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Plot Presence Absence Map

Source: R/plotPA.R
plotPA.Rd

Plot a presence absence map using the given threshold.

Usage

plotPA(
  map,
  th,
  colors = NULL,
  hr = FALSE,
  filename = "",
  overwrite = FALSE,
  wopt = list(),
  ...
)

Arguments

map

rast object with the prediction.

th

numeric. The threshold used to convert the output in a presence/absence map.

colors

vector. Colors to be used, default is NULL and it uses red and blue.

hr

logical. If TRUE it produces an output with high resolution.

filename

character. If provided the raster map is saved in a file. It must include the extension.

overwrite

logical. If TRUE an existing file is overwritten.

wopt

list. Writing options passed to writeRaster.

...

Unused arguments.

Value

A ggplot object.

See also

plotPred.

Author

Sergio Vignali

Examples

map <- terra::rast(matrix(runif(400, 0, 1),
                                    nrow = 20,
                                    ncol = 20))
plotPA(map,
       th = 0.8)


# Custom colors
plotPA(map,
       th = 0.5,
       colors = c("#d8b365", "#018571"))


if (FALSE) {
# Save the file. The following command will save the map in the working
# directory. Note that `filename` must include the extension.
plotPA(map,
       th = 0.7,
       filename = "my_map.tif")}