Base class for geoms. A geom turns scaled (normalized-to-[0, 1])
aesthetic values into a list of render-target-agnostic drawing primitives
("marks"); see build_marks().
Geom(name = character(0), default_params = list(), required_aes = c("x", "y"))
Arguments
- name
Human-readable geom name.
- default_params
Named list of default visual parameters, used when
neither an aesthetic mapping nor a literal layer parameter supplies a
value.
- required_aes
Aesthetics that must be present (post-stat) for this
geom to draw; defaults to x and y.
Value
An S7 object of class Geom, the base class for geometric layers.