You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.9 KiB
49 lines
1.9 KiB
% Generated by roxygen2: do not edit by hand
|
|
% Please edit documentation in R/albersusa.r
|
|
\name{usa_composite}
|
|
\alias{usa_composite}
|
|
\title{Retreive a U.S. state composite map, optionally with a projection}
|
|
\usage{
|
|
usa_composite(proj = c("longlat", "laea", "lcc", "eqdc", "aeqd"))
|
|
}
|
|
\arguments{
|
|
\item{proj}{if anything but \code{longlat} is specified, the shapefile will
|
|
be pre-projected before being returned}
|
|
}
|
|
\description{
|
|
The \code{proj} parameter is intende to simplify usage for those using base
|
|
plotting. If anything but \code{longlat} is specified the composite map
|
|
will be pre-projected to those
|
|
}
|
|
\details{
|
|
This is what's in the SPDF \code{@data} slot:
|
|
|
|
\preformatted{
|
|
Observations: 51
|
|
Variables: 13
|
|
$ geo_id (chr) "0400000US04", "0400000US05", "0400000US06", "0400...
|
|
$ fips_state (chr) "04", "05", "06", "08", "09", "11", "13", "17", "1...
|
|
$ name (chr) "Arizona", "Arkansas", "California", "Colorado", "...
|
|
$ iso_3166_2 (chr) "AZ", "AR", "CA", "CO", "CT", "DC", "GA", "IL", "I...
|
|
$ census (int) 6392017, 2915918, 37253956, 5029196, 3574097, 6017...
|
|
$ pop_estimataes_base (int) 6392310, 2915958, 37254503, 5029324, 3574096, 6017...
|
|
$ pop_2010 (int) 6411999, 2922297, 37336011, 5048575, 3579345, 6052...
|
|
$ pop_2011 (int) 6472867, 2938430, 37701901, 5119661, 3590537, 6204...
|
|
$ pop_2012 (int) 6556236, 2949300, 38062780, 5191709, 3594362, 6350...
|
|
$ pop_2013 (int) 6634997, 2958765, 38431393, 5272086, 3599341, 6491...
|
|
$ pop_2014 (int) 6731484, 2966369, 38802500, 5355866, 3596677, 6588...
|
|
}
|
|
|
|
A reference GeoJSON file is provided in the following location (i.e. you can use
|
|
it in any mapping program):
|
|
|
|
\preformatted{
|
|
system.file("extdata/composite_us_states.geojson.gz", package="albersusa")
|
|
}
|
|
}
|
|
\examples{
|
|
library(sp)
|
|
|
|
plot(usa_composite())
|
|
plot(usa_composite("laea"))
|
|
}
|
|
|