X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TRD%2FAliTRDdigitizer.cxx;h=308dcb5cb187143b829c90e2b86e5460246971f5;hb=be4253b23d4acceb99f6f77b598c79d06b08218c;hp=16d534f178f57d0b6930087a96238ccef424fbe7;hpb=6a739e92448938ef91a74d177ec8ff1f75210108;p=u%2Fmrichter%2FAliRoot.git diff --git a/TRD/AliTRDdigitizer.cxx b/TRD/AliTRDdigitizer.cxx index 16d534f178f..308dcb5cb18 100644 --- a/TRD/AliTRDdigitizer.cxx +++ b/TRD/AliTRDdigitizer.cxx @@ -15,188 +15,168 @@ /* $Id$ */ -/////////////////////////////////////////////////////////////////////////////// -// // -// Creates and handles digits from TRD hits // -// Author: C. Blume (C.Blume@gsi.de) // -// // -// The following effects are included: // -// - Diffusion // -// - ExB effects // -// - Gas gain including fluctuations // -// - Pad-response (simple Gaussian approximation) // -// - Time-response // -// - Electronics noise // -// - Electronics gain // -// - Digitization // -// - ADC threshold // -// The corresponding parameter can be adjusted via the various // -// Set-functions. If these parameters are not explicitly set, default // -// values are used (see Init-function). // -// As an example on how to use this class to produce digits from hits // -// have a look at the macro hits2digits.C // -// The production of summable digits is demonstrated in hits2sdigits.C // -// and the subsequent conversion of the s-digits into normal digits is // -// explained in sdigits2digits.C. // -// // -/////////////////////////////////////////////////////////////////////////////// - -#include - +//////////////////////////////////////////////////////////////////////////// +// // +// Creates and handles digits from TRD hits // +// // +// Authors: C. Blume (blume@ikf.uni-frankfurt.de) // +// C. Lippmann // +// B. Vulpescu // +// // +// The following effects are included: // +// - Diffusion // +// - ExB effects // +// - Gas gain including fluctuations // +// - Pad-response (simple Gaussian approximation) // +// - Time-response // +// - Electronics noise // +// - Electronics gain // +// - Digitization // +// - Zero suppression // +// // +//////////////////////////////////////////////////////////////////////////// + +#include +#include #include -#include #include -#include #include -#include -#include -#include -#include #include "AliRun.h" +#include "AliMC.h" #include "AliRunLoader.h" #include "AliLoader.h" #include "AliConfig.h" -#include "AliMagF.h" #include "AliRunDigitizer.h" #include "AliRunLoader.h" #include "AliLoader.h" +#include "AliLog.h" #include "AliTRD.h" #include "AliTRDhit.h" #include "AliTRDdigitizer.h" -#include "AliTRDdataArrayI.h" -#include "AliTRDdataArrayF.h" -#include "AliTRDsegmentArray.h" +#include "AliTRDarrayDictionary.h" +#include "AliTRDarrayADC.h" +#include "AliTRDarraySignal.h" #include "AliTRDdigitsManager.h" #include "AliTRDgeometry.h" -#include "AliTRDparameter.h" #include "AliTRDpadPlane.h" #include "AliTRDcalibDB.h" #include "AliTRDSimParam.h" #include "AliTRDCommonParam.h" +#include "AliTRDfeeParam.h" +#include "AliTRDmcmSim.h" +#include "AliTRDdigitsParam.h" + +#include "Cal/AliTRDCalROC.h" +#include "Cal/AliTRDCalDet.h" ClassImp(AliTRDdigitizer) //_____________________________________________________________________________ AliTRDdigitizer::AliTRDdigitizer() + :AliDigitizer() + ,fRunLoader(0) + ,fDigitsManager(0) + ,fSDigitsManager(0) + ,fSDigitsManagerList(0) + ,fTRD(0) + ,fGeo(0) + ,fEvent(0) + ,fMasks(0) + ,fCompress(kTRUE) + ,fSDigits(kFALSE) + ,fMergeSignalOnly(kFALSE) { // // AliTRDdigitizer default constructor // - - fRunLoader = 0; - fDigitsManager = 0; - fSDigitsManager = 0; - fSDigitsManagerList = 0; - fTRD = 0; - fGeo = 0; - fPar = 0; - fEvent = 0; - fMasks = 0; - fCompress = kTRUE; - fDebug = 0; - fSDigits = kFALSE; - fSDigitsScale = 0.0; - fMergeSignalOnly = kFALSE; - fSimpleSim = kFALSE; - fSimpleDet = 0; - - fTimeStructInfo.fLastVdrift = 0; - fTimeStructInfo.fTimeStruct1 = 0; - fTimeStructInfo.fTimeStruct2 = 0; - fTimeStructInfo.fVDlo = 0; - fTimeStructInfo.fVDhi = 0; - fDiffusionInfo.fLastVdrift = 0; - fDiffusionInfo.fDiffusionT = 0.0; - fDiffusionInfo.fDiffusionL = 0.0; - fDiffusionInfo.fLorentzFactor = 0.0; - - Init(); } //_____________________________________________________________________________ -AliTRDdigitizer::AliTRDdigitizer(const Text_t *name, const Text_t *title) - :AliDigitizer(name,title) +AliTRDdigitizer::AliTRDdigitizer(const Text_t *name, const Text_t *title) + :AliDigitizer(name,title) + ,fRunLoader(0) + ,fDigitsManager(0) + ,fSDigitsManager(0) + ,fSDigitsManagerList(0) + ,fTRD(0) + ,fGeo(0) + ,fEvent(0) + ,fMasks(0) + ,fCompress(kTRUE) + ,fSDigits(kFALSE) + ,fMergeSignalOnly(kFALSE) { // // AliTRDdigitizer constructor // - Init(); } //_____________________________________________________________________________ AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager - , const Text_t *name, const Text_t *title) - :AliDigitizer(manager,name,title) + , const Text_t *name, const Text_t *title) + :AliDigitizer(manager,name,title) + ,fRunLoader(0) + ,fDigitsManager(0) + ,fSDigitsManager(0) + ,fSDigitsManagerList(0) + ,fTRD(0) + ,fGeo(0) + ,fEvent(0) + ,fMasks(0) + ,fCompress(kTRUE) + ,fSDigits(kFALSE) + ,fMergeSignalOnly(kFALSE) { // // AliTRDdigitizer constructor // - Init(); } //_____________________________________________________________________________ AliTRDdigitizer::AliTRDdigitizer(AliRunDigitizer *manager) - :AliDigitizer(manager,"AliTRDdigitizer","TRD digitizer") + :AliDigitizer(manager,"AliTRDdigitizer","TRD digitizer") + ,fRunLoader(0) + ,fDigitsManager(0) + ,fSDigitsManager(0) + ,fSDigitsManagerList(0) + ,fTRD(0) + ,fGeo(0) + ,fEvent(0) + ,fMasks(0) + ,fCompress(kTRUE) + ,fSDigits(kFALSE) + ,fMergeSignalOnly(kFALSE) { // // AliTRDdigitizer constructor // - Init(); -} - -//_____________________________________________________________________________ -Bool_t AliTRDdigitizer::Init() -{ - fRunLoader = 0; - - //NewIO: These data members probably are not needed anymore - fDigitsManager = 0; - fSDigitsManager = 0; - fSDigitsManagerList = 0; - fTRD = 0; - fGeo = 0; - fPar = 0; - - //End NewIO comment - fEvent = 0; - fMasks = 0; - fCompress = kTRUE; - fDebug = 0; - fSDigits = kFALSE; - fSDigitsScale = 100.; // For the summable digits - fMergeSignalOnly = kFALSE; - fSimpleSim = kFALSE; - fSimpleDet = 0; - - fTimeStructInfo.fLastVdrift = -1; - fTimeStructInfo.fTimeStruct1 = 0; - fTimeStructInfo.fTimeStruct2 = 0; - fTimeStructInfo.fVDlo = 0; - fTimeStructInfo.fVDhi = 0; - - fDiffusionInfo.fLastVdrift = -1; - fDiffusionInfo.fDiffusionT = 0.0; - fDiffusionInfo.fDiffusionL = 0.0; - fDiffusionInfo.fLorentzFactor = 0.0; - - return AliDigitizer::Init(); } //_____________________________________________________________________________ -AliTRDdigitizer::AliTRDdigitizer(const AliTRDdigitizer &d):AliDigitizer(d) +AliTRDdigitizer::AliTRDdigitizer(const AliTRDdigitizer &d) + :AliDigitizer(d) + ,fRunLoader(0) + ,fDigitsManager(0) + ,fSDigitsManager(0) + ,fSDigitsManagerList(0) + ,fTRD(0) + ,fGeo(0) + ,fEvent(0) + ,fMasks(0) + ,fCompress(d.fCompress) + ,fSDigits(d.fSDigits) + ,fMergeSignalOnly(d.fMergeSignalOnly) { // // AliTRDdigitizer copy constructor // - ((AliTRDdigitizer &) d).Copy(*this); - } //_____________________________________________________________________________ @@ -208,10 +188,13 @@ AliTRDdigitizer::~AliTRDdigitizer() if (fDigitsManager) { delete fDigitsManager; - fDigitsManager = 0; + fDigitsManager = 0; } - fSDigitsManager = 0; + if (fSDigitsManager) { + // s-digitsmanager will be deleted via list + fSDigitsManager = 0; + } if (fSDigitsManagerList) { fSDigitsManagerList->Delete(); @@ -221,20 +204,14 @@ AliTRDdigitizer::~AliTRDdigitizer() if (fMasks) { delete [] fMasks; - fMasks = 0; + fMasks = 0; } - if (fTimeStructInfo.fTimeStruct1) - { - delete [] fTimeStructInfo.fTimeStruct1; - fTimeStructInfo.fTimeStruct1 = 0; + if (fGeo) { + delete fGeo; + fGeo = 0; } - if (fTimeStructInfo.fTimeStruct2) - { - delete [] fTimeStructInfo.fTimeStruct2; - fTimeStructInfo.fTimeStruct2 = 0; - } } //_____________________________________________________________________________ @@ -244,7 +221,10 @@ AliTRDdigitizer &AliTRDdigitizer::operator=(const AliTRDdigitizer &d) // Assignment operator // - if (this != &d) ((AliTRDdigitizer &) d).Copy(*this); + if (this != &d) { + ((AliTRDdigitizer &) d).Copy(*this); + } + return *this; } @@ -262,38 +242,16 @@ void AliTRDdigitizer::Copy(TObject &d) const ((AliTRDdigitizer &) d).fSDigitsManagerList = 0; ((AliTRDdigitizer &) d).fTRD = 0; ((AliTRDdigitizer &) d).fGeo = 0; - ((AliTRDdigitizer &) d).fPar = 0; ((AliTRDdigitizer &) d).fEvent = 0; ((AliTRDdigitizer &) d).fMasks = 0; ((AliTRDdigitizer &) d).fCompress = fCompress; - ((AliTRDdigitizer &) d).fDebug = fDebug ; ((AliTRDdigitizer &) d).fSDigits = fSDigits; - ((AliTRDdigitizer &) d).fSDigitsScale = fSDigitsScale; ((AliTRDdigitizer &) d).fMergeSignalOnly = fMergeSignalOnly; - ((AliTRDdigitizer &) d).fSimpleSim = fSimpleSim; - ((AliTRDdigitizer &) d).fSimpleDet = fSimpleDet; - - AliTRDdigitizer& target = (AliTRDdigitizer &) d; - - target.fDiffusionInfo = fDiffusionInfo; - - // do not copy timestructs, just invalidate lastvdrift. Next time they are requested, they get recalculated - if (target.fTimeStructInfo.fTimeStruct1) - { - delete[] target.fTimeStructInfo.fTimeStruct1; - target.fTimeStructInfo.fTimeStruct1 = 0; - } - if (target.fTimeStructInfo.fTimeStruct2) - { - delete[] target.fTimeStructInfo.fTimeStruct2; - target.fTimeStructInfo.fTimeStruct2 = 0; - } - - target.fTimeStructInfo.fLastVdrift = -1; + } //_____________________________________________________________________________ -void AliTRDdigitizer::Exec(Option_t* option) +void AliTRDdigitizer::Exec(const Option_t * const option) { // // Executes the merging @@ -305,140 +263,120 @@ void AliTRDdigitizer::Exec(Option_t* option) TString optionString = option; if (optionString.Contains("deb")) { - fDebug = 1; - if (optionString.Contains("2")) { - fDebug = 2; - } - printf(" "); - printf("Called with debug option %d\n",fDebug); + AliLog::SetClassDebugLevel("AliTRDdigitizer",1); + AliInfo("Called with debug option"); } // The AliRoot file is already connected by the manager - AliRunLoader* inrl; + AliRunLoader *inrl = 0x0; - if (gAlice) - { - if (fDebug > 0) { - printf(" "); - printf("AliRun object found on file.\n"); - } - } + if (gAlice) { + AliDebug(1,"AliRun object found on file."); + } else { inrl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(0)); inrl->LoadgAlice(); gAlice = inrl->GetAliRun(); - if (!gAlice) - { - printf(" "); - printf("Could not find AliRun object.\n"); - return; - } + if (!gAlice) { + AliError("Could not find AliRun object.") + return; + } } Int_t nInput = fManager->GetNinputs(); - fMasks = new Int_t[nInput]; + fMasks = new Int_t[nInput]; for (iInput = 0; iInput < nInput; iInput++) { fMasks[iInput] = fManager->GetMask(iInput); } + // // Initialization + // + + AliRunLoader *orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); - AliRunLoader* orl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); if (InitDetector()) { - AliLoader* ogime = orl->GetLoader("TRDLoader"); - TTree* tree = 0; - if (fSDigits) - { - //if we produce SDigits + AliLoader *ogime = orl->GetLoader("TRDLoader"); + + TTree *tree = 0; + if (fSDigits) { + // If we produce SDigits + tree = ogime->TreeS(); + if (!tree) { + ogime->MakeTree("S"); tree = ogime->TreeS(); - if (!tree) - { - ogime->MakeTree("S"); - tree = ogime->TreeS(); - } } - else - {//if we produce Digits - tree = ogime->TreeD(); - if (!tree) - { - ogime->MakeTree("D"); - tree = ogime->TreeD(); - } + } + else { + // If we produce Digits + tree = ogime->TreeD(); + if (!tree) { + ogime->MakeTree("D"); + tree = ogime->TreeD(); } + } + MakeBranch(tree); + } for (iInput = 0; iInput < nInput; iInput++) { - if (fDebug > 0) { - printf(" "); - printf("Add input stream %d\n",iInput); - } + AliDebug(1,Form("Add input stream %d",iInput)); - // check if the input tree exists + // Check if the input tree exists inrl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); - AliLoader* gime = inrl->GetLoader("TRDLoader"); - - TTree * treees = gime->TreeS(); - if (treees == 0x0) - { - if (gime->LoadSDigits()) - { - Error("Exec","Error Occured while loading S. Digits for input %d.",iInput); - return; - } - treees = gime->TreeS(); - } + AliLoader *gime = inrl->GetLoader("TRDLoader"); + + TTree *treees = gime->TreeS(); + if (treees == 0x0) { + if (gime->LoadSDigits()) { + AliError(Form("Error Occured while loading S. Digits for input %d.",iInput)); + return; + } + treees = gime->TreeS(); + } if (treees == 0x0) { - printf(" "); - printf("Input stream %d does not exist\n",iInput); + AliError(Form("Input stream %d does not exist",iInput)); return; } // Read the s-digits via digits manager sdigitsManager = new AliTRDdigitsManager(); - sdigitsManager->SetDebug(fDebug); sdigitsManager->SetSDigits(kTRUE); - AliRunLoader* rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); - AliLoader* gimme = rl->GetLoader("TRDLoader"); - if (!gimme->TreeS()) gimme->LoadSDigits(); - sdigitsManager->ReadDigits(gimme->TreeS()); + AliRunLoader *rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); + AliLoader *gimme = rl->GetLoader("TRDLoader"); + if (!gimme->TreeS()) + { + gimme->LoadSDigits(); + } + sdigitsManager->ReadDigits(gimme->TreeS()); + // Add the s-digits to the input list AddSDigitsManager(sdigitsManager); } // Convert the s-digits to normal digits - if (fDebug > 0) { - printf(" "); - printf("Do the conversion\n"); - } + AliDebug(1,"Do the conversion"); SDigits2Digits(); // Store the digits - if (fDebug > 0) { - printf(" "); - printf("Write the digits\n"); - } - + AliDebug(1,"Write the digits"); fDigitsManager->WriteDigits(); - //Write parameters + // Write parameters orl->CdGAFile(); - if (!gFile->Get("TRDparameter")) GetParameter()->Write(); - - if (fDebug > 0) { - printf(" "); - printf("Done\n"); - } + // Clean up DeleteSDigitsManager(); + AliDebug(1,"Done"); + } //_____________________________________________________________________________ @@ -447,69 +385,121 @@ Bool_t AliTRDdigitizer::Open(const Char_t *file, Int_t nEvent) // // Opens a ROOT-file with TRD-hits and reads in the hit-tree // - // Connect the AliRoot file containing Geometry, Kine, and Hits - + // TString evfoldname = AliConfig::GetDefaultEventFolderName(); + fRunLoader = AliRunLoader::GetRunLoader(evfoldname); - if (!fRunLoader) - fRunLoader = AliRunLoader::Open(file,AliConfig::GetDefaultEventFolderName(), - "UPDATE"); - - if (!fRunLoader) - { - Error("Open","Can not open session for file %s.",file); - return kFALSE; - } + if (!fRunLoader) { + fRunLoader = AliRunLoader::Open(file,evfoldname,"UPDATE"); + } + if (!fRunLoader) { + AliError(Form("Can not open session for file %s.",file)); + return kFALSE; + } - if (!fRunLoader->GetAliRun()) fRunLoader->LoadgAlice(); + if (!fRunLoader->GetAliRun()) { + fRunLoader->LoadgAlice(); + } gAlice = fRunLoader->GetAliRun(); if (gAlice) { - if (fDebug > 0) { - printf(" "); - printf("AliRun object found on file.\n"); - } + AliDebug(1,"AliRun object found on file."); } else { - printf(" "); - printf("Could not find AliRun object.\n"); + AliError("Could not find AliRun object."); return kFALSE; } fEvent = nEvent; - // Import the Trees for the event nEvent in the file - fRunLoader->GetEvent(fEvent); + AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); + if (!loader) { + AliError("Can not get TRD loader from Run Loader"); + return kFALSE; + } + + if (InitDetector()) { + TTree *tree = 0; + if (fSDigits) { + // If we produce SDigits + tree = loader->TreeS(); + if (!tree) { + loader->MakeTree("S"); + tree = loader->TreeS(); + } + } + else { + // If we produce Digits + tree = loader->TreeD(); + if (!tree) { + loader->MakeTree("D"); + tree = loader->TreeD(); + } + } + return MakeBranch(tree); + } + else { + return kFALSE; + } + +} + +//_____________________________________________________________________________ +Bool_t AliTRDdigitizer::Open(AliRunLoader * const runLoader, Int_t nEvent) +{ + // + // Opens a ROOT-file with TRD-hits and reads in the hit-tree + // + // Connect the AliRoot file containing Geometry, Kine, and Hits + // + + fRunLoader = runLoader; + if (!fRunLoader) { + AliError("RunLoader does not exist"); + return kFALSE; + } + + if (!fRunLoader->GetAliRun()) { + fRunLoader->LoadgAlice(); + } + gAlice = fRunLoader->GetAliRun(); - AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); - if (!loader) - { - Error("Open","Can not get TRD loader from Run Loader"); - return kFALSE; - } + if (gAlice) { + AliDebug(1,"AliRun object found on file."); + } + else { + AliError("Could not find AliRun object."); + return kFALSE; + } + + fEvent = nEvent; + + AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); + if (!loader) { + AliError("Can not get TRD loader from Run Loader"); + return kFALSE; + } if (InitDetector()) { - TTree* tree = 0; - if (fSDigits) - { - //if we produce SDigits - tree = loader->TreeS(); - if (!tree) - { - loader->MakeTree("S"); - tree = loader->TreeS(); - } - } - else - {//if we produce Digits - if (!tree) - { - loader->MakeTree("D"); - tree = loader->TreeD(); - } - } + TTree *tree = 0; + if (fSDigits) { + // If we produce SDigits + tree = loader->TreeS(); + if (!tree) { + loader->MakeTree("S"); + tree = loader->TreeS(); + } + } + else { + // If we produce Digits + tree = loader->TreeD(); + if (!tree) { + loader->MakeTree("D"); + tree = loader->TreeD(); + } + } return MakeBranch(tree); } else { @@ -528,44 +518,39 @@ Bool_t AliTRDdigitizer::InitDetector() // Get the pointer to the detector class and check for version 1 fTRD = (AliTRD *) gAlice->GetDetector("TRD"); if (!fTRD) { - printf(" "); - printf("No TRD module found\n"); + AliFatal("No TRD module found"); exit(1); } if (fTRD->IsVersion() != 1) { - printf(" "); - printf("TRD must be version 1 (slow simulator).\n"); + AliFatal("TRD must be version 1 (slow simulator)"); exit(1); } // Get the geometry - fGeo = fTRD->GetGeometry(); - if (fDebug > 0) { - printf(" "); - printf("Geometry version %d\n",fGeo->IsVersion()); - } + fGeo = new AliTRDgeometry(); // Create a digits manager - delete fDigitsManager; + if (fDigitsManager) { + delete fDigitsManager; + } fDigitsManager = new AliTRDdigitsManager(); fDigitsManager->SetSDigits(fSDigits); fDigitsManager->CreateArrays(); fDigitsManager->SetEvent(fEvent); - fDigitsManager->SetDebug(fDebug); // The list for the input s-digits manager to be merged if (fSDigitsManagerList) { fSDigitsManagerList->Delete(); - } else { + } + else { fSDigitsManagerList = new TList(); } return kTRUE; } - //_____________________________________________________________________________ -Bool_t AliTRDdigitizer::MakeBranch(TTree* tree) const +Bool_t AliTRDdigitizer::MakeBranch(TTree *tree) const { // // Create the branches for the digits array @@ -576,856 +561,936 @@ Bool_t AliTRDdigitizer::MakeBranch(TTree* tree) const } //_____________________________________________________________________________ -Bool_t AliTRDdigitizer::MakeDigits() +void AliTRDdigitizer::AddSDigitsManager(AliTRDdigitsManager *man) { // - // Creates digits. + // Add a digits manager for s-digits to the input list. // - /////////////////////////////////////////////////////////////// - // Parameter - /////////////////////////////////////////////////////////////// - - // Converts number of electrons to fC - const Double_t kEl2fC = 1.602E-19 * 1.0E15; - - /////////////////////////////////////////////////////////////// - - // Number of pads included in the pad response - const Int_t kNpad = 3; - - // Number of track dictionary arrays - const Int_t kNDict = AliTRDdigitsManager::kNDict; + fSDigitsManagerList->Add(man); - // Half the width of the amplification region - const Float_t kAmWidth = AliTRDgeometry::AmThick() / 2.; - // Width of the drit region - const Float_t kDrWidth = AliTRDgeometry::DrThick(); - - Int_t iRow, iCol, iTime, iPad; - Int_t iDict = 0; - Int_t nBytes = 0; +} - Int_t totalSizeDigits = 0; - Int_t totalSizeDict0 = 0; - Int_t totalSizeDict1 = 0; - Int_t totalSizeDict2 = 0; +//_____________________________________________________________________________ +void AliTRDdigitizer::DeleteSDigitsManager() +{ + // + // Removes digits manager from the input list. + // - Int_t timeBinTRFend = 1; + fSDigitsManagerList->Delete(); - Double_t pos[3]; - Double_t rot[3]; - Double_t xyz[3]; - Double_t padSignal[kNpad]; - Double_t signalOld[kNpad]; +} - AliTRDdataArrayF *signals = 0; - AliTRDdataArrayI *digits = 0; - AliTRDdataArrayI *dictionary[kNDict]; +//_____________________________________________________________________________ +Bool_t AliTRDdigitizer::MakeDigits() +{ + // + // Creates digits. + // - AliTRDpadPlane *padPlane = 0; + AliDebug(1,"Start creating digits"); - // Create a default parameter class if none is defined - if (!fPar) { - fPar = new AliTRDparameter("TRDparameter","Standard TRD parameter"); - if (fDebug > 0) { - printf(" "); - printf("Create the default parameter object\n"); - } - } - - AliTRDSimParam* simParam = AliTRDSimParam::Instance(); - if (!simParam) - { - printf(" "); - printf("Could not get simulation params\n"); - return kFALSE; - } - - AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance(); - if (!commonParam) - { - printf(" "); - printf("Could not get common params\n"); + if (!fGeo) { + AliError("No geometry defined"); return kFALSE; } - - // Create a container for the amplitudes - AliTRDsegmentArray *signalsArray - = new AliTRDsegmentArray("AliTRDdataArrayF" - ,AliTRDgeometry::Ndet()); - AliTRDcalibDB* calibration = AliTRDcalibDB::Instance(); - if (!calibration) - { - printf(" "); - printf("Could not get calibration object\n"); + AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); + if (!calibration) { + AliFatal("Could not get calibration object"); return kFALSE; } - if (simParam->TRFOn()) { - timeBinTRFend = ((Int_t) ( simParam->GetTRFhi() * calibration->GetSamplingFrequency())) - 1; - if (fDebug > 0) { - printf(" "); - printf("Sample the TRF up to bin %d\n",timeBinTRFend); - } - } - - Float_t elAttachProp = simParam->GetElAttachProp() / 100.; + const Int_t kNdet = AliTRDgeometry::Ndet(); - if (!fGeo) { - printf(" "); - printf("No geometry defined\n"); - return kFALSE; - } + Float_t **hits = new Float_t*[kNdet]; + Int_t *nhit = new Int_t[kNdet]; - if (fDebug > 0) { - printf(" "); - printf("Start creating digits.\n"); - } + AliTRDarraySignal *signals = 0x0; - AliLoader* gimme = fRunLoader->GetLoader("TRDLoader"); - if (!gimme->TreeH()) gimme->LoadHits(); - TTree* hitTree = gimme->TreeH(); - if (hitTree == 0x0) - { - Error("MakeDigits","Can not get TreeH"); - return kFALSE; - } - fTRD->SetTreeAddress(); - - // Get the number of entries in the hit tree - // (Number of primary particles creating a hit somewhere) - Int_t nTrack = 1; - if (!fSimpleSim) { - nTrack = (Int_t) hitTree->GetEntries(); - if (fDebug > 0) { - printf(" "); - printf("Found %d primary particles\n",nTrack); - } + // + if (calibration->GetNumberOfTimeBinsDCS() != AliTRDSimParam::Instance()->GetNTimeBins()) { + AliWarning(Form("Number of time bins is different to OCDB value [SIM=%d, OCDB=%d]" + ,AliTRDSimParam::Instance()->GetNTimeBins() + ,calibration->GetNumberOfTimeBinsDCS())); } - - Int_t detectorOld = -1; - Int_t countHits = 0; - - if (fDebug > 0) { - printf(" Sampling = %.0fMHz\n", calibration->GetSamplingFrequency()); - printf(" Gain = %d\n",(Int_t)simParam->GetGasGain()); - printf(" Noise = %d\n",(Int_t)simParam->GetNoise()); - if (simParam->TimeStructOn()) { - printf(" "); - printf("Time Structure of drift cells implemented.\n"); - } else { - printf(" "); - printf("Constant drift velocity in drift cells.\n"); - } + + // Sort all hits according to detector number + if (!SortHits(hits,nhit)) { + AliError("Sorting hits failed"); + return kFALSE; } - - Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); - Float_t samplingRate = calibration->GetSamplingFrequency(); - // Loop through all entries in the tree - for (Int_t iTrack = 0; iTrack < nTrack; iTrack++) { + // Loop through all detectors + for (Int_t det = 0; det < kNdet; det++) { - if (!fSimpleSim) { - gAlice->ResetHits(); - nBytes += hitTree->GetEvent(iTrack); - } + // Detectors that are switched off, not installed, etc. + if (( calibration->IsChamberInstalled(det)) && + (!calibration->IsChamberMasked(det)) && + ( fGeo->ChamberInGeometry(det)) && + (nhit[det] > 0)) { - // Loop through the TRD hits - Int_t iHit = 0; - AliTRDhit *hit = (AliTRDhit *) fTRD->FirstHit(-1); - while (hit) { - - countHits++; - iHit++; - - pos[0] = hit->X(); - pos[1] = hit->Y(); - pos[2] = hit->Z(); - Float_t q = hit->GetCharge(); - Int_t track = hit->Track(); - Int_t detector = hit->GetDetector(); - Int_t plane = fGeo->GetPlane(detector); - Int_t sector = fGeo->GetSector(detector); - Int_t chamber = fGeo->GetChamber(detector); - Float_t time0 = AliTRDgeometry::GetTime0(plane); - - padPlane = commonParam->GetPadPlane(plane,chamber); - Float_t row0 = padPlane->GetRow0(); - Float_t col0 = padPlane->GetCol0(); - Int_t nRowMax = padPlane->GetNrows(); - Int_t nColMax = padPlane->GetNcols(); - - if (fDebug > 1) { - printf("Analyze hit no. %d ",iHit); - printf("-----------------------------------------------------------\n"); - hit->Dump(); - printf("plane = %d, sector = %d, chamber = %d\n" - ,plane,sector,chamber); - printf("nRowMax = %d, nColMax = %d\n" - ,nRowMax,nColMax); - printf("nTimeTotal = %d\n" - ,nTimeTotal); - printf("row0 = %f, col0 = %f, time0 = %f\n" - ,row0,col0,time0); - printf("samplingRate = %f\n" - ,samplingRate); + signals = new AliTRDarraySignal(); + + // Convert the hits of the current detector to detector signals + if (!ConvertHits(det,hits[det],nhit[det],signals)) { + AliError(Form("Conversion of hits failed for detector=%d",det)); + return kFALSE; + } + // Convert the detector signals to digits or s-digits + if (!ConvertSignals(det,signals)) { + AliError(Form("Conversion of signals failed for detector=%d",det)); + return kFALSE; } - - // Don't analyze test hits and switched off detectors - if ((CheckDetector(plane,chamber,sector)) && - (((Int_t) q) != 0)) { - if (detector != detectorOld) { + // Delete the signals array + delete signals; + signals = 0x0; - if (fDebug > 1) { - printf(" "); - printf("Get new container. New det = %d, Old det = %d\n" - ,detector,detectorOld); - } - // Compress the old one if enabled - if ((fCompress) && (detectorOld > -1)) { - if (fDebug > 1) { - printf(" "); - printf("Compress the old container ..."); - } - signals->Compress(1,0); - for (iDict = 0; iDict < kNDict; iDict++) { - dictionary[iDict]->Compress(1,0); - } - if (fDebug > 1) printf("done\n"); - } - // Get the new container - signals = (AliTRDdataArrayF *) signalsArray->At(detector); - if (signals->GetNtime() == 0) { - // Allocate a new one if not yet existing - if (fDebug > 1) { - printf(" "); - printf("Allocate a new container ... "); - } - signals->Allocate(nRowMax,nColMax,nTimeTotal); - } - else if (fSimpleSim) { - // Clear an old one for the simple simulation - if (fDebug > 1) { - printf(" "); - printf("Clear a old container ... "); - } - signals->Clear(); - } - else { - // Expand an existing one - if (fCompress) { - if (fDebug > 1) { - printf(" "); - printf("Expand an existing container ... "); - } - signals->Expand(); - } - } - // The same for the dictionary - if (!fSimpleSim) { - for (iDict = 0; iDict < kNDict; iDict++) { - dictionary[iDict] = fDigitsManager->GetDictionary(detector,iDict); - if (dictionary[iDict]->GetNtime() == 0) { - dictionary[iDict]->Allocate(nRowMax,nColMax,nTimeTotal); - } - else { - if (fCompress) dictionary[iDict]->Expand(); - } - } - } - if (fDebug > 1) printf("done\n"); - detectorOld = detector; - } + } // if: detector status - // Rotate the sectors on top of each other - if (fSimpleSim) { - rot[0] = pos[0]; - rot[1] = pos[1]; - rot[2] = pos[2]; - } - else { - fGeo->Rotate(detector,pos,rot); - } + delete [] hits[det]; - // The driftlength. It is negative if the hit is between pad plane and anode wires. - Double_t driftlength = time0 - rot[0]; - - // Loop over all electrons of this hit - // TR photons produce hits with negative charge - Int_t nEl = ((Int_t) TMath::Abs(q)); - for (Int_t iEl = 0; iEl < nEl; iEl++) { - - xyz[0] = rot[0]; - xyz[1] = rot[1]; - xyz[2] = rot[2]; - - // Stupid patch to take care of TR photons that are absorbed - // outside the chamber volume. A real fix would actually need - // a more clever implementation of the TR hit generation - if (q < 0.0) { - if ((xyz[2] < padPlane->GetRowEnd()) || - (xyz[2] > padPlane->GetRow0())) { - if (iEl == 0) { - printf(" "); - printf("Hit outside of sensitive volume, row (z=%f, row0=%f, rowE=%f)\n" - ,xyz[2],padPlane->GetRow0(),padPlane->GetRowEnd()); - } - continue; - } - Float_t tt = driftlength + kAmWidth; - if (tt < 0.0 || tt > kDrWidth + 2.*kAmWidth) { - if (iEl == 0) { - printf(" "); - printf("Hit outside of sensitive volume, time (Q = %d)\n",((Int_t) q)); - } - continue; - } - } + } // for: detector - // Get row and col of unsmeared electron to retrieve drift velocity - // The pad row (z-direction) - Int_t rowE = padPlane->GetPadRowNumber(xyz[2]); - if (rowE < 0) continue; - Double_t rowOffset = padPlane->GetPadRowOffset(rowE,xyz[2]); - - // The pad column (rphi-direction) - Float_t offsetTilt = padPlane->GetTiltOffset(rowOffset); // MI change - Int_t colE = padPlane->GetPadColNumber(xyz[1]+offsetTilt,rowOffset); - if (colE < 0) continue; - Double_t colOffset = padPlane->GetPadColOffset(colE,xyz[1]+offsetTilt); - - Float_t driftvelocity = calibration->GetVdrift(detector, colE, rowE); - - // Normalised drift length - Double_t absdriftlength = TMath::Abs(driftlength); - if (commonParam->ExBOn()) - absdriftlength /= TMath::Sqrt(GetLorentzFactor(driftvelocity)); - - // Electron attachment - if (simParam->ElAttachOn()) { - if (gRandom->Rndm() < (absdriftlength * elAttachProp)) continue; - } - - // Apply the diffusion smearing - if (simParam->DiffusionOn()) { - if (!(Diffusion(driftvelocity, absdriftlength,xyz))) continue; - } + delete [] hits; + delete [] nhit; - // Apply E x B effects (depends on drift direction) - if (commonParam->ExBOn()) { - if (!(ExB(driftvelocity, driftlength,xyz))) continue; - } + // Save the values for the raw data headers + fDigitsManager->GetDigitsParam()->SetNTimeBins(AliTRDSimParam::Instance()->GetNTimeBins()); + fDigitsManager->GetDigitsParam()->SetADCbaseline(AliTRDSimParam::Instance()->GetADCbaseline()); - // The electron position after diffusion and ExB in pad coordinates. - // The pad row (z-direction) - rowE = padPlane->GetPadRowNumber(xyz[2]); - if (rowE < 0) continue; - rowOffset = padPlane->GetPadRowOffset(rowE,xyz[2]); - - // The pad column (rphi-direction) - offsetTilt = padPlane->GetTiltOffset(rowOffset); // MI change - colE = padPlane->GetPadColNumber(xyz[1]+offsetTilt,rowOffset); - if (colE < 0) continue; - colOffset = padPlane->GetPadColOffset(colE,xyz[1]+offsetTilt); - - // also re-retrieve drift velocity because col and row may have changed - driftvelocity = calibration->GetVdrift(detector, colE, rowE); - Float_t t0 = calibration->GetT0(detector, colE, rowE); - - // Convert the position to drift time, using either constant drift velocity or - // time structure of drift cells (non-isochronity, GARFIELD calculation). - Double_t drifttime; - if (simParam->TimeStructOn()) { - // Get z-position with respect to anode wire: - //Double_t Z = xyz[2] - row0 + simParam->GetAnodeWireOffset(); - Double_t Z = row0 - xyz[2] + simParam->GetAnodeWireOffset(); - Z -= ((Int_t)(2*Z))/2.; - if (Z>0.25) Z = 0.5-Z; - // use drift time map (GARFIELD) - drifttime = TimeStruct(driftvelocity, time0 - xyz[0] + kAmWidth, Z); - } - else { - // use constant drift velocity - drifttime = TMath::Abs(time0 - xyz[0]) / driftvelocity; - } + return kTRUE; - // Apply the gas gain including fluctuations - Double_t ggRndm = 0.0; - do { - ggRndm = gRandom->Rndm(); - } while (ggRndm <= 0); - Int_t signal = (Int_t) (-(simParam->GetGasGain()) * TMath::Log(ggRndm)); - - // Apply the pad response - if (commonParam->PRFOn()) { - // The distance of the electron to the center of the pad - // in units of pad width - //Double_t dist = - colOffset / padPlane->GetColSize(colE); - Double_t dist = (0.5 * padPlane->GetColSize(colE) - colOffset) - / padPlane->GetColSize(colE); - if (!(calibration->PadResponse(signal,dist,plane,padSignal))) continue; - } - else { - padSignal[0] = 0.0; - padSignal[1] = signal; - padSignal[2] = 0.0; - } +} - // The time bin (always positive), with t0 correction - Double_t timeBinIdeal = drifttime * samplingRate + t0; - Int_t timeBinTruncated = (Int_t) timeBinIdeal; - // The distance of the position to the middle of the timebin - Double_t timeOffset = ((Float_t) timeBinTruncated + 0.5 - timeBinIdeal) / samplingRate; - - // Sample the time response inside the drift region - // + additional time bins before and after. - // The sampling is done always in the middle of the time bin - for (Int_t iTimeBin = TMath::Max(timeBinTruncated, 0); - iTimeBin < TMath::Min(timeBinTruncated+timeBinTRFend,nTimeTotal); - iTimeBin++) { - - // Apply the time response - Double_t timeResponse = 1.0; - Double_t crossTalk = 0.0; - Double_t time = (iTimeBin - timeBinTruncated) / samplingRate + timeOffset; - if (simParam->TRFOn()) { - timeResponse = simParam->TimeResponse(time); - } - - if (simParam->CTOn()) { - crossTalk = simParam->CrossTalk(time); - } +//_____________________________________________________________________________ +Bool_t AliTRDdigitizer::SortHits(Float_t **hits, Int_t *nhit) +{ + // + // Read all the hits and sorts them according to detector number + // in the output array . + // - signalOld[0] = 0.0; - signalOld[1] = 0.0; - signalOld[2] = 0.0; - - for (iPad = 0; iPad < kNpad; iPad++) { - - Int_t colPos = colE + iPad - 1; - if (colPos < 0) continue; - if (colPos >= nColMax) break; - - // Add the signals - Int_t iCurrentTimeBin = iTimeBin; - signalOld[iPad] = signals->GetDataUnchecked(rowE,colPos,iCurrentTimeBin); - if( colPos != colE ) { - signalOld[iPad] += padSignal[iPad] * (timeResponse + crossTalk); - } - else { - signalOld[iPad] += padSignal[iPad] * timeResponse; - } - signals->SetDataUnchecked(rowE,colPos,iCurrentTimeBin,signalOld[iPad]); - - // Store the track index in the dictionary - // Note: We store index+1 in order to allow the array to be compressed - if ((signalOld[iPad] > 0) && (!fSimpleSim)) { - for (iDict = 0; iDict < kNDict; iDict++) { - Int_t oldTrack = dictionary[iDict]->GetDataUnchecked(rowE - ,colPos - ,iCurrentTimeBin); - if (oldTrack == track+1) break; - if (oldTrack == 0) { - dictionary[iDict]->SetDataUnchecked(rowE,colPos,iCurrentTimeBin,track+1); - break; - } - } - } - - } // Loop: pads - - } // Loop: time bins - - } // Loop: electrons of a single hit - - } // If: detector and test hit + AliDebug(1,"Start sorting hits"); - hit = (AliTRDhit *) fTRD->NextHit(); + const Int_t kNdet = AliTRDgeometry::Ndet(); + // Size of the hit vector + const Int_t kNhit = 6; - } // Loop: hits of one primary track + Float_t *xyz = 0; + Int_t nhitTrk = 0; - } // Loop: primary tracks + Int_t *lhit = new Int_t[kNdet]; - if (fDebug > 0) { - printf(" "); - printf("Finished analyzing %d hits\n",countHits); + for (Int_t det = 0; det < kNdet; det++) { + lhit[det] = 0; + nhit[det] = 0; + hits[det] = 0; } - // The coupling factor - Double_t coupling = simParam->GetPadCoupling() - * simParam->GetTimeCoupling(); - - // The conversion factor - Double_t convert = kEl2fC - * simParam->GetChipGain(); - - // Loop through all chambers to finalize the digits - Int_t iDetBeg = 0; - Int_t iDetEnd = AliTRDgeometry::Ndet(); - if (fSimpleSim) { - iDetBeg = fSimpleDet; - iDetEnd = iDetBeg + 1; + AliLoader *gimme = fRunLoader->GetLoader("TRDLoader"); + if (!gimme->TreeH()) { + gimme->LoadHits(); + } + TTree *hitTree = gimme->TreeH(); + if (hitTree == 0x0) { + AliError("Can not get TreeH"); + return kFALSE; } - for (Int_t iDet = iDetBeg; iDet < iDetEnd; iDet++) { + fTRD->SetTreeAddress(); - Int_t plane = fGeo->GetPlane(iDet); - Int_t sector = fGeo->GetSector(iDet); - Int_t chamber = fGeo->GetChamber(iDet); - Int_t nRowMax = commonParam->GetRowMax(plane,chamber,sector); - Int_t nColMax = commonParam->GetColMax(plane); + // Get the number of entries in the hit tree + // (Number of primary particles creating a hit somewhere) + Int_t nTrk = (Int_t) hitTree->GetEntries(); + AliDebug(1,Form("Found %d tracks",nTrk)); - Double_t *inADC = new Double_t[nTimeTotal]; - Double_t *outADC = new Double_t[nTimeTotal]; + // Loop through all the tracks in the tree + for (Int_t iTrk = 0; iTrk < nTrk; iTrk++) { - if (fDebug > 0) { - printf(" "); - printf("Digitization for chamber %d\n",iDet); - } + gAlice->GetMCApp()->ResetHits(); + hitTree->GetEvent(iTrk); - // Add a container for the digits of this detector - digits = fDigitsManager->GetDigits(iDet); - // Allocate memory space for the digits buffer - if (digits->GetNtime() == 0) { - digits->Allocate(nRowMax,nColMax,nTimeTotal); - } - else if (fSimpleSim) { - digits->Clear(); - } - - // Get the signal container - signals = (AliTRDdataArrayF *) signalsArray->At(iDet); - if (signals->GetNtime() == 0) { - // Create missing containers - signals->Allocate(nRowMax,nColMax,nTimeTotal); - } - else { - // Expand the container if neccessary - if (fCompress) signals->Expand(); - } - // Create the missing dictionary containers - if (!fSimpleSim) { - for (iDict = 0; iDict < kNDict; iDict++) { - dictionary[iDict] = fDigitsManager->GetDictionary(iDet,iDict); - if (dictionary[iDict]->GetNtime() == 0) { - dictionary[iDict]->Allocate(nRowMax,nColMax,nTimeTotal); - } - } + if (!fTRD->Hits()) { + AliError(Form("No hits array for track = %d",iTrk)); + continue; } - Int_t nDigits = 0; - - // Don't create noise in detectors that are switched off - if (CheckDetector(plane,chamber,sector)) { - - // Create the digits for this chamber - for (iRow = 0; iRow < nRowMax; iRow++ ) { - for (iCol = 0; iCol < nColMax; iCol++ ) { + // Number of hits for this track + nhitTrk = fTRD->Hits()->GetEntriesFast(); - // Create summable digits - if (fSDigits) { - - for (iTime = 0; iTime < nTimeTotal; iTime++) { - Float_t signalAmp = signals->GetDataUnchecked(iRow,iCol,iTime); - signalAmp *= fSDigitsScale; - signalAmp = TMath::Min(signalAmp,(Float_t) 1.0e9); - Int_t adc = (Int_t) signalAmp; - if (adc > 0) nDigits++; - digits->SetDataUnchecked(iRow,iCol,iTime,adc); - } + Int_t hitCnt = 0; + // Loop through the TRD hits + AliTRDhit *hit = (AliTRDhit *) fTRD->FirstHit(-1); + while (hit) { + hitCnt++; + + // Don't analyze test hits + if (((Int_t) hit->GetCharge()) != 0) { + + Int_t trk = hit->Track(); + Int_t det = hit->GetDetector(); + Int_t q = hit->GetCharge(); + Float_t x = hit->X(); + Float_t y = hit->Y(); + Float_t z = hit->Z(); + Float_t time = hit->GetTime(); + + if (nhit[det] == lhit[det]) { + // Inititialization of new detector + xyz = new Float_t[kNhit*(nhitTrk+lhit[det])]; + if (hits[det]) { + memcpy(xyz,hits[det],sizeof(Float_t)*kNhit*lhit[det]); + delete [] hits[det]; } - // Create normal digits - else { + lhit[det] += nhitTrk; + hits[det] = xyz; + } + else { + xyz = hits[det]; + } + xyz[nhit[det]*kNhit+0] = x; + xyz[nhit[det]*kNhit+1] = y; + xyz[nhit[det]*kNhit+2] = z; + xyz[nhit[det]*kNhit+3] = q; + xyz[nhit[det]*kNhit+4] = trk; + xyz[nhit[det]*kNhit+5] = time; + nhit[det]++; - for (iTime = 0; iTime < nTimeTotal; iTime++) { - Float_t signalAmp = signals->GetDataUnchecked(iRow,iCol,iTime); - // Pad and time coupling - signalAmp *= coupling; - // Add the noise, starting from minus ADC baseline in electrons - Double_t baselineEl = simParam->GetADCbaseline() * (simParam->GetADCinRange() - / simParam->GetADCoutRange()) - / convert; - signalAmp = TMath::Max((Double_t) gRandom->Gaus(signalAmp,simParam->GetNoise()) - ,-baselineEl); - // Convert to mV - signalAmp *= convert; - // Add ADC baseline in mV - signalAmp += simParam->GetADCbaseline() * (simParam->GetADCinRange() - / simParam->GetADCoutRange()); - // Convert to ADC counts. Set the overflow-bit fADCoutRange if the - // signal is larger than fADCinRange - Int_t adc = 0; - if (signalAmp >= simParam->GetADCinRange()) { - adc = ((Int_t) simParam->GetADCoutRange()); - } - else { - adc = ((Int_t) (signalAmp * (simParam->GetADCoutRange() - / simParam->GetADCinRange()))); - } - inADC[iTime] = adc; - outADC[iTime] = adc; - } - - // Apply the tail cancelation via the digital filter - if (simParam->TCOn()) { - DeConvExp(inADC,outADC,nTimeTotal,simParam->GetTCnexp()); - } - - for (iTime = 0; iTime < nTimeTotal; iTime++) { - // Store the amplitude of the digit if above threshold - if (outADC[iTime] > simParam->GetADCthreshold()) { - if (fDebug > 2) { - printf(" iRow = %d, iCol = %d, iTime = %d, adc = %f\n" - ,iRow,iCol,iTime,outADC[iTime]); - } - nDigits++; - digits->SetDataUnchecked(iRow,iCol,iTime,((Int_t) outADC[iTime])); - } - } + } // if: charge != 0 - } + hit = (AliTRDhit *) fTRD->NextHit(); - } + } // for: hits of one track + + } // for: tracks + + delete [] lhit; + + return kTRUE; + +} + +//_____________________________________________________________________________ +Bool_t AliTRDdigitizer::ConvertHits(Int_t det + , const Float_t * const hits + , Int_t nhit + , AliTRDarraySignal *signals) +{ + // + // Converts the detectorwise sorted hits to detector signals + // + + AliDebug(1,Form("Start converting hits for detector=%d (nhits=%d)",det,nhit)); + + // Number of pads included in the pad response + const Int_t kNpad = 3; + // Number of track dictionary arrays + const Int_t kNdict = AliTRDdigitsManager::kNDict; + // Size of the hit vector + const Int_t kNhit = 6; + + // Width of the amplification region + const Float_t kAmWidth = AliTRDgeometry::AmThick(); + // Width of the drift region + const Float_t kDrWidth = AliTRDgeometry::DrThick(); + // Drift + amplification region + const Float_t kDrMin = - 0.5 * kAmWidth; + const Float_t kDrMax = kDrWidth + 0.5 * kAmWidth; + + Int_t iPad = 0; + Int_t dict = 0; + Int_t timeBinTRFend = 1; + + Double_t pos[3]; + Double_t loc[3]; + Double_t padSignal[kNpad]; + Double_t signalOld[kNpad]; + + AliTRDarrayDictionary *dictionary[kNdict]; + + AliTRDSimParam *simParam = AliTRDSimParam::Instance(); + AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance(); + AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); + + if (!commonParam) { + AliFatal("Could not get common parameterss"); + return kFALSE; + } + if (!simParam) { + AliFatal("Could not get simulation parameters"); + return kFALSE; + } + if (!calibration) { + AliFatal("Could not get calibration object"); + return kFALSE; + } + + // Get the detector wise calibration objects + AliTRDCalROC *calVdriftROC = 0; + Float_t calVdriftDetValue = 0.0; + const AliTRDCalDet *calVdriftDet = calibration->GetVdriftDet(); + AliTRDCalROC *calT0ROC = 0; + Float_t calT0DetValue = 0.0; + const AliTRDCalDet *calT0Det = calibration->GetT0Det(); + + if (simParam->TRFOn()) { + timeBinTRFend = ((Int_t) (simParam->GetTRFhi() + * commonParam->GetSamplingFrequency())) - 1; + } + + Int_t nTimeTotal = simParam->GetNTimeBins(); + Float_t samplingRate = commonParam->GetSamplingFrequency(); + Float_t elAttachProp = simParam->GetElAttachProp() / 100.0; + + AliTRDpadPlane *padPlane = fGeo->GetPadPlane(det); + Int_t layer = fGeo->GetLayer(det); //update + Float_t row0 = padPlane->GetRow0ROC(); + Int_t nRowMax = padPlane->GetNrows(); + Int_t nColMax = padPlane->GetNcols(); + + // Create a new array for the signals + signals->Allocate(nRowMax,nColMax,nTimeTotal); + + // Create a new array for the dictionary + for (dict = 0; dict < kNdict; dict++) { + dictionary[dict] = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); + dictionary[dict]->Allocate(nRowMax,nColMax,nTimeTotal); + } + + // Loop through the hits in this detector + for (Int_t hit = 0; hit < nhit; hit++) { + + pos[0] = hits[hit*kNhit+0]; + pos[1] = hits[hit*kNhit+1]; + pos[2] = hits[hit*kNhit+2]; + Float_t q = hits[hit*kNhit+3]; + Float_t hittime = hits[hit*kNhit+5]; + Int_t track = ((Int_t) hits[hit*kNhit+4]); + + Int_t inDrift = 1; + + // Find the current volume with the geo manager + gGeoManager->SetCurrentPoint(pos); + gGeoManager->FindNode(); + if (strstr(gGeoManager->GetPath(),"/UK")) { + inDrift = 0; + } + + // Get the calibration objects + calVdriftROC = calibration->GetVdriftROC(det); + calVdriftDetValue = calVdriftDet->GetValue(det); + calT0ROC = calibration->GetT0ROC(det); + calT0DetValue = calT0Det->GetValue(det); + + // Go to the local coordinate system: + // loc[0] - col direction in amplification or driftvolume + // loc[1] - row direction in amplification or driftvolume + // loc[2] - time direction in amplification or driftvolume + gGeoManager->MasterToLocal(pos,loc); + if (inDrift) { + // Relative to middle of amplification region + loc[2] = loc[2] - kDrWidth/2.0 - kAmWidth/2.0; + } + + // The driftlength [cm] (w/o diffusion yet !). + // It is negative if the hit is between pad plane and anode wires. + Double_t driftlength = -1.0 * loc[2]; + + // Stupid patch to take care of TR photons that are absorbed + // outside the chamber volume. A real fix would actually need + // a more clever implementation of the TR hit generation + if (q < 0.0) { + if ((loc[1] < padPlane->GetRowEndROC()) || + (loc[1] > padPlane->GetRow0ROC())) { + continue; + } + if ((driftlength < kDrMin) || + (driftlength > kDrMax)) { + continue; } + } + // Get row and col of unsmeared electron to retrieve drift velocity + // The pad row (z-direction) + Int_t rowE = padPlane->GetPadRowNumberROC(loc[1]); + if (rowE < 0) { + continue; + } + Double_t rowOffset = padPlane->GetPadRowOffsetROC(rowE,loc[1]); + // The pad column (rphi-direction) + Double_t offsetTilt = padPlane->GetTiltOffset(rowOffset); + Int_t colE = padPlane->GetPadColNumber(loc[0]+offsetTilt); + if (colE < 0) { + continue; } + Double_t colOffset = 0.0; - // Compress the arrays - if (!fSimpleSim) { - digits->Compress(1,0); - for (iDict = 0; iDict < kNDict; iDict++) { - dictionary[iDict]->Compress(1,0); + // Normalized drift length + Float_t driftvelocity = calVdriftDetValue * calVdriftROC->GetValue(colE,rowE); + Double_t absdriftlength = TMath::Abs(driftlength); + if (commonParam->ExBOn()) { + absdriftlength /= TMath::Sqrt(GetLorentzFactor(driftvelocity)); + } + + // Loop over all electrons of this hit + // TR photons produce hits with negative charge + Int_t nEl = ((Int_t) TMath::Abs(q)); + for (Int_t iEl = 0; iEl < nEl; iEl++) { + + // Now the real local coordinate system of the ROC + // column direction: locC + // row direction: locR + // time direction: locT + // locR and locC are identical to the coordinates of the corresponding + // volumina of the drift or amplification region. + // locT is defined relative to the wire plane (i.e. middle of amplification + // region), meaning locT = 0, and is negative for hits coming from the + // drift region. + Double_t locC = loc[0]; + Double_t locR = loc[1]; + Double_t locT = loc[2]; + + // Electron attachment + if (simParam->ElAttachOn()) { + if (gRandom->Rndm() < (absdriftlength * elAttachProp)) { + continue; + } + } + + // Apply the diffusion smearing + if (simParam->DiffusionOn()) { + if (!(Diffusion(driftvelocity,absdriftlength,locR,locC,locT))) { + continue; + } } - totalSizeDigits += digits->GetSize(); - totalSizeDict0 += dictionary[0]->GetSize(); - totalSizeDict1 += dictionary[1]->GetSize(); - totalSizeDict2 += dictionary[2]->GetSize(); - - Float_t nPixel = nRowMax * nColMax * nTimeTotal; - if (fDebug > 0) { - printf(" "); - printf("Found %d digits in detector %d (%3.0f).\n" - ,nDigits,iDet - ,100.0 * ((Float_t) nDigits) / nPixel); + // Apply E x B effects (depends on drift direction) + if (commonParam->ExBOn()) { + if (!(ExB(driftvelocity,driftlength,locC))) { + continue; + } + } + + // The electron position after diffusion and ExB in pad coordinates. + // The pad row (z-direction) + rowE = padPlane->GetPadRowNumberROC(locR); + if (rowE < 0) continue; + rowOffset = padPlane->GetPadRowOffsetROC(rowE,locR); + + // The pad column (rphi-direction) + offsetTilt = padPlane->GetTiltOffset(rowOffset); + colE = padPlane->GetPadColNumber(locC+offsetTilt); + if (colE < 0) continue; + colOffset = padPlane->GetPadColOffset(colE,locC+offsetTilt); + + // Also re-retrieve drift velocity because col and row may have changed + driftvelocity = calVdriftDetValue * calVdriftROC->GetValue(colE,rowE); + Float_t t0 = calT0DetValue + calT0ROC->GetValue(colE,rowE); + + // Convert the position to drift time [mus], using either constant drift velocity or + // time structure of drift cells (non-isochronity, GARFIELD calculation). + // Also add absolute time of hits to take pile-up events into account properly + Double_t drifttime; + if (simParam->TimeStructOn()) { + // Get z-position with respect to anode wire + Double_t zz = row0 - locR + padPlane->GetAnodeWireOffset(); + zz -= ((Int_t)(2 * zz)) / 2.0; + if (zz > 0.25) { + zz = 0.5 - zz; + } + // Use drift time map (GARFIELD) + drifttime = commonParam->TimeStruct(driftvelocity,0.5*kAmWidth-1.0*locT,zz) + + hittime; } + else { + // Use constant drift velocity + drifttime = TMath::Abs(locT) / driftvelocity + + hittime; + } - if (fCompress) signals->Compress(1,0); + // Apply the gas gain including fluctuations + Double_t ggRndm = 0.0; + do { + ggRndm = gRandom->Rndm(); + } while (ggRndm <= 0); + Double_t signal = -(simParam->GetGasGain()) * TMath::Log(ggRndm); + + // Apply the pad response + if (simParam->PRFOn()) { + // The distance of the electron to the center of the pad + // in units of pad width + Double_t dist = (colOffset - 0.5*padPlane->GetColSize(colE)) + / padPlane->GetColSize(colE); + // This is a fixed parametrization, i.e. not dependent on + // calibration values ! + if (!(calibration->PadResponse(signal,dist,layer,padSignal))) continue; + } + else { + padSignal[0] = 0.0; + padSignal[1] = signal; + padSignal[2] = 0.0; + } - } + // The time bin (always positive), with t0 distortion + Double_t timeBinIdeal = drifttime * samplingRate + t0; + // Protection + if (TMath::Abs(timeBinIdeal) > 2*nTimeTotal) { + timeBinIdeal = 2 * nTimeTotal; + } + Int_t timeBinTruncated = ((Int_t) timeBinIdeal); + // The distance of the position to the middle of the timebin + Double_t timeOffset = ((Float_t) timeBinTruncated + + 0.5 - timeBinIdeal) / samplingRate; + + // Sample the time response inside the drift region + // + additional time bins before and after. + // The sampling is done always in the middle of the time bin + for (Int_t iTimeBin = TMath::Max(timeBinTruncated,0) + ;iTimeBin < TMath::Min(timeBinTruncated+timeBinTRFend,nTimeTotal) + ;iTimeBin++) { + + // Apply the time response + Double_t timeResponse = 1.0; + Double_t crossTalk = 0.0; + Double_t time = (iTimeBin - timeBinTruncated) / samplingRate + timeOffset; + + if (simParam->TRFOn()) { + timeResponse = simParam->TimeResponse(time); + } + if (simParam->CTOn()) { + crossTalk = simParam->CrossTalk(time); + } - delete [] inADC; - delete [] outADC; + signalOld[0] = 0.0; + signalOld[1] = 0.0; + signalOld[2] = 0.0; - } + for (iPad = 0; iPad < kNpad; iPad++) { - if (signalsArray) { - delete signalsArray; - signalsArray = 0; - } + Int_t colPos = colE + iPad - 1; + if (colPos < 0) continue; + if (colPos >= nColMax) break; - if (fDebug > 0) { - printf(" "); - printf("Total number of analyzed hits = %d\n",countHits); - if (!fSimpleSim) { - printf(" "); - printf("Total digits data size = %d, %d, %d, %d\n",totalSizeDigits - ,totalSizeDict0 - ,totalSizeDict1 - ,totalSizeDict2); - } - } + // Add the signals + signalOld[iPad] = signals->GetData(rowE,colPos,iTimeBin); + + if (colPos != colE) { + // Cross talk added to non-central pads + signalOld[iPad] += padSignal[iPad] + * (timeResponse + crossTalk); + } + else { + // W/o cross talk at central pad + signalOld[iPad] += padSignal[iPad] + * timeResponse; + } + + signals->SetData(rowE,colPos,iTimeBin,signalOld[iPad]); + + // Store the track index in the dictionary + // Note: We store index+1 in order to allow the array to be compressed + // Note2: Taking out the +1 in track + if (signalOld[iPad] > 0.0) { + for (dict = 0; dict < kNdict; dict++) { + Int_t oldTrack = dictionary[dict]->GetData(rowE,colPos,iTimeBin); + if (oldTrack == track) break; + if (oldTrack == -1 ) { + dictionary[dict]->SetData(rowE,colPos,iTimeBin,track); + break; + } + } + } + + } // Loop: pads + + } // Loop: time bins + + } // Loop: electrons of a single hit + + } // Loop: hits + + AliDebug(2,Form("Finished analyzing %d hits",nhit)); return kTRUE; } //_____________________________________________________________________________ -void AliTRDdigitizer::AddSDigitsManager(AliTRDdigitsManager *man) +Bool_t AliTRDdigitizer::ConvertSignals(Int_t det, AliTRDarraySignal *signals) { // - // Add a digits manager for s-digits to the input list. + // Convert signals to digits // - fSDigitsManagerList->Add(man); + AliDebug(1,Form("Start converting the signals for detector %d",det)); + + if (fSDigits) { + // Convert the signal array to s-digits + if (!Signal2SDigits(det,signals)) { + return kFALSE; + } + } + else { + // Convert the signal array to digits + if (!Signal2ADC(det,signals)) { + return kFALSE; + } + // Run digital processing for digits + RunDigitalProcessing(det); + } + + // Compress the arrays + CompressOutputArrays(det); + + return kTRUE; } //_____________________________________________________________________________ -void AliTRDdigitizer::DeleteSDigitsManager() +Bool_t AliTRDdigitizer::Signal2ADC(Int_t det, AliTRDarraySignal *signals) { // - // Removes digits manager from the input list. + // Converts the sampled electron signals to ADC values for a given chamber // - fSDigitsManagerList->Delete(); + AliDebug(1,Form("Start converting signals to ADC values for detector=%d",det)); + + AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); + if (!calibration) { + AliFatal("Could not get calibration object"); + return kFALSE; + } + + AliTRDSimParam *simParam = AliTRDSimParam::Instance(); + if (!simParam) { + AliFatal("Could not get simulation parameters"); + return kFALSE; + } + + // Converts number of electrons to fC + const Double_t kEl2fC = 1.602e-19 * 1.0e15; + + // Coupling factor + Double_t coupling = simParam->GetPadCoupling() + * simParam->GetTimeCoupling(); + // Electronics conversion factor + Double_t convert = kEl2fC + * simParam->GetChipGain(); + // ADC conversion factor + Double_t adcConvert = simParam->GetADCoutRange() + / simParam->GetADCinRange(); + // The electronics baseline in mV + Double_t baseline = simParam->GetADCbaseline() + / adcConvert; + // The electronics baseline in electrons + Double_t baselineEl = baseline + / convert; + + Int_t row = 0; + Int_t col = 0; + Int_t time = 0; + + Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); + Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); + Int_t nTimeTotal = simParam->GetNTimeBins(); + + // The gainfactor calibration objects + const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); + AliTRDCalROC *calGainFactorROC = 0; + Float_t calGainFactorDetValue = 0.0; + + AliTRDarrayADC *digits = 0x0; + + if (!signals) { + AliError(Form("Signals array for detector %d does not exist\n",det)); + return kFALSE; + } + if (signals->HasData()) { + // Expand the container if neccessary + signals->Expand(); + } + else { + // Create missing containers + signals->Allocate(nRowMax,nColMax,nTimeTotal); + } + + // Get the container for the digits of this detector + if (fDigitsManager->HasSDigits()) { + AliError("Digits manager has s-digits"); + return kFALSE; + } + + digits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); + // Allocate memory space for the digits buffer + if (!digits->HasData()) { + digits->Allocate(nRowMax,nColMax,nTimeTotal); + } + + // Get the calibration objects + calGainFactorROC = calibration->GetGainFactorROC(det); + calGainFactorDetValue = calGainFactorDet->GetValue(det); + + // Create the digits for this chamber + for (row = 0; row < nRowMax; row++ ) { + for (col = 0; col < nColMax; col++ ) { + + // Check whether pad is masked + // Bridged pads are not considered yet!!! + if (calibration->IsPadMasked(det,col,row)) { + continue; + } + + // The gain factors + Float_t padgain = calGainFactorDetValue + * calGainFactorROC->GetValue(col,row); + if (padgain <= 0) { + AliError(Form("Not a valid gain %f, %d %d %d",padgain,det,col,row)); + } + + for (time = 0; time < nTimeTotal; time++) { + + // Get the signal amplitude + Float_t signalAmp = signals->GetData(row,col,time); + // Pad and time coupling + signalAmp *= coupling; + // Gain factors + signalAmp *= padgain; + + // Add the noise, starting from minus ADC baseline in electrons + signalAmp = TMath::Max((Double_t) gRandom->Gaus(signalAmp,simParam->GetNoise()) + ,-baselineEl); + + // Convert to mV + signalAmp *= convert; + // Add ADC baseline in mV + signalAmp += baseline; + + // Convert to ADC counts. Set the overflow-bit fADCoutRange if the + // signal is larger than fADCinRange + Short_t adc = 0; + if (signalAmp >= simParam->GetADCinRange()) { + adc = ((Short_t) simParam->GetADCoutRange()); + } + else { + adc = TMath::Nint(signalAmp * adcConvert); + } + + // Saving all digits + digits->SetData(row,col,time,adc); + + } // for: time + + } // for: col + } // for: row + + return kTRUE; } //_____________________________________________________________________________ -Bool_t AliTRDdigitizer::ConvertSDigits() +Bool_t AliTRDdigitizer::Signal2SDigits(Int_t det, AliTRDarraySignal *signals) { // - // Converts s-digits to normal digits + // Converts the sampled electron signals to s-digits // - // Number of track dictionary arrays - const Int_t kNDict = AliTRDdigitsManager::kNDict; + AliDebug(1,Form("Start converting signals to s-digits for detector=%d",det)); - // Converts number of electrons to fC - const Double_t kEl2fC = 1.602E-19 * 1.0E15; - - Int_t iDict = 0; - Int_t iRow; - Int_t iCol; - Int_t iTime; - - if (!fPar) { - fPar = new AliTRDparameter("TRDparameter","Standard parameter"); - if (fDebug > 0) { - printf(" "); - printf("Create the default parameter object\n"); - } + AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); + if (!calibration) { + AliFatal("Could not get calibration object"); + return kFALSE; } - AliTRDSimParam* simParam = AliTRDSimParam::Instance(); - if (!simParam) - { - printf(" "); - printf("Could not get simulation params\n"); + Int_t row = 0; + Int_t col = 0; + Int_t time = 0; + + Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); + Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); + Int_t nTimeTotal = AliTRDSimParam::Instance()->GetNTimeBins(); + + // Get the container for the digits of this detector + + if (!fDigitsManager->HasSDigits()) { + AliError("Digits manager has no s-digits"); return kFALSE; } - - AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance(); - if (!commonParam) - { - printf(" "); - printf("Could not get common params\n"); - return kFALSE; + + AliTRDarraySignal *digits = (AliTRDarraySignal *) fDigitsManager->GetSDigits(det); + // Allocate memory space for the digits buffer + if (!digits->HasData()) { + digits->Allocate(nRowMax,nColMax,nTimeTotal); } + + // Create the sdigits for this chamber + for (row = 0; row < nRowMax; row++ ) { + for (col = 0; col < nColMax; col++ ) { + for (time = 0; time < nTimeTotal; time++) { + digits->SetData(row,col,time,signals->GetData(row,col,time)); + } // for: time + } // for: col + } // for: row - - AliTRDcalibDB* calibration = AliTRDcalibDB::Instance(); - if (!calibration) - { - printf(" "); - printf("Could not get calibration object\n"); + return kTRUE; + +} + +//_____________________________________________________________________________ +Bool_t AliTRDdigitizer::Digits2SDigits(AliTRDdigitsManager * const manDig + , AliTRDdigitsManager * const manSDig) +{ + // + // Converts digits into s-digits. Needed for embedding into real data. + // + + AliDebug(1,"Start converting digits to s-digits"); + + if (!fGeo) { + fGeo = new AliTRDgeometry(); + } + + AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); + if (!calibration) { + AliFatal("Could not get calibration object"); return kFALSE; } - - Double_t sDigitsScale = 1.0 / GetSDigitsScale(); - Double_t noise = simParam->GetNoise(); - Double_t padCoupling = simParam->GetPadCoupling(); - Double_t timeCoupling = simParam->GetTimeCoupling(); - Double_t chipGain = simParam->GetChipGain(); - Double_t coupling = padCoupling * timeCoupling; - Double_t convert = kEl2fC * chipGain; - Double_t adcInRange = simParam->GetADCinRange(); - Double_t adcOutRange = simParam->GetADCoutRange(); - Int_t adcThreshold = simParam->GetADCthreshold(); - Int_t adcBaseline = simParam->GetADCbaseline(); - - AliTRDdataArrayI *digitsIn; - AliTRDdataArrayI *digitsOut; - AliTRDdataArrayI *dictionaryIn[kNDict]; - AliTRDdataArrayI *dictionaryOut[kNDict]; - - Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); - - // Loop through the detectors - for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) { - if (fDebug > 0) { - printf(" "); - printf("Convert detector %d to digits.\n",iDet); - } + AliTRDSimParam *simParam = AliTRDSimParam::Instance(); + if (!simParam) { + AliFatal("Could not get simulation parameters"); + return kFALSE; + } - Int_t plane = fGeo->GetPlane(iDet); - Int_t sector = fGeo->GetSector(iDet); - Int_t chamber = fGeo->GetChamber(iDet); - Int_t nRowMax = commonParam->GetRowMax(plane,chamber,sector); - Int_t nColMax = commonParam->GetColMax(plane); - - Double_t *inADC = new Double_t[nTimeTotal]; - Double_t *outADC = new Double_t[nTimeTotal]; - - digitsIn = fSDigitsManager->GetDigits(iDet); - digitsIn->Expand(); - digitsOut = fDigitsManager->GetDigits(iDet); - digitsOut->Allocate(nRowMax,nColMax,nTimeTotal); - for (iDict = 0; iDict < kNDict; iDict++) { - dictionaryIn[iDict] = fSDigitsManager->GetDictionary(iDet,iDict); - dictionaryIn[iDict]->Expand(); - dictionaryOut[iDict] = fDigitsManager->GetDictionary(iDet,iDict); - dictionaryOut[iDict]->Allocate(nRowMax,nColMax,nTimeTotal); + // Converts number of electrons to fC + const Double_t kEl2fC = 1.602e-19 * 1.0e15; + + // Coupling factor + Double_t coupling = simParam->GetPadCoupling() + * simParam->GetTimeCoupling(); + // Electronics conversion factor + Double_t convert = kEl2fC + * simParam->GetChipGain(); + // ADC conversion factor + Double_t adcConvert = simParam->GetADCoutRange() + / simParam->GetADCinRange(); + // The electronics baseline in mV + Double_t baseline = simParam->GetADCbaseline() + / adcConvert; + // The electronics baseline in electrons + //Double_t baselineEl = baseline + // / convert; + + // The gainfactor calibration objects + //const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet(); + //AliTRDCalROC *calGainFactorROC = 0; + //Float_t calGainFactorDetValue = 0.0; + + Int_t row = 0; + Int_t col = 0; + Int_t time = 0; + + for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { + + Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); + Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); + Int_t nTimeTotal = manDig->GetDigitsParam()->GetNTimeBins(); + + // Get the calibration objects + //calGainFactorROC = calibration->GetGainFactorROC(det); + //calGainFactorDetValue = calGainFactorDet->GetValue(det); + + // Get the digits + AliTRDarrayADC *digits = (AliTRDarrayADC *) manDig->GetDigits(det); + + if (!manSDig->HasSDigits()) { + AliError("SDigits manager has no s-digits"); + return kFALSE; } + // Get the s-digits + AliTRDarraySignal *sdigits = (AliTRDarraySignal *) manSDig->GetSDigits(det); + AliTRDarrayDictionary *tracks0 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,0); + AliTRDarrayDictionary *tracks1 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,1); + AliTRDarrayDictionary *tracks2 = (AliTRDarrayDictionary *) manSDig->GetDictionary(det,2); + // Allocate memory space for the digits buffer + sdigits->Allocate(nRowMax,nColMax,nTimeTotal); + tracks0->Allocate(nRowMax,nColMax,nTimeTotal); + tracks1->Allocate(nRowMax,nColMax,nTimeTotal); + tracks2->Allocate(nRowMax,nColMax,nTimeTotal); + + // Keep the digits param + manSDig->GetDigitsParam()->SetNTimeBins(manDig->GetDigitsParam()->GetNTimeBins()); + manSDig->GetDigitsParam()->SetADCbaseline(manDig->GetDigitsParam()->GetADCbaseline()); + + if (digits->HasData()) { + + digits->Expand(); + + // Create the sdigits for this chamber + for (row = 0; row < nRowMax; row++ ) { + for (col = 0; col < nColMax; col++ ) { + + // The gain factors + //Float_t padgain = calGainFactorDetValue + // * calGainFactorROC->GetValue(col,row); + + for (time = 0; time < nTimeTotal; time++) { + + Short_t adcVal = digits->GetData(row,col,time); + Double_t signal = (Double_t) adcVal; + // ADC -> signal in mV + signal /= adcConvert; + // Subtract baseline in mV + signal -= baseline; + // Signal in mV -> signal in #electrons + signal /= convert; + // Gain factor + //signal /= padgain; // Not needed for real data + // Pad and time coupling + signal /= coupling; + + sdigits->SetData(row,col,time,signal); + tracks0->SetData(row,col,time,0); + tracks1->SetData(row,col,time,0); + tracks2->SetData(row,col,time,0); + + } // for: time + + } // for: col + } // for: row + + } // if: has data - for (iRow = 0; iRow < nRowMax; iRow++ ) { - for (iCol = 0; iCol < nColMax; iCol++ ) { - - for (iTime = 0; iTime < nTimeTotal; iTime++) { - Double_t signal = (Double_t) digitsIn->GetDataUnchecked(iRow,iCol,iTime); - signal *= sDigitsScale; - // Pad and time coupling - signal *= coupling; - // Add the noise, starting from minus ADC baseline in electrons - Double_t baselineEl = adcBaseline * (adcInRange / adcOutRange) / convert; - signal = TMath::Max((Double_t) gRandom->Gaus(signal,noise),-baselineEl); - // Convert to mV - signal *= convert; - // add ADC baseline in mV - signal += adcBaseline * (adcInRange / adcOutRange); - // Convert to ADC counts. Set the overflow-bit adcOutRange if the - // signal is larger than adcInRange - Int_t adc = 0; - if (signal >= adcInRange) { - adc = ((Int_t) adcOutRange); - } - else { - adc = ((Int_t) (signal * (adcOutRange / adcInRange))); - } - inADC[iTime] = adc; - outADC[iTime] = adc; - } + sdigits->Compress(0); + tracks0->Compress(); + tracks1->Compress(); + tracks2->Compress(); - // Apply the tail cancelation via the digital filter - if (simParam->TCOn()) { - DeConvExp(inADC,outADC,nTimeTotal,simParam->GetTCnexp()); - } + // No compress just remove + manDig->RemoveDigits(det); + manDig->RemoveDictionaries(det); - for (iTime = 0; iTime < nTimeTotal; iTime++) { - // Store the amplitude of the digit if above threshold - if (outADC[iTime] > adcThreshold) { - digitsOut->SetDataUnchecked(iRow,iCol,iTime,((Int_t) outADC[iTime])); - // Copy the dictionary - for (iDict = 0; iDict < kNDict; iDict++) { - Int_t track = dictionaryIn[iDict]->GetDataUnchecked(iRow,iCol,iTime); - dictionaryOut[iDict]->SetDataUnchecked(iRow,iCol,iTime,track); - } - } - } + } // for: det - } - } + return kTRUE; - if (fCompress) { - digitsIn->Compress(1,0); - digitsOut->Compress(1,0); - for (iDict = 0; iDict < kNDict; iDict++) { - dictionaryIn[iDict]->Compress(1,0); - dictionaryOut[iDict]->Compress(1,0); - } - } +} - delete [] inADC; - delete [] outADC; +//_____________________________________________________________________________ +Bool_t AliTRDdigitizer::SDigits2Digits() +{ + // + // Merges the input s-digits and converts them to normal digits + // - } + if (!MergeSDigits()) { + return kFALSE; + } - return kTRUE; + return ConvertSDigits(); } @@ -1442,200 +1507,277 @@ Bool_t AliTRDdigitizer::MergeSDigits() // Number of track dictionary arrays const Int_t kNDict = AliTRDdigitsManager::kNDict; - if (!fPar) { - fPar = new AliTRDparameter("TRDparameter","Standard parameter"); - if (fDebug > 0) { - printf(" "); - printf("Create the default parameter object\n"); - } - } - - AliTRDSimParam* simParam = AliTRDSimParam::Instance(); - if (!simParam) - { - printf(" "); - printf("Could not get simulation params\n"); + AliTRDSimParam *simParam = AliTRDSimParam::Instance(); + if (!simParam) { + AliFatal("Could not get simulation parameters"); return kFALSE; } - AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance(); - if (!commonParam) - { - printf(" "); - printf("Could not get common params\n"); - return kFALSE; - } - - AliTRDcalibDB* calibration = AliTRDcalibDB::Instance(); - if (!calibration) - { - printf(" "); - printf("Could not get calibration object\n"); + AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); + if (!calibration) { + AliFatal("Could not get calibration object"); return kFALSE; } Int_t iDict = 0; Int_t jDict = 0; - AliTRDdataArrayI *digitsA; - AliTRDdataArrayI *digitsB; - AliTRDdataArrayI *dictionaryA[kNDict]; - AliTRDdataArrayI *dictionaryB[kNDict]; + AliTRDarraySignal *digitsA; + AliTRDarraySignal *digitsB; + AliTRDarrayDictionary *dictionaryA[kNDict]; + AliTRDarrayDictionary *dictionaryB[kNDict]; + AliTRDdigitsManager *mergeSDigitsManager = 0x0; // Get the first s-digits fSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->First(); - if (!fSDigitsManager) return kFALSE; + if (!fSDigitsManager) { + AliError("No SDigits manager"); + return kFALSE; + } // Loop through the other sets of s-digits - AliTRDdigitsManager *mergeSDigitsManager; - mergeSDigitsManager = (AliTRDdigitsManager *) - fSDigitsManagerList->After(fSDigitsManager); - - if (fDebug > 0) { - if (mergeSDigitsManager) { - printf(" "); - printf("Merge %d input files.\n",fSDigitsManagerList->GetSize()); - } - else { - printf(" "); - printf("Only one input file.\n"); - } - } + mergeSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->After(fSDigitsManager); - Int_t nTimeTotal = calibration->GetNumberOfTimeBins(); + if (mergeSDigitsManager) { + AliDebug(1,Form("Merge %d input files.",fSDigitsManagerList->GetSize())); + } + else { + AliDebug(1,"Only one input file."); + } + Int_t nTimeTotal = fSDigitsManager->GetDigitsParam()->GetNTimeBins(); Int_t iMerge = 0; + while (mergeSDigitsManager) { + if (mergeSDigitsManager->GetDigitsParam()->GetNTimeBins() != nTimeTotal) { + AliError(Form("Mismatch in the number of time bins [%d,%d]" + ,nTimeTotal + ,mergeSDigitsManager->GetDigitsParam()->GetNTimeBins())); + return kFALSE; + } + iMerge++; // Loop through the detectors for (Int_t iDet = 0; iDet < AliTRDgeometry::Ndet(); iDet++) { - Int_t plane = fGeo->GetPlane(iDet); - Int_t sector = fGeo->GetSector(iDet); - Int_t chamber = fGeo->GetChamber(iDet); - Int_t nRowMax = commonParam->GetRowMax(plane,chamber,sector); - Int_t nColMax = commonParam->GetColMax(plane); - + Int_t nRowMax = fGeo->GetPadPlane(iDet)->GetNrows(); + Int_t nColMax = fGeo->GetPadPlane(iDet)->GetNcols(); + // Loop through the pixels of one detector and add the signals - digitsA = fSDigitsManager->GetDigits(iDet); - digitsB = mergeSDigitsManager->GetDigits(iDet); - digitsA->Expand(); - digitsB->Expand(); + digitsA = (AliTRDarraySignal *) fSDigitsManager->GetSDigits(iDet); + digitsB = (AliTRDarraySignal *) mergeSDigitsManager->GetSDigits(iDet); + digitsA->Expand(); + if (!digitsA->HasData()) continue; + digitsB->Expand(); + if (!digitsB->HasData()) continue; + for (iDict = 0; iDict < kNDict; iDict++) { - dictionaryA[iDict] = fSDigitsManager->GetDictionary(iDet,iDict); - dictionaryB[iDict] = mergeSDigitsManager->GetDictionary(iDet,iDict); - dictionaryA[iDict]->Expand(); + dictionaryA[iDict] = (AliTRDarrayDictionary *) fSDigitsManager->GetDictionary(iDet,iDict); + dictionaryB[iDict] = (AliTRDarrayDictionary *) mergeSDigitsManager->GetDictionary(iDet,iDict); + dictionaryA[iDict]->Expand(); dictionaryB[iDict]->Expand(); } // Merge only detectors that contain a signal Bool_t doMerge = kTRUE; if (fMergeSignalOnly) { - if (digitsA->GetOverThreshold(0) == 0) { - doMerge = kFALSE; + if (digitsA->GetOverThreshold(0) == 0) { + doMerge = kFALSE; } } - + if (doMerge) { - - if (fDebug > 0) { - printf(" "); - printf("Merge detector %d of input no.%d\n",iDet,iMerge+1); + + AliDebug(1,Form("Merge detector %d of input no.%d",iDet,iMerge+1)); + + for (Int_t iRow = 0; iRow < nRowMax; iRow++ ) { + for (Int_t iCol = 0; iCol < nColMax; iCol++ ) { + for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) { + + // Add the amplitudes of the summable digits + Float_t ampA = digitsA->GetData(iRow,iCol,iTime); + Float_t ampB = digitsB->GetData(iRow,iCol,iTime); + ampA += ampB; + digitsA->SetData(iRow,iCol,iTime,ampA); + + // Add the mask to the track id if defined. + for (iDict = 0; iDict < kNDict; iDict++) { + Int_t trackB = dictionaryB[iDict]->GetData(iRow,iCol,iTime); + if ((fMasks) && (trackB > 0)) { + for (jDict = 0; jDict < kNDict; jDict++) { + Int_t trackA = dictionaryA[iDict]->GetData(iRow,iCol,iTime); + if (trackA == 0) { + trackA = trackB + fMasks[iMerge]; + dictionaryA[iDict]->SetData(iRow,iCol,iTime,trackA); + } // if: track A == 0 + } // for: jDict + } // if: fMasks and trackB > 0 + } // for: iDict + + } // for: iTime + } // for: iCol + } // for: iRow + + } // if: doMerge + + mergeSDigitsManager->RemoveDigits(iDet); + mergeSDigitsManager->RemoveDictionaries(iDet); + + if (fCompress) { + digitsA->Compress(0); + for (iDict = 0; iDict < kNDict; iDict++) { + dictionaryA[iDict]->Compress(); } + } + + } // for: detectors + + // The next set of s-digits + mergeSDigitsManager = (AliTRDdigitsManager *) fSDigitsManagerList->After(mergeSDigitsManager); + + } // while: mergeDigitsManagers + + return kTRUE; - for (Int_t iRow = 0; iRow < nRowMax; iRow++ ) { - for (Int_t iCol = 0; iCol < nColMax; iCol++ ) { - for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) { +} - // Add the amplitudes of the summable digits - Int_t ampA = digitsA->GetDataUnchecked(iRow,iCol,iTime); - Int_t ampB = digitsB->GetDataUnchecked(iRow,iCol,iTime); - ampA += ampB; - digitsA->SetDataUnchecked(iRow,iCol,iTime,ampA); - - // Add the mask to the track id if defined. - for (iDict = 0; iDict < kNDict; iDict++) { - Int_t trackB = dictionaryB[iDict]->GetDataUnchecked(iRow,iCol,iTime); - if ((fMasks) && (trackB > 0)) { - for (jDict = 0; jDict < kNDict; jDict++) { - Int_t trackA = dictionaryA[iDict]->GetDataUnchecked(iRow,iCol,iTime); - if (trackA == 0) { - trackA = trackB + fMasks[iMerge]; - dictionaryA[iDict]->SetDataUnchecked(iRow,iCol,iTime,trackA); - } - } - } - } +//_____________________________________________________________________________ +Bool_t AliTRDdigitizer::ConvertSDigits() +{ + // + // Converts s-digits to normal digits + // - } - } - } + AliTRDarraySignal *digitsIn = 0x0; - } + if (!fSDigitsManager->HasSDigits()) { + AliError("No s-digits in digits manager"); + return kFALSE; + } - if (fCompress) { - digitsA->Compress(1,0); - digitsB->Compress(1,0); - for (iDict = 0; iDict < kNDict; iDict++) { - dictionaryA[iDict]->Compress(1,0); - dictionaryB[iDict]->Compress(1,0); - } - } + // Loop through the detectors + for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { - } + // Get the merged s-digits (signals) + digitsIn = (AliTRDarraySignal *) fSDigitsManager->GetSDigits(det); + if (!digitsIn->HasData()) { + AliDebug(2,Form("No digits for det=%d",det)); + continue; + } + + // Convert the merged sdigits to digits + if (!Signal2ADC(det,digitsIn)) { + continue; + } - // The next set of s-digits - mergeSDigitsManager = (AliTRDdigitsManager *) - fSDigitsManagerList->After(mergeSDigitsManager); + // Copy the dictionary information to the output array + if (!CopyDictionary(det)) { + continue; + } - } + // Delete + fSDigitsManager->RemoveDigits(det); + fSDigitsManager->RemoveDictionaries(det); + + // Run digital processing + RunDigitalProcessing(det); + + // Compress the arrays + CompressOutputArrays(det); + + } // for: detector numbers + + // Save the values for the raw data headers + fDigitsManager->GetDigitsParam()->SetNTimeBins(AliTRDSimParam::Instance()->GetNTimeBins()); + fDigitsManager->GetDigitsParam()->SetADCbaseline(AliTRDSimParam::Instance()->GetADCbaseline()); return kTRUE; } //_____________________________________________________________________________ -Bool_t AliTRDdigitizer::SDigits2Digits() +Bool_t AliTRDdigitizer::CopyDictionary(Int_t det) { // - // Merges the input s-digits and converts them to normal digits + // Copies the dictionary information from the s-digits arrays + // to the output arrays // - if (!MergeSDigits()) return kFALSE; + AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); + if (!calibration) { + AliFatal("Could not get calibration object"); + return kFALSE; + } - return ConvertSDigits(); + AliDebug(1,Form("Start copying dictionaries for detector=%d",det)); + + const Int_t kNDict = AliTRDdigitsManager::kNDict; + AliTRDarrayDictionary *dictionaryIn[kNDict]; + AliTRDarrayDictionary *dictionaryOut[kNDict]; + + Int_t nRowMax = fGeo->GetPadPlane(det)->GetNrows(); + Int_t nColMax = fGeo->GetPadPlane(det)->GetNcols(); + Int_t nTimeTotal = AliTRDSimParam::Instance()->GetNTimeBins(); + + Int_t row = 0; + Int_t col = 0; + Int_t time = 0; + Int_t dict = 0; + + for (dict = 0; dict < kNDict; dict++) { + + dictionaryIn[dict] = (AliTRDarrayDictionary *) fSDigitsManager->GetDictionary(det,dict); + dictionaryIn[dict]->Expand(); + dictionaryOut[dict] = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); + dictionaryOut[dict]->Allocate(nRowMax,nColMax,nTimeTotal); + + for (row = 0; row < nRowMax; row++) { + for (col = 0; col < nColMax; col++) { + for (time = 0; time < nTimeTotal; time++) { + Int_t track = dictionaryIn[dict]->GetData(row,col,time); + dictionaryOut[dict]->SetData(row,col,time,track); + } // for: time + } // for: col + } // for: row + + } // for: dictionaries + + return kTRUE; } //_____________________________________________________________________________ -Bool_t AliTRDdigitizer::CheckDetector(Int_t plane, Int_t chamber, Int_t sector) +void AliTRDdigitizer::CompressOutputArrays(Int_t det) { // - // Checks whether a detector is enabled + // Compress the output arrays // - if (fSimpleSim) return kTRUE; + const Int_t kNDict = AliTRDdigitsManager::kNDict; + AliTRDarrayDictionary *dictionary = 0x0; + + if (fCompress) { - if ((fTRD->GetSensChamber() >= 0) && - (fTRD->GetSensChamber() != chamber)) return kFALSE; - if ((fTRD->GetSensPlane() >= 0) && - (fTRD->GetSensPlane() != plane)) return kFALSE; - if ( fTRD->GetSensSector() >= 0) { - Int_t sens1 = fTRD->GetSensSector(); - Int_t sens2 = sens1 + fTRD->GetSensSectorRange(); - sens2 -= ((Int_t) (sens2 / AliTRDgeometry::Nsect())) - * AliTRDgeometry::Nsect(); - if (sens1 < sens2) { - if ((sector < sens1) || (sector >= sens2)) return kFALSE; + if (!fSDigits) { + AliTRDarrayADC *digits = 0x0; + digits = (AliTRDarrayADC *) fDigitsManager->GetDigits(det); + digits->Compress(); } - else { - if ((sector < sens1) && (sector >= sens2)) return kFALSE; + + if (fSDigits) { + AliTRDarraySignal *digits = 0x0; + digits = (AliTRDarraySignal *) fDigitsManager->GetSDigits(det); + digits->Compress(0); } - } - return kTRUE; + for (Int_t dict = 0; dict < kNDict; dict++) { + dictionary = (AliTRDarrayDictionary *) fDigitsManager->GetDictionary(det,dict); + dictionary->Compress(); + } + + } } @@ -1646,76 +1788,14 @@ Bool_t AliTRDdigitizer::WriteDigits() const // Writes out the TRD-digits and the dictionaries // - //Write parameters + // Write parameters fRunLoader->CdGAFile(); - if (!gFile->Get("TRDparameter")) GetParameter()->Write(); // Store the digits and the dictionary in the tree return fDigitsManager->WriteDigits(); } -//_____________________________________________________________________________ -void AliTRDdigitizer::DeConvExp(Double_t *source, Double_t *target - , Int_t n, Int_t nexp) -{ - // - // Does the deconvolution by the digital filter. - // - // Author: Marcus Gutfleisch, KIP Heidelberg - // Optimized for: New TRF from Venelin Angelov, simulated with CADENCE - // Pad-ground capacitance = 25 pF - // Pad-pad cross talk capacitance = 6 pF - // For 10 MHz digitization, corresponding to 20 time bins - // in the drift region - // - - Double_t rates[2]; - Double_t coefficients[2]; - Double_t Dt = 0.100; // time bin width [mus] for 10 MHz sampling frequence - - /* initialize (coefficient = alpha, rates = lambda) */ - - rates[0] = 0.7680; - rates[1] = 0.0995; - - rates[0] = TMath::Exp(-Dt/(rates[0])); - rates[1] = TMath::Exp(-Dt/(rates[1])); - - // dummy initialization - coefficients[0] = 0.0000; - coefficients[1] = 0.0000; - - if( nexp == 1 ) { - coefficients[0] = 0.0844; - coefficients[1] = 0.0000; - } - if( nexp == 2 ) { - coefficients[0] = 0.1445; - coefficients[1] = 0.7524; - } - - Int_t i, k; - Double_t reminder[2]; - Double_t correction, result; - - /* attention: computation order is important */ - correction=0.0; - for ( k = 0; k < nexp; k++ ) reminder[k]=0.0; - - for ( i = 0; i < n; i++ ) { - result = ( source[i] - correction ); /* no rescaling */ - target[i] = result; - - for ( k = 0; k < nexp; k++ ) reminder[k] = rates[k] - * ( reminder[k] + coefficients[k] * result); - - correction=0.0; - for ( k = 0; k < nexp; k++ ) correction += reminder[k]; - } - -} - //_____________________________________________________________________________ void AliTRDdigitizer::InitOutput(Int_t iEvent) { @@ -1725,998 +1805,138 @@ void AliTRDdigitizer::InitOutput(Int_t iEvent) fEvent = iEvent; - if (!fRunLoader) - { - Error("InitOutput","Run Loader is NULL"); - return; - } - AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); - if (!loader) - { - Error("Open","Can not get TRD loader from Run Loader"); - return; - } - - TTree* tree = 0; + if (!fRunLoader) { + AliError("Run Loader is NULL"); + return; + } + + AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); + if (!loader) { + AliError("Can not get TRD loader from Run Loader"); + return; + } + + TTree *tree = 0; - if (fSDigits) - { - //if we produce SDigits + if (fSDigits) { + // If we produce SDigits tree = loader->TreeS(); - if (!tree) - { + if (!tree) { loader->MakeTree("S"); tree = loader->TreeS(); - } - } - else - {//if we produce Digits - tree = loader->TreeD(); - if (!tree) - { - loader->MakeTree("D"); - tree = loader->TreeD(); - } - } + } + } + else { + // If we produce Digits + tree = loader->TreeD(); + if (!tree) { + loader->MakeTree("D"); + tree = loader->TreeD(); + } + } fDigitsManager->SetEvent(iEvent); fDigitsManager->MakeBranch(tree); } - + //_____________________________________________________________________________ -Double_t AliTRDdigitizer::TimeStruct(Float_t vdrift, Double_t dist, Double_t z) +Int_t AliTRDdigitizer::Diffusion(Float_t vdrift, Double_t absdriftlength + , Double_t &lRow, Double_t &lCol, Double_t &lTime) { // - // Applies the time structure of the drift cells (by C.Lippmann). - // The drift time of electrons to the anode wires depends on the - // distance to the wire (z) and on the position in the drift region. - // - // input : - // dist = radial distance from (cathode) pad plane [cm] - // z = distance from anode wire (parallel to cathode planes) [cm] - // - // output : - // tdrift = the drift time of an electron at the given position + // Applies the diffusion smearing to the position of a single electron. + // Depends on absolute drift length. // - // We interpolate between the drift time values at the two drift - // velocities fVDlo and fVDhi, being smaller and larger than - // fDriftVelocity. We use the two stored drift time maps fTimeStruct1 - // and fTimeStruct2, calculated for the two mentioned drift velocities. - // - - SampleTimeStruct(vdrift); - // indices: - Int_t r1 = (Int_t)(10*dist); - Int_t r2 = r1+1; - if (r1<0) r1 = 0; - if (r1>37) r1 = 37; - const Int_t kz1 = (Int_t)(100*z/2.5); - const Int_t kz2 = kz1+1; - - if (r1<0 || r1>37 || kz1<0 || kz1>10) { - printf(" Warning. Indices out of range: "); - printf("dist=%.2f, z=%.2f, r1=%d, kz1=%d\n",dist,z,r1,kz1); - } - - const Float_t ky111 = fTimeStructInfo.fTimeStruct1[r1+38*kz1]; - const Float_t ky221 = (r2 <= 37 && kz2 <= 10) ? fTimeStructInfo.fTimeStruct1[r2+38*kz2] : fTimeStructInfo.fTimeStruct1[37+38*10]; - const Float_t ky121 = (kz2 <= 10) ? fTimeStructInfo.fTimeStruct1[r1+38*kz2] : fTimeStructInfo.fTimeStruct1[r1+38*10]; - const Float_t ky211 = (r2 <= 37) ? fTimeStructInfo.fTimeStruct1[r2+38*kz1] : fTimeStructInfo.fTimeStruct1[37+38*kz1]; - - // 2D Interpolation, lower drift time map - const Float_t ky11 = (ky211-ky111)*10*dist + ky111 - (ky211-ky111)*r1; - const Float_t ky21 = (ky221-ky121)*10*dist + ky121 - (ky221-ky121)*r1; + Float_t diffL = 0.0; + Float_t diffT = 0.0; - const Float_t ky112 = fTimeStructInfo.fTimeStruct2[r1+38*kz1]; - const Float_t ky222 = (r2 <= 37 && kz2 <= 10) ? fTimeStructInfo.fTimeStruct2[r2+38*kz2] : fTimeStructInfo.fTimeStruct2[37+38*10]; - const Float_t ky122 = (kz2 <= 10) ? fTimeStructInfo.fTimeStruct2[r1+38*kz2] : fTimeStructInfo.fTimeStruct2[r1+38*10]; - const Float_t ky212 = (r2 <= 37) ? fTimeStructInfo.fTimeStruct2[r2+38*kz1] : fTimeStructInfo.fTimeStruct2[37+38*kz1]; + if (AliTRDCommonParam::Instance()->GetDiffCoeff(diffL,diffT,vdrift)) { - // 2D Interpolation, larger drift time map - const Float_t ky12 = (ky212-ky112)*10*dist + ky112 - (ky212-ky112)*r1; - const Float_t ky22 = (ky222-ky122)*10*dist + ky122 - (ky222-ky122)*r1; + Float_t driftSqrt = TMath::Sqrt(absdriftlength); + Float_t sigmaT = driftSqrt * diffT; + Float_t sigmaL = driftSqrt * diffL; + lRow = gRandom->Gaus(lRow ,sigmaT); + lCol = gRandom->Gaus(lCol ,sigmaT * GetLorentzFactor(vdrift)); + lTime = gRandom->Gaus(lTime,sigmaL * GetLorentzFactor(vdrift)); - // dist now is the drift distance to the anode wires (negative if electrons are - // between anode wire plane and cathode pad plane) - dist -= AliTRDgeometry::AmThick()/2.0; - - // Get the drift times for the drift velocities fVDlo and fVDhi - const Float_t ktdrift1 = - ( TMath::Abs(dist)>0.005 || z>0.005 ) ? (ky21-ky11)*100*z/2.5+ky11-(ky21-ky11)*kz1 : 0.0; - const Float_t ktdrift2 = - ( TMath::Abs(dist)>0.005 || z>0.005 ) ? (ky22-ky12)*100*z/2.5+ky12-(ky22-ky12)*kz1 : 0.0; - - // 1D Interpolation between the values at fVDlo and fVDhi - Float_t a = (ktdrift2 - ktdrift1) / (fTimeStructInfo.fVDhi - fTimeStructInfo.fVDlo); - Float_t b = ktdrift2 - a * fTimeStructInfo.fVDhi; + return 1; + } + else { - //printf("(%.2f, %.2f): %f, %f -> %f\n", - // dist+AliTRDgeometry::AmThick()/2.0, z, ktdrift1, ktdrift2, a*fDriftVelocity+b); + return 0; - return a * vdrift + b; + } } //_____________________________________________________________________________ -void AliTRDdigitizer::SampleTimeStruct(Float_t vdrift) +Float_t AliTRDdigitizer::GetLorentzFactor(Float_t vd) { // - // Samples the timing structure of a drift cell - // Drift Time data calculated with Garfield (by C.Lippmann) + // Returns the Lorentz factor // - - //TODO make caching proper, if same timing structure is selected: do not update timestructs! - - if (vdrift == fTimeStructInfo.fLastVdrift) - return; - - fTimeStructInfo.fLastVdrift = vdrift; - - // drift time maps are saved for some drift velocity values (in drift region): - Float_t fVDsmp[8]; - fVDsmp[0] = 1.032; - fVDsmp[1] = 1.158; - fVDsmp[2] = 1.299; - fVDsmp[3] = 1.450; - fVDsmp[4] = 1.610; - fVDsmp[5] = 1.783; - fVDsmp[6] = 1.959; - fVDsmp[7] = 2.134; - - if ( vdrift < fVDsmp[0] ) { - printf(" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"); - printf(" Drift Velocity too small (%.3f<%.3f)\n" - , vdrift, fVDsmp[0]); - printf(" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"); - vdrift = fVDsmp[0]; - } else if ( vdrift > fVDsmp[7] ) { - printf(" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"); - printf(" Drift Velocity too large (%.3f>%.3f)\n" - , vdrift,fVDsmp[6]); - printf(" !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"); - vdrift = fVDsmp[7]; - } - - const Int_t ktimebin = 38; - const Int_t kZbin = 11; - - // Garfield simulation at UD = -1500V; vd = 1.032cm/microsec, = 525V/cm - Float_t time1500[ktimebin][kZbin] = - {{0.09170, 0.09205, 0.09306, 0.09475, 0.09716, 0.10035, - 0.10445, 0.10993, 0.11838, 0.13986, 0.37858}, - {0.06588, 0.06626, 0.06739, 0.06926, 0.07186, 0.07524, - 0.07951, 0.08515, 0.09381, 0.11601, 0.35673}, - {0.03946, 0.04003, 0.04171, 0.04435, 0.04780, 0.05193, - 0.05680, 0.06306, 0.07290, 0.09873, 0.34748}, - {0.01151, 0.01283, 0.01718, 0.02282, 0.02880, 0.03479, - 0.04098, 0.04910, 0.06413, 0.10567, 0.36897}, - {0.01116, 0.01290, 0.01721, 0.02299, 0.02863, 0.03447, - 0.04074, 0.04984, 0.06839, 0.11625, 0.37277}, - {0.03919, 0.03974, 0.04131, 0.04380, 0.04703, 0.05102, - 0.05602, 0.06309, 0.07651, 0.10938, 0.36838}, - {0.06493, 0.06560, 0.06640, 0.06802, 0.07051, 0.07392, - 0.07853, 0.08510, 0.09690, 0.12621, 0.38058}, - {0.09174, 0.09186, 0.09225, 0.09303, 0.09477, 0.00000, - 0.11205, 0.11952, 0.13461, 0.16984, 0.43017}, - {0.14356, 0.14494, 0.14959, 0.16002, 0.18328, 0.27981, - 0.22785, 0.21240, 0.21948, 0.25965, 0.52392}, - {0.23120, 0.23366, 0.24046, 0.25422, 0.28071, 0.36914, - 0.32999, 0.31208, 0.31772, 0.35804, 0.62249}, - {0.32686, 0.32916, 0.33646, 0.35053, 0.37710, 0.46292, - 0.42773, 0.40948, 0.41497, 0.45527, 0.71955}, - {0.42353, 0.42583, 0.43317, 0.44727, 0.47380, 0.55884, - 0.52479, 0.50650, 0.51194, 0.55225, 0.81658}, - {0.52038, 0.52271, 0.53000, 0.54415, 0.57064, 0.65545, - 0.62172, 0.60341, 0.60885, 0.64915, 0.91339}, - {0.61724, 0.61953, 0.62694, 0.64098, 0.66756, 0.75226, - 0.71862, 0.70030, 0.70575, 0.74604, 1.01035}, - {0.71460, 0.71678, 0.72376, 0.73786, 0.76447, 0.84913, - 0.81551, 0.79720, 0.80264, 0.84292, 1.10723}, - {0.81101, 0.81334, 0.82066, 0.83475, 0.86127, 0.94599, - 0.91240, 0.89408, 0.89952, 0.93981, 1.20409}, - {0.90788, 0.91023, 0.91752, 0.93163, 0.95815, 1.04293, - 1.00929, 0.99096, 0.99640, 1.03669, 1.30106}, - {1.00477, 1.00707, 1.01449, 1.02852, 1.05504, 1.13976, - 1.10617, 1.08784, 1.09329, 1.13358, 1.39796}, - {1.10166, 1.10397, 1.11130, 1.12541, 1.15257, 1.23672, - 1.20307, 1.18472, 1.19018, 1.23046, 1.49486}, - {1.19854, 1.20084, 1.20818, 1.22235, 1.24885, 1.33355, - 1.29992, 1.28156, 1.28707, 1.32735, 1.59177}, - {1.29544, 1.29780, 1.30507, 1.31917, 1.34575, 1.43073, - 1.39681, 1.37851, 1.38396, 1.42377, 1.68854}, - {1.39236, 1.39462, 1.40205, 1.41607, 1.44259, 1.52745, - 1.49368, 1.47541, 1.48083, 1.52112, 1.78546}, - {1.49314, 1.49149, 1.49885, 1.51297, 1.53949, 1.62420, - 1.59016, 1.57231, 1.57772, 1.61800, 1.88048}, - {1.58610, 1.58839, 1.59572, 1.60983, 1.63635, 1.72109, - 1.68651, 1.66921, 1.67463, 1.71489, 1.97918}, - {1.68400, 1.68529, 1.69261, 1.70671, 1.73331, 1.81830, - 1.78341, 1.76605, 1.77150, 1.81179, 2.07608}, - {1.77991, 1.78215, 1.78952, 1.80385, 1.83014, 1.91486, - 1.88128, 1.86215, 1.86837, 1.90865, 2.17304}, - {1.87674, 1.87904, 1.88647, 1.90052, 1.92712, 2.01173, - 1.97812, 1.95905, 1.96527, 2.00710, 2.26979}, - {1.97369, 1.97594, 1.98326, 1.99869, 2.02442, 2.10865, - 2.07501, 2.05666, 2.06214, 2.10243, 2.36669}, - {2.07052, 2.07281, 2.08016, 2.09425, 2.12132, 2.20555, - 2.17182, 2.15341, 2.15904, 2.19933, 2.46363}, - {2.16742, 2.16971, 2.17707, 2.19114, 2.21766, 2.30240, - 2.26877, 2.25015, 2.25573, 2.29586, 2.56060}, - {2.26423, 2.26659, 2.27396, 2.28803, 2.31456, 2.40828, - 2.36567, 2.34705, 2.35282, 2.39765, 2.65744}, - {2.36153, 2.36349, 2.37330, 2.38501, 2.41159, 2.49940, - 2.46257, 2.44420, 2.44843, 2.48987, 2.75431}, - {2.46558, 2.46035, 2.46822, 2.48181, 2.50849, 2.59630, - 2.55947, 2.54112, 2.54513, 2.58677, 2.85094}, - {2.56248, 2.55723, 2.56486, 2.57871, 2.60520, 2.68998, - 2.65626, 2.63790, 2.64316, 2.68360, 2.94813}, - {2.65178, 2.65441, 2.66153, 2.67556, 2.70210, 2.78687, - 2.75319, 2.73463, 2.74032, 2.78060, 3.04503}, - {2.74868, 2.75131, 2.75870, 2.77245, 2.79385, 2.88700, - 2.85009, 2.83177, 2.83723, 2.87750, 3.14193}, - {2.84574, 2.84789, 2.85560, 2.86935, 2.89075, 2.98060, - 2.94576, 2.92868, 2.93356, 2.97436, 3.23868}, - {2.94239, 2.94469, 2.95221, 2.96625, 2.99345, 3.07747, - 3.04266, 3.02545, 3.03051, 3.07118, 3.33555}}; - - // Garfield simulation at UD = -1600V; vd = 1.158cm/microsec, = 558V/cm - Float_t time1600[ktimebin][kZbin] = - {{0.09169, 0.09203, 0.09305, 0.09473, 0.09714, 0.10032, - 0.10441, 0.10990, 0.11835, 0.13986, 0.37845}, - {0.06589, 0.06626, 0.06738, 0.06924, 0.07184, 0.07521, - 0.07947, 0.08512, 0.09379, 0.11603, 0.35648}, - {0.03947, 0.04003, 0.04171, 0.04434, 0.04778, 0.05190, - 0.05678, 0.06304, 0.07292, 0.09876, 0.34759}, - {0.01111, 0.01281, 0.01718, 0.02281, 0.02879, 0.03477, - 0.04097, 0.04910, 0.06415, 0.10573, 0.36896}, - {0.01120, 0.01311, 0.01721, 0.02279, 0.02862, 0.03446, - 0.04074, 0.04981, 0.06825, 0.11595, 0.37255}, - {0.03919, 0.03980, 0.04132, 0.04380, 0.04704, 0.05102, - 0.05602, 0.06302, 0.07633, 0.10896, 0.36743}, - {0.06531, 0.06528, 0.06631, 0.06805, 0.07053, 0.07392, - 0.07853, 0.08505, 0.09669, 0.12578, 0.37967}, - {0.09157, 0.09171, 0.09216, 0.09301, 0.09475, 0.00000, - 0.11152, 0.11879, 0.13352, 0.16802, 0.42750}, - {0.13977, 0.14095, 0.14509, 0.15433, 0.17534, 0.26406, - 0.21660, 0.20345, 0.21113, 0.25067, 0.51434}, - {0.21816, 0.22041, 0.22631, 0.23850, 0.26208, 0.34340, - 0.30755, 0.29237, 0.29878, 0.33863, 0.60258}, - {0.30344, 0.30547, 0.31241, 0.32444, 0.34809, 0.42696, - 0.39464, 0.37919, 0.38546, 0.42530, 0.68926}, - {0.38969, 0.39164, 0.39810, 0.41059, 0.43441, 0.51246, - 0.48112, 0.46562, 0.47191, 0.51172, 0.77558}, - {0.47592, 0.47799, 0.48442, 0.49689, 0.52061, 0.59855, - 0.56752, 0.55201, 0.55826, 0.59808, 0.86202}, - {0.56226, 0.56428, 0.57074, 0.58324, 0.60696, 0.68483, - 0.65388, 0.63837, 0.64461, 0.68445, 0.94830}, - {0.64881, 0.65063, 0.65709, 0.66958, 0.69331, 0.77117, - 0.74023, 0.72472, 0.73098, 0.77079, 1.03486}, - {0.73506, 0.73698, 0.74344, 0.75596, 0.77964, 0.85751, - 0.82658, 0.81107, 0.81731, 0.85712, 1.12106}, - {0.82132, 0.82333, 0.82979, 0.84228, 0.86608, 0.94386, - 0.91293, 0.89742, 0.90367, 0.94335, 1.20737}, - {0.90767, 0.90968, 0.91614, 0.92863, 0.95236, 1.03021, - 0.99928, 0.98377, 0.99001, 1.02984, 1.29371}, - {0.99410, 0.99602, 1.00257, 1.01498, 1.03869, 1.11720, - 1.08563, 1.07011, 1.07637, 1.11621, 1.37873}, - {1.08036, 1.08240, 1.08884, 1.10138, 1.12504, 1.20301, - 1.17198, 1.15647, 1.16272, 1.20255, 1.46651}, - {1.16670, 1.16872, 1.17525, 1.18783, 1.21139, 1.28934, - 1.25833, 1.24281, 1.24909, 1.28889, 1.55275}, - {1.25307, 1.25510, 1.26153, 1.27404, 1.29773, 1.37584, - 1.34469, 1.32916, 1.33536, 1.37524, 1.63915}, - {1.33942, 1.34146, 1.34788, 1.36040, 1.38410, 1.46438, - 1.43105, 1.41537, 1.42176, 1.46158, 1.72538}, - {1.42579, 1.42782, 1.43458, 1.44674, 1.47043, 1.55085, - 1.51675, 1.50168, 1.50810, 1.54793, 1.81174}, - {1.51207, 1.51454, 1.52060, 1.53307, 1.55684, 1.63478, - 1.60336, 1.58820, 1.59446, 1.63414, 1.89814}, - {1.59856, 1.60047, 1.60693, 1.61942, 1.64317, 1.72257, - 1.69008, 1.67454, 1.68080, 1.72063, 1.98433}, - {1.68481, 1.68682, 1.69330, 1.70584, 1.72949, 1.80752, - 1.77643, 1.76089, 1.76716, 1.80692, 2.07069}, - {1.77117, 1.77319, 1.77969, 1.79260, 1.81583, 1.89376, - 1.86226, 1.84720, 1.85355, 1.89256, 2.15343}, - {1.85748, 1.85967, 1.86605, 1.87848, 1.90222, 1.98010, - 1.94913, 1.93271, 1.93981, 1.97968, 2.24355}, - {1.94386, 1.94587, 1.95233, 1.96484, 1.98854, 2.06646, - 2.03542, 2.01755, 2.02617, 2.06604, 2.32993}, - {2.03022, 2.03230, 2.03868, 2.05134, 2.07488, 2.15367, - 2.12178, 2.10391, 2.11252, 2.15432, 2.41623}, - {2.11656, 2.11857, 2.12505, 2.13772, 2.16147, 2.23919, - 2.20817, 2.19265, 2.20744, 2.23872, 2.49996}, - {2.20291, 2.20611, 2.21137, 2.22387, 2.24758, 2.32563, - 2.29450, 2.27901, 2.28525, 2.32507, 2.58897}, - {2.28922, 2.29172, 2.29774, 2.31345, 2.33400, 2.41287, - 2.38086, 2.36535, 2.37160, 2.40869, 2.67113}, - {2.37572, 2.37764, 2.38410, 2.39803, 2.42046, 2.49817, - 2.46721, 2.45171, 2.45794, 2.49505, 2.76061}, - {2.46190, 2.46396, 2.47043, 2.48340, 2.50665, 2.58453, - 2.55357, 2.53728, 2.54430, 2.58407, 2.84816}, - {2.54833, 2.55032, 2.55679, 2.56976, 2.59312, 2.67103, - 2.63993, 2.62364, 2.63062, 2.67040, 2.93444}, - {2.63456, 2.63660, 2.64304, 2.65555, 2.67938, 2.75739, - 2.72629, 2.71064, 2.71688, 2.75671, 3.01886}}; - - // Garfield simulation at UD = -1700V; vd = 1.299cm/microsec, = 590V/cm - Float_t time1700[ktimebin][kZbin] = - {{0.09167, 0.09201, 0.09302, 0.09471, 0.09712, 0.10029, - 0.10438, 0.10986, 0.11832, 0.13986, 0.37824}, - {0.06591, 0.06626, 0.06736, 0.06923, 0.07183, 0.07519, - 0.07944, 0.08511, 0.09378, 0.11603, 0.35625}, - {0.03946, 0.04003, 0.04170, 0.04433, 0.04777, 0.05189, - 0.05676, 0.06301, 0.07291, 0.09880, 0.34724}, - {0.01110, 0.01281, 0.01718, 0.02280, 0.02879, 0.03476, - 0.04096, 0.04910, 0.06417, 0.10582, 0.36861}, - {0.01115, 0.01294, 0.01721, 0.02276, 0.02862, 0.03447, - 0.04074, 0.04980, 0.06812, 0.11565, 0.37231}, - {0.03920, 0.03974, 0.04133, 0.04381, 0.04706, 0.05105, - 0.05603, 0.06299, 0.07618, 0.10860, 0.36646}, - {0.06498, 0.06529, 0.06634, 0.06808, 0.07055, 0.07395, - 0.07852, 0.08500, 0.09650, 0.12532, 0.37850}, - {0.09143, 0.09159, 0.09207, 0.09297, 0.09473, 0.00000, - 0.11102, 0.11809, 0.13245, 0.16627, 0.42496}, - {0.13646, 0.13750, 0.14112, 0.14926, 0.16806, 0.24960, - 0.20627, 0.19536, 0.20366, 0.24256, 0.50557}, - {0.20678, 0.20848, 0.21384, 0.22450, 0.24552, 0.32018, - 0.28740, 0.27477, 0.28196, 0.32128, 0.58475}, - {0.28287, 0.28461, 0.29020, 0.30108, 0.32224, 0.39467, - 0.36500, 0.35217, 0.35926, 0.39860, 0.66194}, - {0.35972, 0.36145, 0.36713, 0.37797, 0.39912, 0.47091, - 0.44212, 0.42925, 0.43632, 0.47563, 0.73892}, - {0.43667, 0.43841, 0.44413, 0.45494, 0.47607, 0.54780, - 0.51912, 0.50627, 0.51334, 0.55254, 0.81595}, - {0.51365, 0.51540, 0.52101, 0.53193, 0.55305, 0.62463, - 0.59617, 0.58328, 0.59035, 0.62965, 0.89303}, - {0.59064, 0.59240, 0.59801, 0.60893, 0.63009, 0.70169, - 0.67317, 0.66028, 0.66735, 0.70666, 0.96995}, - {0.66765, 0.66939, 0.67501, 0.68592, 0.70724, 0.77863, - 0.75016, 0.73728, 0.74435, 0.78366, 1.04696}, - {0.74464, 0.74636, 0.75200, 0.76293, 0.78405, 0.85561, - 0.82716, 0.81427, 0.82133, 0.86064, 1.12396}, - {0.82165, 0.82340, 0.82902, 0.83991, 0.86104, 0.93266, - 0.90414, 0.89128, 0.89834, 0.93763, 1.20100}, - {0.89863, 0.90042, 0.90659, 0.91705, 0.93805, 1.00960, - 0.98115, 0.96825, 0.97533, 1.01462, 1.27801}, - {0.97563, 0.97740, 0.98310, 0.99391, 1.01504, 1.08659, - 1.05814, 1.04526, 1.05233, 1.09163, 1.35503}, - {1.05276, 1.05451, 1.06002, 1.07090, 1.09099, 1.16357, - 1.13516, 1.12225, 1.12933, 1.16863, 1.43195}, - {1.12977, 1.13138, 1.13700, 1.14792, 1.16797, 1.24061, - 1.21212, 1.19926, 1.20626, 1.24554, 1.50900}, - {1.20664, 1.20839, 1.21400, 1.22490, 1.24606, 1.31772, - 1.28914, 1.27382, 1.28329, 1.32262, 1.58550}, - {1.28367, 1.28541, 1.29099, 1.30189, 1.32312, 1.39460, - 1.36612, 1.34924, 1.36030, 1.39961, 1.66310}, - {1.36064, 1.36249, 1.36799, 1.37896, 1.40004, 1.48030, - 1.44314, 1.43032, 1.43731, 1.47659, 1.73442}, - {1.43762, 1.43937, 1.44497, 1.45618, 1.47704, 1.54932, - 1.52012, 1.50725, 1.51430, 1.55357, 1.81708}, - {1.51462, 1.51937, 1.52203, 1.53316, 1.55403, 1.62572, - 1.59713, 1.58424, 1.59128, 1.63061, 1.89406}, - {1.59162, 1.59338, 1.59947, 1.60989, 1.63103, 1.70270, - 1.67411, 1.66124, 1.66799, 1.70759, 1.97103}, - {1.66874, 1.67037, 1.67597, 1.68687, 1.70814, 1.77969, - 1.75112, 1.73806, 1.74530, 1.78457, 2.04794}, - {1.74693, 1.74749, 1.75297, 1.76476, 1.78500, 1.85667, - 1.82811, 1.81504, 1.82101, 1.86161, 2.12492}, - {1.82260, 1.82437, 1.82995, 1.84174, 1.86202, 1.93372, - 1.90509, 1.89202, 1.89930, 1.93859, 2.20189}, - {1.89964, 1.90135, 1.90693, 1.91789, 1.93952, 2.01080, - 1.98207, 1.96921, 1.97628, 2.01384, 2.27887}, - {1.97662, 1.97917, 1.98611, 1.99487, 2.01601, 2.08778, - 2.05846, 2.04623, 2.05330, 2.09244, 2.35585}, - {2.05359, 2.05615, 2.06309, 2.07187, 2.09867, 2.16459, - 2.13610, 2.12322, 2.13029, 2.16942, 2.43199}, - {2.13063, 2.13233, 2.13795, 2.14886, 2.17008, 2.24199, - 2.21310, 2.20020, 2.20727, 2.24659, 2.50983}, - {2.20761, 2.20931, 2.21955, 2.22624, 2.24708, 2.32147, - 2.29009, 2.27725, 2.28276, 2.32359, 2.58680}, - {2.28459, 2.29108, 2.29202, 2.30286, 2.32007, 2.39559, - 2.36683, 2.35422, 2.36119, 2.40058, 2.66081}, - {2.36153, 2.36806, 2.36889, 2.37985, 2.40092, 2.47828, - 2.44381, 2.43099, 2.43819, 2.47750, 2.73779}}; - - // Garfield simulation at UD = -1800V; vd = 1.450cm/microsec, = 623V/cm - Float_t time1800[ktimebin][kZbin] = - {{0.09166, 0.09199, 0.09300, 0.09470, 0.09709, 0.10026, - 0.10434, 0.10983, 0.11831, 0.13987, 0.37802}, - {0.06585, 0.06623, 0.06735, 0.06921, 0.07180, 0.07520, - 0.07941, 0.08507, 0.09376, 0.11604, 0.35624}, - {0.03945, 0.04004, 0.04169, 0.04432, 0.04776, 0.05187, - 0.05674, 0.06300, 0.07290, 0.09884, 0.34704}, - {0.01108, 0.01287, 0.01717, 0.02280, 0.02880, 0.03476, - 0.04095, 0.04909, 0.06419, 0.10589, 0.36843}, - {0.01115, 0.01287, 0.01720, 0.02276, 0.02862, 0.03448, - 0.04073, 0.04973, 0.06799, 0.11535, 0.37224}, - {0.03918, 0.03975, 0.04134, 0.04382, 0.04707, 0.05105, - 0.05603, 0.06296, 0.07605, 0.10822, 0.36560}, - {0.06498, 0.06532, 0.06635, 0.06809, 0.07058, 0.07395, - 0.07855, 0.08495, 0.09632, 0.12488, 0.37730}, - {0.09130, 0.09160, 0.09199, 0.09300, 0.09472, 0.00000, - 0.11059, 0.11747, 0.13146, 0.16462, 0.42233}, - {0.13364, 0.13449, 0.13767, 0.14481, 0.16147, 0.23635, - 0.19706, 0.18812, 0.19704, 0.23520, 0.49749}, - {0.19698, 0.19844, 0.20311, 0.21236, 0.23082, 0.29920, - 0.26936, 0.25927, 0.26732, 0.30601, 0.56871}, - {0.26518, 0.26670, 0.27160, 0.28099, 0.29955, 0.36597, - 0.33885, 0.32858, 0.33653, 0.37524, 0.63801}, - {0.33441, 0.33553, 0.34040, 0.34987, 0.36841, 0.43428, - 0.40797, 0.39763, 0.40556, 0.44425, 0.70698}, - {0.40296, 0.40447, 0.40934, 0.41881, 0.43737, 0.50306, - 0.47695, 0.46662, 0.47455, 0.51329, 0.77600}, - {0.47296, 0.47344, 0.47830, 0.48779, 0.50632, 0.57200, - 0.54593, 0.53559, 0.54351, 0.58222, 0.84489}, - {0.54089, 0.54264, 0.54727, 0.55673, 0.57529, 0.64094, - 0.61490, 0.60457, 0.61249, 0.65118, 0.91394}, - {0.60987, 0.61138, 0.61624, 0.62573, 0.64428, 0.70989, - 0.68397, 0.67354, 0.68147, 0.72015, 0.98291}, - {0.67883, 0.68035, 0.68521, 0.69469, 0.71324, 0.77896, - 0.75287, 0.74251, 0.75043, 0.78912, 1.04458}, - {0.74780, 0.74932, 0.75421, 0.76367, 0.78221, 0.84785, - 0.82185, 0.81148, 0.81941, 0.85811, 1.12085}, - {0.81690, 0.81830, 0.82316, 0.83263, 0.85120, 0.91683, - 0.89077, 0.88045, 0.88837, 0.92707, 1.18976}, - {0.88574, 0.88726, 0.89228, 0.90198, 0.92017, 0.98578, - 0.95974, 0.94947, 0.95734, 0.99604, 1.25873}, - {0.95493, 0.95624, 0.96110, 0.97058, 0.98913, 1.05481, - 1.02873, 1.01839, 1.02631, 1.06503, 1.32772}, - {1.02392, 1.02524, 1.03008, 1.03955, 1.05810, 1.12378, - 1.09757, 1.08605, 1.09530, 1.13399, 1.39669}, - {1.09270, 1.09418, 1.09911, 1.10854, 1.12714, 1.19281, - 1.16502, 1.15633, 1.16427, 1.20271, 1.46574}, - {1.16168, 1.16323, 1.16801, 1.17772, 1.19604, 1.26190, - 1.23399, 1.22531, 1.23323, 1.27194, 1.53475}, - {1.23061, 1.23214, 1.23698, 1.24669, 1.26503, 1.33073, - 1.30461, 1.29428, 1.30220, 1.34091, 1.60372}, - {1.29960, 1.30110, 1.30596, 1.31544, 1.33398, 1.39962, - 1.37228, 1.36323, 1.37121, 1.40988, 1.67273}, - {1.36851, 1.37007, 1.37512, 1.38441, 1.40297, 1.46865, - 1.44256, 1.43222, 1.44017, 1.47878, 1.74155}, - {1.43752, 1.43904, 1.44773, 1.45338, 1.47220, 1.53759, - 1.51136, 1.50119, 1.50914, 1.54775, 1.81050}, - {1.50646, 1.50802, 1.51288, 1.52237, 1.54097, 1.60697, - 1.58049, 1.57018, 1.57811, 1.61678, 1.87947}, - {1.57545, 1.57720, 1.58185, 1.59134, 1.60996, 1.67787, - 1.64929, 1.63914, 1.64707, 1.68570, 1.94851}, - {1.64442, 1.64617, 1.65081, 1.66035, 1.67893, 1.74684, - 1.71826, 1.70745, 1.71604, 1.75310, 2.01748}, - {1.71337, 1.71513, 1.71978, 1.72932, 1.74645, 1.81346, - 1.78739, 1.77642, 1.78501, 1.82151, 2.08644}, - {1.78238, 1.78410, 1.78876, 1.79824, 1.81678, 1.88332, - 1.85639, 1.84262, 1.85397, 1.89270, 2.15533}, - {1.85135, 1.85306, 1.85778, 1.86728, 1.88580, 1.95615, - 1.92536, 1.91171, 1.92283, 1.96165, 2.22428}, - {1.92774, 1.92184, 1.92672, 1.93618, 1.95477, 2.02048, - 1.99427, 1.98068, 1.99192, 2.03062, 2.29338}, - {1.98929, 1.99081, 1.99567, 2.00515, 2.02373, 2.08987, - 2.06332, 2.05249, 2.05939, 2.09928, 2.36227}, - {2.05829, 2.05978, 2.06464, 2.07414, 2.09272, 2.15850, - 2.12928, 2.12194, 2.12987, 2.16825, 2.43083}, - {2.12726, 2.12869, 2.13360, 2.14425, 2.16160, 2.22872, - 2.20118, 2.19078, 2.19876, 2.23416, 2.50007}}; - - // Garfield simulation at UD = -1900V; vd = 1.610cm/microsec, = 655V/cm - Float_t time1900[ktimebin][kZbin] = - {{0.09166, 0.09198, 0.09298, 0.09467, 0.09707, 0.10023, - 0.10431, 0.10980, 0.11828, 0.13988, 0.37789}, - {0.06584, 0.06622, 0.06735, 0.06920, 0.07179, 0.07514, - 0.07938, 0.08505, 0.09374, 0.11606, 0.35599}, - {0.03945, 0.04002, 0.04169, 0.04432, 0.04775, 0.05185, - 0.05672, 0.06298, 0.07290, 0.09888, 0.34695}, - {0.01109, 0.01281, 0.01717, 0.02279, 0.02878, 0.03476, - 0.04094, 0.04909, 0.06421, 0.10597, 0.36823}, - {0.01115, 0.01287, 0.01720, 0.02294, 0.02862, 0.03448, - 0.04074, 0.04973, 0.06783, 0.11506, 0.37206}, - {0.03940, 0.03975, 0.04135, 0.04386, 0.04708, 0.05106, - 0.05604, 0.06293, 0.07592, 0.10787, 0.36484}, - {0.06500, 0.06534, 0.06638, 0.06811, 0.07060, 0.07413, - 0.07852, 0.08491, 0.09614, 0.12446, 0.37626}, - {0.09119, 0.09140, 0.09194, 0.09293, 0.09471, 0.00000, - 0.11013, 0.11685, 0.13050, 0.16302, 0.41991}, - {0.13111, 0.13190, 0.13466, 0.14091, 0.15554, 0.22409, - 0.18846, 0.18167, 0.19113, 0.22854, 0.48995}, - {0.18849, 0.18975, 0.19380, 0.20185, 0.21797, 0.28050, - 0.25368, 0.24575, 0.25446, 0.29249, 0.55442}, - {0.24995, 0.25125, 0.25563, 0.26366, 0.27986, 0.34065, - 0.31605, 0.30815, 0.31680, 0.35482, 0.61697}, - {0.31187, 0.31324, 0.31745, 0.32580, 0.34205, 0.40217, - 0.37825, 0.37031, 0.37897, 0.41696, 0.67890}, - {0.37401, 0.37531, 0.37955, 0.38777, 0.40395, 0.46408, - 0.44037, 0.43242, 0.44108, 0.47906, 0.74122}, - {0.43610, 0.43741, 0.44161, 0.44986, 0.46604, 0.52614, - 0.50248, 0.49452, 0.50316, 0.54116, 0.80326}, - {0.49820, 0.49988, 0.50372, 0.51196, 0.52814, 0.58822, - 0.56459, 0.55661, 0.56527, 0.60326, 0.86526}, - {0.56032, 0.56161, 0.56582, 0.57408, 0.59024, 0.65032, - 0.62670, 0.61872, 0.62737, 0.66537, 0.92749}, - {0.62240, 0.62371, 0.62792, 0.63624, 0.65236, 0.71241, - 0.68881, 0.68081, 0.68947, 0.72750, 0.98941}, - {0.68449, 0.68581, 0.69002, 0.69828, 0.71444, 0.77452, - 0.75089, 0.74295, 0.75157, 0.78957, 1.05157}, - {0.74660, 0.74790, 0.75212, 0.76036, 0.77654, 0.83748, - 0.81299, 0.80501, 0.81193, 0.85168, 1.11375}, - {0.80870, 0.81017, 0.81423, 0.82246, 0.83867, 0.89908, - 0.87509, 0.86660, 0.87577, 0.91376, 1.17586}, - {0.87080, 0.87233, 0.87632, 0.88458, 0.90074, 0.96083, - 0.93718, 0.92922, 0.93787, 0.97588, 1.23794}, - {0.93291, 0.93422, 0.93844, 0.94667, 0.96293, 1.02295, - 0.99929, 0.99127, 0.99997, 1.03797, 1.29995}, - {0.99500, 0.99645, 1.00308, 1.00877, 1.02497, 1.08504, - 1.06140, 1.05343, 1.06203, 1.10006, 1.36216}, - {1.05712, 1.05926, 1.06262, 1.07092, 1.08706, 1.14754, - 1.12350, 1.11550, 1.12417, 1.16218, 1.42427}, - {1.11921, 1.12059, 1.12473, 1.13297, 1.14916, 1.21140, - 1.18560, 1.17284, 1.18625, 1.22414, 1.48629}, - {1.18140, 1.18262, 1.18690, 1.19508, 1.21125, 1.27139, - 1.24164, 1.23495, 1.24838, 1.28634, 1.54852}, - {1.24340, 1.24473, 1.24901, 1.25732, 1.27336, 1.33358, - 1.30793, 1.30179, 1.31047, 1.34848, 1.61066}, - {1.30551, 1.30684, 1.31104, 1.32056, 1.33553, 1.39609, - 1.37004, 1.36392, 1.37045, 1.41057, 1.67259}, - {1.36755, 1.36892, 1.37315, 1.39148, 1.39755, 1.45820, - 1.43215, 1.42602, 1.43467, 1.47268, 1.73477}, - {1.42966, 1.43101, 1.43549, 1.45359, 1.45976, 1.52031, - 1.49601, 1.48811, 1.49677, 1.53477, 1.79691}, - {1.49180, 1.49321, 1.49760, 1.51570, 1.52175, 1.58185, - 1.55771, 1.55023, 1.55888, 1.59672, 1.85501}, - {1.55391, 1.55527, 1.55943, 1.57782, 1.58391, 1.64395, - 1.62008, 1.61233, 1.62085, 1.65883, 1.92091}, - {1.61599, 1.61732, 1.62154, 1.63993, 1.64612, 1.70608, - 1.68237, 1.67108, 1.68301, 1.72110, 1.97931}, - {1.67808, 1.67948, 1.68364, 1.70204, 1.70823, 1.76858, - 1.74404, 1.73539, 1.74512, 1.78321, 2.04522}, - {1.74019, 1.74152, 1.74573, 1.76415, 1.77015, 1.83040, - 1.80615, 1.79366, 1.80723, 1.84509, 2.10742}, - {1.80235, 1.80362, 1.80783, 1.82626, 1.83227, 1.89246, - 1.86795, 1.85405, 1.86938, 1.90720, 2.16953}, - {1.86442, 1.86572, 1.86994, 1.88837, 1.89438, 1.95445, - 1.93006, 1.92283, 1.93148, 1.96931, 2.23147}, - {1.92700, 1.92783, 1.93197, 1.95049, 1.95649, 2.01668, - 1.99217, 1.98486, 1.99352, 2.03143, 2.29358}}; - - // Garfield simulation at UD = -2000V; vd = 1.783cm/microsec, = 688V/cm - Float_t time2000[ktimebin][kZbin] = - {{0.09176, 0.09196, 0.09296, 0.09465, 0.09704, 0.10020, - 0.10427, 0.10977, 0.11825, 0.13988, 0.37774}, - {0.06583, 0.06620, 0.06735, 0.06918, 0.07177, 0.07513, - 0.07936, 0.08503, 0.09372, 0.11606, 0.35586}, - {0.03944, 0.04001, 0.04170, 0.04431, 0.04774, 0.05184, - 0.05670, 0.06296, 0.07291, 0.09893, 0.34680}, - {0.01108, 0.01281, 0.01719, 0.02279, 0.02879, 0.03474, - 0.04093, 0.04908, 0.06422, 0.10605, 0.36800}, - {0.01114, 0.01287, 0.01720, 0.02276, 0.02863, 0.03449, - 0.04073, 0.04970, 0.06774, 0.11478, 0.37179}, - {0.03925, 0.03977, 0.04135, 0.04386, 0.04711, 0.05108, - 0.05604, 0.06290, 0.07580, 0.10748, 0.36386}, - {0.06501, 0.06536, 0.06640, 0.06814, 0.07062, 0.07398, - 0.07852, 0.08487, 0.09598, 0.12405, 0.37519}, - {0.09109, 0.09127, 0.09188, 0.09292, 0.09472, 0.00000, - 0.10964, 0.11630, 0.12960, 0.16150, 0.41765}, - {0.12898, 0.12968, 0.13209, 0.13749, 0.15034, 0.21286, - 0.18088, 0.17590, 0.18591, 0.22254, 0.48315}, - {0.18122, 0.18227, 0.18574, 0.19263, 0.20674, 0.26376, - 0.23960, 0.23375, 0.24316, 0.28047, 0.54179}, - {0.23674, 0.23784, 0.24142, 0.24847, 0.26264, 0.31810, - 0.29602, 0.29008, 0.29944, 0.33675, 0.59795}, - {0.29279, 0.29382, 0.29742, 0.30448, 0.31865, 0.37364, - 0.35215, 0.34629, 0.35555, 0.39286, 0.65411}, - {0.34875, 0.34987, 0.35346, 0.36054, 0.37472, 0.42956, - 0.40825, 0.40229, 0.41167, 0.44894, 0.71033}, - {0.40484, 0.40594, 0.40954, 0.41660, 0.43077, 0.48560, - 0.46433, 0.45840, 0.46772, 0.50500, 0.76632}, - {0.46090, 0.46201, 0.46560, 0.47267, 0.48684, 0.54167, - 0.52041, 0.51449, 0.52382, 0.56108, 0.82227}, - {0.51698, 0.51809, 0.52173, 0.52874, 0.54291, 0.59776, - 0.57646, 0.57052, 0.57986, 0.61717, 0.87836}, - {0.57306, 0.57418, 0.57782, 0.58513, 0.59899, 0.65380, - 0.63255, 0.62661, 0.63594, 0.67325, 0.93460}, - {0.62912, 0.63024, 0.63383, 0.64103, 0.65506, 0.70988, - 0.68484, 0.68267, 0.69202, 0.72878, 0.99046}, - {0.68521, 0.68633, 0.68990, 0.69699, 0.71115, 0.76595, - 0.74468, 0.73872, 0.74814, 0.78538, 1.04674}, - {0.74127, 0.74239, 0.74605, 0.75303, 0.77022, 0.82204, - 0.80078, 0.79484, 0.80416, 0.84147, 1.10261}, - {0.79736, 0.79846, 0.80206, 0.80947, 0.82330, 0.87813, - 0.85688, 0.85087, 0.86023, 0.89752, 1.15874}, - {0.85342, 0.85454, 0.85815, 0.86519, 0.87936, 0.93417, - 0.91293, 0.90428, 0.91631, 0.95360, 1.20760}, - {0.90949, 0.91061, 0.91423, 0.92128, 0.93544, 0.99026, - 0.96807, 0.96305, 0.97239, 1.00967, 1.27078}, - {0.96556, 0.96669, 0.97111, 0.97734, 0.99151, 1.04664, - 1.02508, 1.01879, 1.02846, 1.06167, 1.32695}, - {1.02167, 1.02279, 1.02656, 1.03341, 1.04759, 1.10242, - 1.08115, 1.07003, 1.08453, 1.12184, 1.38304}, - {1.07776, 1.07883, 1.08242, 1.08950, 1.10384, 1.16422, - 1.13725, 1.13133, 1.14061, 1.17793, 1.43910}, - {1.13379, 1.13492, 1.13864, 1.14567, 1.15973, 1.21455, - 1.19323, 1.18734, 1.19668, 1.23401, 1.49528}, - {1.18988, 1.19098, 1.19457, 1.20164, 1.21582, 1.27064, - 1.24937, 1.24044, 1.25275, 1.29004, 1.55137}, - {1.24592, 1.24706, 1.25087, 1.25773, 1.27188, 1.32670, - 1.30544, 1.29953, 1.30883, 1.34613, 1.60743}, - {1.30202, 1.30313, 1.30673, 1.31381, 1.32797, 1.38278, - 1.36151, 1.35167, 1.36490, 1.40221, 1.66306}, - {1.35809, 1.35921, 1.36282, 1.36986, 1.38403, 1.43888, - 1.41760, 1.41174, 1.42083, 1.45830, 1.71915}, - {1.41419, 1.41528, 1.41890, 1.42595, 1.44011, 1.49496, - 1.47368, 1.46769, 1.47706, 1.51436, 1.77523}, - {1.47131, 1.47141, 1.47494, 1.48850, 1.49620, 1.55137, - 1.52977, 1.51820, 1.53315, 1.57042, 1.83158}, - {1.52635, 1.52750, 1.53103, 1.53814, 1.55228, 1.60736, - 1.58503, 1.57986, 1.58920, 1.62649, 1.88767}, - {1.58418, 1.58355, 1.58711, 1.59526, 1.60833, 1.66316, - 1.63345, 1.63261, 1.64556, 1.68204, 1.94359}, - {1.64027, 1.63958, 1.64489, 1.65024, 1.66443, 1.71925, - 1.69794, 1.69201, 1.70143, 1.73865, 1.99968}, - {1.69450, 1.69566, 1.69940, 1.70697, 1.71841, 1.77819, - 1.75396, 1.74814, 1.75743, 1.79083, 2.05427}, - {1.75054, 1.75221, 1.75527, 1.76306, 1.77662, 1.83428, - 1.81006, 1.81173, 1.81345, 1.85076, 2.10289}}; - - // Garfield simulation at UD = -2100V; vd = 1.959cm/microsec, = 720V/cm - Float_t time2100[ktimebin][kZbin] = - {{0.09160, 0.09194, 0.09294, 0.09462, 0.09701, 0.10017, - 0.10424, 0.10974, 0.11823, 0.13988, 0.37762}, - {0.06585, 0.06619, 0.06731, 0.06916, 0.07174, 0.07509, - 0.07933, 0.08500, 0.09370, 0.11609, 0.35565}, - {0.03960, 0.04001, 0.04171, 0.04430, 0.04774, 0.05182, - 0.05668, 0.06294, 0.07291, 0.09896, 0.34676}, - {0.01109, 0.01280, 0.01716, 0.02279, 0.02876, 0.03474, - 0.04096, 0.04908, 0.06424, 0.10612, 0.36790}, - {0.01114, 0.01285, 0.01719, 0.02287, 0.02863, 0.03449, - 0.04073, 0.04964, 0.06759, 0.11446, 0.37162}, - {0.03922, 0.03977, 0.04146, 0.04386, 0.04711, 0.05109, - 0.05605, 0.06287, 0.07575, 0.10713, 0.36298}, - {0.06504, 0.06538, 0.06641, 0.06818, 0.07064, 0.07426, - 0.07852, 0.08483, 0.09581, 0.12363, 0.37424}, - {0.09103, 0.09129, 0.09186, 0.09291, 0.09476, 0.00000, - 0.10923, 0.11578, 0.12873, 0.16005, 0.41525}, - {0.12723, 0.12777, 0.12988, 0.13458, 0.14579, 0.20264, - 0.17421, 0.17078, 0.18132, 0.21708, 0.47699}, - {0.17508, 0.17601, 0.17897, 0.18487, 0.19698, 0.24881, - 0.22737, 0.22337, 0.23348, 0.27000, 0.53032}, - {0.22571, 0.22663, 0.22969, 0.23570, 0.24787, 0.29826, - 0.27871, 0.27462, 0.28471, 0.32122, 0.58166}, - {0.27664, 0.27759, 0.28067, 0.28669, 0.29891, 0.34898, - 0.32982, 0.32570, 0.33576, 0.37229, 0.63268}, - {0.32766, 0.32862, 0.33170, 0.33778, 0.34988, 0.39973, - 0.38088, 0.37675, 0.38680, 0.42333, 0.68159}, - {0.37872, 0.37966, 0.38275, 0.38875, 0.40093, 0.45073, - 0.43192, 0.42780, 0.43786, 0.47438, 0.73480}, - {0.42974, 0.43070, 0.43378, 0.43982, 0.45196, 0.50177, - 0.48297, 0.47884, 0.48889, 0.52544, 0.78581}, - {0.48081, 0.48175, 0.48482, 0.49084, 0.50302, 0.55290, - 0.53398, 0.52988, 0.53994, 0.57647, 0.83687}, - {0.53645, 0.53295, 0.53586, 0.54188, 0.55408, 0.60398, - 0.58504, 0.58092, 0.59100, 0.62768, 0.88773}, - {0.58345, 0.58409, 0.58690, 0.59292, 0.60510, 0.65562, - 0.63609, 0.63197, 0.64203, 0.67856, 0.93907}, - {0.63397, 0.63490, 0.63795, 0.64403, 0.65613, 0.70612, - 0.68714, 0.68301, 0.69294, 0.72955, 0.99000}, - {0.68496, 0.68592, 0.68899, 0.69504, 0.70733, 0.75708, - 0.73818, 0.73405, 0.74412, 0.78064, 1.04100}, - {0.73600, 0.73696, 0.74003, 0.74624, 0.75828, 0.80805, - 0.78904, 0.78512, 0.79517, 0.83152, 1.09205}, - {0.78709, 0.78801, 0.79108, 0.79709, 0.80931, 0.85906, - 0.84027, 0.83614, 0.84621, 0.88269, 1.14058}, - {0.83808, 0.83905, 0.84215, 0.84816, 0.86031, 0.91011, - 0.89139, 0.88718, 0.89725, 0.93377, 1.19413}, - {0.88916, 0.89010, 0.89320, 0.89920, 0.91136, 0.96117, - 0.94235, 0.93822, 0.94828, 0.98480, 1.24538}, - {0.94036, 0.94113, 0.94422, 0.95023, 0.96241, 1.01220, - 0.99310, 0.98927, 0.99933, 1.03585, 1.29629}, - {0.99139, 0.99220, 0.99525, 1.00127, 1.01344, 1.06324, - 1.04451, 1.04033, 1.04836, 1.08690, 1.34727}, - {1.04261, 1.04325, 1.04628, 1.05232, 1.06448, 1.12090, - 1.09546, 1.09136, 1.10142, 1.13795, 1.39831}, - {1.09331, 1.09429, 1.09742, 1.10336, 1.11557, 1.16547, - 1.14658, 1.13642, 1.15247, 1.18898, 1.44936}, - {1.14436, 1.14539, 1.14847, 1.15443, 1.16662, 1.21794, - 1.19763, 1.19329, 1.20349, 1.23956, 1.50043}, - {1.19533, 1.19651, 1.19943, 1.20548, 1.21666, 1.26753, - 1.24862, 1.24434, 1.25455, 1.29106, 1.55142}, - {1.24638, 1.24756, 1.25046, 1.25648, 1.26764, 1.31858, - 1.29967, 1.29538, 1.30499, 1.34211, 1.60250}, - {1.29747, 1.29847, 1.30175, 1.30753, 1.31869, 1.36969, - 1.35069, 1.34656, 1.35663, 1.39316, 1.64644}, - {1.35537, 1.34952, 1.35255, 1.35869, 1.36973, 1.41387, - 1.40173, 1.39761, 1.40768, 1.44396, 1.70238}, - {1.39956, 1.40056, 1.40380, 1.40961, 1.42178, 1.46492, - 1.45278, 1.45423, 1.45872, 1.49522, 1.75557}, - {1.45080, 1.45159, 1.45463, 1.46109, 1.47287, 1.52263, - 1.50382, 1.50050, 1.50977, 1.54502, 1.80670}, - {1.50165, 1.50264, 1.50570, 1.51214, 1.52233, 1.57370, - 1.55484, 1.55155, 1.56080, 1.59731, 1.85778}, - {1.55269, 1.55364, 1.55675, 1.56274, 1.57491, 1.62598, - 1.60590, 1.60259, 1.61185, 1.64836, 1.90883}, - {1.60368, 1.60469, 1.60779, 1.61373, 1.62596, 1.67738, - 1.65651, 1.65249, 1.66290, 1.69936, 1.95959}}; - - // Garfield simulation at UD = -2200V; vd = 2.134cm/microsec, = 753V/cm - Float_t time2200[ktimebin][kZbin] = - {{0.09162, 0.09194, 0.09292, 0.09460, 0.09702, 0.10014, - 0.10421, 0.10971, 0.11820, 0.13990, 0.37745}, - {0.06581, 0.06618, 0.06730, 0.06915, 0.07173, 0.07507, - 0.07931, 0.08497, 0.09368, 0.11609, 0.35560}, - {0.03947, 0.04001, 0.04167, 0.04429, 0.04772, 0.05183, - 0.05667, 0.06293, 0.07292, 0.09900, 0.34673}, - {0.01111, 0.01280, 0.01716, 0.02279, 0.02876, 0.03473, - 0.04091, 0.04907, 0.06426, 0.10620, 0.36766}, - {0.01113, 0.01285, 0.01719, 0.02276, 0.02863, 0.03452, - 0.04076, 0.04960, 0.06745, 0.11419, 0.37139}, - {0.03923, 0.03978, 0.04137, 0.04387, 0.04713, 0.05110, - 0.05605, 0.06284, 0.07551, 0.10677, 0.36210}, - {0.06505, 0.06540, 0.06644, 0.06820, 0.07069, 0.07401, - 0.07852, 0.08479, 0.09565, 0.12325, 0.37313}, - {0.09107, 0.09127, 0.09181, 0.09291, 0.09474, 0.00000, - 0.10883, 0.11528, 0.12789, 0.15865, 0.41313}, - {0.12559, 0.12622, 0.12800, 0.13206, 0.14166, 0.19331, - 0.16832, 0.16632, 0.17724, 0.21218, 0.47098}, - {0.16992, 0.17070, 0.17325, 0.17831, 0.18871, 0.23557, - 0.21690, 0.21451, 0.22514, 0.26082, 0.52034}, - {0.21640, 0.21722, 0.21987, 0.22500, 0.23540, 0.28097, - 0.26399, 0.26154, 0.27214, 0.30784, 0.56734}, - {0.26318, 0.26400, 0.26679, 0.27181, 0.28220, 0.32739, - 0.31090, 0.30842, 0.31902, 0.35474, 0.61415}, - {0.31001, 0.31085, 0.31348, 0.31866, 0.32903, 0.37412, - 0.35777, 0.35546, 0.36588, 0.40159, 0.66103}, - {0.35687, 0.35769, 0.36033, 0.36556, 0.37588, 0.42094, - 0.40523, 0.40214, 0.41273, 0.44841, 0.70785}, - {0.40372, 0.40457, 0.40723, 0.41234, 0.42273, 0.46778, - 0.45148, 0.44903, 0.45961, 0.49526, 0.75486}, - {0.45062, 0.45139, 0.45404, 0.45966, 0.46958, 0.51470, - 0.49833, 0.49584, 0.50644, 0.54211, 0.80160}, - {0.49742, 0.49825, 0.50088, 0.50605, 0.51644, 0.56148, - 0.54518, 0.54270, 0.55330, 0.58897, 0.84854}, - {0.54427, 0.54510, 0.54774, 0.55290, 0.56329, 0.60846, - 0.59203, 0.58955, 0.60014, 0.63578, 0.89528}, - {0.59119, 0.59199, 0.59471, 0.59975, 0.61014, 0.65533, - 0.63889, 0.63636, 0.64699, 0.68269, 0.94197}, - {0.63866, 0.63880, 0.64145, 0.64664, 0.65701, 0.70639, - 0.68574, 0.68325, 0.69385, 0.72949, 0.98900}, - {0.68483, 0.68566, 0.68831, 0.69347, 0.70386, 0.74890, - 0.73260, 0.73010, 0.74069, 0.77638, 1.03320}, - {0.73168, 0.73255, 0.73515, 0.74031, 0.75072, 0.79576, - 0.77117, 0.77501, 0.78755, 0.82318, 1.08006}, - {0.77854, 0.78310, 0.78200, 0.79525, 0.79756, 0.84281, - 0.81803, 0.82393, 0.83441, 0.87008, 1.12692}, - {0.82541, 0.82642, 0.82916, 0.83528, 0.84442, 0.89086, - 0.87315, 0.87079, 0.88125, 0.91694, 1.17648}, - {0.87226, 0.87308, 0.87602, 0.88086, 0.89128, 0.93772, - 0.92001, 0.91751, 0.92811, 0.95587, 1.22328}, - {0.91921, 0.91994, 0.92256, 0.92772, 0.94713, 0.98566, - 0.96690, 0.96436, 0.97495, 1.01064, 1.26882}, - {0.96790, 0.96679, 0.96941, 0.97463, 0.99399, 1.03001, - 1.01376, 1.01112, 1.02181, 1.05749, 1.31568}, - {1.01278, 1.01390, 1.01674, 1.02147, 1.03182, 1.07820, - 1.06056, 1.05798, 1.06867, 1.10433, 1.36390}, - {1.05964, 1.06076, 1.06331, 1.06833, 1.07870, 1.13297, - 1.10742, 1.10520, 1.11543, 1.15120, 1.41069}, - {1.10664, 1.10762, 1.10997, 1.11519, 1.12556, 1.17531, - 1.15427, 1.14620, 1.16229, 1.19805, 1.45758}, - {1.15352, 1.15421, 1.15683, 1.16218, 1.17242, 1.21910, - 1.20035, 1.19863, 1.20579, 1.24473, 1.50412}, - {1.20019, 1.20115, 1.20369, 1.20892, 1.21928, 1.26913, - 1.24721, 1.24549, 1.25605, 1.29159, 1.54920}, - {1.24707, 1.24846, 1.25052, 1.25602, 1.26608, 1.31558, - 1.29448, 1.29232, 1.30293, 1.33675, 1.59798}, - {1.29391, 1.29475, 1.29738, 1.30255, 1.31294, 1.36244, - 1.34167, 1.33918, 1.34979, 1.38229, 1.64496}, - {1.34078, 1.34304, 1.34424, 1.35565, 1.35980, 1.40930, - 1.38853, 1.38229, 1.39664, 1.42863, 1.69162}, - {1.38762, 1.38847, 1.39110, 1.39627, 1.40666, 1.45183, - 1.43539, 1.43289, 1.44348, 1.47549, 1.73876}, - {1.43524, 1.43533, 1.43796, 1.44310, 1.45371, 1.49305, - 1.48224, 1.47941, 1.49034, 1.52601, 1.78552}, - {1.48122, 1.48219, 1.48482, 1.48991, 1.50030, 1.53991, - 1.52898, 1.52653, 1.53653, 1.57282, 1.82386}}; - - if (fTimeStructInfo.fTimeStruct1) delete [] fTimeStructInfo.fTimeStruct1; - fTimeStructInfo.fTimeStruct1 = new Float_t[ktimebin*kZbin]; - - if (fTimeStructInfo.fTimeStruct2) delete [] fTimeStructInfo.fTimeStruct2; - fTimeStructInfo.fTimeStruct2 = new Float_t[ktimebin*kZbin]; - - for (Int_t ctrt = 0; ctrt fVDsmp[6] ) { - fTimeStructInfo.fTimeStruct1[ctrt+ctrz*ktimebin] = time2100[ctrt][ctrz]; - fTimeStructInfo.fTimeStruct2[ctrt+ctrz*ktimebin] = time2200[ctrt][ctrz]; - fTimeStructInfo.fVDlo = fVDsmp[6]; - fTimeStructInfo.fVDhi = fVDsmp[7]; - } else if ( vdrift > fVDsmp[5] ) { - fTimeStructInfo.fTimeStruct1[ctrt+ctrz*ktimebin] = time2000[ctrt][ctrz]; - fTimeStructInfo.fTimeStruct2[ctrt+ctrz*ktimebin] = time2100[ctrt][ctrz]; - fTimeStructInfo.fVDlo = fVDsmp[5]; - fTimeStructInfo.fVDhi = fVDsmp[6]; - } else if ( vdrift > fVDsmp[4] ) { - fTimeStructInfo.fTimeStruct1[ctrt+ctrz*ktimebin] = time1900[ctrt][ctrz]; - fTimeStructInfo.fTimeStruct2[ctrt+ctrz*ktimebin] = time2000[ctrt][ctrz]; - fTimeStructInfo.fVDlo = fVDsmp[4]; - fTimeStructInfo.fVDhi = fVDsmp[5]; - } else if ( vdrift > fVDsmp[3] ) { - fTimeStructInfo.fTimeStruct1[ctrt+ctrz*ktimebin] = time1800[ctrt][ctrz]; - fTimeStructInfo.fTimeStruct2[ctrt+ctrz*ktimebin] = time1900[ctrt][ctrz]; - fTimeStructInfo.fVDlo = fVDsmp[3]; - fTimeStructInfo.fVDhi = fVDsmp[4]; - } else if ( vdrift > fVDsmp[2] ) { - fTimeStructInfo.fTimeStruct1[ctrt+ctrz*ktimebin] = time1700[ctrt][ctrz]; - fTimeStructInfo.fTimeStruct2[ctrt+ctrz*ktimebin] = time1800[ctrt][ctrz]; - fTimeStructInfo.fVDlo = fVDsmp[2]; - fTimeStructInfo.fVDhi = fVDsmp[3]; - } else if ( vdrift > fVDsmp[1] ) { - fTimeStructInfo.fTimeStruct1[ctrt+ctrz*ktimebin] = time1600[ctrt][ctrz]; - fTimeStructInfo.fTimeStruct2[ctrt+ctrz*ktimebin] = time1700[ctrt][ctrz]; - fTimeStructInfo.fVDlo = fVDsmp[1]; - fTimeStructInfo.fVDhi = fVDsmp[2]; - } else if ( vdrift > (fVDsmp[0] - 1.e-5) ) { - fTimeStructInfo.fTimeStruct1[ctrt+ctrz*ktimebin] = time1500[ctrt][ctrz]; - fTimeStructInfo.fTimeStruct2[ctrt+ctrz*ktimebin] = time1600[ctrt][ctrz]; - fTimeStructInfo.fVDlo = fVDsmp[0]; - fTimeStructInfo.fVDhi = fVDsmp[1]; - } - } - } -} -//_____________________________________________________________________________ -void AliTRDdigitizer::RecalcDiffusion(Float_t vdrift) -{ - if (vdrift == fDiffusionInfo.fLastVdrift) - return; - - if (!fPar) { - fPar = new AliTRDparameter("TRDparameter","Standard TRD parameter"); - if (fDebug > 0) { - printf(" "); - printf("Create the default parameter object\n"); - } - } - - AliTRDSimParam* simParam = AliTRDSimParam::Instance(); - if (!simParam) - { - printf(" "); - printf("Could not get simulation params\n"); - return; + Double_t omegaTau = AliTRDCommonParam::Instance()->GetOmegaTau(vd); + Double_t lorentzFactor = 1.0; + if (AliTRDCommonParam::Instance()->ExBOn()) { + lorentzFactor = 1.0 / (1.0 + omegaTau*omegaTau); } - - AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance(); - if (!commonParam) - { - printf(" "); - printf("Could not get common params\n"); - return; - } - - AliTRDcalibDB* calibration = AliTRDcalibDB::Instance(); - if (!calibration) - { - printf(" "); - printf("Could not get calibration object\n"); - return; - } - - Float_t field = commonParam->GetField(); - fDiffusionInfo.fLastVdrift = vdrift; - - //DiffusionL - { - const Int_t kNb = 5; - Float_t p0[kNb] = { 0.007440, 0.007493, 0.007513, 0.007672, 0.007831 }; - Float_t p1[kNb] = { 0.019252, 0.018912, 0.018636, 0.018012, 0.017343 }; - Float_t p2[kNb] = { -0.005042, -0.004926, -0.004867, -0.004650, -0.004424 }; - Float_t p3[kNb] = { 0.000195, 0.000189, 0.000195, 0.000182, 0.000169 }; - Int_t ib = ((Int_t) (10 * (field - 0.15))); - ib = TMath::Max( 0,ib); - ib = TMath::Min(kNb,ib); + return lorentzFactor; - fDiffusionInfo.fDiffusionL = p0[ib] - + p1[ib] * vdrift - + p2[ib] * vdrift*vdrift - + p3[ib] * vdrift*vdrift*vdrift; - } - - //DiffusionT - { - const Int_t kNb = 5; - Float_t p0[kNb] = { 0.009550, 0.009599, 0.009674, 0.009757, 0.009850 }; - Float_t p1[kNb] = { 0.006667, 0.006539, 0.006359, 0.006153, 0.005925 }; - Float_t p2[kNb] = { -0.000853, -0.000798, -0.000721, -0.000635, -0.000541 }; - Float_t p3[kNb] = { 0.000131, 0.000122, 0.000111, 0.000098, 0.000085 }; - - Int_t ib = ((Int_t) (10 * (field - 0.15))); - ib = TMath::Max( 0,ib); - ib = TMath::Min(kNb,ib); - - fDiffusionInfo.fDiffusionT = p0[ib] - + p1[ib] * vdrift - + p2[ib] * vdrift*vdrift - + p3[ib] * vdrift*vdrift*vdrift; - } - - //OmegaTau - fDiffusionInfo.fOmegaTau = calibration->GetOmegaTau(vdrift); - - //Lorentzfactor - { - if (commonParam->ExBOn()) { - fDiffusionInfo.fLorentzFactor = 1.0 / (1.0 + fDiffusionInfo.fOmegaTau*fDiffusionInfo.fOmegaTau); - } - else { - fDiffusionInfo.fLorentzFactor = 1.0; - } - } } //_____________________________________________________________________________ -Float_t AliTRDdigitizer::GetDiffusionL(Float_t vdrift) +Int_t AliTRDdigitizer::ExB(Float_t vdrift, Double_t driftlength, Double_t &lCol) { // - // Returns the longitudinal diffusion coefficient for a given drift - // velocity and a B-field for Xe/CO2 (15%). - // The values are according to a GARFIELD simulation. + // Applies E x B effects to the position of a single electron. + // Depends on signed drift length. // - RecalcDiffusion(vdrift); - return fDiffusionInfo.fDiffusionL; -} + lCol = lCol + + AliTRDCommonParam::Instance()->GetOmegaTau(vdrift) + * driftlength; -//_____________________________________________________________________________ -Float_t AliTRDdigitizer::GetDiffusionT(Float_t vdrift) -{ - // - // Returns the transverse diffusion coefficient for a given drift - // velocity and a B-field for Xe/CO2 (15%). - // The values are according to a GARFIELD simulation. - // + return 1; - RecalcDiffusion(vdrift); - return fDiffusionInfo.fDiffusionT; } //_____________________________________________________________________________ -Int_t AliTRDdigitizer::Diffusion(Float_t vdrift, Double_t driftlength, Double_t *xyz) +void AliTRDdigitizer::RunDigitalProcessing(Int_t det) { // - // Applies the diffusion smearing to the position of a single electron + // Run the digital processing in the TRAP // - - RecalcDiffusion(vdrift); - Float_t driftSqrt = TMath::Sqrt(driftlength); - Float_t sigmaT = driftSqrt * fDiffusionInfo.fDiffusionT; - Float_t sigmaL = driftSqrt * fDiffusionInfo.fDiffusionL; - xyz[0] = gRandom->Gaus(xyz[0], sigmaL * GetLorentzFactor(vdrift)); - xyz[1] = gRandom->Gaus(xyz[1], sigmaT * GetLorentzFactor(vdrift)); - xyz[2] = gRandom->Gaus(xyz[2], sigmaT); + AliTRDfeeParam *feeParam = AliTRDfeeParam::Instance(); - return 1; -} + //Create and initialize the mcm object + AliTRDmcmSim* mcmfast = new AliTRDmcmSim(); -//_____________________________________________________________________________ -Float_t AliTRDdigitizer::GetLorentzFactor(Float_t vd) -{ - RecalcDiffusion(vd); - return fDiffusionInfo.fLorentzFactor; -} - -//_____________________________________________________________________________ -Int_t AliTRDdigitizer::ExB(Float_t vdrift, Double_t driftlength, Double_t *xyz) -{ - // - // Applies E x B effects to the position of a single electron - // - - RecalcDiffusion(vdrift); - - xyz[0] = xyz[0]; - xyz[1] = xyz[1] + fDiffusionInfo.fOmegaTau * driftlength; - xyz[2] = xyz[2]; + AliTRDarrayADC *digits = fDigitsManager->GetDigits(det); + if (!digits) + return; + + //Call the methods in the mcm class using the temporary array as input + for(Int_t rob = 0; rob < digits->GetNrow() / 2; rob++) + { + for(Int_t mcm = 0; mcm < 16; mcm++) + { + mcmfast->Init(det, rob, mcm); + mcmfast->SetData(digits, fDigitsManager); + mcmfast->Filter(); + if (feeParam->GetTracklet()) { + mcmfast->Tracklet(); + mcmfast->StoreTracklets(); + } + mcmfast->ZSMapping(); + mcmfast->WriteData(digits); + } + } + + delete mcmfast; - return 1; }