//_________________________________________________________________________
// Implementation version v0 of PHOS Manager class
// Layout EMC + PPSD has name GPS2
+// Layout EMC + CPV has name IHEP
+// An object of this class does not produce hits nor digits
+// It is the one to use if you do not want to produce outputs in TREEH or TREED
//
//*-- Author: Yves Schutz (SUBATECH)
#include "TBRIK.h"
#include "TNode.h"
#include "TRandom.h"
+#include "TGeometry.h"
// --- Standard library ---
// --- AliRoot header files ---
#include "AliPHOSv0.h"
-#include "AliPHOSHit.h"
-#include "AliPHOSDigit.h"
-#include "AliPHOSReconstructioner.h"
#include "AliRun.h"
#include "AliConst.h"
+#include "AliMC.h"
ClassImp(AliPHOSv0)
-//____________________________________________________________________________
-AliPHOSv0::AliPHOSv0()
-{
- // ctor
- fNTmpHits = 0 ;
- fTmpHits = 0 ;
-}
-
//____________________________________________________________________________
AliPHOSv0::AliPHOSv0(const char *name, const char *title):
AliPHOS(name,title)
{
// ctor : title is used to identify the layout
- // GPS2 = 5 modules (EMC + PPSD)
- // We use 2 arrays of hits :
- //
- // - fHits (the "normal" one), which retains the hits associated with
- // the current primary particle being tracked
- // (this array is reset after each primary has been tracked).
- //
- // - fTmpHits, which retains all the hits of the current event. It
- // is used for the digitization part.
-
- fPinElectronicNoise = 0.010 ;
- fDigitThreshold = 1. ; // 1 GeV
-
- // We do not want to save in TreeH the raw hits
- // fHits = new TClonesArray("AliPHOSHit",100) ;
- // gAlice->AddHitList(fHits) ;
-
- // But save the cumulated hits instead (need to create the branch myself)
- // It is put in the Digit Tree because the TreeH is filled after each primary
- // and the TreeD at the end of the event (branch is set in FinishEvent() ).
-
- fTmpHits= new TClonesArray("AliPHOSHit",1000) ;
-
- fNTmpHits = fNhits = 0 ;
-
- fDigits = new TClonesArray("AliPHOSDigit",1000) ;
-
-
- fIshunt = 1 ; // All hits are associated with primary particles
-
- // gets an instance of the geometry parameters class
-
- fGeom = AliPHOSGeometry::GetInstance(title, "") ;
-
- if (fGeom->IsInitialized() )
- cout << "AliPHOSv0 : PHOS geometry intialized for " << fGeom->GetName() << endl ;
- else
- cout << "AliPHOSv0 : PHOS geometry initialization failed !" << endl ;
-}
-
-//____________________________________________________________________________
-AliPHOSv0::AliPHOSv0(AliPHOSReconstructioner * Reconstructioner, const char *name, const char *title):
- AliPHOS(name,title)
-{
- // ctor : title is used to identify the layout
- // GPS2 = 5 modules (EMC + PPSD)
- // We use 2 arrays of hits :
- //
- // - fHits (the "normal" one), which retains the hits associated with
- // the current primary particle being tracked
- // (this array is reset after each primary has been tracked).
- //
- // - fTmpHits, which retains all the hits of the current event. It
- // is used for the digitization part.
-
- fPinElectronicNoise = 0.010 ;
-
- // We do not want to save in TreeH the raw hits
- //fHits = new TClonesArray("AliPHOSHit",100) ;
-
- fDigits = new TClonesArray("AliPHOSDigit",1000) ;
- fTmpHits= new TClonesArray("AliPHOSHit",1000) ;
-
- fNTmpHits = fNhits = 0 ;
-
- fIshunt = 1 ; // All hits are associated with primary particles
+ // GPS2 = 5 modules (EMC + PPSD)
+ // IHEP = 5 modules (EMC + CPV)
+ // MIXT = 4 modules (EMC + CPV) and 1 module (EMC + PPSD)
// gets an instance of the geometry parameters class
- fGeom = AliPHOSGeometry::GetInstance(title, "") ;
-
- if (fGeom->IsInitialized() )
- cout << "AliPHOSv0 : PHOS geometry intialized for " << fGeom->GetName() << endl ;
- else
- cout << "AliPHOSv0 : PHOS geometry initialization failed !" << endl ;
-
- // Defining the PHOS Reconstructioner
-
- fReconstructioner = Reconstructioner ;
-}
-
-//____________________________________________________________________________
-AliPHOSv0::~AliPHOSv0()
-{
- // dtor
-
- if ( fTmpHits) {
- fTmpHits->Delete() ;
- delete fTmpHits ;
- fTmpHits = 0 ;
- }
-
- if ( fEmcRecPoints ) {
- fEmcRecPoints->Delete() ;
- delete fEmcRecPoints ;
- fEmcRecPoints = 0 ;
- }
- if ( fPpsdRecPoints ) {
- fPpsdRecPoints->Delete() ;
- delete fPpsdRecPoints ;
- fPpsdRecPoints = 0 ;
- }
-
- if ( fTrackSegments ) {
- fTrackSegments->Delete() ;
- delete fTrackSegments ;
- fTrackSegments = 0 ;
- }
+ if (strcmp(GetTitle(),"") != 0 )
+ fGeom = AliPHOSGeometry::GetInstance(GetTitle(), "") ;
}
-//____________________________________________________________________________
-void AliPHOSv0::AddHit(Int_t primary, Int_t Id, Float_t * hits)
-{
- // Add a hit to the hit list.
- // A PHOS hit is the sum of all hits in a single crystal
- // or in a single PPSD gas cell
-
- Int_t hitCounter ;
- TClonesArray <mphits = *fTmpHits ;
- AliPHOSHit *newHit ;
- AliPHOSHit *curHit ;
- // AliPHOSHit *curHit2 ;
- Bool_t deja = kFALSE ;
-
- // In any case, fills the fTmpHit TClonesArray (with "accumulated hits")
-
- newHit = new AliPHOSHit(primary, Id, hits) ;
-
- // We do not want to save in TreeH the raw hits
- // TClonesArray &lhits = *fHits;
-
- for ( hitCounter = 0 ; hitCounter < fNTmpHits && !deja ; hitCounter++ ) {
- curHit = (AliPHOSHit*) ltmphits[hitCounter] ;
- if( *curHit == *newHit ) {
- *curHit = *curHit + *newHit ;
- deja = kTRUE ;
- }
- }
-
- if ( !deja ) {
- new(ltmphits[fNTmpHits]) AliPHOSHit(*newHit) ;
- fNTmpHits++ ;
- }
-
- // We do not want to save in TreeH the raw hits
- // new(lhits[fNhits]) AliPHOSHit(*newHit) ;
- // fNhits++ ;
-
- // Please note that the fTmpHits array must survive up to the
- // end of the events, so it does not appear e.g. in ResetHits() (
- // which is called at the end of each primary).
-
- delete newHit;
-
-}
-
-
//____________________________________________________________________________
void AliPHOSv0::BuildGeometry()
{
//END_HTML
this->BuildGeometryforPHOS() ;
- if ( ( strcmp(fGeom->GetName(), "GPS2" ) == 0 ) )
+ if (strcmp(fGeom->GetName(),"GPS2") == 0)
this->BuildGeometryforPPSD() ;
+ else if (strcmp(fGeom->GetName(),"IHEP") == 0)
+ this->BuildGeometryforCPV() ;
+ else if (strcmp(fGeom->GetName(),"MIXT") == 0) {
+ this->BuildGeometryforPPSD() ;
+ this->BuildGeometryforCPV() ;
+ }
else
- cout << "AliPHOSv0::BuildGeometry : no charged particle identification system installed" << endl;
+ cout << "AliPHOSv0::BuildGeometry : no charged particle identification system installed: "
+ << "Geometry name = " << fGeom->GetName() << endl;
}
crystalsboxnode->SetLineColor(kColorXTAL) ;
fNodes->Add(crystalsboxnode) ;
}
+
+ delete[] rotname ;
+ delete[] nodename ;
}
//____________________________________________________________________________
// Box for a full PHOS module
- new TBRIK( "PPSDBox", "PPSD box", "void", fGeom->GetPPSDBoxSize(0)/2,
- fGeom->GetPPSDBoxSize(1)/2,
- fGeom->GetPPSDBoxSize(2)/2 );
+ new TBRIK( "PPSDBox", "PPSD box", "void", fGeom->GetCPVBoxSize(0)/2,
+ fGeom->GetCPVBoxSize(1)/2,
+ fGeom->GetCPVBoxSize(2)/2 );
// Box containing one micromegas module
( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
// Gap between Lead and top micromegas
- new TBRIK ( "LeadToM", "Air Gap top", "void", fGeom->GetPPSDBoxSize(0)/2,
+ new TBRIK ( "LeadToM", "Air Gap top", "void", fGeom->GetCPVBoxSize(0)/2,
fGeom->GetMicro1ToLeadGap()/2,
- fGeom->GetPPSDBoxSize(2)/2 ) ;
+ fGeom->GetCPVBoxSize(2)/2 ) ;
// Gap between Lead and bottom micromegas
- new TBRIK ( "MToLead", "Air Gap bottom", "void", fGeom->GetPPSDBoxSize(0)/2,
+ new TBRIK ( "MToLead", "Air Gap bottom", "void", fGeom->GetCPVBoxSize(0)/2,
fGeom->GetLeadToMicro2Gap()/2,
- fGeom->GetPPSDBoxSize(2)/2 ) ;
+ fGeom->GetCPVBoxSize(2)/2 ) ;
// Lead converter
- new TBRIK ( "Lead", "Lead converter", "void", fGeom->GetPPSDBoxSize(0)/2,
+ new TBRIK ( "Lead", "Lead converter", "void", fGeom->GetCPVBoxSize(0)/2,
fGeom->GetLeadConverterThickness()/2,
- fGeom->GetPPSDBoxSize(2)/2 ) ;
+ fGeom->GetCPVBoxSize(2)/2 ) ;
// position PPSD into ALICE
char * nodename = new char[20] ;
char * rotname = new char[20] ;
- Float_t r = fGeom->GetIPtoTopLidDistance() + fGeom->GetPPSDBoxSize(1) / 2.0 ;
+ Float_t r = fGeom->GetIPtoTopLidDistance() + fGeom->GetCPVBoxSize(1) / 2.0 ;
Int_t number = 988 ;
TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
- for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) { // the number of PHOS modules
+ Int_t firstModule = 0 ;
+ if (strcmp(fGeom->GetName(),"GPS2") == 0)
+ firstModule = 1;
+ else if (strcmp(fGeom->GetName(),"MIXT") == 0)
+ firstModule = fGeom->GetNModules() - fGeom->GetNPPSDModules() + 1;
+
+ for( Int_t i = firstModule; i <= fGeom->GetNModules(); i++ ) { // the number of PHOS modules
Float_t angle = fGeom->GetPHOSAngle(i) ;
- sprintf(rotname, "%s%d", "rotg", number++) ;
+ sprintf(rotname, "%s%d", "rotg", number+i) ;
new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
top->cd();
sprintf(nodename, "%s%d", "Moduleg", i) ;
ppsdboxnode->cd() ;
// inside the PPSD box:
// 1. fNumberOfModulesPhi x fNumberOfModulesZ top micromegas
- x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
+ x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
{
for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module
- Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
+ Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
TNode * micro1node ;
for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module
- y = ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
+ y = ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
sprintf(nodename, "%s%d%d%d", "Mic1", i, iphi, iz) ;
micro1node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ;
micro1node->SetLineColor(kColorPPSD) ;
}
// 2. air gap
ppsdboxnode->cd() ;
- y = ( fGeom->GetPPSDBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
+ y = ( fGeom->GetCPVBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
sprintf(nodename, "%s%d", "GapUp", i) ;
TNode * gapupnode = new TNode(nodename, nodename, "LeadToM", 0, y, 0) ;
gapupnode->SetLineColor(kColorAir) ;
gapdownnode->SetLineColor(kColorAir) ;
fNodes->Add(gapdownnode) ;
// 5. fNumberOfModulesPhi x fNumberOfModulesZ bottom micromegas
- x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. - fGeom->GetPhiDisplacement() ;
+ x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. - fGeom->GetPhiDisplacement() ;
{
for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) {
- Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. - fGeom->GetZDisplacement() ;;
+ Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. - fGeom->GetZDisplacement() ;;
TNode * micro2node ;
for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) {
- y = - ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
+ y = - ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
sprintf(nodename, "%s%d%d%d", "Mic2", i, iphi, iz) ;
micro2node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ;
micro2node->SetLineColor(kColorPPSD) ;
}
+//____________________________________________________________________________
+void AliPHOSv0:: BuildGeometryforCPV(void)
+{
+ // Build the PHOS-CPV geometry for the ROOT display
+ // Author: Yuri Kharlov 11 September 2000
+ //
+ //BEGIN_HTML
+ /*
+ <H2>
+ CPV displayed by root
+ </H2>
+ <table width=700>
+
+ <tr>
+ <td>CPV perspective view</td>
+ <td>CPV front view </td>
+ </tr>
+
+ <tr>
+ <td> <img height=300 width=290 src="../images/CPVRootPersp.gif"> </td>
+ <td> <img height=300 width=290 src="../images/CPVRootFront.gif"> </td>
+ </tr>
+
+ </table>
+
+ */
+ //END_HTML
+
+ const Double_t kRADDEG = 180.0 / kPI ;
+ const Int_t kColorCPV = kGreen ;
+ const Int_t kColorFrame = kYellow ;
+ const Int_t kColorGassiplex = kRed;
+ const Int_t kColorPCB = kCyan;
+
+ // Box for a full PHOS module
+
+ new TBRIK ("CPVBox", "CPV box", "void", fGeom->GetCPVBoxSize(0)/2,
+ fGeom->GetCPVBoxSize(1)/2,
+ fGeom->GetCPVBoxSize(2)/2 );
+ new TBRIK ("CPVFrameLR", "CPV frame Left-Right", "void", fGeom->GetCPVFrameSize(0)/2,
+ fGeom->GetCPVFrameSize(1)/2,
+ fGeom->GetCPVBoxSize(2)/2 );
+ new TBRIK ("CPVFrameUD", "CPV frame Up-Down", "void", fGeom->GetCPVBoxSize(0)/2 - fGeom->GetCPVFrameSize(0),
+ fGeom->GetCPVFrameSize(1)/2,
+ fGeom->GetCPVFrameSize(2)/2);
+ new TBRIK ("CPVPCB", "CPV PCB", "void", fGeom->GetCPVActiveSize(0)/2,
+ fGeom->GetCPVTextoliteThickness()/2,
+ fGeom->GetCPVActiveSize(1)/2);
+ new TBRIK ("CPVGassiplex", "CPV Gassiplex PCB", "void", fGeom->GetGassiplexChipSize(0)/2,
+ fGeom->GetGassiplexChipSize(1)/2,
+ fGeom->GetGassiplexChipSize(2)/2);
+
+ // position CPV into ALICE
+
+ char * nodename = new char[25] ;
+ char * rotname = new char[25] ;
+
+ Float_t r = fGeom->GetIPtoCPVDistance() + fGeom->GetCPVBoxSize(1) / 2.0 ;
+ Int_t number = 988 ;
+ TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
+
+ Int_t lastModule = 0 ;
+ if (strcmp(fGeom->GetName(),"IHEP") == 0)
+ lastModule = fGeom->GetNModules();
+ else if (strcmp(fGeom->GetName(),"MIXT") == 0)
+ lastModule = fGeom->GetNModules() - fGeom->GetNPPSDModules();
+
+ for( Int_t i = 1; i <= lastModule; i++ ) { // the number of PHOS modules
+
+ // One CPV module
+
+ Float_t angle = fGeom->GetPHOSAngle(i) ;
+ sprintf(rotname, "%s%d", "rotg", number+i) ;
+ new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
+ top->cd();
+ sprintf(nodename, "%s%d", "CPVModule", i) ;
+ Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
+ Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
+ Float_t z;
+ TNode * cpvBoxNode = new TNode(nodename , nodename ,"CPVBox", x, y, 0, rotname ) ;
+ cpvBoxNode->SetLineColor(kColorCPV) ;
+ fNodes->Add(cpvBoxNode) ;
+ cpvBoxNode->cd() ;
+
+ // inside each CPV box:
+
+ // Frame around CPV
+ Int_t j;
+ for (j=0; j<=1; j++) {
+ sprintf(nodename, "CPVModule%d Frame%d", i, j+1) ;
+ x = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(0) - fGeom->GetCPVFrameSize(0)) / 2;
+ TNode * cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameLR", x, 0, 0) ;
+ cpvFrameNode->SetLineColor(kColorFrame) ;
+ fNodes->Add(cpvFrameNode) ;
+
+ sprintf(nodename, "CPVModule%d Frame%d", i, j+3) ;
+ z = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(2) - fGeom->GetCPVFrameSize(2)) / 2;
+ cpvFrameNode = new TNode(nodename , nodename ,"CPVFrameUD", 0, 0, z) ;
+ cpvFrameNode->SetLineColor(kColorFrame) ;
+ fNodes->Add(cpvFrameNode) ;
+ }
+
+ // 4 printed circuit boards
+ for (j=0; j<4; j++) {
+ sprintf(nodename, "CPVModule%d PCB%d", i, j+1) ;
+ y = fGeom->GetCPVFrameSize(1) / 2 - fGeom->GetFTPosition(j) + fGeom->GetCPVTextoliteThickness()/2;
+ TNode * cpvPCBNode = new TNode(nodename , nodename ,"CPVPCB", 0, y, 0) ;
+ cpvPCBNode->SetLineColor(kColorPCB) ;
+ fNodes->Add(cpvPCBNode) ;
+ }
+
+ // Gassiplex chips
+ Float_t xStep = fGeom->GetCPVActiveSize(0) / (fGeom->GetNumberOfCPVChipsPhi() + 1);
+ Float_t zStep = fGeom->GetCPVActiveSize(1) / (fGeom->GetNumberOfCPVChipsZ() + 1);
+ y = fGeom->GetCPVFrameSize(1)/2 - fGeom->GetFTPosition(0) +
+ fGeom->GetCPVTextoliteThickness() / 2 + fGeom->GetGassiplexChipSize(1) / 2 + 0.1;
+ for (Int_t ix=0; ix<fGeom->GetNumberOfCPVChipsPhi(); ix++) {
+ x = xStep * (ix+1) - fGeom->GetCPVActiveSize(0)/2;
+ for (Int_t iz=0; iz<fGeom->GetNumberOfCPVChipsZ(); iz++) {
+ z = zStep * (iz+1) - fGeom->GetCPVActiveSize(1)/2;
+ sprintf(nodename, "CPVModule%d Chip(%dx%d)", i, ix+1,iz+1) ;
+ TNode * cpvGassiplexNode = new TNode(nodename , nodename ,"CPVGassiplex", x, y, z) ;
+ cpvGassiplexNode->SetLineColor(kColorGassiplex) ;
+ fNodes->Add(cpvGassiplexNode) ;
+ }
+ }
+
+ } // PHOS modules
+
+ delete[] rotname ;
+ delete[] nodename ;
+}
+
//____________________________________________________________________________
void AliPHOSv0::CreateGeometry()
{
// Get pointer to the array containing media indeces
Int_t *idtmed = fIdtmed->GetArray() - 699 ;
+ // Create a box a PHOS module.
+ // In case of MIXT geometry 2 different boxes are needed
+
Float_t bigbox[3] ;
bigbox[0] = fGeom->GetOuterBoxSize(0) / 2.0 ;
- bigbox[1] = ( fGeom->GetOuterBoxSize(1) + fGeom->GetPPSDBoxSize(1) ) / 2.0 ;
+ bigbox[1] = ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ;
bigbox[2] = fGeom->GetOuterBoxSize(2) / 2.0 ;
- gMC->Gsvolu("PHOS", "BOX ", idtmed[798], bigbox, 3) ;
+ gMC->Gsvolu("PHOS", "BOX ", idtmed[798], bigbox, 3) ;
+
+ if ( strcmp( fGeom->GetName(),"MIXT") == 0 && fGeom->GetNPPSDModules() > 0)
+ gMC->Gsvolu("PHO1", "BOX ", idtmed[798], bigbox, 3) ;
- this->CreateGeometryforPHOS() ;
- if ( strcmp( fGeom->GetName(), "GPS2") == 0 )
+ this->CreateGeometryforPHOS() ;
+ if ( strcmp( fGeom->GetName(), "GPS2") == 0 )
this->CreateGeometryforPPSD() ;
+ else if ( strcmp( fGeom->GetName(), "IHEP") == 0 )
+ this->CreateGeometryforCPV() ;
+ else if ( strcmp( fGeom->GetName(), "MIXT") == 0 ) {
+ this->CreateGeometryforPPSD() ;
+ this->CreateGeometryforCPV() ;
+ }
else
cout << "AliPHOSv0::CreateGeometry : no charged particle identification system installed" << endl;
+
+ this->CreateGeometryforSupport() ;
// --- Position PHOS mdules in ALICE setup ---
Int_t idrotm[99] ;
Double_t const kRADDEG = 180.0 / kPI ;
- for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) {
+ Int_t lastModule;
+ if (strcmp(fGeom->GetName(),"MIXT") == 0)
+ lastModule = fGeom->GetNModules() - fGeom->GetNPPSDModules();
+ else
+ lastModule = fGeom->GetNModules();
+
+ Int_t i;
+ for( i = 1; i <= lastModule ; i++ ) {
Float_t angle = fGeom->GetPHOSAngle(i) ;
AliMatrix(idrotm[i-1], 90.0, angle, 90.0, 90.0+angle, 0.0, 0.0) ;
- Float_t r = fGeom->GetIPtoOuterCoverDistance() + ( fGeom->GetOuterBoxSize(1) + fGeom->GetPPSDBoxSize(1) ) / 2.0 ;
+ Float_t r = fGeom->GetIPtoOuterCoverDistance() + ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ;
- Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
+ Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
gMC->Gspos("PHOS", i, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ;
} // for GetNModules
+ for( i = lastModule+1; i <= fGeom->GetNModules(); i++ ) {
+
+ Float_t angle = fGeom->GetPHOSAngle(i) ;
+ AliMatrix(idrotm[i-1], 90.0, angle, 90.0, 90.0+angle, 0.0, 0.0) ;
+
+ Float_t r = fGeom->GetIPtoOuterCoverDistance() + ( fGeom->GetOuterBoxSize(1) + fGeom->GetCPVBoxSize(1) ) / 2.0 ;
+
+ Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
+ Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
+
+ gMC->Gspos("PHO1", i-lastModule, "ALIC", xP1, yP1, 0.0, idrotm[i-1], "ONLY") ;
+
+ } // for GetNModules
+
}
//____________________________________________________________________________
gMC->Gsvolu("EMCA", "BOX ", idtmed[706], dphos, 3) ;
- Float_t yO = - fGeom->GetPPSDBoxSize(1) / 2.0 ;
+ Float_t yO = - fGeom->GetCPVBoxSize(1) / 2.0 ;
- gMC->Gspos("EMCA", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ;
+ gMC->Gspos("EMCA", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ;
+ if ( strcmp( fGeom->GetName(),"MIXT") == 0 && fGeom->GetNPPSDModules() > 0)
+ gMC->Gspos("EMCA", 1, "PHO1", 0.0, yO, 0.0, 0, "ONLY") ;
// ---
// --- Define Textolit Wall box, position inside EMCA ---
void AliPHOSv0::CreateGeometryforPPSD()
{
// Create the PHOS-PPSD geometry for GEANT
-
//BEGIN_HTML
/*
<H2>
// The box containing all ppsd's for one PHOS module filled with air
Float_t ppsd[3] ;
- ppsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ;
- ppsd[1] = fGeom->GetPPSDBoxSize(1) / 2.0 ;
- ppsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ;
+ ppsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
+ ppsd[1] = fGeom->GetCPVBoxSize(1) / 2.0 ;
+ ppsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
gMC->Gsvolu("PPSD", "BOX ", idtmed[798], ppsd, 3) ;
Float_t yO = fGeom->GetOuterBoxSize(1) / 2.0 ;
- gMC->Gspos("PPSD", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ;
+ if ( strcmp( fGeom->GetName(),"MIXT") == 0 && fGeom->GetNPPSDModules() > 0)
+ gMC->Gspos("PPSD", 1, "PHO1", 0.0, yO, 0.0, 0, "ONLY") ;
+ else
+ gMC->Gspos("PPSD", 1, "PHOS", 0.0, yO, 0.0, 0, "ONLY") ;
// Now we build a micromegas module
// The box containing the whole module filled with epoxy (FR4)
// --- Divide GGPP in X (phi) and Z directions --
gMC->Gsdvn("GROW", "GGPS", fGeom->GetNumberOfPadsPhi(), 1) ;
- gMC->Gsdvn("GCEL", "GROW", fGeom->GetNumberOfPadsZ() , 3) ;
+ gMC->Gsdvn("GCEL", "GROW", fGeom->GetNumberOfPadsZ() , 3) ;
y0 = y0 - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
gMC->Gsvolu("CAPS", "BOX ", idtmed[710], cappsd, 3) ;
- y0 = y0 - ( fGeom->GetAvalancheGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
+ y0 = y0 - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
gMC->Gspos("CAPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
// Position the fNumberOfModulesPhi x fNumberOfModulesZ modules (mppsd) inside PPSD to cover a PHOS module
// the top and bottom one's (which are assumed identical) :
- Float_t yt = ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
- Float_t yb = - ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
+ Float_t yt = ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
+ Float_t yb = - ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
Int_t copyNumbertop = 0 ;
Int_t copyNumberbot = fGeom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() ;
- Float_t x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
+ Float_t x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module
- Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
+ Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module
gMC->Gspos("MPPS", ++copyNumbertop, "PPSD", x, yt, z, 0, "ONLY") ;
// 1. Upper air gap
Float_t uappsd[3] ;
- uappsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ;
+ uappsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
uappsd[1] = fGeom->GetMicro1ToLeadGap() / 2.0 ;
- uappsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ;
+ uappsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
gMC->Gsvolu("UAPPSD", "BOX ", idtmed[798], uappsd, 3) ;
- y0 = ( fGeom->GetPPSDBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
+ y0 = ( fGeom->GetCPVBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
gMC->Gspos("UAPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
// 2. Lead converter
Float_t lcppsd[3] ;
- lcppsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ;
+ lcppsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
lcppsd[1] = fGeom->GetLeadConverterThickness() / 2.0 ;
- lcppsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ;
+ lcppsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
gMC->Gsvolu("LCPPSD", "BOX ", idtmed[712], lcppsd, 3) ;
// 3. Lower air gap
Float_t lappsd[3] ;
- lappsd[0] = fGeom->GetPPSDBoxSize(0) / 2.0 ;
+ lappsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
lappsd[1] = fGeom->GetLeadToMicro2Gap() / 2.0 ;
- lappsd[2] = fGeom->GetPPSDBoxSize(2) / 2.0 ;
+ lappsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
gMC->Gsvolu("LAPPSD", "BOX ", idtmed[798], lappsd, 3) ;
}
-//___________________________________________________________________________
-Int_t AliPHOSv0::Digitize(Float_t Energy)
-{
- // Applies the energy calibration
-
- Float_t fB = 100000000. ;
- Float_t fA = 0. ;
- Int_t chan = Int_t(fA + Energy*fB ) ;
- return chan ;
-}
-//___________________________________________________________________________
-void AliPHOSv0::FinishEvent()
+//____________________________________________________________________________
+void AliPHOSv0::CreateGeometryforCPV()
{
- // Makes the digits from the sum of summed hit in a single crystal or PPSD gas cell
- // Adds to the energy the electronic noise
- // Keeps digits with energy above fDigitThreshold
+ // Create the PHOS-CPV geometry for GEANT
+ // Author: Yuri Kharlov 11 September 2000
+ //BEGIN_HTML
+ /*
+ <H2>
+ Geant3 geometry of PHOS-CPV in ALICE
+ </H2>
+ <table width=700>
- // Save the cumulated hits instead of raw hits (need to create the branch myself)
- // It is put in the Digit Tree because the TreeH is filled after each primary
- // and the TreeD at the end of the event.
-
-
- Int_t i ;
- Int_t relid[4];
- Int_t j ;
- TClonesArray &lDigits = *fDigits ;
- AliPHOSHit * hit ;
- AliPHOSDigit * newdigit ;
- AliPHOSDigit * curdigit ;
- Bool_t deja = kFALSE ;
-
- for ( i = 0 ; i < fNTmpHits ; i++ ) {
- hit = (AliPHOSHit*)fTmpHits->At(i) ;
- newdigit = new AliPHOSDigit( hit->GetPrimary(), hit->GetId(), Digitize( hit->GetEnergy() ) ) ;
- deja =kFALSE ;
- for ( j = 0 ; j < fNdigits ; j++) {
- curdigit = (AliPHOSDigit*) lDigits[j] ;
- if ( *curdigit == *newdigit) {
- *curdigit = *curdigit + *newdigit ;
- deja = kTRUE ;
- }
- }
- if ( !deja ) {
- new(lDigits[fNdigits]) AliPHOSDigit(* newdigit) ;
- fNdigits++ ;
- }
-
- delete newdigit ;
- }
-
- // Noise induced by the PIN diode of the PbWO crystals
+ <tr>
+ <td>CPV perspective view</td>
+ <td>CPV front view </td>
+ </tr>
+
+ <tr>
+ <td> <img height=300 width=290 src="../images/CPVallPersp.gif"> </td>
+ <td> <img height=300 width=290 src="../images/CPVallFront.gif"> </td>
+ </tr>
- Float_t energyandnoise ;
- for ( i = 0 ; i < fNdigits ; i++ ) {
- newdigit = (AliPHOSDigit * ) fDigits->At(i) ;
- fGeom->AbsToRelNumbering(newdigit->GetId(), relid) ;
+ <tr>
+ <td>One CPV module, perspective view </td>
+ <td>One CPV module, front view (extended in vertical direction) </td>
+ </tr>
- if (relid[1]==0){ // Digits belong to EMC (PbW0_4 crystals)
- energyandnoise = newdigit->GetAmp() + Digitize(gRandom->Gaus(0., fPinElectronicNoise)) ;
+ <tr>
+ <td><img height=300 width=290 src="../images/CPVmodulePers.gif"></td>
+ <td><img height=300 width=290 src="../images/CPVmoduleSide.gif"></td>
+ </tr>
- if (energyandnoise < 0 )
- energyandnoise = 0 ;
+ </table>
- if ( newdigit->GetAmp() < fDigitThreshold ) // if threshold not surpassed, remove digit from list
- fDigits->RemoveAt(i) ;
+ <H2>
+ Geant3 geometry tree of PHOS-CPV in ALICE
+ </H2>
+ <center>
+ <img height=300 width=290 src="../images/CPVtree.gif">
+ </center>
+ */
+ //END_HTML
+
+ Float_t par[3], x,y,z;
+
+ // Get pointer to the array containing media indexes
+ Int_t *idtmed = fIdtmed->GetArray() - 699 ;
+
+ // The box containing all CPV for one PHOS module filled with air
+ par[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
+ par[1] = fGeom->GetCPVBoxSize(1) / 2.0 ;
+ par[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
+ gMC->Gsvolu("CPV ", "BOX ", idtmed[798], par, 3) ;
+
+ y = fGeom->GetOuterBoxSize(1) / 2.0 ;
+ gMC->Gspos("CPV ", 1, "PHOS", 0.0, y, 0.0, 0, "ONLY") ;
+
+ // Gassiplex board
+
+ par[0] = fGeom->GetGassiplexChipSize(0)/2.;
+ par[1] = fGeom->GetGassiplexChipSize(1)/2.;
+ par[2] = fGeom->GetGassiplexChipSize(2)/2.;
+ gMC->Gsvolu("CPVC","BOX ",idtmed[707],par,3);
+
+ // Cu+Ni foil covers Gassiplex board
+
+ par[1] = fGeom->GetCPVCuNiFoilThickness()/2;
+ gMC->Gsvolu("CPVD","BOX ",idtmed[710],par,3);
+ y = -(fGeom->GetGassiplexChipSize(1)/2 - par[1]);
+ gMC->Gspos("CPVD",1,"CPVC",0,y,0,0,"ONLY");
+
+ // Position of the chip inside CPV
+
+ Float_t xStep = fGeom->GetCPVActiveSize(0) / (fGeom->GetNumberOfCPVChipsPhi() + 1);
+ Float_t zStep = fGeom->GetCPVActiveSize(1) / (fGeom->GetNumberOfCPVChipsZ() + 1);
+ Int_t copy = 0;
+ y = fGeom->GetCPVFrameSize(1)/2 - fGeom->GetFTPosition(0) +
+ fGeom->GetCPVTextoliteThickness() / 2 + fGeom->GetGassiplexChipSize(1) / 2 + 0.1;
+ for (Int_t ix=0; ix<fGeom->GetNumberOfCPVChipsPhi(); ix++) {
+ x = xStep * (ix+1) - fGeom->GetCPVActiveSize(0)/2;
+ for (Int_t iz=0; iz<fGeom->GetNumberOfCPVChipsZ(); iz++) {
+ copy++;
+ z = zStep * (iz+1) - fGeom->GetCPVActiveSize(1)/2;
+ gMC->Gspos("CPVC",copy,"CPV",x,y,z,0,"ONLY");
}
}
+
+ // Foiled textolite (1 mm of textolite + 50 mkm of Cu + 6 mkm of Ni)
- fDigits->Compress() ;
+ par[0] = fGeom->GetCPVActiveSize(0) / 2;
+ par[1] = fGeom->GetCPVTextoliteThickness() / 2;
+ par[2] = fGeom->GetCPVActiveSize(1) / 2;
+ gMC->Gsvolu("CPVF","BOX ",idtmed[707],par,3);
+
+ // Argon gas volume
- fNdigits = fDigits->GetEntries() ;
- for (i = 0 ; i < fNdigits ; i++) {
- newdigit = (AliPHOSDigit *) fDigits->At(i) ;
- newdigit->SetIndexInList(i) ;
+ par[1] = (fGeom->GetFTPosition(2) - fGeom->GetFTPosition(1) - fGeom->GetCPVTextoliteThickness()) / 2;
+ gMC->Gsvolu("CPVG","BOX ",idtmed[715],par,3);
+
+ for (Int_t i=0; i<4; i++) {
+ y = fGeom->GetCPVFrameSize(1) / 2 - fGeom->GetFTPosition(i) + fGeom->GetCPVTextoliteThickness()/2;
+ gMC->Gspos("CPVF",i+1,"CPV",0,y,0,0,"ONLY");
+ if(i==1){
+ y-= (fGeom->GetFTPosition(2) - fGeom->GetFTPosition(1)) / 2;
+ gMC->Gspos("CPVG",1,"CPV ",0,y,0,0,"ONLY");
+ }
}
-
-}
-//____________________________________________________________________________
-void AliPHOSv0::Init(void)
-{
- // Just prints an information message
-
- Int_t i;
+ // Dummy sensitive plane in the middle of argone gas volume
- printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" PHOS_INIT ");
- for(i=0;i<35;i++) printf("*");
- printf("\n");
+ par[1]=0.001;
+ gMC->Gsvolu("CPVQ","BOX ",idtmed[715],par,3);
+ gMC->Gspos ("CPVQ",1,"CPVG",0,0,0,0,"ONLY");
- // Here the PHOS initialisation code (if any!)
+ // Cu+Ni foil covers textolite
- for(i=0;i<80;i++) printf("*");
- printf("\n");
-
-}
+ par[1] = fGeom->GetCPVCuNiFoilThickness() / 2;
+ gMC->Gsvolu("CPV1","BOX ",idtmed[710],par,3);
+ y = fGeom->GetCPVTextoliteThickness()/2 - par[1];
+ gMC->Gspos ("CPV1",1,"CPVF",0,y,0,0,"ONLY");
-//___________________________________________________________________________
-void AliPHOSv0::MakeBranch(Option_t* opt)
-{
- // Create new branche in the current Root Tree in the digit Tree
+ // Aluminum frame around CPV
- AliDetector::MakeBranch(opt) ;
-
- char branchname[10];
- sprintf(branchname,"%s",GetName());
- char *cdD = strstr(opt,"D");
- if (fDigits && gAlice->TreeD() && cdD) {
- gAlice->TreeD()->Branch(branchname, &fDigits, fBufferSize);
- }
+ par[0] = fGeom->GetCPVFrameSize(0)/2;
+ par[1] = fGeom->GetCPVFrameSize(1)/2;
+ par[2] = fGeom->GetCPVBoxSize(2) /2;
+ gMC->Gsvolu("CFR1","BOX ",idtmed[701],par,3);
- // Create new branche PHOSCH in the current Root Tree in the digit Tree for accumulated Hits
- if ( ! (gAlice->IsLegoRun()) ) { // only when not in lego plot mode
- if ( fTmpHits && gAlice->TreeD() && cdD) {
- char branchname[10] ;
- sprintf(branchname, "%sCH", GetName()) ;
- gAlice->TreeD()->Branch(branchname, &fTmpHits, fBufferSize) ;
- }
+ par[0] = fGeom->GetCPVBoxSize(0)/2 - fGeom->GetCPVFrameSize(0);
+ par[1] = fGeom->GetCPVFrameSize(1)/2;
+ par[2] = fGeom->GetCPVFrameSize(2)/2;
+ gMC->Gsvolu("CFR2","BOX ",idtmed[701],par,3);
+
+ for (Int_t j=0; j<=1; j++) {
+ x = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(0) - fGeom->GetCPVFrameSize(0)) / 2;
+ gMC->Gspos("CFR1",j+1,"CPV", x,0,0,0,"ONLY");
+ z = TMath::Sign(1,2*j-1) * (fGeom->GetCPVBoxSize(2) - fGeom->GetCPVFrameSize(2)) / 2;
+ gMC->Gspos("CFR2",j+1,"CPV",0, 0,z,0,"ONLY");
}
}
+
//____________________________________________________________________________
-AliPHOSRecPoint::RecPointsList * AliPHOSv0::PpsdRecPoints(Int_t evt)
+void AliPHOSv0::CreateGeometryforSupport()
{
- // returns the pointer to the PPSD RecPoints list
- // if the list is empty, get it from TreeR on the disk file
-
- AliPHOSRecPoint::RecPointsList * rv = 0 ;
+ // Create the PHOS' support geometry for GEANT
+ //BEGIN_HTML
+ /*
+ <H2>
+ Geant3 geometry of the PHOS's support
+ </H2>
+ <P><CENTER>
+ <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/PHOS_support.gif">
+ </CENTER><P>
+ */
+ //END_HTML
+
+ Float_t par[5], x0,y0,z0 ;
+ Int_t i,j,copy;
- if ( fPpsdRecPoints )
- rv = fPpsdRecPoints ;
+ // Get pointer to the array containing media indexes
+ Int_t *idtmed = fIdtmed->GetArray() - 699 ;
- else {
- fPpsdRecPoints = new TClonesArray("AliPHOSPpsdRecPoint", 100) ;
- gAlice->GetEvent(evt) ;
- TTree * fReconstruct = gAlice->TreeR() ;
- fReconstruct->SetBranchAddress( "PHOSPpsdRP", &fPpsdRecPoints) ;
- fReconstruct->GetEvent(0) ;
- rv = fPpsdRecPoints ;
- }
-
- fPpsdRecPoints->Expand( fPpsdRecPoints->GetEntries() ) ;
-
- return rv ;
-
-}
+ // --- Dummy box containing two rails on which PHOS support moves
+ // --- Put these rails to the bottom of the L3 magnet
-//_____________________________________________________________________________
-void AliPHOSv0::Reconstruction(AliPHOSReconstructioner * Reconstructioner)
-{
- // 1. Reinitializes the existing RecPoint, TrackSegment, and RecParticles Lists and
- // 2. Creates TreeR with a branch for each list
- // 3. Steers the reconstruction processes
- // 4. Saves the 3 lists in TreeR
- // 5. Write the Tree to File
-
- fReconstructioner = Reconstructioner ;
-
- char branchname[10] ;
+ par[0] = fGeom->GetRailRoadSize(0) / 2.0 ;
+ par[1] = fGeom->GetRailRoadSize(1) / 2.0 ;
+ par[2] = fGeom->GetRailRoadSize(2) / 2.0 ;
+ gMC->Gsvolu("PRRD", "BOX ", idtmed[798], par, 3) ;
-
+ y0 = -(fGeom->GetRailsDistanceFromIP() - fGeom->GetRailRoadSize(1) / 2.0) ;
+ gMC->Gspos("PRRD", 1, "ALIC", 0.0, y0, 0.0, 0, "ONLY") ;
+ // --- Dummy box containing one rail
- // 1.
+ par[0] = fGeom->GetRailOuterSize(0) / 2.0 ;
+ par[1] = fGeom->GetRailOuterSize(1) / 2.0 ;
+ par[2] = fGeom->GetRailOuterSize(2) / 2.0 ;
+ gMC->Gsvolu("PRAI", "BOX ", idtmed[798], par, 3) ;
- // gAlice->MakeTree("R") ;
- Int_t splitlevel = 0 ;
-
- if (fEmcRecPoints) {
- fEmcRecPoints->Delete() ;
- delete fEmcRecPoints ;
- fEmcRecPoints = 0 ;
+ for (i=0; i<2; i++) {
+ x0 = (2*i-1) * fGeom->GetDistanceBetwRails() / 2.0 ;
+ gMC->Gspos("PRAI", i, "PRRD", x0, 0.0, 0.0, 0, "ONLY") ;
}
- // fEmcRecPoints= new AliPHOSRecPoint::RecPointsList("AliPHOSEmcRecPoint", 1000) ; if TClonesArray
- fEmcRecPoints= new AliPHOSRecPoint::RecPointsList(100) ;
+ // --- Upper and bottom steel parts of the rail
- if ( fEmcRecPoints && gAlice->TreeR() ) {
- sprintf(branchname,"%sEmcRP",GetName()) ;
-
- // gAlice->TreeR()->Branch(branchname, &fEmcRecPoints, fBufferSize); if TClonesArray
- gAlice->TreeR()->Branch(branchname, "TObjArray", &fEmcRecPoints, fBufferSize, splitlevel) ;
- }
+ par[0] = fGeom->GetRailPart1(0) / 2.0 ;
+ par[1] = fGeom->GetRailPart1(1) / 2.0 ;
+ par[2] = fGeom->GetRailPart1(2) / 2.0 ;
+ gMC->Gsvolu("PRP1", "BOX ", idtmed[716], par, 3) ;
- if (fPpsdRecPoints) {
- fPpsdRecPoints->Delete() ;
- delete fPpsdRecPoints ;
- fPpsdRecPoints = 0 ;
- }
+ y0 = - (fGeom->GetRailOuterSize(1) - fGeom->GetRailPart1(1)) / 2.0 ;
+ gMC->Gspos("PRP1", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
+ y0 = (fGeom->GetRailOuterSize(1) - fGeom->GetRailPart1(1)) / 2.0 - fGeom->GetRailPart3(1);
+ gMC->Gspos("PRP1", 2, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
- // fPpsdRecPoints = new AliPHOSRecPoint::RecPointsList("AliPHOSPpsdRecPoint", 1000) ; if TClonesArray
- fPpsdRecPoints = new AliPHOSRecPoint::RecPointsList(100) ;
+ // --- The middle vertical steel parts of the rail
- if ( fPpsdRecPoints && gAlice->TreeR() ) {
- sprintf(branchname,"%sPpsdRP",GetName()) ;
-
- // gAlice->TreeR()->Branch(branchname, &fPpsdRecPoints, fBufferSize); if TClonesArray
- gAlice->TreeR()->Branch(branchname, "TObjArray", &fPpsdRecPoints, fBufferSize, splitlevel) ;
- }
+ par[0] = fGeom->GetRailPart2(0) / 2.0 ;
+ par[1] = fGeom->GetRailPart2(1) / 2.0 ;
+ par[2] = fGeom->GetRailPart2(2) / 2.0 ;
+ gMC->Gsvolu("PRP2", "BOX ", idtmed[716], par, 3) ;
- if (fTrackSegments) {
- fTrackSegments->Delete() ;
- delete fTrackSegments ;
- fTrackSegments = 0 ;
- }
+ y0 = - fGeom->GetRailPart3(1) / 2.0 ;
+ gMC->Gspos("PRP2", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
- fTrackSegments = new AliPHOSTrackSegment::TrackSegmentsList("AliPHOSTrackSegment", 1000) ;
- if ( fTrackSegments && gAlice->TreeR() ) {
- sprintf(branchname,"%sTS",GetName()) ;
- gAlice->TreeR()->Branch(branchname, &fTrackSegments, fBufferSize) ;
- }
+ // --- The most upper steel parts of the rail
- if (fRecParticles) {
- fRecParticles->Delete() ;
- delete fRecParticles ;
- fRecParticles = 0 ;
- }
- fRecParticles = new AliPHOSRecParticle::RecParticlesList("AliPHOSRecParticle", 1000) ;
- if ( fRecParticles && gAlice->TreeR() ) {
- sprintf(branchname,"%sRP",GetName()) ;
- gAlice->TreeR()->Branch(branchname, &fRecParticles, fBufferSize) ;
- }
-
- // 3.
+ par[0] = fGeom->GetRailPart3(0) / 2.0 ;
+ par[1] = fGeom->GetRailPart3(1) / 2.0 ;
+ par[2] = fGeom->GetRailPart3(2) / 2.0 ;
+ gMC->Gsvolu("PRP3", "BOX ", idtmed[716], par, 3) ;
- fReconstructioner->Make(fDigits, fEmcRecPoints, fPpsdRecPoints, fTrackSegments, fRecParticles);
+ y0 = (fGeom->GetRailOuterSize(1) - fGeom->GetRailPart3(1)) / 2.0 ;
+ gMC->Gspos("PRP3", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
- // 4. Expand or Shrink the arrays to the proper size
-
- Int_t size ;
-
- size = fEmcRecPoints->GetEntries() ;
- fEmcRecPoints->Expand(size) ;
-
- size = fPpsdRecPoints->GetEntries() ;
- fPpsdRecPoints->Expand(size) ;
+ // --- The wall of the cradle
+ // --- The wall is empty: steel thin walls and air inside
- size = fTrackSegments->GetEntries() ;
- fTrackSegments->Expand(size) ;
+ par[1] = TMath::Sqrt(
+ TMath::Power((fGeom->GetIPtoOuterCoverDistance() + fGeom->GetOuterBoxSize(1)),2) +
+ TMath::Power((fGeom->GetOuterBoxSize(0)/2),2)) + 10.;
+ par[0] = par[1] - fGeom->GetCradleWall(1) ;
+ par[2] = fGeom->GetCradleWall(2) / 2.0 ;
+ par[3] = fGeom->GetCradleWall(3) ;
+ par[4] = fGeom->GetCradleWall(4) ;
+ gMC->Gsvolu("PCRA", "TUBS", idtmed[716], par, 5) ;
- size = fRecParticles->GetEntries() ;
- fRecParticles->Expand(size) ;
+ par[0] -= fGeom->GetCradleWallThickness() ;
+ par[1] -= fGeom->GetCradleWallThickness() ;
+ par[2] -= fGeom->GetCradleWallThickness() ;
+ gMC->Gsvolu("PCRE", "TUBS", idtmed[798], par, 5) ;
+ gMC->Gspos ("PCRE", 1, "PCRA", 0.0, 0.0, 0.0, 0, "ONLY") ;
- gAlice->TreeR()->Fill() ;
- cout << "filled" << endl ;
- // 5.
+ for (i=0; i<2; i++) {
+ z0 = (2*i-1) * (fGeom->GetOuterBoxSize(2) + fGeom->GetCradleWall(2)) / 2.0 ;
+ gMC->Gspos("PCRA", i, "ALIC", 0.0, 0.0, z0, 0, "ONLY") ;
+ }
- gAlice->TreeR()->Write() ;
- cout << "writen" << endl ;
-
- // Deleting reconstructed objects
- ResetReconstruction();
+ // --- The "wheels" of the cradle
+
+ par[0] = fGeom->GetCradleWheel(0) / 2;
+ par[1] = fGeom->GetCradleWheel(1) / 2;
+ par[2] = fGeom->GetCradleWheel(2) / 2;
+ gMC->Gsvolu("PWHE", "BOX ", idtmed[716], par, 3) ;
+
+ y0 = -(fGeom->GetRailsDistanceFromIP() - fGeom->GetRailRoadSize(1) -
+ fGeom->GetCradleWheel(1)/2) ;
+ for (i=0; i<2; i++) {
+ z0 = (2*i-1) * ((fGeom->GetOuterBoxSize(2) + fGeom->GetCradleWheel(2)) / 2.0 +
+ fGeom->GetCradleWall(2));
+ for (j=0; j<2; j++) {
+ copy = 2*i + j;
+ x0 = (2*j-1) * fGeom->GetDistanceBetwRails() / 2.0 ;
+ gMC->Gspos("PWHE", copy, "ALIC", x0, y0, z0, 0, "ONLY") ;
+ }
+ }
-
}
//____________________________________________________________________________
-void AliPHOSv0::ResetDigits()
-{
- // May sound strange, but cumulative hits are store in digits Tree
- AliDetector::ResetDigits();
- if( fTmpHits ) {
- fTmpHits->Delete();
- fNTmpHits = 0 ;
- }
-}
+Float_t AliPHOSv0::ZMin(void) const
+{
+ // Overall dimension of the PHOS (min)
+ // Take it twice more than the PHOS module size
+ return -fGeom->GetOuterBoxSize(2);
+}
+
//____________________________________________________________________________
-void AliPHOSv0::ResetReconstruction()
-{
- // Deleting reconstructed objects
-
- if ( fEmcRecPoints ) fEmcRecPoints->Delete();
- if ( fPpsdRecPoints ) fPpsdRecPoints->Delete();
- if ( fTrackSegments ) fTrackSegments->Delete();
- if ( fRecParticles ) fRecParticles->Delete();
-
+Float_t AliPHOSv0::ZMax(void) const
+{
+ // Overall dimension of the PHOS (max)
+ // Take it twice more than the PHOS module size
+ return fGeom->GetOuterBoxSize(2);
}
+
//____________________________________________________________________________
-void AliPHOSv0::StepManager(void)
+void AliPHOSv0::Init(void)
{
- // Accumulates hits as long as the track stays in a single crystal or PPSD gas Cell
+ // Just prints an information message
+
+ Int_t i;
- Int_t relid[4] ; // (box, layer, row, column) indices
- Float_t xyze[4] ; // position wrt MRS and energy deposited
- TLorentzVector pos ;
- Int_t copy ;
+ printf("\n");
+ for(i=0;i<35;i++) printf("*");
+ printf(" PHOS_INIT ");
+ for(i=0;i<35;i++) printf("*");
+ printf("\n");
- Int_t primary = gAlice->GetPrimary( gAlice->CurrentTrack() );
- TString name = fGeom->GetName() ;
- if ( name == "GPS2" ) { // the CPV is a PPSD
- if( gMC->CurrentVolID(copy) == gMC->VolId("GCEL") ) // We are inside a gas cell
- {
- gMC->TrackPosition(pos) ;
- xyze[0] = pos[0] ;
- xyze[1] = pos[1] ;
- xyze[2] = pos[2] ;
- xyze[3] = gMC->Edep() ;
-
- if ( xyze[3] != 0 ) { // there is deposited energy
- gMC->CurrentVolOffID(5, relid[0]) ; // get the PHOS Module number
- gMC->CurrentVolOffID(3, relid[1]) ; // get the Micromegas Module number
- // 1-> Geom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() upper
- // > fGeom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() lower
- gMC->CurrentVolOffID(1, relid[2]) ; // get the row number of the cell
- gMC->CurrentVolID(relid[3]) ; // get the column number
-
- // get the absolute Id number
-
- Int_t absid ;
- fGeom->RelToAbsNumbering(relid, absid) ;
-
- // add current hit to the hit list
- AddHit(primary, absid, xyze);
-
- } // there is deposited energy
- } // We are inside the gas of the CPV
- } // GPS2 configuration
-
- if(gMC->CurrentVolID(copy) == gMC->VolId("PXTL") ) // We are inside a PBWO crystal
- {
- gMC->TrackPosition(pos) ;
- xyze[0] = pos[0] ;
- xyze[1] = pos[1] ;
- xyze[2] = pos[2] ;
- xyze[3] = gMC->Edep() ;
-
- if ( xyze[3] != 0 ) {
- gMC->CurrentVolOffID(10, relid[0]) ; // get the PHOS module number ;
- relid[1] = 0 ; // means PBW04
- gMC->CurrentVolOffID(4, relid[2]) ; // get the row number inside the module
- gMC->CurrentVolOffID(3, relid[3]) ; // get the cell number inside the module
-
- // get the absolute Id number
-
- Int_t absid ;
- fGeom->RelToAbsNumbering(relid, absid) ;
-
- // add current hit to the hit list
+ // Here the PHOS initialisation code (if any!)
- AddHit(primary, absid, xyze);
-
- } // there is deposited energy
- } // we are inside a PHOS Xtal
+ if (fGeom!=0)
+ cout << "AliPHOS" << Version() << " : PHOS geometry intialized for " << fGeom->GetName() << endl ;
+ else
+ cout << "AliPHOS" << Version() << " : PHOS geometry initialization failed !" << endl ;
+
+ for(i=0;i<80;i++) printf("*");
+ printf("\n");
+
}