A Install gdal and geos

A.1 on Windows

• Step 1: Download osgeo4w
  • Run the installer
  • Select Express Install, and Next.
  • Select the “GDAL” package and next
  • The selected packages and their required sub packages will be downloaded and installed automatically.
  • modify your .Rprofile

library(usethis)
edit_r_profile()

• You could modify your .Rprofile.

Easiest way is using package “usethis”:

library(usethis) edit_r_profile() This will open your current .Rprofile. You can then add a line to the file and save:

gdalUtils::gdal_setInstallation("C:\\OSGeo4W64\\bin")

• Step 2: install rgeos with install.packages("rgeos)
• Step 3: install rgeos with install.packages("rgdal)
• Step 4: install sf with install.packages("sf")

OR:

• Download the latest and install GDAL