Extract terrain values at points

Extracts raster values at point locations.

Usage

extract_terrain_points(metrics, points, method = "bilinear", ...)

Arguments

metrics

A metric raster stack.

points

Points as sf, terra::SpatVector, or a local vector path.

method

Extraction method passed to terra::extract().

...

Additional arguments passed to terra::extract().

Value

A tibble with point attributes and raster values.

See also

sample_terrain_cells()

Examples

bathy <- read_bathy(blueterra_example("bathy"))
zones <- terra::vect(blueterra_example("zones"))
pts <- terra::centroids(zones)
extract_terrain_points(bathy, pts)
#> # A tibble: 3 × 8
#>   site_id site_name  feature_type source_name width_m height_m angle_deg bathy_m
#>   <chr>   <chr>      <chr>        <chr>         <dbl>    <dbl>     <dbl>   <dbl>
#> 1 hitw    Hole-in-t… sampling_re… Hole In th…     300      300         0   -60.7
#> 2 hoyo    El Hoyo    sampling_re… Hoyo Terra…     300      400       135   -81.2
#> 3 slope   Slope Clip analysis_ex… Slope_clip…     NaN      NaN       NaN  -384.