X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=EMCAL%2FAliEMCALv0.cxx;h=e77cd5fbd69f8cb74c3d978d34e0dee46ac88d04;hb=1ab45179a0c1f82144656d3cf7aa0d139249bf19;hp=112577e883f855c7aa95b9d30a79cc5a630b8422;hpb=61e0abb5c9bbd6e578ed6769602e4d9bb80ba13e;p=u%2Fmrichter%2FAliRoot.git diff --git a/EMCAL/AliEMCALv0.cxx b/EMCAL/AliEMCALv0.cxx index 112577e883f..e77cd5fbd69 100644 --- a/EMCAL/AliEMCALv0.cxx +++ b/EMCAL/AliEMCALv0.cxx @@ -12,32 +12,37 @@ * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ - /* $Id$ */ //_________________________________________________________________________ // Implementation version v0 of EMCAL Manager class // 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 -// +// This class places a Geometry of the EMCAL in the ALICE Detector as defined in AliEMCALGeometry.cxx //*-- Author: Yves Schutz (SUBATECH) //*-- and : Sahal Yacoob (LBL / UCT) +// 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. +// 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 "TTUBS.h" #include "TNode.h" #include "TRandom.h" #include "TGeometry.h" - // --- Standard library --- #include #include #include -#include -#include +#include +#include // --- AliRoot header files --- @@ -51,142 +56,215 @@ ClassImp(AliEMCALv0) //______________________________________________________________________ AliEMCALv0::AliEMCALv0(const char *name, const char *title): - AliEMCAL(name,title){ - // Standard Constructor - - if (strcmp(GetTitle(),"") != 0 ) - fGeom = AliEMCALGeometry::GetInstance(GetTitle(), "") ; + AliEMCAL(name,title) +{ + // ctor : title is used to identify the layout + GetGeometry() ; } + //______________________________________________________________________ -void AliEMCALv0::BuildGeometry(){ +void AliEMCALv0::BuildGeometry() +{ // Display Geometry for display.C const Int_t kColorArm1 = kBlue ; - // make the container of Arm1 - + AliEMCALGeometry * geom = GetGeometry() ; + + // Define the shape of the Calorimeter + TNode * top = gAlice->GetGeometry()->GetNode("alice") ; new TTUBS("Envelop1", "Tubs that contains arm 1", "void", - fGeom->GetEnvelop(0), // rmin - fGeom->GetEnvelop(1) +30 , // rmax - fGeom->GetEnvelop(2)/2.0, // half length in Z - fGeom->GetArm1PhiMin(), // minimun phi angle - fGeom->GetArm1PhiMax() // maximun phi angle + geom->GetEnvelop(0), // rmin + geom->GetEnvelop(1) +30 , // rmax + geom->GetEnvelop(2)/2.0, // half length in Z + geom->GetArm1PhiMin(), // minimun phi angle + geom->GetArm1PhiMax() // maximun phi angle ); - // Arm 1 inside alice - TNode * envelop1node = new TNode("Envelop1", "Arm1 Envelop", "Envelop1") ; + + // Place the Node + top->cd(); + TNode * envelop1node = new TNode("Envelop1", "Arm1 Envelop", "Envelop1" + ,0., 0., 0., "") ; envelop1node->SetLineColor(kColorArm1) ; fNodes->Add(envelop1node) ; } + //______________________________________________________________________ -void AliEMCALv0::CreateGeometry(){ +void AliEMCALv0::CreateGeometry() +{ // Create the EMCAL geometry for Geant - AliEMCALv0 *emcaltmp = (AliEMCALv0*)gAlice->GetModule("EMCAL") ; + Float_t etamin,etamax; + Float_t *dum=0; - if ( emcaltmp == NULL ) { - Warning("CreateGeometry","detector not found!"); - return; + AliEMCALGeometry * geom = GetGeometry() ; + + if(!(geom->IsInitialized())){ + Error("CreateGeometry","EMCAL Geometry class has not been set up."); } // end if + // Get pointer to the array containing media indices Int_t *idtmed = fIdtmed->GetArray() - 1599 ; - // Create tube sectors that contains Arm 1 & 2 - - Float_t envelopA[5] ; - envelopA[0] = fGeom->GetEnvelop(0) ; // rmin - envelopA[1] = fGeom->GetEnvelop(1) + 30 ; // rmax - envelopA[2] = fGeom->GetEnvelop(2) / 2.0 ; // dz - envelopA[3] = fGeom->GetArm1PhiMin() ; // minimun phi angle - envelopA[4] = fGeom->GetArm1PhiMax() ; // maximun phi angle + // 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 - - // Create a tube sector that contains active material Arm 1 & 2 - - Float_t envelopB[10]; - Float_t envelopC[10]; - Float_t envelopD[10]; - envelopC[0] = envelopD[0] = envelopB[0] = fGeom->GetArm1PhiMin(); - envelopC[1] = envelopD[1] = envelopB[1] = fGeom->GetArm1PhiMax() - - fGeom->GetArm1PhiMin(); - envelopC[2] = envelopD[2] = envelopB[2] = fGeom->GetNPhi() ; - envelopD[3] = 2; - envelopC[3] = 2; - envelopB[3] = 2; - - envelopB[4] = (fGeom->GetEnvelop(0) + fGeom->GetGap2Active()) / - (tan(2*atan(exp(0.7)))) ; - envelopB[5] = fGeom->GetEnvelop(0) + fGeom->GetGap2Active(); //rmin - envelopD[6] = envelopB[6] = envelopB[5] + 3.18; //rmax - envelopB[7] = (fGeom->GetEnvelop(0) + fGeom->GetGap2Active()) / - (tan(2*atan(exp(-0.7)))) ; - envelopB[8] = envelopB[5] ; - envelopB[9] = envelopB[6] ; - - // filled with active material (average) - gMC->Gsvolu("XALU", "PGON", idtmed[1602], envelopB, 10); - // filled with active material (Polystyrene) - gMC->Gsvolu("XPST", "PGON", idtmed[1601], 0, 0) ; - gMC->Gsvolu("XPBX", "PGON", idtmed[1600], 0, 0) ; // filled with Lead - gMC->Gsdvn("XPHI", "XPST", fGeom->GetNPhi(), 2) ; // Naming Phi divisions - Int_t idrotm = 1; AliMatrix(idrotm, 90.0, 0., 90.0, 90.0, 0.0, 0.0) ; - // Position ENV1 container in ALIC - gMC->Gspos("XEN1", 1, "ALIC", 0.0, 0.0, 0.0, idrotm, "MANY") ; - // Position ARM1 into ENV1 + // Position the EMCAL Mother Volume in Alice + gMC->Gspos("XEN1", 1, "ALIC", 0.0, 0.0, 0.0, idrotm, "ONLY") ; + + // + TString label = "XU0"; + + //rmin Start mini envelopes after the aluminium layer + envelopA[0] = geom->GetEnvelop(0) + geom->GetGap2Active() + + geom->GetAlFrontThickness(); + + //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); + + // Place XU0 in to 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++ ){ + label = "XU" ; + label += i ; + envelopA[0] = envelopA[1]; //rmin + envelopA[1] = envelopA[0] + 2.0*tseg; //rmax + + //filled with air + gMC->Gsvolu(label.Data(), "TUBS ", idtmed[1599], envelopA, 5); + gMC->Gspos(label.Data(), 1, "XEN1", 0.0, 0.0, 0.0, idrotm, "ONLY") ; + } // end i + + // 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 + + // Dividind eta polystyrene divisions into phi segments. + gMC->Gsdvn("XPHI", "XPST", geom->GetNPhi(), 2); + + // Position Aluminium Layer in the Envelope gMC->Gspos("XALU", 1, "XEN1", 0.0, 0.0, 0.0 , idrotm, "ONLY") ; - for (int i = 0; i < (fGeom->GetNLayers()); i++ ){ - envelopC[5] = envelopD[6] ; //rmin - envelopC[6] = envelopD[6] + ((i > +2) ? 0.5 : 0.6) ; //rmax + // 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 > 2 ) ? 0.5 : 0.6) ; //rmax - for (int j =0; j < (fGeom->GetNZ()) ; j++){ - envelopC[4] = envelopD[6]/tan(2*atan(exp(0.7-(j*1.4/ - (fGeom->GetNZ()))))); - envelopC[7] = envelopD[6]/tan(2*atan(exp(0.7-((j+1)*1.4/ - (fGeom->GetNZ()))))); - gMC->Gsposp("XPST",1+j+i*(fGeom->GetNZ()), "XEN1", - 0.0, 0.0, 0.0 , idrotm, "ONLY", envelopC, 10); + 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++){ + etamin = geom->GetArm1EtaMin()+ + (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 < (fGeom->GetNLayers()-1)){ + + if (i < (geom->GetNLayers()-1)){ envelopD[5] = envelopC[6] ; //rmin - envelopD[6] = envelopC[6] + 0.5; //rmax + envelopD[6] = envelopC[6] + geom->GetPbRadThick(); //rmax envelopD[8] = envelopC[6] ; //rmin - envelopD[9] = envelopC[6] + 0.5; //rmax - for (int j =0; j < (fGeom->GetNZ()) ; j++){ - envelopD[4] = envelopC[6]/tan(2*atan(exp(0.7-(j*1.4/ - (fGeom->GetNZ()))))); - envelopD[7] = envelopC[6]/tan(2*atan(exp(0.7-((j+1)*1.4/ - (fGeom->GetNZ()))))); - gMC->Gsposp("XPBX",1+ j+i*(fGeom->GetNZ()), "XEN1", - 0.0, 0.0, 0.0 , idrotm, "MANY", envelopD, 10) ; + 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 } // for i } + //______________________________________________________________________ -void AliEMCALv0::Init(void){ +void AliEMCALv0::Init(void) +{ // Just prints an information message - Int_t i; - - cout << endl; - for(i=0;i<35;i++) cout <<"*"; - cout << " EMCAL_INIT "; - for(i=0;i<35;i++) cout << "*"; - cout << endl; - + + if(fDebug) { + TString message("\n") ; + message += "*****************************************" ; + // Here the EMCAL initialisation code (if any!) - - if (fGeom!=0) - cout << "AliEMCAL" << Version() << " : EMCAL geometry intialized for " - << fGeom->GetName() << endl ; - else - cout << "AliEMCAL" << Version() << - " : EMCAL geometry initialization failed !" << endl ; - for(i=0;i<80;i++) printf("*"); - cout << endl; + + AliEMCALGeometry * geom = GetGeometry() ; + + 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() ) ; + } }