| project.Map {TeachingDemos} | R Documentation |
Apply the mapproject function from the mapproj library
to Map objects from the maptools library.
project.Map(Map, projection = "", parameters = NULL, orientation = c(90, 0, 0))
Map |
A Map object. |
projection |
See mapproject |
parameters |
See mapproject |
orientation |
See mapproject |
This function takes a Map object and applies mapproject
from the mapproject library to it.
An object of class Map with the coordinates transformed.
This is beta level software and will someday be superceded by the
spproj package.
Greg Snow greg.snow@intermountainmail.org
mapproject from the mapproj library.
## Not run:
library(mapproj)
# assumes that the time zone shape files have been downloaded
# from: http://openmap.bbn.com/data/shape/timezone/
tz <- read.shape('WRLDTZA')
plot(Map2poly(project.Map(tz,'bonne',param=45)))
plot(Map2poly(project.Map(tz,'bonne',param=45)),
col=rainbow(48)[tz$att.data$OFFSET])
plot(Map2poly(project.Map(tz,'albers',param=c(30,40))))
## End(Not run)