本文整理汇总了C++中TBranch::Write方法的典型用法代码示例。如果您正苦于以下问题：C++ TBranch::Write方法的具体用法？C++ TBranch::Write怎么用？C++ TBranch::Write使用的例子？那么, 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TBranch的用法示例。
在下文中一共展示了TBranch::Write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: Write
void Write(bool write=false)
{
TFile *f = new TFile("RootRelations.root", "RECREATE", "Root RootRelations test",0);
TTree *tree = new TTree("T","An example of a ROOT tree");
Relation1D<int,float>* obj = new Relation1D<int,float>();
if (gDebug>0) {
fprintf(stderr,"Relation1D<int,float> is %p\n",obj);
fprintf(stderr,"DataObject is %p\n",(DataObject*)obj);
fprintf(stderr,"Relation<int,float> is %p\n",(Relation<int,float>*)obj);
fprintf(stderr,"m_direct is %p\n",&(obj->m_direct));
fprintf(stderr,"m_direct.m_entries is %p\n",&(obj->m_direct.m_entries));
}
TBranch *b = tree->Branch("B", "Relation1D<int,float>", &obj);
if (write) {
printf("relations' write\n");
for(int i=0; i < 10; ++i) {
obj->m_direct.m_entries.push_back(std::pair<int,float>(10*i,i));
DataTObject *dobj = new ( obj->m_direct.m_tentries[0] ) DataTObject(i*22,i*22/3.0);
DataTObject *dobj2 = new ( (*(obj->m_direct.m_ptentries))[0] ) DataTObject(i*44,i*44/3.0);
if (!dobj || !dobj2) return;
printf("byte written for entry #%d: %d\n",i,tree->Fill());
if (gDebug>0) {
printf("byte re-read for the same entry: %d %p\n", tree->GetEvent(i), obj);
}
if (i<0) {
fprintf(stderr,"the pointer are %p and %p\n",
dobj,obj->m_direct.m_tentries.At(0));
}
printf("values written for entry #%d: %d, %f, %d, %f, %d, %f\n", i,
obj->m_direct.m_entries[0].first,
obj->m_direct.m_entries[0].second,
((DataTObject*)obj->m_direct.m_tentries.At(0))->i,
((DataTObject*)obj->m_direct.m_tentries.At(0))->j,
((DataTObject*)obj->m_direct.m_ptentries->At(0))->i,
((DataTObject*)obj->m_direct.m_ptentries->At(0))->j
);
obj->m_direct.m_entries.clear();
obj->m_direct.m_tentries.Clear();
}
b->Write();
tree->Write();
tree->Print();
f->Write();
}
delete f;
};