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Reference Guide
na49geomfile.C File Reference

Detailed Description

Before executing this macro, the file makegeometry.C must have been executed.

void na49geomfile() {
gBenchmark->Start("geometry");
TGeometry *n49 =(TGeometry*)gROOT->FindObject("na49");
if (n49) {
TFile na("na49.root","RECREATE");
n49->Write();
na.Write();
}
gBenchmark->Show("geometry");
}
R__EXTERN TBenchmark * gBenchmark
Definition: TBenchmark.h:59
#define gROOT
Definition: TROOT.h:404
virtual void Start(const char *name)
Starts Benchmark with the specified name.
Definition: TBenchmark.cxx:172
virtual void Show(const char *name)
Stops Benchmark name and Prints results.
Definition: TBenchmark.cxx:155
A ROOT file is a suite of consecutive data records (TKey instances) with a well defined format.
Definition: TFile.h:54
TGeometry description.
Definition: TGeometry.h:39
virtual Int_t Write(const char *name=0, Int_t option=0, Int_t bufsize=0)
Write this object to the current directory.
Definition: TObject.cxx:798
Author
Andrei Gheata

Definition in file na49geomfile.C.