Online Information Dissemination at the Wisconsin State Cartographer’s Office Using Map Services and APIs
Since its creation in 1974, the Wisconsin State Cartographer’s Office has been responsible for disseminating information about the availability of geospatial resources for the state. Over time this activity has evolved from the production of paper catalogs to custom programming of Web-based mapping applications. From 1974 to 1993, the office published paper catalogs detailing the availability of aerial photography, maps and geospatial data, and geodetic control data for Wisconsin. With the 2011 release of the Wisconsin Historic Aerial Image Finder, and new versions of its ControlFinder and PLSSFinder applications, the State Cartographer’s Office has completed another chapter in its transition from paper maps to interactive Web-based mapping. These new “Finder” applications incorporate map services and commercial map APIs in an open source geospatial software framework for map-based information delivery over the Web. This chapter provides an overview of the SCO’s Web-based mapping applications, to demonstrate how Web-mapping technology has impacted service delivery to SCO customers, and affected data and software maintenance workflows and activities in the office.
KeywordsAerial Photography Geospatial Data Aerial Imagery Special Software Requirement Spatial Search
The projects summarized in this chapter build on the efforts of two previous Wisconsin State Cartographers, Arthur L. Ziegler and Ted Koch, and numerous SCO staff members and students. Brenda Hemstead and AJ Wortley in particular have been closely involved, as have numerous student assistants who have helped build, test and maintain the applications described here. The SCO’s efforts in Web-based delivery of geospatial data have been greatly facilitated by funding from the Federal Geographic Data Committee (http://www.fgdc.gov/grants) and the Ira and Ineva Reilly Baldwin Wisconsin Idea Endowment (http://www.provost.wisc.edu/baldwin/). Partners on the Baldwin Endowment project include the Department of Geography at the University of Wisconsin-Madison, the Arthur H. Robinson Map Library, and the University of Wisconsin Digital Collections Center. Editorial assistance for this chapter was provided by Brenda Hemstead, AJ Wortley, Jim Lacy, and Michael Bricknell. All attempts have been made to outline the SCO’s history and activities as accurately as possible based on staff memories and office publications. Any errors or omissions are the responsibility of the authors.
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