[Geomoose-users] NASA OnEarth wms

Thu Jan 21 16:52:02 EST 2010

Franz,

  It looks like the files are no long there.  I think they had some server
problems at Telescience a few months ago.  You could try contacting John
Graham (johng at telascience.org) to see if there's a new location.

Brent Fraser

> Hi Brent and all, I paid a visit to the hypersphere website to download a
> landsat tile or two and the download keeps being aborted. Is this to be
> expected? Otherwise I need sources to some background for the ghana,
> w-africa area. I'm kinda fed up with the nasa wms- i'm trying Brent's
> possible solution. Thanks. Franz
>
>> Date: Thu, 10 Dec 2009 08:12:25 -0700
>> From: bfraser at geoanalytic.com
>> To: richard.moore at mnsu.edu
>> CC: geomoose-users at lists.sourceforge.net
>> Subject: Re: [Geomoose-users] NASA OnEarth wms
>>
>> This is to be expected (I think).  The providers of the various WMS
>> servers
>> decide on which Spatial reference systems their data will be served in
>> (usually
>> one or two).  If it is not an SRS you like, with most browser-based WMS
>> clients
>> you cannot use the data.
>>
>>    With GeoMoose v2, Dan made an enhancement to warp the imagery from
>> the WMS
>> server SRS to the SRS you've selected in GeoMoose.  A simple warp is not
>> a
>> rigorous map projection, so the farther you zoom out the worst the warp
>> approximation is.
>>
>> Possible solutions:
>>    1. Set up your GeoMoose site to use the same SRS as the WMS servers
>> (4326? yuck!)
>>    2. Pass the WMS stream through Mapserver to re-project it (use
>> Mapserver as a
>> WMS client, then serve it up to GeoMoose).
>>    3. Serve the data yourself: Dowload the Landsat data from
>> http://hypersphere.telascience.org/onearth/.  Then combine the bands for
>> natural
>> color, fuse the pan band to increase the resolution from 30m to 15m,
>> then do
>> some color adjusting (yikes!).
>>
>> Best Regards,
>> Brent Fraser
>>
>> Moore, Richard J wrote:
>> > Hello all,
>> >
>> >
>> >
>> > I want to ask a question about the NASA Global Mosaic and how it
>> doesn’t
>> > match up with the data at a statewide zoom and and farther out.  I
>> added
>> > a layer EROS that uses the projection 4326 and added it similarly to
>> the
>> > mapbook.xml as the global mosaic.  At the statewide zoom, the images
>> and
>> > the county layers do not match up.  As you zoom in, the lines approach
>> > the correct placement on the map.
>> >
>> >
>> >
>> > You can see the example of this at this site.
>> > http://gis.wrc.mnsu.edu/mrmp/geomoose.html
>> >
>> >
>> >
>> > I noticed Devon Piernot had an issue with this on October 15, 2009 and
>> > didn’t see a response on the forums to his question.  Also, Efstathios
>> > Arapostathis remarked about having problems with this also.  I just
>> > installed GM 2.0.1 yesterday and had only made changes to the
>> > mapbook.xml by adding some layers.
>> >
>> >
>> >
>> > Any suggestions?  I can send the mapbook if need be.
>> >
>> >
>> >
>> > Thanks,
>> >
>> >
>> >
>> > Rick
>> >
>> >
>> >
>> > Rick Moore
>> >
>> > GIS Research Analyst
>> >
>> >
>> >
>> > Water Resources Center
>> >
>> > 184 Trafton Science Center South
>> >
>> > Minnesota State University, Mankato
>> >
>> > Mankato, MN   56001
>> >
>> >
>> >
>> > (507) 389-3267
>> >
>> > richard.moore at mnsu.edu
>> >
>> > http://mavdisk.mnsu.edu/moorer2/
>> >
>> >
>> >
>> > *From:* Devon Piernot [mailto:piernotd at uwplatt.edu]
>> > *Sent:* Thursday, October 15, 2009 6:12 PM
>> > *To:* geomoose-users
>> > *Subject:* [Geomoose-users] NASA OnEarth wms
>> >
>> >
>> >
>> > First off, thank you to everyone who has helped my application get
>> this far.
>> >
>> > As with the demo, I am trying to use the NASA global mosaic in my
>> > geomoose application, but I may be having some problems with
>> > projections.  I have defined EPSG:3071, which is the Wisconsin
>> > Transverse Mercator http://www.spatialreference.org/ref/epsg/3071/ and
>> > all of my own data is in this projection, but the global mosaic does
>> not
>> > recognize it.  When I leave the wms in EPSG:4326 the image shows up,
>> but
>> > it matches the map less and less at smaller scales.  This can be seen
>> on
>> > the demo here: http://gis.swwrpc.org/geomoose2/geomoose.html (zoom in
>> > and it looks ok, but zoom out and it is way off).
>> >
>> > I see that the default projection for the global mosaic is EPSG:4326,
>> > does this mean that I cannot reproject it in geomoose 2.0?
>> >
>> > I followed the instructions here:
>> > http://www.geomoose.org/moose/howto/wms_project.html but to no avail,
>> > which makes me believe it could be a problem with my configuration
>> > somehow.  Should I instead write a mapfile to take the wms?
>> >
>> > Here is the code from my mapbook (with the default projection):
>> > <map-source name="nasa" type="wms" tiled="false"
>> projection="EPSG:4326">
>> >         <url>http://wms.jpl.nasa.gov/wms.cgi</url>
>> >         <layer name="global_mosaic"/>
>> >         <param name="format" value="image/jpeg" reproject="true"/>
>> >     </map-source>
>> >
>> > ...and here is my projection:
>> > Proj4js.defs["EPSG:3071"] = "+title= NAD83(HARN) / Wisconsin
>> Transverse
>> > Mercator +proj=tmerc +lat_0=0 +lon_0=-90 +k=0.9996 +x_0=520000
>> > +y_0=-4480000 +ellps=GRS80 +units=m +no_defs";
>> >
>> >
>> > Thank you all for your help
>> >
>> > --
>> >
>> > Devon Piernot
>> > GIS / Web Developer
>> > Southwestern Wisconsin Regional Planning Commission
>> > (608) 342-6065
>> > piernotd at uwplatt.edu <mailto:piernotd at uwplatt.edu>
>> > www.swwrpc.org <http://www.swwrpc.org>
>> >
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>> >
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