3 // Author: Anders Vestbo <mailto:vestbo@fi.uib.no>
4 //*-- Copyright © ASV
9 #include "AliL3HoughMerger.h"
10 #include "AliL3HoughIntMerger.h"
11 #include "AliL3HoughGlobalMerger.h"
12 #include "AliL3Logging.h"
13 #include "AliL3Histogram.h"
14 #include "AliL3Hough.h"
15 #include "AliL3HoughTransformer.h"
16 #include "AliL3HoughMaxFinder.h"
18 #include "AliL3FileHandler.h"
20 #include "AliL3MemHandler.h"
22 #include "AliL3DigitData.h"
23 #include "AliL3HoughEval.h"
24 #include "AliL3Transform.h"
25 #include "AliL3Defs.h"
26 #include "AliL3TrackArray.h"
27 #include "AliL3HoughTrack.h"
30 //_____________________________________________________________
33 // Base class for the Hough transform
39 AliL3Hough::AliL3Hough()
45 fAddHistograms = kFALSE;
46 fDoIterative = kFALSE;
52 AliL3Hough::AliL3Hough(Char_t *path,Bool_t binary,Int_t n_eta_segments)
56 fNEtaSegments = n_eta_segments;
57 fAddHistograms = kFALSE;
58 fDoIterative = kFALSE;
59 fWriteDigits = kFALSE;
64 AliL3Hough::~AliL3Hough()
77 void AliL3Hough::CleanUp()
81 for(Int_t i=0; i<fNPatches; i++)
83 if(fTracks[i]) delete fTracks[i];
84 if(fEval[i]) delete fEval[i];
85 if(fHoughTransformer[i]) delete fHoughTransformer[i];
86 if(fMemHandler[i]) delete fMemHandler[i];
89 /*Shitty compiler doesn't allow this:
91 if(fTracks) delete [] fTracks;
92 if(fEval) delete [] fEval;
93 if(fHoughTransformer) delete [] fHoughTransformer;
94 if(fMemHandler) delete [] fMemHandler;
98 void AliL3Hough::Init()
100 fNPatches = NPatches;
101 fHoughTransformer = new AliL3HoughTransformer*[fNPatches];
103 fMemHandler = new AliL3FileHandler*[fNPatches];
105 fMemHandler = new AliL3MemHandler*[fNPatches];
107 fTracks = new AliL3TrackArray*[fNPatches];
108 fEval = new AliL3HoughEval*[fNPatches];
109 for(Int_t i=0; i<fNPatches; i++)
111 fHoughTransformer[i] = new AliL3HoughTransformer(1,i,fNEtaSegments);
112 fHoughTransformer[i]->CreateHistograms(64,-0.003,0.003,64,-0.26,0.26);
113 fHoughTransformer[i]->SetThreshold(3);
114 fEval[i] = new AliL3HoughEval();
115 fTracks[i] = new AliL3TrackArray("AliL3HoughTrack");
117 fMemHandler[i] = new AliL3FileHandler();
119 fMemHandler[i]->SetAliInput(fPath);
121 fMemHandler[i] = new AliL3MemHandler();
125 fPeakFinder = new AliL3HoughMaxFinder("KappaPhi");
126 fMerger = new AliL3HoughMerger(fNPatches);
127 fInterMerger = new AliL3HoughIntMerger();
130 void AliL3Hough::Process(Int_t minslice,Int_t maxslice)
132 //Process all slices [minslice,maxslice].
133 fGlobalMerger = new AliL3HoughGlobalMerger(minslice,maxslice);
135 for(Int_t i=minslice; i<=maxslice; i++)
141 FindTrackCandidates();
143 fGlobalMerger->FillTracks(fTracks[0],i);
149 void AliL3Hough::ReadData(Int_t slice)
151 //Read data from files, binary or root.
153 for(Int_t i=0; i<fNPatches; i++)
155 fMemHandler[i]->Free();
157 AliL3DigitRowData *digits =0;
159 if(fBinary)//take input data from binary files
161 sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,i);
162 fMemHandler[i]->SetBinaryInput(name);
163 digits = (AliL3DigitRowData *)fMemHandler[i]->CompBinary2Memory(ndigits);
164 fMemHandler[i]->CloseBinaryInput();
166 else //read data from root file
169 fMemHandler[i]->Init(slice,i,NRows[i]);
170 digits=(AliL3DigitRowData *)fMemHandler[i]->AliDigits2Memory(ndigits);
172 cerr<<"You cannot read from rootfile now"<<endl;
175 fHoughTransformer[i]->SetInputData(ndigits,digits);
179 void AliL3Hough::Transform()
181 //Transform all data given to the transformer within the given slice
182 //(after ReadData(slice))
184 for(Int_t i=0; i<fNPatches; i++)
186 fHoughTransformer[i]->Reset();//Reset the histograms
187 fHoughTransformer[i]->TransformCircle();
191 void AliL3Hough::MergePatches()
193 if(fAddHistograms) //Nothing to merge here
195 AliL3Transform *tr = new AliL3Transform();
196 fMerger->SetTransformer(tr);
197 fMerger->MergePatches(kTRUE);
201 void AliL3Hough::MergeInternally()
204 fInterMerger->FillTracks(fTracks[0]);
206 fInterMerger->FillTracks(fMerger->GetOutTracks());
208 fInterMerger->MMerge();
211 void AliL3Hough::ProcessSliceIter()
213 //Process current slice (after ReadData(slice)) iteratively.
215 for(Int_t i=0; i<fNPatches; i++)
218 fMerger->FillTracks(fTracks[i],i); //Copy tracks to merger
223 void AliL3Hough::ProcessPatchIter(Int_t patch)
225 //Process patch in a iterative way.
226 //transform + peakfinding + evaluation + transform +...
228 Int_t num_of_tries = 10;
229 AliL3HoughTransformer *tr = fHoughTransformer[patch];
230 AliL3TrackArray *tracks = fTracks[patch];
232 AliL3HoughEval *ev = fEval[patch];
233 ev->InitTransformer(tr);
234 ev->RemoveFoundTracks();
235 ev->SetNumOfRowsToMiss(2);
236 AliL3Histogram *hist;
237 for(Int_t t=0; t<num_of_tries; t++)
240 tr->TransformCircle();
241 for(Int_t i=0; i<fNEtaSegments; i++)
243 hist = tr->GetHistogram(i);
244 if(hist->GetNEntries()==0) continue;
245 fPeakFinder->SetHistogram(hist);
248 fPeakFinder->FindAbsMaxima(*x,*y);
249 AliL3HoughTrack *track = (AliL3HoughTrack*)tracks->NextTrack();
250 track->SetTrackParameters(hist->GetBinCenterX(*x),hist->GetBinCenterY(*y),1);
251 if(!ev->LookInsideRoad(track,i))
253 tracks->Remove(tracks->GetNTracks()-1);
258 LOG(AliL3Log::kInformational,"AliL3Hough::ProcessPatch","NTracks")
259 <<AliL3Log::kDec<<"Found "<<tracks->GetNTracks()<<" tracks in patch "<<patch<<ENDLOG;
263 void AliL3Hough::AddAllHistograms()
265 //Add the histograms within one etaslice.
266 //Resulting histogram are in patch=0.
268 for(Int_t i=0; i<fNEtaSegments; i++)
270 AliL3Histogram *hist0 = fHoughTransformer[0]->GetHistogram(i);
271 for(Int_t j=1; j<fNPatches; j++)
273 AliL3Histogram *hist = fHoughTransformer[j]->GetHistogram(i);
277 fAddHistograms = kTRUE;
280 void AliL3Hough::FindTrackCandidates()
282 //Look for peaks in histograms, and find the track candidates
286 n_patches = 1; //Histograms has been added.
288 n_patches = fNPatches;
290 for(Int_t i=0; i<n_patches; i++)
292 AliL3HoughTransformer *tr = fHoughTransformer[i];
294 for(Int_t j=0; j<fNEtaSegments; j++)
296 AliL3Histogram *hist = tr->GetHistogram(j);
297 if(hist->GetNEntries()==0) continue;
298 fPeakFinder->SetHistogram(hist);
303 fPeakFinder->FindPeak1(x,y,weight,n,1);
304 for(Int_t k=0; k<n; k++)
306 if(weight[k] == 0) continue;
307 AliL3HoughTrack *track = (AliL3HoughTrack*)fTracks[i]->NextTrack();
308 track->SetTrackParameters(x[k],y[k],weight[k]);
309 track->SetEtaIndex(j);
310 track->SetEta((Double_t)(j*tr->GetEtaSlice()));
311 track->SetRowRange(NRows[0][0],NRows[5][1]);
318 void AliL3Hough::Evaluate(Int_t road_width)
320 //Evaluate the tracks, by looking along the road in the raw data.
325 LOG(AliL3Log::kError,"AliL3Hough::Evaluate","Track Array")
326 <<"No tracks to work with..."<<ENDLOG;
330 printf("Number of tracks before evaluation %d\n",fTracks[0]->GetNTracks());
331 AliL3TrackArray *tracks;
332 for(Int_t i=0; i<fNPatches; i++)
334 fEval[i]->InitTransformer(fHoughTransformer[i]);
335 fEval[i]->SetNumOfRowsToMiss(2);
336 fEval[i]->SetNumOfPadsToLook(road_width);
341 for(Int_t j=0; j<tracks->GetNTracks(); j++)
343 AliL3HoughTrack *track = (AliL3HoughTrack*)tracks->GetCheckedTrack(j);
346 LOG(AliL3Log::kWarning,"AliL3Hough::Evaluate","Track array")
347 <<"Track object missing!"<<ENDLOG;
351 if(!fEval[i]->LookInsideRoad(track,track->GetEtaIndex()))
354 track->SetRowRange(NRows[0][0],NRows[5][1]);//All rows included
357 tracks->QSort(); //Sort the tracks according to weight
360 fMerger->FillTracks(tracks,i); //Copy tracks to the track merger
365 void AliL3Hough::EvaluateWithEta()
369 printf("AliL3Hough::EvaluateWithEta: NO TRACKS\n");
372 printf("Number of tracks before evaluation %d\n",fTracks[0]->GetNTracks());
374 for(Int_t i=0; i<fNPatches; i++)
376 fEval[i]->InitTransformer(fHoughTransformer[i]);
377 fEval[i]->FindEta(fTracks[0]);
379 fMerger->FillTracks(fTracks[0],0);
382 void AliL3Hough::WriteTracks(Char_t *path)
384 AliL3MemHandler *mem = new AliL3MemHandler();
386 sprintf(fname,"%s/tracks.raw",path);
387 mem->SetBinaryOutput(fname);
388 mem->TrackArray2Binary(fTracks[0]);
389 mem->CloseBinaryOutput();
394 void AliL3Hough::WriteDigits(Char_t *outfile)
396 //Write the current data to a new rootfile.
398 for(Int_t i=0; i<fNPatches; i++)
400 AliL3DigitRowData *tempPt = (AliL3DigitRowData*)fHoughTransformer[i]->GetDataPointer();
401 fMemHandler[i]->AliDigits2RootFile(tempPt,outfile);