Re: [R] User defined grid on map

2007-04-11 Thread Ray Brownrigg
On Thu, 12 Apr 2007, Adriana Bejarano wrote: > This may be a trivial question for some of you: Is there a way to add > defined grid sizes on specific areas of a map?. I want to add 10kmx10km > grids to all California coastal counties: > > "california,alameda", "california,contra costa", "california

[R] User defined grid on map

2007-04-11 Thread Adriana Bejarano
This may be a trivial question for some of you: Is there a way to add defined grid sizes on specific areas of a map?. I want to add 10kmx10km grids to all California coastal counties: "california,alameda", "california,contra costa", "california,del norte", "california,humboldt", "california,los