-//$Id$
+// @(#) $Id$
// Author: Anders Vestbo <mailto:vestbo@fi.uib.no>
-//*-- Copyright © ASV
+//*-- Copyright © ALICE HLT Group
+
+#include "AliL3StandardIncludes.h"
-#include "AliL3MemHandler.h"
#include "AliL3Logging.h"
#include "AliL3HoughTransformer.h"
-#include "AliL3Defs.h"
+#include "AliL3MemHandler.h"
#include "AliL3Transform.h"
#include "AliL3DigitData.h"
-#include "AliL3Histogram.h"
+#include "AliL3HistogramAdaptive.h"
+
+#if GCCVERSION == 3
+using namespace std;
+#endif
//_____________________________________________________________
// AliL3HoughTransformer
AliL3HoughTransformer::AliL3HoughTransformer()
{
//Default constructor
-
+ fParamSpace = 0;
+ fDoMC = kFALSE;;
+ fEtaOverlap=kFALSE;
+#ifdef do_mc
+ fTrackID = 0;
+#endif
}
-AliL3HoughTransformer::AliL3HoughTransformer(Int_t slice,Int_t patch,Int_t n_eta_segments)
+AliL3HoughTransformer::AliL3HoughTransformer(Int_t slice,Int_t patch,Int_t n_eta_segments,Bool_t DoEtaOverlap,Bool_t DoMC) : AliL3HoughBaseTransformer(slice,patch,n_eta_segments)
{
//Normal constructor
-
- fSlice = slice;
- fPatch = patch;
- fNEtaSegments = n_eta_segments;
- fEtaMin = 0;
- fEtaMax = fSlice < 18 ? 0.9 : -0.9;
- fTransform = new AliL3Transform();
- fThreshold = 0;
- fNDigitRowData=0;
- fDigitRowData=0;
+ fParamSpace = 0;
+ fDoMC = kFALSE;
+ fEtaOverlap = DoEtaOverlap;
+ fDoMC=kFALSE;
+ if(DoMC==kTRUE)
+ {
+ if(patch==0)
+ fDoMC = kTRUE;
+ else
+ fDoMC = kFALSE;
+ }
+#ifdef do_mc
+ fTrackID = 0;
+#endif
}
AliL3HoughTransformer::~AliL3HoughTransformer()
{
- if(fTransform)
- delete fTransform;
DeleteHistograms();
+#ifdef do_mc
+ if(fTrackID)
+ {
+ for(Int_t i=0; i<GetNEtaSegments(); i++)
+ {
+ if(!fTrackID[i]) continue;
+ delete fTrackID[i];
+ }
+ delete [] fTrackID;
+ }
+#endif
}
void AliL3HoughTransformer::DeleteHistograms()
{
if(!fParamSpace)
return;
- for(Int_t i=0; i<fNEtaSegments; i++)
+ for(Int_t i=0; i<GetNEtaSegments(); i++)
{
if(!fParamSpace[i]) continue;
delete fParamSpace[i];
//phi_min = mimimum phi0 (degrees)
//phi_max = maximum phi0 (degrees)
- Double_t bfact = 0.0029980;
- Double_t bfield = 0.2;
- Double_t x = bfact*bfield/pt_min;
- CreateHistograms(nxbin,-1.*x,x,nybin,phimin*ToRad,phimax*ToRad);
+ Double_t x = AliL3Transform::GetBFact()*AliL3Transform::GetBField()/pt_min;
+ Double_t torad = AliL3Transform::Pi()/180;
+ CreateHistograms(nxbin,-1.*x,x,nybin,phimin*torad,phimax*torad);
}
void AliL3HoughTransformer::CreateHistograms(Int_t nxbin,Double_t xmin,Double_t xmax,
Int_t nybin,Double_t ymin,Double_t ymax)
{
- fParamSpace = new AliL3Histogram*[fNEtaSegments];
+ fParamSpace = new AliL3Histogram*[GetNEtaSegments()];
Char_t histname[256];
- for(Int_t i=0; i<fNEtaSegments; i++)
+ for(Int_t i=0; i<GetNEtaSegments(); i++)
{
sprintf(histname,"paramspace_%d",i);
+ //fParamSpace[i] = new AliL3HistogramAdaptive(histname,0.1,1.5,0.05,nybin,ymin,ymax);
fParamSpace[i] = new AliL3Histogram(histname,"",nxbin,xmin,xmax,nybin,ymin,ymax);
}
+
+#ifdef do_mc
+ if(fDoMC)
+ {
+ AliL3Histogram *hist = fParamSpace[0];
+ Int_t ncells = (hist->GetNbinsX()+2)*(hist->GetNbinsY()+2);
+ cout<<"Transformer: Allocating "<<GetNEtaSegments()*ncells*sizeof(TrackIndex)<<" bytes to fTrackID"<<endl;
+ fTrackID = new TrackIndex*[GetNEtaSegments()];
+ for(Int_t i=0; i<GetNEtaSegments(); i++)
+ fTrackID[i] = new TrackIndex[ncells];
+ }
+#endif
}
void AliL3HoughTransformer::Reset()
return;
}
- for(Int_t i=0; i<fNEtaSegments; i++)
+ for(Int_t i=0; i<GetNEtaSegments(); i++)
fParamSpace[i]->Reset();
+#ifdef do_mc
+ if(fDoMC)
+ {
+ AliL3Histogram *hist = fParamSpace[0];
+ Int_t ncells = (hist->GetNbinsX()+2)*(hist->GetNbinsY()+2);
+ for(Int_t i=0; i<GetNEtaSegments(); i++)
+ memset(fTrackID[i],0,ncells*sizeof(TrackIndex));
+ }
+#endif
}
-void AliL3HoughTransformer::SetInputData(UInt_t ndigits,AliL3DigitRowData *ptr)
+Int_t AliL3HoughTransformer::GetEtaIndex(Double_t eta)
{
- //Give the pointer to the data.
+ //Return the histogram index of the corresponding eta.
+
+ Double_t etaslice = (GetEtaMax() - GetEtaMin())/GetNEtaSegments();
+ Double_t index = (eta-GetEtaMin())/etaslice;
+ return (Int_t)index;
+}
+
+void AliL3HoughTransformer::GetEtaIndexes(Double_t eta,Int_t *indexes)
+{
+ //Return histogram indexes in case of overlapping etaslices.
- fNDigitRowData = ndigits;
- fDigitRowData = ptr;
+ Double_t etaslice = (GetEtaMax() - GetEtaMin())/GetNEtaSegments();
+ Int_t index = (Int_t)((eta-GetEtaMin())/etaslice);
+ if(index%2 == 0)
+ {
+ indexes[0] = index;
+ indexes[1] = index - 1;
+ }
+ else
+ {
+ indexes[0] = index - 1;
+ indexes[1] = index;
+ }
}
-Int_t AliL3HoughTransformer::GetEtaIndex(Double_t eta)
+inline AliL3Histogram *AliL3HoughTransformer::GetHistogram(Int_t eta_index)
{
- //Return the histogram index of the corresponding eta.
+ if(!fParamSpace || eta_index >= GetNEtaSegments() || eta_index < 0)
+ return 0;
+ if(!fParamSpace[eta_index])
+ return 0;
+ return fParamSpace[eta_index];
+}
- Double_t etaslice = (fEtaMax - fEtaMin)/fNEtaSegments;
- Double_t index = (eta-fEtaMin)/etaslice;
- return (Int_t)index;
+Double_t AliL3HoughTransformer::GetEta(Int_t eta_index,Int_t slice)
+{
+ Double_t eta_slice = (GetEtaMax()-GetEtaMin())/GetNEtaSegments();
+ Double_t eta=0;
+ if(fEtaOverlap)
+ {
+ Int_t index = eta_index + 1;
+ eta=(Double_t)((index)*eta_slice);
+ }
+ else
+ eta=(Double_t)((eta_index+0.5)*eta_slice);
+ return eta;
}
+
void AliL3HoughTransformer::TransformCircle()
{
//Transform the input data with a circle HT.
//where R = sqrt(x*x +y*y), and phi = arctan(y/x)
//
//Each pixel then transforms into a curve in the (kappa,phi0)-space. In order to find
- //which histogram in which the pixel should be transformed, the eta-value is calcluated
+ //which histogram in which the pixel should be transformed, the eta-value is calculated
//and the proper histogram index is found by GetEtaIndex(eta).
- AliL3DigitRowData *tempPt = (AliL3DigitRowData*)fDigitRowData;
- if(!tempPt || fNDigitRowData==0)
+ AliL3DigitRowData *tempPt = GetDataPointer();
+ if(!tempPt)
{
- printf("\nAliL3HoughTransformer::TransformCircle : No input data!!!\n\n");
+ LOG(AliL3Log::kError,"AliL3HoughTransformer::TransformCircle","Data")
+ <<"No input data "<<ENDLOG;
return;
}
//Loop over the padrows:
- for(Int_t i=NRows[fPatch][0]; i<=NRows[fPatch][1]; i++)
+ for(Int_t i=AliL3Transform::GetFirstRow(GetPatch()); i<=AliL3Transform::GetLastRow(GetPatch()); i++)
{
//Get the data on this padrow:
AliL3DigitData *digPt = tempPt->fDigitData;
if(i != (Int_t)tempPt->fRow)
{
- printf("AliL3HoughTransform::TransformCircle : Mismatching padrow numbering\n");
+ cerr<<"AliL3HoughTransform::TransformCircle : Mismatching padrow numbering "<<i<<" "<<(Int_t)tempPt->fRow<<endl;
continue;
}
UShort_t charge = digPt[j].fCharge;
UChar_t pad = digPt[j].fPad;
UShort_t time = digPt[j].fTime;
- if(charge <= fThreshold)
+ if((Int_t)charge <= GetLowerThreshold() || (Int_t)charge > GetUpperThreshold())
continue;
+
Int_t sector,row;
Float_t xyz[3];
-
+
//Transform data to local cartesian coordinates:
- fTransform->Slice2Sector(fSlice,i,sector,row);
- fTransform->Raw2Local(xyz,sector,row,(Int_t)pad,(Int_t)time);
-
+ AliL3Transform::Slice2Sector(GetSlice(),i,sector,row);
+ AliL3Transform::Raw2Local(xyz,sector,row,(Int_t)pad,(Int_t)time);
+
//Calculate the eta:
- Double_t eta = fTransform->GetEta(xyz);
+ Double_t eta = AliL3Transform::GetEta(xyz);
//Get the corresponding index, which determines which histogram to fill:
- Int_t eta_index = GetEtaIndex(eta);//(Int_t)((eta-fEtaMin)/etaslice);
- if(eta_index < 0 || eta_index >= fNEtaSegments)
+ Int_t eta_index = GetEtaIndex(eta);
+
+ if(eta_index < 0 || eta_index >= GetNEtaSegments())
continue;
//Get the correct histogrampointer:
AliL3Histogram *hist = fParamSpace[eta_index];
if(!hist)
{
- printf("AliL3HoughTransformer::TransformCircle : Error getting histogram in index %d\n",eta_index);
+ cerr<<"AliL3HoughTransformer::TransformCircle : Error getting histogram in index "<<eta_index<<endl;
continue;
}
-
+
//Do the transformation:
Float_t R = sqrt(xyz[0]*xyz[0] + xyz[1]*xyz[1]);
- Float_t phi = fTransform->GetPhi(xyz);
+ Float_t phi = AliL3Transform::GetPhi(xyz);
//Fill the histogram along the phirange
for(Int_t b=hist->GetFirstYbin(); b<=hist->GetLastYbin(); b++)
Float_t phi0 = hist->GetBinCenterY(b);
Float_t kappa = 2*sin(phi - phi0)/R;
hist->Fill(kappa,phi0,charge);
+ //hist->Fill(kappa,phi0,1);
+#ifdef do_mc
+ if(fDoMC)
+ {
+ Int_t bin = hist->FindBin(kappa,phi0);
+ for(Int_t t=0; t<3; t++)
+ {
+ Int_t label = digPt[j].fTrackID[t];
+ if(label < 0) break;
+ UInt_t c;
+ for(c=0; c<MaxTrack; c++)
+ if(fTrackID[eta_index][bin].fLabel[c] == label || fTrackID[eta_index][bin].fNHits[c] == 0)
+ break;
+ if(c == MaxTrack-1) cerr<<"AliL3HoughTransformer::TransformCircle : Array reached maximum!! "<<c<<endl;
+ fTrackID[eta_index][bin].fLabel[c] = label;
+ fTrackID[eta_index][bin].fNHits[c]++;
+ }
+ }
+#endif
}
}
}
}
-void AliL3HoughTransformer::TransformCircleC(Int_t row_range)
+
+struct Digit {
+ Int_t row;
+ Double_t r;
+ Double_t phi;
+ Int_t charge;
+ Digit *next;
+};
+struct EtaContainer {
+ Digit *first;
+ Digit *last;
+};
+void AliL3HoughTransformer::TransformCircleC(Int_t *row_range,Int_t every)
{
//Circle transform, using combinations of every 2 points lying
//on different padrows and within the same etaslice.
- AliL3DigitRowData *tempPt = (AliL3DigitRowData*)fDigitRowData;
+ AliL3DigitRowData *tempPt = GetDataPointer();
if(!tempPt)
- printf("\nAliL3HoughTransformer::TransformCircleC() : Zero data pointer\n");
+ LOG(AliL3Log::kError,"AliL3HoughTransformer::TransformCircleC","Data")
+ <<"No input data "<<ENDLOG;
+ Int_t minrow = AliL3Transform::GetFirstRow(GetPatch());
+ Int_t maxrow = AliL3Transform::GetLastRow(GetPatch());
+ if(row_range)
+ {
+ minrow = row_range[0];
+ maxrow = row_range[1];
+ if(minrow < AliL3Transform::GetFirstRow(GetPatch()) || minrow >= AliL3Transform::GetLastRow(GetPatch()))
+ minrow = AliL3Transform::GetFirstRow(GetPatch());
+ if(maxrow < AliL3Transform::GetFirstRow(GetPatch()) || maxrow >= AliL3Transform::GetLastRow(GetPatch()))
+ maxrow = AliL3Transform::GetLastRow(GetPatch());
+ if(minrow > maxrow || maxrow==minrow)
+ {
+ cerr<<"AliL3HoughTransformer::TransformCircleC : Bad row range "<<minrow<<" "<<maxrow<<endl;
+ return;
+ }
+ }
+ else
+ {
+ minrow = AliL3Transform::GetFirstRow(GetPatch());
+ maxrow = AliL3Transform::GetLastRow(GetPatch());
+ }
+
Int_t counter=0;
- for(Int_t i=NRows[fPatch][0]; i<=NRows[fPatch][1]; i++)
+ for(Int_t i=AliL3Transform::GetFirstRow(GetPatch()); i<=AliL3Transform::GetLastRow(GetPatch()); i++)
{
counter += tempPt->fNDigit;
AliL3MemHandler::UpdateRowPointer(tempPt);
}
- struct Digit {
- Int_t row;
- Double_t r;
- Double_t phi;
- Int_t eta_index;
- Int_t charge;
- };
+ Int_t bound = (GetNEtaSegments()+1)*(AliL3Transform::GetNRows(GetPatch())+1);
+ EtaContainer *etaPt = new EtaContainer[bound];
+ memset(etaPt,0,bound*sizeof(EtaContainer));
Digit *digits = new Digit[counter];
cout<<"Allocating "<<counter*sizeof(Digit)<<" bytes to digitsarray"<<endl;
-
- Int_t total_digits=counter;
+ memset(digits,0,counter*sizeof(Digit));
+
Int_t sector,row,tot_charge,pad,time,charge;
Double_t r1,r2,phi1,phi2,eta,kappa,phi_0;
Float_t xyz[3];
counter=0;
- tempPt = (AliL3DigitRowData*)fDigitRowData;
+ tempPt = GetDataPointer();
- for(Int_t i=NRows[fPatch][0]; i<=NRows[fPatch][1]; i++)
+ cout<<"Calculating digits in patch "<<GetPatch()<<endl;
+ for(Int_t i=AliL3Transform::GetFirstRow(GetPatch()); i<=AliL3Transform::GetLastRow(GetPatch()); i++)
{
AliL3DigitData *digPt = tempPt->fDigitData;
for(UInt_t di=0; di<tempPt->fNDigit; di++)
charge = digPt[di].fCharge;
pad = digPt[di].fPad;
time = digPt[di].fTime;
- fTransform->Slice2Sector(fSlice,i,sector,row);
- fTransform->Raw2Local(xyz,sector,row,(Int_t)pad,(Int_t)time);
- eta = fTransform->GetEta(xyz);
+ AliL3Transform::Slice2Sector(GetSlice(),i,sector,row);
+ AliL3Transform::Raw2Local(xyz,sector,row,(Int_t)pad,(Int_t)time);
+ eta = AliL3Transform::GetEta(xyz);
+
digits[counter].row = i;
digits[counter].r = sqrt(xyz[0]*xyz[0] + xyz[1]*xyz[1]);
digits[counter].phi = atan2(xyz[1],xyz[0]);
- digits[counter].eta_index = GetEtaIndex(eta);
digits[counter].charge = charge;
+
+ if(!fEtaOverlap)
+ {
+ Int_t eta_index = GetEtaIndex(eta);
+
+ Int_t index = (GetNEtaSegments()+1)*(i-AliL3Transform::GetFirstRow(GetPatch())) + eta_index;
+
+ if(index > 0 && index < bound)
+ {
+ if(etaPt[index].first == 0)
+ etaPt[index].first = &digits[counter];
+ else
+ (etaPt[index].last)->next = &digits[counter];
+ etaPt[index].last = &digits[counter];
+ }
+ }
+ else
+ {
+ Int_t eta_index[2];
+ GetEtaIndexes(eta,eta_index);
+ Int_t index[2];
+ index[0] = (GetNEtaSegments()+1)*(i-AliL3Transform::GetFirstRow(GetPatch())) + eta_index[0];
+ index[1] = (GetNEtaSegments()+1)*(i-AliL3Transform::GetFirstRow(GetPatch())) + eta_index[1];
+ if(index[0] == index[1])
+ {
+ cerr<<"Same etaindexes "<<index[0]<<" "<<index[1]<<endl;
+ exit(5);
+ }
+
+ Int_t ind = index[0];
+ if(ind > 0 && ind < bound)
+ {
+ if(etaPt[ind].first == 0)
+ etaPt[ind].first = &digits[counter];
+ else
+ (etaPt[ind].last)->next = &digits[counter];
+ etaPt[ind].last = &digits[counter];
+ }
+
+ ind = index[1];
+ if(ind > 0 && ind < bound)
+ {
+ if(etaPt[ind].first == 0)
+ etaPt[ind].first = &digits[counter];
+ else
+ (etaPt[ind].last)->next = &digits[counter];
+ etaPt[ind].last = &digits[counter];
+ }
+ }
+
counter++;
}
AliL3MemHandler::UpdateRowPointer(tempPt);
}
- for(Int_t i=0; i<total_digits; i++)
+ cout<<"Doing the combinatorics"<<endl;
+
+ Digit *dPt1,*dPt2;
+
+ for(Int_t e=0; e<GetNEtaSegments(); e++)
{
- if(digits[i].eta_index < 0 || digits[i].eta_index >= fNEtaSegments) continue;
- Int_t ind = digits[i].eta_index;
-
- for(Int_t j=i+1; j<total_digits; j++)
+ for(Int_t i=minrow; i<=maxrow; i+=every)
{
- if(digits[i].row == digits[j].row) continue;
- if(digits[i].eta_index != digits[j].eta_index) continue;
- if(digits[i].row + row_range < digits[j].row) break;
+ Int_t index1 = (GetNEtaSegments()+1)*(i-AliL3Transform::GetFirstRow(GetPatch())) + e;
- //Get the correct histogrampointer:
- AliL3Histogram *hist = fParamSpace[ind];
- if(!hist)
+ for(dPt1 = (Digit*)etaPt[index1].first; dPt1 != 0; dPt1 = (Digit*)dPt1->next)
{
- printf("AliL3HoughTransformer::TransformCircleC() : No histogram at index %d\n",ind);
- continue;
+ for(Int_t j=i+every; j<=maxrow; j+=every)
+ {
+ Int_t index2 = (GetNEtaSegments()+1)*(j-AliL3Transform::GetFirstRow(GetPatch())) + e;
+
+ for(dPt2 = (Digit*)etaPt[index2].first; dPt2 != 0; dPt2 = (Digit*)dPt2->next)
+ {
+ if(dPt1->row == dPt2->row)
+ {
+ cerr<<"same row; indexes "<<index1<<" "<<index2<<endl;
+ exit(5);
+ }
+
+ //Get the correct histogrampointer:
+ AliL3Histogram *hist = fParamSpace[e];
+ if(!hist)
+ {
+ printf("AliL3HoughTransformer::TransformCircleC() : No histogram at index %d\n",i);
+ continue;
+ }
+
+ //Do the transform:
+ r1 = dPt1->r;
+ phi1 = dPt1->phi;
+ r2 = dPt2->r;
+ phi2 = dPt2->phi;
+ phi_0 = atan( (r2*sin(phi1)-r1*sin(phi2))/(r2*cos(phi1)-r1*cos(phi2)) );
+ kappa = 2*sin(phi2-phi_0)/r2;
+ tot_charge = dPt1->charge + dPt2->charge;
+ hist->Fill(kappa,phi_0,tot_charge);
+
+ }
+ }
}
-
- r1 = digits[i].r;
- phi1 = digits[i].phi;
- r2 = digits[j].r;
- phi2 = digits[j].phi;
- phi_0 = atan( (r2*sin(phi1)-r1*sin(phi2))/(r2*cos(phi1)-r1*cos(phi2)) );
- kappa = 2*sin(phi2-phi_0)/r2;
- tot_charge = digits[i].charge + digits[j].charge;
- hist->Fill(kappa,phi_0,tot_charge);
}
}
+
+ cout<<"done"<<endl;
+ delete [] etaPt;
delete [] digits;
+
}
-void AliL3HoughTransformer::TransformLine()
+void AliL3HoughTransformer::TransformLine(Int_t *row_range,Float_t *phirange)
{
//Do a line transform on the data.
-
- AliL3DigitRowData *tempPt = (AliL3DigitRowData*)fDigitRowData;
- if(!tempPt || fNDigitRowData==0)
+
+ AliL3DigitRowData *tempPt = GetDataPointer();
+ if(!tempPt)
{
- printf("\nAliL3HoughTransformer::TransformLine : No input data!!!\n\n");
+ LOG(AliL3Log::kError,"AliL3HoughTransformer::TransformLine","Data")
+ <<"No input data "<<ENDLOG;
return;
}
- //Double_t etaslice = (fEtaMax - fEtaMin)/fNEtaSegments;
- for(Int_t i=NRows[fPatch][0]; i<=NRows[fPatch][1]; i++)
+ Int_t minrow = AliL3Transform::GetFirstRow(GetPatch());
+ Int_t maxrow = AliL3Transform::GetLastRow(GetPatch());
+ if(row_range)
+ {
+ minrow = row_range[0];
+ maxrow = row_range[1];
+ if(minrow < AliL3Transform::GetFirstRow(GetPatch()) || minrow >= AliL3Transform::GetLastRow(GetPatch()))
+ minrow = AliL3Transform::GetFirstRow(GetPatch());
+ if(maxrow < AliL3Transform::GetFirstRow(GetPatch()) || maxrow >= AliL3Transform::GetLastRow(GetPatch()))
+ maxrow = AliL3Transform::GetLastRow(GetPatch());
+ if(minrow > maxrow || maxrow==minrow)
+ {
+ cerr<<"AliL3HoughTransformer::TransformCircleC : Bad row range "<<minrow<<" "<<maxrow<<endl;
+ return;
+ }
+ }
+
+ for(Int_t i=minrow; i<=maxrow; i++)
{
AliL3DigitData *digPt = tempPt->fDigitData;
if(i != (Int_t)tempPt->fRow)
UShort_t charge = digPt[j].fCharge;
UChar_t pad = digPt[j].fPad;
UShort_t time = digPt[j].fTime;
- if(charge < fThreshold)
+ if(charge < GetLowerThreshold())
continue;
Int_t sector,row;
Float_t xyz[3];
- fTransform->Slice2Sector(fSlice,i,sector,row);
- fTransform->Raw2Local(xyz,sector,row,(Int_t)pad,(Int_t)time);
- Float_t eta = fTransform->GetEta(xyz);
+ AliL3Transform::Slice2Sector(GetSlice(),i,sector,row);
+ AliL3Transform::Raw2Local(xyz,sector,row,(Int_t)pad,(Int_t)time);
+
+ if(phirange)
+ {
+ Float_t phi = AliL3Transform::GetPhi(xyz);
+ if(phi < phirange[0] || phi > phirange[1])
+ continue;
+ }
+ Float_t eta = AliL3Transform::GetEta(xyz);
Int_t eta_index = GetEtaIndex(eta);//(Int_t)(eta/etaslice);
- if(eta_index < 0 || eta_index >= fNEtaSegments)
+ if(eta_index < 0 || eta_index >= GetNEtaSegments())
continue;
+ xyz[0] = xyz[0] - AliL3Transform::Row2X(minrow);
+
//Get the correct histogram:
AliL3Histogram *hist = fParamSpace[eta_index];
if(!hist)
}
}
+
+struct LDigit {
+ Int_t row;
+ Int_t charge;
+ Float_t y;
+ LDigit *next;
+};
+struct LEtaContainer {
+ LDigit *first;
+ LDigit *last;
+};
+void AliL3HoughTransformer::TransformLineC(Int_t *rowrange,Float_t *phirange)
+{
+ AliL3DigitRowData *tempPt = GetDataPointer();
+ if(!tempPt)
+ LOG(AliL3Log::kError,"AliL3HoughTransformer::TransformCircleC","Data")
+ <<"No input data "<<ENDLOG;
+
+
+ Int_t counter=0;
+ for(Int_t i=AliL3Transform::GetFirstRow(GetPatch()); i<=AliL3Transform::GetLastRow(GetPatch()); i++)
+ {
+ counter += tempPt->fNDigit;
+ AliL3MemHandler::UpdateRowPointer(tempPt);
+ }
+
+ Int_t bound = (GetNEtaSegments()+1)*(AliL3Transform::GetNRows(GetPatch())+1);
+ LEtaContainer *etaPt = new LEtaContainer[bound];
+ memset(etaPt,0,bound*sizeof(LEtaContainer));
+
+ LDigit *digits = new LDigit[counter];
+ cout<<"Allocating "<<counter*sizeof(LDigit)<<" bytes to digitsarray"<<endl;
+ memset(digits,0,counter*sizeof(LDigit));
+
+ Int_t sector,row;
+ Float_t xyz[3];
+
+ counter=0;
+ tempPt = GetDataPointer();
+
+ cout<<"Calculating digits in patch "<<GetPatch()<<endl;
+ for(Int_t i=AliL3Transform::GetFirstRow(GetPatch()); i<=AliL3Transform::GetLastRow(GetPatch()); i++)
+ {
+ AliL3DigitData *digPt = tempPt->fDigitData;
+ for(UInt_t di=0; di<tempPt->fNDigit; di++)
+ {
+ Int_t charge = digPt[di].fCharge;
+ Int_t pad = digPt[di].fPad;
+ Int_t time = digPt[di].fTime;
+ AliL3Transform::Slice2Sector(GetSlice(),i,sector,row);
+ AliL3Transform::Raw2Local(xyz,sector,row,(Int_t)pad,(Int_t)time);
+ Double_t eta = AliL3Transform::GetEta(xyz);
+
+ Float_t phi = atan2(xyz[1],xyz[0]);
+ if(phi < phirange[0] || phi > phirange[1]) continue;
+
+ digits[counter].row = i;
+ digits[counter].y = xyz[1];
+ digits[counter].charge = charge;
+
+ Int_t eta_index = GetEtaIndex(eta);
+ Int_t index = (GetNEtaSegments()+1)*(i-AliL3Transform::GetFirstRow(GetPatch())) + eta_index;
+
+ if(index > 0 && index < bound)
+ {
+ if(etaPt[index].first == 0)
+ etaPt[index].first = &digits[counter];
+ else
+ (etaPt[index].last)->next = &digits[counter];
+ etaPt[index].last = &digits[counter];
+ }
+ counter++;
+ }
+ AliL3MemHandler::UpdateRowPointer(tempPt);
+ }
+
+ cout<<"Doing the combinatorics"<<endl;
+
+ LDigit *dPt1,*dPt2;
+
+ for(Int_t e=0; e<GetNEtaSegments(); e++)
+ {
+ for(Int_t i=rowrange[0]; i<=rowrange[1]; i++)
+ {
+ Int_t index1 = (GetNEtaSegments()+1)*(i-AliL3Transform::GetFirstRow(GetPatch())) + e;
+
+ for(dPt1 = (LDigit*)etaPt[index1].first; dPt1 != 0; dPt1 = (LDigit*)dPt1->next)
+ {
+ for(Int_t j=i+1; j<=rowrange[1]; j++)
+ {
+ Int_t index2 = (GetNEtaSegments()+1)*(j-AliL3Transform::GetFirstRow(GetPatch())) + e;
+
+ for(dPt2 = (LDigit*)etaPt[index2].first; dPt2 != 0; dPt2 = (LDigit*)dPt2->next)
+ {
+ if(dPt1->row == dPt2->row)
+ {
+ cerr<<"same row; indexes "<<index1<<" "<<index2<<endl;
+ exit(5);
+ }
+
+ //Get the correct histogrampointer:
+ AliL3Histogram *hist = fParamSpace[e];
+ if(!hist)
+ {
+ printf("AliL3HoughTransformer::TransformCircleC() : No histogram at index %d\n",i);
+ continue;
+ }
+
+ //Do the transform:
+ float x1 = AliL3Transform::Row2X(dPt1->row) - AliL3Transform::Row2X(rowrange[0]);
+ float x2 = AliL3Transform::Row2X(dPt2->row) - AliL3Transform::Row2X(rowrange[0]);
+ float y1 = dPt1->y;
+ float y2 = dPt2->y;
+ float theta = atan2(x2-x1,y1-y2);
+ float rho = x1*cos(theta)+y1*sin(theta);
+ hist->Fill(theta,rho,1);//dPt1->charge+dPt2->charge);
+ }
+ }
+ }
+ }
+ }
+
+ cout<<"done"<<endl;
+ delete [] etaPt;
+ delete [] digits;
+}
+
+Int_t AliL3HoughTransformer::GetTrackID(Int_t eta_index,Double_t kappa,Double_t psi)
+{
+ if(!fDoMC)
+ {
+ cerr<<"AliL3HoughTransformer::GetTrackID : Flag switched off"<<endl;
+ return -1;
+ }
+
+#ifdef do_mc
+ if(eta_index < 0 || eta_index > GetNEtaSegments())
+ {
+ cerr<<"AliL3HoughTransformer::GetTrackID : Wrong etaindex "<<eta_index<<endl;
+ return -1;
+ }
+ AliL3Histogram *hist = fParamSpace[eta_index];
+ Int_t bin = hist->FindBin(kappa,psi);
+ Int_t label=-1;
+ Int_t max=0;
+ for(UInt_t i=0; i<MaxTrack; i++)
+ {
+ Int_t nhits=fTrackID[eta_index][bin].fNHits[i];
+ if(nhits == 0) break;
+ if(nhits > max)
+ {
+ max = nhits;
+ label = fTrackID[eta_index][bin].fLabel[i];
+ }
+ }
+ //nhits = max;
+ return label;
+#endif
+ cout<<"AliL3HoughTransformer::GetTrackID : Compile with do_mc flag!"<<endl;
+ return -1;
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff