[R-sig-Geo] modis download authentication

[Ben Tupper]

Hi,

RCurl's getBinaryURL() passes the '...' and '.opts' argument to RCurl's getURL().  The help page for getURL() shows an example that passes the username and password.

Will that do the trick?

Ben


> On Sep 8, 2016, at 7:16 AM, Luca Candeloro <luca.candeloro at gmail.com> wrote:
> 
> I used succesfully the function getBinaryURL from RCurl library to download
> .hdf file, as in:
> 
> content <- getBinaryURL("
> http://e4ftl01.cr.usgs.gov/MOLT/MOD11A2.005/2016.01.01/MOD11A2.A2016001.h18v04.005.2016012041335.hdf
> ")
> 
> Since http://e4ftl01.cr.usgs.gov/ has recently applied a login and pass
> authentication to retrieve data, the previous code doesn't work.
> It seems (from
> https://lpdaac.usgs.gov/sites/default/files/public/get_data/docs/Command%20Line%20Access%20Tips%20for%20Utilizing%20Earthdata%20Login.docx
> )
> that curl options should be necessarily  set.
> Does someone know how to correctly specify RCurl options in R, so that
> getBinaryURL works again?
> thanks,
> Luca
> 
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Ben Tupper
Bigelow Laboratory for Ocean Sciences
60 Bigelow Drive, P.O. Box 380
East Boothbay, Maine 04544
http://www.bigelow.org

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