X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=EMCAL%2FAliEMCALv0.cxx;h=edcdf213e91011f28c69d39ca62acce39ae64180;hb=c13b5a7c88732c7f98d22f8bfd4aadc45c0f6dcd;hp=c3584b008917a5eb90cdf60a2bbf6de813eda85a;hpb=70479d0eaf6647221605280c1c435802bb47bfb8;p=u%2Fmrichter%2FAliRoot.git diff --git a/EMCAL/AliEMCALv0.cxx b/EMCAL/AliEMCALv0.cxx index c3584b00891..edcdf213e91 100644 --- a/EMCAL/AliEMCALv0.cxx +++ b/EMCAL/AliEMCALv0.cxx @@ -50,7 +50,6 @@ #include "AliEMCALGeometry.h" #include "AliConst.h" #include "AliRun.h" -#include "AliMC.h" ClassImp(AliEMCALv0) @@ -93,8 +92,39 @@ void AliEMCALv0::BuildGeometry() //______________________________________________________________________ void AliEMCALv0::CreateGeometry() { - // Create the EMCAL geometry for Geant - + // Create the EMCAL geometry for Geant + // Geometry of a tower + //|-----------------------------------------------------| XEN1 + //| | | | + //| | Al thickness = GetAlFrontThickness() | | + //| | | | + //| | | | + //| | | | + //| ------------------------------------------------- | + //| | Air Gap = GetGap2Active() | | + //| | | | + //| ------------------------------------------------- | + //| | XU0 : XPST (PreShower e = GetPreSintThick() )| | + //| ------------------------------------------------- | + //| | XU0 : XPBX (PreShower e = GetPbRadThick() ) | | + //| ------------------------------------------------- | + //| | XU0 : XPST (PreShower e = GetPreSintThick() )| | + //| ------------------------------------------------- | + //| | XU0 : XPBX (PreShower e = GetPbRadThick() ) | | + //| ------------------------------------------------- | + //| | XU1 : XPST (Tower e = GetFullSintThick() ) | | + //| ------------------------------------------------- | + //| | XU1 : XPBX (Tower e = GetPbRadThick() ) | | + //| ------------------------------------------------- | + //| | XU1 : XPST (Tower e = GetFullSintThick() | | + //| ------------------------------------------------- | + //| | XU1 : XPBX (Tower e = GetPbRadThick() ) | | + //| ------------------------------------------------- | + //| etc ..... | + //| ------------------------------------------------- | + //| | XU10 : XPST (Tower e = GetFullSintThick() ) | | + //|-----------------------------------------------------| + Float_t etamin,etamax; Float_t *dum=0; @@ -107,101 +137,149 @@ void AliEMCALv0::CreateGeometry() // Get pointer to the array containing media indices Int_t *idtmed = fIdtmed->GetArray() - 1599 ; - // Create an Envelope within which to place the Detector - Float_t envelopA[5]; - envelopA[0] = geom->GetEnvelop(0); // rmin - envelopA[1] = geom->GetEnvelop(1); // rmax - envelopA[2] = geom->GetEnvelop(2)/2.0; // dz - envelopA[3] = geom->GetArm1PhiMin(); // minimun phi angle - envelopA[4] = geom->GetArm1PhiMax(); // maximun phi angle - - // create XEN1 - gMC->Gsvolu("XEN1", "TUBS ", idtmed[1599], envelopA, 5) ; //filled with air Int_t idrotm = 1; AliMatrix(idrotm, 90.0, 0., 90.0, 90.0, 0.0, 0.0) ; - // Position the EMCAL Mother Volume in Alice - gMC->Gspos("XEN1", 1, "ALIC", 0.0, 0.0, 0.0, idrotm, "ONLY") ; - // - TString label = "XU0"; + // Create the EMCAL Mother Volume (a polygone) within which to place the Detector and named XEN1 - //rmin Start mini envelopes after the aluminium layer - envelopA[0] = geom->GetEnvelop(0) + geom->GetGap2Active() + - geom->GetAlFrontThickness(); + Float_t envelopA[10]; + envelopA[0] = geom->GetArm1PhiMin(); // minimum phi angle + envelopA[1] = geom->GetArm1PhiMax() - geom->GetArm1PhiMin(); // angular range in phi + envelopA[2] = geom->GetNPhi(); // number of sections in phi + envelopA[3] = 2; // 2 z coordinates + envelopA[4] = geom->ZFromEtaR(geom->GetEnvelop(0), + geom->GetArm1EtaMin()); // z coordinate 1 + envelopA[5] = geom->GetEnvelop(0) ; // rmin at z1 + envelopA[6] = geom->GetEnvelop(1) ; // rmax at z1 + envelopA[7] = geom->ZFromEtaR(geom->GetEnvelop(0), + geom->GetArm1EtaMax()); // z coordinate 2 + envelopA[8] = envelopA[5] ; // radii are the same. + envelopA[9] = envelopA[6] ; // radii are the same. - //rmax larger for first two layers (preshower); - Float_t tseg = geom->GetPreSintThick()+geom->GetPbRadThick(); - envelopA[1] = envelopA[0] + 2.0*tseg; - envelopA[2] = geom->GetEnvelop(2)/2.0; // dz - envelopA[3] = geom->GetArm1PhiMin(); // minimun phi angle - envelopA[4] = geom->GetArm1PhiMax(); // maximun phi angle + gMC->Gsvolu("XEN1", "PGON ", idtmed[1599], envelopA, 10) ; // Polygone filled with air - //filled with air - gMC->Gsvolu(label.Data(), "TUBS ", idtmed[1599], envelopA, 5); + // Position the EMCAL Mother Volume (XEN1) in Alice (ALIC) + + gMC->Gspos("XEN1", 1, "ALIC", 0.0, 0.0, 0.0, idrotm, "ONLY") ; + + if (fDebug) + Info("CreateGeometry","rXEN1 = %f, %f\n", envelopA[5], envelopA[6]); + + // Create mini-envelopes which will contain the PreShower scintillator-Lead-scintillator-lead (XU0) + + TString label = "XU0"; - // Place XU0 in to XEN1 + envelopA[5] = envelopA[5] + geom->GetGap2Active() + + geom->GetAlFrontThickness(); // rmin at z1 + envelopA[4] = geom->ZFromEtaR(envelopA[5], + geom->GetArm1EtaMin()); // z coordinate 1 + envelopA[7] = geom->ZFromEtaR(envelopA[5], + geom->GetArm1EtaMax()); // z coordinate 2 + envelopA[6] = envelopA[5] + 2 * (geom->GetPreSintThick() + + geom->GetPbRadThick() ); // rmax at z1 + envelopA[8] = envelopA[5] ; // radii are the same. + envelopA[9] = envelopA[6] ; // radii are the same. + + gMC->Gsvolu(label.Data(), "PGON", idtmed[1599], envelopA, 10);// Polygone filled with air + + // Position XU0 in XEN1 + gMC->Gspos(label.Data(), 1, "XEN1", 0.0, 0.0, 0.0, idrotm, "ONLY"); - tseg = geom->GetFullSintThick()+geom->GetPbRadThick(); - for (int i = 1; i < ((geom->GetNLayers()-1)/2) + 1 ; i++ ){ + if (fDebug) + Info("CreateGeometry","rXU0 = %f, %f\n", envelopA[5], envelopA[6]); + + // Create mini-envelopes which will contain the Tower scintillator-Lead-scintillator-lead (XU1 -> XU9) + + Float_t tseg = geom->GetFullSintThick()+geom->GetPbRadThick(); // thickness of scintillator+Pb + + Int_t i ; + for (i = 1; i < ((geom->GetNLayers()-2)/2) + 1 ; i++ ){ label = "XU" ; label += i ; - envelopA[0] = envelopA[1]; //rmin - envelopA[1] = envelopA[0] + 2.0*tseg; //rmax + envelopA[5] = envelopA[6] ; // rmin at z1 + envelopA[4] = geom->ZFromEtaR(envelopA[5], + geom->GetArm1EtaMin()); // z coordinate 1 + envelopA[7] = geom->ZFromEtaR(envelopA[5], + geom->GetArm1EtaMax()); // z coordinate 2 + envelopA[6] = envelopA[5] + 2 * tseg ; // rmax at z1 + envelopA[8] = envelopA[5] ; // radii are the same. + envelopA[9] = envelopA[6] ; // radii are the same. + + gMC->Gsvolu(label.Data(), "PGON", idtmed[1599], envelopA, 10);// Polygone filled with air - //filled with air - gMC->Gsvolu(label.Data(), "TUBS ", idtmed[1599], envelopA, 5); + // Position XUi in XEN1 + gMC->Gspos(label.Data(), 1, "XEN1", 0.0, 0.0, 0.0, idrotm, "ONLY") ; - } // end i + if (fDebug) + Info("CreateGeometry","rXEN%d = %f, %f\n", i, envelopA[5], envelopA[6]); + + } // end i + + + // Create one mini-envelope which will contain the last Tower scintillator (XU(nlayers-1)/2) + + tseg = geom->GetFullSintThick() ; + label = "XU" ; + label += i ; + envelopA[5] = envelopA[6] ; // rmin at z1 + envelopA[4] = geom->ZFromEtaR(envelopA[5], + geom->GetArm1EtaMin()); // z coordinate 1 + envelopA[7] = geom->ZFromEtaR(envelopA[5], + geom->GetArm1EtaMax()); // z coordinate 2 + envelopA[6] = envelopA[5] + tseg ; // rmax at z1 + envelopA[8] = envelopA[5] ; // radii are the same. + envelopA[9] = envelopA[6] ; // radii are the same. + + gMC->Gsvolu(label.Data(), "PGON", idtmed[1599], envelopA, 10); // Polygone filled with air + + // Position XU10 in XEN1 + + gMC->Gspos(label.Data(), 1, "XEN1", 0.0, 0.0, 0.0, idrotm, "ONLY") ; + + Info("CreateGeometry","rXEN%d = %f, %f\n", i, envelopA[5], envelopA[6]); + // Create the shapes of active material (LEAD/Aluminium/Scintillator) // to be placed Float_t envelopB[10]; // First Layer of Aluminium Float_t envelopC[10]; // Scintillator Layers Float_t envelopD[10]; // Lead Layers - //starting position in Phi - envelopC[0] = envelopD[0] = envelopB[0] = geom->GetArm1PhiMin(); - - // Angular size of the Detector in Phi - envelopB[1] = geom->GetArm1PhiMax() - geom->GetArm1PhiMin(); - envelopC[1] = envelopD[1] = envelopB[1]; - - // Number of Section in Phi - envelopC[2] = envelopD[2] = envelopB[2] = geom->GetNPhi(); - - // each section will be passed 2 z coordinates - envelopD[3] = envelopC[3] = envelopB[3] = 2; - envelopB[4] = geom->ZFromEtaR(geom->GetEnvelop(0)+geom->GetGap2Active(), - geom->GetArm1EtaMin());// z co-ordinate 1 - envelopB[5] = geom->GetEnvelop(0) + geom->GetGap2Active(); //rmin at z1 - envelopB[6] = envelopB[5] + geom->GetAlFrontThickness();//rmax at z1 - envelopD[6] = envelopB[6]; - envelopB[7] = geom->ZFromEtaR(geom->GetEnvelop(0)+geom->GetGap2Active(), - geom->GetArm1EtaMax()); // z co-ordinate 2 - envelopB[8] = envelopB[5] ; // - envelopB[9] = envelopB[6] ; // radii are the same. - - // filled shapes wit hactive material - - // Define Aluminium volume completely - gMC->Gsvolu("XALU", "PGON", idtmed[1602], envelopB, 10); - - // The polystyrene layers will be defined when placed - gMC->Gsvolu("XPST", "PGON", idtmed[1601], dum, 0); - gMC->Gsvolu("XPBX", "PGON", idtmed[1600], dum, 0);// as will the lead layers + envelopC[0] = envelopD[0] = envelopB[0] = envelopA[0] ; // starting position in Phi + envelopC[1] = envelopD[1] = envelopB[1] = envelopA[1] ; // angular range in phi + envelopC[2] = envelopD[2] = envelopB[2] = envelopA[2] ; // number of sections in Phi + envelopD[3] = envelopC[3] = envelopB[3] = envelopA[3] ; // 2 z coordinates + + envelopB[4] = geom->ZFromEtaR(geom->GetEnvelop(0), + geom->GetArm1EtaMin()); // z co-ordinate 1 + envelopB[5] = geom->GetEnvelop(0) ; // rmin at z1 + envelopB[6] = envelopB[5] + geom->GetAlFrontThickness();// rmax at z1 + envelopB[7] = geom->ZFromEtaR(geom->GetEnvelop(0), + geom->GetArm1EtaMax()); // z co-ordinate 2 + envelopB[8] = envelopB[5] ; // radii are the same. + envelopB[9] = envelopB[6] ; // radii are the same. + + // Define active volumes completely + + gMC->Gsvolu("XALU", "PGON", idtmed[1602], envelopB, 10); // PGON filled with Al + + gMC->Gspos("XALU", 1, "XEN1", 0.0, 0.0, 0.0 , idrotm, "ONLY") ; // Position Aluminium Layer in XEN1 - // Dividind eta polystyrene divisions into phi segments. - gMC->Gsdvn("XPHI", "XPST", geom->GetNPhi(), 2); + gMC->Gsvolu("XPST", "PGON", idtmed[1601], dum, 0); // PGON filled with Scintillator (shape to be defined by GSPOSP) + + gMC->Gsvolu("XPBX", "PGON", idtmed[1600], dum, 0); // PGON filled with Lead (shape to be defined by GSPOSP) + + gMC->Gsdvn("XPHI", "XPST", geom->GetNPhi(), 2); // Divide eta section of scintillators into phi segments. + + // Position alternatively scintillator and Lead Layers in XUi. - // Position Aluminium Layer in the Envelope - gMC->Gspos("XALU", 1, "XEN1", 0.0, 0.0, 0.0 , idrotm, "ONLY") ; + envelopD[6] = envelopB[6] + geom->GetGap2Active() ;// gap between Al layer and XU0 - // The loop below places the scintillator in Lead Layers alternately. for (int i = 0; i < geom->GetNLayers() ; i++ ){ label = "XU" ; - label += (int) i/2 ; // we will place two layers (i = one layer) in each mini envelope) + label += static_cast (i/2) ; // we will place two layers (i = one layer) in each mini envelope) envelopC[5] = envelopD[6] ; //rmin envelopC[6] = envelopD[6] + ((i > 1) ? geom->GetFullSintThick() : geom->GetPreSintThick());//rmax larger for first two layers (preshower) @@ -215,11 +293,12 @@ void AliEMCALv0::CreateGeometry() ((j+1)*geom->GetDeltaEta()); envelopC[4] = geom->ZFromEtaR(envelopD[6],etamin); //z begin envelopC[7] = geom->ZFromEtaR(envelopD[6],etamax);// z end - gMC->Gsposp("XPST",1+j+i*(geom->GetNEta()), label.Data(), // should be used but there's a weird crash above i = 18, + + gMC->Gsposp("XPST",1+j+i*(geom->GetNEta()), label.Data(), 0.0, 0.0, 0.0 , idrotm, "ONLY", envelopC, 10); // Position and define layer } // end for j - if (i < (geom->GetNLayers()-1)){ + if (i < (geom->GetNLayers()-1)){ // except for the last XU which contains only one scintillator layer envelopD[5] = envelopC[6] ; //rmin envelopD[6] = envelopC[6] + geom->GetPbRadThick(); //rmax envelopD[8] = envelopC[6] ; //rmin @@ -233,7 +312,8 @@ void AliEMCALv0::CreateGeometry() envelopD[7] = geom->ZFromEtaR(envelopC[6],etamax);// z end // Position and Define Layer - gMC->Gsposp("XPBX",1+ j+i*(geom->GetNEta()), label.Data(), + + gMC->Gsposp("XPBX",1+j+i*(geom->GetNEta()), label.Data(), 0.0, 0.0, 0.0 , idrotm, "ONLY", envelopD, 10); } // end for j } // end if i @@ -244,31 +324,27 @@ void AliEMCALv0::CreateGeometry() void AliEMCALv0::Init(void) { // Just prints an information message - - Int_t i; + + if(fDebug) { + TString message("\n") ; + message += "*****************************************" ; - if(fDebug) { - cout << endl; - for(i=0;i<35;i++) - cout <<"*"; - cout << "INFO: " << ClassName() << "::Init "; - for(i=0;i<35;i++) - cout << "*"; - cout << endl; - // Here the EMCAL initialisation code (if any!) - + AliEMCALGeometry * geom = GetGeometry() ; - - if (geom!=0) - cout << "AliEMCAL" << Version() << " : EMCAL geometry intialized for " - << geom->GetName() << endl ; - else - cout << "AliEMCAL" << Version() << - " : EMCAL geometry initialization failed !" << endl ; - - for(i=0;i<80;i++) - cout << "*" ; - cout << endl; + + if (geom!=0) { + message += "AliEMCAL " ; + message += Version() ; + message += "EMCAL geometry intialized for " ; + message += geom->GetName() ; + } + else { + message += "AliEMCAL " ; + message += Version() ; + message += "EMCAL geometry initialization failed !" ; } + message += "*****************************************" ; + Info("Init", message.Data() ) ; + } }