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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:414
A file, usually with extension .root, that stores data and code in the form of serialized objects in ...
Definition TFile.h:53
TGeometry description.
Definition TGeometry.h:39
virtual Int_t Write(const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
Write this object to the current directory.
Definition TObject.cxx:880
Author
Andrei Gheata

Definition in file na49geomfile.C.