View source: R/get_elev_raster.R
get_opentopo | R Documentation |
This function uses the Open Topography SRTM Version 3 files.
get_opentopo(locations, src, prj, expand = NULL, tmp_dir = tempdir(), ...)
locations |
Either a |
prj |
A valid input to |
expand |
A numeric value of a distance, in map units, used to expand the bounding box that is used to fetch the SRTM data. |
tmp_dir |
The location to store downloaded raster files. Defaults to a
temporary location. Alternatively, the user may supply an
existing path for these raster files. New folders are not
created by |
... |
Extra configuration parameters to be passed to httr::GET. Common
usage is to adjust timeout. This is done as
|
Attribution: Details here
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