Functions to Automate Downloading Geospatial Data Available from Several Federated Data Sources


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Documentation for package ‘FedData’ version 1.0

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FedData-package Scripts to automate downloading geospatial data available from the several federated data sources
downloadGHCNDailyStation Download the daily data for a GHCN weather station.
downloadHUC4 Download a zipped directory containing a shapefile of the HUC4 subregions of the NHD.
downloadNEDTile Download a zipped tile from the 1 (~30 meter) or 1/3 (~10 meter) arc-second National Elevation Dataset.
downloadNHDSubregion Download a zipped NHD HUC4 subregion.
downloadSSURGOInventory Download a zipped directory containing a shapefile of the SSURGO study areas.
downloadSSURGOStudyArea Download a zipped directory containing the spatial and tabular data for a SSURGO study area.
extractSSURGOData Extract data from a SSURGO databse pertaining to a set of mapunits.
FedData Scripts to automate downloading geospatial data available from the several federated data sources
getGHCNDaily Download and crop the Global Historical Climate Network-Daily data.
getGHCNDailyStation Download and extract the daily data for a GHCN weather station.
getGHCNInventory Download and crop the inventory of GHCN stations.
getHUC4 Download and crop a shapefile of the HUC4 regions of the National Hydrography Dataset.
getNED Download and crop the 1 (~30 meter) or 1/3 (~10 meter) arc-second National Elevation Dataset.
getNEDTile Download and crop tile from the 1 (~30 meter) or 1/3 (~10 meter) arc-second National Elevation Dataset.
getNHD Download and crop the National Hydrography Dataset.
getNHDSubregion Download and crop data from a zipped HUC4 subregion of the National Hydrography Dataset.
getSSURGO Download and crop data from the NRCS SSURGO soils database.
getSSURGOInventory Download and crop a shapefile of the SSURGO study areas.
getSSURGOStudyArea Download and crop the spatial and tabular data for a SSURGO study area.
pkgTest Install and load a package.
polygonFromExtent Turn an extent object into a polygon
sequential.duplicated Get a logical vector of which elements in a vector are sequentially duplicated.
SPDFfromPolygon Turn an SpatialPolygons object into a SpatialPolygonsDataFrame.
substrRight Get the rightmost "n" characters of a character string.
wgetDownload Use the 'wget' command line tool to download a file.