[R-sig-Geo] MODIS download
Thiago Veloso
thi_veloso at yahoo.com.br
Thu Oct 27 15:13:59 CEST 2011
Dear Matteo, dear Barak and dear R-colleagues,
I am trying to use the scripts, but I am facing troubles to find the products I need - LAI (MOD15A2) and GPP (MOD17A2).
At the "ftp://e4ftl01.cr.usgs.gov" repository, subdirectories /MOLT/MOD15A2.005/date and /MOLT/MOD17A2.005/date only show me .jpg files. No HDF images are available.
Is there any trick to access the images or am I using the wrong url?
Thanks in advance and best wishes,
Thiago.
--- On Thu, 27/10/11, Matteo Mattiuzzi <matteo.mattiuzzi at boku.ac.at> wrote:
> From: Matteo Mattiuzzi <matteo.mattiuzzi at boku.ac.at>
> Subject: [R-sig-Geo] MODIS download
> To: r-sig-geo at r-project.org
> Date: Thursday, 27 October, 2011, 9:37
>
> Dear list, dear Babak
>
> I recently created a package that also downloads Modis-grid
> data. I was
> waiting for the communication to the list until more tests
> have been
> absolved. But now test could now be made by interested
> people. The
> package works slightly different than the script of Babak,
> so I hope
> that we didn’t do the work totally twice.
> The origin of the “getMODIS” package is also in Hengels
> (great thanks)
> code but the capabilities have been enhanced.
>
> The package has been tested with Linux and Windows 7 and it
> works fine,
> but tests are still going on! (At the moment wget is used
> for download
> the files so probably you have to install it first on your
> machine
> (thanks Pieter Beck for reminding me that)
> If you wish to use MRT capabilities you need to install it
> as well (+
> set the path to MRT!)
>
> > install.packages("getMODIS", repos="http://R-Forge.R-project.org")
>
> The purpose of teh package is:
> - to get a local MODIS data archive (so only parts of the
> online pool)
> by simple subst. Everything what is available locally is
> not downloaded
> again! The main sub setting information is: Product, period
> and extent.
> The package can use objects from raster package, all
> raster* objects or
> the extent(raster*), or the “national boundaries” file
> (worldHires) from
> the mapdata package as extent information.
>
> - to use MRT capabilites
>
> MRT is not fully implemented yet (tested only with
> geographic LatLon
> and UTM projection as output. My personal priority list can
> be modified
> by tester whishes).
> The manual can be downloaded here:
> http://www.wuala.com/MatteoMattiuzzi/getMODIS/
> A stepwise how to is missing yet, as soon as my time allows
> I’ll create
> it.
> I’m happy for any feedback!
> Matteo Mattiuzzi
>
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>
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