doc/master/arrow_8C.html

void arrow()

{

   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 a1 = new TEveArrow(1., 1., 10., 10., 4., 0.);

   a1->SetMainColor(kBlue);

   a1->SetTubeR(0.02);

   a1->SetPickable(kTRUE);

   gEve->AddElement(a1);

   auto t1 = new TEveText("blue");

   t1->SetFontSize(20);

   TEveVector tv = a1->GetVector()*0.5f+a1->GetOrigin();

   t1->RefMainTrans().SetPos(tv.Arr());

   a1->AddElement(t1);


   auto a2 = new TEveArrow(20., 1., 10., 3., 0., 4.);

   a2->SetMainColor(kGreen);

   a2->SetPickable(kTRUE);

   gEve->AddElement(a2);


   auto a3 = new TEveArrow(1., 10., 10., 0., 20., 0.);

   a3->SetMainColor(kOrange);

   a3->SetPickable(kTRUE);

   gEve->AddElement(a3);


   gEve->FullRedraw3D(kTRUE);

}

a
#define a(i)
Definition RSha256.hxx:99

Float_t
float Float_t
Definition RtypesCore.h:57

kTRUE
constexpr Bool_t kTRUE
Definition RtypesCore.h:93

kOrange
@ kOrange
Definition Rtypes.h:67

kGreen
@ kGreen
Definition Rtypes.h:66

kBlue
@ kBlue
Definition Rtypes.h:66

gEve
R__EXTERN TEveManager * gEve
Definition TEveManager.h:243

kSigSegmentationViolation
@ kSigSegmentationViolation
Definition TSysEvtHandler.h:109

gSystem
R__EXTERN TSystem * gSystem
Definition TSystem.h:561

TEveArrow
Class used for display of a thick arrow.
Definition TEveArrow.h:25

TEveManager::AddElement
void AddElement(TEveElement *element, TEveElement *parent=nullptr)
Add an element.
Definition TEveManager.cxx:527

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:887

TEveManager::FullRedraw3D
void FullRedraw3D(Bool_t resetCameras=kFALSE, Bool_t dropLogicals=kFALSE)
Perform 3D redraw of all scenes and viewers.
Definition TEveManager.cxx:427

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

TEveVectorT< Float_t >

TEveVectorT::Arr
const TT * Arr() const
Definition TEveVector.h:58

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:593

arrow
Definition RArrowDS.hxx:17

t1
auto * t1
Definition textangle.C:20