-//$Id$
+// @(#) $Id$
// Author: Anders Vestbo <mailto:vestbo@fi.uib.no>
-//*-- Copyright © ASV
+//*-- Copyright © ALICE HLT Group
#include "AliL3StandardIncludes.h"
#include <TFile.h>
using namespace std;
#endif
+/** \class AliL3Evaluate
+<pre>
//_____________________________________________________________
// AliL3Evaluate
//
// Evaluation class for tracking. Plots efficiencies etc..
//
-
+</pre>
+*/
ClassImp(AliL3Evaluate)
AliL3Evaluate::AliL3Evaluate(Char_t *datapath,Int_t min_clusters,Int_t minhits,Double_t minpt,Int_t *slice)
{
-
+
if(slice)
{
fMinSlice=slice[0];
fMinSlice=0;
fMaxSlice=35;
}
+ sprintf(fPath,"%s",datapath);
fMaxFalseClusters = 0.1;
fGoodFound = 0;
fGoodGen = 0;
fMinPointsOnTrack = min_clusters;
fMinHitsFromParticle = minhits;
fMinGoodPt = minpt;
+ memset(fClusters,0,36*6*sizeof(AliL3SpacePointData*));
+ fTracks=0;
+ fGoodTracks=0;
+}
+
+void AliL3Evaluate::LoadData(Int_t event,Bool_t sp)
+{
Char_t fname[1024];
AliL3FileHandler *clusterfile[36][6];
for(Int_t s=fMinSlice; s<=fMaxSlice; s++)
{
for(Int_t p=0; p<AliL3Transform::GetNPatches(); p++)
{
+ Int_t patch;
+ if(sp==kTRUE)
+ patch=-1;
+ else
+ patch=p;
+
+ if(fClusters[s][p])
+ delete fClusters[s][p];
fClusters[s][p] = 0;
clusterfile[s][p] = new AliL3FileHandler();
- sprintf(fname,"%s/points_%d_%d.raw",datapath,s,p);
+ if(event<0)
+ sprintf(fname,"%s/points_%d_%d.raw",fPath,s,patch);
+ else
+ sprintf(fname,"%s/points_%d_%d_%d.raw",fPath,event,s,patch);
if(!clusterfile[s][p]->SetBinaryInput(fname))
{
LOG(AliL3Log::kError,"AliL3Evaluation::Setup","File Open")
fClusters[s][p] = (AliL3SpacePointData*)clusterfile[s][p]->Allocate();
clusterfile[s][p]->Binary2Memory(fNcl[s][p],fClusters[s][p]);
clusterfile[s][p]->CloseBinaryInput();
+ if(sp==kTRUE)
+ break;
}
}
-
- sprintf(fname,"%s/tracks.raw",datapath);
+
+ sprintf(fname,"%s/tracks_%d.raw",fPath,event);
AliL3FileHandler *tfile = new AliL3FileHandler();
if(!tfile->SetBinaryInput(fname)){
LOG(AliL3Log::kError,"AliL3Evaluation::Setup","File Open")
<<"Inputfile "<<fname<<" does not exist"<<ENDLOG;
return;
}
+ if(fTracks)
+ delete fTracks;
fTracks = new AliL3TrackArray();
tfile->Binary2TrackArray(fTracks);
tfile->CloseBinaryInput();
cerr<<"AliL3Evaluate::AssignIDs() : You need to compile with the do_mc flag!"<<endl;
return;
#endif
-
+ fGoodFound=0;
fTracks->QSort();
LOG(AliL3Log::kDebug,"AliL3Evaluate::AssignIDs","Track Loop")
<<"Assigning MC id to the found tracks...."<<ENDLOG;
Int_t tID = GetMCTrackLabel(track);
track->SetMCid(tID);
}
- cout<<"Found "<<fGoodFound<<" good tracks "<<endl;
+ //cout<<"Found "<<fGoodFound<<" good tracks "<<endl;
}
Int_t AliL3Evaluate::GetMCTrackLabel(AliL3Track *track){
//Returns the MCtrackID of the belonging clusters.
//If MCLabel < 0, means that track is fake.
- //Fake track means that more than 10 percent of clusters are assigned incorrectly.
+ //Definitions are identical to offline.
+ //Fake track means:
+ // - more than 10 percent of clusters are assigned incorrectly
+ // - more than half of the innermost 10% of clusters were assigned incorrectly.
+
#ifdef do_mc
Int_t num_of_clusters = track->GetNumberOfPoints();
}
//Get the label of the cluster:
-
- lab=abs(points[pos].fTrackID[0]);
- if(lab < 0)
- cout<<"Track had negative id : "<<lab<<" padrow "<<(Int_t)points[pos].fPadRow<<" nhits "<<num_of_clusters<<" pt "<<track->GetPt()<<endl;
-
+ lab=points[pos].fTrackID[0];
+
Int_t j;
for (j=0; j<num_of_clusters; j++)
if (s[j].lab==lab || s[j].max==0) break;
for (i=0; i<num_of_clusters; i++)
if (s[i].max>max) {max=s[i].max; lab=s[i].lab;}
+ if(lab == -1)
+ return -1; //If most clusters is -1, this is a noise track.
+ if(lab < 0)
+ cerr<<"AliL3Evaluate::GetMCTrackLabel : Track label negative :"<<lab<<endl;
+
delete[] s;
for (i=0; i<num_of_clusters; i++)
abs(points[pos].fTrackID[2]) == lab ) max++;
}
+
+ //Check if more than 10% of the clusters were assigned incorrectly:
if (1.-Float_t(max)/num_of_clusters > fMaxFalseClusters)
{
return -lab;
}
-
+ else //Check if at least half of the 10% innermost clusters are assigned correctly.
+ {
+ Int_t tail=Int_t(0.10*num_of_clusters);
+ max=0;
+ for (i=1; i<=tail; i++)
+ {
+ id = hitnum[num_of_clusters - i];
+ Int_t slice = (id>>25) & 0x7f;
+ Int_t patch = (id>>22) & 0x7;
+ UInt_t pos = id&0x3fffff;
+
+ AliL3SpacePointData *points = fClusters[slice][patch];
+ if(lab == abs(points[pos].fTrackID[0]) ||
+ lab == abs(points[pos].fTrackID[1]) ||
+ lab == abs(points[pos].fTrackID[2])) max++;
+ }
+ if (max < Int_t(0.5*tail)) return -lab;
+ }
+
return lab;
#else //If we are running with mc_ids or not
return 0;
}
-void AliL3Evaluate::GetGoodParticles(Char_t *path,Bool_t sector)
+void AliL3Evaluate::GetGoodParticles(Char_t *path,Int_t event,Int_t *padrowrange)
{
//Read the good particles from file. This file should already have been
//generated by macro AliTPCComparison.C.
Char_t filename[1024];
- if(!sector)
+ if(event<0 && !padrowrange)
sprintf(filename,"%s/good_tracks_tpc",path);
+ else if(event>=0 && !padrowrange)
+ sprintf(filename,"%s/good_tracks_tpc_%d",path,event);
else
- sprintf(filename,"%s/good_tracks_tpc_sector",path);//Sectorwise comparison.
+ sprintf(filename,"%s/good_tracks_tpc_%d_%d_%d",path,event,padrowrange[0],padrowrange[1]);
ifstream in(filename);
if(!in)
{
return;
}
Int_t MaxTracks=20000;
+ if(fGoodTracks)
+ delete [] fGoodTracks;
+ fGoodGen=0;
fGoodTracks = new GoodTrack[MaxTracks];
while (in>>fGoodTracks[fGoodGen].label>>fGoodTracks[fGoodGen].code>>
cerr<<"AliL3Evaluate::FillEffHistos : No good tracks"<<endl;
return;
}
- cout<<"Comparing "<<fGoodGen<<" good tracks ..."<<endl;
+ //cout<<"Comparing "<<fGoodGen<<" good tracks ..."<<endl;
for(Int_t i=0; i<fGoodGen; i++)
{
//cout<<"Checking particle "<<i<<endl;
if(TMath::Abs(tracklabel) != fGoodTracks[i].label) continue;
found=1;
- if(tracklabel == fGoodTracks[i].label) {fNFoundTracksPt->Fill(ptg); fNFoundTracksEta->Fill(dipangle);}
- else {fNFakeTracksPt->Fill(ptg); fNFakeTracksEta->Fill(dipangle);}
Float_t pt=track->GetPt();
- fPtRes->Fill((pt-ptg)/ptg*100.);
- fNtuppel->Fill(ptg,pt,nHits);
+ if(tracklabel == fGoodTracks[i].label)
+ {
+ fNFoundTracksPt->Fill(ptg);
+ fNFoundTracksEta->Fill(dipangle);
+ fNtuppel->Fill(ptg,pt,nHits);
+ fPtRes->Fill((pt-ptg)/ptg*100.);
+ }
+ else
+ {
+ fNFakeTracksPt->Fill(ptg);
+ fNFakeTracksEta->Fill(dipangle);
+ }
+ //fPtRes->Fill((pt-ptg)/ptg*100.);
+ //fNtuppel->Fill(ptg,pt,nHits);
break;
}
- if(!found)
- cout<<"Track "<<fGoodTracks[i].label<<" was not found"<<endl;
+ //if(!found)
+ // cout<<"Track "<<fGoodTracks[i].label<<" was not found"<<endl;
}
}
}
}
-void AliL3Evaluate::CalcEffHistos(){
-
+void AliL3Evaluate::CalcEffHistos()
+{
+
Stat_t ngood=fNGoodTracksPt->GetEntries();
Stat_t nfound=fNFoundTracksPt->GetEntries();
Stat_t nfake=fNFakeTracksPt->GetEntries();
-
+
LOG(AliL3Log::kInformational,"AliL3Evaluate::FillEffHistos","Efficiency")
<<AliL3Log::kDec<<"There was "<<ngood<<" generated good tracks"<<ENDLOG;
LOG(AliL3Log::kInformational,"AliL3Evaluate::FillEffHistos","Efficiency")
<<AliL3Log::kDec<<"Integral efficiency is about "<<nfound/ngood*100<<ENDLOG;
LOG(AliL3Log::kInformational,"AliL3Evaluate::FillEffHistos","Efficiency")
<<AliL3Log::kDec<<"Fake tracks relative is about "<<nfake/ngood*100<<ENDLOG;
-
- LOG(AliL3Log::kInformational,"AliL3Evaluate::FillEffHistos","Efficiency")
- <<AliL3Log::kDec<<"Naive efficiency "<<(Double_t)fGoodFound/(Double_t)fGoodGen<<ENDLOG;
+ //LOG(AliL3Log::kInformational,"AliL3Evaluate::FillEffHistos","Efficiency")
+ //<<AliL3Log::kDec<<"Naive efficiency "<<(Double_t)fGoodFound/(Double_t)fGoodGen<<ENDLOG;
-
fNFoundTracksPt->Sumw2(); fNGoodTracksPt->Sumw2();
fTrackEffPt->Divide(fNFoundTracksPt,fNGoodTracksPt,1,1.,"b");
fFakeTrackEffPt->Divide(fNFakeTracksPt,fNGoodTracksPt,1,1.,"b");
fFakeTrackEffPt->SetFillStyle(3013);
fTrackEffPt->SetLineColor(4);
fFakeTrackEffPt->SetFillColor(2);
-
+
fNFoundTracksEta->Sumw2(); fNGoodTracksEta->Sumw2();
fTrackEffEta->Divide(fNFoundTracksEta,fNGoodTracksEta,1,1.,"b");
fFakeTrackEffEta->Divide(fNFakeTracksEta,fNGoodTracksEta,1,1.,"b");
TNtupleD *ntuppel=new TNtupleD("ntuppel","Residuals","residual_trans:residual_long:zHit:pt:dipangle:beta:padrow:nHits");
ntuppel->SetDirectory(0);
+ if(fTracks)
+ delete fTracks;
- for(int f=fMinSlice; f<=fMaxSlice; f++)
+ AliL3FileHandler *tfile = new AliL3FileHandler();
+ char fname[256];
+ sprintf(fname,"%s/tracks_0.raw",datapath);
+ if(!tfile->SetBinaryInput(fname)){
+ LOG(AliL3Log::kError,"AliL3Evaluation::Setup","File Open")
+ <<"Inputfile "<<fname<<" does not exist"<<ENDLOG;
+ return 0;
+ }
+ fTracks = new AliL3TrackArray();
+ tfile->Binary2TrackArray(fTracks);
+ tfile->CloseBinaryInput();
+ delete tfile;
+
+ for(Int_t i=0; i<fTracks->GetNTracks(); i++)
{
- AliL3FileHandler *tfile = new AliL3FileHandler();
- char fname[256];
- sprintf(fname,"%s/tracks_tr_%d_0.raw",datapath,f);
- if(!tfile->SetBinaryInput(fname)){
- LOG(AliL3Log::kError,"AliL3Evaluation::Setup","File Open")
- <<"Inputfile "<<fname<<" does not exist"<<ENDLOG;
- return 0;
- }
- fTracks = new AliL3TrackArray();
- tfile->Binary2TrackArray(fTracks);
- tfile->CloseBinaryInput();
- delete tfile;
- printf("Looking in slice %d\n",f);
- for(Int_t i=0; i<fTracks->GetNTracks(); i++)
+
+ AliL3Track *track = (AliL3Track*)fTracks->GetCheckedTrack(i);
+ if(!track) continue;
+ if(track->GetNHits() < fMinPointsOnTrack) continue;
+
+ track->CalculateHelix();
+ UInt_t *hitnum = track->GetHitNumbers();
+ UInt_t id;
+
+ Float_t xyz[3];
+ Int_t padrow;
+ for(Int_t j=0; j<track->GetNumberOfPoints()-1; j++)
{
+ id = hitnum[j];
+ Int_t slice = (id>>25) & 0x7f;
+ Int_t patch = (id>>22) & 0x7;
+ UInt_t pos = id&0x3fffff;
- AliL3Track *track = (AliL3Track*)fTracks->GetCheckedTrack(i);
- if(!track) continue;
- if(track->GetNHits() < fMinPointsOnTrack) continue;
+ //if(slice!=1) continue;
- track->CalculateHelix();
- UInt_t *hitnum = track->GetHitNumbers();
- UInt_t id;
+ AliL3SpacePointData *points = fClusters[slice][patch];
- Float_t xyz[3];
- Int_t padrow;
- for(Int_t j=0; j<track->GetNumberOfPoints()-1; j++)
+ if(!points)
{
- id = hitnum[j];
- Int_t slice = (id>>25) & 0x7f;
- Int_t patch = (id>>22) & 0x7;
- UInt_t pos = id&0x3fffff;
-
- //if(slice!=1) continue;
-
- AliL3SpacePointData *points = fClusters[slice][patch];
-
- if(!points)
- {
- LOG(AliL3Log::kError,"AliL3Evaluate::CalculateResiduals","Clusterarray")
- <<"No points at slice "<<slice<<" patch "<<patch<<" pos "<<pos<<ENDLOG;
- continue;
- }
- if(pos>=fNcl[slice][patch])
- {
- LOG(AliL3Log::kError,"AliL3Evaluate::CalculateResiduals","Clusterarray")
- <<AliL3Log::kDec<<"ERROR"<<ENDLOG;
- continue;
- }
-
- xyz[0] = points[pos].fX;
- xyz[1] = points[pos].fY;
- xyz[2] = points[pos].fZ;
- padrow = points[pos].fPadRow;
- AliL3Transform::Global2Local(xyz,slice);
-
- Float_t xyz_cross[3];
- track->GetCrossingPoint(padrow,xyz_cross);
- Double_t beta = track->GetCrossingAngle(padrow);
-
- Double_t yres = xyz_cross[1] - xyz[1];
- Double_t zres = xyz_cross[2] - xyz[2];
-
- Double_t dipangle = atan(track->GetTgl());
- ntuppel->Fill(yres,zres,xyz_cross[2],track->GetPt(),dipangle,beta,padrow,track->GetNumberOfPoints());
-
+ LOG(AliL3Log::kError,"AliL3Evaluate::CalculateResiduals","Clusterarray")
+ <<"No points at slice "<<slice<<" patch "<<patch<<" pos "<<pos<<ENDLOG;
+ continue;
}
+ if(pos>=fNcl[slice][patch])
+ {
+ LOG(AliL3Log::kError,"AliL3Evaluate::CalculateResiduals","Clusterarray")
+ <<AliL3Log::kDec<<"ERROR"<<ENDLOG;
+ continue;
+ }
+
+ xyz[0] = points[pos].fX;
+ xyz[1] = points[pos].fY;
+ xyz[2] = points[pos].fZ;
+ padrow = points[pos].fPadRow;
+ AliL3Transform::Global2Local(xyz,slice,kTRUE);
+
+ Float_t angle = 0;
+ AliL3Transform::Local2GlobalAngle(&angle,slice);
+ track->CalculateReferencePoint(angle,AliL3Transform::Row2X(padrow));
+ Float_t xyz_cross[3] = {track->GetPointX(),track->GetPointY(),track->GetPointZ()};
+ AliL3Transform::Global2Local(xyz_cross,slice,kTRUE);
+
+ Double_t beta = track->GetCrossingAngle(padrow,slice);
+
+ Double_t yres = xyz_cross[1] - xyz[1];
+ Double_t zres = xyz_cross[2] - xyz[2];
+
+ Double_t dipangle = atan(track->GetTgl());
+ ntuppel->Fill(yres,zres,xyz_cross[2],track->GetPt(),dipangle,beta,padrow,track->GetNumberOfPoints());
+
}
- if(fTracks)
- delete fTracks;
}
+ if(fTracks)
+ delete fTracks;
+
return ntuppel;
}
-TNtuple *AliL3Evaluate::EvaluatePoints(Char_t *path)
+enum tagprimary {kPrimaryCharged = 0x4000};
+void AliL3Evaluate::EvaluatePoints(Char_t *rootfile,Char_t *exactfile,Char_t *tofile,Int_t nevent,Bool_t offline,Bool_t sp)
{
//Compare points to the exact crossing points of track and padrows.
//The input file to this function, contains the exact clusters calculated
#ifndef do_mc
cerr<<"AliL3Evaluate::EvaluatePoints : Compile with do_mc flag!"<<endl;
- return 0;
+ return;
#else
cout<<"Evaluating points"<<endl;
- TNtuple *ntuppel = new TNtuple("ntuppel","residuals","slice:padrow:resy:resz:zHit:pt");
+ TNtuple *ntuppel = new TNtuple("ntuppel_res","Cluster properties",
+ "slice:padrow:charge:resy:resz:zHit:pt:beta:sigmaY2:sigmaZ2:psigmaY2:psigmaZ2");
ntuppel->SetDirectory(0);
- Char_t filename[1024];
- sprintf(filename,"%s/alirunfile.root",path);
- TFile *exfile = TFile::Open(filename);
+ TNtuple *ntuppel2 = new TNtuple("ntuppel_eff","Efficiency","slice:padrow:nfound:ngen");
+ ntuppel2->SetDirectory(0);
+
+ TFile *exfile = TFile::Open(rootfile);
if(!exfile)
{
- cerr<<"Error opening rootfile "<<filename<<endl;
- return 0;
+ cerr<<"Error opening rootfile "<<rootfile<<endl;
+ return;
}
gAlice = (AliRun*)exfile->Get("gAlice");
if (!gAlice)
{
LOG(AliL3Log::kError,"AliL3Evaluate::InitMC","gAlice")
<<"AliRun object non existing on file"<<ENDLOG;
- return false;
+ return;
}
-
- gAlice->GetEvent(0);
+
AliTPCParam *param = (AliTPCParam*)exfile->Get(AliL3Transform::GetParamName());
- //Get the exact clusters from file:
- AliTPCClustersArray *arr = new AliTPCClustersArray;
- arr->Setup(param);
- arr->SetClusterType("AliComplexCluster");
- char treeName[500];
- sprintf(treeName,"TreeCExact_%s",param->GetTitle());
- Bool_t clusterok = arr->ConnectTree(treeName);//Segment Tree (for offline clusters)
- if(!clusterok) {printf("AliL3Evaluate::EvaluatePoints : Error in clusterloading\n"); return 0;}
-
- cout<<"Entering loop with "<<(Int_t)arr->GetTree()->GetEntries()<<endl;
- for(Int_t i=0; i<arr->GetTree()->GetEntries(); i++)
+ TFile *exact = TFile::Open(exactfile);
+ if(!exact)
{
- //Get the exact clusters for this row:
- Int_t cursec,currow;
- AliSegmentID *s = arr->LoadEntry(i);
- param->AdjustSectorRow(s->GetID(),cursec,currow);
+ cerr<<"AliL3Evaluate::EvaluatePoints : Problems opening file :"<<exactfile<<endl;
+ return;
+ }
+
+ AliTPCClustersArray *arr=0;
+ for(Int_t event=0; event<nevent; event++)
+ {
+ LoadData(event,sp);
+ exfile->cd();
+ if(arr)
+ delete arr;
+ Int_t nparticles = gAlice->GetEvent(event);
+ Int_t nprimaries = 0;//FindPrimaries(nparticles);
+ cout<<"Event "<<event<<" had "<<nparticles<<" particles and "<<nprimaries<<" primaries"<<endl;
+ exact->cd();
- AliTPCClustersRow *ro = (AliTPCClustersRow *)arr->GetRow(cursec,currow);
- TClonesArray *clusters = ro->GetArray();
- int num_of_offline=clusters->GetEntriesFast();
+ //Get the exact clusters from file:
+ AliTPCClustersArray *arr = new AliTPCClustersArray;
+ arr->Setup(param);
+ arr->SetClusterType("AliComplexCluster");
+ char treeName[500];
+ sprintf(treeName,"TreeCExact_%s_%d",param->GetTitle(),event);
+ Bool_t clusterok = arr->ConnectTree(treeName);//Segment Tree (for offline clusters)
+ if(!clusterok) {printf("AliL3Evaluate::EvaluatePoints : Error in clusterloading\n"); return;}
- //Get the found clusters:
- Int_t slice,padrow;
- AliL3Transform::Sector2Slice(slice,padrow,cursec,currow);
- if(slice<fMinSlice || slice>fMaxSlice) continue;
- AliL3SpacePointData *points = fClusters[slice][0];
- if(!points)
+ //cout<<"Entering loop with "<<(Int_t)arr->GetTree()->GetEntries()<<endl;
+ for(Int_t i=0; i<arr->GetTree()->GetEntries(); i++)
{
- cerr<<"AliL3Evaluate::EvalutePoints : Error getting clusters "<<endl;
- return 0;
- }
- printf("Checking slice %d padrow %d with %d clusters\n",slice,padrow,num_of_offline);
- cout<<"There are "<<fNcl[slice][0]<<" clusters here"<<endl;
- for(UInt_t c=0; c<fNcl[slice][0]; c++)
- {
- if((Int_t)points[c].fPadRow!=padrow) continue;
- Float_t xyz_cl[3] = {points[c].fX,points[c].fY,points[c].fZ};
- Float_t xyz_ex[3];
- AliL3Transform::Global2Local(xyz_cl,cursec);
-
+ //Get the exact clusters for this row:
+ Int_t cursec,currow;
+ AliSegmentID *s = arr->LoadEntry(i);
+ param->AdjustSectorRow(s->GetID(),cursec,currow);
+
+ AliTPCClustersRow *ro = (AliTPCClustersRow *)arr->GetRow(cursec,currow);
+ TClonesArray *clusters = ro->GetArray();
+ int num_of_offline=clusters->GetEntriesFast();
+
+ //Get the found clusters:
+ Int_t slice,padrow;
+ AliL3Transform::Sector2Slice(slice,padrow,cursec,currow);
+ if(slice < fMinSlice) continue;
+ if(slice > fMaxSlice) break;
+
+ Int_t patch = AliL3Transform::GetPatch(padrow);
+ if(sp)
+ patch=0;
+ AliL3SpacePointData *points = fClusters[slice][patch];
+ if(!points)
+ continue;
+
+ //cout<<"Slice "<<slice<<" padrow "<<padrow<<" has "<<num_of_offline<<" clusters "<<endl;
+ Int_t clustercount=0;
+ Int_t crosscount=0;
for(Int_t m=0; m<num_of_offline; m++)
{
AliComplexCluster *cluster = (AliComplexCluster *)clusters->UncheckedAt(m);
Int_t mcId = cluster->fTracks[0];
-
+
if(mcId <0) continue;
- TParticle *part = gAlice->Particle(mcId);
- if(points[c].fTrackID[0]!=mcId &&
- points[c].fTrackID[1]!=mcId &&
- points[c].fTrackID[2]!=mcId)
+
+ if(cluster->fY < 1 || cluster->fY > AliL3Transform::GetNPads(padrow) - 2 ||
+ cluster->fX < 1 || cluster->fX > AliL3Transform::GetNTimeBins() - 2)
continue;
-
+
+ Float_t xyz_ex[3];
+
AliL3Transform::Raw2Local(xyz_ex,cursec,currow,cluster->fY,cluster->fX);
//In function AliTPC::Hits2ExactClusters the time offset is not included,
//so we have to substract it again here.
- xyz_ex[2]-=AliL3Transform::GetZOffset();
+ if(slice<18)
+ xyz_ex[2]-=AliL3Transform::GetZOffset();
+ else
+ xyz_ex[2]+=AliL3Transform::GetZOffset();
- Float_t resy = xyz_cl[1] - xyz_ex[1];//cluster->GetY()
- Float_t resz = xyz_cl[2] - xyz_ex[2];//cluster->GetZ()
-
- ntuppel->Fill(slice,padrow,resy,resz,xyz_ex[2],part->Pt());
+ //Outside our cone:
+ if(param->GetPadRowRadii(cursec,currow)<230./250.*fabs(xyz_ex[2]))
+ continue;
+
+ TParticle *part = gAlice->Particle(mcId);
+ crosscount++;
+
+ if(part->Pt() < fMinGoodPt) continue;
+
+ //Dont take secondaries, because in width calculation we assume primaries:
+ //if(!(part->TestBit(kPrimaryCharged))) continue;
+ if(part->GetFirstMother()>=0) continue;
+
+ Int_t tempcount=0;
+ for(UInt_t c=0; c<fNcl[slice][patch]; c++)
+ {
+ if((Int_t)points[c].fPadRow!=padrow) continue;
+ Float_t xyz_cl[3] = {points[c].fX,points[c].fY,points[c].fZ};
+
+ if(!offline)
+ AliL3Transform::Global2Local(xyz_cl,cursec);
+ tempcount++;
+
+ if(points[c].fTrackID[0] != mcId &&
+ points[c].fTrackID[1] != mcId &&
+ points[c].fTrackID[2] != mcId)
+ continue;
+
+ //Residuals:
+ Float_t resy = xyz_cl[1] - xyz_ex[1];
+ Float_t resz = xyz_cl[2] - xyz_ex[2];
+
+ //Cluster shape
+ Int_t charge = (Int_t)points[c].fCharge;
+ Float_t beta = GetCrossingAngle(part,slice,padrow,xyz_ex);
+ Double_t tanl = xyz_ex[2]/sqrt(xyz_ex[0]*xyz_ex[0]+xyz_ex[1]*xyz_ex[1]);
+ Float_t psigmaY2 = AliL3Transform::GetParSigmaY2(padrow,xyz_ex[2],beta);
+ Float_t psigmaZ2 = AliL3Transform::GetParSigmaZ2(padrow,xyz_ex[2],tanl);
+ Float_t sigmaY2 = points[c].fSigmaY2;
+ Float_t sigmaZ2 = points[c].fSigmaZ2;
+ ntuppel->Fill(slice,padrow,charge,resy,resz,xyz_ex[2],part->Pt(),beta,sigmaY2,sigmaZ2,psigmaY2,psigmaZ2);
+ }
+ clustercount=tempcount;
}
- }
- arr->ClearRow(cursec,currow);
+ ntuppel2->Fill(slice,padrow,clustercount,crosscount);
+ arr->ClearRow(cursec,currow);
+ }
}
+ exfile->Close();
+ exact->Close();
- return ntuppel;
+ TFile *ofile = TFile::Open(tofile,"RECREATE");
+ ntuppel->Write();
+ ntuppel2->Write();
+ ofile->Close();
+
#endif
}
-void AliL3Evaluate::GetCFeff(Char_t *outfile)
+void AliL3Evaluate::GetCFeff(Char_t *path,Char_t *outfile,Int_t nevent,Bool_t sp)
{
+ //Evaluate the cluster finder efficiency.
- TNtuple *ntuppel = new TNtuple("ntuppel","Cluster finder efficiency","row:ncrossings:nclusters");
-
- AliTPC *TPC = (AliTPC*)gAlice->GetDetector("TPC");
-
- TPC->SetParam(fParam);
-
- Int_t ver = TPC->IsVersion();
- LOG(AliL3Log::kInformational,"AliL3Evaluate::GetCFeff","TPC version")
- <<"TPC version "<<ver<<" found on file"<<ENDLOG;
+#ifndef do_mc
+ cerr<<"AliL3Evaluate::GetCFeff : Compile with do_mc flag"<<endl;
+ return;
+#else
+ TNtuple *ntuppel = new TNtuple("ntuppel","Cluster finder efficiency","slice:row:ncrossings:nclusters");
+ ntuppel->SetDirectory(0);
- Int_t zero=TPC->GetParam()->GetZeroSup();
+ Char_t filename[1024];
+ sprintf(filename,"%s/alirunfile.root",path);
+ TFile *rfile = TFile::Open(filename);
+ gAlice = (AliRun*)rfile->Get("gAlice");
- Int_t np = gAlice->GetNtrack();
+ AliTPCParam *param = (AliTPCParam*)rfile->Get(AliL3Transform::GetParamName());
+
+ Int_t zero=param->GetZeroSup();
+
+ sprintf(filename,"%s/digitfile.root",path);
+ TFile *dfile = TFile::Open(filename);
- Int_t crossed,recs;
- Int_t *count = new Int_t[np]; //np number of particles.
- Int_t i;
- Float_t xyz[3];
- for (i=0; i<np; i++) count[i]=0;
- for(Int_t sl=fMinSlice; sl<=fMaxSlice; sl++)
+ for(Int_t event=0; event<nevent; event++)
{
- for (i=0; i<=175; i++)
+ LoadData(event,sp);
+ rfile->cd();
+ gAlice->GetEvent(event);
+ Int_t np = gAlice->GetNtrack();
+ cout<<"Processing event "<<event<<" with "<<np<<" particles "<<endl;
+ dfile->cd();
+ sprintf(filename,"TreeD_75x40_100x60_150x60_%d",event);
+ TTree *TD=(TTree*)gDirectory->Get(filename);
+ AliSimDigits da, *digits=&da;
+ TD->GetBranch("Segment")->SetAddress(&digits);
+
+ Int_t crossed=0,recs=0;
+ Int_t *count = new Int_t[np]; //np number of particles.
+ Int_t i;
+ Float_t xyz[3];
+ for (i=0; i<np; i++) count[i]=0;
+
+
+ Int_t sec,row,sl,sr;
+ for(Int_t i=0; i<(Int_t)TD->GetEntries(); i++)
{
- crossed=0;
- recs=0;
- Int_t index = fRowid[sl][i];
- if (!fDigitsTree->GetEvent(index)) continue;
- Int_t sec,row;
- fParam->AdjustSectorRow(fDigits->GetID(),sec,row);
- fDigits->First();
+ crossed=recs=0;
+ if (!TD->GetEvent(i)) continue;
+ param->AdjustSectorRow(digits->GetID(),sec,row);
+ AliL3Transform::Sector2Slice(sl,sr,sec,row);
+ if(sl < fMinSlice) continue;
+ if(sl > fMaxSlice) break;
+ cout<<"Processing slice "<<sl<<" row "<<sr<<endl;
+ digits->First();
do {
- Int_t it=fDigits->CurrentRow(), ip=fDigits->CurrentColumn();
- Short_t dig = fDigits->GetDigit(it,ip);
-
- if(dig<=fParam->GetZeroSup()) continue;
- if(it < fParam->GetMaxTBin()-1 && it > 0)
- if(fDigits->GetDigit(it+1,ip) <= fParam->GetZeroSup()
- && fDigits->GetDigit(it-1,ip) <= fParam->GetZeroSup())
- continue;
+ Int_t it=digits->CurrentRow(), ip=digits->CurrentColumn();
+ Short_t dig = digits->GetDigit(it,ip);
+ if(dig<=param->GetZeroSup()) continue;
AliL3Transform::Raw2Local(xyz,sec,row,ip,it);
- if(fParam->GetPadRowRadii(sec,row)<230./250.*fabs(xyz[2]))
+ if(param->GetPadRowRadii(sec,row)<230./250.*fabs(xyz[2]))
continue;
-
- Int_t idx0=fDigits->GetTrackID(it,ip,0);
- Int_t idx1=fDigits->GetTrackID(it,ip,1);
- Int_t idx2=fDigits->GetTrackID(it,ip,2);
+ Int_t idx0=digits->GetTrackID(it,ip,0);
+ Int_t idx1=digits->GetTrackID(it,ip,1);
+ Int_t idx2=digits->GetTrackID(it,ip,2);
if (idx0>=0 && dig>=zero) count[idx0]+=1;
if (idx1>=0 && dig>=zero) count[idx1]+=1;
if (idx2>=0 && dig>=zero) count[idx2]+=1;
- } while (fDigits->Next());
-
+ } while (digits->Next());
for (Int_t j=0; j<np; j++)
{
+ TParticle *part = gAlice->Particle(j);
+ if(part->Pt() < fMinGoodPt) continue;
+ if(part->GetFirstMother() >= 0) continue;
if (count[j]>1) //at least two digits at this padrow
{
crossed++;
count[j]=0;
}
}
- AliL3SpacePointData *points = fClusters[sl][0];
- for(UInt_t k=0; k<fNcl[sl][0]; k++)
+
+ Int_t patch = AliL3Transform::GetPatch(sr);
+ if(sp==kTRUE)
+ patch=0;
+ AliL3SpacePointData *points = fClusters[sl][patch];
+ if(!points)
+ continue;
+ for(UInt_t k=0; k<fNcl[sl][patch]; k++)
{
- if(points[k].fPadRow!=i) continue;
+ if(points[k].fPadRow!=sr) continue;
recs++;
}
- ntuppel->Fill(i,crossed,recs);
+ ntuppel->Fill(sl,sr,crossed,recs);
}
+ TD->Delete();
+ delete[] count;
}
- delete[] count;
-
TFile *file = TFile::Open(outfile,"RECREATE");
ntuppel->Write();
file->Close();
+ rfile->Close();
+ dfile->Close();
+#endif
+}
+
+Float_t AliL3Evaluate::GetCrossingAngle(TParticle *part,Int_t slice,Int_t padrow,Float_t *xyz)
+{
+ //Calculate the padrow crossing angle of the particle
+
+ Double_t kappa = AliL3Transform::GetBField()*AliL3Transform::GetBFact()/part->Pt();
+
+ Double_t radius = 1/fabs(kappa);
+ if(part->GetPdgCode() > 0) kappa = -kappa;
+
+ Float_t angl[1] = {part->Phi()};
+
+ AliL3Transform::Global2LocalAngle(angl,slice);
+
+ Double_t charge = -1.*kappa;
+
+ Double_t trackPhi0 = angl[0] + charge*0.5*AliL3Transform::Pi()/fabs(charge);
+
+ Double_t x0=0;
+ Double_t y0=0;
+ Double_t xc = x0 - radius * cos(trackPhi0);
+ Double_t yc = y0 - radius * sin(trackPhi0);
+
+ Double_t tangent[2];
+ tangent[0] = -1.*(xyz[1] - yc)/radius;
+ tangent[1] = (xyz[0] - xc)/radius;
+
+ Double_t perp_padrow[2] = {1,0}; //locally in slice
+
+ Double_t cos_beta = fabs(tangent[0]*perp_padrow[0] + tangent[1]*perp_padrow[1]);
+ if(cos_beta > 1) cos_beta=1;
+ return acos(cos_beta);
}
+Int_t AliL3Evaluate::FindPrimaries(Int_t nparticles)
+{
+ // cuts:
+ Double_t vertcut = 0.001;
+ Double_t decacut = 3.;
+ Double_t timecut = 0.;
+ Int_t nprch1=0;
+ TParticle * part = gAlice->Particle(0);
+ Double_t xori = part->Vx();
+ Double_t yori = part->Vy();
+ Double_t zori = part->Vz();
+ for(Int_t iprim = 0; iprim<nparticles; iprim++){ //loop on tracks
+
+ part = gAlice->Particle(iprim);
+ char *xxx=strstr(part->GetName(),"XXX");
+ if(xxx)continue;
+
+ TParticlePDG *ppdg = part->GetPDG();
+ if(TMath::Abs(ppdg->Charge())!=3)continue; // only charged (no quarks)
+
+ Double_t dist=TMath::Sqrt((part->Vx()-xori)*(part->Vx()-xori)+(part->Vy()-yori)*(part->Vy()-yori)+(part->Vz()-zori)*(part->Vz()-zori));
+ if(dist>vertcut)continue; // cut on the vertex
+
+ if(part->T()>timecut)continue;
+
+ Double_t ptot=TMath::Sqrt(part->Px()*part->Px()+part->Py()*part->Py()+part->Pz()*part->Pz());
+ if(ptot==(TMath::Abs(part->Pz())))continue; // no beam particles
+
+ Bool_t prmch = kTRUE; // candidate primary track
+ Int_t fidau=part->GetFirstDaughter(); // cut on daughters
+ Int_t lasdau=0;
+ Int_t ndau=0;
+ if(fidau>=0){
+ lasdau=part->GetLastDaughter();
+ ndau=lasdau-fidau+1;
+ }
+ if(ndau>0){
+ for(Int_t j=fidau;j<=lasdau;j++){
+ TParticle *dau=gAlice->Particle(j);
+ Double_t distd=TMath::Sqrt((dau->Vx()-xori)*(dau->Vx()-xori)+(dau->Vy()-yori)*(dau->Vy()-yori)+(dau->Vz()-zori)*(dau->Vz()-zori));
+ if(distd<decacut)prmch=kFALSE; // eliminate if the decay is near the vertex
+ }
+ }
+
+ if(prmch){
+ nprch1++;
+ part->SetBit(kPrimaryCharged);
+ }
+ }
+
+ return nprch1;
+}