a wrapper for DownloadSingleDEM that allows a vector of NTS sheets or USGS DEM tile names to be specified
1 | DownloadMultipleDEM(DEM, DEM_dir, force50k = F, product = "CDED")
|
DEM |
character string, name of DEM tile (e.g. '075C' or '014D03'). If specified as a 250k tile (4 characters), a 250k tile will be downloaded. If specified as a 50k tile (6 character) then a 50k tile will be downloaded. |
DEM_dir |
character string, path to directory where DEM tiles are stored. This function creates a nested file hierarchy that matches that of the FTP site. |
force50k |
logical, returns 50k tiles instead of 250k tiles even if the tiles are specified as 250k tiles. e.g. using "075C" would use 075C01, 075C02, 075C03 and so on. |
product |
either 'CDEM' or 'CDED'. Which dataset to download |
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