X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=RAW%2FAliHoughFilter.cxx;fp=RAW%2FAliHoughFilter.cxx;h=e7fca6ed065b5a41c170e677a3e3241fa62a3dc1;hb=e10815f1d81dbd131a43ebba6708937ffb71a740;hp=0000000000000000000000000000000000000000;hpb=56849d9927bf338ebbe7dc2e9443c0eef0410e74;p=u%2Fmrichter%2FAliRoot.git

diff --git a/RAW/AliHoughFilter.cxx b/RAW/AliHoughFilter.cxx
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+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ *                                                                        *
+ * Author: The ALICE Off-line Project.                                    *
+ * Contributors are mentioned in the code where appropriate.              *
+ *                                                                        *
+ * Permission to use, copy, modify and distribute this software and its   *
+ * documentation strictly for non-commercial purposes is hereby granted   *
+ * without fee, provided that the above copyright notice appears in all   *
+ * copies and that both the copyright notice and this permission notice   *
+ * appear in the supporting documentation. The authors make no claims     *
+ * about the suitability of this software for any purpose. It is          *
+ * provided "as is" without express or implied warranty.                  *
+ **************************************************************************/
+
+/* $Id$ */
+
+///////////////////////////////////////////////////////////////////////////////
+//                                                                           //
+// high level filter algorithm for TPC using a hough transformation          //
+//                                                                           //
+///////////////////////////////////////////////////////////////////////////////
+
+
+#include <TStopwatch.h>
+
+#include "AliL3StandardIncludes.h"
+#include "AliL3Logging.h"
+#include "AliL3Transform.h"
+#include "AliL3Hough.h"
+#include "AliLog.h"
+
+#include "AliHoughFilter.h"
+
+
+ClassImp(AliHoughFilter)
+
+//_____________________________________________________________________________
+AliHoughFilter::AliHoughFilter()
+{
+// default constructor
+
+  AliL3Log::fgLevel = AliL3Log::kError;
+  if (AliDebugLevel() > 0) AliL3Log::fgLevel = AliL3Log::kWarning;
+  if (AliDebugLevel() > 1) AliL3Log::fgLevel = AliL3Log::kInformational;
+  if (AliDebugLevel() > 2) AliL3Log::fgLevel = AliL3Log::kDebug;
+  if (!AliL3Transform::Init("./", kFALSE)) {
+    AliError("HLT initialization failed!");
+  }
+}
+
+//_____________________________________________________________________________
+Bool_t AliHoughFilter::Filter(AliRawEvent* event, AliESD* esd)
+{
+// TPC hough transformation
+
+  TStopwatch timer;
+  timer.Start();
+
+  Float_t ptmin = 0.1*AliL3Transform::GetSolenoidField();
+
+  AliL3Hough *hough1 = new AliL3Hough();
+    
+  hough1->SetThreshold(4);
+  hough1->CalcTransformerParams(ptmin);
+  hough1->SetPeakThreshold(70,-1);
+  // Attention Z of the vertex to be taken from the event head!
+  // So far for debug purposes it is fixed by hand...
+  hough1->Init(100,4,event,3.82147);
+  hough1->SetAddHistograms();
+
+  AliL3Hough *hough2 = new AliL3Hough();
+
+  hough2->SetThreshold(4);
+  hough2->CalcTransformerParams(ptmin);
+  hough2->SetPeakThreshold(70,-1);
+  hough2->Init(100,4,event,3.82147);
+  hough2->SetAddHistograms();
+
+  Int_t nglobaltracks = 0;
+  /* In case we run HLT code in 2 threads */
+  hough1->StartProcessInThread(0,17);
+  hough2->StartProcessInThread(18,35);
+
+  if(hough1->WaitForThreadFinish())
+    AliFatal(" Can not join the required thread! ");
+  if(hough2->WaitForThreadFinish())
+    AliFatal(" Can not join the required thread! ");
+  
+  /* In case we run HLT code in the main thread
+  for(Int_t slice=0; slice<=17; slice++) 
+    {
+      hough1->ReadData(slice,0);
+      hough1->Transform();
+      hough1->AddAllHistogramsRows();
+      hough1->FindTrackCandidatesRow();
+      hough1->AddTracks();
+    }
+  for(Int_t slice=18; slice<=35; slice++)
+    {
+      hough2->ReadData(slice,0);
+      hough2->Transform();
+      hough2->AddAllHistogramsRows();
+      hough2->FindTrackCandidatesRow();
+      hough2->AddTracks();
+    }
+  */
+
+  nglobaltracks += hough1->FillESD(esd);
+  nglobaltracks += hough2->FillESD(esd);
+
+  /* In case we want to debug the ESD
+  gSystem->MakeDirectory("hough1");
+  hough1->WriteTracks("./hough1");
+  gSystem->MakeDirectory("hough2");
+  hough2->WriteTracks("./hough2");
+  */
+
+  delete hough1;
+  delete hough2;
+
+  printf("Filter has found %d TPC tracks in %f seconds\n", nglobaltracks,timer.RealTime());
+
+  return kFALSE;
+}