download_osm: Download Open Street Map Layers

In ptimoner/inAccMod: Get and prepare the required inputs for AccessMod

Download Open Street Map Layers

Description

Download Open Street Map shapefiles that correspond to 'roads', 'rivers' or any other natural feature and copy them to their corresponding folders.

Usage

download_osm(
  mainPath,
  location,
  type,
  alwaysDownload = FALSE,
  mostRecent = TRUE,
  defaultClasses = TRUE
)

Arguments

mainPath	character; the parent directory of the location folder
location	character; the location folder name
type	character; target layer. Can be 'roads', 'waterLines' or 'waterPolygons'
alwaysDownload	logical; should the shapefile always be downloaded, even if it has already been downloaded? If FALSE and if the shapefile has already been downloaded the user is interactively asked whether they want to download it again or not.
mostRecent	logical; should the most recent boundary shapefile be selected? If FALSE and if there are multiple available inputs, the user is interactively asked to select the input based on file creation time.
defaultClasses	logical; should only the default classes be kept? If not, the user is interactively asked to select the categories they want to keep. For 'roads', default classes are: trunk, trunk_link, primary, primary_link, motorway, motorway_link, secondary, secondary_link, tertiary, tertiary_link, road, raceway, residential, living_street, service, track, pedestrian, path, footway, piste, bridleway, cycleway, steps, unclassified and bridge. For waterLines and waterPolygons, default classes are river and water, respectively.

Examples

# Replace workDir with the actual path to your working directory
## Not run: 
mainPath <- "workDir"
initiate_project(mainPath)
## End(Not run)

# Replace myLocation with the location name you are working on (workDir subfolder)
## Not run: 
location <- "myLocation"
download_osm(mainPath, location, type = "roads", alwaysDownload = TRUE, mostRecent = NULL, defaultClasses = TRUE)
download_osm(mainPath, location, type = "waterLines", alwaysDownload = TRUE, mostRecent = NULL, defaultClasses = TRUE)
download_osm(mainPath, location, type = "waterPolygons", alwaysDownload = TRUE, mostRecent = NULL, defaultClasses = TRUE)
## End(Not run)

ptimoner/inAccMod documentation built on Jan. 27, 2025, 9:34 a.m.