, Volume 12, Issue 1, pp 73–89

A Multi-parameter Approach to Automated Building Grouping and Generalization


    • School of Mathematics, Physics and Software EngineeringLanzhou Jiaotong University
    • GIS Division, Department of GeographyUniversity of Zurich
  • Robert Weibel
    • GIS Division, Department of GeographyUniversity of Zurich
  • Bisheng Yang
    • State Key Laboratory of Information Engineering in Surveying, Mapping and Remote SensingWuhan University

DOI: 10.1007/s10707-007-0020-5

Cite this article as:
Yan, H., Weibel, R. & Yang, B. Geoinformatica (2008) 12: 73. doi:10.1007/s10707-007-0020-5


This paper presents an approach to automated building grouping and generalization. Three principles of Gestalt theories, i.e. proximity, similarity, and common directions, are employed as guidelines, and six parameters, i.e. minimum distance, area of visible scope, area ratio, edge number ratio, smallest minimum bounding rectangle (SMBR), directional Voronoi diagram (DVD), are selected to describe spatial patterns, distributions and relations of buildings. Based on these principles and parameters, an approach to building grouping and generalization is developed. First, buildings are triangulated based on Delaunay triangulation rules, by which topological adjacency relations between buildings are obtained and the six parameters are calculated and recorded. Every two topologically adjacent buildings form a potential group. Three criteria from previous experience and Gestalt principles are employed to tell whether a 2-building group is ‘strong,’ ‘average’ or ‘weak.’ The ‘weak’ groups are deleted from the group array. Secondly, the retained groups with common buildings are organized to form intermediate groups according to their relations. After this step, the intermediate groups with common buildings are aggregated or separated and the final groups are formed. Finally, appropriate operators/algorithms are selected for each group and the generalized buildings are achieved. This approach is fully automatic. As our experiments show, it can be used primarily in the generalization of buildings arranged in blocks.


Gestalt principlesbuilding groupingdirectional relationsmap generalization

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© Springer Science+Business Media, LLC 2007