+ // ----- filling tracklets -----
+ Int_t trackletIndex[1080] = { 0 };
+ AliDebug(1, Form("Filling tracklets from %p (%i)",
+ fgTracklets, fgTracklets ? fgTracklets->GetEntriesFast() : 0));
+ if (fgTracklets) {
+ Int_t nTracklets = fgTracklets->GetEntriesFast();
+
+ Int_t lastHC = -1;
+ for (Int_t iTracklet = 0; iTracklet < nTracklets; iTracklet++) {
+ AliTRDtrackletBase *trkl = (AliTRDtrackletBase*) ((*fgTracklets)[iTracklet]);
+ Int_t hc = trkl->GetHCId();
+ // hc += trkl->GetY() > 0 ? 1 : 0;
+ if ((hc < 0) || (hc >= 1080)) {
+ AliError(Form("HC for tracklet: 0x%08x out of range: %i", trkl->GetTrackletWord(), trkl->GetHCId()));
+ continue;
+ }
+ AliDebug(5, Form("hc: %4i : 0x%08x z: %2i", hc, trkl->GetTrackletWord(), trkl->GetZbin()));
+ if (hc != lastHC) {
+ AliDebug(2, Form("set tracklet index for HC %i to %i", hc, iTracklet));
+ trackletIndex[hc] = iTracklet + 1;
+ lastHC = hc;
+ }
+ }
+
+ for (Int_t iDet = 0; iDet < 540; iDet++) {
+ Int_t trklIndexA = trackletIndex[2*iDet + 0] - 1;
+ Int_t trklIndexB = trackletIndex[2*iDet + 1] - 1;
+ Int_t trklIndex = esd->GetNumberOfTrdTracklets();
+ AliTRDtrackletBase *trklA = trklIndexA > -1 ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexA]) : 0x0;
+ AliTRDtrackletBase *trklB = trklIndexB > -1 ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexB]) : 0x0;
+ while (trklA != 0x0 || trklB != 0x0) {
+ AliDebug(5, Form("det %i - A: %i/%i -> %p, B: %i/%i -> %p",
+ iDet, trklIndexA, nTracklets, trklA, trklIndexB, nTracklets, trklB));
+ if (trklA == 0x0) {
+ AliESDTrdTracklet esdTracklet(trklB->GetTrackletWord(), trklB->GetHCId());
+ esd->AddTrdTracklet(&esdTracklet);
+ trklIndexB++;
+ trklB = trklIndexB < nTracklets ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexB]) : 0x0;
+ if (trklB && trklB->GetHCId() != 2*iDet + 1)
+ trklB = 0x0;
+ }
+ else if (trklB == 0x0) {
+ AliESDTrdTracklet esdTracklet(trklA->GetTrackletWord(), trklA->GetHCId());
+ esd->AddTrdTracklet(&esdTracklet);
+ trklIndexA++;
+ trklA = trklIndexA < nTracklets ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexA]) : 0x0;
+ if (trklA && trklA->GetHCId() != 2*iDet)
+ trklA = 0x0;
+ }
+ else {
+ if ((trklA->GetZbin() < trklB->GetZbin()) ||
+ ((trklA->GetZbin() == trklB->GetZbin()) && (trklA->GetYbin() < trklB->GetYbin()))) {
+ AliESDTrdTracklet esdTracklet(trklA->GetTrackletWord(), trklA->GetHCId());
+ esd->AddTrdTracklet(&esdTracklet);
+ trklIndexA++;
+ trklA = trklIndexA < nTracklets ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexA]) : 0x0;
+ if (trklA && trklA->GetHCId() != 2*iDet)
+ trklA = 0x0;
+ }
+ else {
+ AliESDTrdTracklet esdTracklet(trklB->GetTrackletWord(), trklB->GetHCId());
+ esd->AddTrdTracklet(&esdTracklet);
+ trklIndexB++;
+ trklB = trklIndexB < nTracklets ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexB]) : 0x0;
+ if (trklB && trklB->GetHCId() != 2*iDet + 1)
+ trklB = 0x0;
+ }
+ }
+ }
+ // updating tracklet indices as in ESD
+ if (esd->GetNumberOfTrdTracklets() != trklIndex) {
+ trackletIndex[2*iDet + 0] = trackletIndex[2*iDet + 1] = trklIndex;
+ }
+ else
+ trackletIndex[2*iDet + 0] = trackletIndex[2*iDet + 1] = -1;
+ }
+ }
+
+ // ----- filling GTU tracks -----
+ AliDebug(1, Form("Now filling ESD with GTU tracks from %p (%i)",
+ fgTracks, fgTracks ? fgTracks->GetEntriesFast() : 0));
+ if (fgTracks) {
+ for (Int_t iTrack = 0; iTrack < fgTracks->GetEntriesFast(); iTrack++) {
+ AliESDTrdTrack *trdTrack = (AliESDTrdTrack*) ((*fgTracks)[iTrack]);
+
+ UInt_t mask = trdTrack->GetLayerMask();
+ UInt_t stack = trdTrack->GetStack();
+
+ for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
+ if (mask & (1 << iLayer)) {
+
+ Int_t det = trdTrack->GetSector()*30 + stack*6 + iLayer;
+ Int_t idx = trdTrack->GetTrackletIndex(iLayer);
+
+ if ((det < 0) || (det > 539)) {
+ AliError(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 < esd->GetNumberOfTrdTracklets())) {
+ AliESDTrdTracklet *trkl = esd->GetTrdTracklet(trackletIndex[2*det] + idx);
+ if (trkl) {
+ AliDebug(5, Form("adding tracklet: 0x%08x", trkl->GetTrackletWord()));
+ trdTrack->AddTrackletReference(trkl, iLayer);
+ }
+ }
+ }
+ }
+ }
+ // only add the track when it's complete (including tracklet references)
+ esd->AddTrdTrack(trdTrack);
+ }
+ }
+
+ esd->SetTrdTrigger(&fgTriggerFlags);