A data frame of coordinates and geometry classifiers of the garden state, South Australia.

Format

gardenstate is the geometry, a data frame with columns:

x,y

x and y coordinate

id

Key attribute for the objects

piece,part

Group attribute, unique values identify a closed ring, part is the part 'id' within an object

hole

Logical, FALSE for "island" vs. "hole"

order

Numeric value to identify sort order within branch

Details

The PROJ.4 string for this map is:

+ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs

Examples

gs <- ggplot(gardenstate)
gs <- gs + aes(x = x, y = y, group = group, fill = id)
gs +  geom_polypath() + geom_path()