opencv/cxcore.go
func (m *Mat) Set3D(x, y, z int, value Scalar) {
	C.cvSet3D(unsafe.Pointer(m), C.int(x), C.int(y), C.int(z), (C.CvScalar)(value))
}
func (m *Mat) Set3D(x, y, z int, value Scalar) {
	C.cvSet3D(unsafe.Pointer(m), C.int(x), C.int(y), C.int(z), (C.CvScalar)(value))
}
/* Set3D sets a particular element in them matrix */