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#' @include layer.R
NULL
#' Empty guide
#'
#' This guide draws nothing.
#'
#' @inheritParams guide_axis
#'
#' @export
#'
guide_none <- function(title = waiver(), position = waiver()) {
new_guide(
title = title,
position = position,
available_aes = "any",
super = GuideNone
)
}
#' @rdname ggplot2-ggproto
#' @format NULL
#' @usage NULL
#' @export
GuideNone <- ggproto(
"GuideNone", Guide,
# Perform no training
train = function(self, params = self$params, scale, aesthetic = NULL, ...) {
params
},
transform = function(self, params, coord, ...) {
params
},
# Draw nothing
draw = function(self, ...) {
zeroGrob()
}
)
|
