https://github.com/ropensci/terrainr

Get DEMs and orthoimagery from the USGS National Map, georeference your images and merge rasters, and visualize with Unity 3D

cran datasets dems map map-tiles mapping national-map nhd orthoimagery peer-reviewed progressr r r-package retrieve-data rstats terrainr unity unity-rendering-engine usgs

Last synced: 08 Oct 2025