Fig. 3From: A road network simplification algorithm that preserves topological propertiesVisualization of original and simplified road networks. Left column (a, d, g): input network, middle column (b, e, h): simplified by the proposed method, right column (c, f, i): simplified by omitting all residential road. Top row (a, b, c): Davis, middle row (d, e, f): Portales, bottom row (g, h, i): PetalumaBack to article page