#include "AliMUONVTriggerStore.h"
#include "AliMUONVTriggerTrackStore.h"
#include "AliMUONRecoParam.h"
+#include "AliMUONGeometryTransformer.h"
+#include "AliMUONVDigit.h"
#include "AliMpDEManager.h"
#include "AliMpArea.h"
#include "AliMpVSegmentation.h"
#include "AliMpSegmentation.h"
#include "AliMpPad.h"
+#include "AliMpDetElement.h"
+#include "AliMpCathodType.h"
#include "AliLog.h"
#include "AliCodeTimer.h"
#include <Riostream.h>
+using std::cout;
+using std::endl;
/// \cond CLASSIMP
ClassImp(AliMUONVTrackReconstructor) // Class implementation in ROOT context
/// \endcond
//__________________________________________________________________________
AliMUONVTrackReconstructor::AliMUONVTrackReconstructor(const AliMUONRecoParam* recoParam,
- AliMUONVClusterServer* clusterServer)
+ AliMUONVClusterServer* clusterServer,
+ const AliMUONGeometryTransformer* transformer)
: TObject(),
fRecTracksPtr(0x0),
fNRecTracks(0),
fClusterServer(clusterServer),
fkRecoParam(recoParam),
+fkTransformer(transformer),
fMaxMCSAngle2(0x0)
{
/// Constructor for class AliMUONVTrackReconstructor
Finalize();
if (!GetRecoParam()->RemoveConnectedTracksInSt12()) TagConnectedTracks(0, 1, kTRUE);
+ // Make sure there is no bad track left
+ RemoveBadTracks();
+
+ // Refit the reconstructed tracks with a different resolution for mono-cathod clusters
+ if (GetRecoParam()->DiscardMonoCathodClusters()) DiscardMonoCathodClusters();
+
// Add tracks to MUON data container
for (Int_t i=0; i<fNRecTracks; ++i)
{
AliMUONTrack * track = (AliMUONTrack*) fRecTracksPtr->At(i);
- if (track->GetGlobalChi2() < AliMUONTrack::MaxChi2()) {
- track->SetUniqueID(i+1);
- trackStore.Add(*track);
- } else AliWarning("problem occur somewhere during track refitting --> discard track");
+ track->SetUniqueID(i+1);
+ trackStore.Add(*track);
}
+
}
//__________________________________________________________________________
TClonesArray* AliMUONVTrackReconstructor::MakeSegmentsBetweenChambers(const AliMUONVClusterStore& clusterStore, Int_t ch1, Int_t ch2)
{
/// To make the list of segments from the list of clusters in the 2 given chambers.
- /// Return a new TClonesArray of segments.
- /// It is the responsibility of the user to delete it afterward.
+ /// Return a TClonesArray of new segments (segments made in a previous call of this function are removed).
AliDebug(1,Form("Enter MakeSegmentsBetweenChambers (1..) %d-%d", ch1+1, ch2+1));
AliCodeTimerAuto("",0);
TIter nextInCh2(clusterStore.CreateChamberIterator(ch2,ch2));
// list of segments
- TClonesArray *segments = new TClonesArray("AliMUONObjectPair", 100);
+ static TClonesArray *segments = new TClonesArray("AliMUONObjectPair", 100);
+ segments->Clear("C");
// Loop over clusters in the first chamber of the station
while ( ( cluster1 = static_cast<AliMUONVCluster*>(nextInCh1()) ) ) {
} // track2
} // track1
fRecTracksPtr->Compress(); // this is essential to retrieve the TClonesArray afterwards
+}
+
+ //__________________________________________________________________________
+void AliMUONVTrackReconstructor::RemoveBadTracks()
+{
+ /// Remove tracks for which a problem occured somewhere during the tracking
+
+ AliMUONTrack *track, *nextTrack;
+ Bool_t trackRemoved = kFALSE;
+
+ track = (AliMUONTrack*) fRecTracksPtr->First();
+ while (track) {
+
+ nextTrack = (AliMUONTrack*) fRecTracksPtr->After(track);
+
+ if (track->GetGlobalChi2() >= AliMUONTrack::MaxChi2()) {
+ AliWarning("problem occured somewhere during the tracking --> discard track");
+ fRecTracksPtr->Remove(track);
+ fNRecTracks--;
+ trackRemoved = kTRUE;
+ }
+
+ track = nextTrack;
+
+ }
+
+ // compress array of tracks if needed
+ if (trackRemoved) fRecTracksPtr->Compress();
+
}
//__________________________________________________________________________
}
+//__________________________________________________________________________
+void AliMUONVTrackReconstructor::DiscardMonoCathodClusters()
+{
+ /// Assign a different resolution to the mono-cathod clusters
+ /// in the direction of the missing plane and refit the track
+ /// Remove the track in case of failure
+
+ if (!fkTransformer) AliFatal("missing geometry transformer");
+
+ AliMUONTrack *track, *nextTrack;
+ Bool_t trackRemoved = kFALSE;
+
+ track = (AliMUONTrack*) fRecTracksPtr->First();
+ while (track) {
+
+ nextTrack = (AliMUONTrack*) fRecTracksPtr->After(track);
+
+ ChangeMonoCathodClusterRes(*track);
+
+ if (!RefitTrack(*track) || (GetRecoParam()->ImproveTracks() && !track->IsImproved())) {
+ fRecTracksPtr->Remove(track);
+ fNRecTracks--;
+ trackRemoved = kTRUE;
+ }
+
+ track = nextTrack;
+
+ }
+
+ // compress array of tracks if needed
+ if (trackRemoved) fRecTracksPtr->Compress();
+
+}
+
+//__________________________________________________________________________
+void AliMUONVTrackReconstructor::ChangeMonoCathodClusterRes(AliMUONTrack &track)
+{
+ /// Assign a different resolution to the mono-cathod clusters
+ /// in the direction of the missing plane and refit the track
+
+ // Loop over clusters
+ AliMUONVCluster *cluster;
+ Int_t nClusters = track.GetNClusters();
+ for (Int_t iCluster = 0; iCluster < nClusters; iCluster++) {
+ cluster = ((AliMUONTrackParam*) track.GetTrackParamAtCluster()->UncheckedAt(iCluster))->GetClusterPtr();
+
+ // do it only for stations 3, 4 & 5
+ if (cluster->GetChamberId() < 4) continue;
+
+ // get the cathod corresponding to the bending/non-bending plane
+ Int_t deId = cluster->GetDetElemId();
+ AliMpDetElement* de = AliMpDDLStore::Instance()->GetDetElement(deId, kFALSE);
+ if (!de) continue;
+ AliMp::CathodType cath1 = de->GetCathodType(AliMp::kBendingPlane);
+ AliMp::CathodType cath2 = de->GetCathodType(AliMp::kNonBendingPlane);
+
+ // get the corresponding segmentation
+ const AliMpVSegmentation* seg1 = AliMpSegmentation::Instance()->GetMpSegmentation(deId, cath1);
+ const AliMpVSegmentation* seg2 = AliMpSegmentation::Instance()->GetMpSegmentation(deId, cath2);
+ if (!seg1 || !seg2) continue;
+
+ // get local coordinate of the cluster
+ Double_t lX,lY,lZ;
+ Double_t gX = cluster->GetX();
+ Double_t gY = cluster->GetY();
+ Double_t gZ = cluster->GetZ();
+ fkTransformer->Global2Local(deId,gX,gY,gZ,lX,lY,lZ);
+
+ // find pads below the cluster
+ AliMpPad pad1 = seg1->PadByPosition(lX, lY, kFALSE);
+ AliMpPad pad2 = seg2->PadByPosition(lX, lY, kFALSE);
+
+ // build their ID if pads are valid
+ UInt_t padId1 = (pad1.IsValid()) ? AliMUONVDigit::BuildUniqueID(deId, pad1.GetManuId(), pad1.GetManuChannel(), cath1) : 0;
+ UInt_t padId2 = (pad2.IsValid()) ? AliMUONVDigit::BuildUniqueID(deId, pad2.GetManuId(), pad2.GetManuChannel(), cath2) : 0;
+
+ // check if the cluster contains these pads
+ Bool_t hasNonBending = kFALSE;
+ Bool_t hasBending = kFALSE;
+ for (Int_t iDigit = 0; iDigit < cluster->GetNDigits(); iDigit++) {
+
+ UInt_t digitId = cluster->GetDigitId(iDigit);
+
+ if (digitId == padId1) {
+
+ hasBending = kTRUE;
+ if (hasNonBending) break;
+
+ } else if (digitId == padId2) {
+
+ hasNonBending = kTRUE;
+ if (hasBending) break;
+
+ }
+
+ }
+
+ // modify the cluster resolution if needed
+ if (!hasNonBending) cluster->SetErrXY(GetRecoParam()->GetMonoCathodClNonBendingRes(), cluster->GetErrY());
+ if (!hasBending) cluster->SetErrXY(cluster->GetErrX(), GetRecoParam()->GetMonoCathodClBendingRes());
+
+ }
+
+}
+
//__________________________________________________________________________
void AliMUONVTrackReconstructor::ValidateTracksWithTrigger(AliMUONVTrackStore& trackStore,
const AliMUONVTriggerTrackStore& triggerTrackStore,
trackHitPattern.ExecuteValidation(trackStore, triggerTrackStore, triggerStore);
}
- //__________________________________________________________________________
+
+//__________________________________________________________________________
void AliMUONVTrackReconstructor::EventReconstructTrigger(const AliMUONTriggerCircuit& circuit,
const AliMUONVTriggerStore& triggerStore,
AliMUONVTriggerTrackStore& triggerTrackStore)
{
- /// To make the trigger tracks from Local Trigger
+ /// Fill trigger track store from local trigger
AliDebug(1, "");
AliCodeTimerAuto("",0);
gloTrigPat = globalTrigger->GetGlobalResponse();
}
+ AliMUONTriggerTrack triggerTrack;
+
TIter next(triggerStore.CreateIterator());
AliMUONLocalTrigger* locTrg(0x0);
-
- const Double_t kTrigNonBendReso = AliMUONConstants::TriggerNonBendingReso();
- const Double_t kTrigBendReso = AliMUONConstants::TriggerBendingReso();
- const Double_t kSqrt12 = TMath::Sqrt(12.);
-
- AliMUONTriggerTrack triggerTrack;
- TMatrixD trigCov(3,3);
while ( ( locTrg = static_cast<AliMUONLocalTrigger*>(next()) ) )
{
if ( locTrg->IsTrigX() && locTrg->IsTrigY() )
{ // make Trigger Track if trigger in X and Y
+
+ if (TriggerToTrack(circuit, *locTrg, triggerTrack, gloTrigPat))
+ triggerTrackStore.Add(triggerTrack);
- Int_t localBoardId = locTrg->LoCircuit();
+ } // board is fired
+ } // end of loop on Local Trigger
+}
- Float_t y11 = circuit.GetY11Pos(localBoardId, locTrg->LoStripX());
- Float_t z11 = circuit.GetZ11Pos(localBoardId, locTrg->LoStripX());
- // need first to convert deviation to [0-30]
- // (see AliMUONLocalTriggerBoard::LocalTrigger)
- Int_t deviation = locTrg->GetDeviation();
- Int_t stripX21 = locTrg->LoStripX()+deviation+1;
- Float_t y21 = circuit.GetY21Pos(localBoardId, stripX21);
- Float_t z21 = circuit.GetZ21Pos(localBoardId, stripX21);
- Float_t x11 = circuit.GetX11Pos(localBoardId, locTrg->LoStripY());
-
- AliDebug(1, Form(" MakeTriggerTrack %3d %2d %2d %2d (%f %f %f) (%f %f)\n",locTrg->LoCircuit(),
- locTrg->LoStripX(),locTrg->LoStripX()+deviation+1,locTrg->LoStripY(),x11, y11, z11, y21, z21));
+//__________________________________________________________________________
+Bool_t AliMUONVTrackReconstructor::TriggerToTrack(const AliMUONTriggerCircuit& circuit,
+ const AliMUONLocalTrigger& locTrg,
+ AliMUONTriggerTrack& triggerTrack,
+ UChar_t globalTriggerPattern)
+{
+ /// To make the trigger tracks from Local Trigger
+ const Double_t kTrigNonBendReso = AliMUONConstants::TriggerNonBendingReso();
+ const Double_t kTrigBendReso = AliMUONConstants::TriggerBendingReso();
+ const Double_t kSqrt12 = TMath::Sqrt(12.);
+
+ TMatrixD trigCov(3,3);
-
- Double_t deltaZ = z11 - z21;
+ Int_t localBoardId = locTrg.LoCircuit();
- Float_t slopeX = x11/z11;
- Float_t slopeY = (y11-y21) / deltaZ;
-
- Float_t sigmaX = circuit.GetX11Width(localBoardId, locTrg->LoStripY()) / kSqrt12;
- Float_t sigmaY = circuit.GetY11Width(localBoardId, locTrg->LoStripX()) / kSqrt12;
- Float_t sigmaY21 = circuit.GetY21Width(localBoardId, locTrg->LoStripX()) / kSqrt12;
+ Float_t y11 = circuit.GetY11Pos(localBoardId, locTrg.LoStripX());
+ Float_t z11 = circuit.GetZ11Pos(localBoardId, locTrg.LoStripX());
+ // need first to convert deviation to [0-30]
+ // (see AliMUONLocalTriggerBoard::LocalTrigger)
+ Int_t deviation = locTrg.GetDeviation();
+ Int_t stripX21 = locTrg.LoStripX()+deviation+1;
+ Float_t y21 = circuit.GetY21Pos(localBoardId, stripX21);
+ Float_t z21 = circuit.GetZ21Pos(localBoardId, stripX21);
+ Float_t x11 = circuit.GetX11Pos(localBoardId, locTrg.LoStripY());
+
+ AliDebug(1, Form(" MakeTriggerTrack %3d %2d %2d %2d (%f %f %f) (%f %f)\n",locTrg.LoCircuit(),
+ locTrg.LoStripX(),locTrg.LoStripX()+deviation+1,locTrg.LoStripY(),x11, y11, z11, y21, z21));
+
+ if (TMath::Abs(z11) < 0.00001) return kFALSE;
- trigCov.Zero();
- trigCov(0,0) = kTrigNonBendReso * kTrigNonBendReso + sigmaX * sigmaX;
- trigCov(1,1) = kTrigBendReso * kTrigBendReso + sigmaY * sigmaY;
- trigCov(2,2) =
- (2. * kTrigBendReso * kTrigBendReso + sigmaY * sigmaY + sigmaY21 * sigmaY21 ) / deltaZ / deltaZ;
- trigCov(1,2) = trigCov(2,1) = trigCov(1,1) / deltaZ;
+ Double_t deltaZ = z11 - z21;
+
+ Float_t slopeX = x11/z11;
+ Float_t slopeY = (y11-y21) / deltaZ;
+
+ Float_t sigmaX = circuit.GetX11Width(localBoardId, locTrg.LoStripY()) / kSqrt12;
+ Float_t sigmaY = circuit.GetY11Width(localBoardId, locTrg.LoStripX()) / kSqrt12;
+ Float_t sigmaY21 = circuit.GetY21Width(localBoardId, locTrg.LoStripX()) / kSqrt12;
+
+ trigCov.Zero();
+ trigCov(0,0) = kTrigNonBendReso * kTrigNonBendReso + sigmaX * sigmaX;
+ trigCov(1,1) = kTrigBendReso * kTrigBendReso + sigmaY * sigmaY;
+ trigCov(2,2) =
+ (2. * kTrigBendReso * kTrigBendReso + sigmaY * sigmaY + sigmaY21 * sigmaY21 ) / deltaZ / deltaZ;
+ trigCov(1,2) = trigCov(2,1) = trigCov(1,1) / deltaZ;
+
+ triggerTrack.SetX11(x11);
+ triggerTrack.SetY11(y11);
+ triggerTrack.SetZ11(z11);
+ triggerTrack.SetZ21(z21);
+ triggerTrack.SetSlopeX(slopeX);
+ triggerTrack.SetSlopeY(slopeY);
+ triggerTrack.SetGTPattern(globalTriggerPattern);
+ triggerTrack.SetLoTrgNum(localBoardId);
+ triggerTrack.SetCovariances(trigCov);
+ triggerTrack.SetUniqueID(locTrg.GetUniqueID());
- triggerTrack.SetX11(x11);
- triggerTrack.SetY11(y11);
- triggerTrack.SetZ11(z11);
- triggerTrack.SetZ21(z21);
- triggerTrack.SetSlopeX(slopeX);
- triggerTrack.SetSlopeY(slopeY);
- triggerTrack.SetGTPattern(gloTrigPat);
- triggerTrack.SetLoTrgNum(localBoardId);
- triggerTrack.SetCovariances(trigCov);
+ return kTRUE;
- triggerTrackStore.Add(triggerTrack);
- } // board is fired
- } // end of loop on Local Trigger
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff