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TCONE.cxx
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1// @(#)root/g3d:$Id$
2// Author: Nenad Buncic 18/09/95
3
4/*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12#include "TCONE.h"
13#include "TNode.h"
14
16
17/** \class TCONE
18\ingroup g3d
19
20A conical tube.
21
22\image html g3d_cone.png
23It has 8 parameters:
24
25 - name: name of the shape
26 - title: shape's title
27 - material: (see TMaterial)
28 - dz: half-length in z
29 - rmin1: inside radius at -DZ in z
30 - rmax1: outside radius at -DZ in z
31 - rmin2: inside radius at +DZ in z
32 - rmax2: outside radius at +DZ in z
33*/
34
35////////////////////////////////////////////////////////////////////////////////
36/// CONE shape default constructor
37
39{
40 fRmin2 = 0.;
41 fRmax2 = 0.;
42}
43
44////////////////////////////////////////////////////////////////////////////////
45/// CONE shape normal constructor
46
47TCONE::TCONE(const char *name, const char *title, const char *material, Float_t dz,
48 Float_t rmin1, Float_t rmax1,
49 Float_t rmin2, Float_t rmax2)
50 : TTUBE(name, title,material,rmin1,rmax1,dz)
51{
52 fRmin2 = rmin2;
53 fRmax2 = rmax2;
54}
55
56////////////////////////////////////////////////////////////////////////////////
57/// CONE shape "simplified" constructor
58
59TCONE::TCONE(const char *name, const char *title, const char *material, Float_t dz, Float_t rmax1
60 , Float_t rmax2) : TTUBE(name, title,material,0,rmax1,dz)
61{
62 fRmin2 = 0;
63 fRmax2 = rmax2;
64}
65
66////////////////////////////////////////////////////////////////////////////////
67/// CONE shape default destructor
68
70{
71}
72
73////////////////////////////////////////////////////////////////////////////////
74/// Create CONE points
75
77{
78 Double_t rmin1, rmax1, dz;
79 Int_t j, n;
80
82
83 rmin1 = TTUBE::fRmin;
84 rmax1 = TTUBE::fRmax;
85 dz = TTUBE::fDz;
86
87 Int_t indx = 0;
88
90
91 if (points) {
92 for (j = 0; j < n; j++) {
93 points[indx++] = rmin1 * fCoTab[j];
94 points[indx++] = rmin1 * fSiTab[j];
95 points[indx++] = -dz;
96 }
97 for (j = 0; j < n; j++) {
98 points[indx++] = rmax1 * fCoTab[j];
99 points[indx++] = rmax1 * fSiTab[j];
100 points[indx++] = -dz;
101 }
102 for (j = 0; j < n; j++) {
103 points[indx++] = fRmin2 * fCoTab[j];
104 points[indx++] = fRmin2 * fSiTab[j];
105 points[indx++] = dz;
106 }
107 for (j = 0; j < n; j++) {
108 points[indx++] = fRmax2 * fCoTab[j];
109 points[indx++] = fRmax2 * fSiTab[j];
110 points[indx++] = dz;
111 }
112 }
113}
double Double_t
Definition RtypesCore.h:59
float Float_t
Definition RtypesCore.h:57
#define ClassImp(name)
Definition Rtypes.h:364
char name[80]
Definition TGX11.cxx:110
point * points
Definition X3DBuffer.c:22
A conical tube.
Definition TCONE.h:28
virtual void SetPoints(Double_t *points) const
Create CONE points.
Definition TCONE.cxx:76
virtual ~TCONE()
CONE shape default destructor.
Definition TCONE.cxx:69
TCONE()
CONE shape default constructor.
Definition TCONE.cxx:38
Float_t fRmin2
Definition TCONE.h:31
Float_t fRmax2
Definition TCONE.h:32
A tube.
Definition TTUBE.h:32
Double_t * fCoTab
Table of sin(fPhi1) .... sin(fPhil+fDphi1)
Definition TTUBE.h:45
Double_t * fSiTab
Definition TTUBE.h:44
Float_t fRmax
Definition TTUBE.h:36
virtual Int_t GetNumberOfDivisions() const
Definition TTUBE.h:67
virtual void MakeTableOfCoSin() const
Make table of sine and cosine.
Definition TTUBE.cxx:128
Float_t fRmin
Definition TTUBE.h:35
Float_t fDz
Definition TTUBE.h:38
const Int_t n
Definition legend1.C:16