+/****************************************************************
+* This macro converts AliITSRecPoint(s) to AliITSclusterV2(s) *
+* Origin: I.Belikov, CERN, Jouri.Belikov@cern.ch *
+*****************************************************************/
+
#ifndef __CINT__
+ #include <Riostream.h>
+
#include "AliRun.h"
+ #include "AliRunLoader.h"
+ #include "AliLoader.h"
#include "AliITS.h"
#include "AliITSgeom.h"
- #include "AliITSRecPoint.h"
- #include "AliITSclusterV2.h"
- #include "AliITSsimulationFastPoints.h"
+ #include "AliITSclustererV2.h"
- #include "TFile.h"
- #include "TTree.h"
- #include "TParticle.h"
+ #include "TStopwatch.h"
#endif
-Int_t AliITSFindClustersV2() {
-/****************************************************************
- * Just something to start with *
- ****************************************************************/
- cerr<<"Looking for clusters...\n";
-
- if (gAlice) {delete gAlice; gAlice=0;}
-
- TFile *in=TFile::Open("galice.root","update");
- if (!in->IsOpen()) {
- cerr<<"Can't open galice.root !\n";
- return 1;
- }
-
- if (!(gAlice=(AliRun*)in->Get("gAlice"))) {
- cerr<<"Can't find gAlice !\n";
- return 2;
- }
-
- Int_t ev=0;
- gAlice->GetEvent(ev);
+Int_t AliITSFindClustersV2(Char_t SlowOrFast='f')
+{
+
+ cerr<<"AliITSRecPoint(s) -> AliITSclusterV2(s)...\n";
+
+ if (gAlice)
+ {
+ delete gAlice->GetRunLoader();
+ delete gAlice;
+ gAlice=0;
+ }
+
+ AliRunLoader* rl = AliRunLoader::Open("galice.root");
+ if (rl == 0x0)
+ {
+ cerr<<"AliITSHits2DigitsDefault.C : Can not open session RL=NULL"
+ << endl;
+ return 3;
+ }
+
+ Int_t retval = rl->LoadgAlice();
+ if (retval)
+ {
+ cerr<<"AliITSHits2DigitsDefault.C : LoadgAlice returned error"
+ << endl;
+ delete rl;
+ return 3;
+ }
+ gAlice=rl->GetAliRun();
+ rl->LoadHeader();
+ retval = rl->LoadKinematics();
+ if (retval)
+ {
+ cerr<<"AliITSHits2DigitsDefault.C : LoadKinematics returned error"
+ << endl;
+ delete rl;
+ return 3;
+ }
+
+ AliITSLoader* gime = (AliITSLoader*)rl->GetLoader("ITSLoader");
+ if (gime == 0x0)
+ {
+ cerr<<"AliITSHits2DigitsDefault.C : can not get ITS loader"
+ << endl;
+ }
+
+ rl->GetEvent(0);
AliITS *ITS = (AliITS*)gAlice->GetModule("ITS");
- if (!ITS) {
- cerr<<"Can't find the ITS !\n";
- return 3;
- }
-
- gAlice->MakeTree("R");
- ITS->MakeBranch("R",0);
- gAlice->TreeR()->Fill();
-
- //////////////// Taken from ITSHitsToFastPoints.C ///////////////////////
- AliITSsimulationFastPoints *sim = new AliITSsimulationFastPoints();
- for (Int_t i=0;i<3;i++) { ITS->SetSimulationModel(i,sim); }
-
- Int_t nsignal=25;
- Int_t size=-1;
- Int_t bgr_ev=Int_t(ev/nsignal);
- ITS->HitsToFastRecPoints(ev,bgr_ev,size," ","All"," ");
- //////////////////////////////////////////////////////////////////////////
-
- delete gAlice; gAlice=0;
- in->Close();
-
-///////////////// Conversion AliITSRecPoint -> AliITSclusterV2 //////////////
- /*TFile */in=TFile::Open("galice.root");
-
- if (gAlice) {delete gAlice; gAlice=0;}
-
- if (!(gAlice=(AliRun*)in->Get("gAlice"))) {
- cerr<<"Can't find gAlice !\n";
- return 4;
- }
-
- gAlice->GetEvent(0);
-
- /*AliITS */ITS = (AliITS*)gAlice->GetModule("ITS");
- if (!ITS) {
- cerr<<"Can't find the ITS !\n";
- return 5;
- }
+ if (!ITS) { cerr<<"Can't find the ITS !\n"; delete rl; return 3; }
AliITSgeom *geom=ITS->GetITSgeom();
- TFile *out=TFile::Open("AliITSclustersV2.root","new");
- if (!out->IsOpen()) {
- cerr<<"Delete old AliITSclustersV2.root !\n";
- return 6;
- }
- geom->Write();
-
TClonesArray *clusters=new TClonesArray("AliITSclusterV2",10000);
- TTree *cTree=new TTree("cTree","ITS clusters");
- cTree->Branch("Clusters",&clusters);
-
- TTree *pTree=gAlice->TreeR();
- if (!pTree) {
- cerr<<"Can't get TreeR !\n";
- return 7;
- }
- TBranch *branch=pTree->GetBranch("ITSRecPoints");
- if (!branch) {
- cerr<<"Can't get ITSRecPoints branch !\n";
- return 8;
- }
- TClonesArray *points=new TClonesArray("AliITSRecPoint",10000);
- branch->SetAddress(&points);
-
- TClonesArray &cl=*clusters;
- Int_t nclusters=0;
- Int_t nentr=(Int_t)pTree->GetEntries();
+
+ gime->LoadRawClusters("recreate");
+
+ if (SlowOrFast=='f')
+ {
+ gime->SetRecPointsFileName("ITS.FastRecPoints.root");
+ }
+ if (gime->LoadRecPoints())
+ {
+ cerr<<"Load Rec Pints returned error !\n";
+ delete rl;
+ return 4;
+ }
- cerr<<"Number of entries: "<<nentr<<endl;
+ TClonesArray *points = new TClonesArray("AliITSRecPoint",10000);
- for (Int_t i=0; i<nentr; i++) {
- if (!pTree->GetEvent(i)) {cTree->Fill(); continue;}
- Int_t lay,lad,det; geom->GetModuleId(i-1,lay,lad,det);
+ Float_t lp[5];
+ Int_t lab[6];
+
+ Int_t iEvent;
+ for (iEvent = 0; iEvent< rl->GetNumberOfEvents() ; iEvent++)
+ {
+
+ rl->GetEvent(iEvent);
+
+ TTree *cTree = gime->TreeC();
+ if (cTree == 0x0)
+ {
+ gime->MakeTree("C");
+ cTree = gime->TreeC();
+ }
+
+ cTree->Branch("Clusters",&clusters);
+
+ TTree *pTree=gime->TreeR();
+ if (pTree == 0x0)
+ {
+ cerr<<"Can not get TreeR !\n"; delete rl;return 5;
+ }
+ TBranch *branch = 0;
+ if (SlowOrFast=='f') {
+ branch = pTree->GetBranch("ITSRecPointsF");
+ }
+ else {
+ branch = pTree->GetBranch("ITSRecPoints");
+ }
+ if (!branch)
+ {
+ cerr<<"Can't get ITSRecPoints branch !\n";
+ delete rl;
+ return 6;
+ }
+
+ branch->SetAddress(&points);
+
+ AliStack* stack = rl->Stack();
+ if (stack == 0x0)
+ {
+ cerr<<"AliITSFindClustersV2.C : Can not get stack"
+ << endl;
+ delete rl;
+ return 3;
+ }
+
+ TClonesArray &cl=*clusters;
+ Int_t nclusters=0;
+ Int_t nentr=(Int_t)branch->GetEntries();
+
+ cerr<<"Number of entries: "<<nentr<<endl;
+
+ for (Int_t i=0; i<nentr; i++)
+ {
+ points->Clear();
+ clusters->Clear();
+ branch->GetEvent(i);
+ Int_t ncl=points->GetEntriesFast(); if (ncl==0){cTree->Fill();continue;}
+ Int_t lay,lad,det; geom->GetModuleId(i,lay,lad,det);
+ if ( (lay<0) || (lad<0) || (det<0))
+ {
+ ::Error("AliITSFindClustersV2.C","No such a module %d",i);
+ continue;
+ }
Float_t x,y,zshift; geom->GetTrans(lay,lad,det,x,y,zshift);
Double_t rot[9]; geom->GetRotMatrix(lay,lad,det,rot);
Double_t yshift = x*rot[0] + y*rot[1];
Int_t ndet=(lad-1)*geom->GetNdetectors(lay) + (det-1);
- Int_t ncl=points->GetEntriesFast();
nclusters+=ncl;
- for (Int_t j=0; j<ncl; j++) {
+
+ Float_t kmip=1; // ADC->mip normalization factor for the SDD and SSD
+ if(lay==4 || lay==3){kmip=280.;};
+ if(lay==6 || lay==5){kmip=38.;};
+
+ for (Int_t j=0; j<ncl; j++)
+ {
AliITSRecPoint *p=(AliITSRecPoint*)points->UncheckedAt(j);
- Float_t lp[5];
+ //Float_t lp[5];
lp[0]=-p->GetX()-yshift; if (lay==1) lp[0]=-lp[0];
lp[1]=p->GetZ()+zshift;
lp[2]=p->GetSigmaX2();
lp[3]=p->GetSigmaZ2();
- lp[4]=p->GetQ();
- Int_t lab[6];
+ lp[4]=p->GetQ(); lp[4]/=kmip;
+ //Int_t lab[6];
lab[0]=p->GetLabel(0);lab[1]=p->GetLabel(1);lab[2]=p->GetLabel(2);
lab[3]=ndet;
Int_t label=lab[0];
- TParticle *part=(TParticle*)gAlice->Particle(label);
- label=-3;
- while (part->P() < 0.005) {
- Int_t m=part->GetFirstMother();
- if (m<0) {cerr<<"Primary momentum: "<<part->P()<<endl; break;}
- label=m;
- part=(TParticle*)gAlice->Particle(label);
- }
- if (lab[1]<0) lab[1]=label;
- else if (lab[2]<0) lab[2]=label;
- else cerr<<"No empty labels !\n";
+ if (label>=0) {
+ TParticle *part=(TParticle*)stack->Particle(label);
+ if (part == 0x0)
+ cerr<<"Can not get particle with label "<<label<<endl;
+ label=-3;
+ while (part->P() < 0.005) {
+ Int_t m=part->GetFirstMother();
+ if (m<0) {cerr<<"Primary momentum: "<<part->P()<<endl; break;}
+ label=m;
+ part=(TParticle*)gAlice->Particle(label);
+ }
+ if (lab[1]<0) lab[1]=label;
+ else if (lab[2]<0) lab[2]=label;
+ else cerr<<"No empty labels !\n";
+ }
new(cl[j]) AliITSclusterV2(lab,lp);
- }
- cTree->Fill(); clusters->Delete();
- points->Delete();
+ }
+ cTree->Fill();
+// clusters->Delete(); points->Delete();
+ }
+ gime->WriteRawClusters("OVERWRITE");
+ cerr<<"Number of clusters: "<<nclusters<<endl;
+
}
- cTree->Write();
-
- cerr<<"Number of clusters: "<<nclusters<<endl;
-
- delete cTree; delete clusters; delete points;
-
- delete gAlice; gAlice=0;
- in->Close();
- out->Close();
-
+
+ delete clusters;
+ delete points;
+ delete rl;
return 0;
+
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff