Bringing Geospatial Data Closer to Mobile Users: A Caching Approach Based on Vector Tiles for Wireless Multihop Scenarios

Figure 10

Time cost from terminal’s view on showing the initial map (cache location varies at different zoom levels). Zoom level: (a) 13; (b) 14; (c) 15; (d) 16.

(a)

(b)

(c)

(d)