#include <AliHeader.h>
#include <AliStack.h>
-#include <AliLog.h>
#include <AliLog.h>
#include <AliESD.h>
#include <AliESDEvent.h>
#include <AliESDVertex.h>
+#include <AliVertexerTracks.h>
+#include <AliMultiplicity.h>
#include <AliGenEventHeader.h>
#include <AliGenPythiaEventHeader.h>
#include <AliGenCocktailEventHeader.h>
+#include <AliGenDPMjetEventHeader.h>
+#include <AliESDVZERO.h>
//____________________________________________________________________
ClassImp(AliPWG0Helper)
-//____________________________________________________________________
-Bool_t AliPWG0Helper::IsEventTriggered(const AliESD* aEsd, Trigger trigger)
-{
- // see function with ULong64_t argument
-
- ULong64_t triggerMask = aEsd->GetTriggerMask();
- return IsEventTriggered(triggerMask, trigger);
-}
+Int_t AliPWG0Helper::fgLastProcessType = -1;
//____________________________________________________________________
-Bool_t AliPWG0Helper::IsEventTriggered(ULong64_t triggerMask, Trigger trigger)
+Bool_t AliPWG0Helper::TestVertex(const AliESDVertex* vertex, AnalysisMode analysisMode, Bool_t debug)
{
- // check if the event was triggered
- //
- // this function needs the branch fTriggerMask
-
+ // Checks if a vertex meets the needed quality criteria
- // definitions from p-p.cfg
- ULong64_t spdFO = (1 << 14);
- ULong64_t v0left = (1 << 11);
- ULong64_t v0right = (1 << 12);
-
- switch (trigger)
+ Float_t requiredZResolution = -1;
+ if (analysisMode & kSPD || analysisMode & kTPCITS)
{
- case kMB1:
- {
- if (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right)))
- return kTRUE;
- break;
- }
- case kMB2:
- {
- if (triggerMask & spdFO && ((triggerMask & v0left) || (triggerMask & v0right)))
- return kTRUE;
- break;
- }
+ requiredZResolution = 0.1;
}
+ else if (analysisMode & kTPC)
+ requiredZResolution = 10.;
- return kFALSE;
-}
-
-//____________________________________________________________________
-Bool_t AliPWG0Helper::IsVertexReconstructed(const AliESD* aEsd)
-{
- // see function with AliESDVertex argument
-
- const AliESDVertex* vtxESD = aEsd->GetVertex();
- return IsVertexReconstructed(vtxESD);
-}
-
-//____________________________________________________________________
-Bool_t AliPWG0Helper::IsVertexReconstructed(const AliESDVertex* vtxESD)
-{
- // checks if the vertex is reasonable
- //
- // this function needs the branches fSPDVertex*
-
- if (!vtxESD)
- return kFALSE;
-
- // the vertex should be reconstructed
- if (strcmp(vtxESD->GetName(), "default")==0)
- return kFALSE;
-
- // check Ncontributors
- if (vtxESD->GetNContributors() <= 0)
- return kFALSE;
-
- Double_t vtx_res[3];
- vtx_res[0] = vtxESD->GetXRes();
- vtx_res[1] = vtxESD->GetYRes();
- vtx_res[2] = vtxESD->GetZRes();
+ // check resolution
+ Double_t zRes = vertex->GetZRes();
- if (vtx_res[2]==0 || vtx_res[2]>0.1)
+ if (zRes > requiredZResolution) {
+ if (debug)
+ Printf("AliPWG0Helper::TestVertex: Resolution too poor %f (required: %f", zRes, requiredZResolution);
return kFALSE;
+ }
return kTRUE;
}
//____________________________________________________________________
-const AliESDVertex* AliPWG0Helper::GetVertex(const AliESDEvent* aEsd, AnalysisMode analysisMode)
+const AliESDVertex* AliPWG0Helper::GetVertex(AliESDEvent* aEsd, AnalysisMode analysisMode, Bool_t debug, Bool_t bRedoTPC)
{
// Get the vertex from the ESD and returns it if the vertex is valid
//
// also the quality criteria that are applied)
const AliESDVertex* vertex = 0;
- Float_t requiredZResolution = -1;
- if (analysisMode == kSPD || analysisMode == kTPCITS)
+ if (analysisMode & kSPD || analysisMode & kTPCITS)
{
- vertex = aEsd->GetVertex();
- requiredZResolution = 0.1;
+ vertex = aEsd->GetPrimaryVertexSPD();
+ if (debug)
+ Printf("AliPWG0Helper::GetVertex: Returning SPD vertex");
}
- else if (analysisMode == kTPC)
+ else if (analysisMode & kTPC)
{
- vertex = aEsd->GetPrimaryVertex();
- requiredZResolution = 0.6;
+ if(bRedoTPC){
+ if (debug)
+ Printf("AliPWG0Helper::GetVertex: Redoing vertex");
+ Double_t kBz = aEsd->GetMagneticField();
+ AliVertexerTracks vertexer(kBz);
+ vertexer.SetTPCMode();
+ AliESDVertex *vTPC = vertexer.FindPrimaryVertex(aEsd);
+ aEsd->SetPrimaryVertexTPC(vTPC);
+ for (Int_t i=0; i<aEsd->GetNumberOfTracks(); i++) {
+ AliESDtrack *t = aEsd->GetTrack(i);
+ t->RelateToVertexTPC(vTPC, kBz, kVeryBig);
+ }
+ delete vTPC;
+ }
+
+ vertex = aEsd->GetPrimaryVertexTPC();
+ if (debug)
+ Printf("AliPWG0Helper::GetVertex: Returning vertex from tracks");
}
else
Printf("AliPWG0Helper::GetVertex: ERROR: Invalid second argument %d", analysisMode);
- if (!vertex)
+ if (!vertex) {
+ if (debug)
+ Printf("AliPWG0Helper::GetVertex: No vertex found in ESD");
return 0;
+ }
// check Ncontributors
- if (vertex->GetNContributors() <= 0)
+ if (vertex->GetNContributors() <= 0) {
+ if (debug){
+ Printf("AliPWG0Helper::GetVertex: NContributors() <= 0: %d",vertex->GetNContributors());
+ Printf("AliPWG0Helper::GetVertex: NIndices(): %d",vertex->GetNIndices());
+ vertex->Print();
+ }
return 0;
+ }
// check resolution
Double_t zRes = vertex->GetZRes();
-
- if (zRes == 0 || zRes > requiredZResolution)
+ if (zRes == 0) {
+ Printf("AliPWG0Helper::GetVertex: UNEXPECTED: resolution is 0.");
return 0;
+ }
+
+ if (debug)
+ {
+ Printf("AliPWG0Helper::GetVertex: Returning valid vertex: %s", vertex->GetTitle());
+ vertex->Print();
+ }
return vertex;
}
}
Int_t pdgCode = TMath::Abs(aParticle->GetPdgCode());
+
// skip quarks and gluon
if (pdgCode <= 10 || pdgCode == 21)
return kFALSE;
}
+ Int_t status = aParticle->GetStatusCode();
+ // skip non final state particles..
+ if(status!=1){
+ if (adebug)
+ printf("Dropping particle because it is not a final state particle.\n");
+ return kFALSE;
+ }
+
if (strcmp(aParticle->GetName(),"XXX") == 0)
{
- if (adebug)
- printf("WARNING: There is a particle named XXX.\n");
+ Printf("WARNING: There is a particle named XXX (pdg code %d).", pdgCode);
return kFALSE;
}
if (strcmp(pdgPart->ParticleClass(),"Unknown") == 0)
{
- if (adebug)
- printf("WARNING: There is a particle with an unknown particle class (pdg code %d).\n", pdgCode);
+ Printf("WARNING: There is a particle with an unknown particle class (pdg code %d).", pdgCode);
return kFALSE;
}
return 0;
}
-//____________________________________________________________________
-Int_t AliPWG0Helper::GetPythiaEventProcessType(AliHeader* aHeader, Bool_t adebug) {
+
+AliPWG0Helper::MCProcessType AliPWG0Helper::GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug) {
+
+ AliGenPythiaEventHeader* pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(aHeader);
+
+ if (!pythiaGenHeader) {
+ printf("AliPWG0Helper::GetProcessType : Unknown gen Header type). \n");
+ return kInvalidProcess;
+ }
+
+
+ Int_t pythiaType = pythiaGenHeader->ProcessType();
+ fgLastProcessType = pythiaType;
+ MCProcessType globalType = kInvalidProcess;
+
+
+ if (adebug) {
+ printf("AliPWG0Helper::GetProcessType : Pythia process type found: %d \n",pythiaType);
+ }
+
+
+ if(pythiaType==92||pythiaType==93){
+ globalType = kSD;
+ }
+ else if(pythiaType==94){
+ globalType = kDD;
+ }
+ //else if(pythiaType != 91){ // also exclude elastic to be sure... CKB??
+ else {
+ globalType = kND;
+ }
+ return globalType;
+}
+
+
+AliPWG0Helper::MCProcessType AliPWG0Helper::GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug) {
//
// get the process type of the event.
//
// can only read pythia headers, either directly or from cocktalil header
+ AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(aHeader);
+
+ if (!dpmJetGenHeader) {
+ printf("AliPWG0Helper::GetDPMjetProcessType : Unknown header type (not DPMjet or). \n");
+ return kInvalidProcess;
+ }
+
+ Int_t dpmJetType = dpmJetGenHeader->ProcessType();
+ fgLastProcessType = dpmJetType;
+ MCProcessType globalType = kInvalidProcess;
+
+
+ if (adebug) {
+ printf("AliPWG0Helper::GetDPMJetProcessType : DPMJet process type found: %d \n",dpmJetType);
+ }
+
+
+ if(dpmJetType == 1){ // this is explicitly inelastic
+ globalType = kND;
+ }
+ else if(dpmJetType==5||dpmJetType==6){
+ globalType = kSD;
+ }
+ else if(dpmJetType==7||dpmJetType==4){// DD and double pomeron
+ globalType = kDD;
+ }
+ return globalType;
+}
+
+
+AliPWG0Helper::MCProcessType AliPWG0Helper::GetEventProcessType(AliHeader* aHeader, Bool_t adebug) {
+ //
+ // get the process type of the event.
+ //
+
+
+ // Check for simple headers first
+
AliGenPythiaEventHeader* pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(aHeader->GenEventHeader());
+ if (pythiaGenHeader) {
+ return GetPythiaEventProcessType(pythiaGenHeader,adebug);
+ }
- if (!pythiaGenHeader) {
+ AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(aHeader->GenEventHeader());
+ if (dpmJetGenHeader) {
+ return GetDPMjetEventProcessType(dpmJetGenHeader,adebug);
+ }
+
- AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(aHeader->GenEventHeader());
- if (!genCocktailHeader) {
- printf("AliPWG0Helper::GetProcessType : Unknown header type (not Pythia or Cocktail). \n");
- return -1;
- }
+ // check for cocktail
- TList* headerList = genCocktailHeader->GetHeaders();
- if (!headerList) {
- return -1;
- }
+ AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(aHeader->GenEventHeader());
+ if (!genCocktailHeader) {
+ printf("AliPWG0Helper::GetProcessType : Unknown header type (not Pythia or Cocktail). \n");
+ return kInvalidProcess;
+ }
+
+ TList* headerList = genCocktailHeader->GetHeaders();
+ if (!headerList) {
+ return kInvalidProcess;
+ }
+
+ for (Int_t i=0; i<headerList->GetEntries(); i++) {
- for (Int_t i=0; i<headerList->GetEntries(); i++) {
- pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(headerList->At(i));
- if (pythiaGenHeader)
- break;
+ pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(headerList->At(i));
+ if (pythiaGenHeader) {
+ return GetPythiaEventProcessType(pythiaGenHeader,adebug);
}
- if (!pythiaGenHeader) {
- printf("AliPWG0Helper::GetProcessType : Could not find Pythia header. \n");
- return -1;
+ dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(headerList->At(i));
+ if (dpmJetGenHeader) {
+ return GetDPMjetEventProcessType(dpmJetGenHeader,adebug);
}
}
+ return kInvalidProcess;
+}
- if (adebug) {
- printf("AliPWG0Helper::GetProcessType : Pythia process type found: %d \n",pythiaGenHeader->ProcessType());
- }
- return pythiaGenHeader->ProcessType();
-}
//____________________________________________________________________
TParticle* AliPWG0Helper::FindPrimaryMother(AliStack* stack, Int_t label)
return label;
}
-void AliPWG0Helper::SetBranchStatusRecursive(TTree* tree, char *bname, Bool_t status, Bool_t debug)
-{
- // Function to switch on/off all data members of a top level branch
- // this is needed for branches without a trailing dot ".", for those
- // the root functionality with regular expressions does not work.
- // Usage e.g.
- // chain->SetBranchStatus("*", 0);
- // SetBranchStatusRecursive(chain,"SPDVertex",1);
- // You need to give the full name of the top level branch zou want to access
- //==========================================================================
- // Author Christian.Klein-Boesing@cern.ch
-
- if (!tree)
- return;
-
- TBranch *br = tree->GetBranch(bname);
- if(!br) {
- Printf("AliPWG0Helper::SetBranchStatusRecursive: Branch %s not found", bname);
- }
-
- TObjArray *leaves = tree->GetListOfLeaves();
- Int_t nleaves = leaves->GetEntries();
- TLeaf *leaf = 0;
- TBranch *branch = 0;
- TBranch *mother = 0;
- for (Int_t i=0;i<nleaves;i++) {
- // the matched entry e.g. SPDVertex is its own Mother
- leaf = (TLeaf*)leaves->UncheckedAt(i);
- branch = (TBranch*)leaf->GetBranch();
- mother = branch->GetMother();
- if (mother==br){
- if (debug)
- Printf(">>>> AliPWG0Helper::SetBranchStatusRecursive: Setting status %s %s to %d", mother->GetName(), leaf->GetName(), status);
- if (status) branch->ResetBit(kDoNotProcess);
- else branch->SetBit(kDoNotProcess);
- }
- }
-}
-
//____________________________________________________________________
void AliPWG0Helper::NormalizeToBinWidth(TH1* hist)
{
hist->SetBinError(i, j, hist->GetBinError(i, j) / factor);
}
}
+
+//____________________________________________________________________
+void AliPWG0Helper::PrintConf(AnalysisMode analysisMode, AliTriggerAnalysis::Trigger trigger)
+{
+ //
+ // Prints the given configuration
+ //
+
+ TString str(">>>> Running with >");
+
+ if (analysisMode & kSPD)
+ str += "SPD-only";
+
+ if (analysisMode & kTPC)
+ str += "TPC-only";
+
+ if (analysisMode & kTPCITS)
+ str += "Global tracking";
+
+ if (analysisMode & kFieldOn)
+ {
+ str += " (with field)";
+ }
+ else
+ str += " (WITHOUT field)";
+
+ str += "< and trigger >";
+ str += AliTriggerAnalysis::GetTriggerName(trigger);
+ str += "< <<<<";
+
+ Printf("%s", str.Data());
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff