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geom_default.C
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1/// \file
2/// \ingroup tutorial_eve
3/// Demonstrates usage of "Default" geometry alias.
4///
5/// \image html eve_geom_default.png
6/// \macro_code
7///
8/// \author Matevz Tadel
9
10void geom_default()
11{
13
14 gEve->RegisterGeometryAlias("Default", "http://root.cern/files/alice.root");
15
16 gGeoManager = gEve->GetDefaultGeometry();
17
18 TGeoNode* node1 = gGeoManager->GetTopVolume()->FindNode("ITSV_1");
19 TEveGeoTopNode* its = new TEveGeoTopNode(gGeoManager, node1);
20 gEve->AddGlobalElement(its);
21
22 TGeoNode* node2 = gGeoManager->GetTopVolume()->FindNode("TPC_M_1");
23 TEveGeoTopNode* tpc = new TEveGeoTopNode(gGeoManager, node2);
24 gEve->AddGlobalElement(tpc);
25
26 gEve->Redraw3D(kTRUE);
27}
constexpr Bool_t kTRUE
Definition RtypesCore.h:100
R__EXTERN TEveManager * gEve
R__EXTERN TGeoManager * 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.
A node represent a volume positioned inside another.They store links to both volumes and to the TGeoM...
Definition TGeoNode.h:39