digraph { node [shape=box, style=rounded]; rankdir=TB; subgraph clusterMain { "blueHour :: Archive" [label= tooltip="blueHour :: Archive" href="https://services.tidalwave.it/ci/view/Metrics/job/blueHour/"]; "blueHour :: Metrics" [label= tooltip="blueHour :: Metrics" href="https://services.tidalwave.it/ci/job/blueHour_Metrics/"]; color=invis;} subgraph clusterStandalone { color=invis;} "blueHour :: Metrics" -> "blueHour :: Archive" [ color=black ] ; }