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G4NURBShexahedron.hh
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27 // $Id$
28 //
29 // Hexa hedron builder prototype
30 // OC 17 9 96
31 
32 // Class Description:
33 // Hexa hedron builder prototype for NURBS.
34 // See documentation in graphics_reps/doc for details.
35 
36 #ifndef __C_G4NURBShexahedron__
37 #define __C_G4NURBShexahedron__ 1
38 
39 #include "G4NURBS.hh"
40 #include "G4ThreeVector.hh"
41 
42 class G4NURBShexahedron : public G4NURBS
43 {
44  // imagine the hexahedron is just a box, then
45  // the eight corners must be given in the following order :
46  // DX DY -DZ
47  // -DX DY -DZ
48  // -DX -DY -DZ
49  // DX -DY -DZ
50  // DX DY DZ
51  // -DX DY DZ
52  // -DX -DY DZ
53  // DX -DY DZ
54  // (ie, with Oz pointing to you, Ox on the right, Oy on the top:
55  // from the rear, from the upper right corner to the lower one
56  // in anticlockwise sens, then the same for front side)
57 
58  public:
59  G4NURBShexahedron(const G4ThreeVector Corners [8]);
60  const char* Whoami() const;
61 };
62 
63 #endif
64 // end of __C_G4NURBShexahedron__