So, this would allow me to assign a color to each of the 2592 rectangular
grid cells on a map of the world? I guess I am having trouble finding a
suitable method of doing this. Also, to be able to distinguish country
boundaries from the grid lines (which are both black color), could the grid
dxc13 wrote:
Hi useR's
I have created a simple map of the world using the following code:
m - map(xlim=c(-180,180), ylim=c(-90,90))
map.axes()
I then create a grid of dimension 36x72 using the code:
map.grid(m, nx=72, ny=36, labels=FALSE, col=black)
This gives 2592 grid cells. In a separate
On 5/11/2009 10:32 AM, dxc13 wrote:
Hi useR's
I have created a simple map of the world using the following code:
m - map(xlim=c(-180,180), ylim=c(-90,90))
map.axes()
I then create a grid of dimension 36x72 using the code:
map.grid(m, nx=72, ny=36, labels=FALSE, col=black)
This gives 2592 grid
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