-
/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* *
* 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 "TTree.h"
+#include <TFolder.h>
+#include <TTree.h>
+#include <TVirtualMC.h>
// --- Standard library ---
// --- AliRoot header files ---
-
+#include "AliMagF.h"
#include "AliPHOS.h"
-#include "AliMC.h"
+#include "AliPHOSLoader.h"
#include "AliRun.h"
-#include "AliMagF.h"
+#include "AliPHOSDigitizer.h"
+#include "AliPHOSSDigitizer.h"
+#include "AliPHOSDigit.h"
+#include "AliAltroBuffer.h"
ClassImp(AliPHOS)
-
//____________________________________________________________________________
-AliPHOS::AliPHOS():AliDetector()
+AliPHOS:: AliPHOS() : AliDetector()
{
- // ctor
- //We do not create objects, because these pointers will be overwritten durin reading from file.
- fDigits = 0 ;
- fEmcRecPoints = 0 ;
- fPpsdRecPoints = 0 ;
- fTrackSegments = 0 ;
- fRecParticles = 0 ;
-
+ // Default ctor
+ fName="PHOS";
+ fQATask = 0;
+ fTreeQA = 0;
+ fDebug = 0;
}
+
//____________________________________________________________________________
-AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name,title)
+AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title)
{
- // ctor
+ // ctor : title is used to identify the layout
+
+ fQATask = 0;
+ fTreeQA = 0;
+ fDebug = 0;
+}
- fDigits = 0 ;
- fEmcRecPoints = 0 ;
- fPpsdRecPoints = 0 ;
- fTrackSegments = 0 ;
- fRecParticles = 0 ;
+//____________________________________________________________________________
+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() ;
+}
+
//____________________________________________________________________________
-AliPHOS::~AliPHOS()
+AliDigitizer* AliPHOS::CreateDigitizer(AliRunDigitizer* manager) const
{
- // dtor
- if(fEmcRecPoints)
- fEmcRecPoints->Delete() ;
- delete fEmcRecPoints ;
- if(fPpsdRecPoints)
- fPpsdRecPoints->Delete() ;
- delete fPpsdRecPoints ;
- if(fTrackSegments)
- fTrackSegments->Delete() ;
- delete fTrackSegments ;
- if(fRecParticles)
- fRecParticles->Delete() ;
- delete fRecParticles ;
- delete fHits ;
- delete fDigits ;
+ 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(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) ;
gMC->Gstpar(idtmed[715], "STRA",2.) ;
}
+
//____________________________________________________________________________
-void AliPHOS::SetTreeAddress()
+void AliPHOS::Hits2SDigits()
{
- // TBranch *branch;
- AliDetector::SetTreeAddress();
-
- TBranch * branch ;
+// create summable digits
- if(fDigits)
- fDigits->Clear();
- else
- fDigits = new TClonesArray("AliPHOSDigit",1) ;
+ AliPHOSSDigitizer* phosDigitizer =
+ new AliPHOSSDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
+ phosDigitizer->SetEventRange(0, -1) ; // do all the events
+ phosDigitizer->ExecuteTask("all") ;
+}
- if (gAlice->TreeD() && fDigits ) {
- branch = gAlice->TreeD()->GetBranch("PHOS");
- if (branch) branch->SetAddress(&fDigits) ;
- }
+//____________________________________________________________________________
+AliLoader* AliPHOS::MakeLoader(const char* topfoldername)
+{
+//different behaviour than standard (singleton getter)
+// --> to be discussed and made eventually coherent
+ fLoader = new AliPHOSLoader(GetName(),topfoldername);
+ return fLoader;
+}
- TTree *treeR = gAlice->TreeR();
-
- //Branch address for TreeR: EmcRecPoint
+//____________________________________________________________________________
+void AliPHOS::SetTreeAddress()
+{
+ // Links Hits in the Tree to Hits array
+ TBranch *branch;
+ char branchname[20];
+ sprintf(branchname,"%s",GetName());
- if(fEmcRecPoints)
- fEmcRecPoints->Delete();
- else
- fEmcRecPoints = new AliPHOSRecPoint::RecPointsList(1) ;
-
- if ( treeR && fEmcRecPoints ) {
- branch = treeR->GetBranch("PHOSEmcRP");
- if (branch) branch->SetAddress(&fEmcRecPoints) ;
+ // 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);
+ }
}
+}
- //Branch address for TreeR: PPSDRecPoint
- if(fPpsdRecPoints)
- fPpsdRecPoints->Delete();
- else
- fPpsdRecPoints = new AliPHOSRecPoint::RecPointsList(1) ;
+//____________________________________________________________________________
+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
+
+ 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() ;
+}
+
+//____________________________________________________________________________
+void AliPHOS::Digits2Raw()
+{
+// convert digits of the current event to raw data
+
+ // get the digits
+ ((AliPHOSLoader*) fLoader)->LoadDigits();
+ TClonesArray* digits = ((AliPHOSLoader*) fLoader)->Digits();
+ if (!digits) {
+ Error("Digits2Raw", "no digits");
+ return;
+ }
- if ( treeR && fPpsdRecPoints ) {
- branch = treeR->GetBranch("PHOSPpsdRP");
- if (branch) branch->SetAddress(&fPpsdRecPoints) ;
+ // get the geometry
+ AliPHOSGeometry* geom = GetGeometry();
+ if (!geom) {
+ Error("Digits2Raw", "no geometry");
+ return;
}
- //Branch address for TreeR: TrackSegments
- if(fTrackSegments)
- fTrackSegments->Clear() ;
- else
- fTrackSegments = new AliPHOSTrackSegment::TrackSegmentsList("AliPHOSTrackSegment", 1) ;
-
- if ( treeR && fTrackSegments ) {
- branch = treeR->GetBranch("PHOSTS");
- if (branch) branch->SetAddress(&fTrackSegments) ;
+ // some digitization constants
+ const Int_t kDDLOffset = 0x600;
+ const Double_t kTimeMax = 1.28E-5;
+ const Int_t kTimeBins = 256;
+ const Double_t kTimePeak = 2.0E-6;
+ const Double_t kTimeRes = 1.5E-6;
+ const Int_t kThreshold = 3;
+ const Int_t kHighGainFactor = 40;
+ const Int_t kHighGainOffset = 0x200;
+
+ AliAltroBuffer* buffer = NULL;
+ Int_t prevDDL = -1;
+ Int_t adcValuesLow[kTimeBins];
+ Int_t adcValuesHigh[kTimeBins];
+
+ // loop over digits (assume ordered digits)
+ for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) {
+ AliPHOSDigit* digit = (AliPHOSDigit*) digits->At(iDigit);
+ if (digit->GetAmp() < kThreshold) continue;
+ Int_t relId[4];
+ geom->AbsToRelNumbering(digit->GetId(), relId);
+ Int_t module = relId[0];
+ if (relId[1] != 0) continue; // ignore digits from CPV
+ 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
+ char fileName[256];
+ sprintf(fileName, "PHOS_%d.ddl", iDDL + kDDLOffset);
+ buffer = new AliAltroBuffer(fileName, 1);
+ buffer->WriteDataHeader(kTRUE, kFALSE); //Dummy;
+
+ prevDDL = iDDL;
+ }
+
+ // out of time range signal (?)
+ if (digit->GetTime() > kTimeMax) {
+ buffer->FillBuffer(digit->GetAmp());
+ buffer->FillBuffer(kTimeBins); // time bin
+ buffer->FillBuffer(3); // bunch length
+ buffer->WriteTrailer(3, relId[3], relId[2], module); // trailer
+
+ // simulate linear rise and gaussian decay of signal
+ } else {
+ Bool_t highGain = kFALSE;
+
+ // fill time bin values
+ for (Int_t iTime = 0; iTime < kTimeBins; iTime++) {
+ Double_t time = iTime * kTimeMax/kTimeBins;
+ Int_t signal = 0;
+ if (time < digit->GetTime() + kTimePeak) {
+ signal = Int_t(0.5 + digit->GetAmp() *
+ (time - digit->GetTime()) / kTimePeak);
+ } else {
+ signal = Int_t(0.5 + digit->GetAmp() *
+ TMath::Gaus(time, digit->GetTime() + kTimePeak, kTimeRes));
+ }
+ if (signal < 0) signal = 0;
+ adcValuesLow[iTime] = signal;
+ if (signal > 0x3FF) adcValuesLow[iTime] = 0x3FF;
+ adcValuesHigh[iTime] = signal / kHighGainFactor;
+ if (adcValuesHigh[iTime] > 0) highGain = kTRUE;
+ }
+
+ // write low and eventually high gain channel
+ buffer->WriteChannel(relId[3], relId[2], module,
+ kTimeBins, adcValuesLow, kThreshold);
+ if (highGain) {
+ buffer->WriteChannel(relId[3], relId[2], module + kHighGainOffset,
+ kTimeBins, adcValuesHigh, 1);
+ }
+ }
}
-
- //Branch address for TreeR: RecParticles
- if(fRecParticles)
- fRecParticles->Clear() ;
- else
- fRecParticles = new AliPHOSRecParticle::RecParticlesList("AliPHOSRecParticle", 1) ;
-
- if ( treeR && fRecParticles ) {
- branch = treeR->GetBranch("PHOSRP");
- if (branch) branch->SetAddress(&fRecParticles) ;
+
+ // write real header and close last file
+ if (buffer) {
+ buffer->Flush();
+ buffer->WriteDataHeader(kFALSE, kFALSE);
+ delete buffer;
}
+ fLoader->UnloadDigits();
}
-