1 #include "AliITSUTrackCond.h"
2 #include "AliITSUAux.h"
6 using namespace AliITSUAux;
9 Char_t AliITSUTrackCond::fgkClSharing = 0;
10 Int_t AliITSUTrackCond::fgkMaxBranches = 50;
11 Int_t AliITSUTrackCond::fgkMaxCandidates = 500;
12 Float_t AliITSUTrackCond::fgkMaxTr2ClChi2 = 50.;
13 Float_t AliITSUTrackCond::fgkMaxChi2GloNrm = 50.;
14 Float_t AliITSUTrackCond::fgkMissPenalty = 2.;
15 Float_t AliITSUTrackCond::fgkMaxMatchChi2 = 15.;
16 Float_t AliITSUTrackCond::fgkMaxITSSAChi2 = 15;
17 //______________________________________________________________
18 AliITSUTrackCond::AliITSUTrackCond(int nLayers)
25 ,fMaxITSTPCMatchChi2(fgkMaxMatchChi2)
40 if (nLayers) SetNLayers(nLayers);
43 //______________________________________________________________
44 AliITSUTrackCond::AliITSUTrackCond(const AliITSUTrackCond& src)
46 ,fInitDone(src.fInitDone)
47 ,fActiveLrInner(src.fActiveLrInner)
48 ,fActiveLrOuter(src.fActiveLrOuter)
49 ,fAllowLayers(src.fAllowLayers)
52 ,fMaxITSTPCMatchChi2(src.fMaxITSTPCMatchChi2)
62 ,fNConditions(src.fNConditions)
63 ,fConditions(src.fConditions)
64 ,fAuxData(src.fAuxData)
67 SetNLayers(src.fNLayers);
68 fMaxClus = src.fMaxClus;
69 for (int i=fNLayers;i--;) {
70 SetMaxBranches(i,src.GetMaxBranches(i));
71 SetMaxCandidates(i,src.GetMaxCandidates(i));
72 SetMaxTr2ClChi2(i,src.GetMaxTr2ClChi2(i));
73 SetMaxChi2GloNrm(i,src.GetMaxChi2GloNrm(i));
74 SetMissPenalty(i,src.GetMissPenalty(i));
75 SetNSigmaRoadY(i,src.GetNSigmaRoadY(i));
76 SetNSigmaRoadZ(i,src.GetNSigmaRoadZ(i));
77 SetClSharing(i,src.GetClSharing(i));
80 for (int i=fMaxClus;i--;) SetMaxITSSAChi2(1+i,src.GetMaxITSSAChi2(1+i));
84 //______________________________________________________________
85 AliITSUTrackCond& AliITSUTrackCond::operator=(const AliITSUTrackCond& src)
89 fInitDone = src.fInitDone;
90 fActiveLrInner = src.fActiveLrInner;
91 fActiveLrOuter = src.fActiveLrOuter;
93 fAllowLayers = src.fAllowLayers;
94 fNConditions = src.fNConditions;
95 fConditions = src.fConditions;
96 fMaxITSTPCMatchChi2 = src.fMaxITSTPCMatchChi2;
98 SetNLayers(src.fNLayers);
100 for (int i=fNLayers;i--;) {
101 SetMaxBranches(i,src.GetMaxBranches(i));
102 SetMaxCandidates(i,src.GetMaxCandidates(i));
103 SetMaxTr2ClChi2(i,src.GetMaxTr2ClChi2(i));
104 SetMaxChi2GloNrm(i,src.GetMaxChi2GloNrm(i));
105 SetMissPenalty(i,src.GetMissPenalty(i));
106 SetNSigmaRoadY(i,src.GetNSigmaRoadY(i));
107 SetNSigmaRoadZ(i,src.GetNSigmaRoadZ(i));
108 SetClSharing(i,src.GetClSharing(i));
110 for (int i=fMaxClus;i--;) SetMaxITSSAChi2(1+i,src.GetMaxITSSAChi2(1+i));
112 fAuxData = src.fAuxData;
117 //______________________________________________________________
118 void AliITSUTrackCond::SetNLayers(int nLayers)
120 // set number of layers
124 delete[] fMaxBranches;
125 delete[] fMaxCandidates;
126 delete[] fMaxTr2ClChi2;
127 delete[] fMaxChi2GloNrm;
128 delete[] fMissPenalty;
129 delete[] fNSigmaRoadY;
130 delete[] fNSigmaRoadZ;
131 delete[] fMaxITSSAChi2;
134 fMaxClus = 2*fNLayers;
139 fActiveLrOuter = fNLayers-1;
140 fClSharing = new Char_t[fNLayers];
141 fMaxBranches = new Short_t[fNLayers];
142 fMaxCandidates = new Short_t[fNLayers];
143 fMaxTr2ClChi2 = new Float_t[fNLayers];
144 fMaxChi2GloNrm = new Float_t[fNLayers];
145 fMissPenalty = new Float_t[fNLayers];
146 fNSigmaRoadY = new Float_t[fNLayers];
147 fNSigmaRoadZ = new Float_t[fNLayers];
148 fMaxITSSAChi2 = new Float_t[fMaxClus];
149 for (int i=fNLayers;i--;) {
150 fAllowLayers |= 0x1<<i;
151 SetClSharing(i,fgkClSharing);
152 SetMaxBranches(i,fgkMaxBranches);
153 SetMaxCandidates(i,fgkMaxCandidates);
154 SetMaxTr2ClChi2(i,fgkMaxTr2ClChi2);
155 SetMaxChi2GloNrm(i,fgkMaxChi2GloNrm);
156 SetMissPenalty(i,fgkMissPenalty);
157 SetNSigmaRoadY(i,-1); // force recalculation
158 SetNSigmaRoadZ(i,-1); // force recalculation
160 for (int i=fMaxClus;i--;) SetMaxITSSAChi2(1+i,fgkMaxITSSAChi2);
175 //______________________________________________________________
176 void AliITSUTrackCond::AddGroupPattern(UShort_t patt,Int_t minCl)
178 // add new group pattern to last condition: the track should have at least minCl clusters at layers given by patt
179 if (fNConditions<1) AliFatal("Can be called only after AddCondition");
180 if (minCl>int(AliITSUAux::kMaxLayers)) AliFatal(Form("Requested Nlayers=%d exceeds max alowed %d",minCl,AliITSUAux::kMaxLayers));
181 if (minCl<1) AliFatal(Form("Requested Nlayers=%d for pattern %x",minCl,patt));
182 int ind = fConditions.GetSize();
183 fConditions.Set(ind+1);
184 fConditions[ind] = (patt&AliITSUAux::kMaxLrMask) | (minCl<<kShiftNcl);
185 fAuxData[(fNConditions-1)*kNAuxSz + kNGroups]++;
188 //______________________________________________________________
189 void AliITSUTrackCond::AddNewCondition(Int_t minClusters)
191 // add new track condition
192 fAuxData.Set( (1+fNConditions)*kNAuxSz );
193 fAuxData[fNConditions*kNAuxSz+kCondStart] = fConditions.GetSize();
194 fAuxData[fNConditions*kNAuxSz+kNGroups] = 0;
195 fAuxData[fNConditions*kNAuxSz+kMinClus] = minClusters;
200 //______________________________________________________________
201 Bool_t AliITSUTrackCond::CheckPattern(UShort_t patt) const
203 // check if the pattern matches to some condition
204 Short_t *arrAux = (Short_t*)fAuxData.GetArray();
205 UInt_t *arrGrp = (UInt_t*)fConditions.GetArray();
206 int ncl = NumberOfBitsSet(patt);
208 for (int ic=0;ic<fNConditions;ic++) {
209 if (arrAux[cntCond+kMinClus]>ncl) {cntCond+=kNAuxSz; continue;} // check number of clusters
210 int grAddr = arrAux[cntCond+kCondStart]; // 1st group pattern address in the condition
212 // if every group of the condition does not match, check next contition
213 for (int ig=arrAux[cntCond+kNGroups];ig--;) {
214 UInt_t pattReq = arrGrp[grAddr++];
215 UShort_t actLr = (pattReq&AliITSUAux::kMaxLrMask)&patt; // patter of active layers satisfying to mask
216 if (!actLr || NumberOfBitsSet(actLr)<int(pattReq>>kShiftNcl)) {ok = kFALSE; break;}
218 if (ok) return kTRUE;
224 //______________________________________________________________
225 void AliITSUTrackCond::Print(Option_t*) const
228 int nc = GetNConditions();
229 Short_t *arrAux = (Short_t*)fAuxData.GetArray();
230 UInt_t *arrGrp = (UInt_t*)fConditions.GetArray();
232 printf("Conditions set ID=%d : %d entries\n",GetID(),nc);
233 for (int i=0;i<nc;i++) {
234 printf("#%2d: MinCl:%2d | %d groups :",i,arrAux[cntCond+kMinClus],arrAux[cntCond+kNGroups]);
235 int grAddr = arrAux[cntCond+kCondStart];
236 for (int ig=arrAux[cntCond+kNGroups];ig--;) {
237 UInt_t patt = arrGrp[grAddr];
239 PrintBits(patt, fNLayers);
240 printf("|%d}",patt>>kShiftNcl);
247 printf("Allowed Layers: ");
248 for (int i=0;i<fNLayers;i++) if (!IsLayerExcluded(i)) printf(" %d",i); printf("\n");
250 printf("Cuts:\t%6s\t%6s\t%4s\t%8s\t%8s\t%8s\t%8s\t%8s\n", "MaxBrn","MaxCnd","ClSh","Chi2Cl","Chi2Glo","Mis.Pen.","NSig.Y","NSig.Z");
251 for (int i=0;i<fNLayers;i++) {
252 printf("Lr%2d:\t%6d\t%6d\t%4d\t%8.1f\t%8.2f\t%8.2f\t%8.2f\t%8.2f\n",i,
253 fMaxBranches[i],fMaxCandidates[i],fClSharing[i],fMaxTr2ClChi2[i],fMaxChi2GloNrm[i],fMissPenalty[i],fNSigmaRoadY[i],fNSigmaRoadZ[i]);
256 printf("ITS/TPC matching MaxChi2: %.3f\n",fMaxITSTPCMatchChi2);
257 printf("ITS_SA BWD fit MaxChi2 vs Ncl :");
258 for (int i=1;i<=fMaxClus;i++) if (GetMaxITSSAChi2(i)>1e-6) printf("\t%d: %.2f",i,GetMaxITSSAChi2(i)); printf("\n");
262 //______________________________________________________________
263 void AliITSUTrackCond::Init()
265 // finalize and check consistency
266 if (fInitDone) return;
269 for (int ilr=0;ilr<fNLayers;ilr++) {
270 if (IsLayerExcluded(ilr)) continue;
271 if (fActiveLrInner<0) fActiveLrInner = ilr;
272 fActiveLrOuter = ilr;
273 float nsig = Sqrt(2*GetMaxTr2ClChi2(ilr));
274 if (GetNSigmaRoadY(ilr)<0) SetNSigmaRoadY(ilr,nsig);
275 if (GetNSigmaRoadZ(ilr)<0) SetNSigmaRoadZ(ilr,nsig);
278 for (int i=fMaxClus;i--;) if (GetMaxITSSAChi2(1+1)<1e-6) SetMaxITSSAChi2(1+i,fgkMaxMatchChi2);
279 if (fMaxITSTPCMatchChi2<1e-6) SetMaxITSTPCMatchChi2(fgkMaxMatchChi2);