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cf471b1e | 1 | // @(#) $Id$ |
2 | /************************************************************************** | |
3 | * This file is property of and copyright by the ALICE HLT Project * | |
4 | * ALICE Experiment at CERN, All rights reserved. * | |
5 | * * | |
6 | * Primary Authors: Jochen Thaeder <thaeder@kip.uni-heidelberg.de> * | |
7 | * Ivan Kisel <kisel@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 | // // | |
21 | // a TPC tracker processing component for the HLT based on CA by Ivan Kisel // | |
22 | // // | |
23 | /////////////////////////////////////////////////////////////////////////////// | |
24 | ||
25 | #if __GNUC__>= 3 | |
26 | using namespace std; | |
27 | #endif | |
28 | ||
29 | #include "AliHLTTPCCATrackerComponent.h" | |
30 | #include "AliHLTTPCTransform.h" | |
31 | #include "AliHLTTPCCATracker.h" | |
32 | #include "AliHLTTPCCAHit.h" | |
33 | #include "AliHLTTPCCAOutTrack.h" | |
34 | ||
cf471b1e | 35 | #include "AliHLTTPCSpacePointData.h" |
cf471b1e | 36 | #include "AliHLTTPCClusterDataFormat.h" |
37 | #include "AliHLTTPCTransform.h" | |
38 | #include "AliHLTTPCTrackSegmentData.h" | |
39 | #include "AliHLTTPCTrackArray.h" | |
40 | #include "AliHLTTPCTrackletDataFormat.h" | |
41 | #include "AliHLTTPCDefinitions.h" | |
42 | #include "TMath.h" | |
43 | #include "AliTPC.h" | |
44 | #include "AliTPCParam.h" | |
45 | #include "AliRun.h" | |
46 | #include <stdlib.h> | |
47 | #include <iostream> | |
48 | #include <errno.h> | |
49 | ||
50 | ||
51 | // this is a global object used for automatic component registration, do not use this | |
52 | AliHLTTPCCATrackerComponent gAliHLTTPCCATrackerComponent; | |
53 | ||
54 | ClassImp(AliHLTTPCCATrackerComponent) | |
55 | ||
56 | AliHLTTPCCATrackerComponent::AliHLTTPCCATrackerComponent() | |
57 | : | |
58 | fTracker(NULL), | |
cf471b1e | 59 | fBField(0) |
60 | { | |
61 | // see header file for class documentation | |
62 | // or | |
63 | // refer to README to build package | |
64 | // or | |
65 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
66 | } | |
67 | ||
68 | AliHLTTPCCATrackerComponent::AliHLTTPCCATrackerComponent(const AliHLTTPCCATrackerComponent&) | |
69 | : | |
70 | fTracker(NULL), | |
cf471b1e | 71 | fBField(0) |
72 | { | |
73 | // see header file for class documentation | |
74 | HLTFatal("copy constructor untested"); | |
75 | } | |
76 | ||
77 | AliHLTTPCCATrackerComponent& AliHLTTPCCATrackerComponent::operator=(const AliHLTTPCCATrackerComponent&) | |
78 | { | |
79 | // see header file for class documentation | |
80 | HLTFatal("assignment operator untested"); | |
81 | return *this; | |
82 | } | |
83 | ||
84 | AliHLTTPCCATrackerComponent::~AliHLTTPCCATrackerComponent() | |
4c256004 | 85 | { |
cf471b1e | 86 | // see header file for class documentation |
4c256004 | 87 | delete fTracker; |
88 | } | |
cf471b1e | 89 | |
4c256004 | 90 | // |
cf471b1e | 91 | // Public functions to implement AliHLTComponent's interface. |
92 | // These functions are required for the registration process | |
4c256004 | 93 | // |
cf471b1e | 94 | |
95 | const char* AliHLTTPCCATrackerComponent::GetComponentID() | |
4c256004 | 96 | { |
cf471b1e | 97 | // see header file for class documentation |
4c256004 | 98 | return "TPCCATracker"; |
99 | } | |
cf471b1e | 100 | |
101 | void AliHLTTPCCATrackerComponent::GetInputDataTypes( vector<AliHLTComponentDataType>& list) | |
4c256004 | 102 | { |
cf471b1e | 103 | // see header file for class documentation |
4c256004 | 104 | list.clear(); |
105 | list.push_back( AliHLTTPCDefinitions::fgkClustersDataType ); | |
106 | } | |
cf471b1e | 107 | |
108 | AliHLTComponentDataType AliHLTTPCCATrackerComponent::GetOutputDataType() | |
4c256004 | 109 | { |
cf471b1e | 110 | // see header file for class documentation |
4c256004 | 111 | return AliHLTTPCDefinitions::fgkTrackSegmentsDataType; |
112 | } | |
cf471b1e | 113 | |
114 | void AliHLTTPCCATrackerComponent::GetOutputDataSize( unsigned long& constBase, double& inputMultiplier ) | |
4c256004 | 115 | { |
116 | // define guess for the output data size | |
117 | constBase = 200; // minimum size | |
118 | inputMultiplier = 0.5; // size relative to input | |
119 | } | |
cf471b1e | 120 | |
121 | AliHLTComponent* AliHLTTPCCATrackerComponent::Spawn() | |
4c256004 | 122 | { |
cf471b1e | 123 | // see header file for class documentation |
4c256004 | 124 | return new AliHLTTPCCATrackerComponent; |
125 | } | |
cf471b1e | 126 | |
127 | int AliHLTTPCCATrackerComponent::DoInit( int argc, const char** argv ) | |
4c256004 | 128 | { |
129 | // Initialize the CA tracker component | |
130 | // | |
131 | // arguments could be: | |
132 | // bfield - the magnetic field value | |
133 | // | |
cf471b1e | 134 | |
4c256004 | 135 | if ( fTracker ) return EINPROGRESS; |
136 | ||
137 | fTracker = new AliHLTTPCCATracker(); | |
138 | ||
139 | // read command line | |
cf471b1e | 140 | |
4c256004 | 141 | int i = 0; |
142 | char* cpErr; | |
143 | while ( i < argc ){ | |
144 | if ( !strcmp( argv[i], "bfield" ) ){ | |
145 | if ( i+1 >= argc ) | |
cf471b1e | 146 | { |
4c256004 | 147 | Logging( kHLTLogError, "HLT::TPCCATracker::DoInit", "Missing B-field", "Missing B-field specifier." ); |
148 | return ENOTSUP; | |
149 | } | |
150 | fBField = strtod( argv[i+1], &cpErr ); | |
151 | if ( *cpErr ) | |
152 | { | |
153 | Logging( kHLTLogError, "HLT::TPCCATracker::DoInit", "Missing multiplicity", "Cannot convert B-field specifier '%s'.", argv[i+1] ); | |
154 | return EINVAL; | |
cf471b1e | 155 | } |
cf471b1e | 156 | |
4c256004 | 157 | Logging( kHLTLogDebug, "HLT::TPCCATracker::DoInit", "Reading command line", |
158 | "Magnetic field value is set to %f kG", fBField ); | |
159 | ||
160 | i += 2; | |
161 | continue; | |
cf471b1e | 162 | } |
4c256004 | 163 | |
164 | Logging(kHLTLogError, "HLT::TPCCATracker::DoInit", "Unknown Option", "Unknown option '%s'", argv[i] ); | |
165 | return EINVAL; | |
166 | } | |
167 | ||
168 | return 0; | |
169 | } | |
cf471b1e | 170 | |
171 | int AliHLTTPCCATrackerComponent::DoDeinit() | |
4c256004 | 172 | { |
cf471b1e | 173 | // see header file for class documentation |
4c256004 | 174 | if ( fTracker ) delete fTracker; |
175 | fTracker = NULL; | |
176 | return 0; | |
177 | } | |
cf471b1e | 178 | |
4c256004 | 179 | int AliHLTTPCCATrackerComponent::DoEvent |
180 | ( | |
181 | const AliHLTComponentEventData& evtData, | |
182 | const AliHLTComponentBlockData* blocks, | |
183 | AliHLTComponentTriggerData& trigData, | |
184 | AliHLTUInt8_t* outputPtr, | |
185 | AliHLTUInt32_t& size, | |
186 | vector<AliHLTComponentBlockData>& outputBlocks ) | |
cf471b1e | 187 | { |
4c256004 | 188 | // Event reconstruction in one TPC slice with CA Tracker |
cf471b1e | 189 | |
190 | Logging( kHLTLogDebug, "HLT::TPCCATracker::DoEvent", "DoEvent", "DoEvent()" ); | |
191 | if ( evtData.fBlockCnt<=0 ) | |
192 | { | |
193 | Logging( kHLTLogWarning, "HLT::TPCCATracker::DoEvent", "DoEvent", "no blocks in event" ); | |
194 | return 0; | |
195 | } | |
4c256004 | 196 | |
cf471b1e | 197 | const AliHLTComponentBlockData* iter = NULL; |
198 | unsigned long ndx; | |
4c256004 | 199 | AliHLTTPCClusterData* inPtrSP; |
cf471b1e | 200 | |
4c256004 | 201 | // Determine the slice number |
cf471b1e | 202 | |
4c256004 | 203 | Int_t slice=-1; |
204 | { | |
205 | std::vector<Int_t> slices; | |
206 | std::vector<Int_t>::iterator slIter; | |
207 | std::vector<unsigned> sliceCnts; | |
208 | std::vector<unsigned>::iterator slCntIter; | |
cf471b1e | 209 | |
4c256004 | 210 | for ( ndx = 0; ndx < evtData.fBlockCnt; ndx++ ){ |
cf471b1e | 211 | iter = blocks+ndx; |
4c256004 | 212 | if ( iter->fDataType != AliHLTTPCDefinitions::fgkClustersDataType ) continue; |
213 | ||
cf471b1e | 214 | slice = AliHLTTPCDefinitions::GetMinSliceNr( *iter ); |
4c256004 | 215 | Bool_t found = 0; |
cf471b1e | 216 | slCntIter = sliceCnts.begin(); |
4c256004 | 217 | for( slIter = slices.begin(); slIter!=slices.end(); slIter++, slCntIter++ ){ |
218 | if ( *slIter == slice ){ | |
219 | found = kTRUE; | |
220 | break; | |
cf471b1e | 221 | } |
4c256004 | 222 | } |
223 | if ( !found ){ | |
224 | slices.push_back( slice ); | |
225 | sliceCnts.push_back( 1 ); | |
226 | } else *slCntIter++; | |
cf471b1e | 227 | } |
228 | ||
229 | ||
4c256004 | 230 | // Determine slice number to really use. |
231 | if ( slices.size()>1 ) | |
232 | { | |
233 | Logging( kHLTLogError, "HLT::TPCSliceTracker::DoEvent", "Multiple slices found in event", | |
234 | "Multiple slice numbers found in event 0x%08lX (%lu). Determining maximum occuring slice number...", | |
235 | evtData.fEventID, evtData.fEventID ); | |
236 | unsigned maxCntSlice=0; | |
237 | slCntIter = sliceCnts.begin(); | |
238 | for( slIter = slices.begin(); slIter != slices.end(); slIter++, slCntIter++ ) | |
239 | { | |
240 | Logging( kHLTLogError, "HLT::TPCSliceTracker::DoEvent", "Multiple slices found in event", | |
241 | "Slice %lu found %lu times.", *slIter, *slCntIter ); | |
242 | if ( maxCntSlice<*slCntIter ) | |
243 | { | |
244 | maxCntSlice = *slCntIter; | |
245 | slice = *slIter; | |
246 | } | |
247 | } | |
248 | Logging( kHLTLogError, "HLT::TPCSliceTracker::DoEvent", "Multiple slices found in event", | |
249 | "Using slice %lu.", slice ); | |
250 | } | |
251 | else if ( slices.size()>0 ) | |
252 | { | |
253 | slice = *(slices.begin()); | |
254 | } | |
255 | } | |
256 | ||
257 | if( slice<0 ){ | |
258 | Logging( kHLTLogWarning, "HLT::TPCCATracker::DoEvent", "DoEvent", "no slices found in event" ); | |
259 | return 0; | |
260 | } | |
cf471b1e | 261 | |
4c256004 | 262 | |
263 | // Initialize the tracker | |
264 | ||
265 | Double_t Bz = fBField; | |
266 | ||
cf471b1e | 267 | { |
4c256004 | 268 | if( !fTracker ) fTracker = new AliHLTTPCCATracker; |
cf471b1e | 269 | Int_t iSec = slice; |
270 | Double_t inRmin = 83.65; | |
271 | Double_t inRmax = 133.3; | |
272 | Double_t outRmin = 133.5; | |
273 | Double_t outRmax = 247.7; | |
274 | Double_t plusZmin = 0.0529937; | |
275 | Double_t plusZmax = 249.778; | |
276 | Double_t minusZmin = -249.645; | |
277 | Double_t minusZmax = -0.0799937; | |
278 | Double_t dalpha = 0.349066; | |
279 | Double_t alpha = 0.174533 + dalpha*iSec; | |
280 | ||
281 | Bool_t zPlus = (iSec<18|| (iSec>=36&&iSec<54) ); | |
282 | Bool_t rInner = (iSec<36); | |
283 | Double_t zMin = zPlus ?plusZmin :minusZmin; | |
284 | Double_t zMax = zPlus ?plusZmax :minusZmax; | |
285 | Double_t rMin = rInner ?inRmin :outRmin; | |
286 | Double_t rMax = rInner ?inRmax :outRmax; | |
287 | Int_t inNRows = 63; | |
288 | Int_t outNRows = 96; | |
289 | Double_t inRowXFirst = 85.225; | |
290 | Double_t outRowXFirst =135.1; | |
291 | Double_t inRowXStep = 0.75; | |
292 | Double_t outRowXStep = 1.; | |
293 | Int_t nRows = rInner ?inNRows :outNRows; | |
294 | Double_t rowXFirst = rInner ?inRowXFirst :outRowXFirst; | |
295 | Double_t rowXStep = rInner ?inRowXStep :outRowXStep; | |
296 | ||
297 | Int_t nSectors = 72/2; | |
298 | ||
299 | Double_t padPitch = 0.4; | |
300 | Double_t sigmaZ = 0.228808; | |
301 | ||
4c256004 | 302 | //TPCZmin = -249.645, ZMax = 249.778 |
cf471b1e | 303 | |
304 | AliHLTTPCCAParam param; | |
305 | param.Initialize( iSec, inNRows+outNRows, inRowXFirst, inRowXStep,alpha, dalpha, | |
306 | inRmin, outRmax, zMin, zMax, padPitch, sigmaZ, Bz ); | |
307 | ||
308 | fTracker->Initialize( param ); | |
4c256004 | 309 | |
310 | // recalculate outer rows -> necessary for a moment | |
311 | ||
cf471b1e | 312 | for( Int_t irow=0; irow<outNRows; irow++){ |
313 | fTracker->Rows()[inNRows+irow].X() = outRowXFirst + irow*outRowXStep; | |
4c256004 | 314 | } |
cf471b1e | 315 | } |
316 | ||
4c256004 | 317 | |
318 | // min and max patch numbers and row numbers | |
319 | ||
320 | Int_t row[2] = {0,0}; | |
321 | Int_t minPatch=INT_MAX, maxPatch = 0; | |
322 | ||
323 | // total n Hits | |
cf471b1e | 324 | |
325 | Int_t nHitsTotal = 0; | |
4c256004 | 326 | |
327 | // sort patches | |
328 | ||
329 | std::vector<unsigned long> patchIndices; | |
330 | ||
331 | for ( ndx = 0; ndx < evtData.fBlockCnt; ndx++ ){ | |
332 | iter = blocks+ndx; | |
333 | if( iter->fDataType != AliHLTTPCDefinitions::fgkClustersDataType ) continue; | |
334 | if( slice!=AliHLTTPCDefinitions::GetMinSliceNr( *iter ) ) continue; | |
cf471b1e | 335 | inPtrSP = (AliHLTTPCClusterData*)(iter->fPtr); |
336 | nHitsTotal+=inPtrSP->fSpacePointCnt; | |
4c256004 | 337 | Int_t patch = AliHLTTPCDefinitions::GetMinPatchNr( *iter ); |
338 | if ( minPatch>patch ){ | |
339 | minPatch = patch; | |
340 | row[0] = AliHLTTPCTransform::GetFirstRow( patch ); | |
341 | } | |
342 | if ( maxPatch<patch ){ | |
343 | maxPatch = patch; | |
344 | row[1] = AliHLTTPCTransform::GetLastRow( patch ); | |
345 | } | |
346 | std::vector<unsigned long>::iterator pIter = patchIndices.begin(); | |
347 | while( pIter!=patchIndices.end() && AliHLTTPCDefinitions::GetMinPatchNr( blocks[*pIter] ) < patch ){ | |
348 | pIter++; | |
349 | } | |
350 | patchIndices.insert( pIter, ndx ); | |
cf471b1e | 351 | } |
4c256004 | 352 | |
353 | ||
354 | // pass event to CA Tracker | |
355 | ||
356 | fTracker->StartEvent(); | |
357 | ||
ce622827 | 358 | AliHLTTPCCAHit * vHits = new AliHLTTPCCAHit[nHitsTotal]; // CA hit array |
359 | Double_t * vHitStoreX = new Double_t[nHitsTotal]; // hit X coordinates | |
360 | Int_t * vHitStoreID = new Int_t[nHitsTotal]; // hit ID's | |
4c256004 | 361 | |
cf471b1e | 362 | Int_t nHits = 0; |
4c256004 | 363 | |
364 | Logging( kHLTLogDebug, "HLT::TPCCATracker::DoEvent", "Reading hits", | |
365 | "Total %d hits to read for slice %d", nHitsTotal, slice ); | |
366 | ||
367 | for( std::vector<unsigned long>::iterator pIter = patchIndices.begin(); pIter!=patchIndices.end(); pIter++ ){ | |
368 | ndx = *pIter; | |
369 | iter = blocks+ndx; | |
cf471b1e | 370 | |
4c256004 | 371 | Int_t patch = AliHLTTPCDefinitions::GetMinPatchNr( *iter ); |
372 | inPtrSP = (AliHLTTPCClusterData*)(iter->fPtr); | |
cf471b1e | 373 | |
4c256004 | 374 | Logging( kHLTLogDebug, "HLT::TPCCATracker::DoEvent", "Reading hits", |
375 | "Reading %d hits for slice %d - patch %d", inPtrSP->fSpacePointCnt, slice, patch ); | |
cf471b1e | 376 | |
4c256004 | 377 | // Read patch hits, row by row |
378 | ||
379 | Int_t oldRow = -1; | |
380 | Int_t nRowHits = 0; | |
381 | Int_t firstRowHit = 0; | |
382 | for (UInt_t i=0; i<inPtrSP->fSpacePointCnt; i++ ){ | |
383 | AliHLTTPCSpacePointData* pSP = &(inPtrSP->fSpacePoints[i]); | |
384 | ||
385 | //Logging( kHLTLogDebug, "HLT::TPCCATracker::DoEvent", "Reading hits", "hit pad %d, xyz=%f,%f,%f, sy=%f, sz=%f,", pSP->fPadRow, pSP->fX, pSP->fY, pSP->fZ, TMath::Sqrt(pSP->fSigmaY2), TMath::Sqrt(pSP->fSigmaZ2) ); | |
386 | ||
387 | if( pSP->fPadRow != oldRow ){ | |
388 | if( oldRow>=0 ) fTracker->ReadHitRow( oldRow, vHits+firstRowHit, nRowHits ); | |
389 | oldRow = pSP->fPadRow; | |
390 | firstRowHit = nHits; | |
391 | nRowHits = 0; | |
392 | } | |
393 | AliHLTTPCCAHit &h = vHits[nHits]; | |
394 | h.Y() = pSP->fY; | |
395 | h.Z() = pSP->fZ; | |
396 | h.ErrY() = TMath::Sqrt(pSP->fSigmaY2); | |
397 | h.ErrZ() = TMath::Sqrt(pSP->fSigmaZ2); | |
398 | h.ID() = nHits; | |
399 | vHitStoreX[nHits] = pSP->fX; | |
400 | vHitStoreID[nHits] = pSP->fID; | |
401 | nHits++; | |
402 | nRowHits++; | |
403 | } | |
404 | if( oldRow>=0 ) fTracker->ReadHitRow( oldRow, vHits+firstRowHit, nRowHits ); | |
405 | } | |
406 | ||
cf471b1e | 407 | |
408 | // reconstruct the event | |
409 | ||
410 | fTracker->Reconstruct(); | |
411 | ||
4c256004 | 412 | Int_t ret = 0; |
413 | ||
414 | Logging( kHLTLogDebug, "HLT::TPCCATracker::DoEvent", "Reconstruct", | |
415 | "%d tracks found for slice %d",fTracker->NOutTracks(), slice); | |
cf471b1e | 416 | |
417 | // write reconstructed tracks | |
418 | ||
419 | AliHLTTPCTrackletData* outPtr = (AliHLTTPCTrackletData*)(outputPtr); | |
420 | ||
421 | AliHLTTPCTrackSegmentData* currOutTracklet = outPtr->fTracklets; | |
422 | ||
423 | Int_t ntracks = fTracker->NOutTracks(); | |
4c256004 | 424 | |
425 | UInt_t mySize = ((AliHLTUInt8_t *)currOutTracklet) - ((AliHLTUInt8_t *)outputPtr); | |
426 | ||
427 | outPtr->fTrackletCnt = 0; | |
428 | ||
cf471b1e | 429 | for( int itr=0; itr<ntracks; itr++ ){ |
430 | ||
431 | AliHLTTPCCAOutTrack &t = fTracker->OutTracks()[itr]; | |
4c256004 | 432 | |
433 | //Logging( kHLTLogDebug, "HLT::TPCCATracker::DoEvent", "Wrtite output","track %d with %d hits", itr, t.NHits()); | |
434 | ||
435 | // calculate output track size | |
436 | ||
437 | UInt_t dSize = sizeof(AliHLTTPCTrackSegmentData) + t.NHits()*sizeof(UInt_t); | |
438 | ||
439 | if( mySize + dSize >size ){ | |
440 | Logging( kHLTLogWarning, "HLT::TPCCATracker::DoEvent", "Wrtite output","Output buffer size exceed (buffer size %d, current size %d), %d tracks are not stored", size, mySize, ntracks-itr+1); | |
441 | ret = -ENOSPC; | |
442 | break; | |
443 | } | |
444 | ||
445 | // convert CA track parameters to HLT Track Segment | |
446 | ||
cf471b1e | 447 | Int_t iFirstHit = fTracker->OutTrackHits()[t.FirstHitRef()]; |
448 | Int_t iLastHit = fTracker->OutTrackHits()[t.FirstHitRef()+t.NHits()-1]; | |
4c256004 | 449 | |
cf471b1e | 450 | AliHLTTPCCAHit &firstHit = vHits[iFirstHit]; |
451 | AliHLTTPCCAHit &lastHit = vHits[iLastHit]; | |
4c256004 | 452 | |
453 | t.Param().TransportBz(Bz, vHitStoreX[iFirstHit], firstHit.Y(), firstHit.Z() ); | |
454 | ||
cf471b1e | 455 | currOutTracklet->fX = t.Param().Par()[0]; |
456 | currOutTracklet->fY = t.Param().Par()[1]; | |
457 | currOutTracklet->fZ = t.Param().Par()[2]; | |
458 | Double_t qp = t.Param().Par()[6]; | |
459 | Double_t p = TMath::Abs(qp)>1.e-5 ?1./TMath::Abs(qp) :1.e5; | |
460 | Double_t ex = t.Param().Par()[3]; | |
461 | Double_t ey = t.Param().Par()[4]; | |
462 | Double_t ez = t.Param().Par()[5]; | |
463 | Double_t et = TMath::Sqrt( ex*ex + ey*ey ); | |
4c256004 | 464 | |
cf471b1e | 465 | currOutTracklet->fCharge = (qp>0) ?+1 :(qp<0 ?-1 :0); |
466 | currOutTracklet->fPt = p*et; | |
4c256004 | 467 | |
cf471b1e | 468 | Double_t h3 = TMath::Abs(ex) >1.e-5 ? p*ex/et :0; |
469 | Double_t h4 = TMath::Abs(ey) >1.e-5 ? p*ey/et :0; | |
470 | Double_t h5; | |
471 | Double_t h6 = - currOutTracklet->fCharge * p * currOutTracklet->fPt; | |
4c256004 | 472 | |
cf471b1e | 473 | currOutTracklet->fPterr = ( h3*h3*t.Param().Cov()[9] + h4*h4*t.Param().Cov()[14] + h6*h6*t.Param().Cov()[27] |
474 | + 2.*(h3*h4*t.Param().Cov()[13]+h3*h6*t.Param().Cov()[24]+h4*h6*t.Param().Cov()[25] ) | |
4c256004 | 475 | ); |
476 | currOutTracklet->fPsi = TMath::ATan2(ey, ex); | |
cf471b1e | 477 | |
478 | h3 = ex/(et*et); | |
479 | h4 = -ey/(et*et); | |
480 | currOutTracklet->fPsierr = h3*h3*t.Param().Cov()[9] + h4*h4*t.Param().Cov()[14] + 2.*h3*h4*t.Param().Cov()[13]; | |
481 | ||
482 | currOutTracklet->fTgl = TMath::Abs(ex)>1.e-5 ? ez/ex :1.e5; | |
483 | ||
484 | h3 = (TMath::Abs(ex) >1.e-5) ? -ez/ex/ex :0; | |
485 | h5 = (TMath::Abs(ex) >1.e-5) ? 1./ex :0; | |
486 | currOutTracklet->fTglerr = h3*h3*t.Param().Cov()[9] + h5*h5*t.Param().Cov()[20] + 2.*h3*h5*t.Param().Cov()[18]; | |
487 | ||
488 | currOutTracklet->fCharge = -currOutTracklet->fCharge; | |
4c256004 | 489 | |
490 | t.Param().TransportBz(Bz, vHitStoreX[iLastHit], lastHit.Y(), lastHit.Z() ); | |
491 | ||
cf471b1e | 492 | currOutTracklet->fLastX = t.Param().Par()[0]; |
493 | currOutTracklet->fLastY = t.Param().Par()[1]; | |
494 | currOutTracklet->fLastZ = t.Param().Par()[2]; | |
495 | ||
496 | currOutTracklet->fNPoints = t.NHits(); | |
497 | ||
498 | for( Int_t i=0; i<t.NHits(); i++ ){ | |
4c256004 | 499 | currOutTracklet->fPointIDs[i] = vHitStoreID[fTracker->OutTrackHits()[t.FirstHitRef()+i]]; |
cf471b1e | 500 | } |
4c256004 | 501 | |
502 | currOutTracklet = (AliHLTTPCTrackSegmentData*)( (Byte_t *)currOutTracklet + dSize ); | |
503 | mySize+=dSize; | |
504 | outPtr->fTrackletCnt++; | |
cf471b1e | 505 | } |
4c256004 | 506 | |
507 | Logging( kHLTLogDebug, "HLT::TPCCATracker::DoEvent", "Tracks", | |
508 | "Input: Number of tracks: %d Slice/MinPatch/MaxPatch/RowMin/RowMax: %d/%d/%d/%d/%d.", | |
cf471b1e | 509 | ntracks, slice, minPatch, maxPatch, row[0], row[1] ); |
510 | ||
cf471b1e | 511 | AliHLTComponentBlockData bd; |
512 | FillBlockData( bd ); | |
4c256004 | 513 | bd.fOffset = 0; |
cf471b1e | 514 | bd.fSize = mySize; |
515 | bd.fSpecification = AliHLTTPCDefinitions::EncodeDataSpecification( slice, slice, minPatch, maxPatch ); | |
516 | outputBlocks.push_back( bd ); | |
517 | ||
cf471b1e | 518 | size = mySize; |
ce622827 | 519 | |
520 | delete [] vHits; | |
521 | delete [] vHitStoreX; | |
522 | delete [] vHitStoreID; | |
cf471b1e | 523 | |
4c256004 | 524 | return ret; |
525 | ||
cf471b1e | 526 | } |
527 | ||
528 |