Changes to reduce noise in SDD reconstruction of cosmic ray data.

[u/mrichter/AliRoot.git] / ITS / AliITSRecoParam.cxx

diff --git a/ITS/AliITSRecoParam.cxx b/ITS/AliITSRecoParam.cxx
index 5cbeb13b0de6899fc28208e3b6d89f087203a8d8..451607b3e2edf4caf2f5a471ac0b6719c933e4c7 100644 (file)
--- a/ITS/AliITSRecoParam.cxx
+++ b/ITS/AliITSRecoParam.cxx
@@ -108,6 +108,7 @@ fSigmaXDeadZoneHit2(0),
 fSigmaZDeadZoneHit2(0),
 fXPassDeadZoneHits(0),
 fUseTGeoInTracker(3),
+fStepSizeTGeo(0.1),
 fAllowSharedClusters(kTRUE),
 fClusterErrorsParam(1),
 fComputePlaneEff(kFALSE),
@@ -131,12 +132,15 @@ fMinPhiSA(0.002),
 fMaxPhiSA(0.0145),
 fMinLambdaSA(0.003),
 fMaxLambdaSA(0.008),
+fMinClusterChargeSA(0.),
 fSAOnePointTracks(kFALSE),
 fSAUseAllClusters(kFALSE),
 fFindV0s(kTRUE),
 fUseUnfoldingInClusterFinderSPD(kFALSE),
 fUseUnfoldingInClusterFinderSDD(kTRUE),
 fUseUnfoldingInClusterFinderSSD(kTRUE),
+fUseSDDClusterSizeSelection(kFALSE),
+fMinClusterChargeSDD(0.),
 fUseChargeMatchingInClusterFinderSSD(kTRUE),
 fTrackleterOnlyOneTrackletPerC2(kTRUE),
 fTrackleterPhiWindow(0.08),
@@ -155,6 +159,7 @@ fUseCosmicRunShiftsSSD(kFALSE)
   SetLayersParameters();
   for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
   SetUseTGeoInTracker(3);
+  SetStepSizeTGeo(0.1);
   SetAllowSharedClusters(kTRUE);
   SetFindV0s(kTRUE);
   SetAddVirtualClustersInDeadZone(kFALSE);
@@ -179,6 +184,15 @@ AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
   AliITSRecoParam *param = new AliITSRecoParam();
   param->SetVertexerZ();
 
+  // use of bads from OCDB
+  param->SetUseBadZonesFromOCDB(kTRUE);
+  param->SetUseSingleBadChannelsFromOCDB(kFALSE);
+  // extended eta acceptance
+  param->SetExtendedEtaAcceptance(kFALSE);
+  // allow to skip layer if no cluster and no bad
+  param->SetAllowProlongationWithEmptyRoad(kFALSE);
+
+
   param->fMaxSnp = 0.95;
 
   param->fNSigmaYLayerForRoadY = 4.;
@@ -270,6 +284,15 @@ AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
   AliITSRecoParam *param = new AliITSRecoParam();
   param->SetVertexer3DDefaults();
 
+  // full use of bads from OCDB
+  param->SetUseBadZonesFromOCDB(kTRUE);
+  param->SetUseSingleBadChannelsFromOCDB(kTRUE);
+  // extended eta acceptance
+  param->SetExtendedEtaAcceptance(kTRUE);
+  // allow to skip layer if no cluster and no bad
+  param->SetAllowProlongationWithEmptyRoad(kTRUE);
+
+
   param->fMaxSnp = 0.95;
 
   param->fNSigmaYLayerForRoadY = 4.;
@@ -349,8 +372,9 @@ AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
   param->fSigmaXDeadZoneHit2 = 0.004/12.;
   param->fSigmaZDeadZoneHit2 = 0.001/12.;
   param->fXPassDeadZoneHits = 0.018;
-  param->SetNLoopsSA(10);
-
+  param->SetNLoopsSA(20);
+  param->fMaxPhiSA = 0.07;
+  param->fMaxLambdaSA = 0.04;
   return param;
 }
 //_____________________________________________________________________________