-#ifndef __CINT__
- #include <iostream.h>
+/****************************************************************************
+ * Origin: I.Belikov, CERN, Jouri.Belikov@cern.ch *
+ ****************************************************************************/
+
+#if !defined(__CINT__) || defined(__MAKECINT__)
+ #include <Riostream.h>
#include "AliRun.h"
+ #include "AliRunLoader.h"
+ #include "AliITSLoader.h"
#include "AliITS.h"
#include "AliITSgeom.h"
- #include "AliITSRecPoint.h"
- #include "AliITSclusterV2.h"
+ #include "AliITSclustererV2.h"
- #include "TFile.h"
#include "TTree.h"
- #include "TParticle.h"
+ #include "TStopwatch.h"
#endif
-Int_t AliITSFindClustersV2(Char_t SlowOrFast='f') {
-/****************************************************************
- * This macro converts AliITSRecPoint(s) to AliITSclusterV2(s) *
- ****************************************************************/
- cerr<<"AliITSRecPoint(s) -> AliITSclusterV2(s)...\n";
+extern AliRun *gAlice;
- if (gAlice) {delete gAlice; gAlice=0;}
+Int_t AliITSFindClustersV2(Int_t nev=5, Char_t SlowOrFast='s') {
- TFile *in=TFile::Open("galice.root");
- if (!in->IsOpen()) { cerr<<"Can't open galice.root !\n"; return 1; }
+ cerr<<"Looking for clusters...\n";
- if (!(gAlice=(AliRun*)in->Get("gAlice"))) {
- cerr<<"Can't find gAlice !\n";
- return 2;
+ if (gAlice) {
+ delete gAlice->GetRunLoader();
+ delete gAlice;
+ gAlice=0;
}
- gAlice->GetEvent(0);
-
- AliITS *ITS = (AliITS*)gAlice->GetModule("ITS");
- if (!ITS) { cerr<<"Can't find the ITS !\n"; return 3; }
- AliITSgeom *geom=ITS->GetITSgeom();
- TFile *out=TFile::Open("AliITSclustersV2.root","new");
- if (!out->IsOpen()) {
- cerr<<"Delete old AliITSclustersV2.root !\n";
- return 4;
- }
- geom->Write();
-
- TClonesArray *clusters=new TClonesArray("AliITSclusterV2",10000);
- TTree *cTree=new TTree("TreeC_ITS_0","ITS clusters");
- cTree->Branch("Clusters",&clusters);
-
- TTree *pTree=gAlice->TreeR();
- if (!pTree) { cerr<<"Can't get TreeR !\n"; return 5; }
- TBranch *branch = 0;
- if (SlowOrFast=='f') {
- branch = pTree->GetBranch("ITSRecPointsF");
- }
- else {
- branch = pTree->GetBranch("ITSRecPoints");
+ AliRunLoader *rl = AliRunLoader::Open("galice.root");
+ if (rl == 0x0) {
+ cerr<<"AliITSFindClustersV2.C : Can not open session RL=NULL"<< endl;
+ return 1;
}
- if (!branch) { cerr<<"Can't get ITSRecPoints branch !\n"; return 6; }
- TClonesArray *points=new TClonesArray("AliITSRecPoint",10000);
- branch->SetAddress(&points);
-
- TClonesArray &cl=*clusters;
- Int_t nclusters=0;
- Int_t nentr=(Int_t)branch->GetEntries();
-
- cerr<<"Number of entries: "<<nentr<<endl;
-
- Float_t lp[5]; Int_t lab[6]; //Why can't it be inside a loop ?
-
- for (Int_t i=0; i<nentr; i++) {
- points->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);
- 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);
- nclusters+=ncl;
-
- 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];
- 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(); 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];
- if (label>=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";
- }
-
- new(cl[j]) AliITSclusterV2(lab,lp);
- }
- cTree->Fill(); clusters->Delete();
- points->Delete();
+
+ AliITSLoader *itsl = (AliITSLoader*)rl->GetLoader("ITSLoader");
+ if (itsl == 0x0) {
+ cerr<<"AliITSFindClustersV2.C : can not get ITS loader"<< endl;
+ return 2;
}
- cTree->Write();
-
- cerr<<"Number of clusters: "<<nclusters<<endl;
-
- delete cTree; delete clusters; delete points;
-
- delete gAlice; gAlice=0;
-
- in->Close();
- out->Close();
-
- return 0;
-
-}
+ rl->LoadKinematics();
+ Int_t retval = rl->LoadgAlice();
+ if (retval) {
+ cerr<<"AliITSFindClustersV2.C : LoadgAlice returned error"<< endl;
+ delete rl;
+ return 3;
+ }
+ gAlice=rl->GetAliRun();
+ AliITS *ITS = (AliITS*)gAlice->GetModule("ITS");
+ if (!ITS) { cerr<<"Can't find the ITS !\n"; delete rl; return 3; }
+ AliITSgeom *geom=ITS->GetITSgeom();
+ itsl->LoadRecPoints("recreate");
+ if (SlowOrFast=='s') itsl->LoadDigits("read");
+ else itsl->LoadHits("read");
+ AliITSclustererV2 clusterer(geom);
+ TStopwatch timer;
+ if (nev>rl->GetNumberOfEvents()) nev=rl->GetNumberOfEvents();
+ for (Int_t i=0; i<nev; i++) {
+ cerr<<"Processing event number: "<<i<<endl;
+ rl->GetEvent(i);
+ TTree *out=itsl->TreeR();
+ if (!out) {
+ itsl->MakeTree("R");
+ out=itsl->TreeR();
+ }
+ if (SlowOrFast=='s') {
+ TTree *in=itsl->TreeD();
+ if (!in) {
+ cerr<<"Can't get digits tree !\n";
+ return 4;
+ }
+ clusterer.Digits2Clusters(in,out);
+ } else {
+ TTree *in=itsl->TreeH();
+ if (!in) {
+ cerr<<"Can't get hits tree !\n";
+ return 5;
+ }
+ clusterer.Hits2Clusters(in,out);
+ }
+ itsl->WriteRecPoints("OVERWRITE");
+ }
+ timer.Stop(); timer.Print();
+ delete rl;
+ return 0;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff