Some additional changes related to the previous changes. AliL3Transform
[u/mrichter/AliRoot.git] / HLT / hough / AliL3Hough.cxx
index 761454f06f43c8dd0bf2e0cc824cc15f755d39ec..0e8b6510df2afad188026eb7da4d964fb827b1cc 100644 (file)
@@ -5,8 +5,6 @@
 
 
 #include <string.h>
-#include <TCanvas.h>
-#include <TFile.h>
 
 #include "AliL3HoughMerger.h"
 #include "AliL3HoughIntMerger.h"
 #include "AliL3Hough.h"
 #include "AliL3HoughTransformer.h"
 #include "AliL3HoughMaxFinder.h"
+#ifdef use_aliroot
 #include "AliL3FileHandler.h"
+#else
+#include "AliL3MemHandler.h"
+#endif
 #include "AliL3DigitData.h"
 #include "AliL3HoughEval.h"
 #include "AliL3Transform.h"
 #include "AliL3Defs.h"
 #include "AliL3TrackArray.h"
 #include "AliL3HoughTrack.h"
-#include "AliL3Benchmark.h"
+
 
 //_____________________________________________________________
 // AliL3Hough
 //
-// Base class for the Hough transform
+// Interface class for the Hough transform
 //
-
+// Example how to use:
+//
+// AliL3Hough *hough = new AliL3Hough(path,kTRUE,NumberOfEtaSegments);
+// hough->ReadData(slice);
+// hough->Transform();
+// hough->FindTrackCandidates();
+// 
+// AliL3TrackArray *tracks = hough->GetTracks(patch);
 
 ClassImp(AliL3Hough)
 
@@ -43,11 +52,23 @@ AliL3Hough::AliL3Hough()
   fAddHistograms = kFALSE;
   fDoIterative = kFALSE; 
   fWriteDigits=kFALSE;
+  fNPatches=0;
+  fMemHandler = 0;
+  fHoughTransformer = 0;
+  fEval = 0;
+  fPeakFinder = 0;
+  fTracks = 0;
+  fMerger = 0;
+  fInterMerger = 0;
+  fGlobalMerger = 0;
+  fTransform = 0;
 }
 
 
 AliL3Hough::AliL3Hough(Char_t *path,Bool_t binary,Int_t n_eta_segments)
 {
+  //Default ctor.
+
   fBinary = binary;
   strcpy(fPath,path);
   fNEtaSegments = n_eta_segments;
@@ -60,6 +81,8 @@ AliL3Hough::AliL3Hough(Char_t *path,Bool_t binary,Int_t n_eta_segments)
 
 AliL3Hough::~AliL3Hough()
 {
+  //dtor
+
   CleanUp();
   if(fMerger)
     delete fMerger;
@@ -67,13 +90,17 @@ AliL3Hough::~AliL3Hough()
     delete fInterMerger;
   if(fPeakFinder)
     delete fPeakFinder;
+  if(fGlobalMerger)
+    delete fGlobalMerger;
+  if(fTransform)
+    delete fTransform;
 }
 
 void AliL3Hough::CleanUp()
 {
   //Cleanup memory
   
-  for(Int_t i=0; i<NPatches; i++)
+  for(Int_t i=0; i<fNPatches; i++)
     {
       if(fTracks[i]) delete fTracks[i];
       if(fEval[i]) delete fEval[i];
@@ -81,40 +108,55 @@ void AliL3Hough::CleanUp()
       if(fMemHandler[i]) delete fMemHandler[i];
     }
   
-  /*Shitty compiler doesn't allow this:
-    
-  if(fTracks) delete [] fTracks;
-  if(fEval) delete [] fEval;
-  if(fHoughTransformer) delete [] fHoughTransformer;
-  if(fMemHandler) delete [] fMemHandler;
+  /*    
+       if(fTracks) delete [] fTracks;
+       if(fEval) delete [] fEval;
+       if(fHoughTransformer) delete [] fHoughTransformer;
+       if(fMemHandler) delete [] fMemHandler;
   */
 }
 
 void AliL3Hough::Init()
 {
-  fHoughTransformer = new AliL3HoughTransformer*[NPatches];
-  fMemHandler = new AliL3FileHandler*[NPatches];
-  fTracks = new AliL3TrackArray*[NPatches];
-  fEval = new AliL3HoughEval*[NPatches];
-  for(Int_t i=0; i<NPatches; i++)
+  fPeakThreshold = 0;
+  fNPatches = NPatches;
+  fTransform = new AliL3Transform(fPath);
+  fHoughTransformer = new AliL3HoughBaseTransformer*[fNPatches];
+#ifdef use_aliroot
+  fMemHandler = new AliL3FileHandler*[fNPatches];
+#else
+  fMemHandler = new AliL3MemHandler*[fNPatches];
+#endif
+  fTracks = new AliL3TrackArray*[fNPatches];
+  fEval = new AliL3HoughEval*[fNPatches];
+  for(Int_t i=0; i<fNPatches; i++)
     {
       fHoughTransformer[i] = new AliL3HoughTransformer(1,i,fNEtaSegments);
-      fHoughTransformer[i]->CreateHistograms(64,-0.003,0.003,64,-0.26,0.26);
+      fHoughTransformer[i]->SetTransformer(fTransform);
+      //fHoughTransformer[i]->CreateHistograms(64,-0.003,0.003,64,-0.26,0.26);
+      fHoughTransformer[i]->CreateHistograms(64,0.1,64,-30,30);
       fHoughTransformer[i]->SetThreshold(3);
       fEval[i] = new AliL3HoughEval();
       fTracks[i] = new AliL3TrackArray("AliL3HoughTrack");
+#ifdef use_aliroot
       fMemHandler[i] = new AliL3FileHandler();
       if(!fBinary)
        fMemHandler[i]->SetAliInput(fPath);
+#else
+      fMemHandler[i] = new AliL3MemHandler();
+#endif
+      
     }
   fPeakFinder = new AliL3HoughMaxFinder("KappaPhi");
-  fMerger = new AliL3HoughMerger(NPatches);
+  fMerger = new AliL3HoughMerger(fNPatches);
   fInterMerger = new AliL3HoughIntMerger();
+  fGlobalMerger = 0;
 }
 
 void AliL3Hough::Process(Int_t minslice,Int_t maxslice)
 {
   //Process all slices [minslice,maxslice].
+  fGlobalMerger = new AliL3HoughGlobalMerger(minslice,maxslice);
   
   for(Int_t i=minslice; i<=maxslice; i++)
     {
@@ -124,16 +166,17 @@ void AliL3Hough::Process(Int_t minslice,Int_t maxslice)
        AddAllHistograms();
       FindTrackCandidates();
       Evaluate();
-      if(fWriteDigits)
-       WriteDigits();
+      fGlobalMerger->FillTracks(fTracks[0],i);
     }
+  
+  
 }
 
 void AliL3Hough::ReadData(Int_t slice)
 {
   //Read data from files, binary or root.
 
-  for(Int_t i=0; i<NPatches; i++)
+  for(Int_t i=0; i<fNPatches; i++)
     {
       fMemHandler[i]->Free();
       UInt_t ndigits=0;
@@ -148,27 +191,29 @@ void AliL3Hough::ReadData(Int_t slice)
        }
       else //read data from root file
        {
+#ifdef use_aliroot
          fMemHandler[i]->Init(slice,i,NRows[i]);
          digits=(AliL3DigitRowData *)fMemHandler[i]->AliDigits2Memory(ndigits); 
+#else
+         cerr<<"You cannot read from rootfile now"<<endl;
+#endif
        }
       fHoughTransformer[i]->SetInputData(ndigits,digits);
     }
 }
 
-void AliL3Hough::Transform()
+void AliL3Hough::Transform(Int_t row_range)
 {
   //Transform all data given to the transformer within the given slice
   //(after ReadData(slice))
 
-  Double_t initTime,finalTime;
-  for(Int_t i=0; i<NPatches; i++)
+  for(Int_t i=0; i<fNPatches; i++)
     {
       fHoughTransformer[i]->Reset();//Reset the histograms
-      initTime = AliL3Benchmark::GetCpuTime();
-      fHoughTransformer[i]->TransformCircle();
-      finalTime = AliL3Benchmark::GetCpuTime();
-      LOG(AliL3Log::kInformational,"AliL3Hough::Transform","Timing")
-       <<AliL3Log::kDec<<"Transform finished in "<<(finalTime-initTime)*1000<<"ms"<<ENDLOG;
+      if(row_range < 0)
+       fHoughTransformer[i]->TransformCircle();
+      else
+       fHoughTransformer[i]->TransformCircleC(row_range);
     }
 }
 
@@ -176,10 +221,8 @@ void AliL3Hough::MergePatches()
 {
   if(fAddHistograms) //Nothing to merge here
     return;
-  AliL3Transform *tr = new AliL3Transform();
-  fMerger->SetTransformer(tr);
+  fMerger->SetTransformer(fTransform);
   fMerger->MergePatches(kTRUE);
-  delete tr;
 }
 
 void AliL3Hough::MergeInternally()
@@ -196,7 +239,7 @@ void AliL3Hough::ProcessSliceIter()
 {
   //Process current slice (after ReadData(slice)) iteratively.
   
-  for(Int_t i=0; i<NPatches; i++)
+  for(Int_t i=0; i<fNPatches; i++)
     {
       ProcessPatchIter(i);
       fMerger->FillTracks(fTracks[i],i); //Copy tracks to merger
@@ -210,13 +253,14 @@ void AliL3Hough::ProcessPatchIter(Int_t patch)
   //transform + peakfinding + evaluation + transform +...
 
   Int_t num_of_tries = 10;
-  AliL3HoughTransformer *tr = fHoughTransformer[patch];
+  AliL3HoughBaseTransformer *tr = fHoughTransformer[patch];
   AliL3TrackArray *tracks = fTracks[patch];
   tracks->Reset();
   AliL3HoughEval *ev = fEval[patch];
   ev->InitTransformer(tr);
   ev->RemoveFoundTracks();
   ev->SetNumOfRowsToMiss(2);
+  ev->SetNumOfPadsToLook(2);
   AliL3Histogram *hist;
   for(Int_t t=0; t<num_of_tries; t++)
     {
@@ -227,11 +271,12 @@ void AliL3Hough::ProcessPatchIter(Int_t patch)
          hist = tr->GetHistogram(i);
          if(hist->GetNEntries()==0) continue;
          fPeakFinder->SetHistogram(hist);
-         Int_t n=1;
-         Int_t x[n],y[n];
-         fPeakFinder->FindAbsMaxima(*x,*y);
+         //Int_t n=1;
+         Float_t x,y;
+         //fPeakFinder->FindAbsMaxima(*x,*y);
+         fPeakFinder->FindPeak(3,0.95,5,x,y);
          AliL3HoughTrack *track = (AliL3HoughTrack*)tracks->NextTrack();
-         track->SetTrackParameters(hist->GetBinCenterX(*x),hist->GetBinCenterY(*y),1);
+         track->SetTrackParameters(x,y,1);
          if(!ev->LookInsideRoad(track,i))
            {   
              tracks->Remove(tracks->GetNTracks()-1);
@@ -243,18 +288,6 @@ void AliL3Hough::ProcessPatchIter(Int_t patch)
     <<AliL3Log::kDec<<"Found "<<tracks->GetNTracks()<<" tracks in patch "<<patch<<ENDLOG;
 }
 
-AliL3Histogram *AliL3Hough::AddHistograms(Int_t eta_index)
-{
-
-  AliL3Histogram *hist0 = fHoughTransformer[0]->GetHistogram(eta_index);
-  for(Int_t i=1; i<NPatches; i++)
-    {
-      AliL3Histogram *hist = fHoughTransformer[i]->GetHistogram(eta_index);
-      hist0->Add(hist);
-    }
-  
-  return hist0;
-}
 
 void AliL3Hough::AddAllHistograms()
 {
@@ -264,7 +297,7 @@ void AliL3Hough::AddAllHistograms()
   for(Int_t i=0; i<fNEtaSegments; i++)
     {
       AliL3Histogram *hist0 = fHoughTransformer[0]->GetHistogram(i);
-      for(Int_t j=1; j<NPatches; j++)
+      for(Int_t j=1; j<fNPatches; j++)
        {
          AliL3Histogram *hist = fHoughTransformer[j]->GetHistogram(i);
          hist0->Add(hist);
@@ -281,29 +314,34 @@ void AliL3Hough::FindTrackCandidates()
   if(fAddHistograms)
     n_patches = 1; //Histograms has been added.
   else
-    n_patches = NPatches;
+    n_patches = fNPatches;
+
   
   for(Int_t i=0; i<n_patches; i++)
     {
-      AliL3HoughTransformer *tr = fHoughTransformer[i];
+      AliL3HoughBaseTransformer *tr = fHoughTransformer[i];
+      Double_t eta_slice = (tr->GetEtaMax()-tr->GetEtaMin()/tr->GetNEtaSegments());
       fTracks[i]->Reset();
       for(Int_t j=0; j<fNEtaSegments; j++)
        {
          AliL3Histogram *hist = tr->GetHistogram(j);
          if(hist->GetNEntries()==0) continue;
          fPeakFinder->SetHistogram(hist);
-         Int_t n=10;
-         Float_t x[10];
-         Float_t y[10];
-         Int_t weight[10];
-         fPeakFinder->FindPeak1(x,y,weight,n);
+         fPeakFinder->SetThreshold(fPeakThreshold);
+         Int_t n=20;
+         Float_t x[n];
+         Float_t y[n];
+         Int_t weight[n];
+         //fPeakFinder->FindPeak1(x,y,weight,n,2,1);
+         fPeakFinder->FindMaxima(x,y,weight,n);
          for(Int_t k=0; k<n; k++)
            {
              if(weight[k] == 0) continue;
+             
              AliL3HoughTrack *track = (AliL3HoughTrack*)fTracks[i]->NextTrack();
              track->SetTrackParameters(x[k],y[k],weight[k]);
              track->SetEtaIndex(j);
-             track->SetEta((Double_t)(j*tr->GetEtaSlice()));
+             track->SetEta((Double_t)(j*eta_slice));
              track->SetRowRange(NRows[0][0],NRows[5][1]);
            }
        }
@@ -325,10 +363,11 @@ void AliL3Hough::Evaluate(Int_t road_width)
   
   printf("Number of tracks before evaluation %d\n",fTracks[0]->GetNTracks());
   AliL3TrackArray *tracks;
-  for(Int_t i=0; i<NPatches; i++)
+  for(Int_t i=0; i<fNPatches; i++)
     {
       fEval[i]->InitTransformer(fHoughTransformer[i]);
-      fEval[i]->SetNumOfRowsToMiss(1);
+      continue;
+      fEval[i]->SetNumOfRowsToMiss(2);
       fEval[i]->SetNumOfPadsToLook(road_width);
       if(fAddHistograms)
        tracks = fTracks[0];
@@ -343,6 +382,7 @@ void AliL3Hough::Evaluate(Int_t road_width)
                <<"Track object missing!"<<ENDLOG;
              continue;
            }
+         
          if(!fEval[i]->LookInsideRoad(track,track->GetEtaIndex()))
            tracks->Remove(j);
          if(fAddHistograms)
@@ -366,23 +406,48 @@ void AliL3Hough::EvaluateWithEta()
     }
   printf("Number of tracks before evaluation %d\n",fTracks[0]->GetNTracks());
  
-  for(Int_t i=0; i<NPatches; i++)
+  for(Int_t i=0; i<fNPatches; i++)
     {
       fEval[i]->InitTransformer(fHoughTransformer[i]);
       fEval[i]->FindEta(fTracks[0]);
     }
   fMerger->FillTracks(fTracks[0],0);
-  fMerger->MergeEtaSlices(0);
 }
 
+void AliL3Hough::WriteTracks(Char_t *path)
+{
+  AliL3MemHandler *mem = new AliL3MemHandler();
+  Char_t fname[100];
+  if(fAddHistograms)
+    {
+      sprintf(fname,"%s/tracks.raw",path);
+      mem->SetBinaryOutput(fname);
+      mem->TrackArray2Binary(fTracks[0]);
+      mem->CloseBinaryOutput();
+    }
+  else 
+    {
+      for(Int_t i=0; i<fNPatches; i++)
+       {
+         sprintf(fname,"%s/tracks_%d.raw",path,i);
+         mem->SetBinaryOutput(fname);
+         mem->TrackArray2Binary(fTracks[i]);
+         mem->CloseBinaryOutput();
+       }
+    }
+  delete mem;
+  
+}
+#ifdef use_aliroot
 void AliL3Hough::WriteDigits(Char_t *outfile)
 {
   //Write the current data to a new rootfile.
 
-  for(Int_t i=0; i<NPatches; i++)
+  for(Int_t i=0; i<fNPatches; i++)
     {
       AliL3DigitRowData *tempPt = (AliL3DigitRowData*)fHoughTransformer[i]->GetDataPointer();
       fMemHandler[i]->AliDigits2RootFile(tempPt,outfile);
     }
   
 }
+#endif