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Reference Guide
shapesAnim.C
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1/// \file
2/// \ingroup tutorial_geom
3/// Macro illustrating how to animate a geometry picture using a Timer
4///
5/// \macro_code
6///
7/// \author Rene Brun
8
10Float_t theta = 0;
11Float_t phi = 30;
12void shapesAnim() {
13 TCanvas *c1 = new TCanvas("c1","Geometry Shapes",10,10,500,500);
14
15 // Define some volumes
16 TBRIK *brik = new TBRIK("BRIK","BRIK","void",200,150,150);
17 TTRD1 *trd1 = new TTRD1("TRD1","TRD1","void",200,50,100,100);
18 TTRD2 *trd2 = new TTRD2("TRD2","TRD2","void",200,50,200,50,100);
19 TTRAP *trap = new TTRAP("TRAP","TRAP","void",190,0,0,60,40,90,15,120,80,180,15);
20 TPARA *para = new TPARA("PARA","PARA","void",100,200,200,15,30,30);
21 TGTRA *gtra = new TGTRA("GTRA","GTRA","void",390,0,0,20,60,40,90,15,120,80,180,15);
22 TTUBE *tube = new TTUBE("TUBE","TUBE","void",150,200,400);
23 TTUBS *tubs = new TTUBS("TUBS","TUBS","void",80,100,100,90,235);
24 TCONE *cone = new TCONE("CONE","CONE","void",100,50,70,120,150);
25 TCONS *cons = new TCONS("CONS","CONS","void",50,100,100,200,300,90,270);
26 TSPHE *sphe = new TSPHE("SPHE","SPHE","void",25,340, 45,135, 0,270);
27 TSPHE *sphe1 = new TSPHE("SPHE1","SPHE1","void",0,140, 0,180, 0,360);
28 TSPHE *sphe2 = new TSPHE("SPHE2","SPHE2","void",0,200, 10,120, 45,145);
29
30 TPCON *pcon = new TPCON("PCON","PCON","void",180,270,4);
31 pcon->DefineSection(0,-200,50,100);
32 pcon->DefineSection(1,-50,50,80);
33 pcon->DefineSection(2,50,50,80);
34 pcon->DefineSection(3,200,50,100);
35
36 TPGON *pgon = new TPGON("PGON","PGON","void",180,270,8,4);
37 pgon->DefineSection(0,-200,50,100);
38 pgon->DefineSection(1,-50,50,80);
39 pgon->DefineSection(2,50,50,80);
40 pgon->DefineSection(3,200,50,100);
41
42 // Set shapes attributes
43 brik->SetLineColor(1);
44 trd1->SetLineColor(2);
45 trd2->SetLineColor(3);
46 trap->SetLineColor(4);
47 para->SetLineColor(5);
48 gtra->SetLineColor(7);
49 tube->SetLineColor(6);
50 tubs->SetLineColor(7);
51 cone->SetLineColor(2);
52 cons->SetLineColor(3);
53 pcon->SetLineColor(6);
54 pgon->SetLineColor(2);
55 sphe->SetLineColor(kRed);
56 sphe1->SetLineColor(kBlack);
57 sphe2->SetLineColor(kBlue);
58
59
60 // Build the geometry hierarchy
61 TNode *node1 = new TNode("NODE1","NODE1","BRIK");
62 node1->cd();
63
64 TNode *node2 = new TNode("NODE2","NODE2","TRD1",0,0,-1000);
65 TNode *node3 = new TNode("NODE3","NODE3","TRD2",0,0,1000);
66 TNode *node4 = new TNode("NODE4","NODE4","TRAP",0,-1000,0);
67 TNode *node5 = new TNode("NODE5","NODE5","PARA",0,1000,0);
68 TNode *node6 = new TNode("NODE6","NODE6","TUBE",-1000,0,0);
69 TNode *node7 = new TNode("NODE7","NODE7","TUBS",1000,0,0);
70 TNode *node8 = new TNode("NODE8","NODE8","CONE",-300,-300,0);
71 TNode *node9 = new TNode("NODE9","NODE9","CONS",300,300,0);
72 TNode *node10 = new TNode("NODE10","NODE10","PCON",0,-1000,-1000);
73 TNode *node11 = new TNode("NODE11","NODE11","PGON",0,1000,1000);
74 TNode *node12 = new TNode("NODE12","NODE12","GTRA",0,-400,700);
75 TNode *node13 = new TNode("NODE13","NODE13","SPHE",10,-400,500);
76 TNode *node14 = new TNode("NODE14","NODE14","SPHE1",10, 250,300);
77 TNode *node15 = new TNode("NODE15","NODE15","SPHE2",10,-100,-200);
78
79
80 // Draw this geometry in the current canvas
81 node1->cd();
82 node1->Draw();
83 c1->Update();
84
85 //start a Timer
86 TTimer *timer = new TTimer(20);
87 timer->SetCommand("Animate()");
88 timer->TurnOn();
89}
90void Animate()
91{
92 theta += 2;
93 phi += 2;
94 gPad->GetView()->RotateView(theta,phi);
95 gPad->Modified();
96 gPad->Update();
97}
double Double_t
Definition: RtypesCore.h:59
float Float_t
Definition: RtypesCore.h:57
@ kRed
Definition: Rtypes.h:66
@ kBlack
Definition: Rtypes.h:65
@ kBlue
Definition: Rtypes.h:66
#define gPad
Definition: TVirtualPad.h:288
virtual void SetLineColor(Color_t lcolor)
Set the line color.
Definition: TAttLine.h:40
A box with faces perpendicular to the axes.
Definition: TBRIK.h:26
A conical tube.
Definition: TCONE.h:28
A segment of a conical tube.
Definition: TCONS.h:27
The Canvas class.
Definition: TCanvas.h:23
A general twisted trapezoid.
Definition: TGTRA.h:27
TNode description.
Definition: TNode.h:33
virtual void Draw(Option_t *option="")
Draw Referenced node with current parameters.
Definition: TNode.cxx:324
virtual void cd(const char *path=0)
Change Current Reference node to this.
Definition: TNode.cxx:251
A parallelepiped.
Definition: TPARA.h:30
A polycone.
Definition: TPCON.h:33
virtual void DefineSection(Int_t secNum, Float_t z, Float_t rmin, Float_t rmax)
Defines section secNum of the polycone.
Definition: TPCON.cxx:174
A polygon.
Definition: TPGON.h:30
A Sphere.
Definition: TSPHE.h:28
A general trapezoid.
Definition: TTRAP.h:33
A trapezoid with the x dimension varying along z.
Definition: TTRD1.h:28
A trapezoid with both x and y dimensions varying along z.
Definition: TTRD2.h:29
A tube.
Definition: TTUBE.h:32
A segment of a tube.
Definition: TTUBS.h:29
Handles synchronous and a-synchronous timer events.
Definition: TTimer.h:51
virtual void TurnOn()
Add the timer to the system timer list.
Definition: TTimer.cxx:241
void SetCommand(const char *command)
Set the interpreter command to be executed at time out.
Definition: TTimer.cxx:174
return c1
Definition: legend1.C:41
static constexpr double pi