2 // Class that contains header information for each event.
4 // Used by standalone PWGLF/Forward AOD productions
6 #include "AliAODForwardHeader.h"
10 #include <TObjString.h>
11 #include <TObjArray.h>
13 ClassImp(AliAODForwardHeader)
18 //____________________________________________________________________
19 const Float_t AliAODForwardHeader::fgkInvalidIpZ = 1e6;
21 //____________________________________________________________________
23 AliAODForwardHeader::Clear(Option_t* /*option*/)
25 // Clear (or reset) internal values
28 // option Passed to TH1::Reset
35 //____________________________________________________________________
37 AliAODForwardHeader::HasIpZ() const
39 // Check if we have valid z coordinate of the interaction point
42 // true if the z coordinate of the interaction point is valid
44 return TMath::Abs(fIpZ - fgkInvalidIpZ) > 1;
46 //____________________________________________________________________
48 AliAODForwardHeader::Browse(TBrowser* b)
54 static TObjString ipz;
55 static TObjString trg;
56 static TObjString cnt;
57 static TObjString ncl;
58 ipz = Form("ip_z=%fcm", fIpZ);
59 trg = GetTriggerString(fTriggers);
60 cnt = Form("%+6.1f%%", fCentrality);
61 ncl = Form("%d clusters", fNClusters);
70 void AppendAnd(TString& trg, const TString& what)
72 if (!trg.IsNull()) trg.Append(" & ");
76 //____________________________________________________________________
78 AliAODForwardHeader::GetTriggerString(UInt_t mask)
80 // Get a string that describes the triggers
83 // mask Bit pattern of triggers
85 // Character string representation of mask
88 if ((mask & kInel) != 0x0) AppendAnd(trg, "INEL");
89 if ((mask & kInelGt0) != 0x0) AppendAnd(trg, "INEL>0");
90 if ((mask & kNSD) != 0x0) AppendAnd(trg, "NSD");
91 if ((mask & kV0AND) != 0x0) AppendAnd(trg, "V0AND");
92 if ((mask & kA) != 0x0) AppendAnd(trg, "A");
93 if ((mask & kB) != 0x0) AppendAnd(trg, "B");
94 if ((mask & kC) != 0x0) AppendAnd(trg, "C");
95 if ((mask & kE) != 0x0) AppendAnd(trg, "E");
96 if ((mask & kMCNSD) != 0x0) AppendAnd(trg, "MCNSD");
97 if ((mask & kNClusterGt0) != 0x0) AppendAnd(trg, "NCluster>0");
98 if ((mask & kSatellite) != 0x0) AppendAnd(trg, "Satellite");
101 //____________________________________________________________________
103 AliAODForwardHeader::MakeTriggerHistogram(const char* name, Int_t mask)
106 // Make a histogram to record triggers in.
108 // The bins defined by the trigger enumeration in this class. One
109 // can use this enumeration to retrieve the number of triggers for
113 // name Name of the histogram
116 // Newly allocated histogram
121 sel = GetTriggerString(mask);
122 andSel = GetTriggerString(mask & ~kB);
123 andSel.Prepend(" & ");
125 TH1I* ret = new TH1I(name, "Triggers", kAccepted+1, -.5, kAccepted+.5);
126 ret->SetYTitle("Events");
127 ret->SetFillColor(kRed+1);
128 ret->SetFillStyle(3001);
129 ret->GetXaxis()->SetBinLabel(kBinAll, "All events");
130 ret->GetXaxis()->SetBinLabel(kBinB, Form("B (Coll.)%s",
132 ret->GetXaxis()->SetBinLabel(kBinA, Form("A%s", andSel.Data()));
133 ret->GetXaxis()->SetBinLabel(kBinC, Form("C%s", andSel.Data()));
134 ret->GetXaxis()->SetBinLabel(kBinE, Form("E%s", andSel.Data()));
135 ret->GetXaxis()->SetBinLabel(kBinInel, "Coll. & INEL");
136 ret->GetXaxis()->SetBinLabel(kBinInelGt0, "Coll. & INEL>0");
137 ret->GetXaxis()->SetBinLabel(kBinNSD, "Coll. & NSD");
138 ret->GetXaxis()->SetBinLabel(kBinV0AND, "Coll. & V0AND");
139 ret->GetXaxis()->SetBinLabel(kBinMCNSD, "NSD (MC truth)");
140 ret->GetXaxis()->SetBinLabel(kBinSatellite, "Satellite");
141 ret->GetXaxis()->SetBinLabel(kBinPileUp, "w/Pileup");
142 ret->GetXaxis()->SetBinLabel(kBinOffline, "w/Offline");
143 ret->GetXaxis()->SetBinLabel(kBinNClusterGt0, "w/N_{cluster}>1");
144 ret->GetXaxis()->SetBinLabel(kWithVertex, "w/Vertex");
145 ret->GetXaxis()->SetBinLabel(kWithTrigger, Form("w/Selected trigger (%s)",
147 ret->GetXaxis()->SetBinLabel(kAccepted, "Accepted by cut");
148 ret->GetXaxis()->SetNdivisions(kAccepted, false);
154 //____________________________________________________________________
156 AliAODForwardHeader::MakeStatusHistogram(const char* name)
159 // Make a histogram to record status in.
161 // The bins defined by the status enumeration in this class.
164 // name Name of the histogram
167 // Newly allocated histogram
169 TH1I* ret = new TH1I(name, "Event selection status",
170 kWrongVertex+1, -.5, kWrongVertex+.5);
171 ret->SetYTitle("Events");
172 ret->SetFillColor(kBlue+1);
173 ret->SetFillStyle(3001);
174 ret->GetXaxis()->SetBinLabel(kGoodEvent+1, "Good");
175 ret->GetXaxis()->SetBinLabel(kWrongCentrality+1, "Out-of-range centrality");
176 ret->GetXaxis()->SetBinLabel(kWrongTrigger+1, "Wrong trigger");
177 ret->GetXaxis()->SetBinLabel(kIsPileup+1, "Pile-up");
178 ret->GetXaxis()->SetBinLabel(kNoVertex+1, "No IP_{z}");
179 ret->GetXaxis()->SetBinLabel(kWrongVertex+1, "Out-or-range IP_{z}");
180 ret->GetXaxis()->SetNdivisions(kWrongVertex, false);
184 //____________________________________________________________________
186 AliAODForwardHeader::MakeTriggerMask(const char* what)
188 UShort_t trgMask = 0;
191 TObjArray* parts = trgs.Tokenize("&");
194 while ((trg = static_cast<TObjString*>(next()))) {
195 TString s(trg->GetString());
196 s.Strip(TString::kBoth, ' ');
198 if (s.IsNull()) continue;
199 if (s.CompareTo("INEL") == 0) trgMask |= kInel;
200 else if (s.CompareTo("INEL>0") == 0) trgMask |= kInelGt0;
201 else if (s.CompareTo("INELGT0") == 0) trgMask |= kInelGt0;
202 else if (s.CompareTo("NSD") == 0) trgMask |= kNSD;
203 else if (s.CompareTo("V0AND") == 0) trgMask |= kV0AND;
204 else if (s.CompareTo("MCNSD") == 0) trgMask |= kMCNSD;
205 else if (s.CompareTo("B") == 0) trgMask |= kB;
206 else if (s.CompareTo("A") == 0) trgMask |= kA;
207 else if (s.CompareTo("C") == 0) trgMask |= kC;
208 else if (s.CompareTo("SAT") == 0) trgMask |= kSatellite;
209 else if (s.CompareTo("E") == 0) trgMask |= kE;
210 else if (s.CompareTo("NCLUSTER>0") == 0) trgMask |= kNClusterGt0;
212 AliWarningGeneral("MakeTriggerMask",
213 Form("Unknown trigger %s", s.Data()));
218 //____________________________________________________________________
220 AliAODForwardHeader::CheckEvent(Int_t triggerMask,
221 Double_t vzMin, Double_t vzMax,
222 UShort_t cMin, UShort_t cMax,
223 TH1* hist, TH1* status) const
226 // Check if event meets the passses requirements.
228 // It returns true if @e all of the following is true
230 // - The trigger is within the bit mask passed.
231 // - The vertex is within the specified limits.
232 // - The centrality is within the specified limits, or if lower
233 // limit is equal to or larger than the upper limit.
235 // If a histogram is passed in the last parameter, then that
236 // histogram is filled with the trigger bits.
239 // triggerMask Trigger mask
240 // vzMin Minimum @f$ v_z@f$ (in centimeters)
241 // vzMax Maximum @f$ v_z@f$ (in centimeters)
242 // cMin Minimum centrality (in percent)
243 // cMax Maximum centrality (in percent)
244 // hist Histogram to fill
247 // @c true if the event meets the requirements
249 if (cMin < cMax && (cMin > fCentrality || cMax <= fCentrality)) {
250 if (status) status->Fill(kWrongCentrality);
255 Int_t tmp = triggerMask & ~kB;
256 hist->AddBinContent(kBinAll);
257 if (IsTriggerBits(kB|tmp)) hist->AddBinContent(kBinB);
258 if (IsTriggerBits(kA|tmp)) hist->AddBinContent(kBinA);
259 if (IsTriggerBits(kC|tmp)) hist->AddBinContent(kBinC);
260 if (IsTriggerBits(kE|tmp)) hist->AddBinContent(kBinE);
261 if (IsTriggerBits(kB|kInel)) hist->AddBinContent(kBinInel);
262 if (IsTriggerBits(kB|kInelGt0)) hist->AddBinContent(kBinInelGt0);
263 if (IsTriggerBits(kB|kNSD)) hist->AddBinContent(kBinNSD);
264 if (IsTriggerBits(kB|kV0AND)) hist->AddBinContent(kBinV0AND);
265 if (IsTriggerBits(kPileUp)) hist->AddBinContent(kBinPileUp);
266 if (IsTriggerBits(kMCNSD)) hist->AddBinContent(kBinMCNSD);
267 if (IsTriggerBits(kOffline)) hist->AddBinContent(kBinOffline);
268 if (IsTriggerBits(kNClusterGt0)) hist->AddBinContent(kBinNClusterGt0);
269 if (IsTriggerBits(kSatellite)) hist->AddBinContent(kBinSatellite);
270 if (IsTriggerBits(triggerMask) && !IsTriggerBits(kB|tmp))
271 Warning("CheckEvent", "event: 0x%x, mask: 0x%x, tmp: 0x%x, tmp|b: 0x%x",
272 fTriggers, triggerMask, tmp, tmp|kB);
274 // Check if we have an event of interest.
275 Int_t mask = triggerMask; //|kB
276 if (!IsTriggerBits(mask)) {
277 if (status) status->Fill(kWrongTrigger);
282 if (IsTriggerBits(kPileUp)) {
283 if (status) status->Fill(kIsPileup);
286 if (hist) hist->AddBinContent(kWithTrigger);
288 // Check that we have a valid vertex
289 if (vzMin < vzMax && !HasIpZ()) {
290 if (status) status->Fill(kNoVertex);
293 if (hist) hist->AddBinContent(kWithVertex);
295 // Check that vertex is within cuts
296 if (vzMin < vzMax && !InRange(vzMin, vzMax)) {
297 if (status) status->Fill(kWrongVertex);
300 if (hist) hist->AddBinContent(kAccepted);
302 if (status) status->Fill(kGoodEvent);
306 //____________________________________________________________________
308 AliAODForwardHeader::Print(Option_t* option) const
313 // option Passed to TH1::Print
314 std::cout << "Ipz: " << fIpZ << "cm " << (HasIpZ() ? "" : "in")
316 << "Triggers: " << GetTriggerString(fTriggers) << "\n"
317 << "Centrality: " << fCentrality << "%"
321 //____________________________________________________________________