* provided "as is" without express or implied warranty. *
**************************************************************************/
-//_________________________________________________________________________
-// This is a TTask that makes TOF-Digits out of TOF-SDigits.
-// The simulation of the detector is performed at sdigits level:
-// during digitization the unique task is the sum of all sdigits in the
-// same pad.
-// Digits are written to TreeD in branch "TOF".
-//
-// -- Author : F. Pierella (Bologna University) pierella@bo.infn.it
-//////////////////////////////////////////////////////////////////////////////
-
-#include <stdlib.h>
-#include <Riostream.h>
-
-#include <TTree.h>
-#include <TVector.h>
-#include <TObjArray.h>
-#include <TFile.h>
-#include <TDirectory.h>
-#include <TRandom.h>
+//_________________________________________________________________________//
+// //
+// This is a TTask that makes TOF-Digits out of TOF-SDigits. //
+// The simulation of the detector is performed at sdigits level: //
+// during digitization the unique task is the sum of all sdigits in the //
+// same pad. //
+// Digits are written to TreeD in branch "TOF". //
+// //
+// -- Author : F. Pierella (Bologna University) pierella@bo.infn.it //
+// //
+//_________________________________________________________________________//
+
+//#include "Riostream.h"
+
+//#include "TFile.h"
+#include "TMath.h"
+#include "TH1F.h"
+#include "TTree.h"
+#include "TRandom.h"
+#include "TObjArray.h"
+#include "AliLoader.h"
#include "AliLog.h"
-#include "AliRun.h"
+#include "AliDigitizationInput.h"
#include "AliRunLoader.h"
-#include "AliLoader.h"
-#include "AliDigitizer.h"
-#include "AliRunDigitizer.h"
-#include "AliPDG.h"
+#include "AliRun.h"
+#include "AliTOFcalib.h"
+//#include "AliTOFChannelOnlineArray.h"
+//#include "AliTOFChannelOnlineStatusArray.h"
+//#include "AliTOFChannelOffline.h"
#include "AliTOFDigitizer.h"
-#include "AliTOF.h"
-#include "AliTOFSDigitizer.h"
-#include "AliTOFhit.h"
#include "AliTOFdigit.h"
-#include "AliTOFSDigit.h"
#include "AliTOFHitMap.h"
-#include "AliTOFcalib.h"
+#include "AliTOFGeometry.h"
+#include "AliTOFSDigit.h"
+#include "AliTOF.h"
+
+extern TRandom *gRandom;
+
+extern AliRun *gAlice;
+
ClassImp(AliTOFDigitizer)
//___________________________________________
- AliTOFDigitizer::AliTOFDigitizer() :AliDigitizer()
+ AliTOFDigitizer::AliTOFDigitizer() :
+ AliDigitizer(),
+ fDigits(new TClonesArray("AliTOFdigit",4000)),
+ fSDigitsArray(new TClonesArray("AliTOFSDigit",1000)),
+ fhitMap(0x0),
+ fCalib(new AliTOFcalib())
{
// Default ctor - don't use it
- fDigits=0;
- fSDigitsArray=0;
- fhitMap=0;
+ InitDecalibration();
}
//___________________________________________
-AliTOFDigitizer::AliTOFDigitizer(AliRunDigitizer* manager)
- :AliDigitizer(manager)
+AliTOFDigitizer::AliTOFDigitizer(AliDigitizationInput* digInput):
+ AliDigitizer(digInput),
+ fDigits(new TClonesArray("AliTOFdigit",4000)),
+ fSDigitsArray(new TClonesArray("AliTOFSDigit",1000)),
+ fhitMap(0x0),
+ fCalib(new AliTOFcalib())
+{
+ //ctor with RunDigitizer
+ InitDecalibration();
+}
+
+//------------------------------------------------------------------------
+AliTOFDigitizer::AliTOFDigitizer(const AliTOFDigitizer &source):
+ AliDigitizer(source),
+ fDigits(source.fDigits),
+ fSDigitsArray(source.fSDigitsArray),
+ fhitMap(source.fhitMap),
+ fCalib(source.fCalib)
{
- fDigits=0;
- fSDigitsArray=0;
- fhitMap=0;
+ // copy constructor
+}
+
+//------------------------------------------------------------------------
+ AliTOFDigitizer& AliTOFDigitizer::operator=(const AliTOFDigitizer &source)
+{
+ // ass. op.
+
+ if (this == &source)
+ return *this;
+
+ AliDigitizer::operator=(source);
+ fDigits=source.fDigits;
+ fSDigitsArray=source.fSDigitsArray;
+ fhitMap=source.fhitMap;
+ fCalib=source.fCalib;
+ return *this;
+
}
//------------------------------------------------------------------------
AliTOFDigitizer::~AliTOFDigitizer()
{
// Destructor
+ delete fCalib;
+ if (fDigits){
+ fDigits->Delete();
+ delete fDigits;
+ fDigits=0x0;
+ }
+ if (fSDigitsArray){
+ fSDigitsArray->Delete();
+ delete fSDigitsArray;
+ fSDigitsArray=0x0;
+ }
}
//---------------------------------------------------------------------
-void AliTOFDigitizer::Exec(Option_t* /*option*/)
+void AliTOFDigitizer::Digitize(Option_t* /*option*/)
{
//
// Perform digitization and merging.
AliTOF * tof = (AliTOF *) gAlice->GetDetector("TOF") ;
//Make branches
- char branchname[20];
- sprintf (branchname, "%s", tof->GetName ());
- fDigits=new TClonesArray("AliTOFdigit",4000);
+ const Int_t kSize = 20;
+ char branchname[kSize];
+ snprintf(branchname,kSize,"%s", tof->GetName ());
- AliRunLoader* outrl = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
+ AliRunLoader* outrl = AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName());
if (outrl == 0x0)
{
AliError("Can not find Run Loader in output folder.");
return;
}
- outrl->CdGAFile();
- TFile *in=(TFile*)gFile;
- TDirectory *savedir=gDirectory;
-
- AliTOFGeometry *tofGeometry;
- if (!in->IsOpen()) {
- AliWarning("Geometry file is not open default TOF geometry will be used");
- tofGeometry = new AliTOFGeometry();
- }
- else {
- in->cd();
- tofGeometry = (AliTOFGeometry*)in->Get("TOFgeometry");
- }
-
- savedir->cd();
-
AliLoader* outgime = outrl->GetLoader("TOFLoader");
if (outgime == 0x0)
{
tof->MakeBranchInTree(treeD,branchname,&fDigits,4000);
// container for all summed sdigits (to be created in Init())
- fSDigitsArray=new TClonesArray("AliTOFSDigit",1000);
+ //fSDigitsArray=new TClonesArray("AliTOFSDigit",1000);
// create hit map (to be created in Init())
- fhitMap = new AliTOFHitMap(fSDigitsArray, tofGeometry);
+ fhitMap = new AliTOFHitMap(fSDigitsArray);
// Loop over files to digitize
- for (Int_t inputFile=0; inputFile<fManager->GetNinputs();
+ for (Int_t inputFile=0; inputFile<fDigInput->GetNinputs();
inputFile++) {
ReadSDigit(inputFile);
}
// free used memory for Hit Map in current event
delete fhitMap;
- fSDigitsArray->Delete();
- delete fSDigitsArray;
+ fSDigitsArray->Clear();
treeD->Fill();
-
+
+ AliDebug(2,"----------------------------------------");
+ AliDebug(1,Form("%d digits have been created", fDigits->GetEntriesFast()));
+ AliDebug(2,"----------------------------------------");
+
outgime->WriteDigits("OVERWRITE");
outgime->UnloadDigits();
- fDigits->Delete();
- delete fDigits;
+ fDigits->Clear();
}
//---------------------------------------------------------------------
-void AliTOFDigitizer::CreateDigits(Option_t *option)
+void AliTOFDigitizer::CreateDigits()
{
// loop on sdigits container to fill the AliTOFdigit TClonesArray
// start digitizing all the collected sdigits
// get the total number of collected sdigits
Int_t ndig = fSDigitsArray->GetEntriesFast();
+ Int_t vol[5]={-1,-1,-1,-1,-1}; // location for a digit
+ Int_t digit[4] = {0,0,0,0}; // TOF digit variables
+ Int_t tracknum[AliTOFSDigit::kMAXDIGITS]; // contributing tracks for the current slot
+ for (Int_t aa=0; aa<AliTOFSDigit::kMAXDIGITS; aa++) tracknum[aa] = -1;
+
for (Int_t k = 0; k < ndig; k++) {
- Int_t vol[5]; // location for a digit
for (Int_t i=0; i<5; i++) vol[i] = -1;
// Get the information for this digit
// in the while, I perform QA
Bool_t isSDigitBad = (sector<0 || sector>17 || plate<0 || plate >4 || padz<0 || padz>1 || padx<0 || padx>47);
- if (isSDigitBad) {
- //AliFatal("strange sdigit found");
- AliFatal(Form("strange sdigit found %3i %2i %2i %3i %3i", sector, plate, padz, padx, strip));
- }
+ if (isSDigitBad)
+ AliFatal(Form("strange sdigit found %2d %1d %2d %1d %2d", sector, plate, strip, padz, padx));
//-------------------------------------------------------
//------------------- Dump section ----------------------
- if(k<ndump){
- cout << k << "-th | " << "Sector " << sector << " | Plate " << plate << " | Strip " << strip << " | PadZ " << padz << " | PadX " << padx << endl;
- cout << k << "-th sdigit" << endl;
- cout << "----------------------------------------------------"<< endl;
+ if (k<ndump) {
+ AliInfo(Form("%2d-th digit: Sector %2d | Plate %1d | Strip %2d | PadZ %1d | PadX %2d ", k, sector, plate, strip, padz, padx));
+ AliInfo("----------------------------------------------------");
}
// ------------------------------------------------------
// start loop on number of slots for current sdigit
for (Int_t islot = 0; islot < nslot; islot++) {
- Float_t digit[2]; // TOF digit variables
- Int_t tracknum[kMAXDIGITS]; // contributing tracks for the current slot
-
- Float_t tdc=tofsdigit->GetTdc(islot); digit[0]=tdc;
- Float_t adc=tofsdigit->GetAdc(islot); digit[1]=adc;
+ for (Int_t aa=0; aa<4; aa++) digit[aa] = 0; // TOF digit variables
+ for (Int_t aa=0; aa<AliTOFSDigit::kMAXDIGITS; aa++) tracknum[aa] = -1;
+ Int_t tdc=tofsdigit->GetTdc(islot); digit[0]=tdc;
+ Int_t adc=tofsdigit->GetAdc(islot); digit[1]=adc;
+
+ //if (tdc>=8192) continue;//AdC
+
tracknum[0]=tofsdigit->GetTrack(islot,0);
tracknum[1]=tofsdigit->GetTrack(islot,1);
tracknum[2]=tofsdigit->GetTrack(islot,2);
}
} // end loop on sdigits - end digitizing all collected sdigits
- if(strstr(option,"DECALIB")){
- AliTOFcalib * cal = new AliTOFcalib();
- cal->Init();
- cal->DecalibrateDigits(fDigits);
- }
+
+ //Insert Decalibration
+ AliDebug(2,"in digitizer, create digits");
+ DecalibrateTOFSignal();
}
//---------------------------------------------------------------------
// SDigits from different files are assumed to
// be created with the same simulation parameters.
- // get the treeS from manager
- AliRunLoader* rl = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile));
+ // creating the TClonesArray to store the digits
+ static TClonesArray sdigitsClonesArray("AliTOFSDigit", 1000);
+ sdigitsClonesArray.Clear();
+
+ // get the treeS from digInput
+ AliRunLoader* rl = AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(inputFile));
if (rl == 0x0)
{
AliError(Form("Can not find Run Loader in input %d folder.",inputFile));
}
}
// get the branch TOF inside the treeS
- TClonesArray * sdigitsDummyContainer= new TClonesArray("AliTOFSDigit", 1000);
-
+ TClonesArray * sdigitsDummyContainer=&sdigitsClonesArray;
// check if the branch exist
TBranch* tofBranch=currentTreeS->GetBranch("TOF");
if(!tofBranch){
AliFatal(Form("TOF branch not found for input %d",inputFile));
+ return;
}
tofBranch->SetAddress(&sdigitsDummyContainer);
// Loop through all entries in the tree
Int_t nbytes = 0;
+ Int_t vol[5]; // location for a sdigit
+ for (Int_t i=0; i<5; i++) vol[i] = -1;
+
for (Int_t iEntry = 0; iEntry < nEntries; iEntry++) {
// Import the tree
for (Int_t k=0; k<ndig; k++) {
AliTOFSDigit *tofSdigit= (AliTOFSDigit*) sdigitsDummyContainer->UncheckedAt(k);
- Int_t vol[5]; // location for a sdigit
for (Int_t i=0; i<5; i++) vol[i] = -1;
// check the sdigit volume
} // if (hitMap->TestHit(vol) != kEmpty)
} // for (Int_t k=0; k<ndig; k++)
- sdigitsDummyContainer->Delete();
} // end loop on entries
- delete sdigitsDummyContainer;
-
}
//_____________________________________________________________________________
-void AliTOFDigitizer::CollectSDigit(AliTOFSDigit * sdigit)
+void AliTOFDigitizer::CollectSDigit(const AliTOFSDigit * const sdigit)
{
//
// Add a TOF sdigit in container
// put it into tmp array
new (aSDigitsArray[last]) AliTOFSDigit(*sdigit);
}
+
+//_____________________________________________________________________________
+void AliTOFDigitizer::InitDecalibration() const {
+ //
+ // Initialize TOF digits decalibration
+ //
+
+ fCalib->Init();
+ /*
+ fCalib->CreateCalArrays();
+ fCalib->ReadSimHistoFromCDB("TOF/Calib", -1); // use AliCDBManager's number
+ fCalib->ReadParOfflineFromCDB("TOF/Calib", -1); // use AliCDBManager's number
+ */
+}
+//---------------------------------------------------------------------
+void AliTOFDigitizer::DecalibrateTOFSignal() {
+ //
+ // Decalibrate TOF signals according to OCDB parameters
+ //
+
+ Double_t time=0., tot=0., corr=0.;
+ Int_t deltaBC=0, l0l1=0, tdcBin=0;
+ Int_t index = -1;
+ Int_t detId[5] ={-1,-1,-1,-1,-1};
+ UInt_t timestamp=0;
+
+ Int_t ndigits = fDigits->GetEntriesFast();
+ // Loop on TOF Digits
+ for (Int_t i=0;i<ndigits;i++){
+ AliTOFdigit * dig = (AliTOFdigit*)fDigits->At(i);
+ detId[0] = dig->GetSector();
+ detId[1] = dig->GetPlate();
+ detId[2] = dig->GetStrip();
+ detId[3] = dig->GetPadz();
+ detId[4] = dig->GetPadx();
+ dig->SetTdcND(dig->GetTdc()); // save the non decalibrated time
+
+ index = AliTOFGeometry::GetIndex(detId); // The channel index
+
+ // Read Calibration parameters from the CDB
+ // get digit info
+ time = dig->GetTdc() * AliTOFGeometry::TdcBinWidth(); /* ps */
+ tot = dig->GetToT() * AliTOFGeometry::ToTBinWidth() * 1.e-3; /* ns */
+ deltaBC = 0;//dig->GetDeltaBC();
+ l0l1 = 0;//dig->GetL0L1Latency();
+
+ // get correction
+ corr = fCalib->GetTimeCorrection(index, tot, deltaBC, l0l1, timestamp); /* ps */
+ AliDebug(2, Form("calibrate index %d: time=%f (ps) tot=%f (ns) deltaBC=%d l0l1=%d timestamp=%d corr=%f (ps)",
+ index, time, tot, deltaBC, l0l1, timestamp, corr));
+
+ // apply time correction
+ time += corr;
+
+ // convert in TDC bins and set digit
+ //tdcBin = (Int_t)(time / AliTOFGeometry::TdcBinWidth()); //the corrected time (tdc counts)
+ tdcBin = TMath::Nint(time / AliTOFGeometry::TdcBinWidth()); //the corrected time (tdc counts)
+ dig->SetTdc(tdcBin);
+
+ }
+
+ AliDebug(1,"Simulating miscalibrated digits");
+
+ return;
+}
+
+//---------------------------------------------------------------------
+/*
+void AliTOFDigitizer::DecalibrateTOFSignal(){ // Old implementation
+
+ // Read Calibration parameters from the CDB
+
+ TObjArray * calOffline= fCalib->GetTOFCalArrayOffline();
+
+ AliDebug(2,Form("Size of array for Offline Calibration = %i",calOffline->GetEntries()));
+
+ // Initialize Quantities to Simulate ToT Spectra
+
+ TH1F * hToT= fCalib->GetTOFSimToT();
+ Int_t nbins = hToT->GetNbinsX();
+ Float_t delta = hToT->GetBinWidth(1);
+ Float_t maxch = hToT->GetBinLowEdge(nbins)+delta;
+ Float_t minch = hToT->GetBinLowEdge(1);
+ Float_t max=0,min=0; //maximum and minimum value of the distribution
+ Int_t maxbin=0,minbin=0; //maximum and minimum bin of the distribution
+
+ for (Int_t ii=nbins; ii>0; ii--){
+ if (hToT->GetBinContent(ii)!= 0) {
+ max = maxch - (nbins-ii-1)*delta;
+ maxbin = ii;
+ break;}
+ }
+ for (Int_t j=1; j<nbins; j++){
+ if (hToT->GetBinContent(j)!= 0) {
+ min = minch + (j-1)*delta;
+ minbin = j;
+ break;}
+ }
+
+ Float_t maxToT=max;
+ Float_t minToT=min;
+
+ Float_t maxToTDistr=hToT->GetMaximum();
+
+ AliDebug (1, Form(" The minimum ToT = %f", minToT));
+ AliDebug (1, Form(" The maximum ToT = %f", maxToT));
+ AliDebug (1, Form(" The maximum peak in ToT = %f", maxToTDistr));
+
+ // Loop on TOF Digits
+
+ Bool_t isToTSimulated=kFALSE;
+ Bool_t misCalibPars=kFALSE;
+ if(hToT->GetEntries()>0)isToTSimulated=kTRUE;
+ Int_t ndigits = fDigits->GetEntriesFast();
+ for (Int_t i=0;i<ndigits;i++){
+ AliTOFdigit * dig = (AliTOFdigit*)fDigits->At(i);
+ Int_t detId[5];
+ detId[0] = dig->GetSector();
+ detId[1] = dig->GetPlate();
+ detId[2] = dig->GetStrip();
+ detId[3] = dig->GetPadz();
+ detId[4] = dig->GetPadx();
+ dig->SetTdcND(dig->GetTdc()); // save the non decalibrated time
+ if(isToTSimulated){
+
+ //A realistic ToT Spectrum was found in input,
+ //decalibrated TOF Digits likely to be simulated....
+
+ Int_t index = AliTOFGeometry::GetIndex(detId); // The channel index
+ AliTOFChannelOffline *calChannelOffline = (AliTOFChannelOffline *)calOffline->At(index); //retrieve the info for time slewing
+ Double_t par[6]; // time slewing parameters
+
+ //check whether we actually ask for miscalibration
+
+ for (Int_t j = 0; j<6; j++){
+ par[j]=(Double_t)calChannelOffline->GetSlewPar(j);
+ if(par[j]!=0)misCalibPars=kTRUE;
+ }
+ AliDebug(2,Form(" Calib Pars = %f (0-th parameter for time slewing + time delay), %f, %f, %f, %f, %f ",par[0],par[1],par[2],par[3],par[4],par[5]));
+
+ // Now generate Realistic ToT distribution from TestBeam Data.
+ // Tot is in ns, assuming a Matching Window of 10 ns.
+
+ Float_t simToT = 0;
+ Float_t trix = 0;
+ Float_t triy = 0;
+ Double_t timeCorr;
+ Double_t tToT;
+ while (simToT <= triy){
+ trix = gRandom->Rndm(i);
+ triy = gRandom->Rndm(i);
+ trix = (maxToT-minToT)*trix + minToT;
+ triy = maxToTDistr*triy;
+ Int_t binx=hToT->FindBin(trix);
+ simToT=hToT->GetBinContent(binx);
+ }
+ // the generated ToT (ns)
+ tToT= (Double_t) trix; // to apply slewing we start from ns..
+ // transform TOF signal in ns
+ AliDebug(2,Form(" The Initial Time (counts): %i: ",dig->GetTdc()));
+ AliDebug(2,Form(" Time before miscalibration (ps) %e: ",dig->GetTdc()*(Double_t)AliTOFGeometry::TdcBinWidth()));
+ // add slewing effect
+ timeCorr=par[0] + tToT*(par[1] +tToT*(par[2] +tToT*(par[3] +tToT*(par[4] +tToT*par[5]))));
+ AliDebug(2,Form(" The Time slewing + delay (ns): %f: ",timeCorr));
+ // add global time shift
+ //convert to ps
+ timeCorr*=1E3;
+ Double_t timeMis = (Double_t)(dig->GetTdc())*(Double_t)AliTOFGeometry::TdcBinWidth();
+ timeMis = timeMis+timeCorr;
+ AliDebug(2,Form(" The Miscalibrated time (ps): %e: ",timeMis));
+
+ // now update the digit info
+
+ Int_t tdcCorr= (Int_t)(timeMis/AliTOFGeometry::TdcBinWidth());
+ AliDebug(2,Form(" Final Time (counts): %i: ",tdcCorr));
+ // Setting Decalibrated Time signal (TDC counts)
+ dig->SetTdc(tdcCorr);
+ // Setting realistic ToT signal (TDC counts)
+ tToT*=1E3; //back to ps
+ Int_t tot=(Int_t)(tToT/AliTOFGeometry::ToTBinWidth());//(factor 1E3 as input ToT is in ns)
+ dig->SetToT(tot);
+ AliDebug(2,Form(" Final Time and ToT (counts): %d: , %d:",dig->GetTdc(),dig->GetToT()));
+ if(tdcCorr<0){
+ AliWarning (Form(" The bad Slewed Time(TDC counts)= %d ", tdcCorr));
+ AliWarning(Form(" The bad ToT (TDC counts)= %d ", tot));
+ }
+ }
+ else{
+ // For Data with no Miscalibration, set ToT signal == Adc
+ dig->SetToT((Int_t)(dig->GetAdc()/AliTOFGeometry::ToTBinWidth())); //remove the factor 10^3 just to have a reasonable ToT range for raw data simulation even in the case of non-realistic ToT distribution (n.b. fAdc is practically an arbitrary quantity, and ToT has no impact on the TOF reco for non-miscalibrated digits)
+ }
+ }
+
+ if(!isToTSimulated)
+ AliDebug(1,"Standard Production, no miscalibrated digits");
+ else
+ if(!misCalibPars)
+ AliDebug(1,"Standard Production, no miscalibrated digits");
+ else
+ AliDebug(1,"Simulating miscalibrated digits");
+
+ return;
+}
+*/
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff