Function reference • rsi

Spectral indices

spectral_indices(): Get a data frame of spectral indices

calculate_indices(): Calculate indices from the bands of a raster

filter_platforms() filter_bands(): Filter indices based on (relatively) complicated fields

spectral_indices_url(): Get the URL to download spectral indices from

STAC data

get_stac_data() get_sentinel1_imagery() get_sentinel2_imagery() get_landsat_imagery() get_naip_imagery() get_alos_palsar_imagery() get_dem(): Retrieve raster data from STAC endpoints

Band mappings

alos_palsar_band_mapping: ALOS PALSAR band mapping

dem_band_mapping: Landsat band mapping

landsat_band_mapping: Landsat band mapping

sentinel1_band_mapping: Sentinel-1 band mapping

sentinel2_band_mapping: Sentinel-2 band mapping

Utilities

alos_palsar_mask_function(): Create an ALOS PALSAR mask raster from the mask band

landsat_mask_function(): Create a Landsat mask raster from the QA band

sentinel2_mask_function(): Create a Sentinel-2 mask raster from the SCL band

landsat_platform_filter(): Filter Landsat features to only specific platforms

rsi_download_rasters(): Download specific assets from a set of STAC items

rsi_query_api(): Query a STAC API using a specific spatiotemporal area of interest

sign_planetary_computer(): Sign STAC items retrieved from the Planetary Computer

stack_rasters(): Create and save a multi-band output raster by combining input rasters