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-[[!meta date="2017-10-17 20:35:40 +0800"]]
-
-[[!tag R spatial analysis visualisation]]
-How cool is this? A map of Western Australia with all state roads marked in only 5 lines of R!
-
-[[!format r """
-WARoads <- st_read(dsn = "data/", layer = "RoadNetworkMRWA_514", stringsAsFactors = FALSE)
-WALocalities <- st_read(dsn = "data/", layer = "WA_LOCALITY_POLYGON_shp", stringsAsFactors = FALSE)
-ggplot(WALocalities) +
-  geom_sf() +
-  geom_sf(data = dplyr::filter(WARoads, network_ty == "State Road"), colour = "red")
-"""]]
-
-[[Map of WA state roads|/pics/state-roads.png]]
-
-Courtesy of the development version of ggplot2 - geom_sf is not yet available in the version on CRAN.