#include <TCanvas.h>
#include <TFile.h>
+#include "AliL3Logging.h"
#include "AliL3Histogram.h"
#include "AliL3Hough.h"
#include "AliL3HoughTransformer.h"
AliL3Hough::AliL3Hough()
{
-
-
+ fBinary = kFALSE;
+ fNEtaSegments = 0;
+ fAddHistograms = kFALSE;
+ fRemoveFoundTracks = kFALSE;
+ fWriteDigits=kFALSE;
}
fBinary = binary;
strcpy(fPath,path);
fNEtaSegments = n_eta_segments;
+ fAddHistograms = kFALSE;
+ fRemoveFoundTracks = kFALSE;
+ fWriteDigits = kFALSE;
Init();
}
DeleteMemory();
if(fHoughTransformer)
DeleteTransformers();
+ if(fEval)
+ DeleteEval();
+ if(fPeakFinder)
+ delete fPeakFinder;
+ if(fTracks)
+ delete fTracks;
if(fRootFile)
{
fRootFile->Close();
}
}
+void AliL3Hough::DeleteEval()
+{
+ for(Int_t i=0; i<NPatches; i++)
+ {
+ if(!fEval[i]) continue;
+ delete fEval[i];
+ }
+ delete [] fEval;
+}
+
void AliL3Hough::DeleteTransformers()
{
for(Int_t i=0; i<NPatches; i++)
{
if(!fHoughTransformer[i]) continue;
- delete fHoughTransformer;
+ delete fHoughTransformer[i];
}
delete [] fHoughTransformer;
}
for(Int_t i=0; i<NPatches; i++)
{
fHoughTransformer[i] = new AliL3HoughTransformer(1,i,fNEtaSegments);
+ fHoughTransformer[i]->CreateHistograms(64,-0.003,0.003,64,-0.26,0.26);
+ fHoughTransformer[i]->SetThreshold(3);
fMemHandler[i] = new AliL3FileHandler();
+ if(!fBinary)
+ fMemHandler[i]->SetAliInput(fPath);
+ }
+ fPeakFinder = new AliL3HoughMaxFinder("KappaPhi");
+}
+
+void AliL3Hough::Process(Int_t minslice,Int_t maxslice)
+{
+ //Process all slices [minslice,maxslice].
+
+ for(Int_t i=minslice; i<=maxslice; i++)
+ {
+ TransformSlice(i);
+ if(fAddHistograms)
+ AddAllHistograms();
+ FindTrackCandidates();
+ Evaluate(fRemoveFoundTracks);
+ if(fWriteDigits)
+ WriteDigits();
}
- if(!fBinary)
- fRootFile = new TFile(fPath);
}
void AliL3Hough::TransformSlice(Int_t slice)
for(Int_t i=0; i<NPatches; i++)
{
- fHoughTransformer[i]->CreateHistograms(64,-0.006,0.006,64,-0.26,0.26);
- fHoughTransformer[i]->SetThreshold(3);
+ //Reset memories
+ fHoughTransformer[i]->Reset();
fMemHandler[i]->Free();
UInt_t ndigits=0;
AliL3DigitRowData *digits =0;
Char_t name[256];
- if(fBinary)
+ if(fBinary)//take input data from binary files
{
sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,i);
fMemHandler[i]->SetBinaryInput(name);
}
else //read data from root file
{
- fMemHandler[i]->SetAliInput(fRootFile);
fMemHandler[i]->Init(slice,i,NRows[i]);
digits=(AliL3DigitRowData *)fMemHandler[i]->AliDigits2Memory(ndigits);
}
}
-AliL3Histogram *AliL3Hough::AddHistograms()
+AliL3Histogram *AliL3Hough::AddHistograms(Int_t eta_index)
{
- AliL3Histogram *hist0 = fHoughTransformer[0]->GetHistogram(0);
+
+ AliL3Histogram *hist0 = fHoughTransformer[0]->GetHistogram(eta_index);
for(Int_t i=1; i<NPatches; i++)
{
- AliL3Histogram *hist = fHoughTransformer[i]->GetHistogram(0);
+ AliL3Histogram *hist = fHoughTransformer[i]->GetHistogram(eta_index);
hist0->Add(hist);
}
return hist0;
}
-void AliL3Hough::Evaluate(AliL3Histogram *hist)
+void AliL3Hough::AddAllHistograms()
{
+ //Add the histograms within one etaslice.
+ //Resulting histogram are in patch=0.
+
+ LOG(AliL3Log::kDebug,"AliL3Hough::AddAllHistograms","Progress")
+ <<"Adding all histograms"<<ENDLOG;
+ for(Int_t i=0; i<fNEtaSegments; i++)
+ {
+ AliL3Histogram *hist0 = fHoughTransformer[0]->GetHistogram(i);
+ for(Int_t j=1; j<NPatches; j++)
+ {
+ AliL3Histogram *hist = fHoughTransformer[j]->GetHistogram(i);
+ hist0->Add(hist);
+ }
+ }
+}
+
+void AliL3Hough::FindTrackCandidates()
+{
+ //Look for peaks in histograms, and find the track candidates
+
+ if(fTracks)
+ {
+ LOG(AliL3Log::kDebug,"AliL3Hough::FindTrackCandidates","Track array")
+ <<"Deleting old track array"<<ENDLOG;
+ delete fTracks;
+ }
+ fTracks = new AliL3TrackArray("AliL3HoughTrack");
- AliL3HoughEval **eval = new AliL3HoughEval*[NPatches];
+ Int_t n_patches;
+ if(fAddHistograms)
+ n_patches = 1; //Histograms has been added.
+ else
+ n_patches = NPatches;
+
+ for(Int_t i=0; i<n_patches; i++)
+ {
+ AliL3HoughTransformer *tr = fHoughTransformer[i];
+ for(Int_t j=0; j<fNEtaSegments; j++)
+ {
+ AliL3Histogram *hist = tr->GetHistogram(j);
+ fPeakFinder->SetHistogram(hist);
+ Int_t n=10;
+ Float_t x[10];
+ Float_t y[10];
+ fPeakFinder->FindPeak1(x,y,n);
+ for(Int_t k=0; k<n; k++)
+ {
+ AliL3HoughTrack *track = (AliL3HoughTrack*)fTracks->NextTrack();
+ track->SetTrackParameters(x[k],y[k],1);
+ track->SetEtaIndex(j);
+ }
+ }
+ }
+
+}
+
+void AliL3Hough::Evaluate(Bool_t remove)
+{
+ //Evaluate the tracks, by looking along the road in the raw data.
+ //You may choose to remove the found tracks from the image.
+
+ if(!fTracks)
+ {
+ LOG(AliL3Log::kError,"AliL3Hough::Evaluate","Track array")
+ <<AliL3Log::kHex<<"No tracks to work on "<<(Int_t)fTracks<<ENDLOG;
+ return;
+ }
+
+ if(fEval)
+ {
+ LOG(AliL3Log::kDebug,"AliL3Hough::Evaluate","Evaluate object")
+ <<"Deleting old AliL3HoughEval objects"<<ENDLOG;
+ DeleteEval();
+ }
+
+ fEval = new AliL3HoughEval*[NPatches];
for(Int_t i=0; i<NPatches; i++)
{
- eval[i] = new AliL3HoughEval(fHoughTransformer[i]);
- eval[i]->DisplayEtaSlice(0,hist);
- delete eval[i];
+ fEval[i] = new AliL3HoughEval(fHoughTransformer[i]);
+ if(remove)
+ fEval[i]->RemoveFoundTracks();
+ for(Int_t j=0; j<fTracks->GetNTracks(); j++)
+ {
+ AliL3HoughTrack *track = (AliL3HoughTrack*)fTracks->GetCheckedTrack(j);
+ if(!track)
+ {
+ printf("AliL3Hough::Evaluate : Missing track object...\n");
+ continue;
+ }
+ //fEval[i]->LookInsideRoad(track,track->GetEtaIndex());
+ if(!fEval[i]->LookInsideRoad(track,track->GetEtaIndex()))
+ fTracks->Remove(j);
+ }
+ fTracks->Compress();
}
- delete [] eval;
+}
+void AliL3Hough::WriteDigits(Char_t *outfile)
+{
+ //Write the current data to a new rootfile.
+
+ for(Int_t i=0; i<NPatches; i++)
+ {
+ AliL3DigitRowData *tempPt = (AliL3DigitRowData*)fHoughTransformer[i]->GetDataPointer();
+ fMemHandler[i]->AliDigits2RootFile(tempPt,outfile);
+ }
+
}
private:
Char_t fPath[256];
Bool_t fBinary;
+ Bool_t fAddHistograms;
+ Bool_t fRemoveFoundTracks;
+ Bool_t fWriteDigits;
Int_t fNEtaSegments;
AliL3FileHandler **fMemHandler; //!
AliL3HoughTransformer **fHoughTransformer; //!
+ AliL3HoughEval **fEval; //!
+ AliL3HoughMaxFinder *fPeakFinder; //!
+ AliL3TrackArray *fTracks; //!
TFile *fRootFile; //!
-
+
+ void DeleteEval();
void DeleteTransformers();
void DeleteMemory();
void Init();
AliL3Hough(Char_t *path,Bool_t binary,Int_t n_eta_segments=100);
virtual ~AliL3Hough();
+ void Process(Int_t minslice,Int_t maxslice);
void TransformSlice(Int_t slice);
- AliL3Histogram *AddHistograms();
- void Evaluate(AliL3Histogram *hist);
-
+ void FindTrackCandidates();
+ AliL3Histogram *AddHistograms(Int_t eta_index);
+ void AddAllHistograms();
+ void Evaluate(Bool_t remove=kFALSE);
+ void WriteDigits(Char_t *outfile="output_digits.root");
+
//Setters
void SetNEtaSegments(Int_t i) {fNEtaSegments = i;}
+ void SetAddHistograms() {fAddHistograms = kTRUE;}
+ void SetRemoveFoundTracks() {fRemoveFoundTracks = kTRUE;}
+ void SetWriteDigits() {fWriteDigits = kTRUE;}
//Getters
AliL3HoughTransformer *GetTransformer(Int_t i) {if(!fHoughTransformer[i]) return 0; return fHoughTransformer[i];}
+ AliL3TrackArray *GetTracks() {if(!fTracks) return 0; return fTracks;}
ClassDef(AliL3Hough,1)