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na49geomfile.C File Reference

Detailed Description

Before executing this macro, the file geometry.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");
}
externTBenchmark * gBenchmark
Definition TBenchmark.h:59
#define gROOT
Definition TROOT.h:417
A file, usually with extension .root, that stores data and code in the form of serialized objects in ...
Definition TFile.h:130
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:989
Author
Andrei Gheata

Definition in file na49geomfile.C.