apexcharter/man/add-shade.Rd

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2020-04-02 19:33:39 +02:00
% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/annotations.R
\name{add-shade}
\alias{add-shade}
\alias{add_shade}
\alias{add_shade_weekend}
\title{Add a shaded area to a chart}
\usage{
add_shade(ax, from, to, color = "#848484", opacity = 0.2, ...)
add_shade_weekend(ax, color = "#848484", opacity = 0.2, ...)
}
\arguments{
\item{ax}{An \code{apexcharts} \code{htmlwidget} object.}
\item{from}{Vector of position to start shadow.}
\item{to}{Vector of position to end shadow.}
\item{color}{Color of the shadow.}
\item{opacity}{Opacity of the shadow.}
\item{...}{Additional arguments, see
\url{https://apexcharts.com/docs/options/annotations/} for possible options.}
}
\value{
An \code{apexcharts} \code{htmlwidget} object.
}
\description{
\code{add_shade()} allow to add a shadow area on specified range,
\code{add_shade_weekend()} add a shadow on every week-end.
}
\note{
\code{add_shade_weekend} only works if variable
used for x-axis is of class \code{Date} or \code{POSIXt}.
}
\examples{
library(apexcharter)
data("consumption")
# specify from and to date
apex(consumption, aes(date, value, group = type), "spline") \%>\%
add_shade(from = "2020-01-06", to = "2020-01-20")
# you can add several shadows
apex(consumption, aes(date, value, group = type), "spline") \%>\%
add_shade(from = "2020-01-06", to = "2020-01-20") \%>\%
add_shade(from = "2020-02-04", to = "2020-02-10")
# or use a vector
apex(consumption, aes(date, value, group = type), "spline") \%>\%
add_shade(from = c("2020-01-06", "2020-02-04"), to = c("2020-01-20", "2020-02-10"))
# automatically add shadow on week-ends
apex(consumption, aes(date, value, group = type), "spline") \%>\%
add_shade_weekend()
}