get_vaa_path: File path to value added attribute (vaa) Cache
Description
nhdplusTools will download and cache an `fst` file with
NHDPlusV2 attribute data sans geometry. This function returns the
file path to the cached file. Will use the user data dir indicated
by nhdplusTools_data_dir.
Usage
get_vaa_path(updated_network = FALSE)
Value
character file path
Arguments
updated_network
logical default FALSE. If TRUE, returns path to updated
network parameters. See get_vaa for more.
Details
The VAA data is a aggregate table of information from the NHDPlusV2
elevslope.dbf(s), PlusFlowlineVAA.dbf(s); and NHDFlowlines. All data
originates from the EPA NHDPlus Homepage
here.
To see the location of cached data on your machine use
get_vaa_path.
To view aggregate data and documentation, see
here