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hsimpleProxyDriver.C File Reference

Detailed Description

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This is the driver of the hsimpleProxy example.

It provides the infrastructure to run that code on an ntuple To be run from the tutorials directory

void hsimpleProxyDriver()
{
std::cout << gSystem->WorkingDirectory() << std::endl;
TFile *file = TFile::Open("hsimple.root");
if (!file){
std::cerr << "Input file not found.\n";
return ;
}
TTree *ntuple = nullptr;
file->GetObject("ntuple",ntuple);
std::string s1(__FILE__);
TString dir = gSystem->UnixPathName(s1.substr(0, s1.find_last_of("\\/")).c_str());
ntuple->Draw(dir+"/hsimpleProxy.C+");
}
#define s1(x)
Definition RSha256.hxx:91
R__EXTERN TSystem * gSystem
Definition TSystem.h:561
void GetObject(const char *namecycle, T *&ptr)
Get an object with proper type checking.
Definition TDirectory.h:212
A ROOT file is an on-disk file, usually with extension .root, that stores objects in a file-system-li...
Definition TFile.h:53
static TFile * Open(const char *name, Option_t *option="", const char *ftitle="", Int_t compress=ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault, Int_t netopt=0)
Create / open a file.
Definition TFile.cxx:4086
Basic string class.
Definition TString.h:139
virtual const char * UnixPathName(const char *unixpathname)
Convert from a local pathname to a Unix pathname.
Definition TSystem.cxx:1063
virtual const char * WorkingDirectory()
Return working directory.
Definition TSystem.cxx:871
A TTree represents a columnar dataset.
Definition TTree.h:79
void Draw(Option_t *opt) override
Default Draw method for all objects.
Definition TTree.h:431
Author
Rene Brun

Definition in file hsimpleProxyDriver.C.