doc/v618/text_8C.html

TEveText* text()

{

   gSystem->IgnoreSignal(kSigSegmentationViolation, true);


   TEveManager::Create();


   auto marker = new TEvePointSet(8);

   marker->SetName("Origin marker");

   marker->SetMarkerColor(6);

   marker->SetMarkerStyle(3);

   Float_t a = 10;

   marker->SetPoint(0, a,  +a, +a);

   marker->SetPoint(1, a,  -a, +a);

   marker->SetPoint(2, -a, -a, +a);

   marker->SetPoint(3, -a, +a, +a);

   marker->SetPoint(4, +a, +a, -a);

   marker->SetPoint(5, +a, -a, -a);

   marker->SetPoint(6, -a, +a, -a);

   marker->SetPoint(7, -a, -a, -a);

   gEve->AddElement(marker);


   auto t = new TEveText("DADA");

   t->PtrMainTrans()->RotateLF(1, 3, TMath::PiOver2());

   t->SetMainColor(kOrange-2);

   t->SetFontSize(64);

   t->SetFontMode(TGLFont::kExtrude);

   t->SetLighting(kTRUE);

   gEve->AddElement(t);


   // TEveText does not know its bounding box before first rendering.

   gEve->FullRedraw3D(kTRUE);

   gEve->GetDefaultGLViewer()->ResetCurrentCamera();

   gEve->GetDefaultGLViewer()->RequestDraw(TGLRnrCtx::kLODHigh);


   return t;

}

Float_t
float Float_t
Definition: RtypesCore.h:53

kTRUE
const Bool_t kTRUE
Definition: RtypesCore.h:87

kOrange
@ kOrange
Definition: Rtypes.h:65

gEve
R__EXTERN TEveManager * gEve
Definition: TEveManager.h:243

kSigSegmentationViolation
@ kSigSegmentationViolation
Definition: TSysEvtHandler.h:109

gSystem
R__EXTERN TSystem * gSystem
Definition: TSystem.h:560

TEveManager::AddElement
void AddElement(TEveElement *element, TEveElement *parent=0)
Add an element.
Definition: TEveManager.cxx:530

TEveManager::GetDefaultGLViewer
TGLViewer * GetDefaultGLViewer() const
Get TGLViewer of the default TEveViewer.
Definition: TEveManager.cxx:268

TEveManager::Create
static TEveManager * Create(Bool_t map_window=kTRUE, Option_t *opt="FIV")
If global TEveManager* gEve is not set initialize it.
Definition: TEveManager.cxx:895

TEveManager::FullRedraw3D
void FullRedraw3D(Bool_t resetCameras=kFALSE, Bool_t dropLogicals=kFALSE)
Perform 3D redraw of all scenes and viewers.
Definition: TEveManager.cxx:430

TEvePointSet
TEvePointSet is a render-element holding a collection of 3D points with optional per-point TRef and a...
Definition: TEvePointSet.h:36

TEveText
TEveElement class used for displaying FreeType GL fonts.
Definition: TEveText.h:25

TGLFont::kExtrude
@ kExtrude
Definition: TGLFontManager.h:30

TGLRnrCtx::kLODHigh
@ kLODHigh
Definition: TGLRnrCtx.h:67

TGLViewer::RequestDraw
void RequestDraw(Short_t LOD=TGLRnrCtx::kLODMed)
Post request for redraw of viewer at level of detail 'LOD' Request is directed via cross thread gVirt...
Definition: TGLViewer.cxx:440

TGLViewer::ResetCurrentCamera
void ResetCurrentCamera()
Resets position/rotation of current camera to default values.
Definition: TGLViewer.cxx:360

TSystem::IgnoreSignal
virtual void IgnoreSignal(ESignals sig, Bool_t ignore=kTRUE)
If ignore is true ignore the specified signal, else restore previous behaviour.
Definition: TSystem.cxx:602

text
TText * text
Definition: entrylist_figure1.C:10

TMath::PiOver2
constexpr Double_t PiOver2()
Definition: TMath.h:52

a
auto * a
Definition: textangle.C:12