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Reference Guide
geomAtlas.C File Reference

Detailed Description

Script drawing a detector geometry (here ATLAS).

by default the geometry is drawn using the GL viewer Using the TBrowser, you can select other components if the file containing the geometry is not found in the local directory, it is automatically read from the ROOT web site.

void geomAtlas() {
TGeoManager::Import("http://root.cern.ch/files/atlas.root");
//gGeoManager->DefaultColors();
//gGeoManager->SetVisLevel(4);
gGeoManager->GetVolume("ATLS")->Draw("ogl");
new TBrowser;
}
R__EXTERN TGeoManager * gGeoManager
Definition: TGeoManager.h:601
Using a TBrowser one can browse all ROOT objects.
Definition: TBrowser.h:37
static TGeoManager * Import(const char *filename, const char *name="", Option_t *option="")
static function Import a geometry from a gdml or ROOT file
TGeoVolume * GetVolume(const char *name) const
Search for a named volume. All trailing blanks stripped.
void SetMaxVisNodes(Int_t maxnodes=10000)
set the maximum number of visible nodes.
virtual void Draw(Option_t *option="")
draw top volume according to option
Author
Rene Brun

Definition in file geomAtlas.C.