naMap: data: naMap

Description Usage Format Examples

Description

North America polygon

Usage

1
data("naMap")

Format

The format is SpatialPolygonsDataFrame, with extent of -164.7, -51.7, 21, 73 (xmin, xmax, ymin, ymax). coord. ref. is "+proj=longlat +datum=WGS84 +no_defs +ellps=WGS84 +towgs84=0,0,0"

Examples

1
2
data("naMap")
plot(naMap)

SPATIAL-Lab/isorig documentation built on Aug. 13, 2019, 11:02 p.m.