/************************************************************************** * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * * * Author: The ALICE Off-line Project. * * Contributors are mentioned in the code where appropriate. * * * * Permission to use, copy, modify and distribute this software and its * * documentation strictly for non-commercial purposes is hereby granted * * without fee, provided that the above copyright notice appears in all * * copies and that both the copyright notice and this permission notice * * appear in the supporting documentation. The authors make no claims * * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ /* $Id$ */ /////////////////////////////////////////////////////////////////////////////// // // // Cosmic Rays ALICE Trigger // // This class contains the basic functions for the Cosmic Ray ALICE // // detector. Functions specific to one particular geometry are // // contained in the derived classes // // // Begin_Html /*
The responsible person for this module is Enrique Gamez Flores.
*/ //End_Html // // // // /////////////////////////////////////////////////////////////////////////////// #include#include #include #include #include #include #include "AliACORDE.h" #include "AliMagF.h" #include "AliRun.h" #include "AliACORDERawData.h" #include "AliACORDERawStream.h" ClassImp(AliACORDE) //_____________________________________________________________________________ AliACORDE::AliACORDE() : AliDetector(), fCreateCavern(0), f4CentralModulesGeometry(0) { // // Default constructor // } //_____________________________________________________________________________ AliACORDE::AliACORDE(const char *name, const char *title) : AliDetector(name, title), fCreateCavern(kFALSE), f4CentralModulesGeometry(kTRUE) { // // Standard constructor } //_____________________________________________________________________________ AliACORDE::~AliACORDE() { // // Default destructor // } //_____________________________________________________________________________ void AliACORDE::CreateMaterials() { // Magnatic field inside the pit Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); //Magnetic field above the Magnet. Int_t xfield = 0; // no Magnetic field. Float_t xfieldm = 0; Float_t xepsil = 0.1; // Tracking precission in cm. obove the pit // --- Define the various materials for GEANT --- Float_t epsil, stmin, tmaxfd, deemax, stemax; // // Aluminum AliMaterial(9, "ALUMINIUM0$", 26.98, 13., 2.7, 8.9, 37.2); // AliMaterial(29, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2); //AliMaterial(49, "ALUMINIUM2$", 26.98, 13., 2.7, 8.9, 37.2); // // Iron //AliMaterial(10, "IRON0$ ", 55.85, 26., 7.87, 1.76, 17.1); //AliMaterial(30, "IRON1$ ", 55.85, 26., 7.87, 1.76, 17.1); //AliMaterial(50, "IRON2$ ", 55.85, 26., 7.87, 1.76, 17.1); // // Air Float_t as[] = { 12.0107, 14.0067, 15.9994, 39.948 }; Float_t zs[] = { 6., 7., 8., 18. }; Float_t ws[] = { 0.000124, 0.755267, 0.231781, 0.012827 }; Double_t density = .00120479; AliMixture(15, "AIR0$", as, zs, density, 4, ws); //AliMaterial(15, "AIR0$ ", 14.61, 7.3, .001205, 30423.24, 67500.); //AliMaterial(35, "AIR1$ ", 14.61, 7.3, .001205, 30423.24, 67500.); //AliMaterial(55, "AIR2$ ", 14.61, 7.3, .001205, 30423.24, 67500.); //AliMaterial(75, "AIR3$ ", 14.61, 7.3, .001205, 30423.24, 67500.); //AliMaterial(95, "AIR4$ ", 14.61, 7.3, .001205, 30423.24, 67500.); // Scintillator material polystyrene Float_t aP[2] = {12.011, 1.00794}; Float_t zP[2] = {6.0, 1.0}; Float_t wP[2] = {1.0, 1.0}; Float_t dP = 1.032; AliMixture(13, "Polystyrene$", aP, zP, dP, -2, wP); // Subalpine Molasse over the ALICE hall. Float_t aMolasse[10] = { 1., 12.01, 15.994, 22.99, 24.305, 26.98, 28.086, 39.1, 40.08, 55.85 }; Float_t zMolasse[10] = {1., 6., 8., 11., 12., 13., 14., 19., 20., 26.}; Float_t wMolasse[10] = {0.008, 0.043, 0.485, 0.007, 0.042, 0.037, 0.215, 0.023, 0.1, 0.04}; Float_t dMolasse = 2.40; AliMixture(24, "Molasse$", aMolasse, zMolasse, 2*dMolasse, 10, wMolasse); // correction to density of molasse alpine newDen=2*dmolasse // **************** // Defines tracking media parameters. // Les valeurs sont commentees pour laisser le defaut // a GEANT (version 3-21, page CONS200), f.m. epsil = .001; // Tracking precision, Inside the pit stemax = -1.; // Maximum displacement for multiple scattering tmaxfd = -20.; // Maximum angle due to field deflection deemax = -.3; // Maximum fractional energy loss, DLS stmin = -.8; // *************** Float_t atmaxfd = 10.; Float_t adeemax = -0.1; Float_t aepsil = 0.1; Float_t astmin = -10.; // // Aluminum AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); //AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // // Iron //AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); //AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); //AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // // Air AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); // AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); //AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); //AliMedium(75, "AIR_C4 ", 75, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); //AliMedium(95, "AIR_C5 ", 95, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); // The scintillator of the CPV made of Polystyrene // scintillator -> idtmed[1112] //AliMedium(12 , "CPV scint.0 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); AliMedium(13 , "CPV scint.1 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); //AliMedium(14 , "CPV scint.2 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); // Molasse -> idtmed[1123] AliMedium(24 , "Molasse ", 24, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin); // Concrete, in case if we need to put hte shafts by ourselves. Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 }; Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. }; Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 }; AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); // Concrete AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // AliMedium(27, "CC_C1 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // MX24 //AliMedium(37, "CC_C2 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PM25 //AliMedium(47, "CC_C3 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PGC2 } //_____________________________________________________________________________ void AliACORDE::SetTreeAddress() { TBranch *branch; char branchname[20]; snprintf(branchname,19,"%s",GetName()); // Branch address for hit tree TTree *treeH = fLoader->TreeH(); if (treeH ) { branch = treeH->GetBranch(branchname); if (branch) branch->SetAddress(&fHits); } } //_____________________________________________________________________________ void AliACORDE::MakeBranch(Option_t* opt) { // // Initializes the branches of the ACORDE inside the trees written // for each event. // const char* oH = strstr(opt, "H"); if ( fLoader->TreeH() && oH && (fHits == 0x0) ) { fHits = new TClonesArray("AliACORDEhit", 1000); fNhits = 0; } AliDetector::MakeBranch(opt); } AliLoader* AliACORDE::MakeLoader(const char* topfoldername) { AliDebug(1,Form("Creating AliACORDELoader, Top folder is %s ", topfoldername)); fLoader = new AliACORDELoader(GetName(),topfoldername); return fLoader; } AliDigitizer* AliACORDE::CreateDigitizer(AliDigitizationInput* digInput) const { // // return new AliACORDEDigitizer(digInput); } void AliACORDE::Digits2Raw() { // Produce Raw data starting from digits // 1. Get digits // 2. From digits get an array with the state of the modules // 3. Unload digits // 4. Write raw data // 1. Get digits // 1.1 Get detector, load digits and set branch AliACORDE* acorde = (AliACORDE*)gAlice->GetDetector("ACORDE"); fLoader->LoadDigits("READ"); TTree* treeD = fLoader->TreeD(); if (!treeD) { Error("Digits2Raw", "no digits tree"); return; } TClonesArray *adigits = new TClonesArray ("AliACORDEdigit", 1000); treeD->GetBranch("ACORDEdigit")->SetAddress(&adigits); // 1.2 Get first entry (there is always only one) acorde->ResetDigits(); treeD->GetEvent(0); // 2. From digits get an array with the state of the modules // 2.1 Define and initialize the array Bool_t Modules[60]; for (Int_t i=0;i<60;i++) Modules[i]= kFALSE; // 2.2 Loop over all digits Int_t ndig = adigits->GetEntriesFast(); for (Int_t idig=0;idig At(idig); Int_t mod = digit->GetModule(); Modules[mod]=kTRUE; } // 3. Unload digits fLoader->UnloadDigits(); // 4. Write raw data AliACORDERawData rawdata; rawdata.WriteACORDERawData(Modules,(ndig > 1)); } //_____________________________________________________________________________ Bool_t AliACORDE::Raw2SDigits(AliRawReader* rawReader) { // // Reads the raw data stream and exracts the digits // // Input: // rawReader : pointer to the current AliRawReader // Output: // // Created: 31 Jan 2008 Mario Sitta // TStopwatch timer; timer.Start(); if(!fLoader) { AliError("no ACORDE loader found"); return kFALSE; } TTree* treeD = fLoader->TreeD(); if(!treeD) { fLoader->MakeTree("D"); treeD = fLoader->TreeD(); } AliACORDEdigit digit; AliACORDEdigit* pdigit = &digit; const Int_t kBufferSize = 4000; treeD->Branch("ACORDE", "AliACORDEdigit", &pdigit, kBufferSize); // rawReader->Reset(); AliACORDERawStream* rawStream = new AliACORDERawStream(rawReader); if (!rawStream->Next()) return kFALSE; // No ACORDE data found /* for(Int_t i=0; i<64; i++) { new(pdigit) AliACORDEdigit(i, (Int_t)rawStream->GetADC(i), (Int_t)rawStream->GetTime(i)); treeD->Fill(); } */ fLoader->WriteDigits("OVERWRITE"); fLoader->UnloadDigits(); delete rawStream; timer.Stop(); timer.Print(); return kTRUE; } //_____________________________________________________________________________