Example #1
0
//______________________________________________________________________________
void drawsparse()
{
   // create a THnSparse and draw it.

#ifdef __CINT__
   printf("For performance reasons we advise to run \".x drawsparse.C+\"\n");
#endif

   const Int_t ndims = 8;
   Int_t bins[ndims] = {10, 10, 5, 30, 10, 4, 18, 12};
   Double_t xmin[ndims] = {-5., -10., -1000., -3., 0.,   0., 0., 0.};
   Double_t xmax[ndims] = {10., 70., 3000.,   3.,   5.,  2., 2., 5.};
   THnSparse* hs = new THnSparseD("hs", "Sparse Histogram", ndims, bins, xmin, xmax);

   // fill it
   Double_t x[ndims];
   for (Long_t i = 0; i < 100000; ++i) {
      for (Int_t d = 0; d < ndims; ++d) {
         switch (d) {
         case 0: x[d] = gRandom->Gaus()*2 + 3.; break;
         case 1:
         case 2:
         case 3: x[d] = (x[d-1]*x[d-1] - 1.5)/1.5 + (0.5*gRandom->Rndm()); break;
         default: x[d] = sin(gRandom->Gaus()*i/1000.) + 1.;
         }
      }
      hs->Fill(x);
   }


   TFile* f = new TFile("drawsparse.root","RECREATE");

   TCanvas* canv = new TCanvas("hDrawSparse", "Drawing a sparse hist");
   canv->Divide(2);

   // draw it
   canv->cd(1);
   drawsparse_draw(hs);

   // project it
   canv->cd(2);
   TH3D* h3proj = hs->Projection(2, 3, 6);
   h3proj->SetLineColor(kOrange);
   h3proj->SetDirectory(0);
   h3proj->Draw("lego1");

   // save everything to a file
   canv->Write();
   hs->Write();
   h3proj->Write();

   delete f;
}
Example #2
0
void TTimeHists::Fill(EHist hist)
{
   for (Long_t n = 0; n < fNum; ++n) {
      NextValues();
      if (fgDebug > 1) {
         printf("%ld: fill %s", n, hist == kHist? (fDim < 4 ? "hist" : "arr") : "sparse");
         for (Int_t d = 0; d < fDim; ++d)
            printf("[%g]", fValue[d]);
         printf("\n");
      }
      if (hist == kHist) {
         switch (fDim) {
         case 1: fHist->Fill(fValue[0]); break;
         case 2: ((TH2F*)fHist)->Fill(fValue[0], fValue[1]); break;
         case 3: ((TH3F*)fHist)->Fill(fValue[0], fValue[1], fValue[2]); break;
         default: fHn->Fill(fValue); break;
         }
      } else {
         fSparse->Fill(fValue);
      }
   }
}
Example #3
0
void doit(bool small) {
   Int_t blowup = 1;
   if (!small) blowup = 4;
   Int_t nbins[] = {10 * blowup, 20 * blowup, 14 * blowup};
   Double_t xmin[] = {0., -1., 0.};
   Double_t xmax[] = {1., 1., 10.};
         
   THnSparse* sparse = new THnSparseF("sparse" ,"sparse TH3", 3,
                                      nbins, xmin, xmax);
   sparse->Sumw2();

   TH3F* h = new TH3F("h", "nonsparse TH3", nbins[0], xmin[0], xmax[0],
                      nbins[1], xmin[1], xmax[1],
                      nbins[2], xmin[2], xmax[2]);
   h->Sumw2();

   for (Int_t entries = 0; entries < 10000; ++entries) {
      Double_t x[3];
      for (Int_t d = 0; d < 3; ++d)
         // 10% overshoot to tests overflows
         x[d] = gRandom->Rndm()*(xmax[d]*1.2 - xmin[d]*1.2) + xmin[d]*1.1;
      sparse->Fill(x);
      h->Fill(x[0], x[1], x[2]);
   }

   CheckFillProjection(h, sparse);
   CheckProjection1(h, sparse);
   CheckProjection2(h, sparse);
   CheckScale(h, sparse);
   CheckClone(h, sparse);
   CheckSubtract(h, sparse);
   CheckDivide(h, sparse);
   CheckErrors(h, sparse);
   CheckBinomial(h, sparse);
   CheckMerge(h, sparse);

   delete h;
   delete sparse;
}
Example #4
0
void UnitTestAliTPCcalibAlignStreamer(const char *fname="/hera/alice/local/benchmark/vAN-20140518/000128503/cpass1/CalibObjects.root"){
  //
  // test streamer of the AliTPCcalibAlign::Streamer
  //   0.) Read old data part
  //   1.) Fill part 
  //   2.) Write part
  //   3.) Read back - consistency check
  //   4.) Destructor check
  //   5.) Memory usage print
  //
  AliLog::SetClassDebugLevel("AliTPCcalibAlign",1);
  AliTPCcalibAlign * align=0;
  Int_t nPoints=1000000;
  //
  //  0.) Read old data part
  //
  TFile *fin= TFile::Open(fname);
  if (fin){
    AliSysInfo::AddStamp("LoadFile");
    align = (AliTPCcalibAlign * )fin->Get("TPCAlign/alignTPC");
    AliSysInfo::AddStamp("LoadAlign");
    fin->Close();
    delete fin;
    if (align->GetClusterDelta(0)==NULL){
      ::Error("UnitTestAliTPCcalibAlignStreamer","Not back compatible class- GetClusterDelta");
      align->MakeResidualHistos();    
    }
    if (align->GetTrackletDelta(0)==NULL){
      ::Error("UnitTestAliTPCcalibAlignStreamer","Not back compatible class- GetTrackletDelta");
      align->MakeResidualHistosTracklet();
    }
  }else{
  }


  //
  // 1.) Fill part test
  //
  for (Int_t ipoint=0; ipoint<nPoints; ipoint++){
    Double_t xxx[10]={0};
    for (Int_t ihis=0; ihis<2; ihis++){
      THn* his = align->GetClusterDelta(ihis);
      for (Int_t iaxis=0; iaxis<his->GetNdimensions(); iaxis++) {
	xxx[iaxis]=his->GetAxis(iaxis)->GetXmin()+gRandom->Rndm()*(his->GetAxis(iaxis)->GetXmax()-his->GetAxis(iaxis)->GetXmin());
      }
      his->Fill(xxx);
    }
    for (Int_t ihis=0; ihis<4; ihis++){
      THnSparse* his = align->GetTrackletDelta(ihis);
      for (Int_t iaxis=0; iaxis<his->GetNdimensions(); iaxis++) {
	xxx[iaxis]=his->GetAxis(iaxis)->GetXmin()+gRandom->Rndm()*(his->GetAxis(iaxis)->GetXmax()-his->GetAxis(iaxis)->GetXmin());
      }
      his->Fill(xxx);
    }
  } 
  AliSysInfo::AddStamp("FillTrees");
  //
  // 2.) Write part
  //
  TFile * fout=new TFile("testAliTPCcalibAlignStreamer.root","recreate");
  AliSysInfo::AddStamp("WriteAlignStart");
  align->Write("alignTPC"); 
  AliSysInfo::AddStamp("WriteAlignEnd");
  fout->ls();
  fout->Close();
  delete fout;
  //
  // 3.) Read back - consistency check
  //
  fin=new TFile("testAliTPCcalibAlignStreamer.root");
  AliTPCcalibAlign * align2 = (AliTPCcalibAlign *)fin->Get("alignTPC");  
  AliSysInfo::AddStamp("ReadAlign2");
  if (align2==NULL){
    ::Fatal("UnitTestAliTPCcalibAlignStreamer","Alignemnt not read");
  }else{
    ::Info("UnitTestAliTPCcalibAlignStreamer","Alignemnt read-OK");
  }
  if (align2->GetClusterDelta(0)==NULL){
    ::Fatal("UnitTestAliTPCcalibAlignStreamer","histogram GetClusterDelta(0) not read");
  }else{
    ::Info("UnitTestAliTPCcalibAlignStreamer","histogram read GetClusterDelta(0) -OK");
  }
  if (align2->GetTrackletDelta(0)==NULL){
    ::Fatal("UnitTestAliTPCcalibAlignStreamer","histogram GetTrackletDelta(0)not read");
  }else{
    ::Info("UnitTestAliTPCcalibAlignStreamer","histogram read GetTrackletDelta(0) -OK");
  }

  if (align2->GetClusterDelta(0)->GetEntries()!=align->GetClusterDelta(0)->GetEntries()){
    ::Fatal("UnitTestAliTPCcalibAlignStreamer","histogram with different entries");
  }else{
    ::Info("UnitTestAliTPCcalibAlignStreamer","histogram cont. GettrackletDelta(0) -OK");
  }
  if (align2->GetTrackletDelta(0)->GetEntries()!=align->GetTrackletDelta(0)->GetEntries()){
    ::Fatal("UnitTestAliTPCcalibAlignStreamer","histogram with different entries");
  }
  //
  // 4.) Destructor check
  //
  delete align2;
  AliSysInfo::AddStamp("deleteAlign2");
  delete align;
  AliSysInfo::AddStamp("deleteAlign");
  //
  // 5.) Memory usage print
  //
  TTree * treeSys =AliSysInfo::MakeTree("syswatch.log");
  treeSys->Scan("sname:deltaVM:VM:pI.fMemResident","","colsize=30:15:15:20");

}