digraph GVmap { label = "\n\nlmsource data model" rankdir=TB node [ shape=tab style=filled ] subgraph cluster_packages { label="Model" rankdir=TB style=filled fillcolor="/set312/1" "source" [ URL="#source" label = "source" fillcolor="/set312/2" ] ; } node [ shape=record fontsize=8 style=filled] "lmsource:source.Source" [ URL="#source.Source" label = "{source/Source|+name : ivoa:string\l+position : coords_tessel:domain.spatial.Position2D\l+parallax : ivoa:quantity.Quantity\l}" fillcolor="/set312/2" ] ; edge [color="green", arrowhead="open", arrowtail="none"] "lmsource:source.Source" -> "coordsys_tessel:CoordFrame" [headlabel="1",label="spaceFrame",labelfontsize=10] ; }