Tomorrow at 5PM we will be updating the NAIP 2007 web mapping service
(for more detail see http://www.maine.gov/geolibrary/wms.htm).  This
update provides better color-balanced imagery and better spatial
accuracy.  The new imagery is based on the updated county mosaics
released by NRCS last Fall.
 
We also have added another zoom layer to the service.  As NAIP 2007 was
the very first WMS we prepared, it was a learning experience and we have
since learned that another overview level increases the performance of
the service.  However, this means existing documents you have will need
to remove and re-add the service for it to work right.  If you do not,
the 10-meter and 100-meter overviews that it used to have will no longer
be there (they are replaced with 5m, 25m, and 125m.  All of our other
services are overviewed in multipliers of 5, so this also will bring
NAIP 2007 in line with the others.
 
The solution is simply to remove the NAIP 2007 from your map or Google
Earth project and add it again.  The LYR and KML files will be updated
on the WMS web page at the same time tomorrow.
 
No other web services will be affected.
 
**********
Michael Smith
State GIS Manager
Member, Maine GeoLibrary Board
 
 

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