[Geomoose-users] Web Mercator
Heather Wirth
HWIRTH at co.benton.mn.us
Tue Apr 6 08:16:03 EDT 2010
We re-projected the parcel layer that comes with the web mercator
download, hoping that if we could get the demo layer to work, we could
add other layers. After making that change, changing the extent in the
mapfile (to the "zoom to parcel data" extent from the mapbook), and
removing any reference to EPSG 26915 (also tried changing those
references to 900913) all we get is the pink screen.
Are we missing something easy?
Also, we noticed in the mapbook's map-source that the parcel layer type
is wms; is there a reason to not use the mapserver type?
Thanks for your help.
Heather
>>> Len Kne <lkne at houstoneng.com> 4/5/2010 1:11 PM >>>
Hi HeatherThe web Mercator demo re-projects the county boundaries on
the client side (that is with GeoMOOSE using OpenLayers). Ive not seen
good results re-projecting on the client and can recommend two
options:1. Re-project the layers will use in GeoMOOSE to the web
Mercator projection (in Arc, it is web Mercator (auxiliary sphere)).
This will give the best performance as the layers will not have to be
re-projected every time there is a map redraw.2. Do the
re-projection in the map file.LenFrom: Heather Wirth
[mailto:HWIRTH at co.benton.mn.us]
Sent: Monday, April 05, 2010 12:57 PM
To: geomoose-users at lists.sourceforge.net
Subject: [Geomoose-users] Web Mercator
We are just starting to look at the web mercator download and demo,
and noticed that there seems to be a problem with how everything lines
up. For instance, if I use the "Jump To" to zoom to the full state of
MN, the counties do not line up properly. Is there a fix for this? Any
help would be much appreciated.
Heather
---------------
Heather Wirth
Benton County GIS Specialist
7752 Highway 25 NE, PO Box 247
Foley, MN 56329
Phone: 320-968-5168
Fax: 320-968-5333
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