Description Usage Arguments Details See Also Examples
ppoints
draws a sequence of points for projected
coordinates.
1 |
x |
coordinate vectors of points to plot. |
y |
coordinate vectors of points to plot. |
type |
character indicating the type of plotting; actually any of
the |
proj |
A character string indicating what projection should be
used for the included |
... |
Further graphical parameters passed to the
|
The mapproject
function is used for
projection.
1 2 3 4 5 6 7 8 | data(narccap)
# plot image using bonne projection (w/o grid lines)
pimage(lon, lat, tasmax[,,1], proj = "bonne",
parameters = 40, paxes.args = list(grid = FALSE))
# get U.S. cities with population of about 40k or more
data(us.cities, package = "maps")
# add cities to existing plot
ppoints(us.cities$long, us.cities$lat, proj = "bonne")
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