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G4OpenInventorTransform3D.cc
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27 // $Id$
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30 // jck 17 Dec 1996
31 // G4OpenInventorTransform3D provides OpenGL style transformation matrix
32 // from G4Transform3D.
33 // gb 22 Nov 2004 : use SbMatrix instead of SoSFMatrix.
34 
35 #ifdef G4VIS_BUILD_OI_DRIVER
36 
37 // this :
39 
40 #include <Inventor/SbLinear.h>
41 
42 G4OpenInventorTransform3D::G4OpenInventorTransform3D (const G4Transform3D &t)
43 : G4Transform3D (t) {
44 #define elem(i,j) ((float)t(i,j))
45  m[0] = elem(0,0); //xx
46  m[1] = elem(1,0); //yx
47  m[2] = elem(2,0); //zx
48  m[3] = 0;
49  m[4] = elem(0,1); //xy
50  m[5] = elem(1,1); //yy
51  m[6] = elem(2,1); //zy
52  m[7] = 0;
53  m[8] = elem(0,2); //xz
54  m[9] = elem(1,2); //yz
55  m[10] = elem(2,2); //zz
56  m[11] = 0;
57  m[12] = elem(0,3); //dx
58  m[13] = elem(1,3); //dy
59  m[14] = elem(2,3); //dz
60  m[15] = 1;
61 #undef elem
62 }
63 
64 SbMatrix* G4OpenInventorTransform3D::GetSbMatrix () const {
65  SbMatrix* tm = new SbMatrix(m[0],m[1],m[2],m[3],
66  m[4],m[5],m[6],m[7],
67  m[8],m[9],m[10],m[11],
68  m[12],m[13],m[14],m[15]);
69  return tm;
70 }
71 
72 #endif