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.
30 #include "AliHLTTPCGlobalMergerComponent.h"
31 #include "AliHLTTPCTransform.h"
32 #include "AliHLTTPCGlobalMerger.h"
33 #include "AliHLTTPCVertex.h"
34 #include "AliHLTTPCVertexData.h"
35 #include "AliHLTTPCTrackSegmentData.h"
36 #include "AliHLTTPCTrackArray.h"
37 #include "AliHLTTPCTrackletDataFormat.h"
38 #include "AliHLTTPCSpacePointData.h"
39 #include "AliHLTTPCClusterDataFormat.h"
40 #include "AliHLTTPCDefinitions.h"
44 // this is a global object used for automatic component registration, do not use this
45 AliHLTTPCGlobalMergerComponent gAliHLTTPCGlobalMergerComponent;
47 ClassImp(AliHLTTPCGlobalMergerComponent)
49 AliHLTTPCGlobalMergerComponent::AliHLTTPCGlobalMergerComponent()
54 // see header file for class documentation
56 // refer to README to build package
58 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
61 AliHLTTPCGlobalMergerComponent::AliHLTTPCGlobalMergerComponent(const AliHLTTPCGlobalMergerComponent&)
66 // see header file for class documentation
67 HLTFatal("copy constructor untested");
70 AliHLTTPCGlobalMergerComponent& AliHLTTPCGlobalMergerComponent::operator=(const AliHLTTPCGlobalMergerComponent&)
72 // see header file for class documentation
73 HLTFatal("assignment operator untested");
77 AliHLTTPCGlobalMergerComponent::~AliHLTTPCGlobalMergerComponent()
79 // see header file for class documentation
82 // Public functions to implement AliHLTComponent's interface.
83 // These functions are required for the registration process
85 const char* AliHLTTPCGlobalMergerComponent::GetComponentID()
87 // see header file for class documentation
88 return "TPCGlobalMerger";
91 void AliHLTTPCGlobalMergerComponent::GetInputDataTypes( vector<AliHLTComponentDataType>& list)
93 // see header file for class documentation
95 list.push_back( AliHLTTPCDefinitions::fgkTrackSegmentsDataType );
96 list.push_back( AliHLTTPCDefinitions::fgkVertexDataType );
99 AliHLTComponentDataType AliHLTTPCGlobalMergerComponent::GetOutputDataType()
101 // see header file for class documentation
102 return AliHLTTPCDefinitions::fgkTracksDataType;
105 void AliHLTTPCGlobalMergerComponent::GetOutputDataSize( unsigned long& constBase, double& inputMultiplier )
107 // see header file for class documentation
108 // XXX TODO: Find more realistic values.
110 inputMultiplier = 1.0;
113 AliHLTComponent* AliHLTTPCGlobalMergerComponent::Spawn()
115 // see header file for class documentation
116 return new AliHLTTPCGlobalMergerComponent;
119 void AliHLTTPCGlobalMergerComponent::SetMergerParameters(Double_t maxy,Double_t maxz,Double_t maxkappa,Double_t maxpsi,Double_t maxtgl)
121 // see header file for class documentation
122 fGlobalMerger->SetParameter( maxy, maxz, maxkappa, maxpsi, maxtgl );
125 int AliHLTTPCGlobalMergerComponent::DoInit( int argc, const char** argv )
127 // see header file for class documentation
128 if ( fGlobalMerger || fVertex )
130 fGlobalMerger = new AliHLTTPCGlobalMerger();
131 fVertex = new AliHLTTPCVertex();
132 SetMergerParameters();
136 int AliHLTTPCGlobalMergerComponent::DoDeinit()
138 // see header file for class documentation
140 delete fGlobalMerger;
141 fGlobalMerger = NULL;
148 int AliHLTTPCGlobalMergerComponent::DoEvent( const AliHLTComponentEventData& evtData, const AliHLTComponentBlockData* blocks,
149 AliHLTComponentTriggerData& trigData, AliHLTUInt8_t* outputPtr,
150 AliHLTUInt32_t& size, vector<AliHLTComponentBlockData>& outputBlocks )
152 // see header file for class documentation
153 const AliHLTComponentBlockData* iter = NULL;
154 const AliHLTComponentBlockData* lastVertexBlock = NULL;
157 std::vector<SliceData> slices;
158 std::vector<SliceData>::iterator sdIter, sdEnd;
159 int minSlice = INT_MAX, maxSlice = 0;
161 AliHLTTPCTrackletData* inPtr;
162 AliHLTTPCTrackletData* outPtr;
166 // Create sorted (by slice number) list of data (tracks and vertex) for each slice present.
167 // also note the min and max slice numbers
168 for ( ndx = 0; ndx < evtData.fBlockCnt; ndx++ )
171 slice = AliHLTTPCDefinitions::GetMinSliceNr( *iter );
173 sdIter = slices.begin();
174 sdEnd = slices.end();
175 while ( sdIter != sdEnd )
177 if ( sdIter->fSlice > slice || sdIter->fSlice == slice )
181 if ( sdIter==sdEnd || sdIter->fSlice>slice )
183 if ( sdIter == sdEnd )
185 if ( sdIter==slices.begin() )
189 sd.fVertexBlock = NULL;
190 sd.fVertexBlockIndex = 0;
191 sd.fTrackletBlock = NULL;
192 sd.fTrackletBlockIndex = 0;
193 sdIter = slices.insert( sdIter, sd );
195 if ( sdIter->fSlice == slice )
197 if ( iter->fDataType == AliHLTTPCDefinitions::fgkTrackSegmentsDataType )
199 if ( !sdIter->fTrackletBlock )
201 sdIter->fTrackletBlock = iter;
202 sdIter->fTrackletBlockIndex = ndx;
206 Logging( kHLTLogError, "HLT::GlobalMerger::DoEvent", "Duplicate track data block",
207 "Duplicate track data block for slice %lu in event 0x%08lX (%lu) - previous block: %lu - new block: %lu.",
208 slice, evtData.fEventID, evtData.fEventID, sdIter->fTrackletBlockIndex, ndx );
211 if ( iter->fDataType == AliHLTTPCDefinitions::fgkVertexDataType )
213 lastVertexBlock = iter;
214 if ( !sdIter->fVertexBlock )
216 sdIter->fVertexBlock = iter;
217 sdIter->fVertexBlockIndex = ndx;
221 Logging( kHLTLogError, "HLT::GlobalMerger::DoEvent", "Duplicate vertex data block",
222 "Duplicate vertex data block for slice %lu in event 0x%08lX (%lu) - previous block: %lu - new block: %lu.",
223 slice, evtData.fEventID, evtData.fEventID, sdIter->fVertexBlockIndex, ndx );
229 //fGlobalMerger->Setup( minSlice, maxSlice );
230 fGlobalMerger->Setup( 0, 35 );
232 if ( !lastVertexBlock )
234 Logging( kHLTLogInfo, "HLT::GlobalMerger::DoEvent", "No vertex data block",
235 "No vertex data block found for event 0x%08lX (%lu).", evtData.fEventID, evtData.fEventID );
239 fVertex->Read( (AliHLTTPCVertexData*)( lastVertexBlock->fPtr ) );
241 // Add all tracks into the merger
242 sdIter = slices.begin();
243 sdEnd = slices.end();
245 while ( sdIter != sdEnd )
247 if ( sdIter->fVertexBlock )
249 fVertex->Read( (AliHLTTPCVertexData*)( sdIter->fVertexBlock->fPtr ) );
250 fGlobalMerger->SetVertex( fVertex );
252 for ( int slNr=lastSlice+1; slNr<=sdIter->fSlice; slNr++ )
253 fGlobalMerger->InitSlice( slNr );
254 if ( sdIter->fTrackletBlock )
256 inPtr = (AliHLTTPCTrackletData*)( sdIter->fTrackletBlock->fPtr );
259 Logging( kHLTLogError, "HLT::GlobalMerger::DoEvent", "No track data block",
260 "No track data block found for event 0x%08lX (%lu).", evtData.fEventID, evtData.fEventID );
264 //fGlobalMerger->InitSlice( sdIter->fSlice );
265 fGlobalMerger->FillTracks( inPtr->fTrackletCnt, inPtr->fTracklets );
268 lastSlice = sdIter->fSlice;
271 for ( int slNr=lastSlice+1; slNr<=35; slNr++ )
272 fGlobalMerger->InitSlice( slNr );
275 // Now we can really merge
276 fGlobalMerger->Merge();
277 fGlobalMerger->AddAllTracks();
280 outPtr = (AliHLTTPCTrackletData*)(outputPtr);
282 tSize = fGlobalMerger->GetOutTracks()->WriteTracks( ntracks0, outPtr->fTracklets );
283 outPtr->fTrackletCnt = ntracks0;
285 tSize += sizeof(AliHLTTPCTrackletData);
287 AliHLTComponentBlockData bd;
291 bd.fSpecification = AliHLTTPCDefinitions::EncodeDataSpecification( minSlice, maxSlice, 0, 5 );
292 outputBlocks.push_back( bd );