Package index • drift

Fetch land cover and imagery

dft_stac_fetch(): Fetch STAC-hosted rasters via gdalcubes
dft_stac_composite(): Fetch dated, cloud-masked reflectance composites from a STAC catalog
dft_wayback_releases(): List the Esri World Imagery Wayback releases
dft_wayback_captures(): Find the Esri Wayback captures that image each feature
dft_wayback_pick(): Pick, per feature, the capture nearest a date
dft_wayback_fetch(): Fetch an Esri Wayback release as a local raster around an AOI

dft_rast_transition(): Detect land cover transitions between two time steps
dft_transition_vectors(): Vectorize transition raster into individual change patches
dft_transition_artifact(): Tag transition patches with geometric misregistration evidence
dft_transition_attribute(): Attribute transition patches from an overlay polygon layer

dft_rast_break_class(): Detect sustained class switches across an annual classified series
dft_break_category(): Temporal category of every row of a break-class summary
dft_rast_break_category(): Temporal category of every pixel in a break-class scan
dft_break_strength(): How many observations a dated class switch held, either side

dft_accuracy_sample(): Draw a stratified random sample of points for accuracy assessment
dft_accuracy_labels(): Check a reference-label table against the accuracy-assessment contract
dft_accuracy_estimate(): Accuracy and error-adjusted area from a stratified reference sample
dft_accuracy_size(): Size and allocate a stratified accuracy sample

dft_map_interactive(): Interactive leaflet map for classified rasters and transitions