AliPHOS(name,title)
{
// ctor : title is used to identify the layout
- // GPS2 = 5 modules (EMC + PPSD)
+ // 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
//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 ) )
+ 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;
}
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) ;
Float_t r = fGeom->GetIPtoCPVDistance() + 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 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++) ;
+ 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) ;
// 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->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() ;
+ 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->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
+
}
//____________________________________________________________________________
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 ---
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. ;
}
+//____________________________________________________________________________
+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);
+}
+
+//____________________________________________________________________________
+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::Init(void)
{