polygon_from_extent

Turn an extent object into a polygon

internal

Download geospatial data available
from several federated data sources (mainly sources maintained by the
US Federal government). Currently, the package enables extraction from
nine datasets: The National Elevation Dataset digital elevation
models (<https://www.usgs.gov/3d-elevation-program> 1 and 1/3 arc-second;
USGS); The National Hydrography Dataset
(<https://www.usgs.gov/national-hydrography/national-hydrography-dataset>;
USGS); The Soil Survey Geographic (SSURGO) database from the National
Cooperative Soil Survey (<https://websoilsurvey.sc.egov.usda.gov/>; NCSS),
which is led by the Natural Resources
Conservation Service (NRCS) under the USDA;
the Global Historical Climatology Network (<https://www.ncei.noaa.gov/products/land-based-station/global-historical-climatology-network-daily>; GHCN), coordinated by National Climatic Data
Center at NOAA; the Daymet gridded estimates of daily weather
parameters for North America, version 4, available from the Oak Ridge
National Laboratory's Distributed Active Archive Center
(<https://daymet.ornl.gov/>; DAAC); the
International Tree Ring Data Bank; the National Land Cover
Database (<https://www.mrlc.gov/>; NLCD); the Cropland Data Layer from the National Agricultural
Statistics Service (<https://www.nass.usda.gov/Research_and_Science/Cropland/SARS1a.php>; NASS);
and the PAD-US dataset of protected area boundaries (<https://www.usgs.gov/programs/gap-analysis-project/science/pad-us-data-overview>; USGS).

R. Bocinsky

FedData

Download Geospatial Data Available from Several Federated Data
Sources

Dylan Beaudette

Scott Chamberlain

Jeffrey Hollister

Julia Gustavsen

polygon_from_extent function

<dl><dt>x</dt>
<dd>An object from which an bounding box object can be retrieved.</dd>
<dt>proj4string</dt>
<dd>A PROJ.4 formatted string defining the required projection.</dd></dl>

Arguments

Turn an extent object into a polygon — polygon_from_extent

<dl>

<dt>x</dt>
<dd>An object from which an bounding box object can be retrieved.</dd>


<dt>proj4string</dt>
<dd>A PROJ.4 formatted string defining the required projection.</dd>

</dl>

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polygon_from_extent: Turn an extent object into a polygon

Description

Usage

Value

Arguments