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Reference Guide
geomAlice_itsv.C File Reference
Tutorials » Geometry tutorials

Detailed Description

Script drawing a detector geometry (here ITSV from Alice).

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 geomAlice_itsv() {
TGeoManager::Import("http://root.cern.ch/files/alice2.root");
gGeoManager->DefaultColors();
gGeoManager->GetVolume("ITSV")->Draw("ogl");
new TBrowser;
}
gGeoManager
R__EXTERN TGeoManager * gGeoManager
Definition: TGeoManager.h:600
TBrowser
Using a TBrowser one can browse all ROOT objects.
Definition: TBrowser.h:37
TGeoManager::Import
static TGeoManager * Import(const char *filename, const char *name="", Option_t *option="")
static function Import a geometry from a gdml or ROOT file
Definition: TGeoManager.cxx:3819
TGeoManager::GetVolume
TGeoVolume * GetVolume(const char *name) const
Search for a named volume. All trailing blanks stripped.
Definition: TGeoManager.cxx:2712
TGeoManager::DefaultColors
void DefaultColors()
Set default volume colors according to A of material.
Definition: TGeoManager.cxx:2079
TGeoVolume::Draw
virtual void Draw(Option_t *option="")
draw top volume according to option
Definition: TGeoVolume.cxx:1145
Author
Rene Brun

Definition in file geomAlice_itsv.C.