#include "AliLog.h"
#include "AliRawReader.h"
+#include "AliTRDcalibDB.h"
#include "AliTRDdigitsManager.h"
#include "AliTRDdigitsParam.h"
+#include "AliTRDcalibDB.h"
+#include "AliTRDmcmSim.h"
#include "AliTRDtrapConfig.h"
#include "AliTRDarrayADC.h"
#include "AliTRDarrayDictionary.h"
#include "AliTRDSignalIndex.h"
#include "AliTRDtrackletWord.h"
+#include "AliTRDtrackletMCM.h"
#include "AliESDTrdTrack.h"
#include "AliTreeLoader.h"
#include "AliLoader.h"
const Int_t AliTRDrawStream::fgkNtriggers = 12;
const UInt_t AliTRDrawStream::fgkDataEndmarker = 0x00000000;
const UInt_t AliTRDrawStream::fgkTrackletEndmarker = 0x10001000;
+const UInt_t AliTRDrawStream::fgkStackEndmarker[] = { 0xe0d01000, 0xe0d10000 };
const char* AliTRDrawStream::fgkErrorMessages[] = {
"Unknown error",
"Link monitor active",
- "Pretrigger counter mismatch",
+ "Event counter mismatch",
"not a TRD equipment (1024-1041)",
"Invalid Stack header",
"Invalid detector number",
"Missing ADC data",
"Missing expected ADC channels",
"Missing MCM headers",
- "Missing TP data"
+ "Missing TP data",
+ "CRC mismatch"
};
Int_t AliTRDrawStream::fgErrorDebugLevel[] = {
0,
1,
1,
- 1,
+ 0,
1,
2,
1,
1,
1,
1,
+ 0,
0
};
AliTRDrawStream::kTolerate,
AliTRDrawStream::kTolerate,
AliTRDrawStream::kTolerate,
+ AliTRDrawStream::kTolerate,
AliTRDrawStream::kTolerate
};
fCurrTrgHeaderAvail(0),
fCurrTrgHeaderReadout(0),
fCurrTrkHeaderAvail(0),
+ fCurrStackEndmarkerAvail(0),
fCurrEvType(0),
fCurrTriggerEnable(0),
fCurrTriggerFired(0),
fCurrLinkMonitorFlags(0x0),
fCurrLinkDataTypeFlags(0x0),
fCurrLinkDebugFlags(0x0),
+ fCurrMatchFlagsSRAM(0),
+ fCurrMatchFlagsPostBP(0),
+ fCurrChecksumStack(),
+ fCurrChecksumSIU(0),
fCurrSpecial(-1),
fCurrMajor(-1),
fCurrMinor(-1),
if ((fCurrLinkMask[fCurrSlot] & (1 << fCurrLink)) == 0)
continue;
+ Int_t size = 0;
+
fErrorFlags = 0;
// check for link monitor error flag
if (fCurrLinkMonitorFlags[fCurrSlot*fgkNlinks + fCurrLink] != 0) {
LinkError(kLinkMonitor);
if (fgErrorBehav[kLinkMonitor] == kTolerate)
- ReadLinkData();
+ size += ReadLinkData();
}
else
// read the data from one HC
- ReadLinkData();
+ size += ReadLinkData();
// read all data endmarkers
- SeekNextLink();
+ size += SeekNextLink();
}
+
+ // continue with next stack
+ SeekNextStack();
}
}
while ((fCurrSlot < fgkNstacks) &&
(((fCurrStackMask & (1 << fCurrSlot)) == 0) ||
((fCurrLinkMask[fCurrSlot] & (1 << fCurrLink))) == 0)) {
+ if ((fCurrStackMask & (1 << fCurrSlot)) == 0) {
+ ++fCurrSlot;
+ fCurrSlot = 0;
+ continue;
+ }
fCurrLink++;
if (fCurrLink >= fgkNlinks) {
+ SeekNextStack();
fCurrLink = 0;
fCurrSlot++;
}
}
}
- //??? to check
do {
- fCurrLink++;
- if (fCurrLink >= fgkNlinks) {
+ if ((fCurrStackMask & (1 << fCurrSlot)) == 0) {
fCurrLink = 0;
fCurrSlot++;
}
+ else {
+ fCurrLink++;
+ if (fCurrLink >= fgkNlinks) {
+ SeekNextStack();
+ fCurrLink = 0;
+ fCurrSlot++;
+ }
+ }
} while ((fCurrSlot < fgkNstacks) &&
(((fCurrStackMask & (1 << fCurrSlot)) == 0) ||
((fCurrLinkMask[fCurrSlot] & (1 << fCurrLink))) == 0));
fCurrTrackletEnable = ((*fPayloadCurr) >> 5) & 0x1;
fCurrStackMask = ((*fPayloadCurr) ) & 0x1f;
fCurrHwRev = (fPayloadCurr[1] >> 12) & 0xffff;
+ fCurrStackEndmarkerAvail = 0;
switch (fCurrSmHeaderVersion) {
case 0xb:
fCurrTrgFlags[fCurrEquipmentId-kDDLOffset] = fCurrTriggerFired;
break;
+ case 0xd:
+ fCurrTrailerReadout = ((*fPayloadCurr) >> 10) & 0x1;
+ fCurrTrgHeaderAvail = 1;
+ fCurrTrgHeaderReadout = ((*fPayloadCurr) >> 9) & 0x1;
+ fCurrEvType = ((*fPayloadCurr) >> 7) & 0x3;
+ fCurrTrkHeaderAvail = fCurrTrackEnable;
+ fCurrTriggerEnable = (fPayloadCurr[2] >> 8) & 0xfff;
+ fCurrTriggerFired = (fPayloadCurr[2] >> 20) & 0xfff;
+ fCurrTrgFlags[fCurrEquipmentId-kDDLOffset] = fCurrTriggerFired;
+ fCurrStackEndmarkerAvail = 1;
+ break;
+
default:
AliError(Form("unknown SM header version: 0x%x", fCurrSmHeaderVersion));
}
trk->SetFlags(0);
trk->SetReserved(0);
+ trk->SetLabel(-3);
Float_t pt = (((Int_t) (trackWord & 0xffff) ^ 0x8000) - 0x8000)/128.;
if (TMath::Abs(pt) > 0.1) {
trk->SetFlags(0);
trk->SetReserved(0);
+ trk->SetLabel(-3);
Float_t pt = (((Int_t) (trackWord & 0xffff) ^ 0x8000) - 0x8000)/128.;
if (TMath::Abs(pt) > 0.1) {
- trk->SetA((Int_t) (0.15*51625./100./pt / 160e-4 * 2));
+ trk->SetA((Int_t) (-0.15*51625./100./pt / 160e-4 * 2));
}
}
}
if ((idx == 0) &&
((fPayloadCurr[iWord] & 0xfffff0f0) == 0x13370000)) {
fastWord = fPayloadCurr[iWord];
+ if (fastWord & (1 << 13))
+ fCurrTrgFlags[sector] |= 1 << (stack+11);
AliDebug(1, Form("stack %i: fast trigger word: 0x%08x", stack, fastWord));
continue;
}
trk->SetFlags(0);
trk->SetReserved(0);
+ trk->SetLabel(-3);
Float_t pt = (((Int_t) (trackWord & 0xffff) ^ 0x8000) - 0x8000)/128.;
if (TMath::Abs(pt) > 0.1) {
trk->SetFlags(0);
trk->SetReserved(0);
+ trk->SetLabel(-3);
Float_t pt = (((Int_t) (trackWord & 0xffff) ^ 0x8000) - 0x8000)/128.;
if (TMath::Abs(pt) > 0.1) {
trk->SetFlags(0);
trk->SetReserved(0);
+ trk->SetLabel(-3);
Float_t pt = (((Int_t) (trackWord & 0xffff) ^ 0x8000) - 0x8000)/128.;
if (TMath::Abs(pt) > 0.1) {
trk->SetC( (((trackWord >> 8) & 0xffff) ^ 0x8000) - 0x8000);
trk->SetPID((trackWord >> 0) & 0xff);
trk->SetStack(stack);
+ trk->SetLabel(-3);
// now compare the track word with the one generated from the ESD information
if (trackWord != trk->GetTrackWord(0)) {
AliDebug(1, DumpRaw(Form("stack %i header", stack), fPayloadCurr, fCurrStackHeaderSize[stack]));
if (fPayloadCurr - fPayloadStart >= fPayloadSize - (Int_t) fCurrStackHeaderSize[stack]) {
- LinkError(kStackHeaderInvalid, "Stack index header aborted");
+ EquipmentError(kStackHeaderInvalid, "Stack index header %i incomplete", stack);
+ // dumping stack header
+ AliError(DumpRaw(Form("stack %i header", stack), fPayloadCurr, fCurrStackHeaderSize[stack]));
+
return -1;
}
Int_t trailerSize = (trailerIndexWord >> 16) & 0xffff;
AliDebug(2, DumpRaw("GTU trailer", trailer, trailerSize+1));
// parse the trailer
+ if (trailerSize >= 4) {
+ // match flags from GTU
+ fCurrMatchFlagsSRAM = (trailer[1] >> 0) & 0x1f;
+ fCurrMatchFlagsPostBP = (trailer[1] >> 5) & 0x1f;
+ // individual checksums
+ fCurrChecksumStack[0] = (trailer[1] >> 16) & 0xffff;
+ fCurrChecksumStack[1] = (trailer[2] >> 0) & 0xffff;
+ fCurrChecksumStack[2] = (trailer[2] >> 16) & 0xffff;
+ fCurrChecksumStack[3] = (trailer[3] >> 0) & 0xffff;
+ fCurrChecksumStack[4] = (trailer[3] >> 16) & 0xffff;
+ fCurrChecksumSIU = trailer[4];
+
+ if ((fCurrMatchFlagsSRAM & fCurrStackMask) != fCurrStackMask)
+ EquipmentError(kCRCmismatch, "CRC mismatch SRAM: 0x%02x", fCurrMatchFlagsSRAM);
+ if ((fCurrMatchFlagsPostBP & fCurrStackMask) != fCurrStackMask)
+ EquipmentError(kCRCmismatch, "CRC mismatch BP: 0x%02x", fCurrMatchFlagsPostBP);
+
+ }
+ else {
+ LinkError(kUnknown, "Invalid GTU trailer");
+ }
}
else
EquipmentError(kUnknown, "trailer index marker mismatch");
if (fMarkers)
new ((*fMarkers)[fMarkers->GetEntriesFast()])
- AliTRDrawStreamError(-kHCactive, fCurrEquipmentId-kDDLOffset, fCurrStack, fCurrLink);
+ AliTRDrawStreamError(-kHCactive, fCurrEquipmentId-kDDLOffset, fCurrSlot, fCurrLink);
if (fErrorFlags & kDiscardHC)
return count;
- //??? add check whether tracklets are enabled
- count += ReadTracklets();
- if (fErrorFlags & kDiscardHC)
- return count;
+ if (fCurrTrackletEnable) {
+ count += ReadTracklets();
+ if (fErrorFlags & kDiscardHC)
+ return count;
+ }
AliDebug(1, DumpRaw("HC header", fPayloadCurr, 4, 0x00000000));
count += ReadHcHeader();
count += fPayloadCurr - startPos;
// feeding TRAP config
- AliTRDtrapConfig *trapcfg = AliTRDtrapConfig::Instance();
- trapcfg->ReadPackedConfig(fCurrHC, startPos, fPayloadCurr - startPos);
+ AliTRDtrapConfig *trapcfg = AliTRDcalibDB::Instance()->GetTrapConfig();
+ AliTRDmcmSim::ReadPackedConfig(trapcfg, fCurrHC, startPos, fPayloadCurr - startPos);
}
else {
Int_t tpmode = fCurrMajor & 0x7;
AliDebug(1, Form("Checking testpattern (mode %i) data", tpmode));
- ReadTPData(tpmode);
+ count += ReadTPData(tpmode);
}
}
else {
UInt_t *start = fPayloadCurr;
while (*(fPayloadCurr) != fgkTrackletEndmarker &&
- fPayloadCurr - fPayloadStart < fPayloadSize) {
+ *(fPayloadCurr) != fgkStackEndmarker[0] &&
+ *(fPayloadCurr) != fgkStackEndmarker[1] &&
+ fPayloadCurr - fPayloadStart < (fPayloadSize - 1)) {
new ((*fTrackletArray)[fTrackletArray->GetEntriesFast()]) AliTRDtrackletWord(*(fPayloadCurr), fCurrHC);
fPayloadCurr++;
AliDebug(1, Form("HC header: 0x%08x", *fPayloadCurr));
UInt_t *start = fPayloadCurr;
// check not to be at the data endmarker
- if (*fPayloadCurr == fgkDataEndmarker)
+ if (*fPayloadCurr == fgkDataEndmarker ||
+ *(fPayloadCurr) == fgkStackEndmarker[0] ||
+ *(fPayloadCurr) == fgkStackEndmarker[1]) {
+ LinkError(kHCmismatch, "found endmarker where HC header should be");
return 0;
+ }
fCurrSpecial = (*fPayloadCurr >> 31) & 0x1;
fCurrMajor = (*fPayloadCurr >> 24) & 0x7f;
// evcnt checking missing
Int_t cpu = 0;
Int_t cpufromchannel[] = {0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3};
+ Int_t evno = -1;
Int_t evcnt = 0;
Int_t count = 0;
Int_t mcmcount = -1;
mcmcount++;
// ----- checking for proper readout order - ROB -----
+ fCurrRobPos = ROB(*fPayloadCurr);
if (GetROBReadoutPos(ROB(*fPayloadCurr) / 2) >= lastrobpos) {
+ if (GetROBReadoutPos(ROB(*fPayloadCurr) / 2) > lastrobpos)
+ lastmcmpos = -1;
lastrobpos = GetROBReadoutPos(ROB(*fPayloadCurr) / 2);
}
else {
ROBError(kPosUnexp, Form("#%i after #%i in readout order", GetROBReadoutPos(ROB(*fPayloadCurr) / 2), lastrobpos));
}
- fCurrRobPos = ROB(*fPayloadCurr);
// ----- checking for proper readout order - MCM -----
- if (GetMCMReadoutPos(MCM(*fPayloadCurr)) >= (lastmcmpos + 1) % 16) {
+ fCurrMcmPos = MCM(*fPayloadCurr);
+ if (GetMCMReadoutPos(MCM(*fPayloadCurr)) > lastmcmpos) {
lastmcmpos = GetMCMReadoutPos(MCM(*fPayloadCurr));
}
else {
MCMError(kPosUnexp, Form("#%i after #%i in readout order", GetMCMReadoutPos(MCM(*fPayloadCurr)), lastmcmpos));
}
- fCurrMcmPos = MCM(*fPayloadCurr);
+ if (EvNo(*fPayloadCurr) != (evno & 0xfffff)) {
+ if (evno == -1) {
+ evno = EvNo(*fPayloadCurr);
+ }
+ else {
+ MCMError(kEvCntMismatch, "%i <-> %i", evno, EvNo(*fPayloadCurr));
+ }
+ }
fPayloadCurr++;
if (diff != 0) {
MCMError(kTPmismatch,
- "Seen 0x%08x, expected 0x%08x, diff: 0x%08x (0x%02x) - word %2i (cpu %i, ch %i)",
- *fPayloadCurr, expword, diff, 0xff & (diff | diff >> 8 | diff >> 16 | diff >> 24),
+ "Seen 0x%08x, expected 0x%08x, diff: 0x%08x, 0x%04x, 0x%02x - word %2i (cpu %i, ch %i)",
+ *fPayloadCurr, expword, diff,
+ 0xffff & (diff | diff >> 16),
+ 0xff & (diff | diff >> 8 | diff >> 16 | diff >> 24),
wordcount, cpu, channelcount);;
}
fPayloadCurr++;
count++;
wordcount++;
+ if (*fPayloadCurr == fgkDataEndmarker)
+ return (fPayloadCurr - start);
}
channelcount++;
}
timebins = fNtimebins;
while (*(fPayloadCurr) != fgkDataEndmarker &&
+ *(fPayloadCurr) != fgkStackEndmarker[0] &&
+ *(fPayloadCurr) != fgkStackEndmarker[1] &&
fPayloadCurr - fPayloadStart < fPayloadSize) {
// ----- Checking MCM Header -----
UInt_t *startPosMCM = fPayloadCurr;
// ----- checking for proper readout order - ROB -----
+ fCurrRobPos = ROB(*fPayloadCurr);
if (GetROBReadoutPos(ROB(*fPayloadCurr) / 2) >= lastrobpos) {
if (GetROBReadoutPos(ROB(*fPayloadCurr) / 2) > lastrobpos)
lastmcmpos = -1;
ROBError(kPosUnexp, Form("#%i after #%i and #%i in readout order",
GetROBReadoutPos(ROB(*fPayloadCurr) / 2), lastrobpos, GetROBReadoutPos(fCurrRobPos)));
}
- fCurrRobPos = ROB(*fPayloadCurr);
// ----- checking for proper readout order - MCM -----
+ fCurrMcmPos = MCM(*fPayloadCurr);
if (GetMCMReadoutPos(MCM(*fPayloadCurr)) > lastmcmpos) {
lastmcmpos = GetMCMReadoutPos(MCM(*fPayloadCurr));
}
MCMError(kPosUnexp, Form("#%i after #%i and #%i in readout order",
GetMCMReadoutPos(MCM(*fPayloadCurr)), lastmcmpos, GetMCMReadoutPos(fCurrMcmPos)));
}
- fCurrMcmPos = MCM(*fPayloadCurr);
- if (EvNo(*fPayloadCurr) != evno) {
- if (evno == -1)
+ if (EvNo(*fPayloadCurr) != (evno & 0xfffff)) {
+ if (evno == -1) {
evno = EvNo(*fPayloadCurr);
+ }
else {
- MCMError(kPtrgCntMismatch, "%i <-> %i", evno, EvNo(*fPayloadCurr));
+ MCMError(kEvCntMismatch, "%i <-> %i", evno, EvNo(*fPayloadCurr));
}
}
Int_t adccoloff = AdcColOffset(*fPayloadCurr);
Int_t row = Row(*fPayloadCurr);
fPayloadCurr++;
+ if ((row > 11) && (fCurrStack == 2)) {
+ MCMError(kUnknown, "Data in padrow > 11 for stack 2");
+ }
+
+ if (fErrorFlags & (kDiscardMCM | kDiscardHC | kDiscardDDL))
+ break; //???
+
// ----- Reading ADC channels -----
AliDebug(2, DumpAdcMask("ADC mask: ", *fPayloadCurr));
AliDebug(2, Form("MCM header: 0x%08x", *fPayloadCurr));
// ----- checking for proper readout order - ROB -----
+ fCurrRobPos = ROB(*fPayloadCurr);
if (GetROBReadoutPos(ROB(*fPayloadCurr) / 2) >= lastrobpos) {
+ if (GetROBReadoutPos(ROB(*fPayloadCurr) / 2) > lastrobpos)
+ lastmcmpos = -1;
lastrobpos = GetROBReadoutPos(ROB(*fPayloadCurr) / 2);
}
else {
ROBError(kPosUnexp, Form("#%i after #%i in readout order", GetROBReadoutPos(ROB(*fPayloadCurr) / 2), lastrobpos));
}
- fCurrRobPos = ROB(*fPayloadCurr);
// ----- checking for proper readout order - MCM -----
- if (GetMCMReadoutPos(MCM(*fPayloadCurr)) >= (lastmcmpos + 1) % 16) {
+ fCurrMcmPos = MCM(*fPayloadCurr);
+ if (GetMCMReadoutPos(MCM(*fPayloadCurr)) > lastmcmpos) {
lastmcmpos = GetMCMReadoutPos(MCM(*fPayloadCurr));
}
else {
MCMError(kPosUnexp, Form("#%i after #%i in readout order", GetMCMReadoutPos(MCM(*fPayloadCurr)), lastmcmpos));
}
- fCurrMcmPos = MCM(*fPayloadCurr);
- if (EvNo(*fPayloadCurr) != evno) {
- if (evno == -1)
+ if (EvNo(*fPayloadCurr) != (evno & 0xfffff)) {
+ if (evno == -1) {
evno = EvNo(*fPayloadCurr);
+ }
else {
- MCMError(kPtrgCntMismatch, "%i <-> %i", evno, EvNo(*fPayloadCurr));
+ MCMError(kEvCntMismatch, "%i <-> %i", evno, EvNo(*fPayloadCurr));
}
}
return (fPayloadCurr - start);
}
+Int_t AliTRDrawStream::SeekNextStack()
+{
+ // proceed in raw data stream till the next stack
+
+ if (!fCurrStackEndmarkerAvail)
+ return 0;
+
+ UInt_t *start = fPayloadCurr;
+
+ // read until data endmarkers
+ while ((fPayloadCurr - fPayloadStart < fPayloadSize-1) &&
+ ((fPayloadCurr[0] != fgkStackEndmarker[0]) ||
+ (fPayloadCurr[1] != fgkStackEndmarker[1])))
+ fPayloadCurr++;
+
+ if ((fPayloadCurr - start) != 0)
+ StackError(kUnknown, "skipped %i words to reach stack endmarker", fPayloadCurr - start);
+
+ AliDebug(2, Form("stack endmarker: 0x%08x 0x%08x", fPayloadCurr[0], fPayloadCurr[1]));
+
+ // goto next stack
+ fPayloadCurr++;
+ fPayloadCurr++;
+
+ return (fPayloadCurr-start);
+}
+
Int_t AliTRDrawStream::SeekNextLink()
{
// proceed in raw data stream till the next link
// read until data endmarkers
while (fPayloadCurr - fPayloadStart < fPayloadSize &&
+ ((fPayloadCurr[0] != fgkStackEndmarker[0]) ||
+ (fPayloadCurr[1] != fgkStackEndmarker[1])) &&
*fPayloadCurr != fgkDataEndmarker)
fPayloadCurr++;
return kFALSE;
}
-TString AliTRDrawStream::DumpRaw(TString title, UInt_t *start, Int_t length, UInt_t endmarker)
+TString AliTRDrawStream::DumpRaw(TString title, const UInt_t *start, Int_t length, UInt_t endmarker)
{
// dump raw data
// ctor
}
+
+void AliTRDrawStream::SortTracklets(TClonesArray *trklArray, TList &sortedTracklets, Int_t *indices)
+{
+ // sort tracklets for referencing from GTU tracks
+
+ if (!trklArray)
+ return;
+
+ Int_t nTracklets = trklArray->GetEntriesFast();
+
+ Int_t lastHC = -1;
+ for (Int_t iTracklet = 0; iTracklet < nTracklets; iTracklet++) {
+ AliTRDtrackletBase *trkl = (AliTRDtrackletBase*) ((*trklArray)[iTracklet]);
+ Int_t hc = trkl->GetHCId();
+ if ((hc < 0) || (hc >= 1080)) {
+ AliErrorClass(Form("HC for tracklet: 0x%08x out of range: %i", trkl->GetTrackletWord(), trkl->GetHCId()));
+ continue;
+ }
+ AliDebugClass(5, Form("hc: %4i : 0x%08x z: %2i", hc, trkl->GetTrackletWord(), trkl->GetZbin()));
+ if (hc != lastHC) {
+ AliDebugClass(2, Form("set tracklet index for HC %i to %i", hc, iTracklet));
+ indices[hc] = iTracklet + 1;
+ lastHC = hc;
+ }
+ }
+
+ for (Int_t iDet = 0; iDet < 540; iDet++) {
+ Int_t trklIndexA = indices[2*iDet + 0] - 1;
+ Int_t trklIndexB = indices[2*iDet + 1] - 1;
+ Int_t trklIndex = sortedTracklets.GetEntries();
+ AliTRDtrackletBase *trklA = trklIndexA > -1 ? (AliTRDtrackletBase*) ((*trklArray)[trklIndexA]) : 0x0;
+ AliTRDtrackletBase *trklB = trklIndexB > -1 ? (AliTRDtrackletBase*) ((*trklArray)[trklIndexB]) : 0x0;
+ AliTRDtrackletBase *trklNext = 0x0;
+ while (trklA != 0x0 || trklB != 0x0) {
+ AliDebugClass(5, Form("det %i - A: %i/%i -> %p, B: %i/%i -> %p",
+ iDet, trklIndexA, nTracklets, trklA, trklIndexB, nTracklets, trklB));
+ if (trklA == 0x0) {
+ trklNext = trklB;
+ trklIndexB++;
+ trklB = trklIndexB < nTracklets ? (AliTRDtrackletBase*) ((*trklArray)[trklIndexB]) : 0x0;
+ if (trklB && trklB->GetHCId() != 2*iDet + 1)
+ trklB = 0x0;
+ }
+ else if (trklB == 0x0) {
+ trklNext = trklA;
+ trklIndexA++;
+ trklA = trklIndexA < nTracklets ? (AliTRDtrackletBase*) ((*trklArray)[trklIndexA]) : 0x0;
+ if (trklA && trklA->GetHCId() != 2*iDet)
+ trklA = 0x0;
+ }
+ else {
+ if (trklA->GetZbin() <= trklB->GetZbin()) {
+ trklNext = trklA;
+ trklIndexA++;
+ trklA = trklIndexA < nTracklets ? (AliTRDtrackletBase*) ((*trklArray)[trklIndexA]) : 0x0;
+ if (trklA && trklA->GetHCId() != 2*iDet)
+ trklA = 0x0;
+ }
+ else {
+ trklNext = trklB;
+ trklIndexB++;
+ trklB = trklIndexB < nTracklets ? (AliTRDtrackletBase*) ((*trklArray)[trklIndexB]) : 0x0;
+ if (trklB && trklB->GetHCId() != 2*iDet + 1)
+ trklB = 0x0;
+ }
+ }
+ if (trklNext) {
+ sortedTracklets.Add(trklNext);
+
+ }
+ }
+
+ // updating tracklet indices as in output
+ if (sortedTracklets.GetEntries() != trklIndex) {
+ indices[2*iDet + 0] = trklIndex;
+ indices[2*iDet + 1] = sortedTracklets.GetEntries();
+ } else {
+ indices[2*iDet + 0] = indices[2*iDet + 1] = -1;
+ }
+ }
+}
+
+void AliTRDrawStream::AssignTracklets(AliESDTrdTrack *trdTrack, Int_t *trackletIndex, Int_t refIndex[6])
+{
+ UInt_t mask = trdTrack->GetLayerMask();
+ UInt_t stack = trdTrack->GetStack();
+
+ for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
+ refIndex[iLayer] = -1;
+
+ if (mask & (1 << iLayer)) {
+
+ Int_t det = trdTrack->GetSector()*30 + stack*6 + iLayer;
+ Int_t idx = trdTrack->GetTrackletIndex(iLayer);
+
+ if ((det < 0) || (det > 539)) {
+ AliErrorClass(Form("Invalid detector no. from track: %i", 2*det));
+ continue;
+ }
+ if (trackletIndex[2*det] >= 0) {
+ if ((trackletIndex[2*det] + idx > -1) &&
+ (trackletIndex[2*det] + idx < trackletIndex[2*det+1])) {
+ refIndex[iLayer] = trackletIndex[2*det] + idx;
+ } else {
+ AliErrorClass(Form("Requested tracklet index %i out of range", idx));
+ }
+ } else {
+ AliErrorClass(Form("Non-existing tracklets requested in det %i", det));
+ }
+ }
+ }
+}