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A Scalable Tile Map Service for Distributing Dynamic Choropleth Maps (2008#13)

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Author Info
Charles R. Schmidt () (Arizona State University)
Boris Dev
Abstract

In this paper we propose a solution to several key limitations of current web based mapping systems: slow rendering speeds and the restriction of online map viewing to a small number of areal units as well as a limited number of users. Our approach is implemented as a Scalable Tile Map Service that distributes dynamic choropleth maps in real-time through a new caching methodology. This new Map Service lays the foundation for advances in web based applications reliant on dynamic map rendering such as emergency management systems and interactive exploratory spatial data analysis. We present the results of an empirical illustration in which this new methodology is used to facilitate collaborative decision making by visualizing spatial outcomes of simulation results on the fly.Â

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Publisher Info
Paper provided by GeoDa Center for Geospatial Analysis and Computation in its series GeoDa Center Working Papers with number 2008-13.

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Date of creation: 2008
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Handle: RePEc:asg:wpaper:2008-13

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C88 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Other Computer Software

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