|
|
| GeoCommunity Mailing List |
| |
| Mailing List Archives |
| Subject: | RE: [gislist] RE: GISList: Cartography and Data Viewer |
| Date: |
08/29/2003 03:55:01 PM |
| From: |
Dimitri Rotow |
|
|
>
> Some responses to various things in this thread:
>
> If you want NASA-EOS data via ftp try these sites:
> http://daac.gsfc.nasa.gov/data/datapool/
> http://edcdaac.usgs.gov/tutorial/datapool.html
> http://eosweb.larc.nasa.gov/HPDOCS/datapool/
> http://nsidc.org/data/data_pool/
> The total data available at these sites is on the order of 100 TB
>
> Regarding wms.jpl.nasa.gov: The emphasis of that effort is not on the user
> interface, but rather on a mosaic of Landsat images accessable through
> OpenGIS WMS. Currently under development is a global mosaic of 8,600
> Landsat 7 orthorectified scenes. While under development parts of the
> global mosaic can be viewed using a more capable client at:
> http://viewer.digitalearth.gov/viewer.cgi?gotocontext=us_landsat7.xml
> http://viewer.digitalearth.gov/viewer.cgi?gotocontext=africa.xml
> But any client is able to use the server interface at
> wms.jpl.nasa.gov using
> the OpenGIS Web Map Service.
>
>
George,
Thanks for the EOS links - it's a good example how simple technology (html
pages used as a front end for ordinary FTP) can be used to distribute lots
of data and they provide an instructive contrast to the JPL/NASA/Landsat
sites.
Regarding jpl. OK, so they support access via WMS. That means they can be
used by less than 1/100th of 1% of GIS users. This is a design to keep the
data closed. For the other 99.99% of GIS users, why don't they just put the
8,600 Landsat images on an FTP site somewhere? They could have done that
and made it a truly open site for a fraction of their cost in creating the
wms site.
I say the JPL Landsat thing is a classic example of what happens when people
are not held accountable for utterly failing to meet their mission (crafting
something usable by .01 % of GIS users while denying data to 99.99% of users
is a miserable failure).
There are plenty of government agencies serving data in an open fashion
today, just like the various USGS web sites, the EOS datapool sites and
others. What is it going to take to get NASA to provide the Landsat data in
an open way?
Cheers,
Dimitri
_______________________________________________
gislist mailing list
gislist@lists.geocomm.com
http://lists.geocomm.com/mailman/listinfo/gislist
_________________________________
This list is brought to you by
The GeoCommunity
http://www.geocomm.com/
Get Access to the latest GIS & Geospatial Industry RFPs and bids
http://www.geobids.com
|
|
Sponsored by:
For information
regarding
advertising rates
Click Here!
|
