G4OpenInventorTransform3D.cc

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00025 //
00026 //
00027 // $Id$
00028 //
00029 // 
00030 // jck 17 Dec 1996
00031 // G4OpenInventorTransform3D provides OpenGL style transformation matrix
00032 // from G4Transform3D.
00033 // gb 22 Nov 2004 : use SbMatrix instead of SoSFMatrix.
00034 
00035 #ifdef G4VIS_BUILD_OI_DRIVER
00036 
00037 // this :
00038 #include "G4OpenInventorTransform3D.hh"
00039 
00040 #include <Inventor/SbLinear.h>
00041 
00042 G4OpenInventorTransform3D::G4OpenInventorTransform3D (const G4Transform3D &t) 
00043 : G4Transform3D (t) {
00044 #define elem(i,j) ((float)t(i,j))
00045   m[0]  = elem(0,0); //xx
00046   m[1]  = elem(1,0); //yx
00047   m[2]  = elem(2,0); //zx
00048   m[3]  = 0;
00049   m[4]  = elem(0,1); //xy
00050   m[5]  = elem(1,1); //yy
00051   m[6]  = elem(2,1); //zy
00052   m[7]  = 0;
00053   m[8]  = elem(0,2); //xz
00054   m[9]  = elem(1,2); //yz
00055   m[10] = elem(2,2); //zz
00056   m[11] = 0;
00057   m[12] = elem(0,3); //dx
00058   m[13] = elem(1,3); //dy
00059   m[14] = elem(2,3); //dz
00060   m[15] = 1;
00061 #undef elem
00062 }
00063 
00064 SbMatrix* G4OpenInventorTransform3D::GetSbMatrix () const {
00065   SbMatrix* tm = new SbMatrix(m[0],m[1],m[2],m[3],
00066                               m[4],m[5],m[6],m[7],
00067                               m[8],m[9],m[10],m[11],
00068                               m[12],m[13],m[14],m[15]);
00069   return tm;
00070 }
00071 
00072 #endif

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