X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=EMCAL%2FAliEMCALv0.cxx;h=cec6fa40a6564b13cf0228943beaaba1adba97c6;hb=917e711b48434c7f14546db30a7a057948bb63db;hp=dfa3c7061e06007f5ff4cb53ebc6e85f428893af;hpb=05a92d59aeb65ac1e2f05b1c0600345cea26698b;p=u%2Fmrichter%2FAliRoot.git diff --git a/EMCAL/AliEMCALv0.cxx b/EMCAL/AliEMCALv0.cxx index dfa3c7061e0..cec6fa40a65 100644 --- a/EMCAL/AliEMCALv0.cxx +++ b/EMCAL/AliEMCALv0.cxx @@ -24,33 +24,28 @@ // This Version of AliEMCALv0 reduces the number of volumes placed in XEN1 (the envelope) to less than five hundred // The Envelope is Placed in Alice, And the Aluminium layer. Mini envelopes (XU) are then placed in XEN1. -// Each mini envelope contains 2 scintillator, and 2 lead layers, except the last one which contains just one scintillator layer. +// Each mini envelope contains 1 scintillator, and 1 lead layer, except the last one which contains just one scintillator layer. // At the moment I cannot place the 36 and above layers in the mini envelopes so all layers are still placed in XEN1 // --- ROOT system --- -#include "TPGON.h" +//#include "TPGON.h" #include "TTUBS.h" #include "TNode.h" -#include "TRandom.h" #include "TGeometry.h" +#include "TVirtualMC.h" +#include "TArrayI.h" // --- Standard library --- -#include -#include -#include -#include -#include +//#include // --- AliRoot header files --- #include "AliEMCALv0.h" #include "AliEMCALGeometry.h" -#include "AliConst.h" #include "AliRun.h" -#include "AliMC.h" ClassImp(AliEMCALv0) @@ -76,10 +71,10 @@ void AliEMCALv0::BuildGeometry() TNode * top = gAlice->GetGeometry()->GetNode("alice") ; new TTUBS("Envelop1", "Tubs that contains arm 1", "void", geom->GetEnvelop(0), // rmin - geom->GetEnvelop(1) +30 , // rmax + geom->GetEnvelop(1) +30 ,// rmax geom->GetEnvelop(2)/2.0, // half length in Z - geom->GetArm1PhiMin(), // minimun phi angle - geom->GetArm1PhiMax() // maximun phi angle + geom->GetArm1PhiMin(), // minimum phi angle + geom->GetArm1PhiMax() // maximum phi angle ); // Place the Node @@ -93,7 +88,30 @@ 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() | | + //| | | | + //| ------------------------------------------------- | + //| | XU1 : XPST (ECAL e = GetECScintThick() ) | | + //| ------------------------------------------------- | + //| | XU1 : XPBX (ECAL e = GetECPbRadThick() ) | | + //| ------------------------------------------------- | + //| | XU1 : XPST (ECAL e = GetECScintThick() | | + //| ------------------------------------------------- | + //| | XU1 : XPBX (ECAL e = GetECPbRadThick() ) | | + //| ------------------------------------------------- | + //| etc ..... GetNECLayers() - 1 times | + //| ------------------------------------------------- | + //| | XUNLayer : XPST (ECAL e = GetECScintThick() | | + //| ------------------------------------------------- | Float_t etamin,etamax; Float_t *dum=0; @@ -107,136 +125,192 @@ 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") ; + // Create the EMCAL Mother Volume (a polygone) within which to place the Detector and named XEN1 + + 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(1), + geom->GetArm1EtaMin()); // z coordinate 1 + //add some padding for mother volume + envelopA[5] = geom->GetEnvelop(0) ; // rmin at z1 + envelopA[6] = geom->GetEnvelop(1) ; // rmax at z1 + envelopA[7] = geom->ZFromEtaR(geom->GetEnvelop(1), + geom->GetArm1EtaMax()); // z coordinate 2 + envelopA[8] = envelopA[5] ; // radii are the same. + envelopA[9] = envelopA[6] ; // radii are the same. - // - TString label = "XU0"; + gMC->Gsvolu("XEN1", "PGON ", idtmed[1599], envelopA, 10) ; // Polygone filled with air - //rmin Start mini envelopes after the aluminium layer - envelopA[0] = geom->GetEnvelop(0) + geom->GetGap2Active() + - geom->GetAlFrontThickness(); + // Position the EMCAL Mother Volume (XEN1) in Alice (ALIC) + + gMC->Gspos("XEN1", 1, "ALIC", 0.0, 0.0, 0.0, idrotm, "ONLY") ; + + if (gDebug==2) { + printf("CreateGeometry: XEN1 = %f, %f\n", envelopA[5], envelopA[6]); + printf("CreateGeometry: XU0 = %f, %f\n", envelopA[5], envelopA[6]); + } + // Create mini-envelopes which will contain the Tower scintillator-radiator + + TString label ; + + envelopA[5] = envelopA[5] + geom->GetGap2Active() // we are at the first scintllator + + geom->GetAlFrontThickness(); // rmin at z1 + envelopA[6] = envelopA[5] ; - //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 - //filled with air - gMC->Gsvolu(label.Data(), "TUBS ", idtmed[1599], envelopA, 5); + Int_t i ; - // Place XU0 in to XEN1 - gMC->Gspos(label.Data(), 1, "XEN1", 0.0, 0.0, 0.0, idrotm, "ONLY"); + Int_t nLayers = geom->GetNECLayers(); - tseg = geom->GetFullSintThick()+geom->GetPbRadThick(); - for (int i = 1; i < ((geom->GetNLayers()-1)/2) + 1 ; i++ ){ + for (i = 0; i < (nLayers-1); i++ ){ label = "XU" ; label += i ; - envelopA[0] = envelopA[1]; //rmin - envelopA[1] = envelopA[0] + 2.0*tseg; //rmax + Float_t tseg ; + tseg = geom->GetECScintThick()+geom->GetECPbRadThick(); // thickness of scintillator+Pb in E Cal + envelopA[5] = envelopA[6] ; // rmin at z1 + envelopA[4] = geom->ZFromEtaR(envelopA[5] + tseg, + geom->GetArm1EtaMin()); // z coordinate 1 + envelopA[7] = geom->ZFromEtaR(envelopA[5] + tseg, + 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 - //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 (gDebug == 2) + printf("CreateGeometry: XU%d = %f, %f\n", i, envelopA[5], envelopA[6]); + + } // end i + + + // Create one mini-envelope which will contain the last scintillator XU(nlayers-1) because there is one more scintillator than Pb layer XU(nlayers-1) + + label = "XU" ; + label += i ; + envelopA[5] = envelopA[6] ; // rmin at z1 + envelopA[4] = geom->ZFromEtaR(envelopA[5] + geom->GetECScintThick(), + geom->GetArm1EtaMin()); // z coordinate 1 + envelopA[7] = geom->ZFromEtaR(envelopA[5] + geom->GetECScintThick(), + geom->GetArm1EtaMax()); // z coordinate 2 + envelopA[6] = envelopA[5] + geom->GetECScintThick() ; // 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 the last minienvelope in XEN1 + + gMC->Gspos(label.Data(), 1, "XEN1", 0.0, 0.0, 0.0, idrotm, "ONLY") ; + + if(gDebug == 2) + printf("CreateGeometry: XEN%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 + envelopC[3] = envelopD[3] = envelopB[3] = envelopA[3] ; // 2 z coordinates + + Float_t dist = geom->GetEnvelop(0) + geom->GetAlFrontThickness() + geom->GetGap2Active() ; + envelopB[4] = geom->ZFromEtaR(dist, + 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(dist, + 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->Gsvolu("XCUX", "PGON", idtmed[1603], dum, 0); // PGON filled with Copper (shape to be defined by GSPOSP) - // Position Aluminium Layer in the Envelope - gMC->Gspos("XALU", 1, "XEN1", 0.0, 0.0, 0.0 , idrotm, "ONLY") ; + gMC->Gsdvn("XPHI", "XPST", geom->GetNPhi(), 2); // Divide eta section of scintillators into phi segments. + + // Position alternatively scintillator and Lead Layers in XUi. - // 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) - envelopC[5] = envelopD[6] ; //rmin - envelopC[6] = envelopD[6] + ((i > 1) ? geom->GetFullSintThick() : - geom->GetPreSintThick());//rmax larger for first two layers (preshower) - envelopC[8] = envelopD[6] ; //rmin - envelopC[9] = envelopD[6] + ((i > 1 ) ? geom->GetFullSintThick() : - geom->GetPreSintThick());//rmax larger for first two layers (preshower) - for (int j =0; j < (geom->GetNEta()) ; j++){ + envelopD[6] = envelopB[6] + geom->GetGap2Active() ;// gap between Al layer and XU0 + + for (int i = 0; i < nLayers; i++ ){ + label = "XU" ; + label += i ; // we will place one layer in each mini envelope) + + Float_t scthick ; // scintillator thickness + scthick = geom->GetECScintThick() ; + + envelopC[5] = envelopD[6] ; //rmin + envelopC[6] = envelopC[5] + scthick ; //rmax + envelopC[8] = envelopC[5] ; //rmin + envelopC[9] = envelopC[6] ; //rmax + + if(gDebug == 2 ) + printf("CreateGeometry: volume = %s, name = XPST thickness = %f deb = %f/%f fin = %f/%f", label.Data(), scthick, envelopC[5], envelopC[8], envelopC[6], envelopC[9]) ; + + for (int j =0; j < (geom->GetNEta()) ; j++){ + etamin = geom->GetArm1EtaMin()+ + (j*geom->GetDeltaEta()); + etamax = geom->GetArm1EtaMin()+ + ((j+1)*geom->GetDeltaEta()); + envelopC[4] = geom->ZFromEtaR(envelopC[5],etamin); //z begin + envelopC[7] = geom->ZFromEtaR(envelopC[5],etamax);// z end + + 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 + + Float_t radthick ; // radiator thickness + TString radname ; // radiator name + radthick = geom->GetECPbRadThick(); + radname = "XPBX" ; + + if ( i < nLayers -1 ) { // except for the last XU which contains only one scintillator layer + + envelopD[5] = envelopC[6] ; //rmin + envelopD[8] = envelopD[5] ; //rmin + envelopD[6] = envelopD[5] + radthick ; // rmax + envelopD[9] = envelopD[6] ; //rmax + + if(gDebug == 2 ) + printf("CreateGeometry: volume = %s, name = %s thickness = %f deb = %f/%f fin = %f/%f", label.Data(), radname.Data(), radthick, envelopD[5], envelopD[8], envelopD[6], envelopD[9]) ; + + for (int j =0; j < (geom->GetNEta()) ; j++){ etamin = geom->GetArm1EtaMin()+ - (j*geom->GetDeltaEta()); + (j*geom->GetDeltaEta()); etamax = geom->GetArm1EtaMin()+ - ((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, - 0.0, 0.0, 0.0 , idrotm, "ONLY", envelopC, 10); // Position and define layer - } // end for j - - if (i < (geom->GetNLayers()-1)){ - envelopD[5] = envelopC[6] ; //rmin - envelopD[6] = envelopC[6] + geom->GetPbRadThick(); //rmax - envelopD[8] = envelopC[6] ; //rmin - envelopD[9] = envelopC[6] + geom->GetPbRadThick(); //rmax - for (int j =0; j < (geom->GetNEta()) ; j++){ - etamin = geom->GetArm1EtaMin()+ - (j*geom->GetDeltaEta()); - etamax = geom->GetArm1EtaMin()+ - ((j+1)*geom->GetDeltaEta()); - envelopD[4] = geom->ZFromEtaR(envelopC[6],etamin);//z begin - envelopD[7] = geom->ZFromEtaR(envelopC[6],etamax);// z end - - // Position and Define Layer - 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 + ((j+1)*geom->GetDeltaEta()); + envelopD[4] = geom->ZFromEtaR(envelopD[5],etamin);//z begin + envelopD[7] = geom->ZFromEtaR(envelopD[5],etamax);// z end + + // Position and Define Layer + + gMC->Gsposp(radname.Data(),1+j+i*(geom->GetNEta()), label.Data(), + 0.0, 0.0, 0.0 , idrotm, "ONLY", envelopD, 10); + } // end for j + } // if not last layer } // for i } @@ -244,31 +318,27 @@ void AliEMCALv0::CreateGeometry() void AliEMCALv0::Init(void) { // Just prints an information message - - Int_t i; + + if(fDebug) { + TString message("\n") ; + message += "*****************************************\n" ; - 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 initialized for " ; + message += geom->GetName() ; + } + else { + message += "AliEMCAL " ; + message += Version() ; + message += "EMCAL geometry initialization failed !" ; } + message += "\n*****************************************" ; + printf(message.Data() ) ; + } }