G4NURBShexahedron.hh

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//
//
// $Id$
//
// Hexa hedron builder prototype
// OC 17 9 96

// Class Description:
// Hexa hedron builder prototype for NURBS.
// See documentation in graphics_reps/doc for details.

#ifndef __C_G4NURBShexahedron__
#define __C_G4NURBShexahedron__ 1 

#include "G4NURBS.hh"
#include "G4ThreeVector.hh"

class  G4NURBShexahedron : public G4NURBS
{
  // imagine the hexahedron is just a box, then
  // the eight corners must be given in the following order :
  //  DX  DY -DZ
  // -DX  DY -DZ
  // -DX -DY -DZ
  //  DX -DY -DZ
  //  DX  DY  DZ 
  // -DX  DY  DZ
  // -DX -DY  DZ
  //  DX -DY  DZ
  // (ie, with Oz pointing to you, Ox on the right, Oy on the top:
  //  from the rear, from the upper right corner to the lower one
  //  in anticlockwise sens, then the same for front side)

  public:
    G4NURBShexahedron(const G4ThreeVector Corners [8]);
    const char*  Whoami() const;
};

#endif
// end of __C_G4NURBShexahedron__

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