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box.C
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1/// \file
2/// \ingroup tutorial_eve
3/// Demonstrates usage of TEveBox class.
4///
5/// \image html eve_box.png
6/// \macro_code
7///
8/// \author Matevz Tadel
9
11{
13
14 TRandom& r = * gRandom;
15
16 auto b = new TEveBox;
18 b->SetMainTransparency(0);
19
20#define RND_BOX(x) r.Uniform(-(x), (x))
21 b->SetVertex(0, x - a + RND_BOX(d), y - a + RND_BOX(d), z - a + RND_BOX(d));
22 b->SetVertex(1, x - a + RND_BOX(d), y + a + RND_BOX(d), z - a + RND_BOX(d));
23 b->SetVertex(2, x + a + RND_BOX(d), y + a + RND_BOX(d), z - a + RND_BOX(d));
24 b->SetVertex(3, x + a + RND_BOX(d), y - a + RND_BOX(d), z - a + RND_BOX(d));
25 b->SetVertex(4, x - a + RND_BOX(d), y - a + RND_BOX(d), z + a + RND_BOX(d));
26 b->SetVertex(5, x - a + RND_BOX(d), y + a + RND_BOX(d), z + a + RND_BOX(d));
27 b->SetVertex(6, x + a + RND_BOX(d), y + a + RND_BOX(d), z + a + RND_BOX(d));
28 b->SetVertex(7, x + a + RND_BOX(d), y - a + RND_BOX(d), z + a + RND_BOX(d));
29#undef RND_BOX
30
33
34 return b;
35}
ROOT::R::TRInterface & r
Definition Object.C:4
#define d(i)
Definition RSha256.hxx:102
#define b(i)
Definition RSha256.hxx:100
#define a(i)
Definition RSha256.hxx:99
float Float_t
Definition RtypesCore.h:57
const Bool_t kTRUE
Definition RtypesCore.h:91
@ kCyan
Definition Rtypes.h:66
R__EXTERN TEveManager * gEve
R__EXTERN TRandom * gRandom
Definition TRandom.h:62
3D box with arbitrary vertices (cuboid).
Definition TEveBox.h:22
void AddElement(TEveElement *element, TEveElement *parent=0)
Add an element.
static TEveManager * Create(Bool_t map_window=kTRUE, Option_t *opt="FIV")
If global TEveManager* gEve is not set initialize it.
void Redraw3D(Bool_t resetCameras=kFALSE, Bool_t dropLogicals=kFALSE)
virtual void SetMainColor(Color_t color)
Set main color.
Definition TEveShape.cxx:58
This is the base class for the ROOT Random number generators.
Definition TRandom.h:27
#define RND_BOX(x)
void box(Int_t pat, Double_t x1, Double_t y1, Double_t x2, Double_t y2)
Definition fillpatterns.C:1
Double_t y[n]
Definition legend1.C:17
Double_t x[n]
Definition legend1.C:17