ps_sf_ggmap_df: Ggmap from sf to data.frame

In poissonconsulting/poisspatial: Spatial Functions

Ggmap from sf to data.frame

Description

A wrapper function to quickly get plottable ggmap basemap clipped to padded bbox of sf object.

Usage

ps_sf_ggmap_df(x, pad, source, maptype)

Arguments

x	A sf object
pad	A numeric vector indicating amount in metres to pad bbox. If vector of length 1, that amount is added to all sides; if vector of length 4 amount is added to left, top, right and bottom, respectively.
source	Google Maps ("google"), OpenStreetMap ("osm"), Stamen Maps ("stamen"), or CloudMade maps ("cloudmade")
maptype	Character string providing map theme. Options available are "terrain", "terrain-background", "satellite", "roadmap", and "hybrid" (google maps), "terrain", "watercolor", and "toner" (stamen maps), or a positive integer for cloudmade maps (see ?get_cloudmademap).

Value

A data.frame object which can be plotted using: ggplot2::geom_point(data = x, aes(x = x, y = y, col = rgb(layer.1/255, layer.2/255, layer.3/255))).

poissonconsulting/poisspatial documentation built on Nov. 9, 2023, 10:09 a.m.