Function reference • hydrographr

All functions

crop_to_extent(): Crop raster to extent

download_test_data(): Download test data

download_tiles(): Download files of the Hydrography90m dataset

extract_from_gpkg(): Extract values from the stream order .gpkg files.

extract_ids(): Extract sub-catchment and/or basin IDs

extract_zonal_stat(): Calculate zonal statistics

get_catchment_graph(): Get catchment from stream network graph

get_centrality(): Get centrality indexes from stream network graph

get_distance(): Calculate euclidean or along the network distance between points located in one basin

get_distance_graph(): Get the distance in meters between stream segments along a network graph

get_distance_parallel(): Calculate euclidean or along the network distance between points

get_pfafstetter_basins(): Get Pfafstetter sub-basins

get_regional_unit_id(): Get Hydrography90m regional unit IDs

get_segment_neighbours(): Get stream segment neighbours

get_tile_id(): Get the Hydrography90m 20°x20° tile ID

get_upstream_catchment(): Delineate the upstream catchment

merge_tiles(): Merge raster or vector objects

read_geopackage(): Read a GeoPackage file

reclass_raster(): Reclassify a raster layer

report_no_data(): Report NoData value

set_no_data(): Set no data value

snap_to_network(): Snap points to stream segment based on distance or flow accumulation

snap_to_subc_segment(): Snap points to stream segment within the sub-catchment