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#' Draw nothing
#'
#' The blank geom draws nothing, but can be a useful way of ensuring common
#' scales between different plots. See [expand_limits()] for
#' more details.
#'
#' @export
#' @inheritParams layer
#' @inheritParams geom_point
#' @examples
#' ggplot(mtcars, aes(wt, mpg))
#' # Nothing to see here!
geom_blank <- function(mapping = NULL, data = NULL,
stat = "identity", position = "identity",
...,
show.legend = NA,
inherit.aes = TRUE) {
layer(
data = data,
mapping = mapping,
stat = stat,
geom = GeomBlank,
position = position,
show.legend = show.legend,
inherit.aes = inherit.aes,
params = list2(...),
check.aes = FALSE
)
}
#' @rdname ggplot2-ggproto
#' @format NULL
#' @usage NULL
#' @export
GeomBlank <- ggproto("GeomBlank", Geom,
default_aes = aes(),
handle_na = function(data, params) data,
check_constant_aes = FALSE,
draw_panel = function(...) nullGrob()
)
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