#include "AliMagF.h"
#include "AliRun.h"
#include "AliTRD.h"
-#include "AliTRDcluster.h"
-#include "AliTRDclusterizer.h"
#include "AliTRDdigit.h"
#include "AliTRDdigitizer.h"
#include "AliTRDdigitsManager.h"
#include "AliTRDgeometryHole.h"
#include "AliTRDhit.h"
#include "AliTRDpoints.h"
-#include "AliTRDrecPoint.h"
-#include "AliTRDtrackHits.h"
+#include "AliTRDrawData.h"
#include "AliTrackReference.h"
+#include "AliMC.h"
ClassImp(AliTRD)
fHits = 0;
fDigits = 0;
- fRecPoints = 0;
- fNRecPoints = 0;
-
fGeometry = 0;
fGasDensity = 0;
fDrawTR = 0;
fDisplayType = 0;
- fTrackHits = 0;
- fHitType = 0;
-
}
//_____________________________________________________________________________
exit(1);
}
- // Define the TRD geometry according to the FRAME geometry
- if (frame->IsVersion() == 0) {
- // Geometry with hole
- fGeometry = new AliTRDgeometryHole();
- }
- else if (frame->IsVersion() == 1) {
- // Geometry without hole
+ // Define the TRD geometry
+ if ((frame->IsVersion() == 0) ||
+ (frame->IsVersion() == 1)) {
fGeometry = new AliTRDgeometryFull();
}
else {
exit(1);
}
+ // Save the geometry
+ TDirectory* saveDir = gDirectory;
+ gAlice->GetRunLoader()->CdGAFile();
+ fGeometry->Write("TRDgeometry");
+ saveDir->cd();
+
// Allocate the hit array
fHits = new TClonesArray("AliTRDhit" ,405);
- gAlice->AddHitList(fHits);
+ gAlice->GetMCApp()->AddHitList(fHits);
// Allocate the digits array
fDigits = 0;
- // Allocate the rec point array
- fRecPoints = new TObjArray(400);
- fNRecPoints = 0;
-
fIshunt = 0;
fGasMix = 1;
fDrawTR = 0;
fDisplayType = 0;
- fTrackHits = 0;
- fHitType = 2;
-
SetMarkerColor(kWhite);
}
//_____________________________________________________________________________
-AliTRD::AliTRD(const AliTRD &trd)
+AliTRD::AliTRD(const AliTRD &trd):AliDetector(trd)
{
//
// Copy constructor
delete fHits;
fHits = 0;
}
- if (fRecPoints) {
- delete fRecPoints;
- fRecPoints = 0;
- }
- if (fTrackHits) {
- delete fTrackHits;
- fTrackHits = 0;
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRD::AddCluster(Float_t *pos, Int_t det, Float_t amp
- , Int_t *tracks, Float_t *sig, Int_t iType)
-{
- //
- // Add a cluster for the TRD
- //
-
- AliTRDcluster *c = new AliTRDcluster();
-
- c->SetDetector(det);
- c->AddTrackIndex(tracks);
- c->SetQ(amp);
- c->SetY(pos[0]);
- c->SetZ(pos[1]);
- c->SetSigmaY2(sig[0]);
- c->SetSigmaZ2(sig[1]);
- c->SetLocalTimeBin(((Int_t) pos[2]));
-
- switch (iType) {
- case 0:
- c->Set2pad();
- break;
- case 1:
- c->Set3pad();
- break;
- case 2:
- c->Set4pad();
- break;
- case 3:
- c->Set5pad();
- break;
- case 4:
- c->SetLarge();
- break;
- };
-
- fRecPoints->Add(c);
}
//
// Create digits
//
- if (!fLoader->TreeH()) fLoader->LoadHits("read");
- SetTreeAddress();
-
- AliTRDdigitizer *digitizer = new AliTRDdigitizer("TRDdigitizer"
- ,"TRD digitizer class");
- digitizer->SetDebug(GetDebug());
- digitizer->SetEvent(gAlice->GetEvNumber());
+ AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class");
+ digitizer.SetDebug(GetDebug());
// Initialization
- digitizer->InitDetector();
+ digitizer.InitDetector();
- // Create the digits
- digitizer->MakeDigits();
-
- // Write the digits into the input file
-
- if (!fLoader->TreeD()) fLoader->MakeTree("D");
- if (digitizer->MakeBranch(fLoader->TreeD())) {
-
- digitizer->WriteDigits();
-
- // Save the digitizer class in the AliROOT
- digitizer->Write();
+ if (!fLoader->TreeH()) fLoader->LoadHits("read");
+ fLoader->LoadDigits("recreate");
+ AliRunLoader* runLoader = fLoader->GetRunLoader();
+ for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
+ digitizer.Open(runLoader->GetFileName().Data(), iEvent);
+ digitizer.MakeDigits();
+ digitizer.WriteDigits();
}
+ fLoader->UnloadHits();
+ fLoader->UnloadDigits();
+
}
//_____________________________________________________________________________
//
// Create summable digits
//
- if (!fLoader->TreeH()) fLoader->LoadHits("read");
- SetTreeAddress();
-
- AliTRDdigitizer *digitizer = new AliTRDdigitizer("TRDdigitizer"
- ,"TRD digitizer class");
- digitizer->SetDebug(GetDebug());
+ AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class");
// For the summable digits
- digitizer->SetSDigits(kTRUE);
- digitizer->SetEvent(gAlice->GetEvNumber());
+ digitizer.SetSDigits(kTRUE);
+ digitizer.SetDebug(GetDebug());
// Initialization
- digitizer->InitDetector();
+ digitizer.InitDetector();
- // Create the TRD s-digits branch
- digitizer->MakeDigits();
-
- // Write the digits into the input file
- if (!fLoader->TreeS()) fLoader->MakeTree("S");
-
- if (digitizer->MakeBranch(fLoader->TreeS())) {
+ if (!fLoader->TreeH()) fLoader->LoadHits("read");
+ fLoader->LoadSDigits("recreate");
+ AliRunLoader* runLoader = fLoader->GetRunLoader();
- digitizer->WriteDigits();
+ for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
+ digitizer.Open(runLoader->GetFileName().Data(), iEvent);
+ digitizer.MakeDigits();
+ digitizer.WriteDigits();
+ }
- // Save the digitizer class in the AliROOT
- digitizer->Write();
+ fLoader->UnloadHits();
+ fLoader->UnloadSDigits();
+
+}
- }
+//_____________________________________________________________________________
+AliDigitizer* AliTRD::CreateDigitizer(AliRunDigitizer* manager) const
+{
+ //
+ // Creates a new digitizer object
+ //
+
+ return new AliTRDdigitizer(manager);
}
//
// Create the TRD digitizer
- AliTRDdigitizer *digitizer = new AliTRDdigitizer("TRDdigitizer"
- ,"TRD digitizer class");
- digitizer->SetDebug(GetDebug());
+ AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class");
+ digitizer.SetDebug(GetDebug());
// Set the parameter
- digitizer->SetEvent(gAlice->GetEvNumber());
+ digitizer.SetEvent(gAlice->GetEvNumber());
// Initialization
- digitizer->InitDetector();
+ digitizer.InitDetector();
// Read the s-digits via digits manager
- AliTRDdigitsManager *sdigitsManager = new AliTRDdigitsManager();
+ AliTRDdigitsManager sdigitsManager;
- sdigitsManager->SetDebug(GetDebug());
- sdigitsManager->SetSDigits(kTRUE);
- sdigitsManager->CreateArrays();
+ sdigitsManager.SetDebug(GetDebug());
+ sdigitsManager.SetSDigits(kTRUE);
+ sdigitsManager.CreateArrays();
if (!fLoader->TreeS())
if (fLoader->LoadSDigits("read"))
}
if (!fLoader->TreeS()) return;
- sdigitsManager->ReadDigits(fLoader->TreeS());
+ sdigitsManager.ReadDigits(fLoader->TreeS());
// Add the s-digits to the input list
- digitizer->AddSDigitsManager(sdigitsManager);
+ digitizer.AddSDigitsManager(&sdigitsManager);
// Convert the s-digits to normal digits
- digitizer->SDigits2Digits();
+ digitizer.SDigits2Digits();
// Store the digits
if (!fLoader->TreeD()) fLoader->MakeTree("D");
- if (digitizer->MakeBranch(fLoader->TreeD())){
- digitizer->WriteDigits();
+ if (digitizer.MakeBranch(fLoader->TreeD())){
+ digitizer.WriteDigits();
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::Digits2Raw()
+{
+ //
+ // convert digits of the current event to raw data
+ //
+
+ fLoader->LoadDigits();
+ TTree* digits = fLoader->TreeD();
+ if (!digits) {
+ Error("Digits2Raw", "no digits tree");
+ return;
+ }
+
+ AliTRDrawData rawWriter;
+// rawWriter.SetDebug(2);
+ if (!rawWriter.Digits2Raw(digits)) {
+ Error("AliTRD::Digits2Raw","The raw writer could not load the digits tree");
}
+ fLoader->UnloadDigits();
+
}
//_____________________________________________________________________________
//
// Add a hit for the TRD
//
- // The data structure is set according to fHitType:
- // bit0: standard TClonesArray
- // bit1: compressed trackHits structure
- //
- if (fHitType & 1) {
- TClonesArray &lhits = *fHits;
- new(lhits[fNhits++]) AliTRDhit(fIshunt,track,det,hits,q);
+ TClonesArray &lhits = *fHits;
+ AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt,track,det,hits,q);
+ if (inDrift) {
+ hit->SetDrift();
}
-
- if (fHitType > 1) {
- AddHit2(track,det,hits,q,inDrift);
+ else {
+ hit->SetAmplification();
+ }
+ if (q < 0) {
+ hit->SetTRphoton();
}
}
((AliTRD &) trd).fGasMix = fGasMix;
((AliTRD &) trd).fGeometry = fGeometry;
- ((AliTRD &) trd).fRecPoints = fRecPoints;
- ((AliTRD &) trd).fNRecPoints = fNRecPoints;
((AliTRD &) trd).fGasDensity = fGasDensity;
((AliTRD &) trd).fFoilDensity = fFoilDensity;
((AliTRD &) trd).fDrawTR = fDrawTR;
((AliTRD &) trd).fDisplayType = fDisplayType;
- ((AliTRD &) trd).fHitType = fHitType;
//AliDetector::Copy(trd);
Float_t zpg[3] = { 6.0 , 1.0 , 8.0 };
Float_t wpg[3] = { 5.0 , 8.0 , 2.0 };
Float_t dpg = 1.18;
+
+ // For epoxy (C18H19O3)
+ Float_t aEpoxy[3] = { 15.9994 , 1.00794 , 12.0107 };
+ Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 };
+ Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 };
+ Float_t dEpoxy = 1.8 ;
+
+ // For air
+ Float_t aAir[4] = { 12.0 , 14.0 , 16.0 , 36.0 };
+ Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 };
+ Float_t wAir[4] = { 0.000124 , 0.755267 , 0.231781 , 0.012827};
+ Float_t dAir = 1.20479E-3;
+
+ // For G10
+ Float_t aG10[4] = { 1.0 , 12.011 , 15.9994 , 28.086 };
+ Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 };
+ //PH Float_t wG10[4] = { 0.148648649 , 0.104054054 , 0.483499056 , 0.241666667 };
+ Float_t wG10[4]={0.15201,0.10641,0.49444,0.24714};
+ Float_t dG10 = 1.7;
// For Xe/CO2-gas-mixture
+ Float_t aXeCO2[3] = { 39.948, 12.0107, 15.9994 };
+ Float_t zXeCO2[3] = { 18.0, 6.0, 8.0 };
+ Float_t wXeCO2[3] = { 0.85, 0.0375, 0.1125 };
// Xe-content of the Xe/CO2-mixture (85% / 15%)
Float_t fxc = .85;
// Xe-content of the Xe/Isobutane-mixture (97% / 3%)
//////////////////////////////////////////////////////////////////////////
AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2);
- AliMaterial( 2, "Air" , 14.61, 7.3, 0.001205, 30420.0 , 67500.0);
+ //AliMaterial( 2, "Air" , 14.61, 7.3, 0.001205, 30420.0 , 67500.0);
AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1447.59, 0.0);
AliMaterial( 5, "Cu" , 63.54, 29.0, 8.96 , 1.43, 14.8);
AliMaterial( 6, "C" , 12.01, 6.0, 2.265 , 18.8 , 74.4);
- AliMaterial(12, "G10" , 20.00, 10.0, 1.7 , 19.4 , 999.0);
+ //AliMaterial(12, "G10" , 20.00, 10.0, 1.7 , 19.4 , 999.0);
AliMaterial(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8);
AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2);
- AliMaterial(17, "Epoxy", 17.75, 8.9, 1.8 , 21.82, 999.0);
+ //AliMaterial(17, "Epoxy", 17.75, 8.9, 1.8 , 21.82, 999.0);
// Mixtures
- AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe);
- AliMixture(7, "Mylar", amy, zmy, dmy, -3, wmy);
- AliMixture(8, "CO2", aco, zco, dco, -2, wco);
- AliMixture(9, "Isobutane", ais, zis, dis, -2, wis);
- AliMixture(13,"Water", awa, zwa, dwa, -2, wwa);
- AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg);
+ AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir);
+ AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe);
+ AliMixture(7, "Mylar", amy, zmy, dmy, -3, wmy);
+ AliMixture(8, "CO2", aco, zco, dco, -2, wco);
+ AliMixture(9, "Isobutane", ais, zis, dis, -2, wis);
+ AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10);
+ AliMixture(13,"Water", awa, zwa, dwa, -2, wwa);
+ AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg);
+ AliMixture(17,"Epoxy", aEpoxy,zEpoxy,dEpoxy, -3, wEpoxy);
// Gas mixtures
- Char_t namate[21];
+ Char_t namate[21]="";
// Xe/CO2-mixture
// Get properties of Xe
- gMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
+ //gMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
// Get properties of CO2
- gMC->Gfmate((*fIdmate)[8], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
+ //gMC->Gfmate((*fIdmate)[8], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
// Create gas mixture
wgm[0] = fxc;
wgm[1] = 1. - fxc;
dgm1 = wgm[0] * dxe + wgm[1] * dco;
- AliMixture(10, "Gas mixture 1", agm, zgm, dgm1, 2, wgm);
+ AliMixture(10, "Gas mixture 1", aXeCO2, zXeCO2, dgm1, 3, wXeCO2);
+
// Xe/Isobutane-mixture
// Get properties of Xe
gMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
// Al of cooling pipes
AliMedium(24, "Cooling" , 1, 0, isxfld, sxmgmx
, tmaxfd, stemax, deemax, epsil, stmin);
+ // Cu in services
+ AliMedium(25, "Serv-Cu" , 5, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
// Save the density values for the TRD absorbtion
fFoilDensity = dmy;
printf("\n");
}
- if (fGeometry->IsVersion() == 0) {
- printf("%s: Geometry for spaceframe with holes initialized\n",ClassName());
- }
- else if (fGeometry->IsVersion() == 1) {
- printf("%s: Geometry for spaceframe without holes initialized\n",ClassName());
+ if (fGeometry->IsVersion() == 1) {
+ printf("%s: Full geometry version initialized\n",ClassName());
if (fGeometry->GetPHOShole())
printf("%s: Leave space in front of PHOS free\n",ClassName());
if (fGeometry->GetRICHhole())
printf("%s: Leave space in front of RICH free\n",ClassName());
}
+ else {
+ printf("%s: Not a valid geometry\n",ClassName());
+ }
if (fGasMix == 1) {
printf("%s: Gas Mixture: 85%% Xe + 15%% CO2\n",ClassName());
}
//_____________________________________________________________________________
-void AliTRD::LoadPoints(Int_t track)
+void AliTRD::LoadPoints(Int_t )
{
//
// Store x, y, z of all hits in memory.
// return;
//}
- if ((fHits == 0) && (fTrackHits == 0)) return;
+ if (fHits == 0) return;
- Int_t nhits;
- if (fHitType < 2) {
- nhits = fHits->GetEntriesFast();
- }
- else {
- nhits = fTrackHits->GetEntriesFast();
- }
+ Int_t nhits = fHits->GetEntriesFast();
if (nhits == 0) return;
- Int_t tracks = gAlice->GetNtrack();
+ Int_t tracks = gAlice->GetMCApp()->GetNtrack();
if (fPoints == 0) fPoints = new TObjArray(tracks);
AliTRDhit *ahit;
MakeBranchInTree(gAlice->TreeD(),branchname,&fDigits,buffersize,0);
}
- if (fHitType > 1) {
- MakeBranch2(option,0);
- }
-
}
//_____________________________________________________________________________
}
-//_____________________________________________________________________________
-void AliTRD::ResetRecPoints()
-{
- //
- // Reset number of reconstructed points and the point array
- //
-
- if (fRecPoints) {
- fNRecPoints = 0;
- Int_t nentr = fRecPoints->GetEntriesFast();
- for (Int_t i = 0; i < nentr; i++) delete fRecPoints->RemoveAt(i);
- }
-
-}
-
//_____________________________________________________________________________
void AliTRD::SetTreeAddress()
{
// Set the branch addresses for the trees.
//
- Char_t branchname[15];
-
- if ( fLoader->TreeH() && (fHits == 0x0)) fHits = new TClonesArray("AliTRDhit",405);
- AliDetector::SetTreeAddress();
-
- TBranch *branch;
- TTree *treeR = fLoader->TreeR();
-
- if (treeR) {
- sprintf(branchname,"%scluster",GetName());
- if (fRecPoints == 0x0) fRecPoints = new TObjArray(400);
- if (fRecPoints) {
- branch = treeR->GetBranch(branchname);
- if (branch) {
- branch->SetAddress(&fRecPoints);
- }
- }
- }
-
- if (fHitType > 0) {
- SetTreeAddress2();
+ if ( fLoader->TreeH() && (fHits == 0x0)) {
+ fHits = new TClonesArray("AliTRDhit",405);
}
+ AliDetector::SetTreeAddress();
}
}
-//_____________________________________________________________________________
-void AliTRD::FinishPrimary()
-{
- //
- // Store the hits in the containers after all primaries are finished
- //
-
- if (fTrackHits) {
- fTrackHits->FlushHitStack();
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRD::RemapTrackHitIDs(Int_t *map)
-{
- //
- // Remap the track IDs
- //
-
- if (!fTrackHits) {
- return;
- }
-
- if (fTrackHits) {
- TClonesArray *arr = fTrackHits->GetArray();;
- for (Int_t i = 0; i < arr->GetEntriesFast(); i++){
- AliTrackHitsParamV2 *info = (AliTrackHitsParamV2 *) (arr->At(i));
- info->fTrackID = map[info->fTrackID];
- }
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRD::ResetHits()
-{
- //
- // Reset the hits
- //
-
- AliDetector::ResetHits();
- if (fTrackHits) {
- fTrackHits->Clear();
- }
-
-}
-
-//_____________________________________________________________________________
-AliHit* AliTRD::FirstHit(Int_t track)
-{
- //
- // Return the first hit of a track
- //
-
- if (fHitType > 1) {
- return FirstHit2(track);
- }
-
- return AliDetector::FirstHit(track);
-
-}
-
-//_____________________________________________________________________________
-AliHit* AliTRD::NextHit()
-{
- //
- // Returns the next hit of a track
- //
-
- if (fHitType > 1) {
- return NextHit2();
- }
-
- return AliDetector::NextHit();
-
-}
-
-//_____________________________________________________________________________
-AliHit* AliTRD::FirstHit2(Int_t track)
-{
- //
- // Initializes the hit iterator.
- // Returns the address of the first hit of a track.
- // If <track> >= 0 the track is read from disk,
- // while if <track> < 0 the first hit of the current
- // track is returned.
- //
-
- if (track >= 0) {
- gAlice->ResetHits();
- TreeH()->GetEvent(track);
- }
-
- if (fTrackHits) {
- fTrackHits->First();
- return (AliHit*) fTrackHits->GetHit();
- }
- else {
- return 0;
- }
-
-}
-
-//_____________________________________________________________________________
-AliHit* AliTRD::NextHit2()
-{
- //
- // Returns the next hit of the current track
- //
-
- if (fTrackHits) {
- fTrackHits->Next();
- return (AliHit *) fTrackHits->GetHit();
- }
- else {
- return 0;
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRD::MakeBranch2(Option_t *option, const char *file)
-{
- //
- // Create a new branch in the current Root tree.
- // The branch of fHits is automatically split.
- //
-
- if (fHitType < 2) {
- return;
- }
-
- char branchname[10];
- sprintf(branchname,"%s2",GetName());
-
- // Get the pointer to the header
- const char *cH = strstr(option,"H");
-
- if (!fTrackHits) {
- fTrackHits = new AliTRDtrackHits();
- }
-
-
- if (fTrackHits && TreeH() && cH)
- {
- TreeH()->Branch(branchname,"AliTRDtrackHits",&fTrackHits,fBufferSize,99);
- Info("MakeBranch2","Making Branch %s for trackhits",branchname);
- }
-}
-
-//_____________________________________________________________________________
-void AliTRD::SetTreeAddress2()
-{
- //
- // Set the branch address for the trackHits tree
- //
- if (GetDebug()) Info("SetTreeAddress2","");
-
- TBranch *branch;
- char branchname[20];
- sprintf(branchname,"%s2",GetName());
-
- // Branch address for hit tree
- TTree *treeH = TreeH();
- if ((treeH) && (fHitType > 0)) {
- branch = treeH->GetBranch(branchname);
- if (branch)
- {
- branch->SetAddress(&fTrackHits);
- if (GetDebug())
- Info("SetTreeAddress2","Success.");
- }
- else
- {
- if (GetDebug())
- Info("SetTreeAddress2","Can NOT get the branch %s",branchname);
- }
- }
-
-}
-
-//_____________________________________________________________________________
-void AliTRD::AddHit2(Int_t track, Int_t det, Float_t *hits, Int_t q
- , Bool_t inDrift)
-{
- //
- // Add a hit to the list
- //
-
- Int_t rtrack;
-
- if (fIshunt) {
- Int_t primary = gAlice->GetPrimary(track);
- gAlice->Particle(primary)->SetBit(kKeepBit);
- rtrack = primary;
- }
- else {
- rtrack = track;
- gAlice->FlagTrack(track);
- }
-
- if ((fTrackHits) && (fHitType > 0)) {
- fTrackHits->AddHitTRD(det,rtrack,hits[0],hits[1],hits[2],q,inDrift);
- }
-
-}
-
-
-
-
-