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geom_cms_stereo.C
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1/// \file
2/// \ingroup tutorial_eve
3/// Shows CMS geometry in stereo mode.
4/// This requires quad-buffer support in the OpenGL hardware / driver,
5/// otherwise a fatal error occurs.
6///
7/// \image html eve_geom_cms_stereo.png
8/// \macro_code
9///
10/// \author Matevz Tadel
11
12void geom_cms_stereo(Bool_t quad_buf=kTRUE)
13{
15
17 gGeoManager = gEve->GetGeometry("http://root.cern.ch/files/cms.root");
19
20 auto top = gGeoManager->GetTopVolume()->FindNode("CMSE_1")->GetVolume();
21
22 auto trk = new TEveGeoTopNode(gGeoManager, top->FindNode("TRAK_1"));
23 trk->SetVisLevel(6);
25
26 auto calo = new TEveGeoTopNode(gGeoManager, top->FindNode("CALO_1"));
27 calo->SetVisLevel(3);
29
30 auto muon = new TEveGeoTopNode(gGeoManager, top->FindNode("MUON_1"));
31 muon->SetVisLevel(4);
33
34 // --- Stereo ---
35
36 TEveWindowSlot* slot = 0;
38
39 auto sv = new TEveViewer("Stereo GL", "Stereoscopic view");
40 sv->SpawnGLViewer(gEve->GetEditor(), kTRUE, quad_buf);
41 sv->AddScene(gEve->GetGlobalScene());
42
43 slot->ReplaceWindow(sv);
44
46
48
49 // --- Redraw ---
50
52 gEve->EditElement(sv);
53
54 // --- Fix editor ---
55
56 // EClipType not exported to CINT (see TGLUtil.h):
57 // 0 - no clip, 1 - clip plane, 2 - clip box
58 auto v = gEve->GetDefaultGLViewer();
59 v->GetClipSet()->SetClipType(TGLClip::EType(1));
60 v->ColorSet().Background().SetColor(kMagenta+4);
61 v->SetGuideState(TGLUtil::kAxesEdge, kTRUE, kFALSE, 0);
62 v->RefreshPadEditor(v);
63
64 v->CurrentCamera().RotateRad(-1.2, 0.5);
65 v->DoDraw();
66}
const Bool_t kFALSE
Definition: RtypesCore.h:90
bool Bool_t
Definition: RtypesCore.h:61
const Bool_t kTRUE
Definition: RtypesCore.h:89
@ kMagenta
Definition: Rtypes.h:64
R__EXTERN TEveManager * gEve
Definition: TEveManager.h:243
R__EXTERN TGeoManager * gGeoManager
Definition: TGeoManager.h:600
A wrapper over a TGeoNode, possibly displaced with a global trasformation stored in TEveElement.
Definition: TEveGeoNode.h:93
TEveViewerList * GetViewers() const
Definition: TEveManager.h:145
void AddGlobalElement(TEveElement *element, TEveElement *parent=0)
Add a global element, i.e.
TGLViewer * GetDefaultGLViewer() const
Get TGLViewer of the default TEveViewer.
TEveScene * GetGlobalScene() const
Definition: TEveManager.h:147
TEveBrowser * GetBrowser() const
Definition: TEveManager.h:137
void EditElement(TEveElement *element)
Show element in default editor.
TEveGedEditor * GetEditor() const
Returns main object editor.
static TEveManager * Create(Bool_t map_window=kTRUE, Option_t *opt="FIV")
If global TEveManager* gEve is not set initialize it.
void FullRedraw3D(Bool_t resetCameras=kFALSE, Bool_t dropLogicals=kFALSE)
Perform 3D redraw of all scenes and viewers.
TGeoManager * GetGeometry(const TString &filename)
Get geometry with given filename.
virtual void AddElement(TEveElement *el)
Call base-class implementation.
Definition: TEveViewer.cxx:359
Eve representation of TGLViewer.
Definition: TEveViewer.h:31
Description of TEveWindowSlot.
Definition: TEveWindow.h:302
void ReplaceWindow(TEveWindow *w)
Replace this window with the passed one.
Definition: TEveWindow.cxx:820
static TEveWindowSlot * CreateWindowInTab(TGTab *tab, TEveWindow *eve_parent=0)
Create a new tab in a given tab-widget and populate it with a default window-slot.
static Bool_t SetCacheFileDir(ROOT::Internal::TStringView cacheDir, Bool_t operateDisconnected=kTRUE, Bool_t forceCacheread=kFALSE)
Definition: TFile.h:323
@ kAxesEdge
Definition: TGLUtil.h:948
virtual Bool_t SetTab(Int_t tabIndex, Bool_t emit=kTRUE)
Brings the composite frame with the index tabIndex to the front and generate the following event if t...
Definition: TGTab.cxx:508
void DefaultColors()
Set default volume colors according to A of material.
TGeoNode * FindNode(Bool_t safe_start=kTRUE)
Returns deepest node containing current point.
TGeoVolume * GetTopVolume() const
Definition: TGeoManager.h:530
TGeoVolume * GetVolume() const
Definition: TGeoNode.h:97
TGeoNode * FindNode(const char *name) const
search a daughter inside the list of nodes
TGTab * GetTabRight() const
Definition: TRootBrowser.h:141