Reference

Data Access Functions that help get access data. (all U.S. context)
get_3dhp()	Get 3DHP Data
discover_geoconnex_reference()	discover geoconnex reference feature layers
get_geoconnex_reference()	get geoconnex reference feature layers
download_nhdplushr()	Download NHDPlus HiRes
get_nhdplushr()	Get NHDPlus HiRes
get_hr_data()	Get NHDPlus HiRes Data
download_nhdplusv2()	Download seamless National Hydrography Dataset Version 2 (NHDPlusV2)
get_nhdplus()	Get National Hydrography Dataset V2 Subsets (Multirealization)
download_nhd()	Download NHD
download_rf1()	Download the seamless Reach File (RF1) Database
download_wbd()	Download the seamless Watershed Boundary Dataset (WBD)
download_vaa()	Download NHDPlusVAA data from HydroShare
get_vaa()	NHDPlusV2 Attribute Subset
get_xs_point()	Get Cross Section From Point (experimental)
get_xs_points()	Get Cross Section Endpoints (experimental)
get_elev_along_path()	Get Elevation Along Path (experimental)
rpu_boundaries	RPU Boundaries Raster Processing Unit boundaries
vpu_boundaries	VPU Boundaries Vector Processing Unit boundaries
get_boundaries()	Return RPU or VPU boundaries
get_characteristics_metadata()	Get catchment characteristics metadata table
get_catchment_characteristics()	Get Catchment Characteristics
rescale_catchment_characteristics()	Rescale Catchment Characteristics
Discovery and Subsetting Functions for finding and saving the part of the NHDPlus you are interested in working with. (All U.S. context)
subset_nhdplus()	Subset NHDPlus
make_standalone()	Make isolated NHDPlusHR region a standalone dataset
subset_rpu()	Subset by Raster Processing Unit
subset_vpu()	Subset by Vector Processing Unit
discover_nhdplus_id()	Discover NHDPlus ID
get_gagesII()	Find gagesII Features
get_huc()	Find WBD HUC unit subsets
get_nhdarea()	Find NHDPlusV2 Areas
get_waterbodies()	Find NHDPlusV2 Water Bodies
get_nwis()	Discover USGS NWIS Stream Gages
discover_nldi_characteristics()	(DEPRECATED) Discover Characteristics Metadata
get_nldi_characteristics()	(DEPRECATED) Get Catchment Characteristics
get_nldi_basin()	Get NLDI Basin Boundary
get_nldi_feature()	Get NLDI Feature
get_split_catchment()	Get split catchment
get_raindrop_trace()	Get Raindrop Trace
Indexing and Network Navigation Functions to index and match data to NHDPlus features. Most of these work with any data that fits the expected data model. Some are very specific to the NHDPlus data model but are not specific to a U.S spatial context.
get_flowline_index()	Get Flowline Index
reexports st_compatibalize rename_geometry get_node fix_flowdir rescale_measures get_hydro_location get_partial_length	Objects exported from other packages
get_waterbody_index()	Get Waterbody Index
get_wb_outlet()	Get Waterbody Outlet
get_nldi_index()	Get NLDI Index
disambiguate_flowline_indexes()	Disambiguate Flowline Indexes
get_path_lengths()	Get Path Lengths (DEPRECATED)
get_path_members()	Get Path Members (DEPRECATED)
Network Navigation Functions to traverse and return network subsets. All except navigate_nldi() have applicability outside the U.S. context.
get_DD()	Navigate Downstream with Diversions
get_DM()	Navigate Downstream Mainstem
get_UM()	Navigate Upstream Mainstem
get_UT()	Navigate Upstream with Tributaries
navigate_network()	Navigate Network
navigate_nldi()	Navigate NLDI
Package Helpers Functions that make the package easier to work with.
nhdplusTools_cache_settings()	nhdplusTools cache settings
reexports st_compatibalize rename_geometry get_node fix_flowdir rescale_measures get_hydro_location get_partial_length	Objects exported from other packages
align_nhdplus_names()	Align NHD Dataset Names
nhdplus_path()	NHDPlus Data Path
nhdplusTools_data_dir()	Get or set nhdplusTools data directory
plot_nhdplus()	Plot NHDPlus
map_nhdplus()	Make Interactive Map of NHDPlus
prepare_nhdplus()	Prep NHDPlus Data
get_vaa_names()	Available NHDPlusV2 Attributes
get_vaa_path()	File path to value added attribute (vaa) Cache
rescale_catchment_characteristics()	Rescale Catchment Characteristics
Network Attributes Functions that generate common river network attributes. These can be used with any data that adheres to the supported data model. See function documentation for specifics.
reexports st_compatibalize rename_geometry get_node fix_flowdir rescale_measures get_hydro_location get_partial_length	Objects exported from other packages
get_tocomid()	Get tocomid
make_node_topology()	get node topology from edge topology (DEPRECATED)
get_sorted()	Get Sorted Network
calculate_total_drainage_area()	Total Drainage Area
calculate_arbolate_sum()	Calculate Arbolate Sum
get_streamlevel()	Get Streamlevel
get_levelpaths()	Get Level Paths (DEPRECATED)
get_pathlength()	Get Path Length
get_streamorder()	Get Streamorder
get_terminal()	Get Terminal ID (DEPRECATED)
add_plus_network_attributes()	Add NHDPlus Network Attributes to a provided network.
get_pfaf()	Get Pfafstetter Codes (DEPRECATED)