HyperSmooth: A System for Interactive Spatial Analysis Via Potential Maps

Authors:
Christine Plumejeaud;Jean-Marc Vincent;Claude Grasland;Sandro Bimonte;Hélène Mathian;Serge Guelton;Joël Boulier;Jérôme Gensel
Affiliations:
Laboratoire d'Informatique de Grenoble, Saint-Martin d'Hères, France 38402;Laboratoire d'Informatique de Grenoble, Saint-Martin d'Hères, France 38402;UMR Laboratoire Géographie-Cités, Paris, France 75006;Laboratoire d'Informatique de Grenoble, Saint-Martin d'Hères, France 38402;UMR Laboratoire Géographie-Cités, Paris, France 75006;Laboratoire d'Informatique de Grenoble, Saint-Martin d'Hères, France 38402;UMR Laboratoire Géographie-Cités, Paris, France 75006;Laboratoire d'Informatique de Grenoble, Saint-Martin d'Hères, France 38402
Venue:
W2GIS '08 Proceedings of the 8th International Symposium on Web and Wireless Geographical Information Systems
Year:
2008

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Abstract

This paper presents a new cartographic tool for spatial analysis of social data, using the potential smoothing method [10]. The purpose of this method is to view the spread of a phenomenon (demographic, economical, social, etc.) in a continuous way, at a macroscopic scale, from data sampled on administrative areas. We aim to offer an interactive tool, accessible through the Web, but ensuring the confidentiality of data. The biggest difficulty is induced by the high complexity of the calculus, dealing with a great amount of data. A distributed architecture is proposed: map computation is made on server-side, using particular optimization techniques, whereas map visualization and parameterisation of the analysis are done with a web-based client, the two parts communicating through a Web protocol.