thomasp85 / ggraph

Grammar of Graph Graphics

Home Page:https://ggraph.data-imaginist.com

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`arrow.fill` support

krassowski opened this issue · comments

geom_segment and geom_curve support arrow.fill which allows to set the fill in the arrow head. It is however not supported by geom_edge_* geoms. Would it be in scope?

It appears to be an omission, because the function drawing key does utilise (non-existing) arrow.fill:

fill = alpha(params$arrow.fill %||% data$edge_colour