Extract raster values with point buffers or polygons — extract_at • chopin

Extract raster values with point buffers or polygons

Usage

extract_at(
  vector = NULL,
  raster = NULL,
  id = NULL,
  func = "mean",
  mode = c("polygon", "buffer"),
  ...
)

Arguments

vector: sf/SpatVector object.
raster: SpatRaster object. or file path(s) with extensions that are GDAL-compatible.
id: character(1). Unique identifier of each point.
func: function taking one numeric vector argument.
mode: one of "polygon" (generic polygons to extract raster values with) or "buffer" (point with buffer radius)
...: Placeholder. See ?extract_at_buffer for details.

Value

A data.frame object with summarized raster values with respect to the mode (polygon or buffer) and the function.

See also

extract_at_poly, extract_at_buffer

Other Macros for calculation: extract_at_buffer(), extract_at_poly(), kernelfunction(), summarize_aw(), summarize_sedc()

Author

Insang Song geoissong@gmail.com

Examples

## See ?extract_at_poly and ?extract_at_buffer