Kernel::ConstructVector_3

Kernel::Vector_3	fo.operator() ( Kernel::Point_3 a, Kernel::Point_3 b)
		introduces the vector $$b-a.
Kernel::Vector_3	fo.operator() ( Origin o, Kernel::Point_3 b)
		introduces the vector $$b.
Kernel::Vector_3	fo.operator() ( Kernel::Point_3 a, Origin o)
		introduces the vector $$-a.
Kernel::Vector_3	fo.operator() ( Kernel::Segment_3 s)
		introduces the vector $$s.target()-s.source().
Kernel::Vector_3	fo.operator() ( Kernel::Ray_3 r)
		introduces a vector having the same direction as $$r.
Kernel::Vector_3	fo.operator() ( Kernel::Line_3 l)
		introduces a vector having the same direction as $$l.
Kernel::Vector_3	fo.operator() ( Null_vector NULL_VECTOR)
		introduces a null vector .

Refines

See Also