cartography (version 3.1.4)

tilesLayer: Plot a Raster Object

Description

Plot a raster object over a map. It can be used to plot images from getPngLayer.

Usage

tilesLayer(x, add = FALSE, ...)
pngLayer(x, add = FALSE, ...)

Arguments

x

a RasterBrick object; getPngLayer function output these objects.

add

whether to add the layer to an existing plot (TRUE) or not (FALSE).

...

bgalpha, interpolate, or other arguments passed to be passed to plotRGB

Author

dieghernan, https://github.com/dieghernan/

See Also

getPngLayer

Examples

library(sf)
mtq <- st_read(system.file("gpkg/mtq.gpkg", package = "cartography"))

# Local image
dirpng <- system.file("img/LogoMartinique.png", package = "cartography")
mask <- getPngLayer(mtq, dirpng, crop = TRUE, margin = 0.5)
par(mar = c(0,0,0,0))
ghostLayer(mtq)
pngLayer(mask, add = TRUE)

if (FALSE) {
# Remote image
urlpng = "https://i.imgur.com/gePiDvB.png"
masksea <- getPngLayer(mtq, urlpng, mode = "wb", inverse = TRUE, margin = 0.5)
#Combine
par(mar = c(0,0,0,0))
ghostLayer(mtq)
pngLayer(mask, add = TRUE)
pngLayer(masksea, add = TRUE)
plot(st_geometry(mtq), border="orange", add=TRUE)
}