local s = intersect_with_centroid(Nodes[s], ce.sx,ce.sy)
	local e = intersect_with_centroid(Nodes[e], s.sx,s.sy)
	table.insert(Surface, {type='line', r=0,g=0,b=0, data={s.sx,s.sy, e.sx,e.sy}})
end

	local s2 = intersect_with_centroid(Nodes[s], ce.sx,ce.sy)
	local e2 = intersect_with_centroid(Nodes[e], s2.sx,s2.sy)
	table.insert(Surface, {type='line', r=0,g=0,b=0, data={s2.sx,s2.sy, e2.sx,e2.sy}, keys={s,e}})
end

		if x.id == id then

		if x.id then print(x.id, x.type)
		elseif x.keys then
			print('keys', x.type)
			for _,k in ipairs(x.keys) do
				print('', k)
			end
		end
		if x.id == id or (x.keys and table.find(x.keys, id)) then

	for _,d in ipairs(node.outgoing_edges) do
		compute_layout_for_edge(id, d)
	end
	for _,s in ipairs(node.incoming_edges) do
		compute_layout_for_edge(s, id)
	end

	print('A')

	print('B')

			print('A', #obj.data)