Merged HLT tag v1-2 with ALIROOT tag v3-09-Release.

[u/mrichter/AliRoot.git] / HLT / programs / runhough.cxx

// $Id$

// Author: Constantin Loizides <mailto: loizides@ikf.uni-frankfurt.de

#include <AliL3StandardIncludes.h>

#include <AliL3RootTypes.h>
#include <AliL3Logging.h>
#include <AliL3Logger.h>
#include <AliL3Transform.h>
#include <AliL3Track.h>
#include <AliL3TrackArray.h>
#include <AliL3HoughTrack.h>
#include <AliL3ClustFinderNew.h>
#include <AliL3MemHandler.h>
#include <AliL3SpacePointData.h>
#include <AliL3HoughBaseTransformer.h>
#include <AliL3HoughTransformer.h>
#include <AliL3HoughTransformerLUT.h>
#include <AliL3HoughTransformerVhdl.h>
#include <AliL3HoughMaxFinder.h>
#include <AliL3Hough.h>

#ifndef no_root
#include <TROOT.h>
#include <TApplication.h>
#include <TCanvas.h>
#include <TH2.h>
#include <TGraph.h>
#include <TGraphErrors.h>
#endif

#if GCCVERSION == 3
using namespace std;
#endif

int main(Int_t argc,Char_t **argv)
{
  Int_t sl=0;
  Int_t sh=0;
  Int_t segs=100;

  AliL3Logger l;
  l.Set(AliL3Logger::kAll);
  l.UseStderr();
  //l.UseStdout();
  //l.UseStream();

  Char_t path[1024];
  if(argc<2){
    cout<<"Usage: runhough path [slow] [shigh] [segs]"<<endl;
    exit(1);
  }
  strcpy(path,argv[1]);
  if (argc>2) {
    sl=atoi(argv[2]);
  }
  if (argc>3) {
    sh=atoi(argv[3]);
  }
  if (argc>4) {
    segs=atoi(argv[4]);
  }

  //AliL3FFloat::SetParams(10000);
  AliL3Transform::Init(path);

#if 0
  runhough(sl,sh,path,segs);
#else //do some comparison tests

  AliL3HoughBaseTransformer *fh1 = new AliL3HoughTransformerVhdl(0,0,segs);
  AliL3HoughBaseTransformer *fh2 = new AliL3HoughTransformerLUT(0,0,segs);

  fh1->CreateHistograms(64,0.1,64,-30,30);
  fh2->CreateHistograms(64,0.1,64,-30,30);

  fh1->Print();

#endif

  //AliL3FFloat::PrintStat();
  exit(0);
}


//----------------------------------------------------------------------------------
// dont look beyond...
//----------------------------------------------------------------------------------

#if 0
void runhough(Int_t sl,Int_t sh,Char_t *path,Int_t n_eta_segments, Int_t show_seg=-1)
{

  Bool_t binary = kTRUE;
  Bool_t bit8 = kTRUE;
  Int_t tv=1;
  Int_t th=14000;

  AliL3Hough *hough = new AliL3Hough();
  hough->Init(path,binary,n_eta_segments,bit8,tv);
  hough->GetMaxFinder()->SetThreshold(th);
  Int_t ntracks=0;

  for(Int_t slice=sl;slice<=sh;slice++){
    hough->ReadData(slice);
    hough->Transform();
    hough->AddAllHistograms();
    hough->FindTrackCandidates();
    //hough->Evaluate(5);

    AliL3TrackArray *tracks = (AliL3TrackArray*)hough->GetTracks(0);
    ntracks=tracks->GetNTracks();
    for(int i=0; i<ntracks; i++)
      {
	AliL3HoughTrack *track = (AliL3HoughTrack*)tracks->GetCheckedTrack(i);
	if(!track) continue;
	if(sl==sh) cout<<"pt "<<track->GetPt()<<" psi "<<track->GetPsi()<<" eta "<<track->GetEta()<<" etaindex "<<track->GetEtaIndex()<<" weight "<<track->GetWeight()<<endl;
	if(show_seg<0) show_seg=track->GetEtaIndex();
      }

    cout<<"Found total "<<tracks->GetNTracks()<<" tracks"<<endl;
    hough->WriteTracks(slice);
  }

  //if((ntracks>0)&&(sl==sh)) display(hough,show_seg);
}
#endif

#if 0
void display(AliL3Hough *hough,Int_t eta_index)
{
  //Display the data/tracks in eta_index
  
  hough->InitEvaluate();
  AliL3Histogram *digitd = new AliL3Histogram("Digits display","",250,0,250,250,-125,125);
  AliL3Histogram *trackd = new AliL3Histogram("Found tracks display","",250,0,250,250,-125,125);
  for(int i=0; i<6; i++)
    hough->GetEval(i)->DisplayEtaSlice(eta_index,digitd);
  
  float xyz[3];
  tracks = (AliL3TrackArray*)hough->GetTracks(0);
  for(int i=0; i<tracks->GetNTracks(); i++)
    {
      AliL3HoughTrack *track = (AliL3HoughTrack*)tracks->GetCheckedTrack(i);
      if(!track) continue;
      if(track->GetEtaIndex() != eta_index) continue;

      for(int j=0; j<176; j++)
	{
	  track->GetCrossingPoint(j,xyz);
	  trackd->Fill(xyz[0],xyz[1],1);
	}
    }
  
  //Draw the parameter space
  TCanvas *c1 = new TCanvas("c1","",2);
  hough->GetTransformer(0)->GetHistogram(eta_index)->Draw("box");
  
  //Draw the tracks
  TCanvas *c2 = new TCanvas("c2","",2);
  digitd->Draw();
  trackd->Draw("same");
  ((TH1F*)trackd->GetRootHisto())->SetMarkerColor(2);
}
#endif

#if 0
struct GoodTrack
{
  Int_t event;
  Int_t label;
  Double_t eta;
  Int_t code;
  Double_t px,py,pz;
  Double_t pt;
  Int_t nhits;
};

void geteff(char *fname)
{
  GoodTrack gt[15000];
  int counter=0;
  ifstream in(fname);
  if(!in)
    {
      cerr<<"Could not open "<<fname<<endl;
      return;
    }
  while(in>>gt[counter].event>>gt[counter].label>>gt[counter].code
	>>gt[counter].px>>gt[counter].py>>gt[counter].pz>>gt[counter].pt>>gt[counter].eta>>gt[counter].nhits)
    counter++;
  
  char filename[100];
  file = new AliL3MemHandler();
}
#endif