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25 //
26 //
27 //
28 //
29 // jck 17 Dec 1996
30 // G4OpenInventorTransform3D provides OpenGL style transformation matrix
31 // from G4Transform3D.
32 // gb 22 Nov 2004 : use SbMatrix instead of SoSFMatrix.
33
34 // this :
35 #include "G4OpenInventorTransform3D.hh"
36
37 #include <Inventor/SbLinear.h>
38
39 G4OpenInventorTransform3D::G4OpenInventorTransform3D (const G4Transform3D &t)
40 : G4Transform3D (t) {
41 #define elem(i,j) ((float)t(i,j))
42 m[0] = elem(0,0); //xx
43 m[1] = elem(1,0); //yx
44 m[2] = elem(2,0); //zx
45 m[3] = 0;
46 m[4] = elem(0,1); //xy
47 m[5] = elem(1,1); //yy
48 m[6] = elem(2,1); //zy
49 m[7] = 0;
50 m[8] = elem(0,2); //xz
51 m[9] = elem(1,2); //yz
52 m[10] = elem(2,2); //zz
53 m[11] = 0;
54 m[12] = elem(0,3); //dx
55 m[13] = elem(1,3); //dy
56 m[14] = elem(2,3); //dz
57 m[15] = 1;
58 #undef elem
59 }
60
61 SbMatrix* G4OpenInventorTransform3D::GetSbMatrix () const {
62 SbMatrix* tm = new SbMatrix(m[0],m[1],m[2],m[3],
63 m[4],m[5],m[6],m[7],
64 m[8],m[9],m[10],m[11],
65 m[12],m[13],m[14],m[15]);
66 return tm;
67 }
68