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.
31 #include "AliHLTTPCGlobalMergerComponent.h"
32 #include "AliHLTTPCTransform.h"
33 #include "AliHLTTPCGlobalMerger.h"
34 #include "AliHLTTPCVertex.h"
35 #include "AliHLTTPCVertexData.h"
36 #include "AliHLTTPCTrackSegmentData.h"
37 #include "AliHLTTPCTrackArray.h"
38 #include "AliHLTTPCTrackletDataFormat.h"
39 //#include "AliHLTTPCSpacePointData.h"
40 //#include "AliHLTTPCClusterDataFormat.h"
41 #include "AliHLTTPCDefinitions.h"
45 /** ROOT macro for the implementation of ROOT specific class methods */
46 ClassImp(AliHLTTPCGlobalMergerComponent);
48 AliHLTTPCGlobalMergerComponent::AliHLTTPCGlobalMergerComponent()
53 // see header file for class documentation
55 // refer to README to build package
57 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
60 AliHLTTPCGlobalMergerComponent::~AliHLTTPCGlobalMergerComponent()
62 // see header file for class documentation
65 // Public functions to implement AliHLTComponent's interface.
66 // These functions are required for the registration process
68 const char* AliHLTTPCGlobalMergerComponent::GetComponentID()
70 // see header file for class documentation
71 return "TPCGlobalMerger";
74 void AliHLTTPCGlobalMergerComponent::GetInputDataTypes(AliHLTComponentDataTypeList& list)
76 // see header file for class documentation
78 list.push_back( AliHLTTPCDefinitions::fgkTrackSegmentsDataType );
79 list.push_back( AliHLTTPCDefinitions::fgkVertexDataType );
82 AliHLTComponentDataType AliHLTTPCGlobalMergerComponent::GetOutputDataType()
84 // see header file for class documentation
85 return AliHLTTPCDefinitions::fgkTracksDataType;
88 void AliHLTTPCGlobalMergerComponent::GetOutputDataSize( unsigned long& constBase, double& inputMultiplier )
90 // see header file for class documentation
91 // XXX TODO: Find more realistic values.
93 inputMultiplier = 1.0;
96 AliHLTComponent* AliHLTTPCGlobalMergerComponent::Spawn()
98 // see header file for class documentation
99 return new AliHLTTPCGlobalMergerComponent;
102 void AliHLTTPCGlobalMergerComponent::SetMergerParameters(Double_t maxy,Double_t maxz,Double_t maxkappa,Double_t maxpsi,Double_t maxtgl)
104 // see header file for class documentation
105 fGlobalMerger->SetParameter( maxy, maxz, maxkappa, maxpsi, maxtgl );
108 int AliHLTTPCGlobalMergerComponent::DoInit( int /*argc*/, const char** /*argv*/ )
110 // see header file for class documentation
111 if ( fGlobalMerger || fVertex )
113 fGlobalMerger = new AliHLTTPCGlobalMerger();
114 fVertex = new AliHLTTPCVertex();
115 SetMergerParameters();
119 int AliHLTTPCGlobalMergerComponent::DoDeinit()
121 // see header file for class documentation
123 delete fGlobalMerger;
124 fGlobalMerger = NULL;
131 int AliHLTTPCGlobalMergerComponent::DoEvent( const AliHLTComponentEventData& evtData, const AliHLTComponentBlockData* blocks,
132 AliHLTComponentTriggerData& /*trigData*/, AliHLTUInt8_t* outputPtr,
133 AliHLTUInt32_t& size, AliHLTComponentBlockDataList& outputBlocks )
135 // see header file for class documentation
137 AliHLTUInt32_t capacity=size;
140 if (!IsDataEvent()) return 0;
142 const AliHLTComponentBlockData* iter = NULL;
143 const AliHLTComponentBlockData* lastVertexBlock = NULL;
146 std::vector<SliceData> slices;
147 std::vector<SliceData>::iterator sdIter, sdEnd;
148 int minSlice = INT_MAX, maxSlice = 0;
150 AliHLTTPCTrackletData* inPtr;
151 AliHLTTPCTrackletData* outPtr;
155 // Create sorted (by slice number) list of data (tracks and vertex) for each slice present.
156 // also note the min and max slice numbers
157 for ( ndx = 0; ndx < evtData.fBlockCnt; ndx++ )
160 bool bIsTrackSegDataBlock=false;
161 bool bIsVertexDataBlock=false;
162 if(!(bIsTrackSegDataBlock=(iter->fDataType==AliHLTTPCDefinitions::fgkTrackSegmentsDataType)) &&
163 !(bIsVertexDataBlock=(iter->fDataType==AliHLTTPCDefinitions::fgkVertexDataType))){
167 slice = AliHLTTPCDefinitions::GetMinSliceNr( *iter );
168 if (slice<0 || slice>=AliHLTTPCTransform::GetNSlice()) {
169 HLTError("invalid slice number %d extracted from specification 0x%08lx, skipping block of type %s",
170 slice, iter->fSpecification, DataType2Text(iter->fDataType).c_str());
171 // just remember the error, if there are other valid blocks ignore the
172 // error, return code otherwise
176 if (slice!=AliHLTTPCDefinitions::GetMaxSliceNr( *iter )) {
177 // the code was not written for/ never used with multiple slices
178 // in one data block/ specification
179 HLTWarning("specification 0x%08lx indicates multiple slices in data block %s: never used before, please audit the code",
180 iter->fSpecification, DataType2Text(iter->fDataType).c_str());
183 sdIter = slices.begin();
184 sdEnd = slices.end();
185 while ( sdIter != sdEnd )
187 if ( sdIter->fSlice > slice || sdIter->fSlice == slice )
191 if ( sdIter==sdEnd || sdIter->fSlice>slice )
193 if ( sdIter == sdEnd )
195 if ( sdIter==slices.begin() )
199 sd.fVertexBlock = NULL;
200 sd.fVertexBlockIndex = 0;
201 sd.fTrackletBlock = NULL;
202 sd.fTrackletBlockIndex = 0;
203 sdIter = slices.insert( sdIter, sd );
205 if ( sdIter->fSlice == slice )
207 if (bIsTrackSegDataBlock)
209 if ( !sdIter->fTrackletBlock )
211 sdIter->fTrackletBlock = iter;
212 sdIter->fTrackletBlockIndex = ndx;
216 Logging( kHLTLogError, "HLT::GlobalMerger::DoEvent", "Duplicate track data block",
217 "Duplicate track data block for slice %lu in event 0x%08lX (%lu) - previous block: %lu - new block: %lu.",
218 slice, evtData.fEventID, evtData.fEventID, sdIter->fTrackletBlockIndex, ndx );
221 if (bIsVertexDataBlock)
223 lastVertexBlock = iter;
224 if ( !sdIter->fVertexBlock )
226 sdIter->fVertexBlock = iter;
227 sdIter->fVertexBlockIndex = ndx;
231 Logging( kHLTLogError, "HLT::GlobalMerger::DoEvent", "Duplicate vertex data block",
232 "Duplicate vertex data block for slice %lu in event 0x%08lX (%lu) - previous block: %lu - new block: %lu.",
233 slice, evtData.fEventID, evtData.fEventID, sdIter->fVertexBlockIndex, ndx );
239 // skip the processing if there was no track segment data
240 if (slices.size()==0) {
245 //fGlobalMerger->Setup( minSlice, maxSlice );
246 fGlobalMerger->Setup( 0, 35 );
248 if ( !lastVertexBlock )
250 Logging( kHLTLogInfo, "HLT::GlobalMerger::DoEvent", "No vertex data block",
251 "No vertex data block found for event 0x%08lX (%lu).", evtData.fEventID, evtData.fEventID );
255 fVertex->Read( (AliHLTTPCVertexData*)( lastVertexBlock->fPtr ) );
257 // Add all tracks into the merger
258 sdIter = slices.begin();
259 sdEnd = slices.end();
261 while ( sdIter != sdEnd )
263 if ( sdIter->fVertexBlock )
265 fVertex->Read( (AliHLTTPCVertexData*)( sdIter->fVertexBlock->fPtr ) );
266 fGlobalMerger->SetVertex( fVertex );
268 for ( int slNr=lastSlice+1; slNr<=sdIter->fSlice; slNr++ )
269 fGlobalMerger->InitSlice( slNr );
270 if ( sdIter->fTrackletBlock )
272 inPtr = (AliHLTTPCTrackletData*)( sdIter->fTrackletBlock->fPtr );
275 Logging( kHLTLogError, "HLT::GlobalMerger::DoEvent", "No track data block",
276 "No track data block found for event 0x%08lX (%lu).", evtData.fEventID, evtData.fEventID );
280 //fGlobalMerger->InitSlice( sdIter->fSlice );
281 fGlobalMerger->FillTracks( inPtr->fTrackletCnt, inPtr->fTracklets );
284 lastSlice = sdIter->fSlice;
287 for ( int slNr=lastSlice+1; slNr<=35; slNr++ )
288 fGlobalMerger->InitSlice( slNr );
291 // Now we can really merge
292 fGlobalMerger->Merge();
293 fGlobalMerger->AddAllTracks();
295 // check if there was enough space in the output buffer
296 UInt_t ntracks0=fGlobalMerger->GetOutTracks()->GetNTracks();
297 if (outputPtr==NULL || (sizeof(AliHLTTPCTrackletData)+ntracks0*sizeof(AliHLTTPCTrackSegmentData)>capacity)) {
300 outPtr = (AliHLTTPCTrackletData*)(outputPtr);
302 tSize = fGlobalMerger->GetOutTracks()->WriteTracks( ntracks0, outPtr->fTracklets );
303 outPtr->fTrackletCnt = ntracks0;
305 tSize += sizeof(AliHLTTPCTrackletData);
307 AliHLTComponentBlockData bd;
311 bd.fSpecification = AliHLTTPCDefinitions::EncodeDataSpecification( minSlice, maxSlice, 0, 5 );
312 outputBlocks.push_back( bd );