* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-
/* $Id$ */
//_________________________________________________________________________
//*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH)
//////////////////////////////////////////////////////////////////////////////
+
// --- ROOT system ---
+class TFile;
+#include <TFolder.h>
+#include <TTree.h>
+#include <TVirtualMC.h>
+#include <TH1F.h>
+#include <TF1.h>
+#include <TRandom.h>
// --- Standard library ---
// --- AliRoot header files ---
-
+#include "AliMagF.h"
#include "AliPHOS.h"
-#include "AliMC.h"
+#include "AliPHOSGetter.h"
#include "AliRun.h"
+#include "AliPHOSDigitizer.h"
+#include "AliPHOSSDigitizer.h"
+#include "AliPHOSDigit.h"
+#include "AliAltroBuffer.h"
+#include "AliLog.h"
ClassImp(AliPHOS)
+Double_t AliPHOS::fgCapa = 1.; // 1pF
+Int_t AliPHOS::fgOrder = 2 ;
+Double_t AliPHOS::fgTimeMax = 2.56E-5 ; // each sample is over 100 ns fTimeMax/fTimeBins
+Double_t AliPHOS::fgTimePeak = 4.1E-6 ; // 4 micro seconds
+Double_t AliPHOS::fgTimeTrigger = 100E-9 ; // 100ns, just for a reference
+
+
//____________________________________________________________________________
-AliPHOS::~AliPHOS()
+ AliPHOS:: AliPHOS() : AliDetector()
{
- delete fHits ;
- delete fDigits ;
+ // Default ctor
+ fName = "PHOS" ;
+ fQATask = 0;
+ fTreeQA = 0;
+ fDebug = 0;
+
+}
+
+//____________________________________________________________________________
+AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title)
+{
+ // ctor : title is used to identify the layout
+
+ fQATask = 0 ;
+ fTreeQA = 0 ;
+ fDebug = 0 ;
+ fHighCharge = 8.2 ; // adjusted for a high gain range of 5.12 GeV (10 bits)
+ fHighGain = 6.64 ;
+ fHighLowGainFactor = 16. ; // adjusted for a low gain range of 82 GeV (10 bits)
+ fLowGainOffset = GetGeometry()->GetNModules() + 1 ;
+ // offset added to the module id to distinguish high and low gain data
+}
+
+//____________________________________________________________________________
+AliPHOS::~AliPHOS()
+{
+}
+
+//____________________________________________________________________________
+void AliPHOS::Copy(AliPHOS & phos)
+{
+ // copy method to be used byy the cpy ctor
+ TObject::Copy(phos) ;
+ // fQATask = AliPHOSQAChecker::Copy(*(phos.fQATask)) ;
+ phos.fTreeQA = fTreeQA->CloneTree() ;
+}
+
+//____________________________________________________________________________
+AliDigitizer* AliPHOS::CreateDigitizer(AliRunDigitizer* manager) const
+{
+ return new AliPHOSDigitizer(manager);
}
//____________________________________________________________________________
Float_t aTI[2] = {12.011, 1.00794} ;
Float_t zTI[2] = {6.0, 1.0} ;
Float_t wTI[2] = {1.0, 1.0} ;
- Float_t dTI = 0.1 ;
+ Float_t dTI = 0.04 ;
AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;
AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;
// ArCo2
- Char_t namate[21];
+ Char_t namate[21]="";
Float_t aGM[2] ;
Float_t zGM[2] ;
Float_t wGM[2] ;
wGM[1] = 1. - arContent ;
dGM = wGM[0] * dAr + wGM[1] * dCO;
+
AliMixture(16, "ArCO2$", aGM, zGM, dGM, 2, wGM) ;
-
+ // --- Stainless steel (let it be pure iron) ---
+ AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ;
+
+
+ // --- Fiberglass ---
+ Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ;
+ Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ;
+ Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ;
+ Float_t dFG = 1.9 ;
+
+ AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ;
+
+ // --- Cables in Air box ---
+ // SERVICES
+
+ Float_t aCA[4] = { 1.,12.,55.8,63.5 };
+ Float_t zCA[4] = { 1.,6.,26.,29. };
+ Float_t wCA[4] = { .014,.086,.42,.48 };
+ Float_t dCA = 0.8 ; //this density is raw estimation, if you know better - correct
+
+ AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ;
+
+
// --- Air ---
- AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
-
+ Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
+ Float_t zAir[4]={6.,7.,8.,18.};
+ Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
+ Float_t dAir = 1.20479E-3;
+ AliMixture(99, "Air$", aAir, zAir, dAir, 4, wAir) ;
+
// DEFINITION OF THE TRACKING MEDIA
// for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
AliMedium(16, "ArCo2 $", 16, 1,
isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
+ // Stainless steel -> idtmed[716]
+ AliMedium(17, "Steel $", 17, 0,
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
+
+ // Fibergalss -> idtmed[717]
+ AliMedium(18, "Fiberglass$", 18, 0,
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+
+ // Cables in air -> idtmed[718]
+ AliMedium(19, "Cables $", 19, 0,
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+
// Air -> idtmed[798]
AliMedium(99, "Air $", 99, 0,
isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
}
//____________________________________________________________________________
-RecPointsList * AliPHOS::EmcRecPoints(Int_t evt)
+void AliPHOS::Digits2Raw()
{
- // returns the pointer to the EMCA RecPoints list
- // if the list is empty, get it from TreeR on the disk file
+// convert digits of the current event to raw data
+
+ AliPHOSLoader * loader = dynamic_cast<AliPHOSLoader*>(fLoader) ;
+
+ // get the digits
+ loader->LoadDigits();
+ TClonesArray* digits = loader->Digits() ;
- RecPointsList * rv = 0 ;
+ if (!digits) {
+ Error("Digits2Raw", "no digits found !");
+ return;
+ }
+
+ // get the digitizer
+ loader->LoadDigitizer();
+ AliPHOSDigitizer * digitizer = dynamic_cast<AliPHOSDigitizer *>(loader->Digitizer()) ;
- if ( fEmcRecPoints )
- rv = fEmcRecPoints ;
-
- else {
- fEmcRecPoints = new TClonesArray("AliPHOSEmcRecPoint", 100) ;
- gAlice->GetEvent(evt) ;
- TTree * fReconstruct = gAlice->TreeR() ;
- fReconstruct->SetBranchAddress( "PHOSEmcRP", &fEmcRecPoints) ;
- fReconstruct->GetEvent(0) ;
- fEmcRecPoints->Expand( fEmcRecPoints->GetEntries() ) ;
- rv = fEmcRecPoints ;
+ // get the geometry
+ AliPHOSGeometry* geom = GetGeometry();
+ if (!geom) {
+ Error("Digits2Raw", "no geometry found !");
+ return;
+ }
+
+ // some digitization constants
+ const Int_t kDDLOffset = 0x600; // assigned to PHOS
+ const Int_t kThreshold = 1; // skip digits below this threshold
+
+ AliAltroBuffer* buffer = NULL;
+ Int_t prevDDL = -1;
+ Int_t adcValuesLow[fkTimeBins];
+ Int_t adcValuesHigh[fkTimeBins];
+
+ // loop over digits (assume ordered digits)
+ for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) {
+ AliPHOSDigit* digit = dynamic_cast<AliPHOSDigit *>(digits->At(iDigit)) ;
+ if (digit->GetAmp() < kThreshold)
+ continue;
+ Int_t relId[4];
+ geom->AbsToRelNumbering(digit->GetId(), relId);
+ Int_t module = relId[0];
+
+ // Begin FIXME
+ if (relId[1] != 0)
+ continue; // ignore digits from CPV
+ // End FIXME
+
+ // PHOS EMCA has 4 DDL per module. Splitting is done based on the row number
+ Int_t iDDL = 4 * (module - 1) + (4 * (relId[2] - 1)) / geom->GetNPhi();
+
+ // new DDL
+ if (iDDL != prevDDL) {
+ // write real header and close previous file
+ if (buffer) {
+ buffer->Flush();
+ buffer->WriteDataHeader(kFALSE, kFALSE);
+ delete buffer;
+ }
+
+ // open new file and write dummy header
+ TString fileName("PHOS_") ;
+ fileName += (iDDL + kDDLOffset) ;
+ fileName += ".ddl" ;
+ buffer = new AliAltroBuffer(fileName.Data(), 1);
+ buffer->WriteDataHeader(kTRUE, kFALSE); //Dummy;
+
+ prevDDL = iDDL;
+ }
+
+ // out of time range signal (?)
+ if (digit->GetTimeR() > GetRawFormatTimeMax() ) {
+ buffer->FillBuffer(digit->GetAmp());
+ buffer->FillBuffer(GetRawFormatTimeBins() ); // time bin
+ buffer->FillBuffer(3); // bunch length
+ buffer->WriteTrailer(3, relId[3], relId[2], module); // trailer
+
+ // calculate the time response function
+ } else {
+ Double_t energy = 0 ;
+ if ( digit->GetId() <= geom->GetNModules() * geom->GetNCristalsInModule())
+ energy = digit->GetAmp() * digitizer->GetEMCchannel() + digitizer->GetEMCpedestal() ;
+ else
+ energy = digit->GetAmp() * digitizer->GetCPVchannel() + digitizer->GetCPVpedestal() ;
+
+ RawSampledResponse(digit->GetTimeR(), energy, adcValuesHigh, adcValuesLow) ;
+
+ buffer->WriteChannel(relId[3], relId[2], module,
+ GetRawFormatTimeBins(), adcValuesHigh, kThreshold);
+ buffer->WriteChannel(relId[3], relId[2], module + fLowGainOffset,
+ GetRawFormatTimeBins(), adcValuesLow, kThreshold);
+ }
}
-
- return rv ;
+ // write real header and close last file
+ if (buffer) {
+ buffer->Flush();
+ buffer->WriteDataHeader(kFALSE, kFALSE);
+ delete buffer;
+ }
+
+ loader->UnloadDigits();
+}
+
+//____________________________________________________________________________
+void AliPHOS::Hits2SDigits()
+{
+// create summable digits
+
+ AliPHOSSDigitizer* phosDigitizer =
+ new AliPHOSSDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
+ phosDigitizer->SetEventRange(0, -1) ; // do all the events
+ phosDigitizer->ExecuteTask("all") ;
}
//____________________________________________________________________________
-RecParticlesList * AliPHOS::RecParticles(Int_t evt)
+AliLoader* AliPHOS::MakeLoader(const char* topfoldername)
{
- // returns the pointer to the RecParticles list
- // if the list is empty, get it from TreeR on the disk file
+//different behaviour than standard (singleton getter)
+// --> to be discussed and made eventually coherent
+ fLoader = new AliPHOSLoader(GetName(),topfoldername);
+ return fLoader;
+}
- RecParticlesList * rv = 0 ;
+//__________________________________________________________________
+Double_t AliPHOS::RawResponseFunction(Double_t *x, Double_t *par)
+{
+ // Shape of the electronics raw reponse:
+ // It is a semi-gaussian, 2nd order Gamma function of the general form
+ // v(t) = n**n * Q * A**n / C *(t/tp)**n * exp(-n * t/tp) with
+ // tp : peaking time par[0]
+ // n : order of the function
+ // C : integrating capacitor in the preamplifier
+ // A : open loop gain of the preamplifier
+ // Q : the total APD charge to be measured Q = C * energy
- if ( fRecParticles )
- rv = fRecParticles ;
-
- else {
- fRecParticles = new TClonesArray("AliPHOSRecParticle", 100) ;
- gAlice->GetEvent(evt) ;
- TTree * fReconstruct = gAlice->TreeR() ;
- fReconstruct->SetBranchAddress( "PHOSRP", &fRecParticles) ;
- fReconstruct->GetEvent(0) ;
- fRecParticles->Expand( fRecParticles->GetEntries() ) ;
- rv = fRecParticles ;
+ Double_t signal ;
+ Double_t xx = x[0] - ( fgTimeTrigger + par[3] ) ;
+
+ if (xx < 0 || xx > fgTimeMax)
+ signal = 0. ;
+ else {
+ Double_t fac = par[0] * TMath::Power(fgOrder, fgOrder) * TMath::Power(par[1], fgOrder) / fgCapa ;
+ signal = fac * par[2] * TMath::Power(xx / fgTimePeak, fgOrder) * TMath::Exp(-fgOrder * (xx / fgTimePeak)) ;
}
-
- return rv ;
-
+ return signal ;
}
-//____________________________________________________________________________
-RecParticlesList * AliPHOS::TrackSegments(Int_t evt)
+//__________________________________________________________________
+Double_t AliPHOS::RawResponseFunctionMax(Double_t charge, Double_t gain)
+{
+ return ( charge * TMath::Power(fgOrder, fgOrder) * TMath::Power(gain, fgOrder)
+ / ( fgCapa * TMath::Exp(fgOrder) ) );
+
+}
+
+//__________________________________________________________________
+Bool_t AliPHOS::RawSampledResponse(const Double_t dtime, const Double_t damp, Int_t * adcH, Int_t * adcL) const
{
- // returns the pointer to the TrackSegments list
- // if the list is empty, get it from TreeR on the disk file
+ // for a start time dtime and an amplitude damp given by digit,
+ // calculates the raw sampled response AliPHOS::RawResponseFunction
+
+ const Int_t kRawSignalOverflow = 0x3FF ;
+ Bool_t lowGain = kFALSE ;
+
+ TF1 signalF("signal", RawResponseFunction, 0, GetRawFormatTimeMax(), 4);
+
+ for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) {
+ signalF.SetParameter(0, GetRawFormatHighCharge() ) ;
+ signalF.SetParameter(1, GetRawFormatHighGain() ) ;
+ signalF.SetParameter(2, damp) ;
+ signalF.SetParameter(3, dtime) ;
+ Double_t time = iTime * GetRawFormatTimeMax() / GetRawFormatTimeBins() ;
+ Double_t signal = signalF.Eval(time) ;
+ if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow ){ // larger than 10 bits
+ signal = kRawSignalOverflow ;
+ lowGain = kTRUE ;
+ }
+ adcH[iTime] = static_cast<Int_t>(signal + 0.5) ;
+
+ signalF.SetParameter(0, GetRawFormatLowCharge() ) ;
+ signalF.SetParameter(1, GetRawFormatLowGain() ) ;
+ signal = signalF.Eval(time) ;
+ if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow) // larger than 10 bits
+ signal = kRawSignalOverflow ;
+ adcL[iTime] = static_cast<Int_t>(0.5 + signal ) ;
- TrackSegmentsList * rv = 0 ;
+ }
+ return lowGain ;
+}
+
+//____________________________________________________________________________
+void AliPHOS::SetTreeAddress()
+{
+ // Links Hits in the Tree to Hits array
+ TBranch *branch;
+ char branchname[20];
+ sprintf(branchname,"%s",GetName());
- if ( fTrackSegments )
- rv = fTrackSegments ;
-
- else {
- fTrackSegments = new TClonesArray("AliPHOSTrackSegment", 100) ;
- gAlice->GetEvent(evt) ;
- TTree * fReconstruct = gAlice->TreeR() ;
- fReconstruct->SetBranchAddress( "PHOSTS", &fTrackSegments) ;
- fReconstruct->GetEvent(0) ;
- fTrackSegments->Expand( fTrackSegments->GetEntries() ) ;
- rv = fTrackSegments ;
+ // Branch address for hit tree
+ TTree *treeH = TreeH();
+ if (treeH) {
+ branch = treeH->GetBranch(branchname);
+ if (branch)
+ {
+ if (fHits == 0x0) fHits= new TClonesArray("AliPHOSHit",1000);
+ //Info("SetTreeAddress","<%s> Setting Hits Address",GetName());
+ branch->SetAddress(&fHits);
+ }
}
+}
+
+//____________________________________________________________________________
+void AliPHOS::WriteQA()
+{
+
+ // Make TreeQA in the output file.
+
+ if(fTreeQA == 0)
+ fTreeQA = new TTree("TreeQA", "QA Alarms") ;
+ // Create Alarms branches
+ Int_t bufferSize = 32000 ;
+ Int_t splitlevel = 0 ;
+
+ TFolder* topfold = GetLoader()->GetTopFolder(); //get top aliroot folder; skowron
+ TString phosqafn(AliConfig::Instance()->GetQAFolderName()+"/"); //get name of QAaut folder relative to top event; skowron
+ phosqafn+=GetName(); //hard wired string!!! add the detector name to the pathname; skowron
+ TFolder * alarmsF = (TFolder*)topfold->FindObjectAny(phosqafn); //get the folder
- return rv ;
-
+ if (alarmsF == 0x0)
+ {
+ Error("WriteQA","Can not find folder with qa alarms");
+ return;
+ }
+ TString branchName(alarmsF->GetName());
+ TBranch * alarmsBranch = fTreeQA->Branch(branchName,"TFolder", &alarmsF, bufferSize, splitlevel);
+ TString branchTitle = branchName + " QA alarms" ;
+ alarmsBranch->SetTitle(branchTitle);
+ alarmsBranch->Fill() ;
+
+ //fTreeQA->Fill() ;
}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff