#include "AliTRDclusterizer.h"
#include "AliTRDcluster.h"
+#include "AliTRDReconstructor.h"
#include "AliTRDgeometry.h"
#include "AliTRDdataArrayF.h"
#include "AliTRDdataArrayI.h"
+#include "AliTRDdataArrayS.h"
+#include "AliTRDdataArrayDigits.h"
#include "AliTRDdigitsManager.h"
#include "AliTRDrawData.h"
#include "AliTRDcalibDB.h"
-#include "AliTRDSimParam.h"
-#include "AliTRDRecParam.h"
+#include "AliTRDrecoParam.h"
#include "AliTRDCommonParam.h"
#include "AliTRDtransform.h"
#include "AliTRDSignalIndex.h"
-#include "AliTRDRawStream.h"
-#include "AliTRDRawStreamV2.h"
+#include "AliTRDrawStreamBase.h"
#include "AliTRDfeeParam.h"
#include "Cal/AliTRDCalROC.h"
#include "Cal/AliTRDCalDet.h"
+#include "Cal/AliTRDCalSingleChamberStatus.h"
ClassImp(AliTRDclusterizer)
,fRawVersion(2)
,fIndexesOut(NULL)
,fIndexesMaxima(NULL)
- ,fTransform(NULL)
+ ,fTransform(new AliTRDtransform(0))
+ ,fLUTbin(0)
+ ,fLUT(NULL)
{
//
// AliTRDclusterizer default constructor
,fIndexesOut(NULL)
,fIndexesMaxima(NULL)
,fTransform(new AliTRDtransform(0))
+ ,fLUTbin(0)
+ ,fLUT(NULL)
{
//
// AliTRDclusterizer constructor
fRawVersion = AliTRDfeeParam::Instance()->GetRAWversion();
+ FillLUT();
+
}
//_____________________________________________________________________________
,fIndexesOut(NULL)
,fIndexesMaxima(NULL)
,fTransform(NULL)
+ ,fLUTbin(0)
+ ,fLUT(0)
{
//
// AliTRDclusterizer copy constructor
//
+ FillLUT();
+
}
//_____________________________________________________________________________
// AliTRDclusterizer destructor
//
+ printf("----> AliTRDclusterizer::dtor\n");
+
if (fRecPoints)
{
fRecPoints->Delete();
fTransform = NULL;
}
+ if (fLUT)
+ {
+ delete [] fLUT;
+ fLUT = NULL;
+ }
+
}
//_____________________________________________________________________________
((AliTRDclusterizer &) c).fIndexesOut = NULL;
((AliTRDclusterizer &) c).fIndexesMaxima = NULL;
((AliTRDclusterizer &) c).fTransform = NULL;
+ ((AliTRDclusterizer &) c).fLUTbin = 0;
+ ((AliTRDclusterizer &) c).fLUT = NULL;
}
for (Int_t i = 0; i < AliTRDgeometry::kNdet; i++)
{
- AliTRDdataArrayI *digitsIn = fDigitsManager->GetDigits(i);
+ AliTRDdataArrayDigits *digitsIn = (AliTRDdataArrayDigits*) fDigitsManager->GetDigits(i);
// This is to take care of switched off super modules
- if (digitsIn->GetNtime() == 0)
+ if (!digitsIn->HasData())
{
continue;
}
for (Int_t iDict = 0; iDict < AliTRDdigitsManager::kNDict; iDict++)
{
AliTRDdataArrayI *tracksIn = 0;
- tracksIn = fDigitsManager->GetDictionary(i,iDict);
+ tracksIn = (AliTRDdataArrayI *) fDigitsManager->GetDictionary(i,iDict);
tracksIn->Expand();
}
}
// Creates clusters from raw data
//
- AliTRDdataArrayI *digits = 0;
- AliTRDdataArrayI *track0 = 0;
- AliTRDdataArrayI *track1 = 0;
- AliTRDdataArrayI *track2 = 0;
-
- AliTRDSignalIndex *indexes = 0;
-
- // Create the digits manager
- if (!fDigitsManager)
- {
- fDigitsManager = new AliTRDdigitsManager();
- fDigitsManager->CreateArrays();
- }
-
- AliTRDRawStreamV2 input(rawReader);
- input.SetRawVersion( fRawVersion );
- input.Init();
-
- AliInfo(Form("Stream version: %s", input.IsA()->GetName()));
-
- // Loop through the digits
- Int_t lastdet = -1;
- Int_t det = 0;
- Int_t it = 0;
- while (input.Next())
- {
-
- det = input.GetDet();
-
- if (det != lastdet)
- {
-
- if (lastdet != -1)
- {
- digits = fDigitsManager->GetDigits(lastdet);
- Bool_t iclusterBranch = kFALSE;
- if (indexes->HasEntry())
- iclusterBranch = MakeClusters(lastdet);
- if (iclusterBranch == kFALSE)
- {
- WriteClusters(lastdet);
- ResetRecPoints();
- }
- }
-
- if (digits)
- {
- fDigitsManager->RemoveDigits(lastdet);
- fDigitsManager->RemoveDictionaries(lastdet);
- fDigitsManager->ClearIndexes(lastdet);
- }
-
- lastdet = det;
-
- // Add a container for the digits of this detector
- digits = fDigitsManager->GetDigits(det);
- track0 = fDigitsManager->GetDictionary(det,0);
- track1 = fDigitsManager->GetDictionary(det,1);
- track2 = fDigitsManager->GetDictionary(det,2);
-
- // Allocate memory space for the digits buffer
- if (digits->GetNtime() == 0)
- {
- //AliDebug(5, Form("Alloc digits for det %d", det));
- digits->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins());
- track0->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins());
- track1->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins());
- track2->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins());
- }
-
- indexes = fDigitsManager->GetIndexes(det);
- indexes->SetSM(input.GetSM());
- indexes->SetStack(input.GetStack());
- indexes->SetLayer(input.GetLayer());
- indexes->SetDetNumber(det);
- if (indexes->IsAllocated() == kFALSE)
- {
- indexes->Allocate(input.GetMaxRow(), input.GetMaxCol(), input.GetNumberOfTimeBins());
- }
-
- }
-
- for (it = 0; it < 3; it++)
- {
- if ( input.GetTimeBin() + it < input.GetNumberOfTimeBins() )
- {
- if (input.GetSignals()[it] > 0)
- {
- digits->SetDataUnchecked(input.GetRow(), input.GetCol(),
- input.GetTimeBin() + it, input.GetSignals()[it]);
-
- indexes->AddIndexTBin(input.GetRow(), input.GetCol(),
- input.GetTimeBin() + it);
- track0->SetDataUnchecked(input.GetRow(), input.GetCol(),
- input.GetTimeBin() + it, 0);
- track1->SetDataUnchecked(input.GetRow(), input.GetCol(),
- input.GetTimeBin() + it, 0);
- track2->SetDataUnchecked(input.GetRow(), input.GetCol(),
- input.GetTimeBin() + it, 0);
- }
- }
- }
-
- }
-
- if (lastdet != -1)
- {
- Bool_t iclusterBranch = kFALSE;
- if (indexes->HasEntry())
- {
- iclusterBranch = MakeClusters(lastdet);
- }
- if (iclusterBranch == kFALSE)
- {
- WriteClusters(lastdet);
- ResetRecPoints();
- }
- //MakeClusters(lastdet);
- if (digits)
- {
- fDigitsManager->RemoveDigits(lastdet);
- fDigitsManager->RemoveDictionaries(lastdet);
- fDigitsManager->ClearIndexes(lastdet);
- }
- }
-
- delete fDigitsManager;
- fDigitsManager = NULL;
- return kTRUE;
+ return Raw2ClustersChamber(rawReader);
}
fDigitsManager->SetUseDictionaries(fAddLabels);
- AliTRDRawStreamV2 input(rawReader);
- input.SetRawVersion( fRawVersion );
- input.Init();
+ AliTRDrawStreamBase *pinput = AliTRDrawStreamBase::GetRawStream(rawReader);
+ AliTRDrawStreamBase &input = *pinput;
AliInfo(Form("Stream version: %s", input.IsA()->GetName()));
delete fDigitsManager;
fDigitsManager = NULL;
+
+ delete pinput;
+ pinput = NULL;
return kTRUE;
}
+//_____________________________________________________________________________
+UChar_t AliTRDclusterizer::GetStatus(Short_t &signal)
+{
+ UChar_t status = 0;
+ // check if pad is masked
+ if(signal>0 && TESTBIT(signal, 10)){
+ CLRBIT(signal, 10);
+ for(int ibit=0; ibit<4; ibit++){
+ if(TESTBIT(signal, 11+ibit)){
+ SETBIT(status, ibit);
+ CLRBIT(signal, 11+ibit);
+ }
+ }
+ }
+ return status;
+}
+
//_____________________________________________________________________________
Bool_t AliTRDclusterizer::MakeClusters(Int_t det)
{
// Get the digits
// digits should be expanded beforehand!
// digitsIn->Expand();
- AliTRDdataArrayI *digitsIn = fDigitsManager->GetDigits(det);
-
+ AliTRDdataArrayDigits *digitsIn = (AliTRDdataArrayDigits *) fDigitsManager->GetDigits(det);
+
// This is to take care of switched off super modules
- if (digitsIn->GetNtime() == 0)
+ if (!digitsIn->HasData())
{
return kFALSE;
}
return kFALSE;
}
- AliTRDRecParam *recParam = AliTRDRecParam::Instance();
- if (!recParam)
- {
- AliError("No AliTRDRecParam instance available\n");
- return kFALSE;
- }
-
// ADC thresholds
// There is no ADC threshold anymore, and simParam should not be used in clusterizer. KO
Float_t adcThreshold = 0;
+ if (!AliTRDReconstructor::RecoParam())
+ {
+ AliError("RecoParam does not exist\n");
+ return kFALSE;
+ }
+
// Threshold value for the maximum
- Float_t maxThresh = recParam->GetClusMaxThresh();
+ Float_t maxThresh = AliTRDReconstructor::RecoParam()->GetClusMaxThresh();
// Threshold value for the digit signal
- Float_t sigThresh = recParam->GetClusSigThresh();
+ Float_t sigThresh = AliTRDReconstructor::RecoParam()->GetClusSigThresh();
// Iteration limit for unfolding procedure
const Float_t kEpsilon = 0.01;
UShort_t volid = AliGeomManager::LayerToVolUID(ilayer,imodule);
Int_t nColMax = digitsIn->GetNcol();
+ Int_t nRowMax = digitsIn->GetNrow();
Int_t nTimeTotal = digitsIn->GetNtime();
// Detector wise calibration object for the gain factors
- const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet();
+ const AliTRDCalDet *calGainFactorDet = calibration->GetGainFactorDet();
// Calibration object with pad wise values for the gain factors
- AliTRDCalROC *calGainFactorROC = calibration->GetGainFactorROC(idet);
+ AliTRDCalROC *calGainFactorROC = calibration->GetGainFactorROC(idet);
// Calibration value for chamber wise gain factor
- Float_t calGainFactorDetValue = calGainFactorDet->GetValue(idet);
+ Float_t calGainFactorDetValue = calGainFactorDet->GetValue(idet);
Int_t nClusters = 0;
- AliTRDdataArrayF *digitsOut = new AliTRDdataArrayF(digitsIn->GetNrow()
- ,digitsIn->GetNcol()
- ,digitsIn->GetNtime());
+ AliTRDdataArrayF *digitsOut = new AliTRDdataArrayF(nRowMax, nColMax, nTimeTotal);
+ AliTRDdataArrayS padStatus(nRowMax, nColMax, nTimeTotal);
ResetHelperIndexes(indexesIn);
// Apply the gain and the tail cancelation via digital filter
TailCancelation(digitsIn
- ,digitsOut
- ,indexesIn
- ,fIndexesOut
- ,nTimeTotal
- ,adcThreshold
- ,calGainFactorROC
- ,calGainFactorDetValue);
+ ,digitsOut
+ ,indexesIn
+ ,fIndexesOut
+ ,nTimeTotal
+ ,adcThreshold
+ ,calGainFactorROC
+ ,calGainFactorDetValue);
Int_t row = 0;
Int_t col = 0;
Int_t time = 0;
Int_t iPad = 0;
+ UChar_t status[3]={0, 0, 0}, ipos = 0;
fIndexesOut->ResetCounters();
- while (fIndexesOut->NextRCTbinIndex(row, col, time))
- {
-
- Float_t signalM = TMath::Abs(digitsOut->GetDataUnchecked(row,col,time));
-
- // Look for the maximum
- if (signalM >= maxThresh)
- {
-
- if (col + 1 >= nColMax || col-1 < 0)
- continue;
+ while (fIndexesOut->NextRCTbinIndex(row, col, time)){
+ Float_t signalM = TMath::Abs(digitsOut->GetDataUnchecked(row,col,time));
+ status[1] = digitsIn->GetPadStatus(row,col,time);
+ if(status[1]) SETBIT(ipos, AliTRDcluster::kMaskedCenter);
+
+ // Look for the maximum
+ if (signalM >= maxThresh) {
+ if (col + 1 >= nColMax || col-1 < 0) continue;
+
+ Float_t signalL = TMath::Abs(digitsOut->GetDataUnchecked(row,col+1,time));
+ status[0] = digitsIn->GetPadStatus(row,col+1,time);
+ if(status[0]) SETBIT(ipos, AliTRDcluster::kMaskedLeft);
+
+ Float_t signalR = TMath::Abs(digitsOut->GetDataUnchecked(row,col-1,time));
+ status[2] = digitsIn->GetPadStatus(row,col-1,time);
+ if(status[2]) SETBIT(ipos, AliTRDcluster::kMaskedRight);
+
+ // reject candidates with more than 1 problematic pad
+ if(ipos == 3 || ipos > 4) continue;
+
+ if(!status[1]){ // good central pad
+ if(!ipos){ // all pads are OK
+ if ((signalL <= signalM) && (signalR < signalM)) {
+ if ((signalL >= sigThresh) || (signalR >= sigThresh)) {
+ // Maximum found, mark the position by a negative signal
+ digitsOut->SetDataUnchecked(row,col,time,-signalM);
+ fIndexesMaxima->AddIndexTBin(row,col,time);
+ padStatus.SetDataUnchecked(row, col, time, ipos);
+ }
+ }
+ } else { // one of the neighbouring pads are bad
+ if(status[0] && signalR < signalM && signalR >= sigThresh){
+ digitsOut->SetDataUnchecked(row,col,time,-signalM);
+ digitsOut->SetDataUnchecked(row, col, time+1, 0.);
+ fIndexesMaxima->AddIndexTBin(row,col,time);
+ padStatus.SetDataUnchecked(row, col, time, ipos);
+ } else if(status[2] && signalL <= signalM && signalL >= sigThresh){
+ digitsOut->SetDataUnchecked(row,col,time,-signalM);
+ digitsOut->SetDataUnchecked(row, col, time-1, 0.);
+ fIndexesMaxima->AddIndexTBin(row,col,time);
+ padStatus.SetDataUnchecked(row, col, time, ipos);
+ }
+ }
+ } else { // wrong maximum pad
+ if ((signalL >= sigThresh) || (signalR >= sigThresh)) {
+ // Maximum found, mark the position by a negative signal
+ digitsOut->SetDataUnchecked(row,col,time,-maxThresh);
+ fIndexesMaxima->AddIndexTBin(row,col,time);
+ padStatus.SetDataUnchecked(row, col, time, ipos);
+ }
+ }
+ }
+ }
- Float_t signalL = TMath::Abs(digitsOut->GetDataUnchecked(row,col+1,time));
- Float_t signalR = TMath::Abs(digitsOut->GetDataUnchecked(row,col-1,time));
+ // The index to the first cluster of a given ROC
+ Int_t firstClusterROC = -1;
+ // The number of cluster in a given ROC
+ Int_t nClusterROC = 0;
- if ((TMath::Abs(signalL) <= signalM) &&
- (TMath::Abs(signalR) < signalM))
- {
- if ((TMath::Abs(signalL) >= sigThresh) ||
- (TMath::Abs(signalR) >= sigThresh))
- {
- // Maximum found, mark the position by a negative signal
- digitsOut->SetDataUnchecked(row,col,time,-signalM);
- fIndexesMaxima->AddIndexTBin(row,col,time);
- }
- }
+ // Now check the maxima and calculate the cluster position
+ fIndexesMaxima->ResetCounters();
+ while (fIndexesMaxima->NextRCTbinIndex(row, col, time)) {
- }
+ // Maximum found ?
+ if (digitsOut->GetDataUnchecked(row,col,time) < 0.0) {
+ for (iPad = 0; iPad < kNclus; iPad++) {
+ Int_t iPadCol = col - 1 + iPad;
+ clusterSignal[iPad] = TMath::Abs(digitsOut->GetDataUnchecked(row,iPadCol,time));
+ }
- }
-
- // The index to the first cluster of a given ROC
- Int_t firstClusterROC = -1;
- // The number of cluster in a given ROC
- Int_t nClusterROC = 0;
-
- // Now check the maxima and calculate the cluster position
- fIndexesMaxima->ResetCounters();
- while (fIndexesMaxima->NextRCTbinIndex(row, col, time))
- {
+ // Count the number of pads in the cluster
+ Int_t nPadCount = 0;
+ Int_t ii;
+ // Look to the left
+ ii = 0;
+ while (TMath::Abs(digitsOut->GetDataUnchecked(row,col-ii ,time)) >= sigThresh) {
+ nPadCount++;
+ ii++;
+ if (col-ii < 0) break;
+ }
+ // Look to the right
+ ii = 0;
+ while (TMath::Abs(digitsOut->GetDataUnchecked(row,col+ii+1,time)) >= sigThresh){
+ nPadCount++;
+ ii++;
+ if (col+ii+1 >= nColMax) break;
+ }
+ nClusters++;
+
+ // Look for 5 pad cluster with minimum in the middle
+ Bool_t fivePadCluster = kFALSE;
+ if (col < (nColMax - 3)){
+ if (digitsOut->GetDataUnchecked(row,col+2,time) < 0) {
+ fivePadCluster = kTRUE;
+ }
+ if ((fivePadCluster) && (col < (nColMax - 5))) {
+ if (digitsOut->GetDataUnchecked(row,col+4,time) >= sigThresh){
+ fivePadCluster = kFALSE;
+ }
+ }
+ if ((fivePadCluster) && (col > 1)){
+ if (digitsOut->GetDataUnchecked(row,col-2,time) >= sigThresh){
+ fivePadCluster = kFALSE;
+ }
+ }
+ }
- // Maximum found ?
- if (digitsOut->GetDataUnchecked(row,col,time) < 0.0)
- {
+ // 5 pad cluster
+ // Modify the signal of the overlapping pad for the left part
+ // of the cluster which remains from a previous unfolding
+ if (iUnfold) {
+ clusterSignal[0] *= ratioLeft;
+ iUnfold = 0;
+ }
- for (iPad = 0; iPad < kNclus; iPad++)
- {
- Int_t iPadCol = col - 1 + iPad;
- clusterSignal[iPad] = TMath::Abs(digitsOut->GetDataUnchecked(row,iPadCol,time));
- }
+ // Unfold the 5 pad cluster
+ if (fivePadCluster){
+ for (iPad = 0; iPad < kNsig; iPad++) {
+ padSignal[iPad] = TMath::Abs(digitsOut->GetDataUnchecked(row
+ ,col-1+iPad
+ ,time));
+ }
+ // Unfold the two maxima and set the signal on
+ // the overlapping pad to the ratio
+ ratioRight = Unfold(kEpsilon,iplan,padSignal);
+ ratioLeft = 1.0 - ratioRight;
+ clusterSignal[2] *= ratioRight;
+ iUnfold = 1;
+ }
- // Count the number of pads in the cluster
- Int_t nPadCount = 0;
- Int_t ii;
- // Look to the left
- ii = 0;
- while (TMath::Abs(digitsOut->GetDataUnchecked(row,col-ii ,time)) >= sigThresh)
- {
- nPadCount++;
- ii++;
- if (col-ii < 0) break;
- }
- // Look to the right
- ii = 0;
- while (TMath::Abs(digitsOut->GetDataUnchecked(row,col+ii+1,time)) >= sigThresh)
- {
- nPadCount++;
- ii++;
- if (col+ii+1 >= nColMax) break;
- }
- nClusters++;
-
- // Look for 5 pad cluster with minimum in the middle
- Bool_t fivePadCluster = kFALSE;
- if (col < (nColMax - 3))
- {
- if (digitsOut->GetDataUnchecked(row,col+2,time) < 0)
- {
- fivePadCluster = kTRUE;
- }
- if ((fivePadCluster) && (col < (nColMax - 5)))
- {
- if (digitsOut->GetDataUnchecked(row,col+4,time) >= sigThresh)
- {
- fivePadCluster = kFALSE;
- }
- }
- if ((fivePadCluster) && (col > 1))
- {
- if (digitsOut->GetDataUnchecked(row,col-2,time) >= sigThresh)
- {
- fivePadCluster = kFALSE;
- }
- }
- }
+ // The position of the cluster in COL direction relative to the center pad (pad units)
+ Double_t clusterPosCol = 0.0;
+ if (AliTRDReconstructor::RecoParam()->LUTOn()) {
+ // Calculate the position of the cluster by using the
+ // lookup table method
+ clusterPosCol = LUTposition(iplan,clusterSignal[0]
+ ,clusterSignal[1]
+ ,clusterSignal[2]);
+ } else {
+ // Calculate the position of the cluster by using the
+ // center of gravity method
+ for (Int_t i = 0; i < kNsig; i++) {
+ padSignal[i] = 0.0;
+ }
+ padSignal[2] = TMath::Abs(digitsOut->GetDataUnchecked(row,col ,time)); // Central pad
+ padSignal[1] = TMath::Abs(digitsOut->GetDataUnchecked(row,col-1,time)); // Left pad
+ padSignal[3] = TMath::Abs(digitsOut->GetDataUnchecked(row,col+1,time)); // Right pad
+
+ if ((col > 2) &&
+ (TMath::Abs(digitsOut->GetDataUnchecked(row,col-2,time)) < padSignal[1])) {
+ padSignal[0] = TMath::Abs(digitsOut->GetDataUnchecked(row,col-2,time));
+ }
+ if ((col < nColMax - 3) &&
+ (TMath::Abs(digitsOut->GetDataUnchecked(row,col+2,time)) < padSignal[3])){
+ padSignal[4] = TMath::Abs(digitsOut->GetDataUnchecked(row,col+2,time));
+ }
+ clusterPosCol = GetCOG(padSignal);
+ }
- // 5 pad cluster
- // Modify the signal of the overlapping pad for the left part
- // of the cluster which remains from a previous unfolding
- if (iUnfold)
- {
- clusterSignal[0] *= ratioLeft;
- iUnfold = 0;
- }
+ // Store the amplitudes of the pads in the cluster for later analysis
+ // and check whether one of these pads is masked in the database
+ Short_t signals[7] = { 0, 0, 0, 0, 0, 0, 0 };
+ for (Int_t jPad = col-3; jPad <= col+3; jPad++) {
+ if ((jPad < 0) ||
+ (jPad >= nColMax-1)) {
+ continue;
+ }
+ signals[jPad-col+3] = TMath::Nint(TMath::Abs(digitsOut->GetDataUnchecked(row,jPad,time)));
+ }
- // Unfold the 5 pad cluster
- if (fivePadCluster)
- {
- for (iPad = 0; iPad < kNsig; iPad++)
- {
- padSignal[iPad] = TMath::Abs(digitsOut->GetDataUnchecked(row
- ,col-1+iPad
- ,time));
- }
- // Unfold the two maxima and set the signal on
- // the overlapping pad to the ratio
- ratioRight = Unfold(kEpsilon,iplan,padSignal);
- ratioLeft = 1.0 - ratioRight;
- clusterSignal[2] *= ratioRight;
- iUnfold = 1;
- }
+ // Transform the local cluster coordinates into calibrated
+ // space point positions defined in the local tracking system.
+ // Here the calibration for T0, Vdrift and ExB is applied as well.
+ Double_t clusterXYZ[6];
+ clusterXYZ[0] = clusterPosCol;
+ clusterXYZ[1] = clusterSignal[0];
+ clusterXYZ[2] = clusterSignal[1];
+ clusterXYZ[3] = clusterSignal[2];
+ clusterXYZ[4] = 0.0;
+ clusterXYZ[5] = 0.0;
+ Int_t clusterRCT[3];
+ clusterRCT[0] = row;
+ clusterRCT[1] = col;
+ clusterRCT[2] = 0;
+
+ Bool_t out = kTRUE;
+ if (fTransform->Transform(clusterXYZ, clusterRCT, ((UInt_t) time), out, 0)) {
+
+ // Add the cluster to the output array
+ // The track indices will be stored later
+ Float_t clusterPos[3];
+ clusterPos[0] = clusterXYZ[0];
+ clusterPos[1] = clusterXYZ[1];
+ clusterPos[2] = clusterXYZ[2];
+ Float_t clusterSig[2];
+ clusterSig[0] = clusterXYZ[4];
+ clusterSig[1] = clusterXYZ[5];
+ Double_t clusterCharge = clusterXYZ[3];
+ Char_t clusterTimeBin = ((Char_t) clusterRCT[2]);
+ AliTRDcluster *cluster = new AliTRDcluster(idet
+ ,clusterCharge
+ ,clusterPos
+ ,clusterSig
+ ,0x0
+ ,((Char_t) nPadCount)
+ ,signals
+ ,((UChar_t) col)
+ ,((UChar_t) row)
+ ,((UChar_t) time)
+ ,clusterTimeBin
+ ,clusterPosCol
+ ,volid);
+ cluster->SetInChamber(!out);
+ UChar_t maskPosition = padStatus.GetDataUnchecked(row, col, time);
+ if(maskPosition){
+ cluster->SetPadMaskedPosition(maskPosition);
+
+ if(maskPosition & AliTRDcluster::kMaskedLeft) cluster->SetPadMaskedStatus(status[0]);
+ else if(maskPosition & AliTRDcluster::kMaskedCenter) cluster->SetPadMaskedStatus(status[1]);
+ else cluster->SetPadMaskedStatus(status[2]);
+ }
- // The position of the cluster in COL direction relative to the center pad (pad units)
- Double_t clusterPosCol = 0.0;
- if (recParam->LUTOn())
- {
- // Calculate the position of the cluster by using the
- // lookup table method
- clusterPosCol = recParam->LUTposition(iplan
- ,clusterSignal[0]
- ,clusterSignal[1]
- ,clusterSignal[2]);
- }
- else
- {
- // Calculate the position of the cluster by using the
- // center of gravity method
- for (Int_t i = 0; i < kNsig; i++)
- {
- padSignal[i] = 0.0;
- }
- padSignal[2] = TMath::Abs(digitsOut->GetDataUnchecked(row,col ,time)); // Central pad
- padSignal[1] = TMath::Abs(digitsOut->GetDataUnchecked(row,col-1,time)); // Left pad
- padSignal[3] = TMath::Abs(digitsOut->GetDataUnchecked(row,col+1,time)); // Right pad
- if ((col > 2) &&
- (TMath::Abs(digitsOut->GetDataUnchecked(row,col-2,time)) < padSignal[1]))
- {
- padSignal[0] = TMath::Abs(digitsOut->GetDataUnchecked(row,col-2,time));
- }
- if ((col < nColMax - 3) &&
- (TMath::Abs(digitsOut->GetDataUnchecked(row,col+2,time)) < padSignal[3]))
- {
- padSignal[4] = TMath::Abs(digitsOut->GetDataUnchecked(row,col+2,time));
- }
- clusterPosCol = GetCOG(padSignal);
- }
+ // Temporarily store the row, column and time bin of the center pad
+ // Used to later on assign the track indices
+ cluster->SetLabel( row,0);
+ cluster->SetLabel( col,1);
+ cluster->SetLabel(time,2);
+
+ RecPoints()->Add(cluster);
- // Store the amplitudes of the pads in the cluster for later analysis
- Short_t signals[7] = { 0, 0, 0, 0, 0, 0, 0 };
- for (Int_t jPad = col-3; jPad <= col+3; jPad++)
- {
- if ((jPad < 0) ||
- (jPad >= nColMax-1))
- {
- continue;
- }
- signals[jPad-col+3] = TMath::Nint(TMath::Abs(digitsOut->GetDataUnchecked(row,jPad,time)));
- }
+ // Store the index of the first cluster in the current ROC
+ if (firstClusterROC < 0) {
+ firstClusterROC = RecPoints()->GetEntriesFast() - 1;
+ }
- // Transform the local cluster coordinates into calibrated
- // space point positions defined in the local tracking system.
- // Here the calibration for T0, Vdrift and ExB is applied as well.
- Double_t clusterXYZ[6];
- clusterXYZ[0] = clusterPosCol;
- clusterXYZ[1] = clusterSignal[0];
- clusterXYZ[2] = clusterSignal[1];
- clusterXYZ[3] = clusterSignal[2];
- clusterXYZ[4] = 0.0;
- clusterXYZ[5] = 0.0;
- Int_t clusterRCT[3];
- clusterRCT[0] = row;
- clusterRCT[1] = col;
- clusterRCT[2] = 0;
-
- if (fTransform->Transform(clusterXYZ,clusterRCT,((UInt_t) time),0)) {
-
- // Add the cluster to the output array
- // The track indices will be stored later
- Float_t clusterPos[3];
- clusterPos[0] = clusterXYZ[0];
- clusterPos[1] = clusterXYZ[1];
- clusterPos[2] = clusterXYZ[2];
- Float_t clusterSig[2];
- clusterSig[0] = clusterXYZ[4];
- clusterSig[1] = clusterXYZ[5];
- Double_t clusterCharge = clusterXYZ[3];
- Char_t clusterTimeBin = ((Char_t) clusterRCT[2]);
- AliTRDcluster *cluster = new AliTRDcluster(idet
- ,clusterCharge
- ,clusterPos
- ,clusterSig
- ,0x0
- ,((Char_t) nPadCount)
- ,signals
- ,((UChar_t) col)
- ,((UChar_t) row)
- ,((UChar_t) time)
- ,clusterTimeBin
- ,clusterPosCol
- ,volid);
-
- // Temporarily store the row, column and time bin of the center pad
- // Used to later on assign the track indices
- cluster->SetLabel( row,0);
- cluster->SetLabel( col,1);
- cluster->SetLabel(time,2);
-
- RecPoints()->Add(cluster);
-
- // Store the index of the first cluster in the current ROC
- if (firstClusterROC < 0)
- {
- firstClusterROC = RecPoints()->GetEntriesFast() - 1;
- }
-
- // Count the number of cluster in the current ROC
- nClusterROC++;
-
- } // if: Transform ok ?
-
- } // if: Maximum found ?
+ // Count the number of cluster in the current ROC
+ nClusterROC++;
- }
+ } // if: Transform ok ?
+ } // if: Maximum found ?
+ }
delete digitsOut;
- if (fAddLabels)
- {
- AddLabels(idet, firstClusterROC, nClusterROC);
- }
+ if (fAddLabels) AddLabels(idet, firstClusterROC, nClusterROC);
// Write the cluster and reset the array
WriteClusters(idet);
for (Int_t iDict = 0; iDict < kNdict; iDict++) {
// tracksIn should be expanded beforehand!
- tracksIn = fDigitsManager->GetDictionary(idet,iDict);
+ tracksIn = (AliTRDdataArrayI *) fDigitsManager->GetDictionary(idet,iDict);
// Loop though the clusters found in this ROC
for (iClusterROC = 0; iClusterROC < nClusterROC; iClusterROC++) {
}
//_____________________________________________________________________________
-void AliTRDclusterizer::TailCancelation(AliTRDdataArrayI *digitsIn
+void AliTRDclusterizer::TailCancelation(AliTRDdataArrayDigits *digitsIn
, AliTRDdataArrayF *digitsOut
, AliTRDSignalIndex *indexesIn
, AliTRDSignalIndex *indexesOut
Int_t iCol = 0;
Int_t iTime = 0;
- AliTRDRecParam *recParam = AliTRDRecParam::Instance();
- if (!recParam)
- {
- AliError("No AliTRDRecParam instance available\n");
- return;
- }
-
Double_t *inADC = new Double_t[nTimeTotal]; // ADC data before tail cancellation
Double_t *outADC = new Double_t[nTimeTotal]; // ADC data after tail cancellation
indexesIn->ResetCounters();
Double_t gain = calGainFactorDetValue
* calGainFactorROCValue;
+ Bool_t corrupted = kFALSE;
for (iTime = 0; iTime < nTimeTotal; iTime++)
{
// Apply gain gain factor
inADC[iTime] = digitsIn->GetDataUnchecked(iRow,iCol,iTime);
+ if(digitsIn->GetPadStatus(iRow, iCol, iTime)) corrupted = kTRUE;
inADC[iTime] /= gain;
outADC[iTime] = inADC[iTime];
}
-
- // Apply the tail cancelation via the digital filter
- if (recParam->TCOn())
- {
- DeConvExp(inADC,outADC,nTimeTotal,recParam->GetTCnexp());
- }
+ if(!corrupted)
+ {
+ // Apply the tail cancelation via the digital filter
+ // (only for non-coorupted pads)
+ if (AliTRDReconstructor::RecoParam()->TCOn())
+ {
+ DeConvExp(inADC,outADC,nTimeTotal,AliTRDReconstructor::RecoParam()->GetTCnexp());
+ }
+ }
indexesIn->ResetTbinCounter();
while (indexesIn->NextTbinIndex(iTime))
return fRecPoints;
}
+
+//_____________________________________________________________________________
+void AliTRDclusterizer::FillLUT()
+{
+ //
+ // Create the LUT
+ //
+
+ const Int_t kNlut = 128;
+
+ fLUTbin = AliTRDgeometry::kNplan * kNlut;
+
+ // The lookup table from Bogdan
+ Float_t lut[AliTRDgeometry::kNplan][kNlut] = {
+ {
+ 0.0070, 0.0150, 0.0224, 0.0298, 0.0374, 0.0454, 0.0533, 0.0611,
+ 0.0684, 0.0755, 0.0827, 0.0900, 0.0975, 0.1049, 0.1120, 0.1187,
+ 0.1253, 0.1318, 0.1385, 0.1453, 0.1519, 0.1584, 0.1646, 0.1704,
+ 0.1762, 0.1821, 0.1879, 0.1938, 0.1996, 0.2053, 0.2108, 0.2160,
+ 0.2210, 0.2260, 0.2310, 0.2361, 0.2411, 0.2461, 0.2509, 0.2557,
+ 0.2602, 0.2646, 0.2689, 0.2732, 0.2774, 0.2816, 0.2859, 0.2901,
+ 0.2942, 0.2983, 0.3022, 0.3061, 0.3099, 0.3136, 0.3172, 0.3207,
+ 0.3242, 0.3278, 0.3312, 0.3347, 0.3382, 0.3416, 0.3450, 0.3483,
+ 0.3515, 0.3547, 0.3579, 0.3609, 0.3639, 0.3669, 0.3698, 0.3727,
+ 0.3756, 0.3785, 0.3813, 0.3842, 0.3870, 0.3898, 0.3926, 0.3952,
+ 0.3979, 0.4005, 0.4032, 0.4057, 0.4082, 0.4108, 0.4132, 0.4157,
+ 0.4181, 0.4205, 0.4228, 0.4252, 0.4275, 0.4299, 0.4322, 0.4345,
+ 0.4367, 0.4390, 0.4412, 0.4434, 0.4456, 0.4478, 0.4499, 0.4520,
+ 0.4541, 0.4562, 0.4583, 0.4603, 0.4623, 0.4643, 0.4663, 0.4683,
+ 0.4702, 0.4722, 0.4741, 0.4758, 0.4774, 0.4790, 0.4805, 0.4824,
+ 0.4844, 0.4863, 0.4883, 0.4902, 0.4921, 0.4940, 0.4959, 0.4978
+ },
+ {
+ 0.0072, 0.0156, 0.0235, 0.0313, 0.0394, 0.0478, 0.0561, 0.0642,
+ 0.0718, 0.0792, 0.0868, 0.0947, 0.1025, 0.1101, 0.1172, 0.1241,
+ 0.1309, 0.1378, 0.1449, 0.1518, 0.1586, 0.1650, 0.1710, 0.1770,
+ 0.1830, 0.1891, 0.1952, 0.2011, 0.2070, 0.2125, 0.2177, 0.2229,
+ 0.2280, 0.2332, 0.2383, 0.2435, 0.2484, 0.2533, 0.2581, 0.2627,
+ 0.2670, 0.2714, 0.2757, 0.2799, 0.2842, 0.2884, 0.2927, 0.2968,
+ 0.3008, 0.3048, 0.3086, 0.3123, 0.3159, 0.3195, 0.3231, 0.3266,
+ 0.3301, 0.3335, 0.3370, 0.3404, 0.3438, 0.3471, 0.3504, 0.3536,
+ 0.3567, 0.3598, 0.3628, 0.3657, 0.3686, 0.3715, 0.3744, 0.3772,
+ 0.3800, 0.3828, 0.3856, 0.3884, 0.3911, 0.3938, 0.3965, 0.3991,
+ 0.4016, 0.4042, 0.4067, 0.4092, 0.4116, 0.4140, 0.4164, 0.4187,
+ 0.4211, 0.4234, 0.4257, 0.4280, 0.4302, 0.4325, 0.4347, 0.4369,
+ 0.4391, 0.4413, 0.4434, 0.4456, 0.4477, 0.4497, 0.4518, 0.4538,
+ 0.4558, 0.4578, 0.4598, 0.4618, 0.4637, 0.4656, 0.4675, 0.4694,
+ 0.4713, 0.4732, 0.4750, 0.4766, 0.4781, 0.4797, 0.4813, 0.4832,
+ 0.4851, 0.4870, 0.4888, 0.4906, 0.4925, 0.4942, 0.4960, 0.4978
+ },
+ {
+ 0.0075, 0.0163, 0.0246, 0.0328, 0.0415, 0.0504, 0.0592, 0.0674,
+ 0.0753, 0.0832, 0.0914, 0.0996, 0.1077, 0.1154, 0.1225, 0.1296,
+ 0.1369, 0.1442, 0.1515, 0.1585, 0.1652, 0.1714, 0.1776, 0.1839,
+ 0.1902, 0.1965, 0.2025, 0.2085, 0.2141, 0.2194, 0.2247, 0.2299,
+ 0.2352, 0.2405, 0.2457, 0.2507, 0.2557, 0.2604, 0.2649, 0.2693,
+ 0.2737, 0.2780, 0.2823, 0.2867, 0.2909, 0.2951, 0.2992, 0.3033,
+ 0.3072, 0.3110, 0.3146, 0.3182, 0.3218, 0.3253, 0.3288, 0.3323,
+ 0.3357, 0.3392, 0.3426, 0.3459, 0.3492, 0.3524, 0.3555, 0.3586,
+ 0.3616, 0.3645, 0.3674, 0.3703, 0.3731, 0.3759, 0.3787, 0.3815,
+ 0.3843, 0.3870, 0.3897, 0.3925, 0.3950, 0.3976, 0.4002, 0.4027,
+ 0.4052, 0.4076, 0.4101, 0.4124, 0.4148, 0.4171, 0.4194, 0.4217,
+ 0.4239, 0.4262, 0.4284, 0.4306, 0.4328, 0.4350, 0.4371, 0.4393,
+ 0.4414, 0.4435, 0.4455, 0.4476, 0.4496, 0.4516, 0.4536, 0.4555,
+ 0.4575, 0.4594, 0.4613, 0.4632, 0.4650, 0.4669, 0.4687, 0.4705,
+ 0.4723, 0.4741, 0.4758, 0.4773, 0.4789, 0.4804, 0.4821, 0.4839,
+ 0.4857, 0.4875, 0.4893, 0.4910, 0.4928, 0.4945, 0.4961, 0.4978
+ },
+ {
+ 0.0078, 0.0171, 0.0258, 0.0345, 0.0438, 0.0532, 0.0624, 0.0708,
+ 0.0791, 0.0875, 0.0962, 0.1048, 0.1130, 0.1206, 0.1281, 0.1356,
+ 0.1432, 0.1508, 0.1582, 0.1651, 0.1716, 0.1780, 0.1845, 0.1910,
+ 0.1975, 0.2038, 0.2099, 0.2155, 0.2210, 0.2263, 0.2317, 0.2371,
+ 0.2425, 0.2477, 0.2528, 0.2578, 0.2626, 0.2671, 0.2715, 0.2759,
+ 0.2803, 0.2846, 0.2890, 0.2933, 0.2975, 0.3016, 0.3056, 0.3095,
+ 0.3132, 0.3168, 0.3204, 0.3239, 0.3274, 0.3309, 0.3344, 0.3378,
+ 0.3412, 0.3446, 0.3479, 0.3511, 0.3543, 0.3574, 0.3603, 0.3633,
+ 0.3662, 0.3690, 0.3718, 0.3747, 0.3774, 0.3802, 0.3829, 0.3857,
+ 0.3883, 0.3910, 0.3936, 0.3962, 0.3987, 0.4012, 0.4037, 0.4061,
+ 0.4085, 0.4109, 0.4132, 0.4155, 0.4177, 0.4200, 0.4222, 0.4244,
+ 0.4266, 0.4288, 0.4309, 0.4331, 0.4352, 0.4373, 0.4394, 0.4414,
+ 0.4435, 0.4455, 0.4475, 0.4494, 0.4514, 0.4533, 0.4552, 0.4571,
+ 0.4590, 0.4608, 0.4626, 0.4645, 0.4662, 0.4680, 0.4698, 0.4715,
+ 0.4733, 0.4750, 0.4766, 0.4781, 0.4796, 0.4812, 0.4829, 0.4846,
+ 0.4863, 0.4880, 0.4897, 0.4914, 0.4930, 0.4946, 0.4963, 0.4979
+ },
+ {
+ 0.0081, 0.0178, 0.0270, 0.0364, 0.0463, 0.0562, 0.0656, 0.0744,
+ 0.0831, 0.0921, 0.1013, 0.1102, 0.1183, 0.1261, 0.1339, 0.1419,
+ 0.1499, 0.1576, 0.1648, 0.1715, 0.1782, 0.1849, 0.1917, 0.1984,
+ 0.2048, 0.2110, 0.2167, 0.2223, 0.2278, 0.2333, 0.2389, 0.2444,
+ 0.2497, 0.2548, 0.2598, 0.2645, 0.2691, 0.2735, 0.2780, 0.2824,
+ 0.2868, 0.2912, 0.2955, 0.2997, 0.3038, 0.3078, 0.3116, 0.3152,
+ 0.3188, 0.3224, 0.3259, 0.3294, 0.3329, 0.3364, 0.3398, 0.3432,
+ 0.3465, 0.3497, 0.3529, 0.3561, 0.3591, 0.3620, 0.3649, 0.3677,
+ 0.3705, 0.3733, 0.3761, 0.3788, 0.3816, 0.3843, 0.3869, 0.3896,
+ 0.3922, 0.3948, 0.3973, 0.3998, 0.4022, 0.4047, 0.4070, 0.4094,
+ 0.4117, 0.4139, 0.4162, 0.4184, 0.4206, 0.4227, 0.4249, 0.4270,
+ 0.4291, 0.4313, 0.4334, 0.4354, 0.4375, 0.4395, 0.4415, 0.4435,
+ 0.4455, 0.4474, 0.4493, 0.4512, 0.4531, 0.4550, 0.4568, 0.4586,
+ 0.4604, 0.4622, 0.4639, 0.4657, 0.4674, 0.4691, 0.4708, 0.4725,
+ 0.4742, 0.4758, 0.4773, 0.4788, 0.4803, 0.4819, 0.4836, 0.4852,
+ 0.4869, 0.4885, 0.4901, 0.4917, 0.4933, 0.4948, 0.4964, 0.4979
+ },
+ {
+ 0.0085, 0.0189, 0.0288, 0.0389, 0.0497, 0.0603, 0.0699, 0.0792,
+ 0.0887, 0.0985, 0.1082, 0.1170, 0.1253, 0.1336, 0.1421, 0.1505,
+ 0.1587, 0.1662, 0.1733, 0.1803, 0.1874, 0.1945, 0.2014, 0.2081,
+ 0.2143, 0.2201, 0.2259, 0.2316, 0.2374, 0.2431, 0.2487, 0.2541,
+ 0.2593, 0.2642, 0.2689, 0.2735, 0.2781, 0.2826, 0.2872, 0.2917,
+ 0.2961, 0.3003, 0.3045, 0.3086, 0.3125, 0.3162, 0.3198, 0.3235,
+ 0.3270, 0.3306, 0.3342, 0.3377, 0.3411, 0.3446, 0.3479, 0.3511,
+ 0.3543, 0.3575, 0.3605, 0.3634, 0.3663, 0.3691, 0.3720, 0.3748,
+ 0.3775, 0.3803, 0.3830, 0.3857, 0.3884, 0.3911, 0.3937, 0.3962,
+ 0.3987, 0.4012, 0.4036, 0.4060, 0.4084, 0.4107, 0.4129, 0.4152,
+ 0.4174, 0.4196, 0.4218, 0.4239, 0.4261, 0.4282, 0.4303, 0.4324,
+ 0.4344, 0.4365, 0.4385, 0.4405, 0.4425, 0.4445, 0.4464, 0.4483,
+ 0.4502, 0.4521, 0.4539, 0.4558, 0.4576, 0.4593, 0.4611, 0.4629,
+ 0.4646, 0.4663, 0.4680, 0.4697, 0.4714, 0.4730, 0.4747, 0.4759,
+ 0.4769, 0.4780, 0.4790, 0.4800, 0.4811, 0.4827, 0.4843, 0.4859,
+ 0.4874, 0.4889, 0.4905, 0.4920, 0.4935, 0.4950, 0.4965, 0.4979
+ }
+ };
+
+ if (fLUT) {
+ delete [] fLUT;
+ }
+ fLUT = new Double_t[fLUTbin];
+
+ for (Int_t iplan = 0; iplan < AliTRDgeometry::kNplan; iplan++) {
+ for (Int_t ilut = 0; ilut < kNlut; ilut++ ) {
+ fLUT[iplan*kNlut+ilut] = lut[iplan][ilut];
+ }
+ }
+
+}
+
+//_____________________________________________________________________________
+Double_t AliTRDclusterizer::LUTposition(Int_t iplane, Double_t ampL
+ , Double_t ampC, Double_t ampR) const
+{
+ //
+ // Calculates the cluster position using the lookup table.
+ // Method provided by Bogdan Vulpescu.
+ //
+
+ const Int_t kNlut = 128;
+
+ Double_t pos;
+ Double_t x = 0.0;
+ Double_t xmin;
+ Double_t xmax;
+ Double_t xwid;
+
+ Int_t side = 0;
+ Int_t ix;
+
+ Double_t xMin[AliTRDgeometry::kNplan] = { 0.006492, 0.006377, 0.006258
+ , 0.006144, 0.006030, 0.005980 };
+ Double_t xMax[AliTRDgeometry::kNplan] = { 0.960351, 0.965870, 0.970445
+ , 0.974352, 0.977667, 0.996101 };
+
+ if (ampL > ampR) {
+ x = (ampL - ampR) / ampC;
+ side = -1;
+ }
+ else if (ampL < ampR) {
+ x = (ampR - ampL) / ampC;
+ side = +1;
+ }
+
+ if (ampL != ampR) {
+
+ xmin = xMin[iplane] + 0.000005;
+ xmax = xMax[iplane] - 0.000005;
+ xwid = (xmax - xmin) / 127.0;
+
+ if (x < xmin) {
+ pos = 0.0000;
+ }
+ else if (x > xmax) {
+ pos = side * 0.5000;
+ }
+ else {
+ ix = (Int_t) ((x - xmin) / xwid);
+ pos = side * fLUT[iplane*kNlut+ix];
+ }
+
+ }
+ else {
+
+ pos = 0.0;
+
+ }
+
+ return pos;
+
+}