mapGrob {gmaps}R Documentation

Map grid graphics objects

Description

mapGrob is the representation of a map object in the grid graphics system.

Usage

mapGrob(
        database = "world", 
        regions=".",
        exact=F,
        xlim=NULL,
        ylim=NULL,
        name=NULL,
        fill.col=NA,
        gp=NULL,
        vp=NULL,
        asp=1,
        ...) 
grid.mapGrob(...)
validDetails.mapGrob(x)

Arguments

database Any of the valid maps databases.
regions A vector of the regions to be included in the map.
exact A logical specifying if regions should be matched exactly or partially.
xlim x range on the map objecct, ussually correspondes to longitude.
ylim y range on the map objecct, ussually correspondes to latitude.
name the name of the object.
fill.col color to use to fill the map with. Superceeds gp\$fill if specified.
gp grid graphics parameters, ie. a gpar object.
vp Viewport for the object. used to embed within other objects.
asp aspect ratio for the map.
... other parameters passed onto the map function.
x A mapGrob object

See Also

grid, maps

Examples

#The four corners area of the United States colored.
grid.mapGrob("state",c("utah","new mexico","arizona","colorado"),fill.col=rainbow(4))
[Package gmaps version 0.1 Index]