Example script to loop over all the objects of a ROOT file directory and print in Postscript all the TH1 derived objects.
This script uses the file generated by tutorial hsimple.C
}
}
ROOT::Detail::TRangeCast< T, true > TRangeDynCast
TRangeDynCast is an adapter class that allows the typed iteration through a TCollection.
TClass instances represent classes, structs and namespaces in the ROOT type system.
Bool_t InheritsFrom(const char *cl) const override
Return kTRUE if this class inherits from a class with name "classname".
static TClass * GetClass(const char *name, Bool_t load=kTRUE, Bool_t silent=kFALSE)
Static method returning pointer to TClass of the specified class name.
A ROOT file is an on-disk file, usually with extension .root, that stores objects in a file-system-li...
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.
TH1 is the base class of all histogram classes in ROOT.
Book space in a file, create I/O buffers, to fill them, (un)compress them.
virtual const char * GetClassName() const
virtual TObject * ReadObj()
To read a TObject* from the file.
- Author
- Rene Brun
Definition in file loopdir.C.