Utilizing geometric coherence in the computation of map transformations

Authors:
Padraig Corcoran;Peter Mooney;Michela Bertolotto
Affiliations:
School of Computer Science and Informatics, University College Dublin, Ireland;Department of Computer Science, National University of Ireland Maynooth, Ireland;School of Computer Science and Informatics, University College Dublin, Ireland
Venue:
Computers & Geosciences
Year:
2012

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Abstract

Adaptive mapping and real-time spatial data delivery are currently major research topics in the fields of Web-GIS and Location Based Services (LBS). In order to successfully implement these paradigms a methodology to progressively adopt or transform an arbitrary map representation in an arbitrary fashion on-the-fly is necessary. Such a methodology was previously considered not feasible due to the high computational complexity associated with existing automated map generalisation methodologies. This paper presents a methodology, inspired by related research in the field of computer graphics, which offers the potential to reduce such associated computational complexity. This is achieved using an approach to map transformation which takes advantage of the geometric coherence between a user's spatial data requirements.