#include <Riostream.h>
#include <stdlib.h>
+#include <TF2.h>
#include <TFile.h>
-#include <TGeometry.h>
+#include <TGeoGlobalMagField.h>
#include <TInterpreter.h>
#include <TMath.h>
#include <TMatrixF.h>
-#include <TVector.h>
-#include <TNode.h>
#include <TObjectTable.h>
#include <TParticle.h>
#include <TROOT.h>
#include <TRandom.h>
+#include <TStopwatch.h>
+#include <TString.h>
#include <TSystem.h>
-#include <TTUBS.h>
#include <TTree.h>
+#include <TVector.h>
#include <TVirtualMC.h>
-#include <TString.h>
-#include <TF2.h>
-#include <TStopwatch.h>
#include "AliDigits.h"
#include "AliMagF.h"
-#include "AliPoints.h"
#include "AliRun.h"
#include "AliRunLoader.h"
#include "AliSimDigits.h"
#include "AliTPCPRF2D.h"
#include "AliTPCParamSR.h"
#include "AliTPCRF1D.h"
-//#include "AliTPCTrackHits.h"
#include "AliTPCTrackHitsV2.h"
#include "AliTrackReference.h"
#include "AliMC.h"
+#include "AliStack.h"
#include "AliTPCDigitizer.h"
#include "AliTPCBuffer.h"
#include "AliTPCDDLRawData.h"
#include "AliLog.h"
-
+#include "AliTPCcalibDB.h"
+#include "AliTPCCalPad.h"
+#include "AliTPCCalROC.h"
+#include "AliTPCExB.h"
+#include "AliRawReader.h"
+#include "AliTPCRawStream.h"
+#include "TTreeStream.h"
ClassImp(AliTPC)
//_____________________________________________________________________________
-AliTPC::AliTPC()
+ AliTPC::AliTPC():AliDetector(),
+ fDefaults(0),
+ fSens(0),
+ fNsectors(0),
+ fDigitsArray(0),
+ fTPCParam(0),
+ fTrackHits(0),
+ fHitType(0),
+ fDigitsSwitch(0),
+ fSide(0),
+ fPrimaryIonisation(0),
+ fNoiseDepth(0),
+ fNoiseTable(0),
+ fCurrentNoise(0),
+ fActiveSectors(0),
+ fGainFactor(1.),
+ fDebugStreamer(0)
+
{
//
// Default constructor
//
fIshunt = 0;
- fHits = 0;
- fDigits = 0;
- fNsectors = 0;
- fDigitsArray = 0;
- fDefaults = 0;
- fTrackHits = 0;
+
// fTrackHitsOld = 0;
#if ROOT_VERSION_CODE >= ROOT_VERSION(4,0,1)
fHitType = 4; // ROOT containers
#else
fHitType = 2; //default CONTAINERS - based on ROOT structure
#endif
- fTPCParam = 0;
- fNoiseTable = 0;
- fActiveSectors =0;
- fSens = 0;
-
}
//_____________________________________________________________________________
AliTPC::AliTPC(const char *name, const char *title)
- : AliDetector(name,title)
+ : AliDetector(name,title),
+ fDefaults(0),
+ fSens(0),
+ fNsectors(0),
+ fDigitsArray(0),
+ fTPCParam(0),
+ fTrackHits(0),
+ fHitType(0),
+ fDigitsSwitch(0),
+ fSide(0),
+ fPrimaryIonisation(0),
+ fNoiseDepth(0),
+ fNoiseTable(0),
+ fCurrentNoise(0),
+ fActiveSectors(0),
+ fGainFactor(1.),
+ fDebugStreamer(0)
+
{
//
// Standard constructor
// Initialise arrays of hits and digits
fHits = new TClonesArray("AliTPChit", 176);
gAlice->GetMCApp()->AddHitList(fHits);
- fDigitsArray = 0;
- fDefaults = 0;
//
fTrackHits = new AliTPCTrackHitsV2;
fTrackHits->SetHitPrecision(0.002);
//fTrackHitsOld->SetStepPrecision(0.003);
//fTrackHitsOld->SetMaxDistance(100);
- fNoiseTable =0;
#if ROOT_VERSION_CODE >= ROOT_VERSION(4,0,1)
fHitType = 4; // ROOT containers
#else
fHitType = 2;
#endif
- fActiveSectors = 0;
- //
- // Initialise counters
- fNsectors = 0;
+
+
//
fIshunt = 0;
//
// Initialise color attributes
- SetMarkerColor(kYellow);
+ //PH SetMarkerColor(kYellow);
//
// Set TPC parameters
if (!strcmp(title,"Default")) {
- fTPCParam = new AliTPCParamSR;
+ //fTPCParam = new AliTPCParamSR;
+ fTPCParam = AliTPCcalibDB::Instance()->GetParameters();
} else {
AliWarning("In Config.C you must set non-default parameters.");
fTPCParam=0;
}
- fSens = 0;
}
//_____________________________________________________________________________
-AliTPC::AliTPC(const AliTPC& t):AliDetector(t){
- //
- // dummy copy constructor
- //
-}
AliTPC::~AliTPC()
{
//
fIshunt = 0;
delete fHits;
delete fDigits;
- delete fTPCParam;
+ //delete fTPCParam;
delete fTrackHits; //MI 15.09.2000
// delete fTrackHitsOld; //MI 10.12.2001
- if (fNoiseTable) delete [] fNoiseTable;
-
+
+ fDigitsArray = 0x0;
+ delete [] fNoiseTable;
+ delete [] fActiveSectors;
+ if (fDebugStreamer) delete fDebugStreamer;
}
//_____________________________________________________________________________
AddHit2(track,vol,hits);
}
-//_____________________________________________________________________________
-void AliTPC::BuildGeometry()
-{
-
- //
- // Build TPC ROOT TNode geometry for the event display
- //
- TNode *nNode, *nTop;
- TTUBS *tubs;
- Int_t i;
- const int kColorTPC=19;
- char name[5], title[25];
- const Double_t kDegrad=TMath::Pi()/180;
- const Double_t kRaddeg=180./TMath::Pi();
-
-
- Float_t innerOpenAngle = fTPCParam->GetInnerAngle();
- Float_t outerOpenAngle = fTPCParam->GetOuterAngle();
-
- Float_t innerAngleShift = fTPCParam->GetInnerAngleShift();
- Float_t outerAngleShift = fTPCParam->GetOuterAngleShift();
-
- Int_t nLo = fTPCParam->GetNInnerSector()/2;
- Int_t nHi = fTPCParam->GetNOuterSector()/2;
-
- const Double_t kloAng = (Double_t)TMath::Nint(innerOpenAngle*kRaddeg);
- const Double_t khiAng = (Double_t)TMath::Nint(outerOpenAngle*kRaddeg);
- const Double_t kloAngSh = (Double_t)TMath::Nint(innerAngleShift*kRaddeg);
- const Double_t khiAngSh = (Double_t)TMath::Nint(outerAngleShift*kRaddeg);
-
-
- const Double_t kloCorr = 1/TMath::Cos(0.5*kloAng*kDegrad);
- const Double_t khiCorr = 1/TMath::Cos(0.5*khiAng*kDegrad);
-
- Double_t rl,ru;
-
-
- //
- // Get ALICE top node
- //
-
- nTop=gAlice->GetGeometry()->GetNode("alice");
-
- // inner sectors
-
- rl = fTPCParam->GetInnerRadiusLow();
- ru = fTPCParam->GetInnerRadiusUp();
-
-
- for(i=0;i<nLo;i++) {
- sprintf(name,"LS%2.2d",i);
- name[4]='\0';
- sprintf(title,"TPC low sector %3d",i);
- title[24]='\0';
-
- tubs = new TTUBS(name,title,"void",rl*kloCorr,ru*kloCorr,250.,
- kloAng*(i-0.5)+kloAngSh,kloAng*(i+0.5)+kloAngSh);
- tubs->SetNumberOfDivisions(1);
- nTop->cd();
- nNode = new TNode(name,title,name,0,0,0,"");
- nNode->SetLineColor(kColorTPC);
- fNodes->Add(nNode);
- }
-
- // Outer sectors
-
- rl = fTPCParam->GetOuterRadiusLow();
- ru = fTPCParam->GetOuterRadiusUp();
-
- for(i=0;i<nHi;i++) {
- sprintf(name,"US%2.2d",i);
- name[4]='\0';
- sprintf(title,"TPC upper sector %d",i);
- title[24]='\0';
- tubs = new TTUBS(name,title,"void",rl*khiCorr,ru*khiCorr,250,
- khiAng*(i-0.5)+khiAngSh,khiAng*(i+0.5)+khiAngSh);
- tubs->SetNumberOfDivisions(1);
- nTop->cd();
- nNode = new TNode(name,title,name,0,0,0,"");
- nNode->SetLineColor(kColorTPC);
- fNodes->Add(nNode);
- }
-
-}
-
//_____________________________________________________________________________
void AliTPC::CreateMaterials()
{
// Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl
//-----------------------------------------------------------------
- Int_t iSXFLD=gAlice->Field()->Integ();
- Float_t sXMGMX=gAlice->Field()->Max();
+ Int_t iSXFLD=((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
+ Float_t sXMGMX=((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
Float_t amat[5]; // atomic numbers
Float_t zmat[5]; // z
AliMixture(12,"Ne-CO2-N-1",amat,zmat,density,4,wmat);
AliMixture(13,"Ne-CO2-N-2",amat,zmat,density,4,wmat);
-
+ AliMixture(30,"Ne-CO2-N-3",amat,zmat,density,4,wmat);
//----------------------------------------------------------------------
// solid materials
//----------------------------------------------------------------------
density=7.87;
AliMaterial(29,"Fe",amat[0],zmat[0],density,999.,999.);
+ //
+ // Peek - (C6H4-O-OC6H4-O-C6H4-CO)n
+ amat[0]=12.011;
+ amat[1]=1.;
+ amat[2]=15.9994;
+
+ zmat[0]=6.;
+ zmat[1]=1.;
+ zmat[2]=8.;
+
+ wmat[0]=19.;
+ wmat[1]=12.;
+ wmat[2]=3.;
+ //
+ density=1.3;
+ //
+ AliMixture(30,"Peek",amat,zmat,density,-3,wmat);
+ //
+ // Ceramics - Al2O3
+ //
+ amat[0] = 26.98;
+ amat[1]= 15.9994;
+
+ zmat[0] = 13.;
+ zmat[1]=8.;
+
+ wmat[0]=2.;
+ wmat[1]=3.;
+
+ density = 3.97;
+
+ AliMixture(31,"Alumina",amat,zmat,density,-2,wmat);
+
+ //
+ // liquids
+ //
+
+ // water
+
+ amat[0]=1.;
+ amat[1]=15.9994;
+
+ zmat[0]=1.;
+ zmat[1]=8.;
+
+ wmat[0]=2.;
+ wmat[1]=1.;
+
+ density=1.;
+
+ AliMixture(32,"Water",amat,zmat,density,-2,wmat);
//----------------------------------------------------------
// tracking media for gases
AliMedium(1, "Ne-CO2-N-1", 12, 0, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
AliMedium(2, "Ne-CO2-N-2", 13, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
AliMedium(3,"CO2",10,0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001);
-
+ AliMedium(20, "Ne-CO2-N-3", 30, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
//-----------------------------------------------------------
// tracking media for solids
//-----------------------------------------------------------
AliMedium(16,"G10",22,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
AliMedium(17,"Plexiglas",27,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
AliMedium(18,"Steel",29,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
-
+ AliMedium(19,"Peek",30,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
+ AliMedium(21,"Alumina",31,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
+ AliMedium(22,"Water",32,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001);
}
void AliTPC::GenerNoise(Int_t tablesize)
{
// activate interesting sectors
SetTreeAddress();//just for security
- if (fActiveSectors) delete [] fActiveSectors;
- fActiveSectors = new Bool_t[fTPCParam->GetNSector()];
+ if (!fActiveSectors) fActiveSectors = new Bool_t[fTPCParam->GetNSector()];
for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kFALSE;
for (Int_t i=0;i<n;i++)
if ((sectors[i]>=0) && sectors[i]<fTPCParam->GetNSector()) fActiveSectors[sectors[i]]=kTRUE;
//loop over tracks
SetTreeAddress();//just for security
if (fHitType==0) return; // if Clones hit - not short volume ID information
- if (fActiveSectors) delete [] fActiveSectors;
- fActiveSectors = new Bool_t[fTPCParam->GetNSector()];
+ if (!fActiveSectors) fActiveSectors = new Bool_t[fTPCParam->GetNSector()];
if (flag) {
for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kTRUE;
return;
}
for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kFALSE;
TBranch * branch=0;
- if (TreeH() == 0x0)
+ if (fLoader->TreeH() == 0x0)
{
AliFatal("Can not find TreeH in folder");
return;
}
- if (fHitType>1) branch = TreeH()->GetBranch("TPC2");
- else branch = TreeH()->GetBranch("TPC");
- Stat_t ntracks = TreeH()->GetEntries();
+ if (fHitType>1) branch = fLoader->TreeH()->GetBranch("TPC2");
+ else branch = fLoader->TreeH()->GetBranch("TPC");
+ Stat_t ntracks = fLoader->TreeH()->GetEntries();
// loop over all hits
AliDebug(1,Form("Got %d tracks",ntracks));
ResetHits();
//
if (fTrackHits && fHitType&4) {
- TBranch * br1 = TreeH()->GetBranch("fVolumes");
- TBranch * br2 = TreeH()->GetBranch("fNVolumes");
+ TBranch * br1 = fLoader->TreeH()->GetBranch("fVolumes");
+ TBranch * br2 = fLoader->TreeH()->GetBranch("fNVolumes");
br1->GetEvent(track);
br2->GetEvent(track);
Int_t *volumes = fTrackHits->GetVolumes();
- for (Int_t j=0;j<fTrackHits->GetNVolumes(); j++)
- fActiveSectors[volumes[j]]=kTRUE;
+ for (Int_t j=0;j<fTrackHits->GetNVolumes(); j++) {
+ if (volumes[j]>-1 && volumes[j]<fTPCParam->GetNSector()) {
+ fActiveSectors[volumes[j]]=kTRUE;
+ }
+ else {
+ AliError(Form("Volume %d -> sector number %d is outside (0..%d)",
+ j,
+ volumes[j],
+ fTPCParam->GetNSector()));
+ }
+ }
}
//
// if (fTrackHitsOld && fHitType&2) {
-// TBranch * br = TreeH()->GetBranch("fTrackHitsInfo");
+// TBranch * br = fLoader->TreeH()->GetBranch("fTrackHitsInfo");
// br->GetEvent(track);
// AliObjectArray * ar = fTrackHitsOld->fTrackHitsInfo;
// for (UInt_t j=0;j<ar->GetSize();j++){
// convert digits of the current event to raw data
static const Int_t kThreshold = 0;
- static const Bool_t kCompress = kTRUE;
fLoader->LoadDigits();
TTree* digits = fLoader->TreeD();
rawWriter.RawData(fileName);
gSystem->Unlink(fileName);
- if (kCompress) {
- AliInfo("Compressing raw data");
- rawWriter.RawDataCompDecompress(kTRUE);
- gSystem->Unlink("Statistics");
- }
}
+//_____________________________________________________________________________
+Bool_t AliTPC::Raw2SDigits(AliRawReader* rawReader){
+ // Converts the TPC raw data into summable digits
+ // The method is used for merging simulated and
+ // real data events
+ if (fLoader->TreeS() == 0x0 ) {
+ fLoader->MakeTree("S");
+ }
+
+ if(fDefaults == 0) SetDefaults(); // check if the parameters are set
+
+ //setup TPCDigitsArray
+ if(GetDigitsArray()) delete GetDigitsArray();
+
+ AliTPCDigitsArray *arr = new AliTPCDigitsArray;
+ arr->SetClass("AliSimDigits");
+ arr->Setup(fTPCParam);
+ arr->MakeTree(fLoader->TreeS());
+
+ SetDigitsArray(arr);
+
+ // set zero suppression to "0"
+ fTPCParam->SetZeroSup(0);
+
+ // Loop over sectors
+ const Int_t kmaxTime = fTPCParam->GetMaxTBin();
+ const Int_t kNIS = fTPCParam->GetNInnerSector();
+ const Int_t kNOS = fTPCParam->GetNOuterSector();
+ const Int_t kNS = kNIS + kNOS;
+
+ Short_t** allBins = NULL; //array which contains the data for one sector
+
+ for(Int_t iSector = 0; iSector < kNS; iSector++) {
+
+ Int_t nRows = fTPCParam->GetNRow(iSector);
+ Int_t nDDLs = 0, indexDDL = 0;
+ if (iSector < kNIS) {
+ nDDLs = 2;
+ indexDDL = iSector * 2;
+ }
+ else {
+ nDDLs = 4;
+ indexDDL = (iSector-kNIS) * 4 + kNIS * 2;
+ }
+
+ // Loas the raw data for corresponding DDLs
+ rawReader->Reset();
+ AliTPCRawStream input(rawReader);
+ rawReader->Select("TPC",indexDDL,indexDDL+nDDLs-1);
+
+ // Alocate and init the array with the sector data
+ allBins = new Short_t*[nRows];
+ for (Int_t iRow = 0; iRow < nRows; iRow++) {
+ Int_t maxPad = fTPCParam->GetNPads(iSector,iRow);
+ Int_t maxBin = kmaxTime*maxPad;
+ allBins[iRow] = new Short_t[maxBin];
+ memset(allBins[iRow],0,sizeof(Short_t)*maxBin);
+ }
+
+ // Begin loop over altro data
+ while (input.Next()) {
+
+ if (input.GetSector() != iSector)
+ AliFatal(Form("Sector index mismatch ! Expected (%d), but got (%d) !",iSector,input.GetSector()));
+
+ Int_t iRow = input.GetRow();
+ if (iRow < 0 || iRow >= nRows)
+ AliFatal(Form("Pad-row index (%d) outside the range (%d -> %d) !",
+ iRow, 0, nRows -1));
+ Int_t iPad = input.GetPad();
+
+ Int_t maxPad = fTPCParam->GetNPads(iSector,iRow);
+
+ if (iPad < 0 || iPad >= maxPad)
+ AliFatal(Form("Pad index (%d) outside the range (%d -> %d) !",
+ iPad, 0, maxPad -1));
+
+ Int_t iTimeBin = input.GetTime();
+ if ( iTimeBin < 0 || iTimeBin >= kmaxTime)
+ AliFatal(Form("Timebin index (%d) outside the range (%d -> %d) !",
+ iTimeBin, 0, kmaxTime -1));
+
+ Int_t maxBin = kmaxTime*maxPad;
+
+ if (((iPad*kmaxTime+iTimeBin) >= maxBin) ||
+ ((iPad*kmaxTime+iTimeBin) < 0))
+ AliFatal(Form("Index outside the allowed range"
+ " Sector=%d Row=%d Pad=%d Timebin=%d"
+ " (Max.index=%d)",iSector,iRow,iPad,iTimeBin,maxBin));
+
+ allBins[iRow][iPad*kmaxTime+iTimeBin] = input.GetSignal();
+
+ } // End loop over altro data
+
+ // Now fill the digits array
+ if (fDigitsArray->GetTree()==0) {
+ AliFatal("Tree not set in fDigitsArray");
+ }
+
+ for (Int_t iRow = 0; iRow < nRows; iRow++) {
+ AliDigits * dig = fDigitsArray->CreateRow(iSector,iRow);
+
+ Int_t maxPad = fTPCParam->GetNPads(iSector,iRow);
+ for(Int_t iPad = 0; iPad < maxPad; iPad++) {
+ for(Int_t iTimeBin = 0; iTimeBin < kmaxTime; iTimeBin++) {
+ Short_t q = allBins[iRow][iPad*kmaxTime + iTimeBin];
+ if (q <= 0) continue;
+ q *= 16;
+ dig->SetDigitFast((Short_t)q,iTimeBin,iPad);
+ }
+ }
+ fDigitsArray->StoreRow(iSector,iRow);
+ Int_t ndig = dig->GetDigitSize();
+
+ AliDebug(10,
+ Form("*** Sector, row, compressed digits %d %d %d ***\n",
+ iSector,iRow,ndig));
+
+ fDigitsArray->ClearRow(iSector,iRow);
+
+ } // end of the sector digitization
+
+ for (Int_t iRow = 0; iRow < nRows; iRow++)
+ delete [] allBins[iRow];
+
+ delete [] allBins;
+
+ }
+
+ fLoader->WriteSDigits("OVERWRITE");
+
+ if(GetDigitsArray()) delete GetDigitsArray();
+ SetDigitsArray(0x0);
+
+ return kTRUE;
+}
//______________________________________________________________________
AliDigitizer* AliTPC::CreateDigitizer(AliRunDigitizer* manager) const
Short_t * pamp1 = digrow->GetDigits();
Int_t * ptracks1 = digrow->GetTracks();
Int_t nelems =nrows*ncols;
- Int_t saturation = fTPCParam->GetADCSat();
+ Int_t saturation = fTPCParam->GetADCSat() - 1;
//use internal structure of the AliDigits - for speed reason
//if you cahnge implementation
//of the Alidigits - it must be rewriten -
AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::GetRunLoaderName());
rl->CdGAFile();
AliTPCParamSR *param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60");
- if(param){
- AliInfo("You are using 2 pad-length geom hits with 3 pad-lenght geom digits...");
- delete param;
- param = new AliTPCParamSR();
- }
- else {
- param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60_150x60");
- }
+ // if(param){
+// AliInfo("You are using 2 pad-length geom hits with 3 pad-lenght geom digits...");
+// delete param;
+// param = new AliTPCParamSR();
+// }
+// else {
+// param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60_150x60");
+// }
+ param = (AliTPCParamSR*)AliTPCcalibDB::Instance()->GetParameters();
+ if (!param->IsGeoRead()){
+ //
+ // read transformation matrices for gGeoManager
+ //
+ param->ReadGeoMatrices();
+ }
if(!param){
AliFatal("No TPC parameters found");
}
AliTPCPRF2D * prfinner = new AliTPCPRF2D;
AliTPCPRF2D * prfouter1 = new AliTPCPRF2D;
AliTPCPRF2D * prfouter2 = new AliTPCPRF2D;
- AliTPCRF1D * rf = new AliTPCRF1D(kTRUE);
- rf->SetGauss(param->GetZSigma(),param->GetZWidth(),1.);
- rf->SetOffset(3*param->GetZSigma());
- rf->Update();
+
+
+ //AliTPCRF1D * rf = new AliTPCRF1D(kTRUE);
+ //rf->SetGauss(param->GetZSigma(),param->GetZWidth(),1.);
+ //rf->SetOffset(3*param->GetZSigma());
+ //rf->Update();
+ //
+ // Use gamma 4
+ //
+ char strgamma4[1000];
+ sprintf(strgamma4,"AliTPCRF1D::Gamma4((x-0.135+%f)*%f,55,160)",3*param->GetZSigma(), 1000000000*param->GetTSample()/param->GetZWidth());
+ TF1 * fgamma4 = new TF1("fgamma4",strgamma4, -1,1);
+ AliTPCRF1D * rf = new AliTPCRF1D(kTRUE,1000);
+ rf->SetParam(fgamma4,param->GetZWidth(), 1,0.2);
+ rf->SetOffset(3*param->GetZSigma());
+ rf->Update();
+
TDirectory *savedir=gDirectory;
TFile *f=TFile::Open("$ALICE_ROOT/TPC/AliTPCprf2d.root");
if (!f->IsOpen())
//
// creates digits from hits
//
+ if (!fTPCParam->IsGeoRead()){
+ //
+ // read transformation matrices for gGeoManager
+ //
+ fTPCParam->ReadGeoMatrices();
+ }
fLoader->LoadHits("read");
fLoader->LoadDigits("recreate");
AliRunLoader* runLoader = fLoader->GetRunLoader();
for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
- runLoader->GetEvent(iEvent);
- SetActiveSectors();
+ //PH runLoader->GetEvent(iEvent);
Hits2Digits(iEvent);
}
//----------------------------------------------------
AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::GetRunLoaderName());
rl->GetEvent(eventnumber);
+ SetActiveSectors();
if (fLoader->TreeH() == 0x0) {
if(fLoader->LoadHits()) {
AliError("Can not load hits.");
//-----------------------------------------------------------
// summable digits - 16 bit "ADC", no noise, no saturation
//-----------------------------------------------------------
+ if (0) fDebugStreamer = new TTreeSRedirector("TPCSimdebug.root");
+ if (!fTPCParam->IsGeoRead()){
+ //
+ // read transformation matrices for gGeoManager
+ //
+ fTPCParam->ReadGeoMatrices();
+ }
+
fLoader->LoadHits("read");
fLoader->LoadSDigits("recreate");
AliRunLoader* runLoader = fLoader->GetRunLoader();
fLoader->UnloadHits();
fLoader->UnloadSDigits();
+ if (fDebugStreamer) {
+ delete fDebugStreamer;
+ fDebugStreamer=0;
+ }
}
//_____________________________________________________________________________
if(fDefaults == 0) SetDefaults();
- TTree *tH = TreeH(); // pointer to the hits tree
+ TTree *tH = fLoader->TreeH(); // pointer to the hits tree
if (tH == 0x0) {
AliFatal("Can not find TreeH in folder");
return;
Stat_t ntracks = tH->GetEntries();
- if( ntracks > 0){
- //-------------------------------------------
- // Only if there are any tracks...
- //-------------------------------------------
TObjArray **row;
delete [] row; // delete the array of pointers to TObjArray-s
- } // ntracks >0
} // end of Hits2DigitsSector
//-----------------------------------------------------------------
Float_t zerosup = fTPCParam->GetZeroSup();
+ AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetDedxGainFactor();
+ AliTPCCalPad * noiseTPC = AliTPCcalibDB::Instance()->GetPadNoise();
+ AliTPCCalROC * gainROC = gainTPC->GetCalROC(isec); // pad gains per given sector
+ AliTPCCalROC * noiseROC = noiseTPC->GetCalROC(isec); // noise per given sector
+
fCurrentIndex[1]= isec;
for(Int_t ip=0;ip<nofPads;ip++){
gi++;
Float_t q=total(ip,it);
- if(fDigitsSwitch == 0){
- q+=GetNoise();
+ if(fDigitsSwitch == 0){
+ Float_t gain = gainROC->GetValue(irow,ip); // get gain for given - pad-row pad
+ Float_t noisePad = noiseROC->GetValue(irow,ip);
+ //
+ q*=gain;
+ q+=GetNoise()*noisePad;
if(q <=fzerosup) continue; // do not fill zeros
q = TMath::Nint(q);
- if(q > fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat(); // saturation
+ if(q >= fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat() - 1; // saturation
}
TVector &v = *tv;
Float_t label = v(0);
- Int_t centralPad = (fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3]-1)-1)/2;
+ Int_t centralPad = (fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3]-1))/2;
Int_t nElectrons = (tv->GetNrows()-1)/5;
indexRange[0]=9999; // min pad
// contains the track label and the position of electrons.
//-----------------------------------------------------------------
+ //
+ // The trasport of the electrons through TPC drift volume
+ // Drift (drift velocity + velocity map(not yet implemented)))
+ // Application of the random processes (diffusion, gas gain)
+ // Systematic effects (ExB effect in drift volume + ROCs)
+ //
+ // Algorithm:
+ // Loop over primary electrons:
+ // Creation of the secondary electrons
+ // Loop over electrons (primary+ secondaries)
+ // Global coordinate frame:
+ // 1. Skip electrons if attached
+ // 2. ExB effect in drift volume
+ // a.) Simulation calib->GetExB()->CorrectInverse(dxyz0,dxyz1);
+ // b.) Reconstruction - calib->GetExB()->CorrectInverse(dxyz0,dxyz1);
+ // 3. Generation of gas gain (Random - Exponential distribution)
+ // 4. TransportElectron function (diffusion)
+ //
+ // 5. Conversion to the local coordinate frame pad-row, pad, timebin
+ // 6. Apply Time0 shift - AliTPCCalPad class
+ // a.) Plus sign in simulation
+ // b.) Minus sign in reconstruction
+ // end of loop
+ //
//-----------------------------------------------------------------
// Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl
+ // Origin: Marian Ivanov, marian.ivanov@cern.ch
//-----------------------------------------------------------------
+ AliTPCcalibDB* const calib=AliTPCcalibDB::Instance();
+ if (gAlice){ // Set correctly the magnetic field in the ExB calculation
+ AliMagF * field = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField());
+ if (field) {
+ calib->SetExBField(field->SolenoidField());
+ }
+ }
Float_t gasgain = fTPCParam->GetGasGain();
+ gasgain = gasgain/fGainFactor;
Int_t i;
Float_t xyz[5];
continue;
}
+ // Remove hits which arrive before the TPC opening gate signal
+ if(((fTPCParam->GetZLength(isec)-TMath::Abs(tpcHit->Z()))
+ /fTPCParam->GetDriftV()+tpcHit->Time())<fTPCParam->GetGateDelay()) {
+ tpcHit = (AliTPChit*) NextHit();
+ continue;
+ }
+
currentTrack = tpcHit->Track(); // track number
if(currentTrack != previousTrack){
//---------------------------------------------------
- Float_t time = 1.e6*(fTPCParam->GetZLength()-TMath::Abs(tpcHit->Z()))
+ Float_t time = 1.e6*(fTPCParam->GetZLength(isec)-TMath::Abs(tpcHit->Z()))
/fTPCParam->GetDriftV();
// in microseconds!
Float_t attProb = fTPCParam->GetAttCoef()*
for(Int_t nel=0;nel<qI;nel++){
// skip if electron lost due to the attachment
if((gRandom->Rndm(0)) < attProb) continue; // electron lost!
- xyz[0]=tpcHit->X();
- xyz[1]=tpcHit->Y();
- xyz[2]=tpcHit->Z();
+
+ //
+ // ExB effect
+ //
+ Double_t dxyz0[3],dxyz1[3];
+ dxyz0[0]=tpcHit->X();
+ dxyz0[1]=tpcHit->Y();
+ dxyz0[2]=tpcHit->Z();
+ if (calib->GetExB()){
+ calib->GetExB()->CorrectInverse(dxyz0,dxyz1);
+ }else{
+ AliError("Not valid ExB calibration");
+ dxyz1[0]=tpcHit->X();
+ dxyz1[1]=tpcHit->Y();
+ dxyz1[2]=tpcHit->Z();
+ }
+ xyz[0]=dxyz1[0];
+ xyz[1]=dxyz1[1];
+ xyz[2]=dxyz1[2];
+ //
+ //
//
// protection for the nonphysical avalanche size (10**6 maximum)
//
Double_t rn=TMath::Max(gRandom->Rndm(0),1.93e-22);
xyz[3]= (Float_t) (-gasgain*TMath::Log(rn));
index[0]=1;
-
+
TransportElectron(xyz,index);
Int_t rowNumber;
- fTPCParam->GetPadRow(xyz,index);
+ Int_t padrow = fTPCParam->GetPadRow(xyz,index);
+ //
+ // Add Time0 correction due unisochronity
+ // xyz[0] - pad row coordinate
+ // xyz[1] - pad coordinate
+ // xyz[2] - is in now time bin coordinate system
+ Float_t correction =0;
+ if (calib->GetPadTime0()){
+ if (!calib->GetPadTime0()->GetCalROC(isec)) continue;
+ Int_t npads = fTPCParam->GetNPads(isec,padrow);
+ // Int_t pad = TMath::Nint(xyz[1]+fTPCParam->GetNPads(isec,TMath::Nint(xyz[0]))*0.5);
+ // pad numbering from -npads/2 .. npads/2-1
+ Int_t pad = TMath::Nint(xyz[1]+npads/2);
+ if (pad<0) pad=0;
+ if (pad>=npads) pad=npads-1;
+ correction = calib->GetPadTime0()->GetCalROC(isec)->GetValue(padrow,pad);
+ // printf("%d\t%d\t%d\t%f\n",isec,padrow,pad,correction);
+ if (fDebugStreamer){
+ (*fDebugStreamer)<<"Time0"<<
+ "isec="<<isec<<
+ "padrow="<<padrow<<
+ "pad="<<pad<<
+ "x0="<<xyz[0]<<
+ "x1="<<xyz[1]<<
+ "x2="<<xyz[2]<<
+ "hit.="<<tpcHit<<
+ "cor="<<correction<<
+ "\n";
+ }
+ }
+ xyz[2]+=correction;
+ xyz[2]+=fTPCParam->GetNTBinsL1(); // adding Level 1 time bin offset
+ //
// Electron track time (for pileup simulation)
- xyz[4] = tpcHit->Time()/fTPCParam->GetTSample();
+ xyz[2]+=tpcHit->Time()/fTPCParam->GetTSample(); // adding time of flight
+ xyz[4] =0;
+
+ //
// row 0 - cross talk from the innermost row
// row fNRow+1 cross talk from the outermost row
rowNumber = index[2]+1;
//transform position to local digit coordinates
//relative to nearest pad row
if ((rowNumber<0)||rowNumber>fTPCParam->GetNRow(isec)+1) continue;
- Float_t x1,y1;
+ /* Float_t x1,y1;
if (isec <fTPCParam->GetNInnerSector()) {
x1 = xyz[1]*fTPCParam->GetInnerPadPitchWidth();
y1 = fTPCParam->GetYInner(rowNumber);
// gain inefficiency at the wires edges - linear
x1=TMath::Abs(x1);
y1-=1.;
- if(x1>y1) xyz[3]*=TMath::Max(1.e-6,(y1-x1+1.));
+ if(x1>y1) xyz[3]*=TMath::Max(1.e-6,(y1-x1+1.)); */
nofElectrons[rowNumber]++;
//----------------------------------
AliDebug(1,"*********************************************");
}
-//_____________________________________________________________________________
-void AliTPC::MakeBranch(Option_t* option)
-{
- //
- // Create Tree branches for the TPC.
- //
- AliDebug(1,"");
- Int_t buffersize = 4000;
- char branchname[10];
- sprintf(branchname,"%s",GetName());
-
- const char *h = strstr(option,"H");
-
- if ( h && (fHitType<=1) && (fHits == 0x0)) fHits = new TClonesArray("AliTPChit", 176);//skowron 20.06.03
-
- AliDetector::MakeBranch(option);
-
- const char *d = strstr(option,"D");
-
- if (fDigits && fLoader->TreeD() && d) {
- MakeBranchInTree(gAlice->TreeD(), branchname, &fDigits, buffersize, 0);
- }
-
- if (fHitType>1) MakeBranch2(option,0); // MI change 14.09.2000
-}
-
//_____________________________________________________________________________
void AliTPC::ResetDigits()
{
// xyz and index must be already transformed to system 1
//
- fTPCParam->Transform1to2(xyz,index);
+ fTPCParam->Transform1to2(xyz,index); // mis-alignment applied in this step
//add diffusion
Float_t driftl=xyz[2];
Float_t dx = fTPCParam->Transform2to2NearestWire(xyz,index);
xyz[1]+=dx*(fTPCParam->GetOmegaTau());
}
- //add nonisochronity (not implemented yet)
+ //add nonisochronity (not implemented yet)
+
+
}
ClassImp(AliTPChit)
-
+ //______________________________________________________________________
+ AliTPChit::AliTPChit()
+ :AliHit(),
+ fSector(0),
+ fPadRow(0),
+ fQ(0),
+ fTime(0)
+{
+ //
+ // default
+ //
+
+}
//_____________________________________________________________________________
-AliTPChit::AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
-AliHit(shunt,track)
+AliTPChit::AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits)
+ :AliHit(shunt,track),
+ fSector(0),
+ fPadRow(0),
+ fQ(0),
+ fTime(0)
{
//
// Creates a TPC hit object
//________________________________________________________________________
// Additional code because of the AliTPCTrackHitsV2
-void AliTPC::MakeBranch2(Option_t *option,const char */*file*/)
+void AliTPC::MakeBranch(Option_t *option)
{
//
// Create a new branch in the current Root Tree
// Get the pointer to the header
const char *cH = strstr(option,"H");
//
- if (fTrackHits && TreeH() && cH && fHitType&4) {
+ if (fTrackHits && fLoader->TreeH() && cH && fHitType&4) {
AliDebug(1,"Making branch for Type 4 Hits");
- TreeH()->Branch(branchname,"AliTPCTrackHitsV2",&fTrackHits,fBufferSize,99);
+ fLoader->TreeH()->Branch(branchname,"AliTPCTrackHitsV2",&fTrackHits,fBufferSize,99);
}
-// if (fTrackHitsOld && TreeH() && cH && fHitType&2) {
+// if (fTrackHitsOld && fLoader->TreeH() && cH && fHitType&2) {
// AliDebug(1,"Making branch for Type 2 Hits");
// AliObjectBranch * branch = new AliObjectBranch(branchname,"AliTPCTrackHits",&fTrackHitsOld,
-// TreeH(),fBufferSize,99);
-// TreeH()->GetListOfBranches()->Add(branch);
+// fLoader->TreeH(),fBufferSize,99);
+// fLoader->TreeH()->GetListOfBranches()->Add(branch);
// }
}
sprintf(branchname,"%s2",GetName());
//
// Branch address for hit tree
- TTree *treeH = TreeH();
+ TTree *treeH = fLoader->TreeH();
if ((treeH)&&(fHitType&4)) {
branch = treeH->GetBranch(branchname);
if (branch) {
// else
// AliDebug(1,"fHitType&2 Failed (can not find branch)");
// }
- //set address to TREETR
-
- TTree *treeTR = TreeTR();
- if (treeTR && fTrackReferences) {
- branch = treeTR->GetBranch(GetName());
- if (branch) branch->SetAddress(&fTrackReferences);
- }
-
}
void AliTPC::FinishPrimary()
void AliTPC::AddHit2(Int_t track, Int_t *vol, Float_t *hits)
{
//
- // add hit to the list
+ // add hit to the list
+
Int_t rtrack;
if (fIshunt) {
int primary = gAlice->GetMCApp()->GetPrimary(track);
// track is returned
//
if(track>=0) {
- gAlice->ResetHits();
- TreeH()->GetEvent(track);
+ gAlice->GetMCApp()->ResetHits();
+ fLoader->TreeH()->GetEvent(track);
}
//
if (fTrackHits && fHitType&4) {
return 0;
}
-void AliTPC::LoadPoints(Int_t)
-{
- //
- Int_t a = 0;
-
- if(fHitType==1) AliDetector::LoadPoints(a);
- else LoadPoints2(a);
-}
-
-
void AliTPC::RemapTrackHitIDs(Int_t *map)
{
//
TClonesArray * arr = fTrackHits->GetArray();;
for (Int_t i=0;i<arr->GetEntriesFast();i++){
AliTrackHitsParamV2 * info = (AliTrackHitsParamV2 *)(arr->At(i));
- info->fTrackID = map[info->fTrackID];
+ info->SetTrackID(map[info->GetTrackID()]);
}
}
}
//
// return kTRUE;
// if (fTrackHitsOld && fHitType&2) {
-// TBranch * br = TreeH()->GetBranch("fTrackHitsInfo");
+// TBranch * br = fLoader->TreeH()->GetBranch("fTrackHitsInfo");
// br->GetEvent(track);
// AliObjectArray * ar = fTrackHitsOld->fTrackHitsInfo;
// for (UInt_t j=0;j<ar->GetSize();j++){
// }
if (fTrackHits && fHitType&4) {
- TBranch * br1 = TreeH()->GetBranch("fVolumes");
- TBranch * br2 = TreeH()->GetBranch("fNVolumes");
+ TBranch * br1 = fLoader->TreeH()->GetBranch("fVolumes");
+ TBranch * br2 = fLoader->TreeH()->GetBranch("fNVolumes");
br2->GetEvent(track);
br1->GetEvent(track);
Int_t *volumes = fTrackHits->GetVolumes();
}
if (fHitType&1) {
- TBranch * br = TreeH()->GetBranch("fSector");
+ TBranch * br = fLoader->TreeH()->GetBranch("fSector");
br->GetEvent(track);
for (Int_t j=0;j<fHits->GetEntriesFast();j++){
if ( ((AliTPChit*)fHits->At(j))->fSector==id) return kTRUE;
}
-//_____________________________________________________________________________
-void AliTPC::LoadPoints2(Int_t)
-{
- //
- // Store x, y, z of all hits in memory
- //
- // if (fTrackHits == 0 && fTrackHitsOld==0) return;
- if (fTrackHits == 0 ) return;
- //
- Int_t nhits =0;
- if (fHitType&4) nhits = fTrackHits->GetEntriesFast();
- // if (fHitType&2) nhits = fTrackHitsOld->GetEntriesFast();
-
- if (nhits == 0) return;
- Int_t tracks = gAlice->GetMCApp()->GetNtrack();
- if (fPoints == 0) fPoints = new TObjArray(tracks);
- AliHit *ahit;
- //
- Int_t *ntrk=new Int_t[tracks];
- Int_t *limi=new Int_t[tracks];
- Float_t **coor=new Float_t*[tracks];
- for(Int_t i=0;i<tracks;i++) {
- ntrk[i]=0;
- coor[i]=0;
- limi[i]=0;
- }
- //
- AliPoints *points = 0;
- Float_t *fp=0;
- Int_t trk;
- Int_t chunk=nhits/4+1;
- //
- // Loop over all the hits and store their position
- //
- ahit = FirstHit2(-1);
- while (ahit){
- trk=ahit->GetTrack();
- if(ntrk[trk]==limi[trk]) {
- //
- // Initialise a new track
- fp=new Float_t[3*(limi[trk]+chunk)];
- if(coor[trk]) {
- memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]);
- delete [] coor[trk];
- }
- limi[trk]+=chunk;
- coor[trk] = fp;
- } else {
- fp = coor[trk];
- }
- fp[3*ntrk[trk] ] = ahit->X();
- fp[3*ntrk[trk]+1] = ahit->Y();
- fp[3*ntrk[trk]+2] = ahit->Z();
- ntrk[trk]++;
- ahit = NextHit2();
- }
-
-
-
- //
- for(trk=0; trk<tracks; ++trk) {
- if(ntrk[trk]) {
- points = new AliPoints();
- points->SetMarkerColor(GetMarkerColor());
- points->SetMarkerSize(GetMarkerSize());
- points->SetDetector(this);
- points->SetParticle(trk);
- points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle());
- fPoints->AddAt(points,trk);
- delete [] coor[trk];
- coor[trk]=0;
- }
- }
- delete [] coor;
- delete [] ntrk;
- delete [] limi;
-}
-
-
-//_____________________________________________________________________________
-void AliTPC::LoadPoints3(Int_t)
-{
- //
- // Store x, y, z of all hits in memory
- // - only intersection point with pad row
- if (fTrackHits == 0) return;
- //
- Int_t nhits = fTrackHits->GetEntriesFast();
- if (nhits == 0) return;
- Int_t tracks = gAlice->GetMCApp()->GetNtrack();
- if (fPoints == 0) fPoints = new TObjArray(2*tracks);
- fPoints->Expand(2*tracks);
- AliHit *ahit;
- //
- Int_t *ntrk=new Int_t[tracks];
- Int_t *limi=new Int_t[tracks];
- Float_t **coor=new Float_t*[tracks];
- for(Int_t i=0;i<tracks;i++) {
- ntrk[i]=0;
- coor[i]=0;
- limi[i]=0;
- }
- //
- AliPoints *points = 0;
- Float_t *fp=0;
- Int_t trk;
- Int_t chunk=nhits/4+1;
- //
- // Loop over all the hits and store their position
- //
- ahit = FirstHit2(-1);
-
- Int_t lastrow = -1;
- while (ahit){
- trk=ahit->GetTrack();
- Float_t x[3]={ahit->X(),ahit->Y(),ahit->Z()};
- Int_t index[3]={1,((AliTPChit*)ahit)->fSector,0};
- Int_t currentrow = fTPCParam->GetPadRow(x,index) ;
- if (currentrow!=lastrow){
- lastrow = currentrow;
- //later calculate intersection point
- if(ntrk[trk]==limi[trk]) {
- //
- // Initialise a new track
- fp=new Float_t[3*(limi[trk]+chunk)];
- if(coor[trk]) {
- memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]);
- delete [] coor[trk];
- }
- limi[trk]+=chunk;
- coor[trk] = fp;
- } else {
- fp = coor[trk];
- }
- fp[3*ntrk[trk] ] = ahit->X();
- fp[3*ntrk[trk]+1] = ahit->Y();
- fp[3*ntrk[trk]+2] = ahit->Z();
- ntrk[trk]++;
- }
- ahit = NextHit2();
- }
-
- //
- for(trk=0; trk<tracks; ++trk) {
- if(ntrk[trk]) {
- points = new AliPoints();
- points->SetMarkerColor(GetMarkerColor()+1);
- points->SetMarkerStyle(5);
- points->SetMarkerSize(0.2);
- points->SetDetector(this);
- points->SetParticle(trk);
- points->SetPolyMarker(ntrk[trk],coor[trk],30);
- fPoints->AddAt(points,tracks+trk);
- delete [] coor[trk];
- coor[trk]=0;
- }
- }
- delete [] coor;
- delete [] ntrk;
- delete [] limi;
-}
-
-
AliLoader* AliTPC::MakeLoader(const char* topfoldername)
{
AliDebugClass(1,Form("TPC parameters %s found.",paramName));
} else {
AliWarningClass("TPC parameters not found. Create new (they may be incorrect)");
- paramTPC = new AliTPCParamSR;
+ //paramTPC = new AliTPCParamSR;
+ paramTPC = AliTPCcalibDB::Instance()->GetParameters();
+ if (!paramTPC->IsGeoRead()){
+ //
+ // read transformation matrices for gGeoManager
+ //
+ paramTPC->ReadGeoMatrices();
+ }
+
}
return paramTPC;