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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/geom_node_circle.R
\name{geom_node_circle}
\alias{geom_node_circle}
\title{Show nodes as circles}
\usage{
geom_node_circle(
mapping = NULL,
data = NULL,
position = "identity",
show.legend = NA,
...
)
}
\arguments{
\item{mapping}{Set of aesthetic mappings created by \code{\link[ggplot2:aes]{ggplot2::aes()}}
or \code{\link[ggplot2:aes_]{ggplot2::aes_()}}. By default x and y are mapped to x0 and y0 in
the node data.}
\item{data}{The data to be displayed in this layer. There are three
options:
If \code{NULL}, the default, the data is inherited from the plot
data as specified in the call to \code{\link[ggplot2:ggplot]{ggplot()}}.
A \code{data.frame}, or other object, will override the plot
data. All objects will be fortified to produce a data frame. See
\code{\link[ggplot2:fortify]{fortify()}} for which variables will be created.
A \code{function} will be called with a single argument,
the plot data. The return value must be a \code{data.frame}, and
will be used as the layer data. A \code{function} can be created
from a \code{formula} (e.g. \code{~ head(.x, 10)}).}
\item{position}{Position adjustment, either as a string naming the adjustment
(e.g. \code{"jitter"} to use \code{position_jitter}), or the result of a call to a
position adjustment function. Use the latter if you need to change the
settings of the adjustment.}
\item{show.legend}{logical. Should this layer be included in the legends?
\code{NA}, the default, includes if any aesthetics are mapped.
\code{FALSE} never includes, and \code{TRUE} always includes.
It can also be a named logical vector to finely select the aesthetics to
display.}
\item{...}{Other arguments passed on to \code{\link[ggplot2:layer]{layer()}}. These are
often aesthetics, used to set an aesthetic to a fixed value, like
\code{colour = "red"} or \code{size = 3}. They may also be parameters
to the paired geom/stat.}
}
\description{
This geom is equivalent in functionality to \code{\link[ggforce:geom_circle]{ggforce::geom_circle()}}
and allows for plotting of nodes as circles with a radius scaled by the
coordinate system. Because of the geoms reliance on the coordinate system
it will only produce true circles when combined with
\code{\link[ggplot2:coord_fixed]{ggplot2::coord_fixed()}}
}
\section{Aesthetics}{
\code{geom_node_circle} understand the following aesthetics. Bold aesthetics are
automatically set, but can be overwritten.
\itemize{
\item \strong{x0}
\item \strong{y0}
\item \strong{r}
\item alpha
\item colour
\item fill
\item shape
\item size
\item stroke
\item filter
}
}
\examples{
require(tidygraph)
gr <- tbl_graph(flare$vertices, flare$edges)
ggraph(gr, 'circlepack', weight = size) +
geom_node_circle() +
coord_fixed()
}
\seealso{
Other geom_node_*:
\code{\link{geom_node_arc_bar}()},
\code{\link{geom_node_point}()},
\code{\link{geom_node_range}()},
\code{\link{geom_node_sf}()},
\code{\link{geom_node_text}()},
\code{\link{geom_node_tile}()},
\code{\link{geom_node_voronoi}()}
}
\author{
Thomas Lin Pedersen
}
\concept{geom_node_*}
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