geodata: elevation – R documentation

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elevation

Elevation

Description

Get elevation data for any country in the world. The main data source is Shuttle Radar Topography Mission (SRTM) , specifically the hole-filled CGIAR-SRTM (90 m resolution) https://srtm.csi.cgiar.org/. These data are only available for latitudes between -60 and 60.

The 1 km (30 arc seconds) data were aggregated from SRTM 90 m resolution data and supplemented with the GTOP30 data for high latitudes (>60 degrees).

Usage

elevation_3s(lon, lat, path)
elevation_30s(country, path, mask=TRUE, subs="")
elevation_global(res, path)

Arguments

`lon`	numeric. Longitude
`lat`	numeric. Latitude
`path`	character. Path where to download the data to
`country`	character. Country name or code
`mask`	logical. set grid cells outside of the country boundaries to NA
`subs`	character
`res`	numeric. Valid resolutions are 10, 5, 2.5, and 0.5 (minutes of a degree)

Value

RasterLayer

Author(s)

Robert Hijmans, Aniruddha Ghosh, Alex Mandel

Examples

## Not run: 
elevation_30s(country="FRA", path=tempdir() )

## End(Not run)

geodata

Download Geographic Data

v0.2-3

GPL (>= 3)

Authors

Robert J. Hijmans [cre, aut], Aniruddha Ghosh [ctb], Alex Mandel [ctb]

Initial release

2021-05-26