ggproto

[smasongarrison]

Consider implementing ggproto to enhance useability https://ggplot2-book.org/internals#sec-ggproto

[smasongarrison]

current version on ggproto branch throws error

Error in ggPedigree.core() at ggpedigree/R/ggpedigree.R:140:5:
! Problem while converting geom to grob.
ℹ Error occurred in the 1st layer.
Caused by error in alpha():
! Cannot recycle colour and alpha to a common size.
Run rlang::last_trace() to see where the error occurred.
Called from: signal_abort(cnd, .file)