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| A map service makes one or more spatial datasets (e.g. roads, land use, aerial photos) available directly over the Internet. Map services can be used by internet and desktop GIS clients such as ArcMap, MN Mapserver and Google Earth. This makes the sharing of GIS data easier and more flexible. |
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DataFinder has 35 map services available. We provide ArcIMS image and feature map services, as well as OGC-compliant WMS and WFS. A National Spatial Data Infrastructure (NSDI) grant (described below) provided essential support to MetroGIS enabling DataFinder to offer OGC-compliant map services.
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The Geography Network describes itself as, "... a global network
of geographic information users and providers. The Internet is used to deliver
geographic content to the user's browser and desktop." In Spring 2001, MetroGIS
registered its map services on the Geography Network as another way to inform
MetroGIS participants and others about the map services now offered on
DataFinder.
In addition, MetroGIS entered the Geography Network
Challenge, a worldwide competition among map services registered on the
Geography Network. The MetroGIS DataFinder Transportation Map service won
first place. The prize was presented to MetroGIS staff at the
ESRI 2001 User's Conference in San Diego. MetroGIS won $5000 in training
credits that will be used by about 50 MetroGIS participants to take ESRI
Virtual Campus Courses.
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MetroGIS applied for an National Spatial Data Infrastructure
(NSDI) grant to enhance the MetroGIS DataFinder website. The U. S. Department
of Interior has notified the Council that it was selected for a NSDI grant of
nearly $19,000. Council staff members Alison Slaats, Theresa Foster (no longer
with the Metropolitan Council) and Randall Johnson submitted a grant
application in March 2001.
The grant was used to develop the OGC-compliant map services offered on the DataFinder website. The goal of this grant is to ensure that any GIS software regardless of vendor will be able to use a DataFinder map services as long as that software adheres to the OGC web mapping service protocol. This project promised to deploy at least three OGC-compliant interactive map services. The result of the grant is that 35 OGC map services are available (including both image and feature services). The NSDI Grant has not only increased the ability of Twin Cities communities to use GIS data directly, but also ensure that users will have access to the same services regardless of their choice of GIS software
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" To view winning transportation map service and all other DataFinder map services, see the DataFinder services page.
To view the service in an online map, use the