Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/31229
Title: A stroke-based method for automated generation of schematic network maps
Authors: Li, Z 
Dong, W
Keywords: Fractal analysis
Progressive generalization
Schematic maps
Stroke
Issue Date: 2010
Publisher: Taylor & Francis
Source: International journal of geographical information science, 2010, v. 24, no. 11, p. 1631-1647 How to cite?
Journal: International journal of geographical information science 
Abstract: This article deals with the graphic simplification of a network by schematization. A new method employing a stroke-based and progressive strategy is proposed to generate schematic network maps. This method treats a stroke (which is a long line with segments concatenated together) as a basic unit for the implementation. The procedure is as follows: (a) strokes are formed fromline segments, (b) the strokes are re-orientated along grid lines and/or diagonals, and (c) two endpoints and all intersection points on (sub-)strokes are projected onto reoriented straight lines, and (d) spatial inconsistency is detected and resolved.Amethodology for each of these steps is described. This new method has been tested with a set of real-life road network data and evaluated by fractal analysis and empirical study. Experimental results show that this new method is more effective than segment-based methods and is able to produce graphics with great simplicity and clarity. Based on the results obtained, the strokebased schematization with four primary directions is recommended.
URI: http://hdl.handle.net/10397/31229
ISSN: 1365-8816
EISSN: 1362-3087
DOI: 10.1080/13658811003766936
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