Journal
COMPUTERS & GEOSCIENCES
Volume 33, Issue 5, Pages 666-677Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cageo.2006.09.007
Keywords
simplification; shoreline; mesh generation; ocean modelling
Funding
- NERC [NE/C521028/1] Funding Source: UKRI
- Natural Environment Research Council [NE/C52101X/1, NE/C521028/1] Funding Source: researchfish
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A new method for approximating shorelines (polygons and polylines) is presented. The algorithm differs from the commonly used Douglas-Peucker type algorithms as the method can approximate to some feature error given the constraint that edge-lengths must satisfy some minimum-edge-length criteria. This constraint is necessary for the shoreline approximation to be useful for unstructured mesh generation for ocean modelling. In addition the method applies local optimisations to iteratively improve the shoreline approximation. Applications of the method are presented. (c) 2006 Elsevier Ltd. All rights reserved.
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