Entity type 114.
public vtb::iges::Entityusing vertex_array_2d = std::vector< vertex_array_1d >using vertex_array_1d = std::vector< vec3 >using vec3 = blitz::TinyVector< T, 3 >using coefficient_array = std::vector< std::vector< Coefficients > >using array_1d = std::vector< T >parameters(iges_ostream & out) const -> voidprotectedvirtualParametric_spline_surface(const vertex_array_2d & data, bool cyclic = false)explicit