本文整理汇总了C++中TNtuple::SaveAs方法的典型用法代码示例。如果您正苦于以下问题：C++ TNtuple::SaveAs方法的具体用法？C++ TNtuple::SaveAs怎么用？C++ TNtuple::SaveAs使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TNtuple的用法示例。
在下文中一共展示了TNtuple::SaveAs方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: CutTree
void CutTree(){
int NMin=300000;
/* char outputfilename[200];
sprintf(outputfilename,"Results/ProblemBin.txt");
printf("output filename is: %s\n", outputfilename);
FILE *outputFile = fopen(outputfilename,"w");
*/
TFile* fInData = new TFile(fileNameData);
TTree *treeData = (TTree*)fInData->Get("data");
treeData->Print();
TTree *fChain;
fChain=treeData;
Long64_t nentries = fChain->GetEntries();
cout<<nentries<<endl;
Long64_t nb = 0;
Double_t JpsiMass;
Double_t JpsiPt;
Double_t JpsiRap;
Double_t Jpsict;
Int_t JpsiType_idx;
Int_t MCType_idx;
Double_t costh_CS;
Double_t phi_CS;
Double_t costh_HX;
Double_t phi_HX;
TBranch *b_JpsiMass; //!
TBranch *b_JpsiPt; //!
TBranch *b_JpsiRap; //!
TBranch *b_Jpsict; //!
TBranch *b_JpsiType_idx; //!
TBranch *b_MCType_idx; //!
TBranch *b_costh_CS; //!
TBranch *b_phi_CS; //!
TBranch *b_costh_HX; //!
TBranch *b_phi_HX; //!
fChain->SetBranchAddress("JpsiMass", &JpsiMass, &b_JpsiMass);
fChain->SetBranchAddress("JpsiPt", &JpsiPt, &b_JpsiPt);
fChain->SetBranchAddress("JpsiRap", &JpsiRap, &b_JpsiRap);
fChain->SetBranchAddress("Jpsict", &Jpsict, &b_Jpsict);
fChain->SetBranchAddress("JpsiType_idx", &JpsiType_idx, &b_JpsiType_idx);
fChain->SetBranchAddress("MCType_idx", &MCType_idx, &b_MCType_idx);
fChain->SetBranchAddress("costh_CS", &costh_CS, &b_costh_CS);
fChain->SetBranchAddress("phi_CS", &phi_CS, &b_phi_CS);
fChain->SetBranchAddress("costh_HX", &costh_HX, &b_costh_HX);
fChain->SetBranchAddress("phi_HX", &phi_HX, &b_phi_HX);
// Long64_t jentry=NMin;
TNtuple* pseudodata = new TNtuple("data","data","JpsiMass:JpsiPt:JpsiRap:Jpsict:costh_CS:phi_CS:costh_HX:phi_HX:JpsiType_idx:MCType_idx");
TNtuple* data = new TNtuple("data","data","JpsiMass:JpsiPt:JpsiRap:Jpsict:costh_CS:phi_CS:costh_HX:phi_HX:JpsiType_idx:MCType_idx");
for (Long64_t jentry=0; jentry<NMin;jentry++) {
if(jentry % 1000 == 0) printf("event %d\n", (Int_t) jentry);
nb = fChain->GetEntry(jentry); //nbytes += nb;
pseudodata->Fill(JpsiMass,JpsiPt,JpsiRap,Jpsict,costh_CS,phi_CS,costh_HX,phi_HX,JpsiType_idx,MCType_idx);
}
for (Long64_t jentry=0; jentry<nentries;jentry++) {
if(jentry % 1000 == 0) printf("event %d\n", (Int_t) jentry);
nb = fChain->GetEntry(jentry); //nbytes += nb;
// fprintf(outputFile, "%f\n",Jpsict);
data->Fill(JpsiMass,JpsiPt,JpsiRap,Jpsict,costh_CS,phi_CS,costh_HX,phi_HX,JpsiType_idx,MCType_idx);
}
pseudodata->Print();
pseudodata->SaveAs("/scratch/knuenz/Polarization/RootInput/TNtuple_red_PR_pseudo.root");
data->Print();
data->SaveAs("/scratch/knuenz/Polarization/RootInput/TNtuple_red_PR.root");
// RooDataSetData.Print();
// fclose(outputFile);
// treeData.Print();
return;
//.........这里部分代码省略.........