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- W2368068790 abstract "A global grid consists of a set of regions that form a partition of the earth's surface,octahedral quaternary triangular mesh(QTM),is one of hierarchical triangular tessellations.This paper presents an algorithm of QTM-based line simplification,which is built on the distribution characteristics of polyline vertices in a regular grid.The algorithm takes the average point number at every QTM level as criterion,automatically selects points in the bigger QTM facets for the smoother line segments and in the smaller grids for the relatively sinuous sections.Both Dutton's and our algorithms would overcome the difficultly of Douglas-Peucker method in determining thresholds.Compared with Dutton's algorithm,ours is easier to be implemented,and yield a larger reduction ratio and better perserve cartographic line characteristics." @default.
- W2368068790 created "2016-06-24" @default.
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- W2368068790 date "2005-01-01" @default.
- W2368068790 modified "2023-09-23" @default.
- W2368068790 title "Algorithm for automated line simplification based on QTM" @default.
- W2368068790 hasPublicationYear "2005" @default.
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