[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(),
fITSpid(0),
fGeom(0){
  // Default constructor
}
/*********************************************************************/
AliITSLoader::AliITSLoader(const Char_t *name,const Char_t *topfoldername):
AliLoader(name,topfoldername),
fITSpid(0),
fGeom(0){
  //Constructor   
    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());
}
/**********************************************************************/
AliITSLoader::AliITSLoader(const Char_t *name,TFolder *topfolder): 
  AliLoader(name,topfolder),
fITSpid(0),
fGeom(0){
  //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());
}


/**********************************************************************/
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(fGeom)delete fGeom;
    fGeom = 0;
}
/*
//----------------------------------------------------------------------
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;
}
//______________________________________________________________________
void AliITSLoader::SetITSgeom(AliITSgeom *geom){
    // Replaces the AliITSgeom object read from file with the one
    // given.
    // Inputs:
    //   AliITSgeom *geom   The AliITSgeom object to replace the one
    //                      read from the file
    // Outputs:
    //   none.
    // Return:
    //   none.

    if(fGeom==geom) return; // Same do nothing
    if(fGeom) {
	delete fGeom;
	fGeom=0;
    }// end if
    fGeom=geom;
}
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	/**********************************************************************/
e56160b8	21	AliITSLoader::AliITSLoader():AliLoader(),
	22	fITSpid(0),
	23	fGeom(0){
eeac5f9f	24	// Default constructor
aacedc3e	25	}
	26	/*********************************************************************/
	27	AliITSLoader::AliITSLoader(const Char_t name,const Char_t topfoldername):
e56160b8	28	AliLoader(name,topfoldername),
	29	fITSpid(0),
	30	fGeom(0){
	31	//Constructor
aacedc3e	32	AliDataLoader* rawClustersDataLoader = new AliDataLoader(
	33	fDetectorName + ".RawCl.root",fgkDefaultRawClustersContainerName,
	34	"Raw Clusters");
	35	fDataLoaders->Add(rawClustersDataLoader);
	36	rawClustersDataLoader->SetEventFolder(fEventFolder);
	37	rawClustersDataLoader->SetFolder(GetDetectorDataFolder());
	38
	39	AliDataLoader* backTracksDataLoader = new AliDataLoader(
	40	fDetectorName + ".BackTracks.root",fgkDefaultBackTracksContainerName,
	41	"Back Propagated Tracks");
	42	fDataLoaders->Add(backTracksDataLoader);
	43	backTracksDataLoader->SetEventFolder(fEventFolder);
	44	backTracksDataLoader->SetFolder(GetDetectorDataFolder());
eeac5f9f	45
aacedc3e	46	AliDataLoader* vertexDataLoader = new AliDataLoader(
	47	fDetectorName + ".Vertex.root",fgkDefaultVerticesContainerName,
	48	"Primary Vertices","O");
	49	fDataLoaders->Add(vertexDataLoader);
	50	vertexDataLoader->SetEventFolder(fEventFolder);
	51	vertexDataLoader->SetFolder(GetDetectorDataFolder());
	52
	53	AliDataLoader* v0DataLoader = new AliDataLoader(
	54	fDetectorName + ".V0s.root",fgkDefaultV0ContainerName,"V0 Vertices");
	55	fDataLoaders->Add(v0DataLoader);
	56	v0DataLoader->SetEventFolder(fEventFolder);
	57	v0DataLoader->SetFolder(GetDetectorDataFolder());
	58
	59	AliDataLoader* cascadeDataLoader = new AliDataLoader(
	60	fDetectorName + ".Cascades.root",fgkDefaultCascadeContainerName,
	61	"Cascades");
	62	fDataLoaders->Add(cascadeDataLoader);
	63	cascadeDataLoader->SetEventFolder(fEventFolder);
	64	cascadeDataLoader->SetFolder(GetDetectorDataFolder());
eeac5f9f	65	}
aacedc3e	66	/**********************************************************************/
aacedc3e	67	AliITSLoader::AliITSLoader(const Char_t name,TFolder topfolder):
e56160b8	68	AliLoader(name,topfolder),
	69	fITSpid(0),
	70	fGeom(0){
aacedc3e	71	//ctor
	72	AliDataLoader* rawClustersDataLoader = new AliDataLoader(
	73	fDetectorName + ".RawCl.root",fgkDefaultRawClustersContainerName,
	74	"Raw Clusters");
	75	fDataLoaders->Add(rawClustersDataLoader);
	76	rawClustersDataLoader->SetEventFolder(fEventFolder);
	77	rawClustersDataLoader->SetFolder(GetDetectorDataFolder());
eeac5f9f	78
aacedc3e	79	AliDataLoader* backTracksDataLoader = new AliDataLoader(
	80	fDetectorName + ".BackTracks.root",fgkDefaultBackTracksContainerName,
	81	"Back Propagated Tracks");
	82	fDataLoaders->Add(backTracksDataLoader);
	83	backTracksDataLoader->SetEventFolder(fEventFolder);
	84	backTracksDataLoader->SetFolder(GetDetectorDataFolder());
	85
	86	AliDataLoader* vertexDataLoader = new AliDataLoader(
	87	fDetectorName + ".Vertex.root",fgkDefaultVerticesContainerName,
	88	"Primary Vertices","O");
	89	fDataLoaders->Add(vertexDataLoader);
	90	vertexDataLoader->SetEventFolder(fEventFolder);
	91	vertexDataLoader->SetFolder(GetDetectorDataFolder());
	92
	93	AliDataLoader* v0DataLoader = new AliDataLoader(
	94	fDetectorName + ".V0.root",fgkDefaultV0ContainerName,"V0 Vertices");
	95	fDataLoaders->Add(v0DataLoader);
	96	v0DataLoader->SetEventFolder(fEventFolder);
	97	v0DataLoader->SetFolder(GetDetectorDataFolder());
	98
	99	AliDataLoader* cascadeDataLoader = new AliDataLoader(
	100	fDetectorName + ".Cascade.root",fgkDefaultCascadeContainerName,
	101	"Cascades");
	102	fDataLoaders->Add(cascadeDataLoader);
	103	cascadeDataLoader->SetEventFolder(fEventFolder);
	104	cascadeDataLoader->SetFolder(GetDetectorDataFolder());
88cb7938	105	}
e62c1aea	106
e62c1aea	107
aacedc3e	108	/**********************************************************************/
	109	AliITSLoader::~AliITSLoader(){
	110	//destructor
	111	AliDataLoader* dl = 0;
	112	UnloadRawClusters();
	113	dl = GetRawClLoader();
	114	fDataLoaders->Remove(dl);
88cb7938	115
aacedc3e	116	UnloadBackTracks();
	117	dl = GetBackTracksDataLoader();
	118	fDataLoaders->Remove(dl);
	119
	120	UnloadVertices();
	121	dl = GetVertexDataLoader();
	122	fDataLoaders->Remove(dl);
	123
	124	UnloadV0s();
	125	dl = GetV0DataLoader();
	126	fDataLoaders->Remove(dl);
	127
	128	UnloadCascades();
	129	dl = GetCascadeDataLoader();
	130	fDataLoaders->Remove(dl);
e56160b8	131
8e50d897	132	if(fGeom)delete fGeom;
023ae34b	133	fGeom = 0;
88cb7938	134	}
7d62fb64	135	/*
aacedc3e	136	//----------------------------------------------------------------------
	137	AliITS* AliITSLoader::GetITS(){
	138	// Returns the pointer to the ITS, kept on the file. A short cut metthod
	139	// Inputs:
	140	// none.
	141	// Outputs:
	142	// none.
	143	// Returns:
	144	// Returns a pointer to the ITS, if not found returns 0.
	145	AliITS *its;
566abf75	146
aacedc3e	147	if(gAlice){
	148	its = dynamic_cast<AliITS*> (gAlice->GetDetector(
	149	GetDetectorName().Data()));
	150	if(its) return its;
	151	} // end if gAlice
	152	AliRunLoader *rl=0;
	153	rl = GetRunLoader();
	154	if(!rl) return 0;
	155	AliRun *ar=0;
	156	ar = rl->GetAliRun();
	157	if(!ar) return 0;
	158	its = dynamic_cast<AliITS*> (ar->GetDetector(GetDetectorName().Data()));
	159	return its;
88cb7938	160	}
aacedc3e	161	//----------------------------------------------------------------------
	162	void AliITSLoader::SetupDigits(AliITS *its){
	163	// Sets up to store ITS Digits in side AliITS::fDtype TObjArray
	164	// Inputs:
	165	// AliITS *its Pointer to the ITS
	166	// Outputs:
	167	// none.
	168	// Return:
	169	// none.
88cb7938	170
aacedc3e	171	its->SetTreeAddressD(TreeD());
aacedc3e	172	}
7d62fb64	173	*/
aacedc3e	174	//----------------------------------------------------------------------
	175	void AliITSLoader::SetupDigits(TObjArray *digPerDet,Int_t n,
	176	const Char_t **digclass){
	177	// Sets up digPerDet to store ITS Digits.
	178	// Inputs:
	179	// TObjArray *digPerDet A pointer to a TObject Array size>=3.
	180	// Int_t n The size of the TObjArray and digclass array
	181	// Char_t **digclass Array of digit class names
	182	// Outputs:
	183	// TObjArray *digPerDet Setup and linked to the tree of digits
	184	// Return:
	185	// none.
	186	Int_t i,m;
	187	TClonesArray *cl = 0;
	188	TTree *td = 0;
	189	TBranch *br = 0;
	190	Char_t branch[13];
	191	const Char_t *det[3] = {"SPD","SDD","SSD"};
	192
	193	if(!digPerDet){
	194	Error("SetUpDigits","TObject Array digPerDet does not exist");
	195	return;
	196	} // end if
	197	m = digPerDet->GetSize();
	198	if(m<n){
	199	Error("SetUpDigits","TObject Array digPerDet=%p must have a size"
	200	" at least that of n=%d",digPerDet,n);
	201	} // end if
	202	if(m<3){
	203	Error("SetUpDigits","TObject Array digPerDet=%p must have a size >2",
	204	digPerDet);
	205	return;
	206	} // end if
	207	td = TreeD();
	208	for(i=0;i<n;i++){
	209	if(digPerDet->At(i)==0){ // set up TClones Array
	210	digPerDet->AddAt(new TClonesArray(digclass[i],1000),i);
	211	if(n==3) sprintf(branch,"ITSDigits%s",det[i]);
	212	else sprintf(branch,"ITSDigits%d",i+1);
	213	br = td->GetBranch(branch);
	214	br->SetAddress(&((*digPerDet)[i]));
	215	continue; // do next one.
	216	} // end if
	217	cl = dynamic_cast<TClonesArray*> (digPerDet->At(i));
	218	if(!cl && digPerDet->At(i)!=0){ // not a TClonesArray
	219	Error("SetUpDigits","TObject Array digPerDet-At(%d)=%p must be "
	220	"zeroed or filled with TClonesArrays",i,digPerDet);
	221	return;
	222	} // end if
	223	if(!(cl->GetClass()->GetBaseClass(AliITSdigit::Class()))){
	224	Error("SetUPDigits","TClones array at digPerDet[%d}=%p must be"
	225	"derived from AliITSdigit",i,digPerDet->At(i));
	226	} // end if
	227	cl->Clear();
	228	if(n==3) sprintf(branch,"ITSDigits%s",det[i]);
	229	else sprintf(branch,"ITSDigits%d",i+1);
	230	br = td->GetBranch(branch);
	231	br->SetAddress(&((*digPerDet)[i]));
	232	continue;
	233	} // end for i
	234	}
	235	//---------------------------------------------------------------------
	236	AliITSdigit * AliITSLoader::GetDigit(TObjArray *digPerDet,Int_t module,
	237	Int_t digit){
238	// Gets the digit for for a specific detector type and module.
239	// To be used in conjustion with Setupdigits(AliITS *its).
240	// Inputs:
241	// TObjArray *digPereDet Pointer to the Array of digits
242	// Int_t module Module number
243	// Int_t digit Digit number
244	// Outputs:
245	// none.
246	// Return:
247	// returns the pointer to the digit. if zero then last digit for that
248	// module.
249
250	if(digPerDet==0){
251	Error("GetDigit","digPerDet=%p, module=%d, digit=%d",
252	digPerDet,module,digit);
253	return 0;
254	} // end if
255	return 0;
256	}
7d62fb64	257	/*
aacedc3e	258	//---------------------------------------------------------------------
	259	AliITSdigit * AliITSLoader::GetDigit(AliITS *its,Int_t module,Int_t digit){
	260	// Gets the digit for for a specific detector type and module.
	261	// To be used in conjustion with Setupdigits(AliITS *its).
	262	// Inputs:
	263	// AliITS *its Pointer to the ITS
	264	// Int_t module Module number
	265	// Int_t digit Digit number
	266	// Outputs:
	267	// none.
	268	// Return:
	269	// returns the pointer to the digit. if zero then last digit for that
	270	// module.
	271	//AliITSDetType *idtype;
	272	AliITSgeom *geom = its->GetITSgeom();
	273	Int_t idet = geom->GetModuleType(module);
	274	TClonesArray *digits;
	275
	276	its->ResetDigits();
	277	TreeD()->GetEvent(module);
	278	digits = its->DigitsAddress(idet);
	279	if(digit>-1 && digit<digits->GetEntriesFast()){ // if in range.
	280	return (AliITSdigit*) digits->At(digit);
	281	} // end if
	282	return 0;
	283	}
7d62fb64	284	*/
aacedc3e	285	//----------------------------------------------------------------------
88cb7938	286	void AliITSLoader::MakeTree(Option_t *opt){
aacedc3e	287	// invokes AliLoader::MakeTree + specific ITS tree(s)
	288	// Valid options: H,S,D,R,T and C (C=raw clusters)
	289	AliLoader::MakeTree(opt);
	290	const char *oC = strstr(opt,"C");
	291	if (oC) MakeRawClustersContainer();
	292
	293	const char *oB = strstr(opt,"B");
	294	if (oB) MakeBackTracksContainer();
	295
	296	const char *oV0 = strstr(opt,"V0");
	297	if (oV0) MakeV0Container();
	298
	299	const char *oX = strstr(opt,"X");
	300	if (oX) MakeCascadeContainer();
88cb7938	301	}
7d62fb64	302
7d62fb64	303	//----------------------------------------------------------------------
8e50d897	304	AliITSgeom* AliITSLoader::GetITSgeom(Bool_t force) {
7d62fb64	305	// retrieves the ITS geometry from file
8e50d897	306	if(fGeom && !force)return fGeom;
	307	if(fGeom && force){
	308	delete fGeom;
	309	fGeom = 0;
	310	}
7d62fb64	311	AliRunLoader *runLoader = GetRunLoader();
8e50d897	312	if (!runLoader->GetAliRun()) runLoader->LoadgAlice();
7d62fb64	313	if (!runLoader->GetAliRun()) {
	314	Error("GetITSgeom", "couldn't get AliRun object");
	315	return NULL;
	316	}
	317
8e50d897	318	TDirectory *curdir = gDirectory;
7d62fb64	319	runLoader->CdGAFile();
8e50d897	320	fGeom = (AliITSgeom*)gDirectory->Get("AliITSgeom");
	321	curdir->cd();
	322	if(!fGeom){
7d62fb64	323	Error("GetITSgeom","no ITS geometry available");
	324	return NULL;
	325	}
13033bec	326	AliWarning("AliITSgeom object has been fetched from galice.root file");
8e50d897	327	return fGeom;
7d62fb64	328	}
023ae34b	329	//______________________________________________________________________
	330	void AliITSLoader::SetITSgeom(AliITSgeom *geom){
	331	// Replaces the AliITSgeom object read from file with the one
	332	// given.
	333	// Inputs:
	334	// AliITSgeom *geom The AliITSgeom object to replace the one
	335	// read from the file
	336	// Outputs:
	337	// none.
	338	// Return:
	339	// none.
	340
	341	if(fGeom==geom) return; // Same do nothing
	342	if(fGeom) {
	343	delete fGeom;
	344	fGeom=0;
	345	}// end if
	346	fGeom=geom;
	347	}
7d62fb64	348