C++ TDatime::Print方法代码示例

void mySelector::SlaveTerminate()
{
   // The SlaveTerminate() function is called after all entries or objects
   // have been processed. When running with PROOF SlaveTerminate() is called
   // on each slave server.
  cout<<"-------------End of Slave Job----------------"<<endl;
  tNow.Set();tNow.Print();
  cout<<"Number of Event: "<<fNumberOfEvents<<", elapsed time: "<<tNow.Convert()-tBegin.Convert()<<"seconds,rate: "<<float(fNumberOfEvents)/(tNow.Convert()-tBegin.Convert())<<endl;
}

void mySelector::Begin(TTree * /*tree*/)
{
   // The Begin() function is called at the start of the query.
   // When running with PROOF Begin() is only called on the client.
   // The tree argument is deprecated (on PROOF 0 is passed).

   TString option = GetOption();
   tBegin.Set();
   fNumberOfEvents = 0;
   cout<<"-------Begin of job-------"<<endl;
   tBegin.Print();
}

void MySelector::Begin(TTree * /*tree*/)
{
   // The Begin() function is called at the start of the query.
   // When running with PROOF Begin() is only called on the client.
   // The tree argument is deprecated (on PROOF 0 is passed).

   TString option = GetOption();

   // some time measurement
   tBegin.Set(); printf("*==* ---------- Begin of Job ----------");
   tBegin.Print();
}

void mySelector::Terminate()
{
   // The Terminate() function is the last function to be called during
   // a query. It always runs on the client, it can be used to present
   // the results graphically or save the results to file.
  TString option = GetOption();
  TString output = "gr_";
  output += option;
  output += ".root";
  TFile *hfile = new TFile(output,"RECREATE","FONLL CCbar cross section");
  
  hfile->cd();
  const Int_t npoint = eventnumber;
  Float_t x[npoint];
  Float_t y[npoint];
  Float_t ylow[npoint];
  Float_t yup[npoint];
  for(int i=0;i<npoint;i++)
    {
      x[i] = Pt[i];
      y[i] = Central[i];
      ylow[i] = Down[i];
      yup[i] = Up[i];
    }
  //TGraph *grFONLLD0 = new TGraph(npoint,Pt,Central);
  TDirectoryFile *ratioErr = new TDirectoryFile(option,"ratio error of scale pp500 to pp200 ");
  ratioErr->SetName(option);
  ratioErr->Add(hRatio);
  TGraph *grFONLLRatio = new TGraph(npoint,x,y);
  grFONLLRatio->SetName("grFONLLRatio");
  TGraph *grFONLLRatio_u = new TGraph(npoint,x,yup);
  grFONLLRatio_u->SetName("grFONLLRatio_u");
  TGraph *grFONLLRatio_d = new TGraph(npoint,x,ylow);
  grFONLLRatio_d->SetName("grFONLLRatio_d");
  grFONLLRatio->Print();
  ///grFONLLRatio->Write();
  ratioErr->Add(grFONLLRatio);
  grFONLLRatio_u->Print();
  //grFONLLRatio_u->Write();
  ratioErr->Add(grFONLLRatio_u);
  grFONLLRatio_d->Print();
  //grFONLLRatio_d->Write();
  ratioErr->Add(grFONLLRatio_d);
  ratioErr->Write();
  hfile->Print();
  hfile->Close();
  tNow.Set();
  cout<<"----------End of job----------"<<endl;
  tNow.Print();
}

void MySelector::SlaveTerminate()
{
   // The SlaveTerminate() function is called after all entries or
   // objects have been processed. When running with PROOF
   // SlaveTerminate() is called on each slave server.

  // some statistics at end of job
  printf("\n *==* ---------- End of Slave Job ----------   ");
  tNow.Set(); tNow.Print();
  printf(
  "Number of Events: %i, elapsed time: %i sec, rate: %g evts/sec\n"
  ,fNumberOfEvents,
  tNow.Convert()-tBegin.Convert(),
   float(fNumberOfEvents)/(tNow.Convert()-tBegin.Convert()) );
}

void MySelector::Terminate()
{
   // The Terminate() function is the last function to be called
   // during a query. It always runs on the client, it can be used
   // to present the results graphically or save the results to
   // file.

   // finally, store all output
   TFile hfile("MySelector_Result.root","RECREATE","MuonResults");
   fOutput->Write();

   //Example to retrieve output from output list
   h_resistance=
      dynamic_cast<TH1F *>(fOutput->FindObject("resistance"));
   TCanvas c_result("cresult","Resistance",100,100,300,300);
   h_resistance->Draw();
   c_result.SaveAs("ResistanceDistribution.png");

   tNow.Set(); printf("*==* ---------- End of Job ---------- ");
   tNow.Print();
}