load_overlay: Import PNG textures for overlays

In spacey: Easily Obtain Spatial Data and Make Better Maps

Description

This is an extremely thin wrapper for readPNG, in order for users to not realize they even needed png for this package's functionality at all.

Usage

load_overlay(filename)

Arguments

filename

The path to the PNG file to be imported

Value

A matrix of values provided by readPNG

Examples

## Not run: 
bbox <- get_centroid_bounding_box(c(
  "lat" = 44.121268,
  "lng" = -73.903734
),
distance = 10
)

overlay_file <- tempfile("overlay_file", fileext = ".png")
get_image_overlay(bbox,
  save.png = TRUE,
  png.filename = overlay_file,
  overlay = "World_Imagery"
)
overlay <- load_overlay(overlay_file)

## End(Not run)

spacey documentation built on March 15, 2020, 1:07 a.m.