stateNationVisBorders: US National Boundary Points
Description
stateNationVisBorders - A set of boundary points for the US, its 50 states and DC.
Usage
stateNationVisBorders
Format
A data frame with 108 elements of the following 2 variables.
- x
- the x coordinate for the boundary point
- y
- the y coordinate for the boundary point
Source
Mark Monmonier's visibility map, modified by Daniel B. Carr, George Mason University,
Fairfax, VADetails
stateNationVisBorders datasets contains the list of points to be able to plot the
borders of the US in the micromap panel. Lines are drawn between each point with the
last line drawn from the final point to the first point. The order of the point is
important. The outer points of each state should coincide with points used in the
national US boundary. The boundaries have been smoothed following Monmonier's visibility
map.
References
Monmonier M, Mapping it out: Expository cartography for the humanities and social
sciences. Chicago, University of Chicago Press, 1993, p. 178.