<div dir="ltr">fwtool is really old so you should not use it and uninstall it.<div><br></div><div>You may want to use the R package Rgdal, but I have not used iit under windows.<div><br></div><div><a href="http://cran.r-project.org/web/packages/rgdal/index.html">http://cran.r-project.org/web/packages/rgdal/index.html</a><br>
</div></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Nov 25, 2013 at 6:16 AM, Lucia Rueda Ramirez <span dir="ltr"><<a href="mailto:lucia.rueda@ba.ieo.es" target="_blank">lucia.rueda@ba.ieo.es</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="ES" link="blue" vlink="purple">
<div>
<p><span lang="EN-US">Hi,<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">I am trying to read hdf4 files in R. I
have tried to install the gdal package from </span><a href="http://trac.osgeo.org/gdal/wiki/DownloadSource" target="_blank"><span lang="EN-US">http://trac.osgeo.org/gdal/wiki/DownloadSource</span></a><span lang="EN-US"> but I get an error message saying that the description file is
missing (Error: Does not appear to be an R package (no DESCRIPTION)).<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">I have also tried to load the hdf4 files
using the modis library and the code <u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">sds <-
getSds("C:/mypath/T20011612001168.L3m_8D_CHL_chlor_a_4km.hdf") <u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">But I get the following errors:<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">'FWTools/OSGeo4W' installation not found
or path not set.<u></u><u></u></span></p>
<p><span lang="EN-US">If you don't have installed one of them
you can get it from '<a href="http://fwtools.maptools.org/" target="_blank">http://fwtools.maptools.org/</a>' or
'<a href="http://trac.osgeo.org/osgeo4w/" target="_blank">http://trac.osgeo.org/osgeo4w/</a>'<u></u><u></u></span></p>
<p><span lang="EN-US">(recommanded)<u></u><u></u></span></p>
<p><span lang="EN-US">Trying to autodetect path to
'FWTools/OSGeo4W' (this may takes some time, you can interupt this process and
set it manually, see 'gdalPath' argument in '?MODISoptions':<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">Found 'FWTools' version: '1.7.0b2' to
enalbe this run:<u></u><u></u></span></p>
<p><span lang="EN-US"> MODISoptions(gdalPath='c:/Archivos de
programa/FWTools2.4.7/bin') Found 'OSgeo4W' version: '1:' in 'c:/OSGeo4W/bin'
but without HDF4 support...strange, try to remove and re-install 'OSgeo4W'!<u></u><u></u></span></p>
<p><span lang="EN-US">Error in getSds("C:/Documents and
Settings/lucia.rueda/Mis<u></u><u></u></span></p>
<p>documentos/MEDITS/tema_clorofila/T20011612001168.L3m_8D_CHL_chlor_a_4km.hdf")<u></u><u></u></p>
<p><span lang="EN-US">: <u></u><u></u></span></p>
<p><span lang="EN-US"> Method GDAL does not work. Is GDAL
installed properly on your system? Run:<u></u><u></u></span></p>
<p><span lang="EN-US">'checkTools()' to check out which metods
should work on your system!<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">I have already installed the
FWTools/OSGeo4W from the recommended url above though I got installation errors
as well...<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">Anyone with the same problem?? Any help
would be apreciated. I have gone through most forums but can't figure out how
to solve this.<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p>Thanks a lot<span class="HOEnZb"><font color="#888888"><u></u><u></u></font></span></p><span class="HOEnZb"><font color="#888888">
<p><u></u> <u></u></p>
<p>Lucia<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
</font></span></div>
</div>
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