Web mapping has become easier with the introduction of Adobe Flex, Microsoft Silverlight, and Java application programming interfaces (APIs). The programming framework is a free download, and the website can be created using data on a GIS server. Some of the sites below use this simple framework, while others include more custom programming.
The small City of Westerville, Ohio has a GIS web site that features several map products. They use the strategy of using only one theme per map.
Closer to home, both Lincoln Parish and Terrebonne Parish also have public map sites. These map sites follow the all-inclusive model, leaving it to the map user to turn desired layers on and off.
Lafayette Parish law enforcement has a public web site where users can search for a variety of incidents. The first screen is a tutorial of the site, and the other tabs lead you through building the query.
While providing information to the public is an important use of GIS, the same technology can be used for in-house viewing on a password-protected intranet.
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