1. landscapetools::classified_landscape
    Example map (factor).
    rda| rds
    RasterLayer
  2. landscapetools::fractal_landscape
    Example map (fractional brownian motion).
    rda| rds
    RasterLayer
  3. landscapetools::gradient_landscape
    Example map (planar gradient).
    rda| rds
    RasterLayer
  4. landscapetools::random_landscape
    Example map (random).
    rda| rds
    RasterLayer