handle<ValueNode_BLine> bline_value_node(bline_);
const bool looped(bline_value_node->get_loop());
int size = bline.size(), from_vertex;
handle<ValueNode_BLine> bline_value_node(bline_);
const bool looped(bline_value_node->get_loop());
int size = bline.size(), from_vertex;