Logo ROOT  
Reference Guide
TTRD1.cxx
Go to the documentation of this file.
1// @(#)root/g3d:$Id$
2// Author: Nenad Buncic 17/09/95
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 "TTRD1.h"
13#include "TNode.h"
14
16
17/** \class TTRD1
18\ingroup g3d
19A trapezoid with the x dimension varying along z.
20
21\image html g3d_trd1.png
22
23It has 7 parameters:
24
25 - name: name of the shape
26 - title: shape's title
27 - material: (see TMaterial)
28 - dx1: half-length along x at the z surface positioned at -DZ
29 - dx2: half-length along x at the z surface positioned at +DZ
30 - dy: half-length along the y-axis
31 - dz: half-length along the z-axis
32*/
33
34////////////////////////////////////////////////////////////////////////////////
35/// TRD1 shape default constructor
36
38{
39 fDx2 = 0.;
40}
41
42////////////////////////////////////////////////////////////////////////////////
43/// TRD1 shape normal constructor
44
45TTRD1::TTRD1(const char *name, const char *title, const char *material, Float_t dx1, Float_t dx2, Float_t dy, Float_t dz)
46 : TBRIK(name, title,material,dx1,dy,dz)
47{
48 fDx2 = dx2;
49}
50
51////////////////////////////////////////////////////////////////////////////////
52/// TRD1 shape default destructor
53
55{
56}
57
58////////////////////////////////////////////////////////////////////////////////
59/// Create TRD1 points
60
62{
63 Float_t dx1, dx2, dy, dz;
64
65 dx1 = TBRIK::fDx;
66 dx2 = fDx2;
67 dy = TBRIK::fDy;
68 dz = TBRIK::fDz;
69
70 if (points) {
71 points[ 0] = -dx1 ; points[ 1] = -dy ; points[ 2] = -dz;
72 points[ 3] = -dx1 ; points[ 4] = dy ; points[ 5] = -dz;
73 points[ 6] = dx1 ; points[ 7] = dy ; points[ 8] = -dz;
74 points[ 9] = dx1 ; points[10] = -dy ; points[11] = -dz;
75 points[12] = -dx2 ; points[13] = -dy ; points[14] = dz;
76 points[15] = -dx2 ; points[16] = dy ; points[17] = dz;
77 points[18] = dx2 ; points[19] = dy ; points[20] = dz;
78 points[21] = dx2 ; points[22] = -dy ; points[23] = dz;
79 }
80}
double Double_t
Definition: RtypesCore.h:55
float Float_t
Definition: RtypesCore.h:53
#define ClassImp(name)
Definition: Rtypes.h:365
char name[80]
Definition: TGX11.cxx:109
point * points
Definition: X3DBuffer.c:22
A box with faces perpendicular to the axes.
Definition: TBRIK.h:26
Float_t fDz
Definition: TBRIK.h:31
Float_t fDy
Definition: TBRIK.h:30
Float_t fDx
Definition: TBRIK.h:29
A trapezoid with the x dimension varying along z.
Definition: TTRD1.h:28
virtual ~TTRD1()
TRD1 shape default destructor.
Definition: TTRD1.cxx:54
Float_t fDx2
Definition: TTRD1.h:30
TTRD1()
TRD1 shape default constructor.
Definition: TTRD1.cxx:37
virtual void SetPoints(Double_t *points) const
Create TRD1 points.
Definition: TTRD1.cxx:61