MEGIS is pleased to provide a new, updated orthoviewer application.  The
original orthoviewer application is to be retired within 3 weeks, likely
on February 19.  The new orthoviewer includes all the imagery that is
available via WMS, and the ability to download image tiles for most
imagery layers.
 
The orthoviewer can be accessed from http://megis.maine.gov/maps
 
A few hints (which may not have yet made it into the Help system)...
 
Click on 'Zoom to a Town' and you'll get a pick-list of towns to zoom
to.  It will zoom to the town, highlight it for a few seconds and then
draw your background.  Your selection will be saved in the 'Results'
pane until you are done.
 
To download image tiles, expand the layer you want by clicking on the
"+" sign next to it in the "Map Contents" and turn on the "Index" layer.
You will see the tile index drawn over the imagery.  Use the "Select
image for download" tool (the circle with the "i" in it) and click on a
tile you want, then click on the hyperlink returned to download it.
Images will be either SID or JP2.  You currently cannot select multiple
tiles to download, it's one at a time.
 
Each "layer" is a separate WMS layer, so if you turn them all on at
once, you're going to be waiting a while.  For best performance, only do
a few at a time.
 
There is an idle timeout for the application, if you are away from it
for more than 10 minutes it will cease functioning, you can 'refresh' to
get it working again in a new session.
 
MEGIS will keep both the "old" and the "new" orthoviewers running until
February 19.  We would be pleased to hear any feedback to help improve
the new orthoviewer.
 
(and thanks to Bob Bistrais for whipping this together)
 
**********
Michael Smith
State GIS Manager
Maine Office of GIS
State House Station 174
264 Civic Center Drive
Augusta ME 04333-0174
(207) 215-5530

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