Thanks Ray
On Thu, Mar 12, 2009 at 11:01 PM, Dr. Alireza Zolfaghari
ali.zolfagh...@gmail.com wrote:
Hi list,
I have a real problem with plotting US state map. When I try to plot the
northern state, there will be some blank space in the top of graph (see case
1 example), and when I plot
OK, the underlying problem is that the projection code (i.e. the mapproj package plus some
parts of the maps package) does not clip its output to the specified limits.
Let me explain:
1) the maps databases are made up of line segments which are combined to form
polygons
2) when you call map()
I think what you are missing is that the default map database is world.
If you use:
library(maps)
require(mapproj)
longlatLimit-c(-107,-93,40,52)
par(plt=c(0,1,0,1),cex=1,cex.main=1) #Set plotting parameters
map(regions=USA, projection=azequalarea,
Hi list,
I have a real problem with plotting US state map. When I try to plot the
northern state, there will be some blank space in the top of graph (see case
1 example), and when I plot southern states, there will be a blank space in
the bottom of plot (see case 2). I spent almost 2 days to
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