Markers are prepared to match GeoJSON marker-spec which is a partial implementation of the GeoJSON simplestyle-spec (described as a work-in-progress by Mapbox).
Usage
prep_overlay_markers(
data = NULL,
marker_type = c("pin-s", "pin-l", "url"),
label = NA,
color = NA,
longitude = NULL,
latitude = NULL,
url = NA
)Arguments
- data
An input data frame with longitude and latitude columns (X and Y or lon and lat as names are also acceptable) or an
sfobject with geometry type POINT.- marker_type
The marker type; one of
"pin-s", for a small pin;"pin-l", for a large pin; and"url", for an image path. If marker_type is the same length as the rows in data, a mix of different marker types are allowed.- label
The marker label (optional). Can be a letter, number (0 through 99), or a valid Maki icon (see https://labs.mapbox.com/maki-icons/) for options).
- color
The marker color (optional).
colorcan be specified as a color name or as a three or six-digit hexadecimal code (with or without the number sign).- longitude
A vector of longitudes; inferred from the input dataset if
datais provided.- latitude
A vector of latitudes; inferred from the input dataset if
datais provided.- url
The URL of the image to be used for the icon if
marker_type = "url".
Value
A formatted list of marker specifications that can be passed to the static_mapbox function.