-/////////////////////////////////////////////////////////
-// Manager and hits classes for set:PHOS version 0 //
-/////////////////////////////////////////////////////////
-
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/* $Id$ */
+
+//_________________________________________________________________________
+// 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)
+
+
// --- ROOT system ---
-#include "TH1.h"
-#include "TRandom.h"
-#include "TFile.h"
-#include "TTree.h"
+
#include "TBRIK.h"
#include "TNode.h"
+#include "TRandom.h"
+#include "TGeometry.h"
+
+
+// --- Standard library ---
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <strstream.h>
+
+// --- AliRoot header files ---
-// --- galice header files ---
#include "AliPHOSv0.h"
#include "AliRun.h"
-#include "AliMC.h"
+#include "AliConst.h"
+#include "AliMC.h"
ClassImp(AliPHOSv0)
-//______________________________________________________________________________
+//____________________________________________________________________________
+AliPHOSv0::AliPHOSv0(const char *name, const char *title):
+ AliPHOS(name,title)
+{
+ // ctor : title is used to identify the layout
+ // 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
+ if (strcmp(GetTitle(),"") != 0 )
+ fGeom = AliPHOSGeometry::GetInstance(GetTitle(), "") ;
-AliPHOSv0::AliPHOSv0()
+}
+
+//____________________________________________________________________________
+void AliPHOSv0::BuildGeometry()
{
- fIdSens=0;
+ // Build the PHOS geometry for the ROOT display
+ //BEGIN_HTML
+ /*
+ <H2>
+ PHOS in ALICE displayed by root
+ </H2>
+ <UL>
+ <LI> All Views
+ <P>
+ <CENTER>
+ <IMG Align=BOTTOM ALT="All Views" SRC="../images/AliPHOSv0AllViews.gif">
+ </CENTER></P></LI>
+ <LI> Front View
+ <P>
+ <CENTER>
+ <IMG Align=BOTTOM ALT="Front View" SRC="../images/AliPHOSv0FrontView.gif">
+ </CENTER></P></LI>
+ <LI> 3D View 1
+ <P>
+ <CENTER>
+ <IMG Align=BOTTOM ALT="3D View 1" SRC="../images/AliPHOSv03DView1.gif">
+ </CENTER></P></LI>
+ <LI> 3D View 2
+ <P>
+ <CENTER>
+ <IMG Align=BOTTOM ALT="3D View 2" SRC="../images/AliPHOSv03DView2.gif">
+ </CENTER></P></LI>
+ </UL>
+ */
+ //END_HTML
+
+ this->BuildGeometryforPHOS() ;
+ 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: "
+ << "Geometry name = " << fGeom->GetName() << endl;
+
}
-
-//______________________________________________________________________________
-AliPHOSv0::AliPHOSv0(const char *name, const char *title)
- : AliPHOS(name, title)
+//____________________________________________________________________________
+void AliPHOSv0:: BuildGeometryforPHOS(void)
{
- fIdSens=0;
+ // Build the PHOS-EMC geometry for the ROOT display
+
+ const Int_t kColorPHOS = kRed ;
+ const Int_t kColorXTAL = kBlue ;
+
+ Double_t const kRADDEG = 180.0 / kPI ;
+
+ new TBRIK( "OuterBox", "PHOS box", "void", fGeom->GetOuterBoxSize(0)/2,
+ fGeom->GetOuterBoxSize(1)/2,
+ fGeom->GetOuterBoxSize(2)/2 );
+
+ // Textolit Wall box, position inside PHOS
+
+ new TBRIK( "TextolitBox", "PHOS Textolit box ", "void", fGeom->GetTextolitBoxSize(0)/2,
+ fGeom->GetTextolitBoxSize(1)/2,
+ fGeom->GetTextolitBoxSize(2)/2);
+
+ // Polystyrene Foam Plate
+
+ new TBRIK( "UpperFoamPlate", "PHOS Upper foam plate", "void", fGeom->GetTextolitBoxSize(0)/2,
+ fGeom->GetSecondUpperPlateThickness()/2,
+ fGeom->GetTextolitBoxSize(2)/2 ) ;
+
+ // Air Filled Box
+
+ new TBRIK( "AirFilledBox", "PHOS air filled box", "void", fGeom->GetAirFilledBoxSize(0)/2,
+ fGeom->GetAirFilledBoxSize(1)/2,
+ fGeom->GetAirFilledBoxSize(2)/2 );
+
+ // Crystals Box
+
+ Float_t xtlX = fGeom->GetCrystalSize(0) ;
+ Float_t xtlY = fGeom->GetCrystalSize(1) ;
+ Float_t xtlZ = fGeom->GetCrystalSize(2) ;
+
+ Float_t xl = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
+ Float_t yl = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0
+ + fGeom->GetModuleBoxThickness() / 2.0 ;
+ Float_t zl = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
+
+ new TBRIK( "CrystalsBox", "PHOS crystals box", "void", xl, yl, zl ) ;
+
+// position PHOS into ALICE
+
+ Float_t r = fGeom->GetIPtoOuterCoverDistance() + fGeom->GetOuterBoxSize(1) / 2.0 ;
+ Int_t number = 988 ;
+ Float_t pphi = TMath::ATan( fGeom->GetOuterBoxSize(0) / ( 2.0 * fGeom->GetIPtoOuterCoverDistance() ) ) ;
+ pphi *= kRADDEG ;
+ TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
+
+ char * nodename = new char[20] ;
+ char * rotname = new char[20] ;
+
+ for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) {
+ Float_t angle = pphi * 2 * ( i - fGeom->GetNModules() / 2.0 - 0.5 ) ;
+ sprintf(rotname, "%s%d", "rot", number++) ;
+ new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
+ top->cd();
+ sprintf(nodename,"%s%d", "Module", i) ;
+ Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
+ Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
+ TNode * outerboxnode = new TNode(nodename, nodename, "OuterBox", x, y, 0, rotname ) ;
+ outerboxnode->SetLineColor(kColorPHOS) ;
+ fNodes->Add(outerboxnode) ;
+ outerboxnode->cd() ;
+ // now inside the outer box the textolit box
+ y = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ;
+ sprintf(nodename,"%s%d", "TexBox", i) ;
+ TNode * textolitboxnode = new TNode(nodename, nodename, "TextolitBox", 0, y, 0) ;
+ textolitboxnode->SetLineColor(kColorPHOS) ;
+ fNodes->Add(textolitboxnode) ;
+ // upper foam plate inside outre box
+ outerboxnode->cd() ;
+ sprintf(nodename, "%s%d", "UFPlate", i) ;
+ y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ;
+ TNode * upperfoamplatenode = new TNode(nodename, nodename, "UpperFoamPlate", 0, y, 0) ;
+ upperfoamplatenode->SetLineColor(kColorPHOS) ;
+ fNodes->Add(upperfoamplatenode) ;
+ // air filled box inside textolit box (not drawn)
+ textolitboxnode->cd();
+ y = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ;
+ sprintf(nodename, "%s%d", "AFBox", i) ;
+ TNode * airfilledboxnode = new TNode(nodename, nodename, "AirFilledBox", 0, y, 0) ;
+ fNodes->Add(airfilledboxnode) ;
+ // crystals box inside air filled box
+ airfilledboxnode->cd() ;
+ y = fGeom->GetAirFilledBoxSize(1) / 2.0 - yl
+ - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
+ - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ;
+ sprintf(nodename, "%s%d", "XTBox", i) ;
+ TNode * crystalsboxnode = new TNode(nodename, nodename, "CrystalsBox", 0, y, 0) ;
+ crystalsboxnode->SetLineColor(kColorXTAL) ;
+ fNodes->Add(crystalsboxnode) ;
+ }
+
+ delete[] rotname ;
+ delete[] nodename ;
}
+
+//____________________________________________________________________________
+void AliPHOSv0:: BuildGeometryforPPSD(void)
+{
+ // Build the PHOS-PPSD geometry for the ROOT display
+ //BEGIN_HTML
+ /*
+ <H2>
+ PPSD displayed by root
+ </H2>
+ <UL>
+ <LI> Zoom on PPSD: Front View
+ <P>
+ <CENTER>
+ <IMG Align=BOTTOM ALT="PPSD Front View" SRC="../images/AliPHOSv0PPSDFrontView.gif">
+ </CENTER></P></LI>
+ <LI> Zoom on PPSD: Perspective View
+ <P>
+ <CENTER>
+ <IMG Align=BOTTOM ALT="PPSD Prespective View" SRC="../images/AliPHOSv0PPSDPerspectiveView.gif">
+ </CENTER></P></LI>
+ </UL>
+ */
+ //END_HTML
+ Double_t const kRADDEG = 180.0 / kPI ;
+
+ const Int_t kColorPHOS = kRed ;
+ const Int_t kColorPPSD = kGreen ;
+ const Int_t kColorGas = kBlue ;
+ const Int_t kColorAir = kYellow ;
+
+ // Box for a full PHOS module
+
+ new TBRIK( "PPSDBox", "PPSD box", "void", fGeom->GetCPVBoxSize(0)/2,
+ fGeom->GetCPVBoxSize(1)/2,
+ fGeom->GetCPVBoxSize(2)/2 );
+
+ // Box containing one micromegas module
+
+ new TBRIK( "PPSDModule", "PPSD module", "void", fGeom->GetPPSDModuleSize(0)/2,
+ fGeom->GetPPSDModuleSize(1)/2,
+ fGeom->GetPPSDModuleSize(2)/2 );
+ // top lid
+
+ new TBRIK ( "TopLid", "Micromegas top lid", "void", fGeom->GetPPSDModuleSize(0)/2,
+ fGeom->GetLidThickness()/2,
+ fGeom->GetPPSDModuleSize(2)/2 ) ;
+ // composite panel (top and bottom)
+
+ new TBRIK ( "TopPanel", "Composite top panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
+ fGeom->GetCompositeThickness()/2,
+ ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
+
+ new TBRIK ( "BottomPanel", "Composite bottom panel", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
+ fGeom->GetCompositeThickness()/2,
+ ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
+ // gas gap (conversion and avalanche)
+
+ new TBRIK ( "GasGap", "gas gap", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
+ ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() )/2,
+ ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
+
+ // anode and cathode
+
+ new TBRIK ( "Anode", "Anode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
+ fGeom->GetAnodeThickness()/2,
+ ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
+
+ new TBRIK ( "Cathode", "Cathode", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
+ fGeom->GetCathodeThickness()/2,
+ ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
+ // PC
+
+ new TBRIK ( "PCBoard", "Printed Circuit", "void", ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() )/2,
+ fGeom->GetPCThickness()/2,
+ ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() )/2 ) ;
+ // Gap between Lead and top micromegas
+
+ new TBRIK ( "LeadToM", "Air Gap top", "void", fGeom->GetCPVBoxSize(0)/2,
+ fGeom->GetMicro1ToLeadGap()/2,
+ fGeom->GetCPVBoxSize(2)/2 ) ;
-//___________________________________________
-void AliPHOSv0::Init()
+// Gap between Lead and bottom micromegas
+
+ new TBRIK ( "MToLead", "Air Gap bottom", "void", fGeom->GetCPVBoxSize(0)/2,
+ fGeom->GetLeadToMicro2Gap()/2,
+ fGeom->GetCPVBoxSize(2)/2 ) ;
+ // Lead converter
+
+ new TBRIK ( "Lead", "Lead converter", "void", fGeom->GetCPVBoxSize(0)/2,
+ fGeom->GetLeadConverterThickness()/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->GetCPVBoxSize(1) / 2.0 ;
+ Int_t number = 988 ;
+ TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
+
+ 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+i) ;
+ new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
+ top->cd();
+ sprintf(nodename, "%s%d", "Moduleg", i) ;
+ Float_t x = r * TMath::Sin( angle / kRADDEG ) ;
+ Float_t y = -r * TMath::Cos( angle / kRADDEG ) ;
+ TNode * ppsdboxnode = new TNode(nodename , nodename ,"PPSDBox", x, y, 0, rotname ) ;
+ ppsdboxnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(ppsdboxnode) ;
+ ppsdboxnode->cd() ;
+ // inside the PPSD box:
+ // 1. fNumberOfModulesPhi x fNumberOfModulesZ top micromegas
+ 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->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->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) ;
+ fNodes->Add(micro1node) ;
+ // inside top micromegas
+ micro1node->cd() ;
+ // a. top lid
+ y = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ;
+ sprintf(nodename, "%s%d%d%d", "Lid", i, iphi, iz) ;
+ TNode * toplidnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ;
+ toplidnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(toplidnode) ;
+ // b. composite panel
+ y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
+ sprintf(nodename, "%s%d%d%d", "CompU", i, iphi, iz) ;
+ TNode * compupnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ;
+ compupnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(compupnode) ;
+ // c. anode
+ y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
+ sprintf(nodename, "%s%d%d%d", "Ano", i, iphi, iz) ;
+ TNode * anodenode = new TNode(nodename, nodename, "Anode", 0, y, 0) ;
+ anodenode->SetLineColor(kColorPHOS) ;
+ fNodes->Add(anodenode) ;
+ // d. gas
+ y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
+ sprintf(nodename, "%s%d%d%d", "GGap", i, iphi, iz) ;
+ TNode * ggapnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ;
+ ggapnode->SetLineColor(kColorGas) ;
+ fNodes->Add(ggapnode) ;
+ // f. cathode
+ y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
+ sprintf(nodename, "%s%d%d%d", "Cathode", i, iphi, iz) ;
+ TNode * cathodenode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ;
+ cathodenode->SetLineColor(kColorPHOS) ;
+ fNodes->Add(cathodenode) ;
+ // g. printed circuit
+ y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
+ sprintf(nodename, "%s%d%d%d", "PC", i, iphi, iz) ;
+ TNode * pcnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ;
+ pcnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(pcnode) ;
+ // h. composite panel
+ y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
+ sprintf(nodename, "%s%d%d%d", "CompDown", i, iphi, iz) ;
+ TNode * compdownnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ;
+ compdownnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(compdownnode) ;
+ z = z - fGeom->GetPPSDModuleSize(2) ;
+ ppsdboxnode->cd() ;
+ } // end of Z module loop
+ x = x - fGeom->GetPPSDModuleSize(0) ;
+ ppsdboxnode->cd() ;
+ } // end of phi module loop
+ }
+ // 2. air gap
+ ppsdboxnode->cd() ;
+ 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) ;
+ fNodes->Add(gapupnode) ;
+ // 3. lead converter
+ y = y - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ;
+ sprintf(nodename, "%s%d", "LeadC", i) ;
+ TNode * leadcnode = new TNode(nodename, nodename, "Lead", 0, y, 0) ;
+ leadcnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(leadcnode) ;
+ // 4. air gap
+ y = y - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ;
+ sprintf(nodename, "%s%d", "GapDown", i) ;
+ TNode * gapdownnode = new TNode(nodename, nodename, "MToLead", 0, y, 0) ;
+ gapdownnode->SetLineColor(kColorAir) ;
+ fNodes->Add(gapdownnode) ;
+ // 5. fNumberOfModulesPhi x fNumberOfModulesZ bottom micromegas
+ x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. - fGeom->GetPhiDisplacement() ;
+ {
+ for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) {
+ 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->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) ;
+ fNodes->Add(micro2node) ;
+ // inside bottom micromegas
+ micro2node->cd() ;
+ // a. top lid
+ y = ( fGeom->GetMicromegas2Thickness() - fGeom->GetLidThickness() ) / 2. ;
+ sprintf(nodename, "%s%d", "Lidb", i) ;
+ TNode * toplidbnode = new TNode(nodename, nodename, "TopLid", 0, y, 0) ;
+ toplidbnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(toplidbnode) ;
+ // b. composite panel
+ y = y - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
+ sprintf(nodename, "%s%d", "CompUb", i) ;
+ TNode * compupbnode = new TNode(nodename, nodename, "TopPanel", 0, y, 0) ;
+ compupbnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(compupbnode) ;
+ // c. anode
+ y = y - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
+ sprintf(nodename, "%s%d", "Anob", i) ;
+ TNode * anodebnode = new TNode(nodename, nodename, "Anode", 0, y, 0) ;
+ anodebnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(anodebnode) ;
+ // d. conversion gas
+ y = y - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
+ sprintf(nodename, "%s%d", "GGapb", i) ;
+ TNode * ggapbnode = new TNode(nodename, nodename, "GasGap", 0, y, 0) ;
+ ggapbnode->SetLineColor(kColorGas) ;
+ fNodes->Add(ggapbnode) ;
+ // f. cathode
+ y = y - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
+ sprintf(nodename, "%s%d", "Cathodeb", i) ;
+ TNode * cathodebnode = new TNode(nodename, nodename, "Cathode", 0, y, 0) ;
+ cathodebnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(cathodebnode) ;
+ // g. printed circuit
+ y = y - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
+ sprintf(nodename, "%s%d", "PCb", i) ;
+ TNode * pcbnode = new TNode(nodename, nodename, "PCBoard", 0, y, 0) ;
+ pcbnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(pcbnode) ;
+ // h. composite pane
+ y = y - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
+ sprintf(nodename, "%s%d", "CompDownb", i) ;
+ TNode * compdownbnode = new TNode(nodename, nodename, "BottomPanel", 0, y, 0) ;
+ compdownbnode->SetLineColor(kColorPPSD) ;
+ fNodes->Add(compdownbnode) ;
+ z = z - fGeom->GetPPSDModuleSize(2) ;
+ ppsdboxnode->cd() ;
+ } // end of Z module loop
+ x = x - fGeom->GetPPSDModuleSize(0) ;
+ ppsdboxnode->cd() ;
+ } // end of phi module loop
+ }
+ } // PHOS modules
+
+ delete[] rotname ;
+ delete[] nodename ;
+
+}
+
+//____________________________________________________________________________
+void AliPHOSv0:: BuildGeometryforCPV(void)
{
- fIdSens=gMC->VolId("PXTL");
+ // 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()
{
-// *** DEFINITION OF THE -0.25<y<0.25 TILTED GEOMETRY OF THE PHOS ***
-// ORIGIN : NICK VAN EIJNDHOVEN
-
- Float_t pphi;
- Float_t r, dptcb[3], dpair[3], dphos[3], dpucp[3], dpasp[3];
- Float_t dpxtl[3];
- Float_t yo;
- Int_t idrotm[99];
- Float_t xp1, yp1, xp2, yp2;
+ // Create the PHOS geometry for Geant
+
+ AliPHOSv0 *phostmp = (AliPHOSv0*)gAlice->GetModule("PHOS") ;
+
+ if ( phostmp == NULL ) {
- Int_t *idtmed = fIdtmed->GetArray()-699;
-
-// --- Dimensions of PbWO4 crystal ---
- const Float_t XTL_X=2.2;
- const Float_t XTL_Y=18.;
- const Float_t XTL_Z=2.2;
-// --- Tyvek wrapper thickness
- const Float_t PAP_THICK=0.01;
-// --- Polystyrene Foam Outer Cover dimensions ---
- const Float_t FOC_X=214.6;
- const Float_t FOC_Y=80.;
- const Float_t FOC_Z=260.;
-// --- Inner AIR volume dimensions ---
- const Float_t AIR_X=206.;
- const Float_t AIR_Y=66.;
- const Float_t AIR_Z=244.;
-// --- Tyvek Crystal Block dimensions ---
- const Float_t TCB_X=198.;
- const Float_t TCB_Y=25.;
- const Float_t TCB_Z=234.;
-// --- Upper Cooling Plate thickness ---
- const Float_t UCP_Y=0.06;
-// --- Al Support Plate thickness ---
- const Float_t ASP_Y=10.;
-//--- Distance from IP to Foam Outer Cover top plate (needs to be 447.) ---
- const Float_t FOC_R=467.;
-//--- Distance from IP to Crystal Block top Surface (needs to be 460.) ---
- const Float_t CBS_R=480.;
-
-// --- Dimensions of volumes ---
-
-
-// --- Define PHOS box volume, fill with Polystyrene foam ---
- dphos[0] = FOC_X/2.;
- dphos[1] = FOC_Y/2.;
- dphos[2] = FOC_Z/2.;
- gMC->Gsvolu("PHOS", "BOX ", idtmed[703], dphos, 3);
-
-// --- Define air-filled box, place inside PHOS ---
- dpair[0] = AIR_X/2.;
- dpair[1] = AIR_Y/2.;
- dpair[2] = AIR_Z/2.;
- gMC->Gsvolu("PAIR", "BOX ", idtmed[798], dpair, 3);
- gMC->Gspos("PAIR", 1, "PHOS", 0., 0., 0., 0, "ONLY");
-
-// --- Define Upper Cooling Panel ---
-// --- place it right behind upper foam plate ---
- dpucp[0] = TCB_X/2.;
- dpucp[1] = UCP_Y/2.;
- dpucp[2] = TCB_Z/2.;
- gMC->Gsvolu("PUCP", "BOX ", idtmed[701], dpucp, 3);
- yo = (AIR_Y-UCP_Y)/2.;
- gMC->Gspos("PUCP", 1, "PAIR", 0., yo, 0., 0, "ONLY");
-
-// --- Define Crystal Block, fill with Tyvek, position inside PAIR ---
- dptcb[0] = TCB_X/2.;
- dptcb[1] = TCB_Y/2.;
- dptcb[2] = TCB_Z/2.;
- gMC->Gsvolu("PTCB", "BOX ", idtmed[702], dptcb, 3);
-// --- Divide PTCB in X and Z directions --
- gMC->Gsdvn("PSEC", "PTCB", 11, 1);
- gMC->Gsdvn("PMOD", "PSEC", 13, 3);
- gMC->Gsdvn("PSTR", "PMOD", 8, 1);
- gMC->Gsdvn("PCEL", "PSTR", 8, 3);
- yo = (FOC_Y-TCB_Y)/2. -(CBS_R-FOC_R);
- gMC->Gspos("PTCB", 1, "PAIR", 0., yo, 0., 0, "ONLY");
-
-// --- Define PbWO4 crystal volume, place inside PCEL ---
- dpxtl[0] = XTL_X/2.;
- dpxtl[1] = XTL_Y/2.;
- dpxtl[2] = XTL_Z/2.;
- gMC->Gsvolu("PXTL", "BOX ", idtmed[699], dpxtl, 3);
- yo = (TCB_Y-XTL_Y)/2. - PAP_THICK;
- gMC->Gspos("PXTL", 1, "PCEL", 0., yo, 0., 0, "ONLY");
-
-// --- Define Al Support Plate, position it inside PAIR ---
-// --- right beneath PTCB ---
- dpasp[0] = AIR_X/2.;
- dpasp[1] = ASP_Y/2.;
- dpasp[2] = AIR_Z/2.;
- gMC->Gsvolu("PASP", "BOX ", idtmed[701], dpasp, 3);
- yo = (FOC_Y-ASP_Y)/2. - (CBS_R-FOC_R+TCB_Y);
- gMC->Gspos("PASP", 1, "PAIR", 0., yo, 0., 0, "ONLY");
-
-// --- Divide in X and Z direction (same way as PTCB) ---
- gMC->Gsdvn("PCMO", "PCSE", 13, 3);
- gMC->Gsdvn("PCST", "PCMO", 8, 1);
- gMC->Gsdvn("PCCE", "PCST", 8, 3);
-
-// --- Position various PHOS units in ALICE setup ---
-// --- PHOS itself first ---
- r = FOC_R+FOC_Y/2.;
- pphi = TMath::ATan(FOC_X/(2.*FOC_R));
- xp1 = -r * TMath::Sin(pphi * 3.);
- yp1 = -r * TMath::Cos(pphi * 3.);
- xp2 = -r * TMath::Sin(pphi);
- yp2 = -r * TMath::Cos(pphi);
- pphi *= 180/kPI;
- AliMatrix(idrotm[0], 90.,-3*pphi, 90., 90-3*pphi, 0., 0.);
- AliMatrix(idrotm[1], 90., -pphi, 90., 90-pphi, 0., 0.);
- AliMatrix(idrotm[2], 90., pphi, 90., 90+pphi, 0., 0.);
- AliMatrix(idrotm[3], 90., 3*pphi, 90., 90+3*pphi, 0., 0.);
- gMC->Gspos("PHOS", 1, "ALIC", xp1, yp1, 0., idrotm[0], "ONLY");
- gMC->Gspos("PHOS", 2, "ALIC", xp2, yp2, 0., idrotm[1], "ONLY");
- gMC->Gspos("PHOS", 3, "ALIC",-xp2, yp2, 0., idrotm[2], "ONLY");
- gMC->Gspos("PHOS", 4, "ALIC",-xp1, yp1, 0., idrotm[3], "ONLY");
-
-// --- Set modules seen without tree for drawings ---
- gMC->Gsatt("PMOD", "SEEN", -2);
- gMC->Gsatt("PCMO", "SEEN", -2);
+ fprintf(stderr, "PHOS detector not found!\n") ;
+ return;
+
+ }
+ // 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) ;
+
+ 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->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 ;
+
+ 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 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
+
}
+
+//____________________________________________________________________________
+void AliPHOSv0::CreateGeometryforPHOS()
+{
+ // Create the PHOS-EMC geometry for GEANT
+ //BEGIN_HTML
+ /*
+ <H2>
+ Geant3 geometry tree of PHOS-EMC in ALICE
+ </H2>
+ <P><CENTER>
+ <IMG Align=BOTTOM ALT="EMC geant tree" SRC="../images/EMCinAlice.gif">
+ </CENTER><P>
+ */
+ //END_HTML
+
+ // Get pointer to the array containing media indexes
+ Int_t *idtmed = fIdtmed->GetArray() - 699 ;
+
+ // ---
+ // --- Define PHOS box volume, fPUFPill with thermo insulating foam ---
+ // --- Foam Thermo Insulating outer cover dimensions ---
+ // --- Put it in bigbox = PHOS
+
+ Float_t dphos[3] ;
+ dphos[0] = fGeom->GetOuterBoxSize(0) / 2.0 ;
+ dphos[1] = fGeom->GetOuterBoxSize(1) / 2.0 ;
+ dphos[2] = fGeom->GetOuterBoxSize(2) / 2.0 ;
+
+ gMC->Gsvolu("EMCA", "BOX ", idtmed[706], dphos, 3) ;
+
+ Float_t yO = - fGeom->GetCPVBoxSize(1) / 2.0 ;
+
+ 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 ---
+ // --- Textolit Wall box dimentions ---
+
+
+ Float_t dptxw[3];
+ dptxw[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ;
+ dptxw[1] = fGeom->GetTextolitBoxSize(1) / 2.0 ;
+ dptxw[2] = fGeom->GetTextolitBoxSize(2) / 2.0 ;
+
+ gMC->Gsvolu("PTXW", "BOX ", idtmed[707], dptxw, 3);
+
+ yO = ( fGeom->GetOuterBoxThickness(1) - fGeom->GetUpperPlateThickness() ) / 2. ;
+
+ gMC->Gspos("PTXW", 1, "EMCA", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define Upper Polystyrene Foam Plate, place inside PTXW ---
+ // --- immediately below Foam Thermo Insulation Upper plate ---
+
+ // --- Upper Polystyrene Foam plate thickness ---
+
+ Float_t dpufp[3] ;
+ dpufp[0] = fGeom->GetTextolitBoxSize(0) / 2.0 ;
+ dpufp[1] = fGeom->GetSecondUpperPlateThickness() / 2. ;
+ dpufp[2] = fGeom->GetTextolitBoxSize(2) /2.0 ;
+
+ gMC->Gsvolu("PUFP", "BOX ", idtmed[703], dpufp, 3) ;
+
+ yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetSecondUpperPlateThickness() ) / 2.0 ;
+
+ gMC->Gspos("PUFP", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define air-filled box, place inside PTXW ---
+ // --- Inner AIR volume dimensions ---
+
+
+ Float_t dpair[3] ;
+ dpair[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
+ dpair[1] = fGeom->GetAirFilledBoxSize(1) / 2.0 ;
+ dpair[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
+
+ gMC->Gsvolu("PAIR", "BOX ", idtmed[798], dpair, 3) ;
+
+ yO = ( fGeom->GetTextolitBoxSize(1) - fGeom->GetAirFilledBoxSize(1) ) / 2.0 - fGeom->GetSecondUpperPlateThickness() ;
+
+ gMC->Gspos("PAIR", 1, "PTXW", 0.0, yO, 0.0, 0, "ONLY") ;
+
+// --- Dimensions of PbWO4 crystal ---
+
+ Float_t xtlX = fGeom->GetCrystalSize(0) ;
+ Float_t xtlY = fGeom->GetCrystalSize(1) ;
+ Float_t xtlZ = fGeom->GetCrystalSize(2) ;
+
+ Float_t dptcb[3] ;
+ dptcb[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
+ dptcb[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0
+ + fGeom->GetModuleBoxThickness() / 2.0 ;
+ dptcb[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 + fGeom->GetModuleBoxThickness() ;
+
+ gMC->Gsvolu("PTCB", "BOX ", idtmed[706], dptcb, 3) ;
+
+ yO = fGeom->GetAirFilledBoxSize(1) / 2.0 - dptcb[1]
+ - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
+ - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() ) ;
+
+ gMC->Gspos("PTCB", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define Crystal BLock filled with air, position it inside PTCB ---
+ Float_t dpcbl[3] ;
+
+ dpcbl[0] = fGeom->GetNPhi() * ( xtlX + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ;
+ dpcbl[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
+ dpcbl[2] = fGeom->GetNZ() * ( xtlZ + 2 * fGeom->GetGapBetweenCrystals() ) / 2.0 ;
+
+ gMC->Gsvolu("PCBL", "BOX ", idtmed[798], dpcbl, 3) ;
+
+ // --- Divide PCBL in X (phi) and Z directions --
+ gMC->Gsdvn("PROW", "PCBL", Int_t (fGeom->GetNPhi()), 1) ;
+ gMC->Gsdvn("PCEL", "PROW", Int_t (fGeom->GetNZ()), 3) ;
+
+ yO = -fGeom->GetModuleBoxThickness() / 2.0 ;
+
+ gMC->Gspos("PCBL", 1, "PTCB", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define STeel (actually, it's titanium) Cover volume, place inside PCEL
+ Float_t dpstc[3] ;
+
+ dpstc[0] = ( xtlX + 2 * fGeom->GetCrystalWrapThickness() ) / 2.0 ;
+ dpstc[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
+ dpstc[2] = ( xtlZ + 2 * fGeom->GetCrystalWrapThickness() + 2 * fGeom->GetCrystalHolderThickness() ) / 2.0 ;
+
+ gMC->Gsvolu("PSTC", "BOX ", idtmed[704], dpstc, 3) ;
+
+ gMC->Gspos("PSTC", 1, "PCEL", 0.0, 0.0, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define Tyvek volume, place inside PSTC ---
+ Float_t dppap[3] ;
+
+ dppap[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ;
+ dppap[1] = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ;
+ dppap[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ;
+
+ gMC->Gsvolu("PPAP", "BOX ", idtmed[702], dppap, 3) ;
+
+ yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0
+ - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() + fGeom->GetCrystalHolderThickness() ) / 2.0 ;
+
+ gMC->Gspos("PPAP", 1, "PSTC", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define PbWO4 crystal volume, place inside PPAP ---
+ Float_t dpxtl[3] ;
+
+ dpxtl[0] = xtlX / 2.0 ;
+ dpxtl[1] = xtlY / 2.0 ;
+ dpxtl[2] = xtlZ / 2.0 ;
+
+ gMC->Gsvolu("PXTL", "BOX ", idtmed[699], dpxtl, 3) ;
+
+ yO = ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 - xtlY / 2.0 - fGeom->GetCrystalWrapThickness() ;
+
+ gMC->Gspos("PXTL", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define crystal support volume, place inside PPAP ---
+ Float_t dpsup[3] ;
+
+ dpsup[0] = xtlX / 2.0 + fGeom->GetCrystalWrapThickness() ;
+ dpsup[1] = fGeom->GetCrystalSupportHeight() / 2.0 ;
+ dpsup[2] = xtlZ / 2.0 + fGeom->GetCrystalWrapThickness() ;
+
+ gMC->Gsvolu("PSUP", "BOX ", idtmed[798], dpsup, 3) ;
+
+ yO = fGeom->GetCrystalSupportHeight() / 2.0 - ( xtlY + fGeom->GetCrystalSupportHeight() + fGeom->GetCrystalWrapThickness() ) / 2.0 ;
+
+ gMC->Gspos("PSUP", 1, "PPAP", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define PIN-diode volume and position it inside crystal support ---
+ // --- right behind PbWO4 crystal
+
+ // --- PIN-diode dimensions ---
+
-//___________________________________________
-void AliPHOSv0::CreateMaterials()
+ Float_t dppin[3] ;
+ dppin[0] = fGeom->GetPinDiodeSize(0) / 2.0 ;
+ dppin[1] = fGeom->GetPinDiodeSize(1) / 2.0 ;
+ dppin[2] = fGeom->GetPinDiodeSize(2) / 2.0 ;
+
+ gMC->Gsvolu("PPIN", "BOX ", idtmed[705], dppin, 3) ;
+
+ yO = fGeom->GetCrystalSupportHeight() / 2.0 - fGeom->GetPinDiodeSize(1) / 2.0 ;
+
+ gMC->Gspos("PPIN", 1, "PSUP", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define Upper Cooling Panel, place it on top of PTCB ---
+ Float_t dpucp[3] ;
+ // --- Upper Cooling Plate thickness ---
+
+ dpucp[0] = dptcb[0] ;
+ dpucp[1] = fGeom->GetUpperCoolingPlateThickness() ;
+ dpucp[2] = dptcb[2] ;
+
+ gMC->Gsvolu("PUCP", "BOX ", idtmed[701], dpucp,3) ;
+
+ yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetUpperCoolingPlateThickness() ) / 2.
+ - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetModuleBoxThickness()
+ - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() - fGeom->GetUpperCoolingPlateThickness() ) ;
+
+ gMC->Gspos("PUCP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define Al Support Plate, position it inside PAIR ---
+ // --- right beneath PTCB ---
+ // --- Al Support Plate thickness ---
+
+ Float_t dpasp[3] ;
+ dpasp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
+ dpasp[1] = fGeom->GetSupportPlateThickness() / 2.0 ;
+ dpasp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
+
+ gMC->Gsvolu("PASP", "BOX ", idtmed[701], dpasp, 3) ;
+
+ yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetSupportPlateThickness() ) / 2.
+ - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance()
+ - fGeom->GetUpperPlateThickness() - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 ) ;
+
+ gMC->Gspos("PASP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define Thermo Insulating Plate, position it inside PAIR ---
+ // --- right beneath PASP ---
+ // --- Lower Thermo Insulating Plate thickness ---
+
+ Float_t dptip[3] ;
+ dptip[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
+ dptip[1] = fGeom->GetLowerThermoPlateThickness() / 2.0 ;
+ dptip[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
+
+ gMC->Gsvolu("PTIP", "BOX ", idtmed[706], dptip, 3) ;
+
+ yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerThermoPlateThickness() ) / 2.
+ - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness()
+ - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness() ) ;
+
+ gMC->Gspos("PTIP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
+
+ // ---
+ // --- Define Textolit Plate, position it inside PAIR ---
+ // --- right beneath PTIP ---
+ // --- Lower Textolit Plate thickness ---
+
+ Float_t dptxp[3] ;
+ dptxp[0] = fGeom->GetAirFilledBoxSize(0) / 2.0 ;
+ dptxp[1] = fGeom->GetLowerTextolitPlateThickness() / 2.0 ;
+ dptxp[2] = fGeom->GetAirFilledBoxSize(2) / 2.0 ;
+
+ gMC->Gsvolu("PTXP", "BOX ", idtmed[707], dptxp, 3) ;
+
+ yO = ( fGeom->GetAirFilledBoxSize(1) - fGeom->GetLowerTextolitPlateThickness() ) / 2.
+ - ( fGeom->GetIPtoCrystalSurface() - fGeom->GetIPtoOuterCoverDistance() - fGeom->GetUpperPlateThickness()
+ - fGeom->GetSecondUpperPlateThickness() + dpcbl[1] * 2 + fGeom->GetSupportPlateThickness()
+ + fGeom->GetLowerThermoPlateThickness() ) ;
+
+ gMC->Gspos("PTXP", 1, "PAIR", 0.0, yO, 0.0, 0, "ONLY") ;
+
+}
+
+//____________________________________________________________________________
+void AliPHOSv0::CreateGeometryforPPSD()
{
-// *** DEFINITION OF AVAILABLE PHOS MATERIALS ***
-// ORIGIN : NICK VAN EIJNDHOVEN
+ // Create the PHOS-PPSD geometry for GEANT
+ //BEGIN_HTML
+ /*
+ <H2>
+ Geant3 geometry tree of PHOS-PPSD in ALICE
+ </H2>
+ <P><CENTER>
+ <IMG Align=BOTTOM ALT="PPSD geant tree" SRC="../images/PPSDinAlice.gif">
+ </CENTER><P>
+ */
+ //END_HTML
- Int_t ISXFLD = gAlice->Field()->Integ();
- Float_t SXMGMX = gAlice->Field()->Max();
-
-// --- The PbWO4 crystals ---
- Float_t ax[3] = { 207.19,183.85,16. };
- Float_t zx[3] = { 82.,74.,8. };
- Float_t wx[3] = { 1.,1.,4. };
- Float_t dx = 8.28;
-// --- The polysterene scintillator (CH) ---
- Float_t ap[2] = { 12.011,1.00794 };
- Float_t zp[2] = { 6.,1. };
- Float_t wp[2] = { 1.,1. };
- Float_t dp = 1.032;
-// --- Tyvek (CnH2n)
- Float_t at[2] = { 12.011,1.00794 };
- Float_t zt[2] = { 6.,1. };
- Float_t wt[2] = { 1.,2. };
- Float_t dt = .331;
-// --- Polystyrene foam ---
- Float_t af[2] = { 12.011,1.00794 };
- Float_t zf[2] = { 6.,1. };
- Float_t wf[2] = { 1.,1. };
- Float_t df = .3;
-
- Int_t *idtmed = fIdtmed->GetArray()-699;
+ // Get pointer to the array containing media indexes
+ Int_t *idtmed = fIdtmed->GetArray() - 699 ;
+
+ // The box containing all ppsd's for one PHOS module filled with air
+ Float_t ppsd[3] ;
+ 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 ;
+
+ 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)
+
+ Float_t mppsd[3] ;
+ mppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ;
+ mppsd[1] = fGeom->GetPPSDModuleSize(1) / 2.0 ;
+ mppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ;
+
+ gMC->Gsvolu("MPPS", "BOX ", idtmed[708], mppsd, 3) ;
+
+ // Inside mppsd :
+ // 1. The Top Lid made of epoxy (FR4)
+
+ Float_t tlppsd[3] ;
+ tlppsd[0] = fGeom->GetPPSDModuleSize(0) / 2.0 ;
+ tlppsd[1] = fGeom->GetLidThickness() / 2.0 ;
+ tlppsd[2] = fGeom->GetPPSDModuleSize(2) / 2.0 ;
+
+ gMC->Gsvolu("TLPS", "BOX ", idtmed[708], tlppsd, 3) ;
+
+ Float_t y0 = ( fGeom->GetMicromegas1Thickness() - fGeom->GetLidThickness() ) / 2. ;
+
+ gMC->Gspos("TLPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
+
+ // 2. the upper panel made of composite material
+
+ Float_t upppsd[3] ;
+ upppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+ upppsd[1] = fGeom->GetCompositeThickness() / 2.0 ;
+ upppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+
+ gMC->Gsvolu("UPPS", "BOX ", idtmed[709], upppsd, 3) ;
+
+ y0 = y0 - fGeom->GetLidThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
+
+ gMC->Gspos("UPPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
+
+ // 3. the anode made of Copper
+
+ Float_t anppsd[3] ;
+ anppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+ anppsd[1] = fGeom->GetAnodeThickness() / 2.0 ;
+ anppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+
+ gMC->Gsvolu("ANPS", "BOX ", idtmed[710], anppsd, 3) ;
+
+ y0 = y0 - fGeom->GetCompositeThickness() / 2. - fGeom->GetAnodeThickness() / 2. ;
+
+ gMC->Gspos("ANPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
+
+ // 4. the conversion gap + avalanche gap filled with gas
+
+ Float_t ggppsd[3] ;
+ ggppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+ ggppsd[1] = ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2.0 ;
+ ggppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+
+ gMC->Gsvolu("GGPS", "BOX ", idtmed[715], ggppsd, 3) ;
+
+ // --- Divide GGPP in X (phi) and Z directions --
+ gMC->Gsdvn("GROW", "GGPS", fGeom->GetNumberOfPadsPhi(), 1) ;
+ gMC->Gsdvn("GCEL", "GROW", fGeom->GetNumberOfPadsZ() , 3) ;
+
+ y0 = y0 - fGeom->GetAnodeThickness() / 2. - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. ;
+
+ gMC->Gspos("GGPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
+
+
+ // 6. the cathode made of Copper
+
+ Float_t cappsd[3] ;
+ cappsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+ cappsd[1] = fGeom->GetCathodeThickness() / 2.0 ;
+ cappsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+
+ gMC->Gsvolu("CAPS", "BOX ", idtmed[710], cappsd, 3) ;
+
+ y0 = y0 - ( fGeom->GetConversionGap() + fGeom->GetAvalancheGap() ) / 2. - fGeom->GetCathodeThickness() / 2. ;
+
+ gMC->Gspos("CAPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
+
+ // 7. the printed circuit made of G10
+
+ Float_t pcppsd[3] ;
+ pcppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2,.0 ;
+ pcppsd[1] = fGeom->GetPCThickness() / 2.0 ;
+ pcppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+
+ gMC->Gsvolu("PCPS", "BOX ", idtmed[711], cappsd, 3) ;
+
+ y0 = y0 - fGeom->GetCathodeThickness() / 2. - fGeom->GetPCThickness() / 2. ;
+
+ gMC->Gspos("PCPS", 1, "MPPS", 0.0, y0, 0.0, 0, "ONLY") ;
+
+ // 8. the lower panel made of composite material
+
+ Float_t lpppsd[3] ;
+ lpppsd[0] = ( fGeom->GetPPSDModuleSize(0) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+ lpppsd[1] = fGeom->GetCompositeThickness() / 2.0 ;
+ lpppsd[2] = ( fGeom->GetPPSDModuleSize(2) - fGeom->GetMicromegasWallThickness() ) / 2.0 ;
+
+ gMC->Gsvolu("LPPS", "BOX ", idtmed[709], lpppsd, 3) ;
+
+ y0 = y0 - fGeom->GetPCThickness() / 2. - fGeom->GetCompositeThickness() / 2. ;
+
+ gMC->Gspos("LPPS", 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->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->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->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") ;
+ gMC->Gspos("MPPS", ++copyNumberbot, "PPSD", x, yb, z, 0, "ONLY") ;
+ z = z - fGeom->GetPPSDModuleSize(2) ;
+ } // end of Z module loop
+ x = x - fGeom->GetPPSDModuleSize(0) ;
+ } // end of phi module loop
+
+ // The Lead converter between two air gaps
+ // 1. Upper air gap
+
+ Float_t uappsd[3] ;
+ uappsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
+ uappsd[1] = fGeom->GetMicro1ToLeadGap() / 2.0 ;
+ uappsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
+
+ gMC->Gsvolu("UAPPSD", "BOX ", idtmed[798], uappsd, 3) ;
+
+ 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->GetCPVBoxSize(0) / 2.0 ;
+ lcppsd[1] = fGeom->GetLeadConverterThickness() / 2.0 ;
+ lcppsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
+
+ gMC->Gsvolu("LCPPSD", "BOX ", idtmed[712], lcppsd, 3) ;
+
+ y0 = y0 - fGeom->GetMicro1ToLeadGap() / 2. - fGeom->GetLeadConverterThickness() / 2. ;
+
+ gMC->Gspos("LCPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
+
+ // 3. Lower air gap
+
+ Float_t lappsd[3] ;
+ lappsd[0] = fGeom->GetCPVBoxSize(0) / 2.0 ;
+ lappsd[1] = fGeom->GetLeadToMicro2Gap() / 2.0 ;
+ lappsd[2] = fGeom->GetCPVBoxSize(2) / 2.0 ;
+
+ gMC->Gsvolu("LAPPSD", "BOX ", idtmed[798], lappsd, 3) ;
- AliMixture( 0, "PbWO4$", ax, zx, dx, -3, wx);
- AliMixture( 1, "Polystyrene$", ap, zp, dp, -2, wp);
- AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999.);
-// --- Absorption length^ is ignored ---
- AliMixture( 3, "Tyvek$", at, zt, dt, -2, wt);
- AliMixture( 4, "Foam$", af, zf, df, -2, wf);
- AliMaterial(9, "Air$", 14.61, 7.3, .001205, 30420., 67500);
-
- AliMedium(0, "PHOS Xtal $", 0, 1, ISXFLD, SXMGMX, 10., .1, .1, .1, .1);
- AliMedium(2, "Al parts $", 2, 0, ISXFLD, SXMGMX, 10., .1, .1, .001, .001);
- AliMedium(3, "Tyvek wrapper$", 3, 0, ISXFLD, SXMGMX, 10., .1, .1, .001, .001);
- AliMedium(4, "Polyst. foam $", 4, 0, ISXFLD, SXMGMX, 10., .1, .1, .1, .1);
- AliMedium(99, "Air $", 9, 0, ISXFLD, SXMGMX, 10., 1., .1, .1, 10.);
-
-// --- Generate explicitly delta rays in aluminium parts ---
- gMC->Gstpar(idtmed[701], "LOSS", 3.);
- gMC->Gstpar(idtmed[701], "DRAY", 1.);
+ y0 = y0 - fGeom->GetLeadConverterThickness() / 2. - fGeom->GetLeadToMicro2Gap() / 2. ;
+
+ gMC->Gspos("LAPPSD", 1, "PPSD", 0.0, y0, 0.0, 0, "ONLY") ;
+
}
-void AliPHOSv0::StepManager()
+
+//____________________________________________________________________________
+void AliPHOSv0::CreateGeometryforCPV()
{
+ // 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>
+
+ <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>
+
+ <tr>
+ <td>One CPV module, perspective view </td>
+ <td>One CPV module, front view (extended in vertical direction) </td>
+ </tr>
+
+ <tr>
+ <td><img height=300 width=290 src="../images/CPVmodulePers.gif"></td>
+ <td><img height=300 width=290 src="../images/CPVmoduleSide.gif"></td>
+ </tr>
+
+ </table>
+
+ <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)
+
+ 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
+
+ par[1] = (fGeom->GetFTPosition(2) - fGeom->GetFTPosition(1) - fGeom->GetCPVTextoliteThickness()) / 2;
+ gMC->Gsvolu("CPVG","BOX ",idtmed[715],par,3);
- TClonesArray &lhits = *fHits;
- TLorentzVector p;
- Int_t copy, i;
- Int_t vol[5];
- Float_t hits[4];
- if(gMC->CurrentVolID(copy) == fIdSens) {
- //
- //We are in the sensitive volume
- for(i=0;i<4;i++) {
- gMC->CurrentVolOffID(i+1,copy);
- vol[4-i]=copy;
+ 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");
}
- gMC->CurrentVolOffID(7,copy);
- vol[0]=copy;
- gMC->TrackPosition(p);
- for(i=0;i<3;++i) hits[i]=p[i];
- hits[3]=gMC->Edep();
- new(lhits[fNhits++]) AliPHOShit(fIshunt,gAlice->CurrentTrack(),vol,hits);
}
+
+ // Dummy sensitive plane in the middle of argone gas volume
+
+ par[1]=0.001;
+ gMC->Gsvolu("CPVQ","BOX ",idtmed[715],par,3);
+ gMC->Gspos ("CPVQ",1,"CPVG",0,0,0,0,"ONLY");
+
+ // Cu+Ni foil covers textolite
+
+ 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");
+
+ // Aluminum frame around CPV
+
+ 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);
+
+ 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");
+ }
+
}
+
+
+//____________________________________________________________________________
+void AliPHOSv0::CreateGeometryforSupport()
+{
+ // 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;
+
+ // Get pointer to the array containing media indexes
+ Int_t *idtmed = fIdtmed->GetArray() - 699 ;
+
+ // --- Dummy box containing two rails on which PHOS support moves
+ // --- Put these rails to the bottom of the L3 magnet
+
+ 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
+
+ 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) ;
+
+ 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") ;
+ }
+
+ // --- Upper and bottom steel parts of the rail
+
+ 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) ;
+
+ 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") ;
+
+ // --- The middle vertical steel parts of the rail
+
+ 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) ;
+
+ y0 = - fGeom->GetRailPart3(1) / 2.0 ;
+ gMC->Gspos("PRP2", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
+
+ // --- The most upper steel parts of the rail
+
+ 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) ;
+
+ y0 = (fGeom->GetRailOuterSize(1) - fGeom->GetRailPart3(1)) / 2.0 ;
+ gMC->Gspos("PRP3", 1, "PRAI", 0.0, y0, 0.0, 0, "ONLY") ;
+
+ // --- The wall of the cradle
+ // --- The wall is empty: steel thin walls and air inside
+
+ 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) ;
+
+ 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") ;
+
+ 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") ;
+ }
+
+ // --- 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") ;
+ }
+ }
+
+}
+
+//____________________________________________________________________________
+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)
+{
+ // Just prints an information message
+
+ Int_t i;
+
+ printf("\n");
+ for(i=0;i<35;i++) printf("*");
+ printf(" PHOS_INIT ");
+ for(i=0;i<35;i++) printf("*");
+ printf("\n");
+
+ // Here the PHOS initialisation code (if any!)
+
+ 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");
+
+}
+