[Geomoose-users] NASA OnEarth wms

Fri Jan 22 10:08:13 EST 2010

A little Googling (and a redirect) found it at:
http://collections.sdsc.edu/dac2/telascience/telascience_data/onearth/


Brent Fraser wrote:
> 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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