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Create grid across Canada

Source: R/cosewic_tools.R
grid_canada.Rd

Create grid across Canada

Usage

grid_canada(cell_size = 200, buffer = 500)

Arguments

cell_size

Numeric. Size of grid (km) to use when creating grid. If using this grid as input to cosewic_ranges(), should use default COSEWIC grid size of 2.

buffer

Numeric. Extra buffer (km) to add around the outline of Canada before calculating grid.

Value

sf data frame with polygon grid

Examples


gc <- grid_canada(200) 
gc_buff <- grid_canada(200, buffer = 0)

# Plot to illustrate
library(ggplot2)
ggplot() +
  geom_sf(data = map_canada()) +
  geom_sf(data = gc, fill = NA) +
  labs(caption = "200km buffer")

  
ggplot() +
  geom_sf(data = map_canada()) +
  geom_sf(data = gc_buff, fill = NA) +
  labs(caption = "No buffer")