Extract elevation values from coordinates

Extracts elevation values from a DEM raster at specified coordinate locations.

Usage

elevation_extract(
  m,
  dem,
  method = "bilinear",
  terra = has_terra() && methods::is(dem, "SpatRaster")
)

Arguments

m

Matrix or sf object with coordinates

dem

A raster object containing elevation data

method

Method for raster extraction (default: "bilinear")

terra

Logical, whether to use terra package (default: auto-detected)

Value

Numeric vector of elevation values