* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
+
//_________________________________________________________________________
-// Manager class for PHOS version SUBATECH
-//*-- Author : Y. Schutz SUBATECH
-//////////////////////////////////////////////////////////////////////////////
+// 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 "TBRIK.h"
#include "TNode.h"
#include "TRandom.h"
+#include "TGeometry.h"
+
// --- Standard library ---
-#include <cstdio>
-#include <cstring>
-#include <cstdlib>
-#include <strstream>
-#include <cassert>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <strstream.h>
// --- 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()
-{
- fNTmpHits = 0 ;
- fTmpHits = 0 ;
-}
-
//____________________________________________________________________________
AliPHOSv0::AliPHOSv0(const char *name, const char *title):
AliPHOS(name,title)
{
-
- // 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 ;
-
- fHits = new TClonesArray("AliPHOSHit",100) ;
- gAlice->AddHitList(fHits) ;
-
- fTmpHits= new TClonesArray("AliPHOSHit",100) ;
-
- fNTmpHits = fNhits = 0 ;
-
- fDigits = new TClonesArray("AliPHOSDigit",100) ;
-
-
- fIshunt = 1 ; // All hits are associated with primary particles
+ // 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
-
- 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)
-{
-
- // 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 ;
- fHits = new TClonesArray("AliPHOSHit",100) ;
- fDigits = new TClonesArray("AliPHOSDigit",100) ;
- fTmpHits= new TClonesArray("AliPHOSHit",100) ;
- fNTmpHits = fNhits = 0 ;
+ if (strcmp(GetTitle(),"") != 0 )
+ fGeom = AliPHOSGeometry::GetInstance(GetTitle(), "") ;
- 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 ;
-
- // Defining the PHOS Reconstructioner
-
- fReconstructioner = Reconstructioner ;
-}
-
-//____________________________________________________________________________
-AliPHOSv0::~AliPHOSv0()
-{
- fTmpHits->Delete() ;
- delete fTmpHits ;
- fTmpHits = 0 ;
-
- fEmcClusters->Delete() ;
- delete fEmcClusters ;
- fEmcClusters = 0 ;
-
- fPpsdClusters->Delete() ;
- delete fPpsdClusters ;
- fPpsdClusters = 0 ;
-
- fTrackSegments->Delete() ;
- delete fTrackSegments ;
- fTrackSegments = 0 ;
}
-//____________________________________________________________________________
-void AliPHOSv0::AddHit(Int_t track, Int_t Id, Float_t * hits)
-{
- Int_t hitCounter ;
- TClonesArray <mphits = *fTmpHits ;
- AliPHOSHit *newHit ;
- AliPHOSHit *curHit ;
- Bool_t deja = false ;
-
- // In any case, fills the fTmpHit TClonesArray (with "accumulated hits")
-
- newHit = new AliPHOSHit(fIshunt, track, Id, hits) ;
-
- for ( hitCounter = 0 ; hitCounter < fNTmpHits && !deja ; hitCounter++ ) {
- curHit = (AliPHOSHit*) ltmphits[hitCounter] ;
- if( *curHit == *newHit ) {
- *curHit = *curHit + *newHit ;
- deja = true ;
- }
- }
-
- if ( !deja ) {
- new(ltmphits[fNTmpHits]) AliPHOSHit(*newHit) ;
- fNTmpHits++ ;
- }
-
- // 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).
-
- // if (IsTreeSelected('H')) {
- // And, if we really want raw hits tree, have the fHits array filled also
- // TClonesArray &lhits = *fHits;
- // new(lhits[fNhits]) AliPHOSHit(*newHit) ;
- // fNhits++ ;
- // }
-
- delete newHit;
-
-}
-
-
//____________________________________________________________________________
void AliPHOSv0::BuildGeometry()
{
+ // 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 ) )
+ 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;
}
//____________________________________________________________________________
void AliPHOSv0:: BuildGeometryforPHOS(void)
{
- // Build the PHOS geometry for the ROOT display
+ // Build the PHOS-EMC geometry for the ROOT display
const Int_t kColorPHOS = kRed ;
const Int_t kColorXTAL = kBlue ;
crystalsboxnode->SetLineColor(kColorXTAL) ;
fNodes->Add(crystalsboxnode) ;
}
+
+ delete[] rotname ;
+ delete[] nodename ;
}
//____________________________________________________________________________
void AliPHOSv0:: BuildGeometryforPPSD(void)
{
- // Build the PPSD geometry for the ROOT display
-
+ // 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 ;
// 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. ;
- 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. ;
- 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. ;
- 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) ;
+ 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) ;
+ 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 Z module loop
- x = x - fGeom->GetPPSDModuleSize(0) ;
- ppsdboxnode->cd() ;
- } // end of phi module loop
+ } // end of phi module loop
+ }
// 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() ;
- for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) {
- Float_t z = ( fGeom->GetPPSDBoxSize(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. ;
- 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() ;
+ 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) ;
} // end of Z module loop
x = x - fGeom->GetPPSDModuleSize(0) ;
ppsdboxnode->cd() ;
- } // end of phi module loop
- } // PHOS modules
- delete rotname ;
- delete nodename ;
+ } // end of phi module loop
+ }
+ } // PHOS modules
+
+ delete[] rotname ;
+ delete[] nodename ;
+
+}
+
+//____________________________________________________________________________
+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()
{
+ // Create the PHOS geometry for Geant
AliPHOSv0 *phostmp = (AliPHOSv0*)gAlice->GetModule("PHOS") ;
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->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
+
}
//____________________________________________________________________________
void AliPHOSv0::CreateGeometryforPHOS()
{
- // Get pointer to the array containing media indeces
+ // 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 ;
// ---
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()
{
- // Get pointer to the array containing media indeces
+ // 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
+
+ // 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->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){
- Float_t fB = 100000000. ;
- Float_t fA = 0. ;
- Int_t chan = Int_t(fA + Energy*fB ) ;
- return chan ;
-}
-//___________________________________________________________________________
-void AliPHOSv0::FinishEvent()
+
+//____________________________________________________________________________
+void AliPHOSv0::CreateGeometryforCPV()
{
- cout << "//_____________________________________________________" << endl ;
- cout << "<I> AliPHOSv0::FinishEvent() -- Starting digitalization" << endl ;
- Int_t i ;
- TClonesArray &lDigits = *fDigits ;
- AliPHOSHit * hit ;
- AliPHOSDigit * digit ;
-
- for ( i = 0 ; i < fNTmpHits ; i++ ) {
- hit = (AliPHOSHit*)fTmpHits->At(i) ;
- digit = new AliPHOSDigit(hit->GetId(),Digitize(hit->GetEnergy())) ;
- new(lDigits[fNdigits]) AliPHOSDigit(* digit) ;
- fNdigits++; delete digit ;
- }
- Float_t energyandnoise ;
- for ( i = 0 ; i < fNdigits ; i++ ) {
- digit = (AliPHOSDigit * ) fDigits->At(i) ;
- // printf("GetId is %d and GetAmp is %d \n",digit->GetId(), digit->GetAmp()) ;
- energyandnoise = digit->GetAmp() + Digitize(gRandom->Gaus(0.,fPINElectronicNoise)) ;
- if (energyandnoise < 0 ) energyandnoise = 0 ;
- digit->SetAmp(energyandnoise);
- // printf("GetId is %d and GetAmp is %d \n",digit->GetId(), digit->GetAmp()) ;
-
+ // 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);
+
+ 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");
+ }
}
+ // 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");
+ }
- // Reset the array of all the "accumulated hits" of this event.
- fNTmpHits = 0 ;
- fTmpHits->Delete();
}
+
//____________________________________________________________________________
-void AliPHOSv0::Init(void)
+void AliPHOSv0::CreateGeometryforSupport()
{
-
- Int_t i;
+ // 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;
- printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" PHOS_INIT ");
- for(i=0;i<35;i++) printf("*");
- printf("\n");
+ // Get pointer to the array containing media indexes
+ Int_t *idtmed = fIdtmed->GetArray() - 699 ;
- // Here the PHOS initialisation code (if any!)
+ // --- Dummy box containing two rails on which PHOS support moves
+ // --- Put these rails to the bottom of the L3 magnet
- for(i=0;i<80;i++) printf("*");
- printf("\n");
-
-}
+ 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) ;
-//___________________________________________________________________________
-void AliPHOSv0::MakeBranch(Option_t* opt)
-{
- //
- // Create a new branch in the current Root Tree
- // The branch of fHits is automatically split
- //
- AliDetector::MakeBranch(opt) ;
-
- char branchname[10];
- sprintf(branchname,"%s",GetName());
- char *cd = strstr(opt,"D");
-
- if (fDigits && gAlice->TreeD() && cd) {
- gAlice->TreeD()->Branch(branchname,&fDigits, fBufferSize);
- printf("* AliPHOS::MakeBranch * Making Branch %s for digits\n",branchname);
- }
-}
+ y0 = -(fGeom->GetRailsDistanceFromIP() - fGeom->GetRailRoadSize(1) / 2.0) ;
+ gMC->Gspos("PRRD", 1, "ALIC", 0.0, y0, 0.0, 0, "ONLY") ;
-//_____________________________________________________________________________
-void AliPHOSv0::Reconstruction(AliPHOSReconstructioner * Reconstructioner)
-{
- // reinitializes the existing RecPoint Lists and steers the reconstruction processes
+ // --- Dummy box containing one rail
- fReconstructioner = Reconstructioner ;
+ 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) ;
- if (fEmcClusters) {
- fEmcClusters->Delete() ;
- delete fEmcClusters ;
- fEmcClusters = 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") ;
}
- fEmcClusters= new RecPointsList("AliPHOSEmcRecPoint", 100) ;
-
- if (fPpsdClusters) {
- fPpsdClusters->Delete() ;
- delete fPpsdClusters ;
- fPpsdClusters = 0 ;
- }
- fPpsdClusters = new RecPointsList("AliPHOSPpsdRecPoint", 100) ;
- if (fTrackSegments) {
- fTrackSegments->Delete() ;
- delete fTrackSegments ;
- fTrackSegments = 0 ;
- }
- fTrackSegments = new TrackSegmentsList(100) ;
-
- if (fRecParticles) {
- fRecParticles->Delete() ;
- delete fRecParticles ;
- fRecParticles = 0 ;
+ // --- 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") ;
}
- fRecParticles = new RecParticlesList("AliPHOSRecParticle", 100) ;
- fReconstructioner->Make(fDigits, fEmcClusters, fPpsdClusters, fTrackSegments, fRecParticles);
+ // --- 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::StepManager(void)
+Float_t AliPHOSv0::ZMin(void) const
{
- Int_t relid[4] ; // (box, layer, row, column) indices
- Float_t xyze[4] ; // position wrt MRS and energy deposited
- TLorentzVector pos ;
- Int_t copy;
+ // Overall dimension of the PHOS (min)
+ // Take it twice more than the PHOS module size
+ return -fGeom->GetOuterBoxSize(2);
+}
- TString name = fGeom->GetName() ;
+//____________________________________________________________________________
+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);
+}
- if ( name == "GPS2" ) { // the CPV is a PPSD
- if( gMC->CurrentVolID(copy) == gMC->VolId("GCEL") )
- // if( strcmp ( gMC->CurrentVolName(), "GCEL" ) == 0 ) // 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(gAlice->CurrentTrack(), absid, xyze);
-
- } // there is deposited energy
- } // We are inside the gas of the CPV
- } // GPS2 configuration
+//____________________________________________________________________________
+void AliPHOSv0::Init(void)
+{
+ // Just prints an information message
- if(gMC->CurrentVolID(copy) == gMC->VolId("PXTL") )
- // if( strcmp ( gMC->CurrentVolName(), "PXTL" ) == 0 ) { // We are inside a PWO 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 PW04
- 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
+ Int_t i;
- AddHit(gAlice->CurrentTrack(), absid, xyze);
-
- } // there is deposited energy
- } // we are inside a PHOS Xtal
+ 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");
+
}