Line data Source code
1 : // $Id$
2 :
3 : // **************************************************************************
4 : // This file is property of and copyright by the ALICE HLT Project *
5 : // ALICE Experiment at CERN, All rights reserved. *
6 : // *
7 : // Primary Authors: Sergey Gorbunov <sergey.gorbunov@kip.uni-heidelberg.de> *
8 : // for The ALICE HLT Project. *
9 : // *
10 : // Permission to use, copy, modify and distribute this software and its *
11 : // documentation strictly for non-commercial purposes is hereby granted *
12 : // without fee, provided that the above copyright notice appears in all *
13 : // copies and that both the copyright notice and this permission notice *
14 : // appear in the supporting documentation. The authors make no claims *
15 : // about the suitability of this software for any purpose. It is *
16 : // provided "as is" without express or implied warranty. *
17 : // *
18 : //***************************************************************************
19 :
20 : /// @file AliHLTTPCTrackMCMarkerComponent.cxx
21 : /// @author Matthias Kretz
22 : /// @date
23 : /// @brief Marker component for TPC cluster mc labels.
24 : ///
25 :
26 : #include "AliHLTTPCTrackMCMarkerComponent.h"
27 : #include "AliHLTTPCCADef.h"
28 : #include "AliHLTTPCDefinitions.h"
29 : #include "AliHLTTPCSpacePointData.h"
30 : #include "AliHLTTPCClusterMCData.h"
31 :
32 : #include "AliCDBEntry.h"
33 : #include "AliCDBManager.h"
34 : #include "TObjString.h"
35 : #include "TObjArray.h"
36 : #include "AliHLTExternalTrackParam.h"
37 : #include "AliHLTTrackMCLabel.h"
38 : #include <climits>
39 : #include <cstdlib>
40 : #include <cerrno>
41 : #include <algorithm>
42 :
43 : // ROOT macro for the implementation of ROOT specific class methods
44 6 : ClassImp( AliHLTTPCTrackMCMarkerComponent )
45 :
46 :
47 3 : AliHLTTPCTrackMCMarkerComponent::AliHLTTPCTrackMCMarkerComponent()
48 15 : {
49 : // see header file for class documentation
50 1302 : for( int i=0; i<36*6; i++ ){
51 648 : fClusterLabels[i] = 0;
52 : }
53 6 : }
54 :
55 : // Public functions to implement AliHLTComponent's interface.
56 : // These functions are required for the registration process
57 :
58 : const char *AliHLTTPCTrackMCMarkerComponent::GetComponentID()
59 : {
60 : // see header file for class documentation
61 534 : return "TPCTrackMCMarker";
62 : }
63 :
64 : void AliHLTTPCTrackMCMarkerComponent::GetInputDataTypes( AliHLTComponentDataTypeList &list )
65 : {
66 : // see header file for class documentation
67 0 : list.clear();
68 0 : list.push_back( kAliHLTDataTypeTrack|kAliHLTDataOriginTPC );
69 0 : list.push_back(AliHLTTPCDefinitions::fgkAliHLTDataTypeClusterMCInfo);
70 0 : }
71 :
72 : AliHLTComponentDataType AliHLTTPCTrackMCMarkerComponent::GetOutputDataType()
73 : {
74 : // see header file for class documentation
75 0 : return kAliHLTDataTypeTrackMC|kAliHLTDataOriginTPC;
76 : }
77 :
78 : void AliHLTTPCTrackMCMarkerComponent::GetOutputDataSize( unsigned long &constBase, double &inputMultiplier )
79 : {
80 : // see header file for class documentation
81 0 : constBase = 0;
82 0 : inputMultiplier = 1.0;
83 0 : }
84 :
85 : AliHLTComponent *AliHLTTPCTrackMCMarkerComponent::Spawn()
86 : {
87 : // see header file for class documentation
88 0 : return new AliHLTTPCTrackMCMarkerComponent;
89 0 : }
90 :
91 :
92 :
93 :
94 : void AliHLTTPCTrackMCMarkerComponent::SetDefaultConfiguration()
95 : {
96 : // Set default configuration for the CA merger component
97 : // Some parameters can be later overwritten from the OCDB
98 0 : }
99 :
100 : int AliHLTTPCTrackMCMarkerComponent::ReadConfigurationString( const char* arguments )
101 : {
102 : // Set configuration parameters for the CA merger component from the string
103 :
104 : int iResult = 0;
105 0 : if ( !arguments ) return iResult;
106 :
107 0 : TString allArgs = arguments;
108 0 : TString argument;
109 : int bMissingParam = 0;
110 :
111 0 : TObjArray* pTokens = allArgs.Tokenize( " " );
112 :
113 0 : int nArgs = pTokens ? pTokens->GetEntries() : 0;
114 :
115 0 : for ( int i = 0; i < nArgs; i++ ) {
116 0 : argument = ( ( TObjString* )pTokens->At( i ) )->GetString();
117 0 : if ( argument.IsNull() ) continue;
118 :
119 0 : HLTError( "Unknown option \"%s\"", argument.Data() );
120 : iResult = -EINVAL;
121 0 : }
122 0 : delete pTokens;
123 :
124 0 : if ( bMissingParam ) {
125 0 : HLTError( "Specifier missed for parameter \"%s\"", argument.Data() );
126 : iResult = -EINVAL;
127 0 : }
128 :
129 : return iResult;
130 0 : }
131 :
132 :
133 : int AliHLTTPCTrackMCMarkerComponent::ReadCDBEntry( const char* /*cdbEntry*/, const char* /*chainId*/ )
134 : {
135 : // see header file for class documentation
136 :
137 : // no settings for a moment, no CDB path, threfore return
138 :
139 0 : return 0;
140 : /*
141 : const char* defaultNotify = "";
142 :
143 : if ( !cdbEntry ) {
144 : cdbEntry = "HLT/ConfigTPC/TPCTrackMCMarker";
145 : defaultNotify = " (default)";
146 : chainId = 0;
147 : }
148 :
149 : HLTInfo( "configure from entry \"%s\"%s, chain id %s", cdbEntry, defaultNotify, ( chainId != NULL && chainId[0] != 0 ) ? chainId : "<none>" );
150 : AliCDBEntry *pEntry = AliCDBManager::Instance()->Get( cdbEntry );//,GetRunNo());
151 :
152 : if ( !pEntry ) {
153 : HLTError( "cannot fetch object \"%s\" from CDB", cdbEntry );
154 : return -EINVAL;
155 : }
156 :
157 : TObjString* pString = dynamic_cast<TObjString*>( pEntry->GetObject() );
158 :
159 : if ( !pString ) {
160 : HLTError( "configuration object \"%s\" has wrong type, required TObjString", cdbEntry );
161 : return -EINVAL;
162 : }
163 :
164 : HLTInfo( "received configuration object string: \"%s\"", pString->GetString().Data() );
165 :
166 : return ReadConfigurationString( pString->GetString().Data() );
167 : */
168 : }
169 :
170 :
171 :
172 : int AliHLTTPCTrackMCMarkerComponent::Configure( const char* cdbEntry, const char* chainId, const char *commandLine )
173 : {
174 : // Configure the component
175 : // There are few levels of configuration,
176 : // parameters which are set on one step can be overwritten on the next step
177 :
178 : //* read hard-coded values
179 :
180 0 : SetDefaultConfiguration();
181 :
182 : //* read the default CDB entry
183 :
184 0 : int iResult1 = ReadCDBEntry( NULL, chainId );
185 :
186 : //* read the actual CDB entry if required
187 :
188 0 : int iResult2 = ( cdbEntry ) ? ReadCDBEntry( cdbEntry, chainId ) : 0;
189 :
190 : //* read extra parameters from input (if they are)
191 :
192 : int iResult3 = 0;
193 :
194 0 : if ( commandLine && commandLine[0] != '\0' ) {
195 0 : HLTInfo( "received configuration string from HLT framework: \"%s\"", commandLine );
196 0 : iResult3 = ReadConfigurationString( commandLine );
197 0 : }
198 :
199 0 : return iResult1 ? iResult1 : ( iResult2 ? iResult2 : iResult3 );
200 : }
201 :
202 :
203 :
204 :
205 : int AliHLTTPCTrackMCMarkerComponent::DoInit( int argc, const char** argv )
206 : {
207 : // see header file for class documentation
208 :
209 0 : TString arguments = "";
210 0 : for ( int i = 0; i < argc; i++ ) {
211 0 : if ( !arguments.IsNull() ) arguments += " ";
212 0 : arguments += argv[i];
213 : }
214 :
215 0 : return Configure( NULL, NULL, arguments.Data() );
216 0 : }
217 :
218 :
219 : int AliHLTTPCTrackMCMarkerComponent::Reconfigure( const char* cdbEntry, const char* chainId )
220 : {
221 : // Reconfigure the component from OCDB
222 :
223 0 : return Configure( cdbEntry, chainId, NULL );
224 : }
225 :
226 :
227 :
228 : int AliHLTTPCTrackMCMarkerComponent::DoDeinit()
229 : {
230 : // see header file for class documentation
231 :
232 0 : return 0;
233 : }
234 :
235 : Int_t AliHLTTPCTrackMCMarkerComponent::GetTrackMCLabel( unsigned int *hits, int nHits )
236 : {
237 : // get MC label for the track
238 :
239 : Int_t mcLabel = -1;
240 :
241 0 : std::vector<int> labels;
242 :
243 0 : for( Int_t ih=0; ih<nHits; ih++){
244 0 : UInt_t id = hits[ih];
245 0 : int iSlice = AliHLTTPCSpacePointData::GetSlice(id);
246 0 : int iPatch = AliHLTTPCSpacePointData::GetPatch(id);
247 0 : unsigned int iCluster = AliHLTTPCSpacePointData::GetNumber(id);
248 0 : if( iSlice<0 || iSlice>=36 || iPatch<0 || iPatch>5 ){
249 0 : HLTError("Corrupted TPC cluster Id: slice %d, patch %d, cluster %d",
250 : iSlice, iPatch,iCluster );
251 0 : continue;
252 : }
253 0 : AliHLTTPCClusterMCData *patchLabels = fClusterLabels[iSlice*6 + iPatch];
254 0 : if( !patchLabels ) continue;
255 0 : if( iCluster >= patchLabels->fCount ){
256 0 : HLTError("TPC slice %d, patch %d: ClusterID==%d >= N MC labels==%d ",
257 : iSlice, iPatch,iCluster, patchLabels->fCount);
258 0 : continue;
259 : }
260 0 : AliHLTTPCClusterMCLabel &lab = patchLabels->fLabels[iCluster];
261 0 : if ( lab.fClusterID[0].fMCID >= 0 ) labels.push_back( lab.fClusterID[0].fMCID );
262 0 : if ( lab.fClusterID[1].fMCID >= 0 ) labels.push_back( lab.fClusterID[1].fMCID );
263 0 : if ( lab.fClusterID[2].fMCID >= 0 ) labels.push_back( lab.fClusterID[2].fMCID );
264 0 : }
265 :
266 0 : std::sort( labels.begin(), labels.end() );
267 :
268 0 : labels.push_back( -1 ); // put -1 to the end
269 :
270 : int labelMax = -1, labelCur = -1, nLabelsMax = 0, nLabelsCurr = 0;
271 0 : for ( unsigned int iLab = 0; iLab < labels.size(); iLab++ ) {
272 0 : if ( labels[iLab] != labelCur ) {
273 0 : if ( labelCur >= 0 && nLabelsMax< nLabelsCurr ) {
274 : nLabelsMax = nLabelsCurr;
275 : labelMax = labelCur;
276 0 : }
277 0 : labelCur = labels[iLab];
278 : nLabelsCurr = 0;
279 0 : }
280 0 : nLabelsCurr++;
281 : }
282 :
283 0 : if( labelMax>=0 && nLabelsMax < 0.9 * nHits ) labelMax = -labelMax;
284 :
285 : mcLabel = labelMax;
286 :
287 : return mcLabel;
288 0 : }
289 :
290 :
291 : int AliHLTTPCTrackMCMarkerComponent::DoEvent( const AliHLTComponentEventData &evtData,
292 : const AliHLTComponentBlockData *blocks, AliHLTComponentTriggerData &/*trigData*/,
293 : AliHLTUInt8_t *outputPtr, AliHLTUInt32_t &size, AliHLTComponentBlockDataList &outputBlocks )
294 : {
295 : // see header file for class documentation
296 :
297 : int iResult = 0;
298 0 : unsigned int maxBufferSize = size;
299 :
300 0 : size = 0;
301 :
302 0 : if ( !outputPtr ) {
303 0 : return -ENOSPC;
304 : }
305 0 : if ( !IsDataEvent() ) {
306 0 : return 0;
307 : }
308 :
309 0 : for( int i=0; i<36*6; i++ ){
310 0 : fClusterLabels[i] = 0;
311 : }
312 :
313 0 : int nBlocks = (int)evtData.fBlockCnt;
314 :
315 : int nInputMCLabels = 0;
316 : int nInputTracks = 0;
317 :
318 : // first read all the MC information
319 0 : for (int ndx=0; ndx<nBlocks && iResult>=0; ndx++) {
320 0 : const AliHLTComponentBlockData* iter = blocks+ndx;
321 0 : if(iter->fDataType == AliHLTTPCDefinitions::fgkAliHLTDataTypeClusterMCInfo ) {
322 0 : Int_t slice=AliHLTTPCDefinitions::GetMinSliceNr(iter->fSpecification);
323 0 : Int_t patch=AliHLTTPCDefinitions::GetMinPatchNr(iter->fSpecification);
324 0 : fClusterLabels[ slice*6 + patch] = (AliHLTTPCClusterMCData*)iter->fPtr;
325 0 : nInputMCLabels+=fClusterLabels[ slice*6 + patch]->fCount;
326 0 : }
327 : }
328 :
329 : // read tracks and write output
330 :
331 :
332 : unsigned int mySize = 0;
333 :
334 0 : AliHLTTrackMCData* outPtr = ( AliHLTTrackMCData* )( outputPtr );
335 0 : AliHLTTrackMCLabel* currOutLabel = outPtr->fLabels;
336 :
337 0 : mySize = ( ( AliHLTUInt8_t * )currOutLabel ) - ( ( AliHLTUInt8_t * )outPtr );
338 :
339 0 : outPtr->fCount = 0;
340 :
341 0 : for (int ndx=0; ndx<nBlocks && iResult>=0; ndx++) {
342 0 : const AliHLTComponentBlockData* iter = blocks+ndx;
343 :
344 0 : if( iter->fDataType == ( kAliHLTDataTypeTrack|kAliHLTDataOriginTPC ) ){
345 0 : AliHLTTracksData* dataPtr = ( AliHLTTracksData* ) iter->fPtr;
346 0 : int nTracks = dataPtr->fCount;
347 0 : AliHLTExternalTrackParam* currTrack = dataPtr->fTracklets;
348 0 : for( int itr=0; itr<nTracks; itr++ ){
349 0 : nInputTracks++;
350 0 : Int_t mcLabel = GetTrackMCLabel( currTrack->fPointIDs, currTrack->fNPoints );
351 :
352 0 : currOutLabel->fTrackID = currTrack->fTrackID;
353 0 : currOutLabel->fMCLabel = mcLabel;
354 :
355 0 : if ( mySize + sizeof(AliHLTTrackMCLabel) > maxBufferSize ) {
356 0 : HLTWarning( "Output buffer size exceed (buffer size %d, current size %d), %d mc labels are not stored", maxBufferSize, mySize, nTracks - itr + 1 );
357 : iResult = -ENOSPC;
358 0 : break;
359 : }
360 0 : mySize += sizeof(AliHLTTrackMCLabel);
361 0 : currOutLabel++;
362 0 : outPtr->fCount++;
363 :
364 0 : unsigned int dSize = sizeof( AliHLTExternalTrackParam ) + currTrack->fNPoints * sizeof( unsigned int );
365 0 : currTrack = ( AliHLTExternalTrackParam* )( (( Byte_t * )currTrack) + dSize );
366 0 : }
367 0 : }
368 : }
369 :
370 :
371 0 : AliHLTComponentBlockData resultData;
372 0 : FillBlockData( resultData );
373 0 : resultData.fOffset = 0;
374 0 : resultData.fSize = mySize;
375 0 : resultData.fDataType = kAliHLTDataTypeTrackMC|kAliHLTDataOriginTPC;
376 0 : resultData.fSpecification = AliHLTTPCDefinitions::EncodeDataSpecification( 0, 35, 0, 5 );
377 0 : outputBlocks.push_back( resultData );
378 0 : size = resultData.fSize;
379 :
380 0 : HLTInfo( "TrackMCMarker:: input %d labels, %d tracks, output %d labels", nInputMCLabels, nInputTracks,outPtr->fCount );
381 :
382 : return iResult;
383 0 : }
384 :
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