// 1. The Input data for reconstruction - Options
// 1.a Simulated data - TTree - invoked Digits2Clusters()
// 1.b Raw data - Digits2Clusters(AliRawReader* rawReader);
+// 1.c HLT clusters - Digits2Clusters and Digits2Clusters(AliRawReader* rawReader)
+// invoke ReadHLTClusters()
+//
+// fUseHLTClusters - switches between different inputs
+// 1 -> only TPC raw/sim data
+// 2 -> if present TPC raw/sim data, otherwise HLT clusters
+// 3 -> only HLT clusters
+// 4 -> if present HLT clusters, otherwise TPC raw/sim data
//
// 2. The Output data
// 2.a TTree with clusters - if SetOutput(TTree * tree) invoked
#include <TRandom.h>
#include <TTree.h>
#include <TTreeStream.h>
+#include "TSystem.h"
+#include "TClass.h"
#include "AliDigits.h"
#include "AliLoader.h"
#include "AliTPCTransform.h"
#include "AliTPCclustererMI.h"
+using std::cerr;
+using std::endl;
ClassImp(AliTPCclustererMI)
fRecoParam(0),
fBDumpSignal(kFALSE),
fBClonesArray(kFALSE),
+ fUseHLTClusters(4),
fAllBins(NULL),
fAllSigBins(NULL),
- fAllNSigBins(NULL)
+ fAllNSigBins(NULL),
+ fHLTClusterAccess(NULL)
{
//
// COSNTRUCTOR
fAllNSigBins[iRow]=0;
}
}
-//______________________________________________________________
-AliTPCclustererMI::AliTPCclustererMI(const AliTPCclustererMI ¶m)
- :TObject(param),
- fBins(0),
- fSigBins(0),
- fNSigBins(0),
- fLoop(0),
- fMaxBin(0),
- fMaxTime(0),
- fMaxPad(0),
- fSector(-1),
- fRow(-1),
- fSign(0),
- fRx(0),
- fPadWidth(0),
- fPadLength(0),
- fZWidth(0),
- fPedSubtraction(kFALSE),
- fEventHeader(0),
- fTimeStamp(0),
- fEventType(0),
- fInput(0),
- fOutput(0),
- fOutputArray(0),
- fOutputClonesArray(0),
- fRowCl(0),
- fRowDig(0),
- fParam(0),
- fNcluster(0),
- fNclusters(0),
- fDebugStreamer(0),
- fRecoParam(0),
- fBDumpSignal(kFALSE),
- fBClonesArray(kFALSE),
- fAllBins(NULL),
- fAllSigBins(NULL),
- fAllNSigBins(NULL)
-{
- //
- // dummy
- //
- fMaxBin = param.fMaxBin;
-}
-//______________________________________________________________
-AliTPCclustererMI & AliTPCclustererMI::operator =(const AliTPCclustererMI & param)
-{
- //
- // assignment operator - dummy
- //
- fMaxBin=param.fMaxBin;
- return (*this);
-}
+
//______________________________________________________________
AliTPCclustererMI::~AliTPCclustererMI(){
//
delete [] fAllBins;
delete [] fAllSigBins;
delete [] fAllNSigBins;
+ if (fHLTClusterAccess) delete fHLTClusterAccess;
}
void AliTPCclustererMI::SetInput(TTree * tree)
AliTPCclusterMI &c)
{
//
+ // Make cluster: characterized by position ( mean- COG) , shape (RMS) a charge, QMax and Q tot
+ // Additional correction:
+ // a) To correct for charge below threshold, in the +1 neghborhood to the max charge charge
+ // is extrapolated using gaussian approximation assuming given cluster width..
+ // Additional empirical factor is used to account for the charge fluctuation (kVirtualChargeFactor).
+ // Actual value of the kVirtualChargeFactor should obtained minimimizing residuals between the cluster
+ // and track interpolation.
+ // b.) For space points with extended shape (in comparison with expected using parameterization) clusters are
+ // unfoded
+ //
+ // NOTE. Actual/Empirical values for correction are hardwired in the code.
+ //
+ // Input paramters for function:
// k - Make cluster at position k
// bins - 2 D array of signals mapped to 1 dimensional array -
// max - the number of time bins er one dimension
- // c - refernce to cluster to be filled
+ // c - reference to cluster to be filled
//
+ Double_t kVirtualChargeFactor=0.5;
Int_t i0=k/max; //central pad
Int_t j0=k%max; //central time bin
Float_t ratio = TMath::Exp(-1.2*TMath::Abs(di)/sigmay2)*TMath::Exp(-1.2*TMath::Abs(dj)/sigmaz2);
amp = ((matrix[2][0]-2)*(matrix[2][0]-2)/(matrix[-di+2][-dj]+2))*ratio;
if (amp>2) amp = 2;
- vmatrix[2+di][2+dj]=amp;
+ vmatrix[2+di][2+dj]= kVirtualChargeFactor*amp;
vmatrix[2+2*di][2+2*dj]=0;
if ( (di*dj)!=0){
//DIAGONAL ELEMENTS
c.SetType(-(c.GetType()+3)); //edge clusters
}
if (fLoop==2) c.SetType(100);
- if (!AcceptCluster(&c)) return;
// select output
TClonesArray * arr = 0;
fParam->Dump();
fRecoParam->Dump();
}
+ fRowDig = NULL;
+
+ //-----------------------------------------------------------------
+ // Use HLT clusters
+ //-----------------------------------------------------------------
+ if (fUseHLTClusters == 3 || fUseHLTClusters == 4) {
+ AliInfo("Using HLT clusters for TPC off-line reconstruction");
+ fZWidth = fParam->GetZWidth();
+ Int_t iResult = ReadHLTClusters();
+
+ // HLT clusters present
+ if (iResult >= 0 && fNclusters > 0)
+ return;
+ // HLT clusters not present
+ if (iResult < 0 || fNclusters == 0) {
+ if (fUseHLTClusters == 3) {
+ AliError("No HLT clusters present, but requested.");
+ return;
+ }
+ else {
+ AliInfo("Now trying to read from TPC RAW");
+ }
+ }
+ // Some other problem during cluster reading
+ else {
+ AliWarning("Some problem while unpacking of HLT clusters.");
+ return;
+ }
+ } // if (fUseHLTClusters == 3 || fUseHLTClusters == 4) {
+
+ //-----------------------------------------------------------------
+ // Run TPC off-line clusterer
+ //-----------------------------------------------------------------
AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetPadGainFactor();
AliTPCCalPad * noiseTPC = AliTPCcalibDB::Instance()->GetPadNoise();
AliSimDigits digarr, *dummy=&digarr;
fZWidth = fParam->GetZWidth();
if (fSector < kNIS) {
fMaxPad = fParam->GetNPadsLow(row);
- fSign = (fSector < kNIS/2) ? 1 : -1;
+ fSign = (fSector < kNIS/2) ? 1 : -1;
fPadLength = fParam->GetPadPitchLength(fSector,row);
fPadWidth = fParam->GetPadPitchWidth();
} else {
}
Info("Digits2Clusters", "Number of found clusters : %d", nclusters);
+
+ if (fUseHLTClusters == 2 && nclusters == 0) {
+ AliInfo("No clusters from TPC Raw data, now trying to read HLT clusters.");
+
+ fZWidth = fParam->GetZWidth();
+ ReadHLTClusters();
+ }
}
void AliTPCclustererMI::ProcessSectorData(){
}
fRowDig = NULL;
+ //-----------------------------------------------------------------
+ // Use HLT clusters
+ //-----------------------------------------------------------------
+ if (fUseHLTClusters == 3 || fUseHLTClusters == 4) {
+ AliInfo("Using HLT clusters for TPC off-line reconstruction");
+ fZWidth = fParam->GetZWidth();
+ Int_t iResult = ReadHLTClusters();
+
+ // HLT clusters present
+ if (iResult >= 0 && fNclusters > 0)
+ return;
+
+ // HLT clusters not present
+ if (iResult < 0 || fNclusters == 0) {
+ if (fUseHLTClusters == 3) {
+ AliError("No HLT clusters present, but requested.");
+ return;
+ }
+ else {
+ AliInfo("Now trying to read TPC RAW");
+ }
+ }
+ // Some other problem during cluster reading
+ else {
+ AliWarning("Some problem while unpacking of HLT clusters.");
+ return;
+ }
+ } // if (fUseHLTClusters == 3 || fUseHLTClusters == 4) {
+
+ //-----------------------------------------------------------------
+ // Run TPC off-line clusterer
+ //-----------------------------------------------------------------
AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetPadGainFactor();
AliTPCAltroMapping** mapping =AliTPCcalibDB::Instance()->GetMapping();
//
if(fBClonesArray) {
//Info("Digits2Clusters", "Number of found clusters : %d\n",fOutputClonesArray->GetEntriesFast());
}
+
+ if (fUseHLTClusters == 2 && fNclusters == 0) {
+ AliInfo("No clusters from TPC Raw data, now trying to read HLT clusters.");
+
+ fZWidth = fParam->GetZWidth();
+ ReadHLTClusters();
+ }
}
}
Bool_t AliTPCclustererMI::AcceptCluster(AliTPCclusterMI *cl){
- //
+ // -- Depricated --
// Currently hack to filter digital noise (15.06.2008)
// To be parameterized in the AliTPCrecoParam
// More inteligent way to be used in future
return median;
}
+Int_t AliTPCclustererMI::ReadHLTClusters()
+{
+ //
+ // read HLT clusters instead of off line custers,
+ // used in Digits2Clusters
+ //
+ if (!fHLTClusterAccess) {
+ TClass* pCl=NULL;
+ ROOT::NewFunc_t pNewFunc=NULL;
+ do {
+ pCl=TClass::GetClass("AliHLTTPCClusterAccessHLTOUT");
+ } while (!pCl && gSystem->Load("libAliHLTTPC.so")==0);
+ if (!pCl || (pNewFunc=pCl->GetNew())==NULL) {
+ AliError("can not load class description of AliHLTTPCClusterAccessHLTOUT, aborting ...");
+ return -1;
+ }
+
+ void* p=(*pNewFunc)(NULL);
+ if (!p) {
+ AliError("unable to create instance of AliHLTTPCClusterAccessHLTOUT");
+ return -2;
+ }
+ fHLTClusterAccess=reinterpret_cast<TObject*>(p);
+ }
+
+ TObject* pClusterAccess=fHLTClusterAccess;
+
+ const Int_t kNIS = fParam->GetNInnerSector();
+ const Int_t kNOS = fParam->GetNOuterSector();
+ const Int_t kNS = kNIS + kNOS;
+ fNclusters = 0;
+
+ // make sure that all clusters from the previous event are cleared
+ pClusterAccess->Clear("event");
+ for(fSector = 0; fSector < kNS; fSector++) {
+
+ Int_t iResult = 1;
+ TString param("sector="); param+=fSector;
+ // prepare for next sector
+ pClusterAccess->Clear("sector");
+ pClusterAccess->Execute("read", param, &iResult);
+ if (iResult < 0) {
+ return iResult;
+ AliError("HLT Clusters can not be found");
+ }
+
+ TObject* pObj=pClusterAccess->FindObject("clusterarray");
+ if (pObj==NULL) {
+ AliError("HLT clusters requested, but not cluster array not present");
+ return -4;
+ }
+ TObjArray* clusterArray=dynamic_cast<TClonesArray*>(pObj);
+ if (!clusterArray) {
+ AliError("HLT cluster array is not of class type TClonesArray");
+ return -5;
+ }
+
+ AliDebug(4,Form("Reading %d clusters from HLT for sector %d", clusterArray->GetEntriesFast(), fSector));
+
+ Int_t nClusterSector=0;
+ Int_t nRows=fParam->GetNRow(fSector);
+
+ for (fRow = 0; fRow < nRows; fRow++) {
+ fRowCl->SetID(fParam->GetIndex(fSector, fRow));
+ if (fOutput) fOutput->GetBranch("Segment")->SetAddress(&fRowCl);
+ fNcluster=0; // reset clusters per row
+
+ fRx = fParam->GetPadRowRadii(fSector, fRow);
+ fPadLength = fParam->GetPadPitchLength(fSector, fRow);
+ fPadWidth = fParam->GetPadPitchWidth();
+ fMaxPad = fParam->GetNPads(fSector,fRow);
+ fMaxBin = fMaxTime*(fMaxPad+6); // add 3 virtual pads before and 3 after
+
+ fBins = fAllBins[fRow];
+ fSigBins = fAllSigBins[fRow];
+ fNSigBins = fAllNSigBins[fRow];
+
+ for (Int_t i=0; i<clusterArray->GetEntriesFast(); i++) {
+ if (!clusterArray->At(i))
+ continue;
+
+ AliTPCclusterMI* cluster=dynamic_cast<AliTPCclusterMI*>(clusterArray->At(i));
+ if (!cluster) continue;
+ if (cluster->GetRow()!=fRow) continue;
+ nClusterSector++;
+ AddCluster(*cluster, NULL, 0);
+ }
+
+ FillRow();
+ fRowCl->GetArray()->Clear("c");
+
+ } // for (fRow = 0; fRow < nRows; fRow++) {
+ if (nClusterSector!=clusterArray->GetEntriesFast()) {
+ AliError(Form("Failed to read %d out of %d HLT clusters",
+ clusterArray->GetEntriesFast()-nClusterSector,
+ clusterArray->GetEntriesFast()));
+ }
+ fNclusters+=nClusterSector;
+ } // for(fSector = 0; fSector < kNS; fSector++) {
+ pClusterAccess->Clear("event");
+ Info("Digits2Clusters", "Number of converted HLT clusters : %d", fNclusters);
+
+ return 0;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff