/// searching for matching trigger tracks and fired strips.
///
/// To each track, a hit pattern for trigger chambers is set.
-/// The hit pattern is a UShort_t with 8 bits used:
-/// <pre>
-/// 1 1 0 1 1 1 0 1
-/// | | |
-/// ----------- ------------
-/// chamber: 11 12 13 14 | 11 12 13 14
-/// cathode: bending | non-bending
-/// </pre>
+///
/// The main method is:
/// * ExecuteValidation
///
#include "AliLog.h"
#include "AliTracker.h"
+#include "AliESDMuonTrack.h"
#include <Riostream.h>
#include <TArrayS.h>
AliMUONDigitStoreV1 digitStore;
fkDigitMaker.TriggerToDigitsStore(triggerStore,digitStore);
+ // Get the hit pattern for all trigger tracks
+ AliMUONTriggerTrack* triggerTrack;
+ TIter itTriggerTrack(triggerTrackStore.CreateIterator());
+ while ( ( triggerTrack = static_cast<AliMUONTriggerTrack*>(itTriggerTrack() ) ) ){
+ UShort_t pattern = GetHitPattern(triggerTrack, digitStore);
+ triggerTrack->SetHitsPatternInTrigCh(pattern);
+ AliDebug(1, Form("Hit pattern: hits 0x%x slat %2i board %3i effFlag %i",
+ pattern & 0xFF, AliESDMuonTrack::GetSlatOrInfo(pattern),
+ triggerTrack->GetLoTrgNum(), AliESDMuonTrack::GetEffFlag(pattern)));
+ }
+ // Match tracker tracks with trigger tracks.
TIter itTrack(trackStore.CreateIterator());
AliMUONTrack* track;
AliMUONTriggerTrack *matchedTriggerTrack = MatchTriggerTrack(track, trackParam, triggerTrackStore, triggerStore);
- UShort_t pattern = GetHitPattern(matchedTriggerTrack, digitStore, &trackParam);
+ // Copy trigger tracks hit pattern if there is matching,
+ // otherwise calculate the hit pattern directly from tracker track:
+ // the obtained pattern is good for check, but not good for efficiency determination.
+ UShort_t pattern = matchedTriggerTrack ?
+ matchedTriggerTrack->GetHitsPatternInTrigCh() :
+ GetHitPattern(&trackParam, digitStore);
+
track->SetHitsPatternInTrigCh(pattern);
}
}
//______________________________________________________________________________
UShort_t AliMUONTrackHitPattern::GetHitPattern(AliMUONTriggerTrack* matchedTriggerTrack,
- AliMUONVDigitStore& digitStore,
- AliMUONTrackParam* trackParam) const
+ AliMUONVDigitStore& digitStore) const
{
//
- /// Get hit pattern on trigger chambers for the current track
+ /// Get hit pattern on trigger chambers for the current trigger track
//
UShort_t pattern = 0;
- Bool_t isMatch[2];
- const Int_t kNTrackingCh = AliMUONConstants::NTrackingCh();
-
- Bool_t patternFromTrigTrack = kFALSE;
-
-
- // Calculate hit pattern from trigger track
- if(matchedTriggerTrack){
- patternFromTrigTrack = PerformTrigTrackMatch(pattern, matchedTriggerTrack, digitStore);
- }
-
- if(patternFromTrigTrack) return pattern;
-
+ PerformTrigTrackMatch(pattern, matchedTriggerTrack, digitStore);
+ return pattern;
+}
- // Calculate hit pattern from tracker track propagation
- // if hit pattern from trigger track failed and track parameters are provided
- if(!trackParam) return 0;
+//______________________________________________________________________________
+UShort_t AliMUONTrackHitPattern::GetHitPattern(AliMUONTrackParam* trackParam,
+ AliMUONVDigitStore& digitStore) const
+{
+ //
+ /// Get hit pattern on trigger chambers for the current tracker track
+ //
+ UShort_t pattern = 0;
+ Bool_t isMatch[2];
+ const Int_t kNTrackingCh = AliMUONConstants::NTrackingCh();
for(Int_t ch=0; ch<4; ++ch)
{
FindPadMatchingTrack(digitStore, *trackParam, isMatch, iChamber);
for(Int_t cath=0; cath<2; ++cath)
{
- if(isMatch[cath]) SetBit(pattern, cath, ch);
+ if(isMatch[cath]) AliESDMuonTrack::SetFiredChamber(pattern, cath, ch);
}
}
- return pattern;
-}
-
-
-//______________________________________________________________________________
-void AliMUONTrackHitPattern::SetBit(UShort_t& pattern, Int_t cathode, Int_t chamber) const
-{
- //
- /// Set hits pattern
- //
- const Int_t kMask[2][4]= {{0x80, 0x40, 0x20, 0x10},
- {0x08, 0x04, 0x02, 0x01}};
- pattern |= kMask[cathode][chamber];
-}
+ // pattern obtained by propagation of tracker track
+ // when it does not match the trigger.
+ AliESDMuonTrack::AddEffInfo(pattern, AliESDMuonTrack::kTrackerTrackPattern);
-//______________________________________________________________________________
-void AliMUONTrackHitPattern::AddEffInfo(UShort_t& pattern, Int_t slat, Int_t effType) const
-{
- //
- /// Set info on efficiency calculation
- //
- pattern += effType << 8;
- pattern += slat << 10;
+ return pattern;
}
-
//______________________________________________________________________________
void
AliMUONTrackHitPattern::ApplyMCSCorrections(AliMUONTrackParam& trackParam) const
}
}
- for(Int_t cath=0; cath<fgkNcathodes; cath++){
- if(padsInCheckArea[cath]>2) {
- AliDebug(1, Form("padsInCheckArea[%i] = %i\n",cath,padsInCheckArea[cath]));
- return -500;
- }
- }
-
if(isMatch[kBending] || isMatch[kNonBending]){
detElemId = foundDetElemId;
zRealMatch[ch] = foundZmatch;
coor[1] = yCoorAtPadZ;
}
+
+ // If track matches many pads, it is not good for effciency determination.
+ // However we still want to calculate the hit pattern.
+ for(Int_t cath=0; cath<fgkNcathodes; cath++){
+ if(padsInCheckArea[cath]>2) {
+ AliDebug(1, Form("padsInCheckArea[%i] = %i\n",cath,padsInCheckArea[cath]));
+ return -500;
+ }
+ }
+
return trigDigitBendPlane;
}
Int_t detElemIdFromTrack = DetElemIdFromPos(trackIntersectCh[currCh][0], trackIntersectCh[currCh][1], 11+currCh, 0);
if(detElemIdFromTrack<0) {
AliDebug(1, "Warning: trigger track outside trigger chamber\n");
+ isClearEvent = kFALSE;
+
+ // track is rejected since the extrapolated track
+ // does not match a slat (border effects)
+ AliESDMuonTrack::AddEffInfo(pattern, AliESDMuonTrack::kTrackOutsideGeometry);
continue;
}
triggeredDigits[currCh] = FindPadMatchingTrig(digitStore, detElemIdFromTrack, trackIntersectCh[currCh], isMatch, nboard, zRealMatch, y11);
// if FindPadMatchingTrig = -500 => too many digits matching pad =>
- // => Event not clear => Reject track
+ // => Event not clear => Do not use for efficiency calculation
if(triggeredDigits[currCh]<-100){
isClearEvent = kFALSE;
+ // track is rejected since it matches many pads
+ AliESDMuonTrack::AddEffInfo(pattern, AliESDMuonTrack::kTrackMatchesManyPads);
AliDebug(1, Form("Warning: track = %p (%i) matches many pads. Rejected!\n",(void *)matchedTrigTrack, detElemIdFromTrack));
- break;
}
for(Int_t cath=0; cath<fgkNcathodes; cath++){
if(!isMatch[cath]) continue;
- SetBit(pattern, cath, currCh);
+ AliESDMuonTrack::SetFiredChamber(pattern, cath, currCh);
digitPerTrack[cath]++;
trigScheme[cath][currCh]++;
slatThatTriggered[cath][currCh] = detElemIdFromTrack;
} // end chamber loop
for(Int_t cath=0; cath<fgkNcathodes; cath++){
- if(digitPerTrack[cath]<3) isClearEvent = kFALSE;
- if(!isClearEvent) AliDebug(1, Form("Warning: found %i digits for trigger track cathode %i.\nRejecting event\n", digitPerTrack[cath],cath));
+ if(digitPerTrack[cath]<3) {
+ isClearEvent = kFALSE;
+ // track is rejected since the number of associated
+ // digits found is less than 3.
+ AliESDMuonTrack::AddEffInfo(pattern, AliESDMuonTrack::kTrackMatchesFewPads);
+ AliDebug(1, Form("Warning: found %i digits for trigger track cathode %i.\nRejecting event\n", digitPerTrack[cath],cath));
+ }
}
if(!isClearEvent) return kFALSE;
- Int_t goodForEff = kBoardEff;
+ AliESDMuonTrack::EAliTriggerChPatternFlag goodForEff = AliESDMuonTrack::kBoardEff;
Int_t ineffSlat = -1;
Int_t ineffDetElId = -1;
isCurrChIneff = kTRUE;
}
if(currSlat!=firstSlat) {
- AddEffInfo(pattern, 20, kChEff);
+ AliESDMuonTrack::AddEffInfo(pattern,
+ AliESDMuonTrack::kCrossDifferentSlats,
+ AliESDMuonTrack::kChEff); // track crosses different slats
return kTRUE;
}
Bool_t atLeastOneLoc=kFALSE;
break;
}
}
- if(!atLeastOneLoc) goodForEff = kSlatEff;
+ if(!atLeastOneLoc) goodForEff = AliESDMuonTrack::kSlatEff;
} // end chamber loop
- AddEffInfo(pattern, firstSlat, goodForEff);
+ AliESDMuonTrack::AddEffInfo(pattern, firstSlat, goodForEff);
return kTRUE;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff