Gives the number of points used for a circle/ellipse node

type: int, default: 8 (output) , 20 (overlap and image maps)

Used if the input graph defines the vertices attribute, and output is dot or xdot.

It plays the same role in neato, when adjusting the layout to avoid overlapping nodes, and in image maps.

Valid on:
  • Nodes

Search the Graphviz codebase for "samplepoints"