3 /**************************************************************************
4 * This file is property of and copyright by the ALICE HLT Project *
5 * ALICE Experiment at CERN, All rights reserved. *
7 * Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> *
8 * Timm Steinbeck <timm@kip.uni-heidelberg.de> *
9 * for The ALICE HLT Project. *
11 * Permission to use, copy, modify and distribute this software and its *
12 * documentation strictly for non-commercial purposes is hereby granted *
13 * without fee, provided that the above copyright notice appears in all *
14 * copies and that both the copyright notice and this permission notice *
15 * appear in the supporting documentation. The authors make no claims *
16 * about the suitability of this software for any purpose. It is *
17 * provided "as is" without express or implied warranty. *
18 **************************************************************************/
20 /** @file AliHLTTPCGlobalMergerComponent.cxx
21 @author Timm Steinbeck, Matthias Richter
23 @brief HLT TPC global merger component.
26 // see header file for class documentation //
28 // refer to README to build package //
30 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt //
36 #include "AliHLTTPCGlobalMergerComponent.h"
37 //#include "AliHLTTPCTransform.h"
38 #include "AliHLTTPCGlobalMerger.h"
39 #include "AliHLTTPCVertex.h"
40 #include "AliHLTTPCVertexData.h"
41 #include "AliHLTTPCTrackSegmentData.h"
42 #include "AliHLTTPCTrackArray.h"
43 #include "AliHLTTPCTrackletDataFormat.h"
44 //#include "AliHLTTPCSpacePointData.h"
45 //#include "AliHLTTPCClusterDataFormat.h"
46 #include "AliHLTTPCDefinitions.h"
50 /** ROOT macro for the implementation of ROOT specific class methods */
51 ClassImp(AliHLTTPCGlobalMergerComponent);
53 AliHLTTPCGlobalMergerComponent::AliHLTTPCGlobalMergerComponent()
58 // see header file for class documentation
60 // refer to README to build package
62 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
65 AliHLTTPCGlobalMergerComponent::~AliHLTTPCGlobalMergerComponent()
67 // see header file for class documentation
70 // Public functions to implement AliHLTComponent's interface.
71 // These functions are required for the registration process
73 const char* AliHLTTPCGlobalMergerComponent::GetComponentID()
75 // see header file for class documentation
76 return "TPCGlobalMerger";
79 void AliHLTTPCGlobalMergerComponent::GetInputDataTypes(AliHLTComponentDataTypeList& list)
81 // see header file for class documentation
83 list.push_back( AliHLTTPCDefinitions::fgkTrackSegmentsDataType );
84 list.push_back( AliHLTTPCDefinitions::fgkVertexDataType );
87 AliHLTComponentDataType AliHLTTPCGlobalMergerComponent::GetOutputDataType()
89 // see header file for class documentation
90 return AliHLTTPCDefinitions::fgkTracksDataType;
93 void AliHLTTPCGlobalMergerComponent::GetOutputDataSize( unsigned long& constBase, double& inputMultiplier )
95 // see header file for class documentation
96 // XXX TODO: Find more realistic values.
98 inputMultiplier = 1.0;
101 AliHLTComponent* AliHLTTPCGlobalMergerComponent::Spawn()
103 // see header file for class documentation
104 return new AliHLTTPCGlobalMergerComponent;
107 void AliHLTTPCGlobalMergerComponent::SetMergerParameters(Double_t maxy,Double_t maxz,Double_t maxkappa,Double_t maxpsi,Double_t maxtgl)
109 // see header file for class documentation
110 fGlobalMerger->SetParameter( maxy, maxz, maxkappa, maxpsi, maxtgl );
113 int AliHLTTPCGlobalMergerComponent::DoInit( int /*argc*/, const char** /*argv*/ )
115 // see header file for class documentation
116 if ( fGlobalMerger || fVertex )
118 fGlobalMerger = new AliHLTTPCGlobalMerger();
119 fVertex = new AliHLTTPCVertex();
120 SetMergerParameters();
124 int AliHLTTPCGlobalMergerComponent::DoDeinit()
126 // see header file for class documentation
128 delete fGlobalMerger;
129 fGlobalMerger = NULL;
136 int AliHLTTPCGlobalMergerComponent::DoEvent( const AliHLTComponentEventData& evtData, const AliHLTComponentBlockData* blocks,
137 AliHLTComponentTriggerData& /*trigData*/, AliHLTUInt8_t* outputPtr,
138 AliHLTUInt32_t& size, AliHLTComponentBlockDataList& outputBlocks )
140 // see header file for class documentation
141 const AliHLTComponentBlockData* iter = NULL;
142 const AliHLTComponentBlockData* lastVertexBlock = NULL;
145 std::vector<SliceData> slices;
146 std::vector<SliceData>::iterator sdIter, sdEnd;
147 int minSlice = INT_MAX, maxSlice = 0;
149 AliHLTTPCTrackletData* inPtr;
150 AliHLTTPCTrackletData* outPtr;
154 // Create sorted (by slice number) list of data (tracks and vertex) for each slice present.
155 // also note the min and max slice numbers
156 for ( ndx = 0; ndx < evtData.fBlockCnt; ndx++ )
159 slice = AliHLTTPCDefinitions::GetMinSliceNr( *iter );
161 sdIter = slices.begin();
162 sdEnd = slices.end();
163 while ( sdIter != sdEnd )
165 if ( sdIter->fSlice > slice || sdIter->fSlice == slice )
169 if ( sdIter==sdEnd || sdIter->fSlice>slice )
171 if ( sdIter == sdEnd )
173 if ( sdIter==slices.begin() )
177 sd.fVertexBlock = NULL;
178 sd.fVertexBlockIndex = 0;
179 sd.fTrackletBlock = NULL;
180 sd.fTrackletBlockIndex = 0;
181 sdIter = slices.insert( sdIter, sd );
183 if ( sdIter->fSlice == slice )
185 if ( iter->fDataType == AliHLTTPCDefinitions::fgkTrackSegmentsDataType )
187 if ( !sdIter->fTrackletBlock )
189 sdIter->fTrackletBlock = iter;
190 sdIter->fTrackletBlockIndex = ndx;
194 Logging( kHLTLogError, "HLT::GlobalMerger::DoEvent", "Duplicate track data block",
195 "Duplicate track data block for slice %lu in event 0x%08lX (%lu) - previous block: %lu - new block: %lu.",
196 slice, evtData.fEventID, evtData.fEventID, sdIter->fTrackletBlockIndex, ndx );
199 if ( iter->fDataType == AliHLTTPCDefinitions::fgkVertexDataType )
201 lastVertexBlock = iter;
202 if ( !sdIter->fVertexBlock )
204 sdIter->fVertexBlock = iter;
205 sdIter->fVertexBlockIndex = ndx;
209 Logging( kHLTLogError, "HLT::GlobalMerger::DoEvent", "Duplicate vertex data block",
210 "Duplicate vertex data block for slice %lu in event 0x%08lX (%lu) - previous block: %lu - new block: %lu.",
211 slice, evtData.fEventID, evtData.fEventID, sdIter->fVertexBlockIndex, ndx );
217 //fGlobalMerger->Setup( minSlice, maxSlice );
218 fGlobalMerger->Setup( 0, 35 );
220 if ( !lastVertexBlock )
222 Logging( kHLTLogInfo, "HLT::GlobalMerger::DoEvent", "No vertex data block",
223 "No vertex data block found for event 0x%08lX (%lu).", evtData.fEventID, evtData.fEventID );
227 fVertex->Read( (AliHLTTPCVertexData*)( lastVertexBlock->fPtr ) );
229 // Add all tracks into the merger
230 sdIter = slices.begin();
231 sdEnd = slices.end();
233 while ( sdIter != sdEnd )
235 if ( sdIter->fVertexBlock )
237 fVertex->Read( (AliHLTTPCVertexData*)( sdIter->fVertexBlock->fPtr ) );
238 fGlobalMerger->SetVertex( fVertex );
240 for ( int slNr=lastSlice+1; slNr<=sdIter->fSlice; slNr++ )
241 fGlobalMerger->InitSlice( slNr );
242 if ( sdIter->fTrackletBlock )
244 inPtr = (AliHLTTPCTrackletData*)( sdIter->fTrackletBlock->fPtr );
247 Logging( kHLTLogError, "HLT::GlobalMerger::DoEvent", "No track data block",
248 "No track data block found for event 0x%08lX (%lu).", evtData.fEventID, evtData.fEventID );
252 //fGlobalMerger->InitSlice( sdIter->fSlice );
253 fGlobalMerger->FillTracks( inPtr->fTrackletCnt, inPtr->fTracklets );
256 lastSlice = sdIter->fSlice;
259 for ( int slNr=lastSlice+1; slNr<=35; slNr++ )
260 fGlobalMerger->InitSlice( slNr );
263 // Now we can really merge
264 fGlobalMerger->Merge();
265 fGlobalMerger->AddAllTracks();
268 outPtr = (AliHLTTPCTrackletData*)(outputPtr);
270 tSize = fGlobalMerger->GetOutTracks()->WriteTracks( ntracks0, outPtr->fTracklets );
271 outPtr->fTrackletCnt = ntracks0;
273 tSize += sizeof(AliHLTTPCTrackletData);
275 AliHLTComponentBlockData bd;
279 bd.fSpecification = AliHLTTPCDefinitions::EncodeDataSpecification( minSlice, maxSlice, 0, 5 );
280 outputBlocks.push_back( bd );