In Graphviz / dot, is it possible to get the edge to connect exactly in the top center of a node? Reading the dot guide, I thought tailport and headport would help me, but adding those make no difference and sometimes get me weirder results. This is what I'm getting: And this is what I'm looking for: The code I used to get the (incorrect) graph is: digraph G { graph [splines = ortho]; node [shape