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Shape-aware line generalisation with weighted effective area

Zhou, Sheng and Jones, Christopher 2005. Shape-aware line generalisation with weighted effective area. Presented at: 11th International Symposium on Spatial Data Handling, Leicester, UK, 23 - 25 August 2004. Published in: Fisher, Peter F. ed. Developments in Spatial Data Handling. Berlin: Springer, pp. 369-380. 10.1007/3-540-26772-7_28

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Abstract

Few line generalisation algorithms provide explicit control over the style of generalisation that results. In this paper we introduce weighted effective area, a set of area-based metrics for cartographic line generalisation following the bottom-up approach of the Visvalingam-Whyatt algorithm. Various weight factors are used to reflect the flatness, skewness and convexity of the triangle upon which the Visvalingam-Whyatt effective area is computed. Our experimental results indicate these weight factors may provide much greater control over generalisation effects than is possible with the original algorithm. An online web demonstrator for weighted effective area has been set up.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Computer Science & Informatics
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Publisher: Springer
ISBN: 9783540226109
Last Modified: 04 Jun 2017 04:44
URI: http://orca-mwe.cf.ac.uk/id/eprint/43781

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