Extract class table from STAC item metadata

Parses the classification:classes extension from STAC item properties to build a class lookup table with codes, names, and colors.

Usage

dft_stac_classes(items = NULL, source = "io-lulc")

Arguments

items

An rstac items collection returned by rstac::get_request() or rstac::items_sign(). Uses the first item's properties.

source

Character. Source name for CSV fallback lookup. One of "io-lulc" or "esa-worldcover". Only used when STAC metadata lacks classification info.

Value

A tibble with columns code (integer), class_name (character), color (character, hex), and description (character, may be NA).

Details

Falls back to a shipped CSV if STAC metadata is missing or incomplete.