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

#if !defined(__CINT__) || defined(__MAKECINT__)
#include "TObjArray.h"
#include "TFile.h"
#include "TTree.h"
#include "TH1F.h"
#include "AliITSUClusterPix.h"
#include "AliITSURecoLayer.h"
#include "AliITSURecoDet.h"
#include "AliITSUHit.h"
#include "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 dY;
  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("dY"  , &cSum.dY   ,"dY/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->GetFirstChipIndex(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->GetChip()!=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.dY = (txyzH[1]-xyzClTr[1])*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->SetDirectory(0);
    h->SetLineColor(kRed);
    harr->AddAtAndExpand(h, kNPixAll);
    //
    h = new TH1F("npixSpl","npixSpl",150,0.5,54.5);
    h->SetLineColor(kBlue);
    h->SetDirectory(0);
    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);
  h->SetDirectory(0);
  harr->AddAtAndExpand(h, npix*10 + kDR);
  //
  h  = new TH1F(Form("dtxODD_npix%d",npix),Form("dtxODD_npix%d",npix),nbin,-kdiff,kdiff);
  h->SetDirectory(0);
  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->SetDirectory(0);
  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);
  h->SetDirectory(0);
  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);
  h->SetDirectory(0);

  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);
  h->SetDirectory(0);
  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->SetDirectory(0);
  //
  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
ff2225f6	1	#if !defined(__CINT__) \|\| defined(__MAKECINT__)
	2	#include "TObjArray.h"
	3	#include "TFile.h"
	4	#include "TTree.h"
	5	#include "TH1F.h"
e60f2a04	6	#include "AliITSUClusterPix.h"
	7	#include "AliITSURecoLayer.h"
	8	#include "AliITSURecoDet.h"
	9	#include "AliITSUHit.h"
	10	#include "AliITSUGeomTGeo.h"
ff2225f6	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
	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
	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;
	45	Int_t q;
	46	Float_t pt;
	47	Float_t eta;
	48	Float_t phi;
	49	Float_t xyz[3];
	50	Float_t dX;
	51	Float_t dY;
	52	Float_t dZ;
	53	Bool_t split;
	54	Bool_t prim;
	55	Int_t pdg;
	56	Int_t ntr;
	57	} clSumm;
	58
	59	void compClusHits(int nev=-1)
	60	{
	61	const int kSplit=0x1<<22;
	62	const int kSplCheck=0x1<<23;
	63	//
	64	gSystem->Load("libITSUpgradeBase");
	65	gSystem->Load("libITSUpgradeSim");
	66	gSystem->Load("libITSUpgradeRec");
	67	gROOT->SetStyle("Plain");
	68
	69	AliCDBManager* man = AliCDBManager::Instance();
	70	man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
	71	man->SetSpecificStorage("GRP/GRP/Data",
	72	Form("local://%s",gSystem->pwd()));
	73	man->SetSpecificStorage("ITS/Align/Data",
	74	Form("local://%s",gSystem->pwd()));
75	man->SetSpecificStorage("ITS/Calib/RecoParam",
76	Form("local://%s",gSystem->pwd()));
77	man->SetRun(0);
78
79
80	gAlice=NULL;
81	AliRunLoader* runLoader = AliRunLoader::Open("galice.root");
82	runLoader->LoadgAlice();
83
84	gAlice = runLoader->GetAliRun();
85
86	runLoader->LoadHeader();
87	runLoader->LoadKinematics();
88	runLoader->LoadRecPoints();
89	runLoader->LoadSDigits();
90	runLoader->LoadHits();
91
92	AliLoader *dl = runLoader->GetDetectorLoader("ITS");
93
94	AliGeomManager::LoadGeometry("geometry.root");
95	TObjArray algITS;
96	AliGeomManager::LoadAlignObjsFromCDBSingleDet("ITS",algITS);
97	AliGeomManager::ApplyAlignObjsToGeom(algITS);
98	//
99	AliITSUGeomTGeo* gm = new AliITSUGeomTGeo(kTRUE);
100	AliITSUClusterPix::SetGeom(gm);
101	//
102	AliITSURecoDet *its = new AliITSURecoDet(gm, "ITSinterface");
103	its->CreateClusterArrays();
104	//
105	Double_t xg1,yg1,zg1=0.,xg0,yg0,zg0=0.,tg0;
106	//
107	TTree * cluTree = 0x0;
108	TTree *hitTree = 0x0;
109	TClonesArray *hitList=new TClonesArray("AliITSUHit");
110	//
111	TObjArray arrMCTracks; // array of hit arrays for each particle
112	//
113	Float_t xyzClGloF[3];
114	Double_t xyzClGlo[3],xyzClTr[3];
115	Int_t labels[3];
116	int nLab = 0;
117	int nlr=its->GetNLayersActive();
118	int ntotev = (Int_t)runLoader->GetNumberOfEvents();
119	printf("N Events : %i \n",ntotev);
120	if (nev>0) ntotev = TMath::Min(nev,ntotev);
121	//
122	// output tree
123	TFile* flOut = TFile::Open("clInfo.root","recreate");
124	TTree* trOut = new TTree("clitsu","clitsu");
125	clSumm cSum;
126	trOut->Branch("evID", &cSum.evID ,"evID/I");
127	trOut->Branch("volID",&cSum.volID,"volID/I");
128	trOut->Branch("lrID", &cSum.lrID ,"lrID/I");
129	trOut->Branch("clID", &cSum.clID ,"clID/I");
130	trOut->Branch("nPix", &cSum.nPix ,"nPix/I");
131	trOut->Branch("nX" , &cSum.nX ,"nX/I");
132	trOut->Branch("nZ" , &cSum.nZ ,"nZ/I");
133	trOut->Branch("q" , &cSum.q ,"q/I");
134	trOut->Branch("pt" , &cSum.pt ,"pt/F");
135	trOut->Branch("eta" ,&cSum.eta ,"eta/F");
136	trOut->Branch("phi" , &cSum.phi ,"phi/F");
137	trOut->Branch("xyz", cSum.xyz, "xyz[3]/F");
138	trOut->Branch("dX" , &cSum.dX ,"dX/F");
139	trOut->Branch("dY" , &cSum.dY ,"dY/F");
140	trOut->Branch("dZ" , &cSum.dZ ,"dZ/F");
141	trOut->Branch("split",&cSum.split,"split/O");
142	trOut->Branch("prim", &cSum.prim, "prim/O");
143	trOut->Branch("pdg", &cSum.pdg, "pdg/I");
144	trOut->Branch("ntr", &cSum.ntr, "ntr/I");
145	//
146	for (Int_t iEvent = 0; iEvent < ntotev; iEvent++) {
147	printf("\n Event %i \n",iEvent);
148	runLoader->GetEvent(iEvent);
149	AliStack *stack = runLoader->Stack();
150	cluTree=dl->TreeR();
151	hitTree=dl->TreeH();
152	hitTree->SetBranchAddress("ITS",&hitList);
153	//
154	// read clusters
155	for (int ilr=nlr;ilr--;) {
156	TBranch* br = cluTree->GetBranch(Form("ITSRecPoints%d",ilr));
157	if (!br) {printf("Did not find cluster branch for lr %d\n",ilr); exit(1);}
158	br->SetAddress(its->GetLayerActive(ilr)->GetClustersAddress());
159	}
160	cluTree->GetEntry(0);
161	its->ProcessClusters();
162	//
163	// read hits
164	for(Int_t iEnt=0;iEnt<hitTree->GetEntries();iEnt++){//entries loop degli hits
165	hitTree->GetEntry(iEnt);
166	int nh = hitList->GetEntries();
167	for(Int_t iHit=0; iHit<nh;iHit++){
168	AliITSUHit pHit = (AliITSUHit)hitList->At(iHit);
169	int mcID = pHit->GetTrack();
170	TClonesArray* harr = arrMCTracks.GetEntriesFast()>mcID ? (TClonesArray*)arrMCTracks.At(mcID) : 0;
171	if (!harr) {
172	harr = new TClonesArray("AliITSUHit"); // 1st encounter of the MC track
173	arrMCTracks.AddAtAndExpand(harr,mcID);
174	}
175	//
176	new ( (harr)[harr->GetEntriesFast()] ) AliITSUHit(pHit);
177	}
178	}
179	//
180	// compare clusters and hits
181	//
182	printf(" tree entries: %lld\n",cluTree->GetEntries());
183	//
184	for (int ilr=0;ilr<nlr;ilr++) {
185	AliITSURecoLayer* lr = its->GetLayerActive(ilr);
186	TClonesArray* clr = lr->GetClusters();
187	int nClu = clr->GetEntries();
188	printf("Layer %d : %d clusters\n",ilr,nClu);
189	//
190	for (int icl=0;icl<nClu;icl++) {
191	AliITSUClusterPix cl = (AliITSUClusterPix)clr->At(icl);
192	int modID = cl->GetVolumeId();
193
194	//------------ check if this is a split cluster
195	int sInL = modID - gm->GetFirstChipIndex(ilr);
196	if (!cl->TestBit(kSplCheck)) {
197	cl->SetBit(kSplCheck);
198	// check if there is no other cluster with same label on this module
199	AliITSURecoSens* sens = lr->GetSensor(sInL);
200	int nclSn = sens->GetNClusters();
201	int offs = sens->GetFirstClusterId();
202	// printf("To check for %d (mod:%d) N=%d from %d\n",icl,modID,nclSn,offs);
203	for (int ics=0;ics<nclSn;ics++) {
204	AliITSUClusterPix* clusT = (AliITSUClusterPix*)lr->GetCluster(offs+ics); // access to clusters
205	if (clusT==cl) continue;
206	for (int ilb0=0;ilb0<3;ilb0++) {
207	int lb0 = cl->GetLabel(ilb0); if (lb0<=-1) break;
208	for (int ilb1=0;ilb1<3;ilb1++) {
209	int lb1 = clusT->GetLabel(ilb1); if (lb1<=-1) break;
210	if (lb1==lb0) {
211	cl->SetBit(kSplit);
212	clusT->SetBit(kSplit);
213	/*
214	printf("Discard clusters of module %d:\n",modID);
215	cl->Print();
216	clusT->Print();
217	*/
218	break;
219	}
220	}
221	}
222	}
223	}
224	//------------
225	const AliITSsegmentation* segm = gm->GetSegmentation(ilr);
226	//
227	cl->GetGlobalXYZ(xyzClGloF);
228	int clsize = cl->GetNPix();
229	for (int i=3;i--;) xyzClGlo[i] = xyzClGloF[i];
230	const TGeoHMatrix* mat = gm->GetMatrixSens(modID);
231	if (!mat) {printf("failed to get matrix for module %d\n",cl->GetVolumeId());}
232	mat->MasterToLocal(xyzClGlo,xyzClTr);
233	//
234	int col,row;
235	segm->LocalToDet(xyzClTr[0],xyzClTr[2],row,col); // effective col/row
236	nLab = 0;
237	for (int il=0;il<3;il++) {
238	if (cl->GetLabel(il)>=0) labels[nLab++] = cl->GetLabel(il);
239	else break;
240	}
241	// find hit info
242	for (int il=0;il<nLab;il++) {
243	TClonesArray* htArr = (TClonesArray*)arrMCTracks.At(labels[il]);
244	if (!htArr) {printf("did not find MChits for label %d ",labels[il]); cl->Print(); continue;}
245	//
246	int nh = htArr->GetEntriesFast();
247	AliITSUHit *pHit=0;
248	for (int ih=nh;ih--;) {
249	AliITSUHit* tHit = (AliITSUHit*)htArr->At(ih);
250	if (tHit->GetChip()!=modID) continue;
251	pHit = tHit;
252	break;
253	}
254	if (!pHit) {
255	printf("did not find MChit for label %d on module %d ",il,modID);
256	cl->Print();
257	htArr->Print();
258	continue;
259	}
260	//
261	pHit->GetPositionG(xg1,yg1,zg1);
262	pHit->GetPositionG0(xg0,yg0,zg0,tg0);
263	//
264	double txyzH[3],gxyzH[3] = { (xg1+xg0)/2, (yg1+yg0)/2, (zg1+zg0)/2 };
265	mat->MasterToLocal(gxyzH,txyzH);
266	double rcl = TMath::Sqrt(xyzClTr[0]xyzClTr[0]+xyzClTr[1]xyzClTr[1]);
267	double rht = TMath::Sqrt(txyzH[0]txyzH[0]+txyzH[1]txyzH[1]);
268	//
269	GetHistoClSize(clsize,kDR,&histoArr)->Fill((rht-rcl)*1e4);
270	if (cl->TestBit(kSplit)) {
271	if (col%2) GetHistoClSize(clsize,kDTXoddSPL,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
272	else GetHistoClSize(clsize,kDTXevenSPL,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
273	GetHistoClSize(clsize,kDTZSPL,&histoArr)->Fill((txyzH[2]-xyzClTr[2])*1e4);
274	GetHistoClSize(0,kNPixSPL,&histoArr)->Fill(clsize);
275	}
276	if (col%2) GetHistoClSize(clsize,kDTXodd,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
277	else GetHistoClSize(clsize,kDTXeven,&histoArr)->Fill((txyzH[0]-xyzClTr[0])*1e4);
278	GetHistoClSize(clsize,kDTZ,&histoArr)->Fill((txyzH[2]-xyzClTr[2])*1e4);
279	GetHistoClSize(0,kNPixAll,&histoArr)->Fill(clsize);
280	//
281	cSum.evID = iEvent;
282	cSum.volID = cl->GetVolumeId();
283	cSum.lrID = ilr;
284	cSum.clID = icl;
285	cSum.nPix = cl->GetNPix();
286	cSum.nX = cl->GetNx();
287	cSum.nZ = cl->GetNz();
288	cSum.q = cl->GetQ();
289	cSum.split = cl->TestBit(kSplit);
290	cSum.dX = (txyzH[0]-xyzClTr[0])*1e4;
291	cSum.dY = (txyzH[1]-xyzClTr[1])*1e4;
292	cSum.dZ = (txyzH[2]-xyzClTr[2])*1e4;
293	int label = cl->GetLabel(0);
294	TParticle* part = 0;
295	if (label>=0 && (part=stack->Particle(label)) ) {
296	cSum.pdg = part->GetPdgCode();
297	cSum.eta = part->Eta();
298	cSum.pt = part->Pt();
299	cSum.phi = part->Phi();
300	cSum.prim = stack->IsPhysicalPrimary(label);
301	}
302	cSum.ntr = 0;
303	for (int ilb=0;ilb<3;ilb++) if (cl->GetLabel(ilb)>=0) cSum.ntr++;
304	for (int i=0;i<3;i++) cSum.xyz[i] = xyzClGloF[i];
305	//
306	trOut->Fill();
307	/*
308	if (clsize==5) {
309	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',
310	modID,icl,(txyzH[0]-xyzClTr[0])1e4,(txyzH[2]-xyzClTr[2])1e4, row,col,
311	gxyzH[0],gxyzH[1],gxyzH[2],xyzClGlo[0],xyzClGlo[1],xyzClGlo[2]);
312	cl->Print();
313	pHit->Print();
314	//
315	double a0,b0,c0,a1,b1,c1,e0;
316	pHit->GetPositionL0(a0,b0,c0,e0);
317	pHit->GetPositionL(a1,b1,c1);
318	float cloc[3];
319	cl->GetLocalXYZ(cloc);
320	printf("LocH: %e %e %e \| %e %e %e\n",a0,b0,c0,a1,b1,c1);
321	printf("LocC: %e %e %e \| %e %e %e\n",cloc[0],cloc[1],cloc[2],xyzClTr[0],xyzClTr[1],xyzClTr[2]);
322	}
323	*/
324	//
325	}
326	}
327	}
328
329	// layerClus.Clear();
330	//
331	arrMCTracks.Delete();
332	}//event loop
333	//
334	flOut->cd();
335	trOut->Write();
336	delete trOut;
337	flOut->Close();
338	flOut->Delete();
339	DrawReport("clinfo.ps",&histoArr);
340	//
341	}
342
343	void DrawReport(const char* psname, TObjArray* harr)
344	{
345	gStyle->SetOptFit(1);
346	if (!harr) harr = &histoArr;
347	TCanvas* cnv = new TCanvas("cl","cl",900,600);
348	//
349	TString psnm1 = psname;
350	if (psnm1.IsNull()) psnm1 = "clusters.ps";
351	TString psnm0 = psnm1.Data();
352	psnm0 += "[";
353	TString psnm2 = psnm1.Data();
354	psnm2 += "]";
355	cnv->Print(psnm0.Data());
356	//
357	TH1* clall = GetHistoClSize(0,kNPixAll,harr);
358	clall->SetLineColor(kRed);
359	clall->Draw();
360	TH1* clSpl = GetHistoClSize(0,kNPixSPL,harr);
361	clSpl->SetLineColor(kBlue);
362	clSpl->Draw("sames");
363	gPad->Modified();
364	gPad->Update();
365	SetStPadPos(clall,0.75,0.97,0.8,1.,-1,clall->GetLineColor());
366	SetStPadPos(clSpl,0.75,0.97,0.6,0.8,-1,clSpl->GetLineColor());
367	gPad->Modified();
368	gPad->Update();
369	gPad->SetLogy(1);
370	//
371	cnv->cd();
372	cnv->Print(psnm1.Data());
373	//
374	// plot cluster sized from 1 to 10
375	for (int i=1;i<=10;i++) {
376	if (clall->GetBinContent(clall->FindBin(i))<100) continue;
377	DrawNP(i,harr,cnv);
378	cnv->Print(psnm1.Data());
379	}
380	cnv->Print(psnm2.Data());
381	}
382
383	//------------------------------------------
384	TH1* GetHistoClSize(int npix,int id,TObjArray* harr)
385	{
386	// book histos
387	TH1* h = 0;
388	if (!harr) harr = &histoArr;
389	//
390	if (npix<1) {
391	if (harr->GetEntriesFast()>=id && (h=(TH1*)harr->At(id))) return h;
392	h = new TH1F("npixAll","npixAll",150,0.5,54.5);
393	h->SetDirectory(0);
394	h->SetLineColor(kRed);
395	harr->AddAtAndExpand(h, kNPixAll);
396	//
397	h = new TH1F("npixSpl","npixSpl",150,0.5,54.5);
398	h->SetLineColor(kBlue);
399	h->SetDirectory(0);
400	harr->AddAtAndExpand(h, kNPixSPL);
401	//
402	h = (TH1*)harr->At(id);
403	if (!h) {printf("Unknown histo id=%d\n",id); exit(1);}
404	return h;
405	}
406	//
407	int idh = npix*10+id;
408	if (harr->GetEntriesFast()>=idh && (h=(TH1*)harr->At(idh))) return h;
409	//
410	const int nbin=100;
411	const double kdiff=80;
412	// need to create set of histos
413	//
414	h = new TH1F(Form("dxy_npix%d",npix),Form("dr_npix%d",npix),nbin,-kdiff,kdiff);
415	h->SetDirectory(0);
416	harr->AddAtAndExpand(h, npix*10 + kDR);
417	//
418	h = new TH1F(Form("dtxODD_npix%d",npix),Form("dtxODD_npix%d",npix),nbin,-kdiff,kdiff);
419	h->SetDirectory(0);
420	h->SetLineColor(kRed);
421	harr->AddAtAndExpand(h, npix*10 + kDTXodd);
422	h = new TH1F(Form("dtxEVN_npix%d",npix),Form("dtxEVN_npix%d",npix),nbin,-kdiff,kdiff);
423	h->SetDirectory(0);
424	h->SetLineColor(kBlue);
425	harr->AddAtAndExpand(h, npix*10 + kDTXeven);
426	//
427	h = new TH1F(Form("dtz_npix%d",npix),Form("dtz_npix%d",npix),nbin,-kdiff,kdiff);
428	h->SetLineColor(kGreen);
429	h->SetDirectory(0);
430	harr->AddAtAndExpand(h, npix*10 + kDTZ);
431	//
432	//
433	h = new TH1F(Form("SPL_dtxODD_npix%d",npix),Form("SPL_dtxODD_npix%d",npix),nbin,-kdiff,kdiff);
434	h->SetLineColor(kMagenta);
435	h->SetFillColor(kMagenta);
436	h->SetFillStyle(3001);
437	h->SetLineStyle(2);
438	h->SetDirectory(0);
439
440	harr->AddAtAndExpand(h, npix*10 + kDTXoddSPL);
441	h = new TH1F(Form("SPL_dtxEVN_npix%d",npix),Form("SPL_dtxEVN_npix%d",npix),nbin,-kdiff,kdiff);
442	h->SetLineColor(kCyan);
443	h->SetFillColor(kCyan);
444	h->SetFillStyle(3006);
445	h->SetLineStyle(2);
446	h->SetDirectory(0);
447	harr->AddAtAndExpand(h, npix*10 + kDTXevenSPL);
448	//
449	h = new TH1F(Form("SPL_dtz_npix%d",npix),Form("SPLdtz_npix%d",npix),nbin,-kdiff,kdiff);
450	harr->AddAtAndExpand(h, npix*10 + kDTZSPL);
451	h->SetDirectory(0);
452	//
453	h->SetLineColor(kGreen+2);
454	h->SetFillColor(kGreen+2);
455	h->SetLineStyle(2);
456	h->SetFillStyle(3001);
457	h = (TH1*)harr->At(idh);
458	if (!h) {printf("Unknown histo id=%d\n",idh); exit(1);}
459	return h;
460	}
461
462
463
464	TCanvas* DrawNP(int np, TObjArray* harr, TCanvas* cnv)
465	{
466	if (!harr) harr = &histoArr;
467	if (!cnv) cnv = new TCanvas(Form("cnv%d",np),Form("cnv%d",np),900,700);
468	cnv->Clear();
469	cnv->Divide(2,1);
470	cnv->cd(1);
471	//
472	TH1* dxodd = (TH1)harr->At(np10+kDTXodd);
473	TH1* dxevn = (TH1)harr->At(np10+kDTXeven);
474	TH1* dxoddS =(TH1)harr->At(np10+kDTXoddSPL);
475	TH1* dxevnS =(TH1)harr->At(np10+kDTXevenSPL);
476	double max = TMath::Max(dxodd->GetMaximum(),dxevn->GetMaximum());
477	dxodd->SetMaximum(1.1*max);
478	dxodd->GetXaxis()->SetTitle("#DeltaX, #mum");
479	dxodd->SetTitle(Form("#DeltaX for clSize=%d",np));
480	dxodd->Fit("gaus","","");
481	dxevn->Fit("gaus","","sames");
482	//
483	dxoddS->Draw("sames");
484	dxevnS->Draw("sames");
485	//
486	gPad->Modified();
487	gPad->Update();
488	SetStPadPos(dxodd,0.75,0.97,0.8,1., -1,dxodd->GetLineColor());
489	SetStPadPos(dxevn,0.75,0.97,0.6,0.8, -1,dxevn->GetLineColor());
490	SetStPadPos(dxoddS,0.75,0.97,0.4,0.6, -1,dxoddS->GetLineColor());
491	SetStPadPos(dxevnS,0.75,0.97,0.2,0.4, -1,dxevnS->GetLineColor());
492	//
493	cnv->cd(2);
494	TH1* dz = (TH1)harr->At(np10+kDTZ);
495	dz->SetTitle(Form("#DeltaZ for clSize=%d",np));
496	dz->GetXaxis()->SetTitle("#DeltaZ, #mum");
497	dz->Fit("gaus");
498	TH1* dzS = (TH1)harr->At(np10+kDTZSPL);
499	dz->Draw("sames");
500	gPad->Modified();
501	gPad->Update();
502	SetStPadPos(dz,0.75,0.97,0.8,1., -1, dz->GetLineColor());
503	SetStPadPos(dzS,0.75,0.97,0.5,0.7, -1, dzS->GetLineColor());
504	gPad->Modified();
505	gPad->Update();
506	//
507	cnv->cd();
508	return cnv;
509	}
510
511
512	TPaveStats* GetStPad(TH1* hst)
513	{
514	TList *lst = hst->GetListOfFunctions();
515	if (!lst) return 0;
516	int nf = lst->GetSize();
517	for (int i=0;i<nf;i++) {
518	TPaveStats fnc = (TPaveStats) lst->At(i);
519	if (fnc->InheritsFrom("TPaveStats")) return fnc;
520	}
521	return 0;
522	//
523	}
524
525
526	TPaveStats* SetStPadPos(TH1* hst,float x1,float x2,float y1,float y2, Int_t stl, Int_t col)
527	{
528	TPaveStats* pad = GetStPad(hst);
529	if (!pad) return 0;
530	pad->SetX1NDC( x1 );
531	pad->SetX2NDC( x2 );
532	pad->SetY1NDC( y1 );
533	pad->SetY2NDC( y2 );
534	if (stl>=0) pad->SetFillStyle(stl);
535	if (col>=0) pad->SetTextColor(col);
536	pad->SetFillColor(0);
537	//
538	gPad->Modified();
539	return pad;
540	}
541