hwyShp: Major Highways in Dallas County, TX

In TexMix: Supporting Functions and Data for Geo-Spatial Analytics Courses at UTDallas, Texas

Description

Basic line layer in the longitude and latitude format (see proj4string=CRS("+proj=longlat +ellps=WGS84")).

Examples

library(maptools)
validTractShp <- tractShp[!is.na(tractShp$BUYPOW), ]  # Remove 2 tracts with NA's
plot(tractShp, col="white", border="white", axes=TRUE,
     main="Dallas Census Tracts with Food Deserts")
plot(validTractShp, col="ivory2", border="white", add=TRUE)
plot(lakesShp, col="skyblue", border="skyblue",add=TRUE)
plot(hwyShp, col="cornsilk3", lwd=3, add=TRUE)
plot(foodDesertShp, border="magenta",lwd=2, add=TRUE)
plot(bndShp, border="black", add=TRUE)
box()

TexMix documentation built on March 1, 2020, 5:10 p.m.