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geom_alice_tpc.C
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1/// \file
2/// \ingroup tutorial_eve
3/// Shows geometry of ALICE TPC.
4///
5/// \image html eve_geom_alice_tpc.png
6/// \macro_code
7///
8/// \author Matevz Tadel
9
10void geom_alice_tpc()
11{
13
14 gGeoManager = gEve->GetGeometry("http://root.cern/files/alice.root");
15
16 auto node = gGeoManager->GetTopVolume()->FindNode("TPC_M_1");
17 auto tpc = new TEveGeoTopNode(gGeoManager, node);
18 gEve->AddGlobalElement(tpc);
19
20 gEve->Redraw3D(kTRUE);
21}
constexpr Bool_t kTRUE
Definition RtypesCore.h:107
externTEveManager * gEve
externTGeoManager * gGeoManager
A wrapper over a TGeoNode, possibly displaced with a global trasformation stored in TEveElement.
Definition TEveGeoNode.h:90
static TEveManager * Create(Bool_t map_window=kTRUE, Option_t *opt="FIV")
If global TEveManager* gEve is not set initialize it.