[u/mrichter/AliRoot.git] / ITS / UPGRADE / testITSU / compClusHits.C

#if !defined(__CINT__) || defined(__MAKECINT__)
#include "TObjArray.h"
#include "TFile.h"
#include "TTree.h"
#include "TH1F.h"
#include "../ITS/UPGRADE/AliITSUClusterPix.h"
#include "../ITS/UPGRADE/AliITSURecoLayer.h"
#include "../ITS/UPGRADE/AliITSURecoDet.h"
#include "../ITS/UPGRADE/AliITSUHit.h"
#include "../ITS/UPGRADE/AliITSUGeomTGeo.h"
#include "AliITSsegmentation.h"
#include "AliGeomManager.h"
#include "AliStack.h"
#include "AliLoader.h"
#include "AliCDBManager.h"

#include "TROOT.h"
#include "TStyle.h"
#include "TGeoMatrix.h"
#include "TParticle.h"
#include "TCanvas.h"
#include "TPaveStats.h"
#include "TClonesArray.h"

#endif

TObjArray histoArr;
enum {kNPixAll=0,kNPixSPL=1,kDR=0,kDTXodd,kDTXeven,kDTZ, kDTXoddSPL,kDTXevenSPL,kDTZSPL};

TPaveStats* GetStPad(TH1* hst);
TPaveStats* SetStPadPos(TH1* hst,float x1,float x2,float y1,float y2, Int_t stl=-1,Int_t col=-1);
TCanvas* DrawNP(int np, TObjArray* harr=0, TCanvas* cnv=0);
TH1* GetHistoClSize(int npix,int id,TObjArray* harr=0);
void DrawReport(const char* psname, TObjArray* harr=0);


typedef struct {
  Int_t evID;
  Int_t volID;
  Int_t lrID;
  Int_t clID;
  Int_t nPix;
  Int_t nX;
  Int_t nZ;
  Int_t q;
  Float_t pt;
  Float_t eta;
  Float_t phi;
  Float_t xyz[3];
  Float_t dX;
  Float_t dZ;  
  Bool_t split;  
  Bool_t prim;
  Int_t  pdg;
  Int_t  ntr;
} clSumm;

void compClusHits(int nev=-1)
{
  const int kSplit=0x1<<22;
  const int kSplCheck=0x1<<23;
  //
  gSystem->Load("libITSUpgradeBase");
  gSystem->Load("libITSUpgradeSim");
  gSystem->Load("libITSUpgradeRec");
  gROOT->SetStyle("Plain");

  AliCDBManager* man = AliCDBManager::Instance();
  man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
  man->SetSpecificStorage("GRP/GRP/Data",
			  Form("local://%s",gSystem->pwd()));
  man->SetSpecificStorage("ITS/Align/Data",
			  Form("local://%s",gSystem->pwd()));
  man->SetSpecificStorage("ITS/Calib/RecoParam",
			  Form("local://%s",gSystem->pwd()));
  man->SetRun(0);


  gAlice=NULL;
  AliRunLoader* runLoader = AliRunLoader::Open("galice.root");
  runLoader->LoadgAlice();

  gAlice = runLoader->GetAliRun();

  runLoader->LoadHeader();
  runLoader->LoadKinematics();
  runLoader->LoadRecPoints();
  runLoader->LoadSDigits();
  runLoader->LoadHits();

  AliLoader *dl = runLoader->GetDetectorLoader("ITS");

  AliGeomManager::LoadGeometry("geometry.root");
  TObjArray algITS;
  AliGeomManager::LoadAlignObjsFromCDBSingleDet("ITS",algITS);
  AliGeomManager::ApplyAlignObjsToGeom(algITS);
  //
  AliITSUGeomTGeo* gm = new AliITSUGeomTGeo(kTRUE);
  AliITSUClusterPix::SetGeom(gm);
  //
  AliITSURecoDet *its = new AliITSURecoDet(gm, "ITSinterface");
  its->CreateClusterArrays();
  //
  Double_t xg1,yg1,zg1=0.,xg0,yg0,zg0=0.,tg0;
  //
  TTree * cluTree = 0x0;
  TTree *hitTree = 0x0;
  TClonesArray *hitList=new TClonesArray("AliITSUHit");
  //
  TObjArray arrMCTracks; // array of hit arrays for each particle
  //
  Float_t xyzClGloF[3];
  Double_t xyzClGlo[3],xyzClTr[3];
  Int_t labels[3];
  int nLab = 0;
  int nlr=its->GetNLayersActive();
  int ntotev = (Int_t)runLoader->GetNumberOfEvents();
  printf("N Events : %i \n",ntotev);
  if (nev>0) ntotev = TMath::Min(nev,ntotev);
  //
  // output tree
  TFile* flOut = TFile::Open("clInfo.root","recreate");
  TTree* trOut = new TTree("clitsu","clitsu");
  clSumm cSum;
  trOut->Branch("evID", &cSum.evID ,"evID/I");
  trOut->Branch("volID",&cSum.volID,"volID/I");
  trOut->Branch("lrID", &cSum.lrID ,"lrID/I");  
  trOut->Branch("clID", &cSum.clID ,"clID/I");  
  trOut->Branch("nPix", &cSum.nPix ,"nPix/I");
  trOut->Branch("nX"  , &cSum.nX   ,"nX/I");
  trOut->Branch("nZ"  , &cSum.nZ   ,"nZ/I");
  trOut->Branch("q"   , &cSum.q    ,"q/I");
  trOut->Branch("pt"  , &cSum.pt   ,"pt/F");  
  trOut->Branch("eta"  ,&cSum.eta  ,"eta/F");  
  trOut->Branch("phi"  , &cSum.phi  ,"phi/F");  
  trOut->Branch("xyz",   cSum.xyz,  "xyz[3]/F");  
  trOut->Branch("dX"  , &cSum.dX   ,"dX/F");
  trOut->Branch("dZ"  , &cSum.dZ   ,"dZ/F");  
  trOut->Branch("split",&cSum.split,"split/O");
  trOut->Branch("prim", &cSum.prim, "prim/O");
  trOut->Branch("pdg",  &cSum.pdg,  "pdg/I");
  trOut->Branch("ntr",  &cSum.ntr,  "ntr/I");
  //
  for (Int_t iEvent = 0; iEvent < ntotev; iEvent++) {
    printf("\n Event %i \n",iEvent);
    runLoader->GetEvent(iEvent);
    AliStack *stack = runLoader->Stack();
    cluTree=dl->TreeR();
    hitTree=dl->TreeH();
    hitTree->SetBranchAddress("ITS",&hitList);
    // 
    // read clusters
    for (int ilr=nlr;ilr--;) {
      TBranch* br = cluTree->GetBranch(Form("ITSRecPoints%d",ilr));
      if (!br) {printf("Did not find cluster branch for lr %d\n",ilr); exit(1);}
      br->SetAddress(its->GetLayerActive(ilr)->GetClustersAddress());
    }
    cluTree->GetEntry(0); 
    its->ProcessClusters();
    //
    // read hits
    for(Int_t iEnt=0;iEnt<hitTree->GetEntries();iEnt++){//entries loop degli hits
      hitTree->GetEntry(iEnt);
      int nh = hitList->GetEntries();      
      for(Int_t iHit=0; iHit<nh;iHit++){
	AliITSUHit *pHit = (AliITSUHit*)hitList->At(iHit);
	int mcID = pHit->GetTrack();
	TClonesArray* harr = arrMCTracks.GetEntriesFast()>mcID ? (TClonesArray*)arrMCTracks.At(mcID) : 0;
	if (!harr) {
	  harr = new TClonesArray("AliITSUHit"); // 1st encounter of the MC track
	  arrMCTracks.AddAtAndExpand(harr,mcID);
	}
	//
	new ( (*harr)[harr->GetEntriesFast()] ) AliITSUHit(*pHit);
      }
    }
    //
    // compare clusters and hits
    //
    printf(" tree entries: %lld\n",cluTree->GetEntries());
    //
    for (int ilr=0;ilr<nlr;ilr++) {
      AliITSURecoLayer* lr = its->GetLayerActive(ilr);
      TClonesArray* clr = lr->GetClusters();
      int nClu = clr->GetEntries();
      printf("Layer %d : %d clusters\n",ilr,nClu);
      //
      for (int icl=0;icl<nClu;icl++) {
	AliITSUClusterPix *cl = (AliITSUClusterPix*)clr->At(icl);
	int modID = cl->GetVolumeId();
	
	//------------ check if this is a split cluster
	int sInL = modID - gm->GetFirstModIndex(ilr);
	if (!cl->TestBit(kSplCheck)) {
	  cl->SetBit(kSplCheck);
	  // check if there is no other cluster with same label on this module
	  AliITSURecoSens* sens = lr->GetSensor(sInL);
	  int nclSn = sens->GetNClusters();
	  int offs = sens->GetFirstClusterId();
	  //	printf("To check for %d (mod:%d) N=%d from %d\n",icl,modID,nclSn,offs);
	  for (int ics=0;ics<nclSn;ics++) {
	    AliITSUClusterPix* clusT = (AliITSUClusterPix*)lr->GetCluster(offs+ics); // access to clusters
	    if (clusT==cl) continue;
	    for (int ilb0=0;ilb0<3;ilb0++) {
	      int lb0 = cl->GetLabel(ilb0); if (lb0<=-1) break;
	      for (int ilb1=0;ilb1<3;ilb1++) {
		int lb1 = clusT->GetLabel(ilb1); if (lb1<=-1) break;
		if (lb1==lb0) {
		  cl->SetBit(kSplit);
		  clusT->SetBit(kSplit);
		  /*
		    printf("Discard clusters of module %d:\n",modID);
		    cl->Print();
		    clusT->Print();
		  */
		  break;
		}
	      }
	    }
	  }
	}
	//------------
	const AliITSsegmentation* segm = gm->GetSegmentation(ilr);
	//
	cl->GetGlobalXYZ(xyzClGloF);
	int clsize = cl->GetNPix();
	for (int i=3;i--;) xyzClGlo[i] = xyzClGloF[i];
	const TGeoHMatrix* mat = gm->GetMatrixSens(modID);
	if (!mat) {printf("failed to get matrix for module %d\n",cl->GetVolumeId());}
	mat->MasterToLocal(xyzClGlo,xyzClTr);
	//
	int col,row;
	segm->LocalToDet(xyzClTr[0],xyzClTr[2],row,col); // effective col/row
	nLab = 0;
	for (int il=0;il<3;il++) {
	  if (cl->GetLabel(il)>=0) labels[nLab++] = cl->GetLabel(il);
	  else break;
	}
	// find hit info
	for (int il=0;il<nLab;il++) {
	  TClonesArray* htArr = (TClonesArray*)arrMCTracks.At(labels[il]);
	  if (!htArr) {printf("did not find MChits for label %d ",labels[il]); cl->Print(); continue;}
	  //
	  int nh = htArr->GetEntriesFast();
	  AliITSUHit *pHit=0;
	  for (int ih=nh;ih--;) {
	    AliITSUHit* tHit = (AliITSUHit*)htArr->At(ih);
	    if (tHit->GetModule()!=modID) continue;
	    pHit = tHit;
	    break;
	  }
	  if (!pHit) {
	    printf("did not find MChit for label %d on module %d ",il,modID); 
	    cl->Print(); 
	    htArr->Print();
	    continue;
	  }
	  //
	  pHit->GetPositionG(xg1,yg1,zg1);
	  pHit->GetPositionG0(xg0,yg0,zg0,tg0);
	  //
	  double txyzH[3],gxyzH[3] = { (xg1+xg0)/2, (yg1+yg0)/2, (zg1+zg0)/2 };
	  mat->MasterToLocal(gxyzH,txyzH);
	  double rcl = TMath::Sqrt(xyzClTr[0]*xyzClTr[0]+xyzClTr[1]*xyzClTr[1]);
	  double rht = TMath::Sqrt(txyzH[0]*txyzH[0]+txyzH[1]*txyzH[1]);
	  //
	  GetHistoClSize(clsize,kDR,&histoArr)->Fill((rht-rcl)*1e4);
	  if (cl->TestBit(kSplit)) {
	    if (col%2) GetHistoClSize(clsize,kDTXoddSPL,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
	    else       GetHistoClSize(clsize,kDTXevenSPL,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
	    GetHistoClSize(clsize,kDTZSPL,&histoArr)->Fill((txyzH[2]-xyzClTr[2])*1e4);
	    GetHistoClSize(0,kNPixSPL,&histoArr)->Fill(clsize);
	  }
	  if (col%2) GetHistoClSize(clsize,kDTXodd,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
	  else       GetHistoClSize(clsize,kDTXeven,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
	  GetHistoClSize(clsize,kDTZ,&histoArr)->Fill((txyzH[2]-xyzClTr[2])*1e4);
	  GetHistoClSize(0,kNPixAll,&histoArr)->Fill(clsize);
	  //
	  cSum.evID = iEvent;
	  cSum.volID = cl->GetVolumeId();
	  cSum.lrID = ilr;
	  cSum.clID = icl;
	  cSum.nPix = cl->GetNPix();
	  cSum.nX   = cl->GetNx();
	  cSum.nZ   = cl->GetNz();
	  cSum.q    = cl->GetQ();
	  cSum.split = cl->TestBit(kSplit);
	  cSum.dX = (txyzH[0]-xyzClTr[0])*1e4;
	  cSum.dZ = (txyzH[2]-xyzClTr[2])*1e4;
	  int label = cl->GetLabel(0);
	  TParticle* part = 0;
	  if (label>=0 && (part=stack->Particle(label)) ) {
	    cSum.pdg = part->GetPdgCode();
	    cSum.eta = part->Eta();
	    cSum.pt  = part->Pt();
	    cSum.phi = part->Phi();
	    cSum.prim = stack->IsPhysicalPrimary(label);
	  }
	  cSum.ntr = 0;
	  for (int ilb=0;ilb<3;ilb++) if (cl->GetLabel(ilb)>=0) cSum.ntr++;
	  for (int i=0;i<3;i++) cSum.xyz[i] = xyzClGloF[i];
	  //
	  trOut->Fill();
	  /*
	  if (clsize==5) {
	    printf("\nL%d(%c) Mod%d, Cl:%d | %+5.1f %+5.1f (%d/%d)|H:%e %e %e | C:%e %e %e\n",ilr,cl->TestBit(kSplit) ? 'S':'N',
		   modID,icl,(txyzH[0]-xyzClTr[0])*1e4,(txyzH[2]-xyzClTr[2])*1e4, row,col,
		   gxyzH[0],gxyzH[1],gxyzH[2],xyzClGlo[0],xyzClGlo[1],xyzClGlo[2]);
	    cl->Print();
	    pHit->Print();
	    //
	    double a0,b0,c0,a1,b1,c1,e0;
	    pHit->GetPositionL0(a0,b0,c0,e0);
	    pHit->GetPositionL(a1,b1,c1);
	    float cloc[3];
	    cl->GetLocalXYZ(cloc);
	    printf("LocH: %e %e %e | %e %e %e\n",a0,b0,c0,a1,b1,c1);
	    printf("LocC: %e %e %e | %e %e %e\n",cloc[0],cloc[1],cloc[2],xyzClTr[0],xyzClTr[1],xyzClTr[2]);
	  }
	  */
	  //
	}
      }
    }
    
    //    layerClus.Clear();
    //
    arrMCTracks.Delete();
  }//event loop
  //
  flOut->cd();
  trOut->Write();
  delete trOut;
  flOut->Close();
  flOut->Delete();
  DrawReport("clinfo.ps",&histoArr);
  //
}

void DrawReport(const char* psname, TObjArray* harr) 
{
  gStyle->SetOptFit(1);
  if (!harr) harr = &histoArr;
  TCanvas* cnv = new TCanvas("cl","cl",900,600);
  //
  TString psnm1 = psname;
  if (psnm1.IsNull()) psnm1 = "clusters.ps";
  TString psnm0 = psnm1.Data(); 
  psnm0 += "[";
  TString psnm2 = psnm1.Data(); 
  psnm2 += "]";
  cnv->Print(psnm0.Data());
  //
  TH1* clall = GetHistoClSize(0,kNPixAll,harr);
  clall->SetLineColor(kRed);
  clall->Draw();
  TH1* clSpl = GetHistoClSize(0,kNPixSPL,harr);
  clSpl->SetLineColor(kBlue);
  clSpl->Draw("sames");
  gPad->Modified();
  gPad->Update();
  SetStPadPos(clall,0.75,0.97,0.8,1.,-1,clall->GetLineColor());
  SetStPadPos(clSpl,0.75,0.97,0.6,0.8,-1,clSpl->GetLineColor());
  gPad->Modified();
  gPad->Update();
  gPad->SetLogy(1);
  //
  cnv->cd();
  cnv->Print(psnm1.Data());
  //
  // plot cluster sized from 1 to 10
  for (int i=1;i<=10;i++) {
    if (clall->GetBinContent(clall->FindBin(i))<100) continue;
    DrawNP(i,harr,cnv);
    cnv->Print(psnm1.Data());
  }
  cnv->Print(psnm2.Data());
}

//------------------------------------------
TH1* GetHistoClSize(int npix,int id,TObjArray* harr)
{
  // book histos
  TH1* h = 0;
  if (!harr) harr = &histoArr;
  //
  if (npix<1) {
    if (harr->GetEntriesFast()>=id && (h=(TH1*)harr->At(id))) return h;
    h = new TH1F("npixAll","npixAll",150,0.5,54.5);
    h->SetLineColor(kRed);
    harr->AddAtAndExpand(h, kNPixAll);
    //
    h = new TH1F("npixSpl","npixSpl",150,0.5,54.5);
    h->SetLineColor(kBlue);
    harr->AddAtAndExpand(h, kNPixSPL);
    //
    h = (TH1*)harr->At(id);
    if (!h) {printf("Unknown histo id=%d\n",id); exit(1);}
    return h;
  }
  //
  int idh = npix*10+id;
  if (harr->GetEntriesFast()>=idh && (h=(TH1*)harr->At(idh))) return h;
  //
  const int nbin=100;
  const double kdiff=80;
  // need to create set of histos
  //
  h = new TH1F(Form("dxy_npix%d",npix),Form("dr_npix%d",npix),nbin,-kdiff,kdiff);
  harr->AddAtAndExpand(h, npix*10 + kDR);
  //
  h  = new TH1F(Form("dtxODD_npix%d",npix),Form("dtxODD_npix%d",npix),nbin,-kdiff,kdiff);
  h->SetLineColor(kRed);
  harr->AddAtAndExpand(h, npix*10 + kDTXodd);
  h  = new TH1F(Form("dtxEVN_npix%d",npix),Form("dtxEVN_npix%d",npix),nbin,-kdiff,kdiff);
  h->SetLineColor(kBlue);
  harr->AddAtAndExpand(h, npix*10 + kDTXeven);
  //
  h  = new TH1F(Form("dtz_npix%d",npix),Form("dtz_npix%d",npix),nbin,-kdiff,kdiff);
  h->SetLineColor(kGreen);
  harr->AddAtAndExpand(h, npix*10 + kDTZ);
  //
  //
  h  = new TH1F(Form("SPL_dtxODD_npix%d",npix),Form("SPL_dtxODD_npix%d",npix),nbin,-kdiff,kdiff);
  h->SetLineColor(kMagenta);
  h->SetFillColor(kMagenta);
  h->SetFillStyle(3001);  
  h->SetLineStyle(2);
  harr->AddAtAndExpand(h, npix*10 + kDTXoddSPL);
  h  = new TH1F(Form("SPL_dtxEVN_npix%d",npix),Form("SPL_dtxEVN_npix%d",npix),nbin,-kdiff,kdiff);
  h->SetLineColor(kCyan);
  h->SetFillColor(kCyan);
  h->SetFillStyle(3006);  
  h->SetLineStyle(2);
  harr->AddAtAndExpand(h, npix*10 + kDTXevenSPL);
  //
  h  = new TH1F(Form("SPL_dtz_npix%d",npix),Form("SPLdtz_npix%d",npix),nbin,-kdiff,kdiff);
  harr->AddAtAndExpand(h, npix*10 + kDTZSPL);
  //
  h->SetLineColor(kGreen+2);
  h->SetFillColor(kGreen+2);
  h->SetLineStyle(2);
  h->SetFillStyle(3001);
  h = (TH1*)harr->At(idh);
  if (!h) {printf("Unknown histo id=%d\n",idh); exit(1);}
  return h;
}


TCanvas* DrawNP(int np, TObjArray* harr, TCanvas* cnv)
{
  if (!harr) harr = &histoArr;
  if (!cnv) cnv = new TCanvas(Form("cnv%d",np),Form("cnv%d",np),900,700);
  cnv->Clear();
  cnv->Divide(2,1);
  cnv->cd(1);
  //
  TH1* dxodd = (TH1*)harr->At(np*10+kDTXodd);
  TH1* dxevn = (TH1*)harr->At(np*10+kDTXeven);
  TH1* dxoddS =(TH1*)harr->At(np*10+kDTXoddSPL);
  TH1* dxevnS =(TH1*)harr->At(np*10+kDTXevenSPL);
  double max = TMath::Max(dxodd->GetMaximum(),dxevn->GetMaximum());
  dxodd->SetMaximum(1.1*max);
  dxodd->GetXaxis()->SetTitle("#DeltaX, #mum");
  dxodd->SetTitle(Form("#DeltaX for clSize=%d",np));
  dxodd->Fit("gaus","","");
  dxevn->Fit("gaus","","sames");
  //
  dxoddS->Draw("sames");
  dxevnS->Draw("sames");
  //
  gPad->Modified();
  gPad->Update();
  SetStPadPos(dxodd,0.75,0.97,0.8,1., -1,dxodd->GetLineColor());
  SetStPadPos(dxevn,0.75,0.97,0.6,0.8, -1,dxevn->GetLineColor());
  SetStPadPos(dxoddS,0.75,0.97,0.4,0.6, -1,dxoddS->GetLineColor());
  SetStPadPos(dxevnS,0.75,0.97,0.2,0.4, -1,dxevnS->GetLineColor());
  //
  cnv->cd(2);
  TH1* dz  = (TH1*)harr->At(np*10+kDTZ);
  dz->SetTitle(Form("#DeltaZ for clSize=%d",np));
  dz->GetXaxis()->SetTitle("#DeltaZ, #mum");
  dz->Fit("gaus");
  TH1* dzS = (TH1*)harr->At(np*10+kDTZSPL);
  dz->Draw("sames");
  gPad->Modified();
  gPad->Update();
  SetStPadPos(dz,0.75,0.97,0.8,1., -1, dz->GetLineColor());
  SetStPadPos(dzS,0.75,0.97,0.5,0.7, -1, dzS->GetLineColor());
  gPad->Modified();
  gPad->Update();
  //
  cnv->cd();
  return cnv;
}


TPaveStats* GetStPad(TH1* hst)
{
  TList *lst = hst->GetListOfFunctions();
  if (!lst) return 0;
  int nf = lst->GetSize();
  for (int i=0;i<nf;i++) {
    TPaveStats *fnc = (TPaveStats*) lst->At(i);
    if (fnc->InheritsFrom("TPaveStats")) return fnc;
  }
  return 0;
  //
}


TPaveStats* SetStPadPos(TH1* hst,float x1,float x2,float y1,float y2, Int_t stl, Int_t col)
{
  TPaveStats* pad = GetStPad(hst);
  if (!pad) return 0;
  pad->SetX1NDC( x1 );
  pad->SetX2NDC( x2 );
  pad->SetY1NDC( y1 );
  pad->SetY2NDC( y2 );
  if (stl>=0) pad->SetFillStyle(stl);
  if (col>=0) pad->SetTextColor(col);
  pad->SetFillColor(0);
  //
  gPad->Modified();
  return pad;
}
Commit	Line	Data
e9c281b8	1	#if !defined(__CINT__) \|\| defined(__MAKECINT__)
	2	#include "TObjArray.h"
	3	#include "TFile.h"
	4	#include "TTree.h"
	5	#include "TH1F.h"
	6	#include "../ITS/UPGRADE/AliITSUClusterPix.h"
	7	#include "../ITS/UPGRADE/AliITSURecoLayer.h"
	8	#include "../ITS/UPGRADE/AliITSURecoDet.h"
	9	#include "../ITS/UPGRADE/AliITSUHit.h"
	10	#include "../ITS/UPGRADE/AliITSUGeomTGeo.h"
	11	#include "AliITSsegmentation.h"
	12	#include "AliGeomManager.h"
	13	#include "AliStack.h"
	14	#include "AliLoader.h"
	15	#include "AliCDBManager.h"
	16
	17	#include "TROOT.h"
	18	#include "TStyle.h"
	19	#include "TGeoMatrix.h"
	20	#include "TParticle.h"
	21	#include "TCanvas.h"
	22	#include "TPaveStats.h"
	23	#include "TClonesArray.h"
	24
	25	#endif
	26
e7c0d8c7	27	TObjArray histoArr;
	28	enum {kNPixAll=0,kNPixSPL=1,kDR=0,kDTXodd,kDTXeven,kDTZ, kDTXoddSPL,kDTXevenSPL,kDTZSPL};
	29
	30	TPaveStats* GetStPad(TH1* hst);
	31	TPaveStats* SetStPadPos(TH1* hst,float x1,float x2,float y1,float y2, Int_t stl=-1,Int_t col=-1);
	32	TCanvas* DrawNP(int np, TObjArray* harr=0, TCanvas* cnv=0);
	33	TH1* GetHistoClSize(int npix,int id,TObjArray* harr=0);
	34	void DrawReport(const char* psname, TObjArray* harr=0);
	35
4c1ef97c	36
	37	typedef struct {
	38	Int_t evID;
	39	Int_t volID;
	40	Int_t lrID;
	41	Int_t clID;
	42	Int_t nPix;
	43	Int_t nX;
	44	Int_t nZ;
e9c281b8	45	Int_t q;
4c1ef97c	46	Float_t pt;
4c1ef97c	47	Float_t eta;
e9c281b8	48	Float_t phi;
4c1ef97c	49	Float_t xyz[3];
	50	Float_t dX;
	51	Float_t dZ;
	52	Bool_t split;
	53	Bool_t prim;
	54	Int_t pdg;
	55	Int_t ntr;
	56	} clSumm;
	57
e7c0d8c7	58	void compClusHits(int nev=-1)
	59	{
	60	const int kSplit=0x1<<22;
	61	const int kSplCheck=0x1<<23;
	62	//
	63	gSystem->Load("libITSUpgradeBase");
	64	gSystem->Load("libITSUpgradeSim");
	65	gSystem->Load("libITSUpgradeRec");
	66	gROOT->SetStyle("Plain");
	67
e9c281b8	68	AliCDBManager* man = AliCDBManager::Instance();
	69	man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
	70	man->SetSpecificStorage("GRP/GRP/Data",
	71	Form("local://%s",gSystem->pwd()));
	72	man->SetSpecificStorage("ITS/Align/Data",
	73	Form("local://%s",gSystem->pwd()));
	74	man->SetSpecificStorage("ITS/Calib/RecoParam",
	75	Form("local://%s",gSystem->pwd()));
	76	man->SetRun(0);
	77
	78
e7c0d8c7	79	gAlice=NULL;
	80	AliRunLoader* runLoader = AliRunLoader::Open("galice.root");
	81	runLoader->LoadgAlice();
	82
	83	gAlice = runLoader->GetAliRun();
	84
	85	runLoader->LoadHeader();
	86	runLoader->LoadKinematics();
	87	runLoader->LoadRecPoints();
	88	runLoader->LoadSDigits();
	89	runLoader->LoadHits();
	90
	91	AliLoader *dl = runLoader->GetDetectorLoader("ITS");
	92
	93	AliGeomManager::LoadGeometry("geometry.root");
e9c281b8	94	TObjArray algITS;
	95	AliGeomManager::LoadAlignObjsFromCDBSingleDet("ITS",algITS);
	96	AliGeomManager::ApplyAlignObjsToGeom(algITS);
	97	//
e7c0d8c7	98	AliITSUGeomTGeo* gm = new AliITSUGeomTGeo(kTRUE);
e7c0d8c7	99	AliITSUClusterPix::SetGeom(gm);
	100	//
	101	AliITSURecoDet *its = new AliITSURecoDet(gm, "ITSinterface");
	102	its->CreateClusterArrays();
	103	//
	104	Double_t xg1,yg1,zg1=0.,xg0,yg0,zg0=0.,tg0;
	105	//
	106	TTree * cluTree = 0x0;
	107	TTree *hitTree = 0x0;
	108	TClonesArray *hitList=new TClonesArray("AliITSUHit");
	109	//
	110	TObjArray arrMCTracks; // array of hit arrays for each particle
	111	//
	112	Float_t xyzClGloF[3];
	113	Double_t xyzClGlo[3],xyzClTr[3];
	114	Int_t labels[3];
	115	int nLab = 0;
	116	int nlr=its->GetNLayersActive();
	117	int ntotev = (Int_t)runLoader->GetNumberOfEvents();
	118	printf("N Events : %i \n",ntotev);
	119	if (nev>0) ntotev = TMath::Min(nev,ntotev);
4c1ef97c	120	//
	121	// output tree
	122	TFile* flOut = TFile::Open("clInfo.root","recreate");
	123	TTree* trOut = new TTree("clitsu","clitsu");
	124	clSumm cSum;
	125	trOut->Branch("evID", &cSum.evID ,"evID/I");
	126	trOut->Branch("volID",&cSum.volID,"volID/I");
	127	trOut->Branch("lrID", &cSum.lrID ,"lrID/I");
	128	trOut->Branch("clID", &cSum.clID ,"clID/I");
	129	trOut->Branch("nPix", &cSum.nPix ,"nPix/I");
	130	trOut->Branch("nX" , &cSum.nX ,"nX/I");
	131	trOut->Branch("nZ" , &cSum.nZ ,"nZ/I");
e9c281b8	132	trOut->Branch("q" , &cSum.q ,"q/I");
4c1ef97c	133	trOut->Branch("pt" , &cSum.pt ,"pt/F");
4c1ef97c	134	trOut->Branch("eta" ,&cSum.eta ,"eta/F");
e9c281b8	135	trOut->Branch("phi" , &cSum.phi ,"phi/F");
4c1ef97c	136	trOut->Branch("xyz", cSum.xyz, "xyz[3]/F");
	137	trOut->Branch("dX" , &cSum.dX ,"dX/F");
	138	trOut->Branch("dZ" , &cSum.dZ ,"dZ/F");
	139	trOut->Branch("split",&cSum.split,"split/O");
	140	trOut->Branch("prim", &cSum.prim, "prim/O");
	141	trOut->Branch("pdg", &cSum.pdg, "pdg/I");
	142	trOut->Branch("ntr", &cSum.ntr, "ntr/I");
e7c0d8c7	143	//
	144	for (Int_t iEvent = 0; iEvent < ntotev; iEvent++) {
	145	printf("\n Event %i \n",iEvent);
	146	runLoader->GetEvent(iEvent);
4c1ef97c	147	AliStack *stack = runLoader->Stack();
e7c0d8c7	148	cluTree=dl->TreeR();
	149	hitTree=dl->TreeH();
	150	hitTree->SetBranchAddress("ITS",&hitList);
	151	//
	152	// read clusters
	153	for (int ilr=nlr;ilr--;) {
	154	TBranch* br = cluTree->GetBranch(Form("ITSRecPoints%d",ilr));
	155	if (!br) {printf("Did not find cluster branch for lr %d\n",ilr); exit(1);}
	156	br->SetAddress(its->GetLayerActive(ilr)->GetClustersAddress());
	157	}
	158	cluTree->GetEntry(0);
	159	its->ProcessClusters();
	160	//
	161	// read hits
	162	for(Int_t iEnt=0;iEnt<hitTree->GetEntries();iEnt++){//entries loop degli hits
	163	hitTree->GetEntry(iEnt);
	164	int nh = hitList->GetEntries();
e9c281b8	165	for(Int_t iHit=0; iHit<nh;iHit++){
e7c0d8c7	166	AliITSUHit pHit = (AliITSUHit)hitList->At(iHit);
	167	int mcID = pHit->GetTrack();
	168	TClonesArray* harr = arrMCTracks.GetEntriesFast()>mcID ? (TClonesArray*)arrMCTracks.At(mcID) : 0;
	169	if (!harr) {
	170	harr = new TClonesArray("AliITSUHit"); // 1st encounter of the MC track
	171	arrMCTracks.AddAtAndExpand(harr,mcID);
	172	}
	173	//
	174	new ( (harr)[harr->GetEntriesFast()] ) AliITSUHit(pHit);
	175	}
	176	}
	177	//
	178	// compare clusters and hits
	179	//
e9c281b8	180	printf(" tree entries: %lld\n",cluTree->GetEntries());
e7c0d8c7	181	//
	182	for (int ilr=0;ilr<nlr;ilr++) {
	183	AliITSURecoLayer* lr = its->GetLayerActive(ilr);
	184	TClonesArray* clr = lr->GetClusters();
	185	int nClu = clr->GetEntries();
	186	printf("Layer %d : %d clusters\n",ilr,nClu);
	187	//
	188	for (int icl=0;icl<nClu;icl++) {
	189	AliITSUClusterPix cl = (AliITSUClusterPix)clr->At(icl);
	190	int modID = cl->GetVolumeId();
	191
	192	//------------ check if this is a split cluster
	193	int sInL = modID - gm->GetFirstModIndex(ilr);
	194	if (!cl->TestBit(kSplCheck)) {
	195	cl->SetBit(kSplCheck);
	196	// check if there is no other cluster with same label on this module
	197	AliITSURecoSens* sens = lr->GetSensor(sInL);
	198	int nclSn = sens->GetNClusters();
	199	int offs = sens->GetFirstClusterId();
	200	// printf("To check for %d (mod:%d) N=%d from %d\n",icl,modID,nclSn,offs);
	201	for (int ics=0;ics<nclSn;ics++) {
	202	AliITSUClusterPix* clusT = (AliITSUClusterPix*)lr->GetCluster(offs+ics); // access to clusters
	203	if (clusT==cl) continue;
	204	for (int ilb0=0;ilb0<3;ilb0++) {
	205	int lb0 = cl->GetLabel(ilb0); if (lb0<=-1) break;
	206	for (int ilb1=0;ilb1<3;ilb1++) {
	207	int lb1 = clusT->GetLabel(ilb1); if (lb1<=-1) break;
	208	if (lb1==lb0) {
	209	cl->SetBit(kSplit);
	210	clusT->SetBit(kSplit);
	211	/*
	212	printf("Discard clusters of module %d:\n",modID);
	213	cl->Print();
	214	clusT->Print();
	215	*/
	216	break;
	217	}
	218	}
	219	}
	220	}
	221	}
	222	//------------
e9c281b8	223	const AliITSsegmentation* segm = gm->GetSegmentation(ilr);
e7c0d8c7	224	//
	225	cl->GetGlobalXYZ(xyzClGloF);
	226	int clsize = cl->GetNPix();
	227	for (int i=3;i--;) xyzClGlo[i] = xyzClGloF[i];
e9c281b8	228	const TGeoHMatrix* mat = gm->GetMatrixSens(modID);
e7c0d8c7	229	if (!mat) {printf("failed to get matrix for module %d\n",cl->GetVolumeId());}
	230	mat->MasterToLocal(xyzClGlo,xyzClTr);
	231	//
	232	int col,row;
	233	segm->LocalToDet(xyzClTr[0],xyzClTr[2],row,col); // effective col/row
	234	nLab = 0;
	235	for (int il=0;il<3;il++) {
	236	if (cl->GetLabel(il)>=0) labels[nLab++] = cl->GetLabel(il);
	237	else break;
	238	}
	239	// find hit info
	240	for (int il=0;il<nLab;il++) {
	241	TClonesArray* htArr = (TClonesArray*)arrMCTracks.At(labels[il]);
	242	if (!htArr) {printf("did not find MChits for label %d ",labels[il]); cl->Print(); continue;}
	243	//
	244	int nh = htArr->GetEntriesFast();
	245	AliITSUHit *pHit=0;
	246	for (int ih=nh;ih--;) {
	247	AliITSUHit* tHit = (AliITSUHit*)htArr->At(ih);
	248	if (tHit->GetModule()!=modID) continue;
	249	pHit = tHit;
	250	break;
	251	}
	252	if (!pHit) {
	253	printf("did not find MChit for label %d on module %d ",il,modID);
	254	cl->Print();
e9c281b8	255	htArr->Print();
e7c0d8c7	256	continue;
	257	}
	258	//
	259	pHit->GetPositionG(xg1,yg1,zg1);
	260	pHit->GetPositionG0(xg0,yg0,zg0,tg0);
	261	//
	262	double txyzH[3],gxyzH[3] = { (xg1+xg0)/2, (yg1+yg0)/2, (zg1+zg0)/2 };
	263	mat->MasterToLocal(gxyzH,txyzH);
	264	double rcl = TMath::Sqrt(xyzClTr[0]xyzClTr[0]+xyzClTr[1]xyzClTr[1]);
	265	double rht = TMath::Sqrt(txyzH[0]txyzH[0]+txyzH[1]txyzH[1]);
	266	//
	267	GetHistoClSize(clsize,kDR,&histoArr)->Fill((rht-rcl)*1e4);
	268	if (cl->TestBit(kSplit)) {
	269	if (col%2) GetHistoClSize(clsize,kDTXoddSPL,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
	270	else GetHistoClSize(clsize,kDTXevenSPL,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
	271	GetHistoClSize(clsize,kDTZSPL,&histoArr)->Fill((txyzH[2]-xyzClTr[2])*1e4);
	272	GetHistoClSize(0,kNPixSPL,&histoArr)->Fill(clsize);
	273	}
	274	if (col%2) GetHistoClSize(clsize,kDTXodd,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
	275	else GetHistoClSize(clsize,kDTXeven,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
	276	GetHistoClSize(clsize,kDTZ,&histoArr)->Fill((txyzH[2]-xyzClTr[2])*1e4);
	277	GetHistoClSize(0,kNPixAll,&histoArr)->Fill(clsize);
4c1ef97c	278	//
	279	cSum.evID = iEvent;
	280	cSum.volID = cl->GetVolumeId();
	281	cSum.lrID = ilr;
	282	cSum.clID = icl;
	283	cSum.nPix = cl->GetNPix();
	284	cSum.nX = cl->GetNx();
	285	cSum.nZ = cl->GetNz();
e9c281b8	286	cSum.q = cl->GetQ();
4c1ef97c	287	cSum.split = cl->TestBit(kSplit);
	288	cSum.dX = (txyzH[0]-xyzClTr[0])*1e4;
	289	cSum.dZ = (txyzH[2]-xyzClTr[2])*1e4;
	290	int label = cl->GetLabel(0);
	291	TParticle* part = 0;
	292	if (label>=0 && (part=stack->Particle(label)) ) {
	293	cSum.pdg = part->GetPdgCode();
	294	cSum.eta = part->Eta();
	295	cSum.pt = part->Pt();
e9c281b8	296	cSum.phi = part->Phi();
4c1ef97c	297	cSum.prim = stack->IsPhysicalPrimary(label);
	298	}
	299	cSum.ntr = 0;
	300	for (int ilb=0;ilb<3;ilb++) if (cl->GetLabel(ilb)>=0) cSum.ntr++;
	301	for (int i=0;i<3;i++) cSum.xyz[i] = xyzClGloF[i];
	302	//
	303	trOut->Fill();
e7c0d8c7	304	/*
	305	if (clsize==5) {
	306	printf("\nL%d(%c) Mod%d, Cl:%d \| %+5.1f %+5.1f (%d/%d)\|H:%e %e %e \| C:%e %e %e\n",ilr,cl->TestBit(kSplit) ? 'S':'N',
	307	modID,icl,(txyzH[0]-xyzClTr[0])1e4,(txyzH[2]-xyzClTr[2])1e4, row,col,
	308	gxyzH[0],gxyzH[1],gxyzH[2],xyzClGlo[0],xyzClGlo[1],xyzClGlo[2]);
	309	cl->Print();
	310	pHit->Print();
	311	//
	312	double a0,b0,c0,a1,b1,c1,e0;
	313	pHit->GetPositionL0(a0,b0,c0,e0);
	314	pHit->GetPositionL(a1,b1,c1);
	315	float cloc[3];
	316	cl->GetLocalXYZ(cloc);
	317	printf("LocH: %e %e %e \| %e %e %e\n",a0,b0,c0,a1,b1,c1);
	318	printf("LocC: %e %e %e \| %e %e %e\n",cloc[0],cloc[1],cloc[2],xyzClTr[0],xyzClTr[1],xyzClTr[2]);
	319	}
	320	*/
	321	//
	322	}
	323	}
	324	}
	325
	326	// layerClus.Clear();
	327	//
	328	arrMCTracks.Delete();
	329	}//event loop
	330	//
4c1ef97c	331	flOut->cd();
	332	trOut->Write();
	333	delete trOut;
	334	flOut->Close();
	335	flOut->Delete();
e7c0d8c7	336	DrawReport("clinfo.ps",&histoArr);
	337	//
	338	}
	339
	340	void DrawReport(const char* psname, TObjArray* harr)
	341	{
	342	gStyle->SetOptFit(1);
	343	if (!harr) harr = &histoArr;
	344	TCanvas* cnv = new TCanvas("cl","cl",900,600);
	345	//
	346	TString psnm1 = psname;
	347	if (psnm1.IsNull()) psnm1 = "clusters.ps";
	348	TString psnm0 = psnm1.Data();
	349	psnm0 += "[";
	350	TString psnm2 = psnm1.Data();
	351	psnm2 += "]";
	352	cnv->Print(psnm0.Data());
	353	//
	354	TH1* clall = GetHistoClSize(0,kNPixAll,harr);
	355	clall->SetLineColor(kRed);
	356	clall->Draw();
	357	TH1* clSpl = GetHistoClSize(0,kNPixSPL,harr);
	358	clSpl->SetLineColor(kBlue);
	359	clSpl->Draw("sames");
	360	gPad->Modified();
	361	gPad->Update();
	362	SetStPadPos(clall,0.75,0.97,0.8,1.,-1,clall->GetLineColor());
	363	SetStPadPos(clSpl,0.75,0.97,0.6,0.8,-1,clSpl->GetLineColor());
	364	gPad->Modified();
	365	gPad->Update();
	366	gPad->SetLogy(1);
	367	//
	368	cnv->cd();
	369	cnv->Print(psnm1.Data());
	370	//
	371	// plot cluster sized from 1 to 10
	372	for (int i=1;i<=10;i++) {
	373	if (clall->GetBinContent(clall->FindBin(i))<100) continue;
	374	DrawNP(i,harr,cnv);
	375	cnv->Print(psnm1.Data());
	376	}
	377	cnv->Print(psnm2.Data());
	378	}
	379
	380	//------------------------------------------
	381	TH1* GetHistoClSize(int npix,int id,TObjArray* harr)
	382	{
	383	// book histos
	384	TH1* h = 0;
	385	if (!harr) harr = &histoArr;
	386	//
	387	if (npix<1) {
	388	if (harr->GetEntriesFast()>=id && (h=(TH1*)harr->At(id))) return h;
	389	h = new TH1F("npixAll","npixAll",150,0.5,54.5);
	390	h->SetLineColor(kRed);
	391	harr->AddAtAndExpand(h, kNPixAll);
	392	//
	393	h = new TH1F("npixSpl","npixSpl",150,0.5,54.5);
	394	h->SetLineColor(kBlue);
	395	harr->AddAtAndExpand(h, kNPixSPL);
	396	//
	397	h = (TH1*)harr->At(id);
e9c281b8	398	if (!h) {printf("Unknown histo id=%d\n",id); exit(1);}
e7c0d8c7	399	return h;
	400	}
	401	//
	402	int idh = npix*10+id;
	403	if (harr->GetEntriesFast()>=idh && (h=(TH1*)harr->At(idh))) return h;
	404	//
	405	const int nbin=100;
	406	const double kdiff=80;
	407	// need to create set of histos
	408	//
	409	h = new TH1F(Form("dxy_npix%d",npix),Form("dr_npix%d",npix),nbin,-kdiff,kdiff);
	410	harr->AddAtAndExpand(h, npix*10 + kDR);
	411	//
	412	h = new TH1F(Form("dtxODD_npix%d",npix),Form("dtxODD_npix%d",npix),nbin,-kdiff,kdiff);
	413	h->SetLineColor(kRed);
	414	harr->AddAtAndExpand(h, npix*10 + kDTXodd);
	415	h = new TH1F(Form("dtxEVN_npix%d",npix),Form("dtxEVN_npix%d",npix),nbin,-kdiff,kdiff);
	416	h->SetLineColor(kBlue);
	417	harr->AddAtAndExpand(h, npix*10 + kDTXeven);
	418	//
	419	h = new TH1F(Form("dtz_npix%d",npix),Form("dtz_npix%d",npix),nbin,-kdiff,kdiff);
	420	h->SetLineColor(kGreen);
	421	harr->AddAtAndExpand(h, npix*10 + kDTZ);
	422	//
	423	//
	424	h = new TH1F(Form("SPL_dtxODD_npix%d",npix),Form("SPL_dtxODD_npix%d",npix),nbin,-kdiff,kdiff);
	425	h->SetLineColor(kMagenta);
	426	h->SetFillColor(kMagenta);
	427	h->SetFillStyle(3001);
	428	h->SetLineStyle(2);
	429	harr->AddAtAndExpand(h, npix*10 + kDTXoddSPL);
	430	h = new TH1F(Form("SPL_dtxEVN_npix%d",npix),Form("SPL_dtxEVN_npix%d",npix),nbin,-kdiff,kdiff);
	431	h->SetLineColor(kCyan);
	432	h->SetFillColor(kCyan);
	433	h->SetFillStyle(3006);
	434	h->SetLineStyle(2);
	435	harr->AddAtAndExpand(h, npix*10 + kDTXevenSPL);
	436	//
	437	h = new TH1F(Form("SPL_dtz_npix%d",npix),Form("SPLdtz_npix%d",npix),nbin,-kdiff,kdiff);
	438	harr->AddAtAndExpand(h, npix*10 + kDTZSPL);
	439	//
	440	h->SetLineColor(kGreen+2);
	441	h->SetFillColor(kGreen+2);
	442	h->SetLineStyle(2);
	443	h->SetFillStyle(3001);
	444	h = (TH1*)harr->At(idh);
	445	if (!h) {printf("Unknown histo id=%d\n",idh); exit(1);}
	446	return h;
	447	}
	448
	449
	450
	451	TCanvas* DrawNP(int np, TObjArray* harr, TCanvas* cnv)
	452	{
	453	if (!harr) harr = &histoArr;
	454	if (!cnv) cnv = new TCanvas(Form("cnv%d",np),Form("cnv%d",np),900,700);
	455	cnv->Clear();
	456	cnv->Divide(2,1);
	457	cnv->cd(1);
	458	//
	459	TH1* dxodd = (TH1)harr->At(np10+kDTXodd);
	460	TH1* dxevn = (TH1)harr->At(np10+kDTXeven);
	461	TH1* dxoddS =(TH1)harr->At(np10+kDTXoddSPL);
	462	TH1* dxevnS =(TH1)harr->At(np10+kDTXevenSPL);
463	double max = TMath::Max(dxodd->GetMaximum(),dxevn->GetMaximum());
464	dxodd->SetMaximum(1.1*max);
465	dxodd->GetXaxis()->SetTitle("#DeltaX, #mum");
466	dxodd->SetTitle(Form("#DeltaX for clSize=%d",np));
467	dxodd->Fit("gaus","","");
468	dxevn->Fit("gaus","","sames");
469	//
470	dxoddS->Draw("sames");
471	dxevnS->Draw("sames");
472	//
473	gPad->Modified();
474	gPad->Update();
475	SetStPadPos(dxodd,0.75,0.97,0.8,1., -1,dxodd->GetLineColor());
476	SetStPadPos(dxevn,0.75,0.97,0.6,0.8, -1,dxevn->GetLineColor());
477	SetStPadPos(dxoddS,0.75,0.97,0.4,0.6, -1,dxoddS->GetLineColor());
478	SetStPadPos(dxevnS,0.75,0.97,0.2,0.4, -1,dxevnS->GetLineColor());
479	//
480	cnv->cd(2);
481	TH1* dz = (TH1)harr->At(np10+kDTZ);
482	dz->SetTitle(Form("#DeltaZ for clSize=%d",np));
483	dz->GetXaxis()->SetTitle("#DeltaZ, #mum");
484	dz->Fit("gaus");
485	TH1* dzS = (TH1)harr->At(np10+kDTZSPL);
486	dz->Draw("sames");
487	gPad->Modified();
488	gPad->Update();
489	SetStPadPos(dz,0.75,0.97,0.8,1., -1, dz->GetLineColor());
490	SetStPadPos(dzS,0.75,0.97,0.5,0.7, -1, dzS->GetLineColor());
491	gPad->Modified();
492	gPad->Update();
493	//
494	cnv->cd();
495	return cnv;
496	}
497
498
499	TPaveStats* GetStPad(TH1* hst)
500	{
501	TList *lst = hst->GetListOfFunctions();
502	if (!lst) return 0;
503	int nf = lst->GetSize();
504	for (int i=0;i<nf;i++) {
505	TPaveStats fnc = (TPaveStats) lst->At(i);
506	if (fnc->InheritsFrom("TPaveStats")) return fnc;
507	}
508	return 0;
509	//
510	}
511
512
513	TPaveStats* SetStPadPos(TH1* hst,float x1,float x2,float y1,float y2, Int_t stl, Int_t col)
514	{
515	TPaveStats* pad = GetStPad(hst);
516	if (!pad) return 0;
517	pad->SetX1NDC( x1 );
518	pad->SetX2NDC( x2 );
519	pad->SetY1NDC( y1 );
520	pad->SetY2NDC( y2 );
521	if (stl>=0) pad->SetFillStyle(stl);
522	if (col>=0) pad->SetTextColor(col);
523	pad->SetFillColor(0);
524	//
525	gPad->Modified();
526	return pad;
527	}
528