W3cubDocs

/Graphviz

headtooltip

Tooltip annotation attached to the head of an edge

type: escString, default: ""

Used only if the edge has a headURL attribute.

See also:

Valid on:
  • Edges

Note: cmap, svg only.

© 2025 The Graphviz Authors
Licensed under the Eclipse Public License 1.0.
https://www.graphviz.org/docs/attrs/headtooltip/