//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
cout << "AliPHOSv0::BuildGeometry : no charged particle identification system installed" << endl;
// 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") ;
ppsdboxnode->cd() ;
// inside the PPSD box:
// 1. fNumberOfModulesPhi x fNumberOfModulesZ top micromegas
- x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
+ x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. ;
{
for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) { // the number of micromegas modules in phi per PHOS module
- Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
+ Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. ;
TNode * micro1node ;
for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) { // the number of micromegas modules in z per PHOS module
- y = ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
+ y = ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas1Thickness() ) / 2. ;
sprintf(nodename, "%s%d%d%d", "Mic1", i, iphi, iz) ;
micro1node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ;
micro1node->SetLineColor(kColorPPSD) ;
}
// 2. air gap
ppsdboxnode->cd() ;
- y = ( fGeom->GetPPSDBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
+ y = ( fGeom->GetCPVBoxSize(1) - 2 * fGeom->GetMicromegas1Thickness() - fGeom->GetMicro1ToLeadGap() ) / 2. ;
sprintf(nodename, "%s%d", "GapUp", i) ;
TNode * gapupnode = new TNode(nodename, nodename, "LeadToM", 0, y, 0) ;
gapupnode->SetLineColor(kColorAir) ;
gapdownnode->SetLineColor(kColorAir) ;
fNodes->Add(gapdownnode) ;
// 5. fNumberOfModulesPhi x fNumberOfModulesZ bottom micromegas
- x = ( fGeom->GetPPSDBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. - fGeom->GetPhiDisplacement() ;
+ x = ( fGeom->GetCPVBoxSize(0) - fGeom->GetPPSDModuleSize(0) ) / 2. - fGeom->GetPhiDisplacement() ;
{
for ( Int_t iphi = 1; iphi <= fGeom->GetNumberOfModulesPhi(); iphi++ ) {
- Float_t z = ( fGeom->GetPPSDBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. - fGeom->GetZDisplacement() ;;
+ Float_t z = ( fGeom->GetCPVBoxSize(2) - fGeom->GetPPSDModuleSize(2) ) / 2. - fGeom->GetZDisplacement() ;;
TNode * micro2node ;
for ( Int_t iz = 1; iz <= fGeom->GetNumberOfModulesZ(); iz++ ) {
- y = - ( fGeom->GetPPSDBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
+ y = - ( fGeom->GetCPVBoxSize(1) - fGeom->GetMicromegas2Thickness() ) / 2. ;
sprintf(nodename, "%s%d%d%d", "Mic2", i, iphi, iz) ;
micro2node = new TNode(nodename, nodename, "PPSDModule", x, y, z) ;
micro2node->SetLineColor(kColorPPSD) ;
}
+//____________________________________________________________________________
+void AliPHOSv0:: BuildGeometryforCPV(void)
+{
+ // Build the PHOS-CPV geometry for the ROOT display
+ // Author: Yuri Kharlov 11 September 2000
+ //
+ //BEGIN_HTML
+ /*
+ <H2>
+ CPV displayed by root
+ </H2>
+ <table width=700>
+
+ <tr>
+ <td>CPV perspective view</td>
+ <td>CPV front view </td>
+ </tr>
+
+ <tr>
+ <td> <img height=300 width=290 src="../images/CPVRootPersp.gif"> </td>
+ <td> <img height=300 width=290 src="../images/CPVRootFront.gif"> </td>
+ </tr>
+
+ </table>
+
+ */
+ //END_HTML
+
+ const Double_t kRADDEG = 180.0 / kPI ;
+ const Int_t kColorCPV = kGreen ;
+ const Int_t kColorFrame = kYellow ;
+ const Int_t kColorGassiplex = kRed;
+ const Int_t kColorPCB = kCyan;
+
+ // Box for a full PHOS module
+
+ new TBRIK ("CPVBox", "CPV box", "void", fGeom->GetCPVBoxSize(0)/2,
+ fGeom->GetCPVBoxSize(1)/2,
+ fGeom->GetCPVBoxSize(2)/2 );
+ new TBRIK ("CPVFrameLR", "CPV frame Left-Right", "void", fGeom->GetCPVFrameSize(0)/2,
+ fGeom->GetCPVFrameSize(1)/2,
+ fGeom->GetCPVBoxSize(2)/2 );
+ new TBRIK ("CPVFrameUD", "CPV frame Up-Down", "void", fGeom->GetCPVBoxSize(0)/2 - fGeom->GetCPVFrameSize(0),
+ fGeom->GetCPVFrameSize(1)/2,
+ fGeom->GetCPVFrameSize(2)/2);
+ new TBRIK ("CPVPCB", "CPV PCB", "void", fGeom->GetCPVActiveSize(0)/2,
+ fGeom->GetCPVTextoliteThickness()/2,
+ fGeom->GetCPVActiveSize(1)/2);
+ new TBRIK ("CPVGassiplex", "CPV Gassiplex PCB", "void", fGeom->GetGassiplexChipSize(0)/2,
+ fGeom->GetGassiplexChipSize(1)/2,
+ fGeom->GetGassiplexChipSize(2)/2);
+
+ // position CPV into ALICE
+
+ char * nodename = new char[25] ;
+ char * rotname = new char[25] ;
+
+ Float_t r = fGeom->GetIPtoCPVDistance() + fGeom->GetCPVBoxSize(1) / 2.0 ;
+ Int_t number = 988 ;
+ TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
+ for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) { // the number of PHOS modules
+
+ // One CPV module
+
+ Float_t angle = fGeom->GetPHOSAngle(i) ;
+ sprintf(rotname, "%s%d", "rotg", number++) ;
+ 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
+ for (Int_t 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 (Int_t 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()
{
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) ;
this->CreateGeometryforPHOS() ;
- if ( strcmp( fGeom->GetName(), "GPS2") == 0 )
+ if ( strcmp( fGeom->GetName(), "GPS2") == 0 )
this->CreateGeometryforPPSD() ;
+ else if ( strcmp( fGeom->GetName(), "IHEP") == 0 )
+ this->CreateGeometryforCPV() ;
else
cout << "AliPHOSv0::CreateGeometry : no charged particle identification system installed" << endl;
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 yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
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") ;
// 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) ;
// 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) ;
}
+//____________________________________________________________________________
+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);
+
+ 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");
+ }
+
+}
+
+
//____________________________________________________________________________
void AliPHOSv0::Init(void)
{
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff