITSLoader::AliITSLoader(const Char_t *name,TFolder *topfolder): 
AliLoader(name,topfolder) {
  //ctor  
    AliDataLoader*  rawClustersDataLoader = new AliDataLoader(
        fDetectorName + ".RawCl.root",fgkDefaultRawClustersContainerName,
        "Raw Clusters"); 
    fDataLoaders->Add(rawClustersDataLoader);
    rawClustersDataLoader->SetEventFolder(fEventFolder);
    rawClustersDataLoader->SetFolder(GetDetectorDataFolder());

    AliDataLoader*  backTracksDataLoader =  new AliDataLoader(
        fDetectorName + ".BackTracks.root",fgkDefaultBackTracksContainerName,
        "Back Propagated Tracks");
    fDataLoaders->Add(backTracksDataLoader);
    backTracksDataLoader->SetEventFolder(fEventFolder);
    backTracksDataLoader->SetFolder(GetDetectorDataFolder());

    AliDataLoader* vertexDataLoader = new AliDataLoader(
        fDetectorName + ".Vertex.root",fgkDefaultVerticesContainerName,
        "Primary Vertices","O");
    fDataLoaders->Add(vertexDataLoader);
    vertexDataLoader->SetEventFolder(fEventFolder);
    vertexDataLoader->SetFolder(GetDetectorDataFolder());

    AliDataLoader* v0DataLoader = new AliDataLoader(
        fDetectorName + ".V0.root",fgkDefaultV0ContainerName,"V0 Vertices");
    fDataLoaders->Add(v0DataLoader);
    v0DataLoader->SetEventFolder(fEventFolder);
    v0DataLoader->SetFolder(GetDetectorDataFolder());

    AliDataLoader* cascadeDataLoader = new AliDataLoader(
        fDetectorName + ".Cascade.root",fgkDefaultCascadeContainerName,
        "Cascades");
    fDataLoaders->Add(cascadeDataLoader);
    cascadeDataLoader->SetEventFolder(fEventFolder);
    cascadeDataLoader->SetFolder(GetDetectorDataFolder());
    fITSpid = 0;
    fGeom = 0;
}

//______________________________________________________________________
AliITSLoader::AliITSLoader(const AliITSLoader &ob) : AliLoader(ob) {
  // Copy constructor
  // Copies are not allowed. The method is protected to avoid misuse.
  Error("AliITSLoader","Copy constructor not allowed\n");
}

//______________________________________________________________________
AliITSLoader& AliITSLoader::operator=(const AliITSLoader& /* ob */){
  // Assignment operator
  // Assignment is not allowed. The method is protected to avoid misuse.
  Error("= operator","Assignment operator not allowed\n");
  return *this;
}

/**********************************************************************/
AliITSLoader::~AliITSLoader(){
    //destructor
    AliDataLoader* dl = 0;
    UnloadRawClusters();
    dl = GetRawClLoader();
    fDataLoaders->Remove(dl);

    UnloadBackTracks();
    dl = GetBackTracksDataLoader();
    fDataLoaders->Remove(dl);

    UnloadVertices();
    dl = GetVertexDataLoader();
    fDataLoaders->Remove(dl);

    UnloadV0s();
    dl = GetV0DataLoader();
    fDataLoaders->Remove(dl);

    UnloadCascades();
    dl = GetCascadeDataLoader();
    fDataLoaders->Remove(dl);
    if(fITSpid)delete fITSpid;
    if(fGeom)delete fGeom;
}
/*
//----------------------------------------------------------------------
AliITS* AliITSLoader::GetITS(){
    // Returns the pointer to the ITS, kept on the file. A short cut metthod
    // Inputs:
    //    none.
    // Outputs:
    //    none.
    // Returns:
    //    Returns a pointer to the ITS, if not found returns 0.
    AliITS *its;

    if(gAlice){
        its = dynamic_cast<AliITS*> (gAlice->GetDetector(
            GetDetectorName().Data()));
        if(its) return its;
    } // end if gAlice
    AliRunLoader *rl=0;
    rl = GetRunLoader();
    if(!rl) return 0;
    AliRun *ar=0;
    ar = rl->GetAliRun();
    if(!ar) return 0;
    its = dynamic_cast<AliITS*> (ar->GetDetector(GetDetectorName().Data()));
    return its;
}
//----------------------------------------------------------------------
void AliITSLoader::SetupDigits(AliITS *its){
    // Sets up to store ITS Digits in side AliITS::fDtype TObjArray
    // Inputs:
    //    AliITS *its  Pointer to the ITS
    // Outputs:
    //    none.
    // Return:
    //    none.

    its->SetTreeAddressD(TreeD());
}
*/
//----------------------------------------------------------------------
void AliITSLoader::SetupDigits(TObjArray *digPerDet,Int_t n,
                               const Char_t **digclass){
    // Sets up digPerDet to store ITS Digits.
    // Inputs:
    //    TObjArray *digPerDet   A pointer to a TObject Array size>=3.
    //    Int_t      n           The size of the TObjArray and digclass array
    //    Char_t     **digclass  Array of digit class names
    // Outputs:
    //    TObjArray *digPerDet   Setup and linked to the tree of digits
    // Return:
    //    none.
    Int_t i,m;
    TClonesArray *cl = 0;
    TTree *td = 0;
    TBranch *br = 0;
    Char_t branch[13];
    const Char_t *det[3] = {"SPD","SDD","SSD"};

    if(!digPerDet){
        Error("SetUpDigits","TObject Array digPerDet does not exist");
        return;
    } // end if
    m = digPerDet->GetSize();
    if(m<n){
        Error("SetUpDigits","TObject Array digPerDet=%p must have a size"
              " at least that of n=%d",digPerDet,n);
    } // end if
    if(m<3){
        Error("SetUpDigits","TObject Array digPerDet=%p must have a size >2",
              digPerDet);
        return;
    } // end if
    td = TreeD();
    for(i=0;i<n;i++){
        if(digPerDet->At(i)==0){ // set up TClones Array
            digPerDet->AddAt(new TClonesArray(digclass[i],1000),i);
            if(n==3) sprintf(branch,"ITSDigits%s",det[i]);
            else     sprintf(branch,"ITSDigits%d",i+1);
            br = td->GetBranch(branch);
            br->SetAddress(&((*digPerDet)[i]));
            continue; // do next one.
        } // end if
        cl =  dynamic_cast<TClonesArray*> (digPerDet->At(i));
        if(!cl && digPerDet->At(i)!=0){  // not a TClonesArray
            Error("SetUpDigits","TObject Array digPerDet-At(%d)=%p must be "
                  "zeroed or filled with TClonesArrays",i,digPerDet);
            return;
        } // end if
        if(!(cl->GetClass()->GetBaseClass(AliITSdigit::Class()))){
            Error("SetUPDigits","TClones array at digPerDet[%d}=%p must be"
                  "derived from AliITSdigit",i,digPerDet->At(i));
        } // end if
        cl->Clear();
        if(n==3) sprintf(branch,"ITSDigits%s",det[i]);
        else     sprintf(branch,"ITSDigits%d",i+1);
        br = td->GetBranch(branch);
        br->SetAddress(&((*digPerDet)[i]));
        continue;
    } // end for i
}
//---------------------------------------------------------------------
AliITSdigit * AliITSLoader::GetDigit(TObjArray *digPerDet,Int_t module,
                                     Int_t digit){
    // Gets the digit for for a specific detector type and module.
    // To be used in conjustion with Setupdigits(AliITS *its).
    // Inputs:
    //   TObjArray *digPereDet    Pointer to the Array of digits
    //   Int_t      module        Module number
    //   Int_t      digit         Digit number
    // Outputs:
    //   none.
    // Return:
    //   returns the pointer to the digit. if zero then last digit for that
    //   module.

    if(digPerDet==0){
        Error("GetDigit","digPerDet=%p, module=%d, digit=%d",
              digPerDet,module,digit);
        return 0;
    } // end if
    return 0;
}
/*
//---------------------------------------------------------------------
AliITSdigit * AliITSLoader::GetDigit(AliITS *its,Int_t module,Int_t digit){
    // Gets the digit for for a specific detector type and module.
    // To be used in conjustion with Setupdigits(AliITS *its).
    // Inputs:
    //   AliITS *its    Pointer to the ITS
    //   Int_t  module  Module number
    //   Int_t digit    Digit number
    // Outputs:
    //   none.
    // Return:
    //   returns the pointer to the digit. if zero then last digit for that
    //   module.
    //AliITSDetType *idtype;
    AliITSgeom *geom = its->GetITSgeom();
    Int_t idet = geom->GetModuleType(module);
    TClonesArray *digits;
 
    its->ResetDigits();
    TreeD()->GetEvent(module);
    digits = its->DigitsAddress(idet);
    if(digit>-1 && digit<digits->GetEntriesFast()){ // if in range.
        return (AliITSdigit*) digits->At(digit);
    } // end if
    return 0;
}
*/
//----------------------------------------------------------------------
void AliITSLoader::MakeTree(Option_t *opt){
    // invokes AliLoader::MakeTree + specific ITS tree(s)
    // Valid options: H,S,D,R,T and C (C=raw clusters)
    AliLoader::MakeTree(opt);
    const char *oC = strstr(opt,"C");
    if (oC) MakeRawClustersContainer();

    const char *oB = strstr(opt,"B");
    if (oB) MakeBackTracksContainer();

    const char *oV0 = strstr(opt,"V0");
    if (oV0) MakeV0Container();

    const char *oX = strstr(opt,"X");
    if (oX) MakeCascadeContainer();
}

//----------------------------------------------------------------------
AliITSgeom* AliITSLoader::GetITSgeom(Bool_t force) {
  // retrieves the ITS geometry from file
  if(fGeom && !force)return fGeom;
  if(fGeom && force){
    delete fGeom;
    fGeom = 0;
  }
  AliRunLoader *runLoader = GetRunLoader();
  if (!runLoader->GetAliRun()) runLoader->LoadgAlice();
  if (!runLoader->GetAliRun()) {
    Error("GetITSgeom", "couldn't get AliRun object");
    return NULL;
  }
  
  TDirectory *curdir = gDirectory;
  runLoader->CdGAFile();
  fGeom = (AliITSgeom*)gDirectory->Get("AliITSgeom");
  curdir->cd();
  if(!fGeom){
    Error("GetITSgeom","no ITS geometry available");
    return NULL;
  }
  AliWarning("AliITSgeom object has been fetched from galice.root file");
  return fGeom;
}
Commit	Line	Data
aacedc3e	1	#include "AliITSdigit.h"
88cb7938	2	#include "AliITSLoader.h"
7d62fb64	3	#include "AliRunLoader.h"
13033bec	4	#include "AliLog.h"
88cb7938	5
aacedc3e	6	///////////////////////////////////////////////////////////////////////////
eeac5f9f	7	// Loader for ITS
	8	// it manages the I/O for:
	9	// raw clusters, primary vertices
	10	// V0 and cascade
	11	// and tracks propagated to the origin
aacedc3e	12	//////////////////////////////////////////////////////////////////////////
88cb7938	13	const TString AliITSLoader::fgkDefaultRawClustersContainerName = "TreeC";
	14	const TString AliITSLoader::fgkDefaultBackTracksContainerName = "TreeB";
	15	const TString AliITSLoader::fgkDefaultVerticesContainerName = "Vertex";
566abf75	16	const TString AliITSLoader::fgkDefaultV0ContainerName = "V0";
566abf75	17	const TString AliITSLoader::fgkDefaultCascadeContainerName = "Cascade";
88cb7938	18	ClassImp(AliITSLoader)
88cb7938	19
aacedc3e	20	/**********************************************************************/
eeac5f9f	21	AliITSLoader::AliITSLoader():AliLoader(){
eeac5f9f	22	// Default constructor
e62c1aea	23	fITSpid = 0;
8e50d897	24	fGeom = 0;
aacedc3e	25	}
	26	/*********************************************************************/
	27	AliITSLoader::AliITSLoader(const Char_t name,const Char_t topfoldername):
	28	AliLoader(name,topfoldername){
	29	//ctor
	30	AliDataLoader* rawClustersDataLoader = new AliDataLoader(
	31	fDetectorName + ".RawCl.root",fgkDefaultRawClustersContainerName,
	32	"Raw Clusters");
	33	fDataLoaders->Add(rawClustersDataLoader);
	34	rawClustersDataLoader->SetEventFolder(fEventFolder);
	35	rawClustersDataLoader->SetFolder(GetDetectorDataFolder());
	36
	37	AliDataLoader* backTracksDataLoader = new AliDataLoader(
	38	fDetectorName + ".BackTracks.root",fgkDefaultBackTracksContainerName,
	39	"Back Propagated Tracks");
	40	fDataLoaders->Add(backTracksDataLoader);
	41	backTracksDataLoader->SetEventFolder(fEventFolder);
	42	backTracksDataLoader->SetFolder(GetDetectorDataFolder());
eeac5f9f	43
aacedc3e	44	AliDataLoader* vertexDataLoader = new AliDataLoader(
	45	fDetectorName + ".Vertex.root",fgkDefaultVerticesContainerName,
	46	"Primary Vertices","O");
	47	fDataLoaders->Add(vertexDataLoader);
	48	vertexDataLoader->SetEventFolder(fEventFolder);
	49	vertexDataLoader->SetFolder(GetDetectorDataFolder());
	50
	51	AliDataLoader* v0DataLoader = new AliDataLoader(
	52	fDetectorName + ".V0s.root",fgkDefaultV0ContainerName,"V0 Vertices");
	53	fDataLoaders->Add(v0DataLoader);
	54	v0DataLoader->SetEventFolder(fEventFolder);
	55	v0DataLoader->SetFolder(GetDetectorDataFolder());
	56
	57	AliDataLoader* cascadeDataLoader = new AliDataLoader(
	58	fDetectorName + ".Cascades.root",fgkDefaultCascadeContainerName,
	59	"Cascades");
	60	fDataLoaders->Add(cascadeDataLoader);
	61	cascadeDataLoader->SetEventFolder(fEventFolder);
	62	cascadeDataLoader->SetFolder(GetDetectorDataFolder());
e62c1aea	63	fITSpid=0;
8e50d897	64	fGeom = 0;
eeac5f9f	65	}
aacedc3e	66	/**********************************************************************/
	67	AliITSLoader::AliITSLoader(const Char_t name,TFolder topfolder):
	68	AliLoader(name,topfolder) {
	69	//ctor
	70	AliDataLoader* rawClustersDataLoader = new AliDataLoader(
	71	fDetectorName + ".RawCl.root",fgkDefaultRawClustersContainerName,
	72	"Raw Clusters");
	73	fDataLoaders->Add(rawClustersDataLoader);
	74	rawClustersDataLoader->SetEventFolder(fEventFolder);
	75	rawClustersDataLoader->SetFolder(GetDetectorDataFolder());
eeac5f9f	76
aacedc3e	77	AliDataLoader* backTracksDataLoader = new AliDataLoader(
	78	fDetectorName + ".BackTracks.root",fgkDefaultBackTracksContainerName,
	79	"Back Propagated Tracks");
	80	fDataLoaders->Add(backTracksDataLoader);
	81	backTracksDataLoader->SetEventFolder(fEventFolder);
	82	backTracksDataLoader->SetFolder(GetDetectorDataFolder());
	83
	84	AliDataLoader* vertexDataLoader = new AliDataLoader(
	85	fDetectorName + ".Vertex.root",fgkDefaultVerticesContainerName,
	86	"Primary Vertices","O");
	87	fDataLoaders->Add(vertexDataLoader);
	88	vertexDataLoader->SetEventFolder(fEventFolder);
	89	vertexDataLoader->SetFolder(GetDetectorDataFolder());
	90
	91	AliDataLoader* v0DataLoader = new AliDataLoader(
	92	fDetectorName + ".V0.root",fgkDefaultV0ContainerName,"V0 Vertices");
	93	fDataLoaders->Add(v0DataLoader);
	94	v0DataLoader->SetEventFolder(fEventFolder);
	95	v0DataLoader->SetFolder(GetDetectorDataFolder());
	96
	97	AliDataLoader* cascadeDataLoader = new AliDataLoader(
	98	fDetectorName + ".Cascade.root",fgkDefaultCascadeContainerName,
	99	"Cascades");
	100	fDataLoaders->Add(cascadeDataLoader);
	101	cascadeDataLoader->SetEventFolder(fEventFolder);
	102	cascadeDataLoader->SetFolder(GetDetectorDataFolder());
8e50d897	103	fITSpid = 0;
8e50d897	104	fGeom = 0;
88cb7938	105	}
e62c1aea	106
	107	//______________________________________________________________________
	108	AliITSLoader::AliITSLoader(const AliITSLoader &ob) : AliLoader(ob) {
	109	// Copy constructor
	110	// Copies are not allowed. The method is protected to avoid misuse.
	111	Error("AliITSLoader","Copy constructor not allowed\n");
	112	}
	113
	114	//______________________________________________________________________
	115	AliITSLoader& AliITSLoader::operator=(const AliITSLoader& /* ob */){
	116	// Assignment operator
	117	// Assignment is not allowed. The method is protected to avoid misuse.
	118	Error("= operator","Assignment operator not allowed\n");
	119	return *this;
	120	}
	121
aacedc3e	122	/**********************************************************************/
	123	AliITSLoader::~AliITSLoader(){
	124	//destructor
	125	AliDataLoader* dl = 0;
	126	UnloadRawClusters();
	127	dl = GetRawClLoader();
	128	fDataLoaders->Remove(dl);
88cb7938	129
aacedc3e	130	UnloadBackTracks();
	131	dl = GetBackTracksDataLoader();
	132	fDataLoaders->Remove(dl);
	133
	134	UnloadVertices();
	135	dl = GetVertexDataLoader();
	136	fDataLoaders->Remove(dl);
	137
	138	UnloadV0s();
	139	dl = GetV0DataLoader();
	140	fDataLoaders->Remove(dl);
	141
	142	UnloadCascades();
	143	dl = GetCascadeDataLoader();
	144	fDataLoaders->Remove(dl);
e62c1aea	145	if(fITSpid)delete fITSpid;
8e50d897	146	if(fGeom)delete fGeom;
88cb7938	147	}
7d62fb64	148	/*
aacedc3e	149	//----------------------------------------------------------------------
	150	AliITS* AliITSLoader::GetITS(){
	151	// Returns the pointer to the ITS, kept on the file. A short cut metthod
	152	// Inputs:
	153	// none.
	154	// Outputs:
	155	// none.
	156	// Returns:
	157	// Returns a pointer to the ITS, if not found returns 0.
	158	AliITS *its;
566abf75	159
aacedc3e	160	if(gAlice){
	161	its = dynamic_cast<AliITS*> (gAlice->GetDetector(
	162	GetDetectorName().Data()));
	163	if(its) return its;
	164	} // end if gAlice
	165	AliRunLoader *rl=0;
	166	rl = GetRunLoader();
	167	if(!rl) return 0;
	168	AliRun *ar=0;
	169	ar = rl->GetAliRun();
	170	if(!ar) return 0;
	171	its = dynamic_cast<AliITS*> (ar->GetDetector(GetDetectorName().Data()));
	172	return its;
88cb7938	173	}
aacedc3e	174	//----------------------------------------------------------------------
	175	void AliITSLoader::SetupDigits(AliITS *its){
	176	// Sets up to store ITS Digits in side AliITS::fDtype TObjArray
	177	// Inputs:
	178	// AliITS *its Pointer to the ITS
	179	// Outputs:
	180	// none.
	181	// Return:
	182	// none.
88cb7938	183
aacedc3e	184	its->SetTreeAddressD(TreeD());
aacedc3e	185	}
7d62fb64	186	*/
aacedc3e	187	//----------------------------------------------------------------------
	188	void AliITSLoader::SetupDigits(TObjArray *digPerDet,Int_t n,
	189	const Char_t **digclass){
	190	// Sets up digPerDet to store ITS Digits.
	191	// Inputs:
	192	// TObjArray *digPerDet A pointer to a TObject Array size>=3.
	193	// Int_t n The size of the TObjArray and digclass array
	194	// Char_t **digclass Array of digit class names
	195	// Outputs:
	196	// TObjArray *digPerDet Setup and linked to the tree of digits
	197	// Return:
	198	// none.
	199	Int_t i,m;
	200	TClonesArray *cl = 0;
	201	TTree *td = 0;
	202	TBranch *br = 0;
	203	Char_t branch[13];
	204	const Char_t *det[3] = {"SPD","SDD","SSD"};
	205
	206	if(!digPerDet){
	207	Error("SetUpDigits","TObject Array digPerDet does not exist");
	208	return;
	209	} // end if
	210	m = digPerDet->GetSize();
	211	if(m<n){
	212	Error("SetUpDigits","TObject Array digPerDet=%p must have a size"
	213	" at least that of n=%d",digPerDet,n);
	214	} // end if
	215	if(m<3){
	216	Error("SetUpDigits","TObject Array digPerDet=%p must have a size >2",
	217	digPerDet);
	218	return;
	219	} // end if
	220	td = TreeD();
	221	for(i=0;i<n;i++){
	222	if(digPerDet->At(i)==0){ // set up TClones Array
	223	digPerDet->AddAt(new TClonesArray(digclass[i],1000),i);
	224	if(n==3) sprintf(branch,"ITSDigits%s",det[i]);
	225	else sprintf(branch,"ITSDigits%d",i+1);
	226	br = td->GetBranch(branch);
	227	br->SetAddress(&((*digPerDet)[i]));
	228	continue; // do next one.
	229	} // end if
	230	cl = dynamic_cast<TClonesArray*> (digPerDet->At(i));
	231	if(!cl && digPerDet->At(i)!=0){ // not a TClonesArray
	232	Error("SetUpDigits","TObject Array digPerDet-At(%d)=%p must be "
	233	"zeroed or filled with TClonesArrays",i,digPerDet);
	234	return;
	235	} // end if
	236	if(!(cl->GetClass()->GetBaseClass(AliITSdigit::Class()))){
	237	Error("SetUPDigits","TClones array at digPerDet[%d}=%p must be"
	238	"derived from AliITSdigit",i,digPerDet->At(i));
	239	} // end if
	240	cl->Clear();
	241	if(n==3) sprintf(branch,"ITSDigits%s",det[i]);
	242	else sprintf(branch,"ITSDigits%d",i+1);
	243	br = td->GetBranch(branch);
	244	br->SetAddress(&((*digPerDet)[i]));
	245	continue;
	246	} // end for i
	247	}
	248	//---------------------------------------------------------------------
	249	AliITSdigit * AliITSLoader::GetDigit(TObjArray *digPerDet,Int_t module,
	250	Int_t digit){
251	// Gets the digit for for a specific detector type and module.
252	// To be used in conjustion with Setupdigits(AliITS *its).
253	// Inputs:
254	// TObjArray *digPereDet Pointer to the Array of digits
255	// Int_t module Module number
256	// Int_t digit Digit number
257	// Outputs:
258	// none.
259	// Return:
260	// returns the pointer to the digit. if zero then last digit for that
261	// module.
262
263	if(digPerDet==0){
264	Error("GetDigit","digPerDet=%p, module=%d, digit=%d",
265	digPerDet,module,digit);
266	return 0;
267	} // end if
268	return 0;
269	}
7d62fb64	270	/*
aacedc3e	271	//---------------------------------------------------------------------
	272	AliITSdigit * AliITSLoader::GetDigit(AliITS *its,Int_t module,Int_t digit){
	273	// Gets the digit for for a specific detector type and module.
	274	// To be used in conjustion with Setupdigits(AliITS *its).
	275	// Inputs:
	276	// AliITS *its Pointer to the ITS
	277	// Int_t module Module number
	278	// Int_t digit Digit number
	279	// Outputs:
	280	// none.
	281	// Return:
	282	// returns the pointer to the digit. if zero then last digit for that
	283	// module.
	284	//AliITSDetType *idtype;
	285	AliITSgeom *geom = its->GetITSgeom();
	286	Int_t idet = geom->GetModuleType(module);
	287	TClonesArray *digits;
	288
	289	its->ResetDigits();
	290	TreeD()->GetEvent(module);
	291	digits = its->DigitsAddress(idet);
	292	if(digit>-1 && digit<digits->GetEntriesFast()){ // if in range.
	293	return (AliITSdigit*) digits->At(digit);
	294	} // end if
	295	return 0;
	296	}
7d62fb64	297	*/
aacedc3e	298	//----------------------------------------------------------------------
88cb7938	299	void AliITSLoader::MakeTree(Option_t *opt){
aacedc3e	300	// invokes AliLoader::MakeTree + specific ITS tree(s)
	301	// Valid options: H,S,D,R,T and C (C=raw clusters)
	302	AliLoader::MakeTree(opt);
	303	const char *oC = strstr(opt,"C");
	304	if (oC) MakeRawClustersContainer();
	305
	306	const char *oB = strstr(opt,"B");
	307	if (oB) MakeBackTracksContainer();
	308
	309	const char *oV0 = strstr(opt,"V0");
	310	if (oV0) MakeV0Container();
	311
	312	const char *oX = strstr(opt,"X");
	313	if (oX) MakeCascadeContainer();
88cb7938	314	}
7d62fb64	315
7d62fb64	316	//----------------------------------------------------------------------
8e50d897	317	AliITSgeom* AliITSLoader::GetITSgeom(Bool_t force) {
7d62fb64	318	// retrieves the ITS geometry from file
8e50d897	319	if(fGeom && !force)return fGeom;
	320	if(fGeom && force){
	321	delete fGeom;
	322	fGeom = 0;
	323	}
7d62fb64	324	AliRunLoader *runLoader = GetRunLoader();
8e50d897	325	if (!runLoader->GetAliRun()) runLoader->LoadgAlice();
7d62fb64	326	if (!runLoader->GetAliRun()) {
	327	Error("GetITSgeom", "couldn't get AliRun object");
	328	return NULL;
	329	}
	330
8e50d897	331	TDirectory *curdir = gDirectory;
7d62fb64	332	runLoader->CdGAFile();
8e50d897	333	fGeom = (AliITSgeom*)gDirectory->Get("AliITSgeom");
	334	curdir->cd();
	335	if(!fGeom){
7d62fb64	336	Error("GetITSgeom","no ITS geometry available");
	337	return NULL;
	338	}
13033bec	339	AliWarning("AliITSgeom object has been fetched from galice.root file");
8e50d897	340	return fGeom;
7d62fb64	341	}
7d62fb64	342