Get resolution from a raster map in a GRASS GIS database

This function gets the resolution of a raster layer in GRASS GIS.

Usage

grass_get_res(map)

Arguments

map

[character]
Name of the raster layer, possibly including the mapset in the format "map_name@mapset_name" if in a mapset different from the current mapset.

Value

A number representing the pixel size, based on the nsres parameter from r.info, in units defined based on the project/location CRS. Should generally be meters.

Examples

if(FALSE) {
  # connect to GRASS
  NinaR::grassConnect()
  # get resolution
  grass_get_res(map = "master_grid_100m_norway@p_sam_tools")
  grass_get_res(map = "master_grid_1km_norway@p_sam_tools")
}