<div dir="ltr">Hi Reinoud:<div><br></div><div>I've had moderate success using the info and JAR file found here:<br><a href="http://www.ssec.wisc.edu/visit/netcdf/">http://www.ssec.wisc.edu/visit/netcdf/</a><br></div><div>
<br></div><div>It converts the GOES East/West, MTSTAT, and METEOSAT data to netCDF.</div><div>I can then use gdaldem to get an image. I'm working on assigning the SRS info now, thanks to Simon's suggestions.</div>
<div><br></div><div>Jerl</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Oct 28, 2013 at 10:55 AM, Reinoud Bokhorst <span dir="ltr"><<a href="mailto:reinoud.bokhorst@bmtargoss.com" target="_blank">reinoud.bokhorst@bmtargoss.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<div>Dear Jerl, Simon,<br>
Apologize for mixing into this thread but I am currently
investigating how to process EUMETCAST data to more usuable
formats like NetCDF and GeoTIFF. The data stream contains MSG
HRIT data and GOES15/17 + MTSAT2 LRIT data. I'll also need to
reproject like you do so this post already proves useful!<br>
<br>
I can read the MSG data trough gdal/meteosatlib but I can't read
the GOES and MTSAT2 LRIT data yet. Do you perhaps have some useful
pointers to software to use? Online documentation is rather
scarce...<br>
<br>
Thanks Reinoud<div><div class="h5"><br>
<br>
<br>
<br>
On 10/28/2013 04:41 PM, Jerl Simpson wrote:<br>
</div></div></div>
<blockquote type="cite"><div><div class="h5">
<div dir="ltr">Thanks Simon!
<div><br>
</div>
<div>I'll give it a shot. Meteosat is definitely a pain, and
it's one of the satellites I'm working with.</div>
<div><br>
</div>
<div>If you don't mind me asking, what do you typically have in
your -a_ullr designation for gdal_translate? Or are you
pulling out sections and it varies? I'd like to get the full
image, if possible.</div>
<div><br>
</div>
<div>Thanks again!</div>
<div><br>
</div>
<div>Jerl</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Mon, Oct 28, 2013 at 10:33 AM, Simon
Richard Proud <span dir="ltr"><<a href="mailto:srp@geo.ku.dk" target="_blank">srp@geo.ku.dk</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<div style="direction:ltr;font-size:10pt;font-family:Tahoma">Hi
Jerl,
<div>We work with Meteosat data in full disk projection
and it's a bit of a headache! Try these commands in
GDAL and see if they work for you:</div>
<div>
<div><br>
</div>
<div>gdal_translate -a_srs "+proj=geos +a=6378169
+b=6356583.8 +lon_0=9.49 +h=35785831" -a_ullr
$up_left_x $up_left_y $low_rig_x $low_rig_y $INFILE
$TEMPFILE</div>
<div>gdalwarp -s_srs '+proj=geos +lon_0=9.49
+h=35785831 +x_0=0.0' -t_srs '+proj=latlong
+datum=WGS84' -tr 0.01 0.01 -te 0 20 70 70 -order
3 <span style="font-size:10pt">$TEMPFILE $OUTFILE</span></div>
<div><span style="font-size:10pt"><br>
</span></div>
<div><span style="font-size:10pt">Just remember to
change the +lon_0 to whatever you need for GOES.
Also change the -tr and -te for gdal :-) You can
also add +lat_0 but to be honest I never found it
made a difference (perhaps it is ignored?)</span></div>
<div><span style="font-size:10pt"><br>
</span></div>
<div><span style="font-size:10pt">Cheers,</span></div>
<div><span style="font-size:10pt">Simon</span></div>
<div><br>
</div>
<div style="font-size:16px;font-family:Times New Roman">
<hr>
<div style="direction:ltr"><font color="#000000" face="Tahoma"><b>Fra:</b> <a href="mailto:gdal-dev-bounces@lists.osgeo.org" target="_blank">gdal-dev-bounces@lists.osgeo.org</a>
[<a href="mailto:gdal-dev-bounces@lists.osgeo.org" target="_blank">gdal-dev-bounces@lists.osgeo.org</a>]
på vegne af Jerl Simpson [<a href="mailto:jsimpson@wxtrends.com" target="_blank">jsimpson@wxtrends.com</a>]<br>
<b>Sendt:</b> 28. oktober 2013 16:17<br>
<b>Til:</b> <a href="mailto:gdal-dev@lists.osgeo.org" target="_blank">gdal-dev@lists.osgeo.org</a><br>
<b>Emne:</b> [gdal-dev] Satellite projections<br>
</font><br>
</div>
<div>
<div>
<div>
<div dir="ltr">Hi guys:<br>
<div><br>
</div>
<div>I have a few data sets that come from
the GOES satellites (Full Disk) and a
couple others. I can use one of the
SSEC's programs to convert from their
format to a netCDF. No useful SRS info
comes along in the conversion.</div>
<div><br>
</div>
<div>I've applied an SRS to them using
gdal_translate and PROJ.4 that looks like:<br>
<br>
"+proj=ortho +lon_0=-79.8 +lat_0=.208"
(lon/lat is the position of one of the
satellites)<br>
</div>
<div><br>
</div>
<div>(I've also tried):</div>
<div>+proj=ortho +datum=WGS84 +ellps=WGS84
+lon_0=-79.8 +lat_0=.208<br>
</div>
<div><br>
</div>
<div>I'm wanting to get them into EPSG:4326.
When I do this, I end up with corner
coordinates of a very small area just
below the satellites position. </div>
<div><br>
</div>
<div>Does anyone have an suggestions that
might help me warp this into
position? I'm sure there's something
obvious that I'm missing.</div>
<div>I found this page, and the
copied/pasted bit about the projection,
but my attempts have not been successful.</div>
<div><br>
</div>
<div><a href="http://www.gdal.org/frmt_msg.html" target="_blank">http://www.gdal.org/frmt_msg.html</a><br>
</div>
<div>
<div><i>Georeference and Projection</i></div>
<div><i><br>
</i></div>
<div><i>The images are using the
Geostationary Satellite View
projection. Most GIS packages don't
recognize this projection (we only
know of ILWIS that does have this
projection), but gdalwarp.exe can be
used to re-project the images.</i></div>
</div>
<div><i><br>
</i></div>
<div>Thanks!</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<br clear="all">
</div>
</blockquote>
</div>
<br>
<br clear="all">
<div><br>
</div>
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<div>
<p style="font-size:13px;font-family:arial,sans-serif;margin:0px"><font color="#1f497d">Jerl Simpson</font></p>
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<pre cols="72">--
Reinoud Bokhorst
Advisor Oceanography & ICT
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<font color="#1f497d">Sr. Systems Engineer</font></p><p style="margin:0px;color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="color:rgb(31,73,125)">Weather Trends International</span></p>
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