#include "AliHelix.h"
#include "AliITSRecPoint.h"
#include "AliITSgeomTGeo.h"
-#include "AliITStrackerMI.h"
#include "AliITSReconstructor.h"
#include "AliTrackPointArray.h"
#include "AliAlignObj.h"
#include "AliITSClusterParam.h"
#include "AliITSPlaneEff.h"
+#include "AliCDBManager.h"
+#include "AliCDBEntry.h"
+#include "AliITSCalibrationSPD.h"
+#include "AliITSCalibrationSDD.h"
+#include "AliITSCalibrationSSD.h"
+#include "AliITStrackerMI.h"
ClassImp(AliITStrackerMI)
fxOverX0LayerTrks(0),
fxTimesRhoLayerTrks(0),
fDebugStreamer(0),
-fPlaneEff(0){
+fPlaneEff(0) {
//Default constructor
Int_t i;
for(i=0;i<4;i++) fSPDdetzcentre[i]=0.;
fxOverX0LayerTrks(0),
fxTimesRhoLayerTrks(0),
fDebugStreamer(0),
-fPlaneEff(0){
+fPlaneEff(0) {
//--------------------------------------------------------------------
//This is the AliITStrackerMI constructor
//--------------------------------------------------------------------
fxOverX0LayerTrks(0),
fxTimesRhoLayerTrks(0),
fDebugStreamer(tracker.fDebugStreamer),
-fPlaneEff(tracker.fPlaneEff){
+fPlaneEff(tracker.fPlaneEff) {
//Copy constructor
Int_t i;
for(i=0;i<4;i++) {
SortTrackHypothesys(fCurrentEsdTrack,20,0); //MI change
//
- AliITStrackMI * besttrack = GetBestHypothesys(fCurrentEsdTrack,t,15);
+ AliITStrackMI *besttrack = GetBestHypothesys(fCurrentEsdTrack,t,15);
if (!besttrack) continue;
besttrack->SetLabel(tpcLabel);
// besttrack->CookdEdx();
fTrackToFollow.ResetCovariance(10.);
//Refitting...
- if (RefitAt(AliITSRecoParam::GetrInsideSPD1(), &fTrackToFollow, t,kTRUE)) {
+ if (RefitAt(AliITSRecoParam::GetrInsideSPD1(),&fTrackToFollow,t,kTRUE)) {
fTrackToFollow.SetLabel(t->GetLabel());
// fTrackToFollow.CookdEdx();
CookdEdx(&fTrackToFollow);
//The beam pipe
if (CorrectForPipeMaterial(&fTrackToFollow,"inward")) {
+ fTrackToFollow.UpdateESDtrack(AliESDtrack::kITSrefit);
AliESDtrack *esdTrack =fTrackToFollow.GetESDtrack();
- esdTrack->UpdateTrackParams(&fTrackToFollow,AliESDtrack::kITSrefit);
+ //printf(" %d\n",esdTrack->GetITSModuleIndex(0));
+ //esdTrack->UpdateTrackParams(&fTrackToFollow,AliESDtrack::kITSrefit); //original line
Float_t r[3]={0.,0.,0.};
Double_t maxD=3.;
esdTrack->RelateToVertex(event->GetVertex(),GetBz(r),maxD);
new (&(tracks[6][0])) AliITStrackMI(*otrack);
ntracks[6]=1;
for (Int_t i=0;i<7;i++) nindexes[i][0]=0;
+ Int_t modstatus = 1; // found
+ Float_t xloc,zloc;
//
//
// follow prolongations
CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward");
vtrack->SetNDeadZone(vtrack->GetNDeadZone()+1);
vtrack->SetClIndex(ilayer,0);
+ modstatus = (skip==1 ? 3 : 4); // skipped : out in z
+ LocalModuleCoord(ilayer,idet,vtrack,xloc,zloc); // local module coords
+ vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
if(constrain) vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
ntracks[ilayer]++;
continue;
const AliITSdetector &det=layer.GetDetector(idet);
new(¤ttrack2) AliITStrackMI(currenttrack1);
if (!currenttrack1.Propagate(det.GetPhi(),det.GetR())) continue;
+ LocalModuleCoord(ilayer,idet,¤ttrack1,xloc,zloc); // local module coords
currenttrack2.Propagate(det.GetPhi(),det.GetR());
currenttrack1.SetDetectorIndex(idet);
currenttrack2.SetDetectorIndex(idet);
Bool_t deadzoneSPD=kFALSE;
currenttrack = ¤ttrack1;
- // check if the road contains a dead zone and create a prolongation
- Int_t dead = CheckDeadZone(/*currenttrack,*/ilayer,/*idet,*/zmin,zmax/*,ymin,ymax*/);
- if (dead) {
+ // check if the road contains a dead zone
+ Int_t dead = CheckDeadZone(ilayer,idet,zmin,zmax);
+ // create a prolongation without clusters (check also if there are no clusters in the road)
+ if (dead ||
+ ((layer.GetNextCluster(clidx,kTRUE))==0 &&
+ AliITSReconstructor::GetRecoParam()->GetAllowProlongationWithEmptyRoad())) {
AliITStrackMI * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(*currenttrack);
updatetrack->SetClIndex(ilayer,0);
+ if (dead==0) {
+ modstatus = 5; // no cls in road
+ } else if (dead==1) {
+ modstatus = 7; // holes in z in SPD
+ } else if (dead==2) {
+ modstatus = 2; // dead from OCDB
+ }
+ updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
// apply correction for material of the current layer
CorrectForLayerMaterial(updatetrack,ilayer,trackGlobXYZ1,"inward");
if (constrain) { // apply vertex constrain
}
if (isPrim) updatetrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
}
- updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1);
- if (dead==1) { // dead zone at z=0,+-7cm in SPD
- updatetrack->SetDeadZoneProbability(GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2())));
- deadzoneSPD=kTRUE;
+ if (dead) {
+ updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1);
+ if (dead==1) { // dead zone at z=0,+-7cm in SPD
+ updatetrack->SetDeadZoneProbability(GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2())));
+ deadzoneSPD=kTRUE;
+ }
}
ntracks[ilayer]++;
}
+ clidx=-1;
// loop over clusters in the road
while ((cl=layer.GetNextCluster(clidx))!=0) {
if (ntracks[ilayer]>95) break; //space for skipped clusters
AliITStrackMI * updatetrack = new (&tracks[ilayer][ntracks[ilayer]]) AliITStrackMI(*currenttrack);
updatetrack->SetClIndex(ilayer,0);
if (changedet) new (¤ttrack2) AliITStrackMI(backuptrack);
-
+
if (cl->GetQ()!=0) { // real cluster
if (!UpdateMI(updatetrack,cl,chi2trkcl,(ilayer<<28)+clidx)) continue;
updatetrack->SetSampledEdx(cl->GetQ(),updatetrack->GetNumberOfClusters()-1); //b.b.
+ modstatus = 1; // found
} else { // virtual cluster in dead zone
updatetrack->SetNDeadZone(updatetrack->GetNDeadZone()+1);
updatetrack->SetDeadZoneProbability(GetSPDDeadZoneProbability(updatetrack->GetZ(),TMath::Sqrt(updatetrack->GetSigmaZ2())));
+ modstatus = 7; // holes in z in SPD
+ }
+
+ if (changedet) {
+ Float_t xlocnewdet,zlocnewdet;
+ LocalModuleCoord(ilayer,idet,updatetrack,xlocnewdet,zlocnewdet); // local module coords
+ updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xlocnewdet,zlocnewdet);
+ } else {
+ updatetrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
}
if (cl->IsUsed()) updatetrack->IncrementNUsed();
// apply correction for material of the current layer
CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward");
vtrack->SetClIndex(ilayer,0);
+ modstatus = 3; // skipped
+ vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
vtrack->IncrementNSkipped();
ntracks[ilayer]++;
// apply correction for material of the current layer
CorrectForLayerMaterial(vtrack,ilayer,trackGlobXYZ1,"inward");
vtrack->SetClIndex(ilayer,0);
+ modstatus = 3; // skipped
+ vtrack->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
vtrack->Improve(budgetToPrimVertex,xyzVtx,ersVtx);
vtrack->SetNDeadZone(vtrack->GetNDeadZone()+1);
ntracks[ilayer]++;
//
for (Int_t i=0;i<fN-1;i++){
if (fZ[i]>fZ[i+1]){
- printf("Bugg\n");
+ printf("Bug\n");
}
}
//
for (Int_t slice=0;slice<21;slice++)
for (Int_t i=0;i<fN20[slice]-1;i++){
if (fZ20[slice][i]>fZ20[slice][i+1]){
- printf("Bugg\n");
+ printf("Bug\n");
}
}
Double_t circle=2*TMath::Pi()*fR;
fYmin = ymin; fYmax =ymax;
Float_t ymiddle = (fYmin+fYmax)*0.5;
- if (ymiddle<fYB[0]) {fYmin+=circle; fYmax+=circle;ymiddle+=circle;}
- else{
- if (ymiddle>fYB[1]) {fYmin-=circle; fYmax-=circle;ymiddle-=circle;}
+ if (ymiddle<fYB[0]) {
+ fYmin+=circle; fYmax+=circle; ymiddle+=circle;
+ } else if (ymiddle>fYB[1]) {
+ fYmin-=circle; fYmax-=circle; ymiddle-=circle;
}
+
//
fCurrentSlice =-1;
// defualt take all
if (slice<0) slice=0;
if (slice>5) slice=5;
Bool_t isOK = (fYmin>fBy5[slice][0]&&fYmax<fBy5[slice][1]);
- if ( isOK){
+ if (isOK) {
fCurrentSlice=slice;
fClustersCs = fClusters5[fCurrentSlice];
fClusterIndexCs = fClusterIndex5[fCurrentSlice];
return np*fNdetectors + nz;
}
//------------------------------------------------------------------------
-const AliITSRecPoint *AliITStrackerMI::AliITSlayer::GetNextCluster(Int_t &ci){
+const AliITSRecPoint *AliITStrackerMI::AliITSlayer::GetNextCluster(Int_t &ci,Bool_t test)
+{
//--------------------------------------------------------------------
// This function returns clusters within the "window"
//--------------------------------------------------------------------
- if (fCurrentSlice<0){
+ if (fCurrentSlice<0) {
Double_t rpi2 = 2.*fR*TMath::Pi();
for (Int_t i=fI; i<fImax; i++) {
Double_t y = fY[i];
if (y>fYmax) continue;
if (fClusters[i]->GetQ()==0&&fSkip==2) continue;
ci=i;
- fI=i+1;
+ if (!test) fI=i+1;
return fClusters[i];
}
- }
- else{
+ } else {
for (Int_t i=fI; i<fImax; i++) {
if (fYcs[i]<fYmin) continue;
if (fYcs[i]>fYmax) continue;
if (fClustersCs[i]->GetQ()==0&&fSkip==2) continue;
ci=fClusterIndexCs[i];
- fI=i+1;
+ if (!test) fI=i+1;
return fClustersCs[i];
}
}
}
//------------------------------------------------------------------------
Int_t AliITStrackerMI::AliITSlayer::InRoad() const {
- //--------------------------------------------------------------------
+ //-------------------------------------------------------------------
// This function returns number of clusters within the "window"
//--------------------------------------------------------------------
Int_t ncl=0;
return ncl;
}
//------------------------------------------------------------------------
-Bool_t AliITStrackerMI::RefitAt(Double_t xx,AliITStrackMI *t,
- const AliITStrackMI *c, Bool_t extra) {
+Bool_t AliITStrackerMI::RefitAt(Double_t xx,AliITStrackMI *track,
+ const AliITStrackMI *clusters,Bool_t extra)
+{
//--------------------------------------------------------------------
- // This function refits the track "t" at the position "x" using
- // the clusters from "c"
+ // This function refits the track "track" at the position "x" using
+ // the clusters from "clusters"
// If "extra"==kTRUE,
- // the clusters from overlapped modules get attached to "t"
+ // the clusters from overlapped modules get attached to "track"
//--------------------------------------------------------------------
Int_t index[AliITSgeomTGeo::kNLayers];
Int_t k;
for (k=0; k<AliITSgeomTGeo::GetNLayers(); k++) index[k]=-1;
- Int_t nc=c->GetNumberOfClusters();
+ Int_t nc=clusters->GetNumberOfClusters();
for (k=0; k<nc; k++) {
- Int_t idx=c->GetClusterIndex(k),nl=(idx&0xf0000000)>>28;
- index[nl]=idx;
- }
-
- // special for cosmics: check which is the innermost layer crossed
- // by the track
- Int_t innermostlayer=5;
- Double_t d = TMath::Abs(t->GetD(0.,0.));
- for(innermostlayer=0; innermostlayer<AliITSgeomTGeo::GetNLayers(); innermostlayer++)
- if(d<fgLayers[innermostlayer].GetR()) break;
- //printf(" d %f innermost %d\n",d,innermostlayer);
-
- Int_t from, to, step;
- if (xx > t->GetX()) {
- from=innermostlayer; to=AliITSgeomTGeo::GetNLayers();
- step=+1;
- } else {
- from=AliITSgeomTGeo::GetNLayers()-1; to=innermostlayer-1;
- step=-1;
+ Int_t idx=clusters->GetClusterIndex(k);
+ Int_t ilayer=(idx&0xf0000000)>>28;
+ index[ilayer]=idx;
}
- TString dir=(step>0 ? "outward" : "inward");
-
- // loop on the layers
- for (Int_t ilayer=from; ilayer != to; ilayer += step) {
- AliITSlayer &layer=fgLayers[ilayer];
- Double_t r=layer.GetR();
-
- // material between SSD and SDD, SDD and SPD
- Double_t hI=ilayer-0.5*step;
- if (TMath::Abs(hI-3.5)<0.01) // SDDouter
- if(!CorrectForShieldMaterial(t,"SDD",dir)) return kFALSE;
- if (TMath::Abs(hI-1.5)<0.01) // SPDouter
- if(!CorrectForShieldMaterial(t,"SPD",dir)) return kFALSE;
-
- // remember old position [SR, GSI 18.02.2003]
- Double_t oldX=0., oldY=0., oldZ=0.;
- if (t->IsStartedTimeIntegral() && step==1) {
- t->GetGlobalXYZat(t->GetX(),oldX,oldY,oldZ);
- }
- //
-
- Double_t oldGlobXYZ[3];
- t->GetXYZ(oldGlobXYZ);
-
- Double_t phi,z;
- if (!t->GetPhiZat(r,phi,z)) return kFALSE;
-
- Int_t idet=layer.FindDetectorIndex(phi,z);
-
- // check if we allow a prolongation without point for large-eta tracks
- Int_t skip = CheckSkipLayer(t,ilayer,idet);
- if (skip==2) {
- // propagate to the layer radius
- Double_t xToGo; t->GetLocalXat(r,xToGo);
- t->AliExternalTrackParam::PropagateTo(xToGo,GetBz());
- // apply correction for material of the current layer
- CorrectForLayerMaterial(t,ilayer,oldGlobXYZ,dir);
- // track time update [SR, GSI 17.02.2003]
- if (t->IsStartedTimeIntegral() && step==1) {
- Double_t newX, newY, newZ;
- t->GetGlobalXYZat(t->GetX(),newX,newY,newZ);
- Double_t dL2 = (oldX-newX)*(oldX-newX) + (oldY-newY)*(oldY-newY) +
- (oldZ-newZ)*(oldZ-newZ);
- t->AddTimeStep(TMath::Sqrt(dL2));
- }
- continue;
- }
-
- if (idet<0) return kFALSE;
-
- const AliITSdetector &det=layer.GetDetector(idet);
- phi=det.GetPhi();
- if (!t->Propagate(phi,det.GetR())) return kFALSE;
- t->SetDetectorIndex(idet);
-
- const AliITSRecPoint *cl=0;
- Double_t maxchi2=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2();
-
- Int_t idx=index[ilayer];
- if (idx>=0) {
- const AliITSRecPoint *c=(AliITSRecPoint *)GetCluster(idx);
- if (c) {
- if (idet != c->GetDetectorIndex()) {
- idet=c->GetDetectorIndex();
- const AliITSdetector &det=layer.GetDetector(idet);
- if (!t->Propagate(det.GetPhi(),det.GetR())) {
- return kFALSE;
- }
- t->SetDetectorIndex(idet);
- }
- //Double_t chi2=t->GetPredictedChi2(c);
- Int_t layer = (idx & 0xf0000000) >> 28;;
- Double_t chi2=GetPredictedChi2MI(t,c,layer);
- if (chi2<maxchi2) {
- cl=c;
- maxchi2=chi2;
- } else {
- return kFALSE;
- }
- }
- }
-
- if (cl) {
- if (!UpdateMI(t,cl,maxchi2,idx)) return kFALSE;
- t->SetSampledEdx(cl->GetQ(),t->GetNumberOfClusters()-1);
- }
-
- if (extra) { //search for extra clusters
- AliITStrackV2 tmp(*t);
- Double_t dz=4*TMath::Sqrt(tmp.GetSigmaZ2()+AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer));
- if (dz < 0.5*TMath::Abs(tmp.GetTgl())) dz=0.5*TMath::Abs(tmp.GetTgl());
- Double_t dy=4*TMath::Sqrt(t->GetSigmaY2()+AliITSReconstructor::GetRecoParam()->GetSigmaY2(ilayer));
- if (dy < 0.5*TMath::Abs(tmp.GetSnp())) dy=0.5*TMath::Abs(tmp.GetSnp());
- Double_t zmin=t->GetZ() - dz;
- Double_t zmax=t->GetZ() + dz;
- Double_t ymin=t->GetY() + phi*r - dy;
- Double_t ymax=t->GetY() + phi*r + dy;
- layer.SelectClusters(zmin,zmax,ymin,ymax);
-
- const AliITSRecPoint *c=0; Int_t ci=-1,cci=-1;
- Double_t maxchi2=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2(), tolerance=0.1;
- while ((c=layer.GetNextCluster(ci))!=0) {
- if (idet == c->GetDetectorIndex()) continue;
-
- const AliITSdetector &det=layer.GetDetector(c->GetDetectorIndex());
-
- if (!tmp.Propagate(det.GetPhi(),det.GetR())) continue;
-
- if (TMath::Abs(tmp.GetZ() - c->GetZ()) > tolerance) continue;
- if (TMath::Abs(tmp.GetY() - c->GetY()) > tolerance) continue;
-
- Double_t chi2=tmp.GetPredictedChi2(c);
- if (chi2<maxchi2) { maxchi2=chi2; cci=ci; }
- }
- if (cci>=0) t->SetExtraCluster(ilayer,(ilayer<<28)+cci);
- }
-
- // track time update [SR, GSI 17.02.2003]
- if (t->IsStartedTimeIntegral() && step==1) {
- Double_t newX, newY, newZ;
- t->GetGlobalXYZat(t->GetX(),newX,newY,newZ);
- Double_t dL2 = (oldX-newX)*(oldX-newX) + (oldY-newY)*(oldY-newY) +
- (oldZ-newZ)*(oldZ-newZ);
- t->AddTimeStep(TMath::Sqrt(dL2));
- }
- //
- // Correct for material of the current layer
- if(!CorrectForLayerMaterial(t,ilayer,oldGlobXYZ,dir)) return kFALSE;
-
- } // end loop on the layers
-
- if (!t->PropagateTo(xx,0.,0.)) return kFALSE;
- return kTRUE;
+ return RefitAt(xx,track,index,extra); // call the method below
}
//------------------------------------------------------------------------
-Bool_t
-AliITStrackerMI::RefitAt(Double_t xx,AliITStrackMI *t,const Int_t *clindex) {
+Bool_t AliITStrackerMI::RefitAt(Double_t xx,AliITStrackMI *track,
+ const Int_t *clusters,Bool_t extra)
+{
//--------------------------------------------------------------------
- // This function refits the track "t" at the position "x" using
+ // This function refits the track "track" at the position "x" using
// the clusters from array
+ // If "extra"==kTRUE,
+ // the clusters from overlapped modules get attached to "track"
//--------------------------------------------------------------------
Int_t index[AliITSgeomTGeo::kNLayers];
Int_t k;
for (k=0; k<AliITSgeomTGeo::GetNLayers(); k++) index[k]=-1;
//
for (k=0; k<AliITSgeomTGeo::GetNLayers(); k++) {
- index[k]=clindex[k];
+ index[k]=clusters[k];
}
// special for cosmics: check which the innermost layer crossed
// by the track
Int_t innermostlayer=5;
- Double_t d = TMath::Abs(t->GetD(0.,0.));
- for(innermostlayer=0; innermostlayer<AliITSgeomTGeo::GetNLayers(); innermostlayer++)
- if(d<fgLayers[innermostlayer].GetR()) break;
- //printf(" d %f innermost %d\n",d,innermostlayer);
+ Double_t drphi = TMath::Abs(track->GetD(0.,0.));
+ for(innermostlayer=0; innermostlayer<AliITSgeomTGeo::GetNLayers(); innermostlayer++) {
+ if(drphi < fgLayers[innermostlayer].GetR()) break;
+ }
+ //printf(" drphi %f innermost %d\n",drphi,innermostlayer);
+ Int_t modstatus=1; // found
+ Float_t xloc,zloc;
Int_t from, to, step;
- if (xx > t->GetX()) {
+ if (xx > track->GetX()) {
from=innermostlayer; to=AliITSgeomTGeo::GetNLayers();
step=+1;
} else {
from=AliITSgeomTGeo::GetNLayers()-1; to=innermostlayer-1;
step=-1;
}
- TString dir=(step>0 ? "outward" : "inward");
+ TString dir = (step>0 ? "outward" : "inward");
- for (Int_t ilayer=from; ilayer != to; ilayer += step) {
+ for (Int_t ilayer = from; ilayer != to; ilayer += step) {
AliITSlayer &layer=fgLayers[ilayer];
Double_t r=layer.GetR();
if (step<0 && xx>r) break;
// material between SSD and SDD, SDD and SPD
Double_t hI=ilayer-0.5*step;
if (TMath::Abs(hI-3.5)<0.01) // SDDouter
- if(!CorrectForShieldMaterial(t,"SDD",dir)) return kFALSE;
+ if(!CorrectForShieldMaterial(track,"SDD",dir)) return kFALSE;
if (TMath::Abs(hI-1.5)<0.01) // SPDouter
- if(!CorrectForShieldMaterial(t,"SPD",dir)) return kFALSE;
+ if(!CorrectForShieldMaterial(track,"SPD",dir)) return kFALSE;
// remember old position [SR, GSI 18.02.2003]
Double_t oldX=0., oldY=0., oldZ=0.;
- if (t->IsStartedTimeIntegral() && step==1) {
- t->GetGlobalXYZat(t->GetX(),oldX,oldY,oldZ);
+ if (track->IsStartedTimeIntegral() && step==1) {
+ track->GetGlobalXYZat(track->GetX(),oldX,oldY,oldZ);
}
//
+
Double_t oldGlobXYZ[3];
- t->GetXYZ(oldGlobXYZ);
+ track->GetXYZ(oldGlobXYZ);
Double_t phi,z;
- if (!t->GetPhiZat(r,phi,z)) return kFALSE;
+ if (!track->GetPhiZat(r,phi,z)) return kFALSE;
Int_t idet=layer.FindDetectorIndex(phi,z);
// check if we allow a prolongation without point for large-eta tracks
- Int_t skip = CheckSkipLayer(t,ilayer,idet);
+ Int_t skip = CheckSkipLayer(track,ilayer,idet);
if (skip==2) {
// propagate to the layer radius
- Double_t xToGo; t->GetLocalXat(r,xToGo);
- t->AliExternalTrackParam::PropagateTo(xToGo,GetBz());
+ Double_t xToGo; track->GetLocalXat(r,xToGo);
+ track->AliExternalTrackParam::PropagateTo(xToGo,GetBz());
// apply correction for material of the current layer
- CorrectForLayerMaterial(t,ilayer,oldGlobXYZ,dir);
+ CorrectForLayerMaterial(track,ilayer,oldGlobXYZ,dir);
+ modstatus = 4; // out in z
+ LocalModuleCoord(ilayer,idet,track,xloc,zloc); // local module coords
+ track->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
// track time update [SR, GSI 17.02.2003]
- if (t->IsStartedTimeIntegral() && step==1) {
+ if (track->IsStartedTimeIntegral() && step==1) {
Double_t newX, newY, newZ;
- t->GetGlobalXYZat(t->GetX(),newX,newY,newZ);
+ track->GetGlobalXYZat(track->GetX(),newX,newY,newZ);
Double_t dL2 = (oldX-newX)*(oldX-newX) + (oldY-newY)*(oldY-newY) +
(oldZ-newZ)*(oldZ-newZ);
- t->AddTimeStep(TMath::Sqrt(dL2));
+ track->AddTimeStep(TMath::Sqrt(dL2));
}
continue;
}
if (idet<0) return kFALSE;
+
const AliITSdetector &det=layer.GetDetector(idet);
phi=det.GetPhi();
- if (!t->Propagate(phi,det.GetR())) return kFALSE;
- t->SetDetectorIndex(idet);
+ if (!track->Propagate(phi,det.GetR())) return kFALSE;
+ track->SetDetectorIndex(idet);
+ LocalModuleCoord(ilayer,idet,track,xloc,zloc); // local module coords
- const AliITSRecPoint *cl=0;
+ Double_t dz,zmin,zmax;
+
+ const AliITSRecPoint *clAcc=0;
Double_t maxchi2=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2();
Int_t idx=index[ilayer];
- if (idx>=0) {
- const AliITSRecPoint *c=(AliITSRecPoint *)GetCluster(idx);
- if (c){
- if (idet != c->GetDetectorIndex()) {
- idet=c->GetDetectorIndex();
- const AliITSdetector &det=layer.GetDetector(idet);
- if (!t->Propagate(det.GetPhi(),det.GetR())) {
- return kFALSE;
- }
- t->SetDetectorIndex(idet);
- }
- //Double_t chi2=t->GetPredictedChi2(c);
- Int_t layer = (idx & 0xf0000000) >> 28;;
- Double_t chi2=GetPredictedChi2MI(t,c,layer);
- if (chi2<maxchi2) {
- cl=c;
- maxchi2=chi2;
- } else {
- return kFALSE;
- }
- }
+ if (idx>=0) { // cluster in this layer
+ modstatus = 6; // no refit
+ const AliITSRecPoint *cl=(AliITSRecPoint *)GetCluster(idx);
+ if (cl) {
+ if (idet != cl->GetDetectorIndex()) {
+ idet=cl->GetDetectorIndex();
+ const AliITSdetector &det=layer.GetDetector(idet);
+ if (!track->Propagate(det.GetPhi(),det.GetR())) return kFALSE;
+ track->SetDetectorIndex(idet);
+ LocalModuleCoord(ilayer,idet,track,xloc,zloc); // local module coords
+ }
+ //Double_t chi2=track->GetPredictedChi2(cl);
+ Int_t cllayer = (idx & 0xf0000000) >> 28;;
+ Double_t chi2=GetPredictedChi2MI(track,cl,cllayer);
+ if (chi2<maxchi2) {
+ clAcc=cl;
+ maxchi2=chi2;
+ modstatus = 1; // found
+ } else {
+ return kFALSE;
+ }
+ }
+ } else { // no cluster in this layer
+ if (skip==1) {
+ modstatus = 3; // skipped
+ } else {
+ modstatus = 5; // no cls in road
+ // check dead
+ dz=AliITSReconstructor::GetRecoParam()->GetNSigmaRoadZ()*
+ TMath::Sqrt(track->GetSigmaZ2() +
+ AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()*
+ AliITSReconstructor::GetRecoParam()->GetNSigmaZLayerForRoadZ()*
+ AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer));
+ zmin=track->GetZ() - dz;
+ zmax=track->GetZ() + dz;
+ Int_t dead = CheckDeadZone(ilayer,idet,zmin,zmax);
+ if (dead==1) modstatus = 7; // holes in z in SPD
+ if (dead==2) modstatus = 2; // dead from OCDB
+ }
}
-
- if (cl) {
- if (!UpdateMI(t,cl,maxchi2,idx)) return kFALSE;
- t->SetSampledEdx(cl->GetQ(),t->GetNumberOfClusters()-1);
+
+ if (clAcc) {
+ if (!UpdateMI(track,clAcc,maxchi2,idx)) return kFALSE;
+ track->SetSampledEdx(clAcc->GetQ(),track->GetNumberOfClusters()-1);
}
-
+ track->SetModuleIndexInfo(ilayer,idet,modstatus,xloc,zloc);
+
+
+ if (extra) { // search for extra clusters in overlapped modules
+ AliITStrackV2 tmp(*track);
+ Double_t dy,ymin,ymax;
+ dz=4*TMath::Sqrt(tmp.GetSigmaZ2()+AliITSReconstructor::GetRecoParam()->GetSigmaZ2(ilayer));
+ if (dz < 0.5*TMath::Abs(tmp.GetTgl())) dz=0.5*TMath::Abs(tmp.GetTgl());
+ dy=4*TMath::Sqrt(track->GetSigmaY2()+AliITSReconstructor::GetRecoParam()->GetSigmaY2(ilayer));
+ if (dy < 0.5*TMath::Abs(tmp.GetSnp())) dy=0.5*TMath::Abs(tmp.GetSnp());
+ zmin=track->GetZ() - dz;
+ zmax=track->GetZ() + dz;
+ ymin=track->GetY() + phi*r - dy;
+ ymax=track->GetY() + phi*r + dy;
+ layer.SelectClusters(zmin,zmax,ymin,ymax);
+
+ const AliITSRecPoint *clExtra=0; Int_t ci=-1,cci=-1;
+ Int_t idetExtra=-1;
+ Double_t maxchi2=1000.*AliITSReconstructor::GetRecoParam()->GetMaxChi2(), tolerance=0.1;
+ while ((clExtra=layer.GetNextCluster(ci))!=0) {
+ // only clusters in another module! (overlaps)
+ idetExtra = clExtra->GetDetectorIndex();
+ if (idet == idetExtra) continue;
+
+ const AliITSdetector &det=layer.GetDetector(idetExtra);
+
+ if (!tmp.Propagate(det.GetPhi(),det.GetR())) continue;
+
+ if (TMath::Abs(tmp.GetZ() - clExtra->GetZ()) > tolerance) continue;
+ if (TMath::Abs(tmp.GetY() - clExtra->GetY()) > tolerance) continue;
+
+ Double_t chi2=tmp.GetPredictedChi2(clExtra);
+ if (chi2<maxchi2) { maxchi2=chi2; cci=ci; }
+ }
+ if (cci>=0) {
+ track->SetExtraCluster(ilayer,(ilayer<<28)+cci);
+ track->SetExtraModule(ilayer,idetExtra);
+ }
+ } // end search for extra clusters in overlapped modules
+
// Correct for material of the current layer
- if(!CorrectForLayerMaterial(t,ilayer,oldGlobXYZ,dir)) return kFALSE;
+ if(!CorrectForLayerMaterial(track,ilayer,oldGlobXYZ,dir)) return kFALSE;
// track time update [SR, GSI 17.02.2003]
- if (t->IsStartedTimeIntegral() && step==1) {
+ if (track->IsStartedTimeIntegral() && step==1) {
Double_t newX, newY, newZ;
- t->GetGlobalXYZat(t->GetX(),newX,newY,newZ);
+ track->GetGlobalXYZat(track->GetX(),newX,newY,newZ);
Double_t dL2 = (oldX-newX)*(oldX-newX) + (oldY-newY)*(oldY-newY) +
(oldZ-newZ)*(oldZ-newZ);
- t->AddTimeStep(TMath::Sqrt(dL2));
+ track->AddTimeStep(TMath::Sqrt(dL2));
}
//
- }
+ } // end loop on layers
+
+ if (!track->PropagateTo(xx,0.,0.)) return kFALSE;
- if (!t->PropagateTo(xx,0.,0.)) return kFALSE;
return kTRUE;
}
//------------------------------------------------------------------------
//------------------------------------------------------------------------
Int_t AliITStrackerMI::GetNearestLayer(const Double_t *xr) const{
//
- //Get nearest upper layer close to the point xr.
+ // Get nearest upper layer close to the point xr.
// rough approximation
//
const Float_t kRadiuses[6]={4,6.5,15.03,24.,38.5,43.7};
}
//------------------------------------------------------------------------
Int_t AliITStrackerMI::CheckDeadZone(/*AliITStrackMI *track,*/
- Int_t ilayer,/*Int_t idet,*/
+ Int_t ilayer,Int_t idet,
Double_t zmin,Double_t zmax/*,Double_t ymin,Double_t ymax*/) const {
//-----------------------------------------------------------------
// This method is used to decide whether to allow a prolongation
- // without clusters, because there is dead zone in the road.
+ // without clusters, because there is a dead zone in the road.
// In this case the return value is > 0:
// return 1: dead zone at z=0,+-7cm in SPD
- // return 2: dead area from the OCDB
+ // return 2: dead area from the OCDB // NOT YET IMPLEMENTED
//-----------------------------------------------------------------
// check dead zones at z=0,+-7cm in the SPD
fSPDdetzcentre[2] - 0.5*AliITSRecoParam::GetSPDdetzlength(),
fSPDdetzcentre[3] - 0.5*AliITSRecoParam::GetSPDdetzlength()};
for (Int_t i=0; i<3; i++)
- if (zmin<zmaxdead[i] && zmax>zmindead[i]) return 1;
-
+ if (zmin<zmaxdead[i] && zmax>zmindead[i]) return 1;
}
- if (AliITSReconstructor::GetRecoParam()->GetUseDeadZonesFromOCDB()) {
- // NOT YET IMPLEMENTED
- // look in OCDB
- //if (deadfromOCDB) return 2;
+ // check dead zones from OCDB
+ if (!AliITSReconstructor::GetRecoParam()->GetUseDeadZonesFromOCDB()) return 0;
+
+ if(idet<0) return 0;
+
+ // look in OCDB (only entire dead modules for the moment)
+ if (ilayer==0 || ilayer==1) { // SPD
+ AliCDBEntry* cdbEntry = AliCDBManager::Instance()->Get("ITS/Calib/SPDDead");
+ if (!cdbEntry) {
+ Error("CheckDeadZone","Cannot get CDB entry for SPD\n");
+ return 0;
+ }
+ TObjArray* spdEntry = (TObjArray*)cdbEntry->GetObject();
+ if (!spdEntry) {
+ Error("CheckDeadZone","Cannot get CDB entry for SPD\n");
+ return 0;
+ }
+ if(ilayer==1) idet += AliITSgeomTGeo::GetNLadders(1)*AliITSgeomTGeo::GetNDetectors(1);
+ //printf("SPD det: %d\n",idet);
+ AliITSCalibrationSPD *calibSPD = (AliITSCalibrationSPD*)spdEntry->At(idet);
+ if (calibSPD->IsBad()) return 2;
+ } else if (ilayer==2 || ilayer==3) { // SDD
+ AliCDBEntry* cdbEntry = AliCDBManager::Instance()->Get("ITS/Calib/CalibSDD");
+ if (!cdbEntry) {
+ Error("CheckDeadZone","Cannot get CDB entry for SDD\n");
+ return 0;
+ }
+ TObjArray* sddEntry = (TObjArray*)cdbEntry->GetObject();
+ if (!sddEntry) {
+ Error("CheckDeadZone","Cannot get CDB entry for SDD\n");
+ return 0;
+ }
+ if(ilayer==3) idet += AliITSgeomTGeo::GetNLadders(3)*AliITSgeomTGeo::GetNDetectors(3);
+ //printf("SDD det: %d\n",idet);
+ AliITSCalibrationSDD *calibSDD = (AliITSCalibrationSDD*)sddEntry->At(idet);
+ if (calibSDD->IsDead()) return 2;
+ } else if (ilayer==4 || ilayer==5) { // SSD
+ } else {
+ Error("CheckDeadZone","Wrong layer number\n");
+ if(ilayer==5) idet += AliITSgeomTGeo::GetNLadders(5)*AliITSgeomTGeo::GetNDetectors(5);
+ return 0;
}
return 0;
}
//------------------------------------------------------------------------
+Bool_t AliITStrackerMI::LocalModuleCoord(Int_t ilayer,Int_t idet,
+ AliITStrackMI *track,
+ Float_t &xloc,Float_t &zloc) const {
+ //-----------------------------------------------------------------
+ // Gives position of track in local module ref. frame
+ //-----------------------------------------------------------------
+
+ xloc=0.;
+ zloc=0.;
+
+ if(idet<0) return kFALSE;
+
+ Int_t ndet=AliITSgeomTGeo::GetNDetectors(ilayer+1); // layers from 1 to 6
+
+ Int_t lad = Int_t(idet/ndet) + 1;
+ Int_t det = idet - (lad-1)*ndet + 1;
+
+ Double_t xyzGlob[3],xyzLoc[3];
+
+ track->GetXYZ(xyzGlob);
+
+ AliITSgeomTGeo::GlobalToLocal(ilayer+1,lad,det,xyzGlob,xyzLoc);
+
+ xloc = (Float_t)xyzLoc[0];
+ zloc = (Float_t)xyzLoc[2];
+
+ return kTRUE;
+}
+//------------------------------------------------------------------------
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff