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lego.C File Reference
Tutorials » Geometry tutorials

Detailed Description

Drawing a figure, made of lego block, using ROOT geometry class.

Reviewed by Sunman Kim (sunma.nosp@m.n98@.nosp@m.hanma.nosp@m.il.n.nosp@m.et) Supervisor: Prof. Inkyu Park (icpar.nosp@m.k@ph.nosp@m.ysics.nosp@m..uos.nosp@m..ac.k.nosp@m.r)

How to run: .x lego.C in ROOT terminal, then use OpenGL

This macro was created for the evaluation of Computational Physics course in 2006. We thank to Prof. Inkyu Park for his special lecture on ROOT and to all of ROOT team

#include "TSystem.h"
#include "TGeoManager.h"
void lego()
{
TGeoManager *geom = new TGeoManager("geom","My first 3D geometry");
TGeoMaterial *vacuum=new TGeoMaterial("vacuum",0,0,0);
TGeoMaterial *Fe=new TGeoMaterial("Fe",55.845,26,7.87);
TGeoMedium *Air=new TGeoMedium("Vacuum",0,vacuum);
TGeoMedium *Iron=new TGeoMedium("Iron",1,Fe);
// create volume
TGeoVolume *top=geom->MakeBox("top",Air,100,100,100);
geom->SetTopVolume(top);
geom->SetTopVisible(0);
// If you want to see the boundary, please input the number, 1 instead of 0.
// Like this, geom->SetTopVisible(1);
//----------------------------------------------------------------------
TGeoVolume *ha1=geom->MakeSphere("ha1",Iron,0,10,80,90,0,360);
ha1->SetLineColor(41);
top->AddNodeOverlap(ha1,1,new TGeoCombiTrans(0,0,4,new TGeoRotation("ha1",0,0,0)));
TGeoVolume *ha2=geom->MakeSphere("ha2",Iron,0,7,90,180,0,360);
ha2->SetLineColor(41);
top->AddNodeOverlap(ha2,1,new TGeoCombiTrans(0,0,4,new TGeoRotation("ha2",0,180,0)));
TGeoVolume *ha3=geom->MakeSphere("ha3",Iron,0,7.3,80,90,0,360);
ha3->SetLineColor(2);
top->AddNodeOverlap(ha3,1,new TGeoCombiTrans(0,0,4.8,new TGeoRotation("ha3",0,0,0)));
TGeoVolume *h1=geom->MakeTubs("h1",Iron,0,6,4.5,0,0);
h1->SetLineColor(5);
top->AddNodeOverlap(h1,1,new TGeoCombiTrans(0,0,0,new TGeoRotation("h1",0,0,0)));
TGeoVolume *h2=geom->MakeSphere("h2",Iron,0,7.5,0,52.5,0,360);
h2->SetLineColor(5);
top->AddNodeOverlap(h2,1,new TGeoCombiTrans(0,0,0,new TGeoRotation("h2",0,0,0)));
TGeoVolume *h3=geom->MakeSphere("h3",Iron,0,7.5,0,52.5,0,360);
h3->SetLineColor(5);
top->AddNodeOverlap(h3,1,new TGeoCombiTrans(0,0,0,new TGeoRotation("h3",180,180,0)));
TGeoVolume *h4=geom->MakeTubs("h4",Iron,2.5,3.5,1.5,0,0);
h4->SetLineColor(5);
top->AddNodeOverlap(h4,1,new TGeoCombiTrans(0,0,7.5,new TGeoRotation("h4",0,0,0)));
TGeoVolume *t1_1=geom->MakeTubs("t1_1",Iron,0,0.8,1,0,360);
t1_1->SetLineColor(12);
top->AddNodeOverlap(t1_1,1,new TGeoCombiTrans(-5,2,1.5,new TGeoRotation("t1_1",-90,90,0)));
TGeoVolume *t2_1=geom->MakeTubs("t2_1",Iron,0,0.8,1,0,360);
t2_1->SetLineColor(12);
top->AddNodeOverlap(t2_1,1,new TGeoCombiTrans(-5,-2,1.5,new TGeoRotation("t2_1",-90,90,0)));
TGeoVolume *fb1=geom->MakeTubs("fb1",Iron,2,2.3,1,100,260);
fb1->SetLineColor(12);
top->AddNodeOverlap(fb1,1,new TGeoCombiTrans(-5,0,-1,new TGeoRotation("fb1",90,90,90)));
TGeoVolume *m1=geom->MakeBox("m1",Iron,7,8,4);
m1->SetLineColor(2);
top->AddNodeOverlap(m1,1,new TGeoCombiTrans(0,0,-17,new TGeoRotation("m1",90,90,0)));
TGeoVolume *m2=geom->MakeTubs("m2",Iron,0,1,7,90,180);
m2->SetLineColor(2);
top->AddNodeOverlap(m2,1,new TGeoCombiTrans(-3,0,-9,new TGeoRotation("m2",0,90,0)));
TGeoVolume *m3=geom->MakeTubs("m3",Iron,0,1,7,0,90);
m3->SetLineColor(2);
top->AddNodeOverlap(m3,1,new TGeoCombiTrans(3,0,-9,new TGeoRotation("m3",0,90,0)));
TGeoVolume *m4=geom->MakeBox("m4",Iron,3,7,0.5);
m4->SetLineColor(2);
top->AddNodeOverlap(m4,1,new TGeoCombiTrans(0,0,-8.5,new TGeoRotation("m4",90,0,90)));
TGeoVolume *m5=geom->MakeTubs("m5",Iron,0,1.5,1.2,0,0);
m5->SetLineColor(5);
top->AddNodeOverlap(m5,1,new TGeoCombiTrans(0,0,-7.8,new TGeoRotation("m5",0,0,0)));
TGeoVolume *m6=geom->MakeTrd2("m6",Iron,4,4,0,2,8);
m6->SetLineColor(2);
top->AddNodeOverlap(m6,1,new TGeoCombiTrans(0,-7,-17,new TGeoRotation("m6",0,180,0)));
TGeoVolume *m7=geom->MakeTrd2("m7",Iron,4,4,0,2,8);
m7->SetLineColor(2);
top->AddNodeOverlap(m7,1,new TGeoCombiTrans(0,7,-17,new TGeoRotation("m7",0,180,0)));
TGeoVolume *md1=geom->MakeBox("md1",Iron,4,8.5,0.7);
md1->SetLineColor(37);
top->AddNodeOverlap(md1,1,new TGeoCombiTrans(0,0,-25.5,new TGeoRotation("md1",0,0,0)));
TGeoVolume *md2=geom->MakeBox("md2",Iron,3,0.4,2);
md2->SetLineColor(37);
top->AddNodeOverlap(md2,1,new TGeoCombiTrans(0,0,-28,new TGeoRotation("md2",0,0,0)));
TGeoVolume *d1=geom->MakeTrd2("d1",Iron,3,4,4,4,7);
d1->SetLineColor(37);
top->AddNodeOverlap(d1,1,new TGeoCombiTrans(-4.8,4.5,-35,new TGeoRotation("d1",90,45,-90)));
TGeoVolume *d2=geom->MakeTrd2("d2",Iron,3,4,4,4,7);
d2->SetLineColor(37);
top->AddNodeOverlap(d2,1,new TGeoCombiTrans(0,-4.5,-37,new TGeoRotation("d2",0,0,0)));
TGeoVolume *d3=geom->MakeTubs("d3",Iron,0,4,3.98,0,180);
d3->SetLineColor(37);
top->AddNodeOverlap(d3,1,new TGeoCombiTrans(0,4.5,-30.2,new TGeoRotation("d3",0,90,-45)));
TGeoVolume *d4=geom->MakeTubs("d4",Iron,0,4,3.98,0,180);
d4->SetLineColor(37);
top->AddNodeOverlap(d4,1,new TGeoCombiTrans(0,-4.5,-30,new TGeoRotation("d4",0,90,0)));
TGeoVolume *d5=geom->MakeBox("d5",Iron,4,4,1);
d5->SetLineColor(37);
top->AddNodeOverlap(d5,1,new TGeoCombiTrans(-10.2,4.5,-39,new TGeoRotation("d5",90,45,-90)));
TGeoVolume *d6=geom->MakeBox("d6",Iron,4,4,1);
d6->SetLineColor(37);
top->AddNodeOverlap(d6,1,new TGeoCombiTrans(-1,-4.5,-43.4,new TGeoRotation("d6",0,0,0)));
TGeoVolume *a1=geom->MakeTubs("a1",Iron,0,1.5,4,0,0);
a1->SetLineColor(1);
top->AddNodeOverlap(a1,1,new TGeoCombiTrans(0,10,-15.1,new TGeoRotation("a1",0,20,45)));
TGeoVolume *a2=geom->MakeSphere("a2",Iron,0,1.48,0,180,0,200);
a2->SetLineColor(1);
top->AddNodeOverlap(a2,1,new TGeoCombiTrans(0,8.6,-11.5,new TGeoRotation("a2",120,80,20)));
TGeoVolume *a3=geom->MakeTubs("a3",Iron,0,1.5,2.2,0,0);
a3->SetLineColor(1);
top->AddNodeOverlap(a3,1,new TGeoCombiTrans(0,11.3,-20.6,new TGeoRotation("a3",300,0,40)));
TGeoVolume *a4=geom->MakeTubs("a4",Iron,0,1,1,0,0);
a4->SetLineColor(5);
top->AddNodeOverlap(a4,1,new TGeoCombiTrans(0,11.3,-23.8,new TGeoRotation("a4",75,0,30)));
TGeoVolume *a5=geom->MakeTubs("a5",Iron,1.5,2.5,2,0,270);
a5->SetLineColor(5);
top->AddNodeOverlap(a5,1,new TGeoCombiTrans(0,11.3,-26.5,new TGeoRotation("a5",-90,90,00)));
TGeoVolume *a1_1=geom->MakeTubs("a1_1",Iron,0,1.5,4,0,0);
a1_1->SetLineColor(1);
top->AddNodeOverlap(a1_1,1,new TGeoCombiTrans(0,-10,-15.1,new TGeoRotation("a1_1",0,-20,-45)));
TGeoVolume *a2_1=geom->MakeSphere("a2_1",Iron,0,1.48,0,180,0,200);
a2_1->SetLineColor(1);
top->AddNodeOverlap(a2_1,1,new TGeoCombiTrans(0,-8.6,-11.5,new TGeoRotation("a2_1",120,80,-20)));
TGeoVolume *a3_1=geom->MakeTubs("a3_1",Iron,0,1.5,2.2,0,0);
a3_1->SetLineColor(1);
top->AddNodeOverlap(a3_1,1,new TGeoCombiTrans(0,-11.3,-20.6,new TGeoRotation("a3_1",-300,0,-40)));
TGeoVolume *a4_1=geom->MakeTubs("a4_1",Iron,0,1,1,0,0);
a4_1->SetLineColor(5);
top->AddNodeOverlap(a4_1,1,new TGeoCombiTrans(0,-11.3,-23.8,new TGeoRotation("a4_1",-75,0,-30)));
a5=geom->MakeTubs("a5_1",Iron,1.5,2.5,2,0,270);
a5->SetLineColor(5);
top->AddNodeOverlap(a5,1,new TGeoCombiTrans(0,-11.3,-26.5,new TGeoRotation("a5",90,90,00)));
//**********************************NO,2******************
TGeoVolume *ha_1=geom->MakeSphere("ha_1",Iron,0,10,80,90,0,360);
ha_1->SetLineColor(6);
top->AddNodeOverlap(ha_1,1,new TGeoCombiTrans(0,36,4,new TGeoRotation("ha_1",0,0,0)));
TGeoVolume *ha_2=geom->MakeTubs("ha_2",Iron,0,6,5,0,0);
ha_2->SetLineColor(6);
top->AddNodeOverlap(ha_2,1,new TGeoCombiTrans(0,36,10,new TGeoRotation("ha_2",0,180,0)));
TGeoVolume *ha_3=geom->MakeTubs("ha_3",Iron,0,1,12,0,0);
ha_3->SetLineColor(28);
top->AddNodeOverlap(ha_3,1,new TGeoCombiTrans(0,36,8,new TGeoRotation("ha_3",0,90,0)));
TGeoVolume *ha_4=geom->MakeTubs("ha_4",Iron,0,1,3,0,0);
ha_4->SetLineColor(28);
top->AddNodeOverlap(ha_4,1,new TGeoCombiTrans(0,22,10,new TGeoRotation("ha_4",0,0,0)));
TGeoVolume *ha_5=geom->MakeTubs("ha_5",Iron,0,1,3,0,0);
ha_5->SetLineColor(28);
top->AddNodeOverlap(ha_5,1,new TGeoCombiTrans(0,46,10,new TGeoRotation("ha_5",0,0,0)));
TGeoVolume *ha_6=geom->MakeTubs("ha_6",Iron,0,1,3,0,0);
ha_6->SetLineColor(28);
top->AddNodeOverlap(ha_6,1,new TGeoCombiTrans(0,24,10,new TGeoRotation("ha_6",0,0,0)));
TGeoVolume *ha_7=geom->MakeTubs("ha_7",Iron,0,1,3,0,0);
ha_7->SetLineColor(28);
top->AddNodeOverlap(ha_7,1,new TGeoCombiTrans(0,48,10,new TGeoRotation("ha_7",0,0,0)));
TGeoVolume *ha_8=geom->MakeBox("ha_8",Iron,2,0.5,2);
ha_8->SetLineColor(19);
top->AddNodeOverlap(ha_8,1,new TGeoCombiTrans(-4.2,36,9,new TGeoRotation("ha_8",0,45,0)));
TGeoVolume *ha_9=geom->MakeBox("ha_9",Iron,2,0.5,2);
ha_9->SetLineColor(19);
top->AddNodeOverlap(ha_9,1,new TGeoCombiTrans(-4.2,36,9,new TGeoRotation("ha_9",0,135,0)));
TGeoVolume *h_1=geom->MakeTubs("h_1",Iron,0,6,4.5,0,0);
h_1->SetLineColor(5);
top->AddNodeOverlap(h_1,1,new TGeoCombiTrans(0,36,0,new TGeoRotation("h_1",0,0,0)));
TGeoVolume *h_2=geom->MakeSphere("h_2",Iron,0,7.5,0,52.5,0,360);
h_2->SetLineColor(5);
top->AddNodeOverlap(h_2,1,new TGeoCombiTrans(0,36,0,new TGeoRotation("h_2",0,0,0)));
TGeoVolume *h_3=geom->MakeSphere("h_3",Iron,0,7.5,0,52.5,0,360);
h_3->SetLineColor(5);
top->AddNodeOverlap(h_3,1,new TGeoCombiTrans(0,36,0,new TGeoRotation("h_3",180,180,0)));
TGeoVolume *h_4=geom->MakeTubs("h_4",Iron,2.5,3.5,1.5,0,0);
h_4->SetLineColor(5);
top->AddNodeOverlap(h_4,1,new TGeoCombiTrans(0,36,7.5,new TGeoRotation("h_4",0,0,0)));
TGeoVolume *fa1=geom->MakeTubs("fa1",Iron,0,0.5,1,0,360);
fa1->SetLineColor(12);
top->AddNodeOverlap(fa1,1,new TGeoCombiTrans(-5,38,1.5,new TGeoRotation("fa1",-90,90,0)));
TGeoVolume *fa2=geom->MakeTubs("fa2",Iron,0,0.5,1,0,360);
fa2->SetLineColor(12);
top->AddNodeOverlap(fa2,1,new TGeoCombiTrans(-5,34,1.5,new TGeoRotation("fa2",-90,90,0)));
TGeoVolume *fa1_1=geom->MakeTubs("fa1_1",Iron,1,1.2,1,0,360);
fa1_1->SetLineColor(12);
top->AddNodeOverlap(fa1_1,1,new TGeoCombiTrans(-5,38,1.5,new TGeoRotation("fa1_1",-90,90,0)));
TGeoVolume *fa2_1=geom->MakeTubs("fa2_1",Iron,1,1.2,1,0,360);
fa2_1->SetLineColor(12);
top->AddNodeOverlap(fa2_1,1,new TGeoCombiTrans(-5,34,1.5,new TGeoRotation("fa2_1",-90,90,0)));
TGeoVolume *fa3=geom->MakeTubs("fa3",Iron,2,2.3,1,90,270);
fa3->SetLineColor(12);
top->AddNodeOverlap(fa3,1,new TGeoCombiTrans(-5,36,-1,new TGeoRotation("fa3",90,90,90)));
TGeoVolume *m_1=geom->MakeBox("m_1",Iron,7,8,4);
m_1->SetLineColor(25);
top->AddNodeOverlap(m_1,1,new TGeoCombiTrans(0,36,-17,new TGeoRotation("m_1",90,90,0)));
TGeoVolume *m_2=geom->MakeTubs("m_2",Iron,0,1,7,90,180);
m_2->SetLineColor(25);
top->AddNodeOverlap(m_2,1,new TGeoCombiTrans(-3,36,-9,new TGeoRotation("m_2",0,90,0)));
TGeoVolume *m_3=geom->MakeTubs("m_3",Iron,0,1,7,0,90);
m_3->SetLineColor(25);
top->AddNodeOverlap(m_3,1,new TGeoCombiTrans(3,36,-9,new TGeoRotation("m_3",0,90,0)));
TGeoVolume *m_4=geom->MakeBox("m_4",Iron,3,7,0.5);
m_4->SetLineColor(25);
top->AddNodeOverlap(m_4,1,new TGeoCombiTrans(0,36,-8.5,new TGeoRotation("m_4",90,0,90)));
TGeoVolume *m_5=geom->MakeTubs("m_5",Iron,0,1.5,1.2,0,0);
m_5->SetLineColor(5);
top->AddNodeOverlap(m_5,1,new TGeoCombiTrans(0,36,-7.8,new TGeoRotation("m_5",0,0,0)));
TGeoVolume *m_6=geom->MakeTrd2("m_6",Iron,4,4,0,2,8);
m_6->SetLineColor(25);
top->AddNodeOverlap(m_6,1,new TGeoCombiTrans(0,29,-17,new TGeoRotation("m_6",0,180,0)));
TGeoVolume *m_7=geom->MakeTrd2("m_7",Iron,4,4,0,2,8);
m_7->SetLineColor(25);
top->AddNodeOverlap(m_7,1,new TGeoCombiTrans(0,43,-17,new TGeoRotation("m_7",0,180,0)));
TGeoVolume *md_1=geom->MakeBox("md_1",Iron,4,8.5,0.7);
md_1->SetLineColor(48);
top->AddNodeOverlap(md_1,1,new TGeoCombiTrans(0,36,-25.5,new TGeoRotation("md_1",0,0,0)));
TGeoVolume *md_2=geom->MakeBox("md_2",Iron,3,0.4,2);
md_2->SetLineColor(48);
top->AddNodeOverlap(md_2,1,new TGeoCombiTrans(0,36,-28,new TGeoRotation("md_2",0,0,0)));
TGeoVolume *d_1=geom->MakeTrd2("d_1",Iron,3,4,4,4,7);
d_1->SetLineColor(48);
top->AddNodeOverlap(d_1,1,new TGeoCombiTrans(0,40.5,-37.2,new TGeoRotation("d_1",0,0,0)));
TGeoVolume *d_2=geom->MakeTrd2("d_2",Iron,3,4,4,4,7);
d_2->SetLineColor(48);
top->AddNodeOverlap(d_2,1,new TGeoCombiTrans(0,31.5,-37.2,new TGeoRotation("d_2",0,0,0)));
TGeoVolume *d_3=geom->MakeTubs("d_3",Iron,0,4,3.98,0,180);
d_3->SetLineColor(48);
top->AddNodeOverlap(d_3,1,new TGeoCombiTrans(0,40.5,-30.2,new TGeoRotation("d_3",0,90,0)));
TGeoVolume *d_4=geom->MakeTubs("d_4",Iron,0,4,3.98,0,180);
d_4->SetLineColor(48);
top->AddNodeOverlap(d_4,1,new TGeoCombiTrans(0,31.5,-30.2,new TGeoRotation("d_4",0,90,0)));
TGeoVolume *d_5=geom->MakeBox("d_5",Iron,4,4,1);
d_5->SetLineColor(48);
top->AddNodeOverlap(d_5,1,new TGeoCombiTrans(-1,40.5,-43.7,new TGeoRotation("d_5",0,0,0)));
TGeoVolume *d_6=geom->MakeBox("d_6",Iron,4,4,1);
d_6->SetLineColor(48);
top->AddNodeOverlap(d_6,1,new TGeoCombiTrans(-1,31.5,-43.7,new TGeoRotation("d_6",0,0,0)));
TGeoVolume *a_1=geom->MakeTubs("a_1",Iron,0,1.5,4,0,0);
a_1->SetLineColor(45);
top->AddNodeOverlap(a_1,1,new TGeoCombiTrans(0,46,-15.1,new TGeoRotation("a_1",0,20,45)));
TGeoVolume *a_2=geom->MakeSphere("a_2",Iron,0,1.48,0,180,0,200);
a_2->SetLineColor(45);
top->AddNodeOverlap(a_2,1,new TGeoCombiTrans(0,44.6,-11.5,new TGeoRotation("a_2",120,80,20)));
TGeoVolume *a_3=geom->MakeTubs("a_3",Iron,0,1.5,2.2,0,0);
a_3->SetLineColor(45);
top->AddNodeOverlap(a_3,1,new TGeoCombiTrans(0,47.3,-20.6,new TGeoRotation("a_3",300,0,40)));
TGeoVolume *a_4=geom->MakeTubs("a_4",Iron,0,1,1,0,0);
a_4->SetLineColor(12);
top->AddNodeOverlap(a_4,1,new TGeoCombiTrans(0,47.3,-23.8,new TGeoRotation("a_4",75,0,30)));
TGeoVolume *a_5=geom->MakeTubs("a_5",Iron,1.5,2.5,2,0,270);
a_5->SetLineColor(12);
top->AddNodeOverlap(a_5,1,new TGeoCombiTrans(0,47.3,-26.5,new TGeoRotation("a_5",-90,90,0)));
TGeoVolume *Aa1=geom->MakeTubs("Aa1",Iron,0,1.5,4,0,0);
Aa1->SetLineColor(45);
top->AddNodeOverlap(Aa1,1,new TGeoCombiTrans(0,26,-15.1,new TGeoRotation("Aa1",0,-20,-45)));
TGeoVolume *Aa2=geom->MakeSphere("Aa2",Iron,0,1.48,0,180,0,200);
Aa2->SetLineColor(45);
top->AddNodeOverlap(Aa2,1,new TGeoCombiTrans(0,27.4,-11.5,new TGeoRotation("Aa2",120,80,-20)));
TGeoVolume *Aa3=geom->MakeTubs("Aa3",Iron,0,1.5,2.2,0,0);
Aa3->SetLineColor(45);
top->AddNodeOverlap(Aa3,1,new TGeoCombiTrans(0,24.7,-20.6,new TGeoRotation("Aa3",-300,0,-40)));
TGeoVolume *Aa4=geom->MakeTubs("Aa4",Iron,0,1,1,0,0);
Aa4->SetLineColor(12);
top->AddNodeOverlap(Aa4,1,new TGeoCombiTrans(0,24.7,-23.8,new TGeoRotation("Aa4",-75,0,-30)));
TGeoVolume *Aa5=geom->MakeTubs("Aa5",Iron,1.5,2.5,2,0,270);
Aa5->SetLineColor(12);
top->AddNodeOverlap(Aa5,1,new TGeoCombiTrans(0,24.7,-26.5,new TGeoRotation("Aa5",90,90,00)));
TGeoVolume *bag1=geom->MakeBox("bag1",Iron,10,4,6);
bag1->SetLineColor(19);
top->AddNodeOverlap(bag1,1,new TGeoCombiTrans(0,48,-36,new TGeoRotation("bag1",0,0,0)));
TGeoVolume *bag2=geom->MakeTubs("bag2",Iron,3,4,1,180,360);
bag2->SetLineColor(19);
top->AddNodeOverlap(bag2,1,new TGeoCombiTrans(0,48,-30,new TGeoRotation("bag2",0,270,0)));
TGeoVolume *well=geom->MakeBox("well",Iron,5,10,3);
well->SetLineColor(18);
top->AddNodeOverlap(well,1,new TGeoCombiTrans(-26.5,-17,-42,new TGeoRotation("well",0,0,0)));
TGeoVolume *K5=geom->MakeTubs("K5",Iron,0,3,3,0,0);
K5->SetLineColor(18);
top->AddNodeOverlap(K5,1,new TGeoCombiTrans(-27,-12.5,-39,new TGeoRotation("K5",0,0,0)));
TGeoVolume *K4=geom->MakeTubs("K4",Iron,0,3,3,0,0);
K4->SetLineColor(18);
top->AddNodeOverlap(K4,1,new TGeoCombiTrans(-27,-21.5,-39,new TGeoRotation("K4",0,0,0)));
//==============Board=========
char nB[100];
int Z=0,Y=0;
TGeoVolume *bo1;
while(Y<6){
while(Z<10){
sprintf(nB,"B%d_Y%d",Z,Y);
bo1=geom->MakeTubs(nB,Iron,0,3,3,0,0);
bo1->SetLineColor(8);
top->AddNodeOverlap(bo1,1,new TGeoCombiTrans(-27+(Y*9),-21.5+(Z*9),-45,new TGeoRotation("bo1",0,0,0)));
Z++;
}
Y++; Z=0;
}
TGeoVolume *bo2=geom->MakeBox("bo2",Iron,27,45,3);
bo2->SetLineColor(8);
top->AddNodeOverlap(bo2,1,new TGeoCombiTrans(-4.5,18,-48,new TGeoRotation("bo2",0,0,0)));
top->SetVisibility(0);
geom->CloseGeometry();
top->Draw("ogl");
}
TAttLine::SetLineColor
virtual void SetLineColor(Color_t lcolor)
Set the line color.
Definition TAttLine.h:40
TGeoCombiTrans
Class describing rotation + translation.
Definition TGeoMatrix.h:292
TGeoManager
The manager class for any TGeo geometry.
Definition TGeoManager.h:45
TGeoManager::CloseGeometry
void CloseGeometry(Option_t *option="d")
Closing geometry implies checking the geometry validity, fixing shapes with negative parameters (run-...
Definition TGeoManager.cxx:1360
TGeoManager::MakeTrd2
TGeoVolume * MakeTrd2(const char *name, TGeoMedium *medium, Double_t dx1, Double_t dx2, Double_t dy1, Double_t dy2, Double_t dz)
Make in one step a volume pointing to a TGeoTrd2 shape with given medium.
Definition TGeoManager.cxx:3073
TGeoManager::MakeBox
TGeoVolume * MakeBox(const char *name, TGeoMedium *medium, Double_t dx, Double_t dy, Double_t dz)
Make in one step a volume pointing to a box shape with given medium.
Definition TGeoManager.cxx:2930
TGeoManager::MakeSphere
TGeoVolume * MakeSphere(const char *name, TGeoMedium *medium, Double_t rmin, Double_t rmax, Double_t themin=0, Double_t themax=180, Double_t phimin=0, Double_t phimax=360)
Make in one step a volume pointing to a sphere shape with given medium.
Definition TGeoManager.cxx:2949
TGeoManager::SetTopVolume
void SetTopVolume(TGeoVolume *vol)
Set the top volume and corresponding node as starting point of the geometry.
Definition TGeoManager.cxx:3409
TGeoManager::SetTopVisible
void SetTopVisible(Bool_t vis=kTRUE)
make top volume visible on screen
Definition TGeoManager.cxx:2205
TGeoManager::MakeTubs
TGeoVolume * MakeTubs(const char *name, TGeoMedium *medium, Double_t rmin, Double_t rmax, Double_t dz, Double_t phi1, Double_t phi2)
Make in one step a volume pointing to a tube segment shape with given medium.
Definition TGeoManager.cxx:2978
TGeoMaterial
Base class describing materials.
Definition TGeoMaterial.h:36
TGeoMedium
Media are used to store properties related to tracking and which are useful only when using geometry ...
Definition TGeoMedium.h:24
TGeoRotation
Class describing rotations.
Definition TGeoMatrix.h:175
TGeoVolume
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition TGeoVolume.h:49
TGeoVolume::SetVisibility
virtual void SetVisibility(Bool_t vis=kTRUE)
set visibility of this volume
Definition TGeoVolume.cxx:2199
TGeoVolume::AddNodeOverlap
virtual void AddNodeOverlap(TGeoVolume *vol, Int_t copy_no, TGeoMatrix *mat=0, Option_t *option="")
Add a TGeoNode to the list of nodes.
Definition TGeoVolume.cxx:997
TGeoVolume::Draw
virtual void Draw(Option_t *option="")
draw top volume according to option
Definition TGeoVolume.cxx:1147
TGeoVolume::SetLineColor
virtual void SetLineColor(Color_t lcolor)
Set the line color.
Definition TGeoVolume.cxx:2037
lego
void lego()
Definition lego.C:31
h1
TH1F * h1
Definition legend1.C:5
Author
Soon Gi Kwon(1116w.nosp@m.on@h.nosp@m.anmai.nosp@m.l.ne.nosp@m.t), Dept. of Physics, Univ. of Seoul

Definition in file lego.C.