[R-sig-Geo] How to extract coordinates values from a shapefile?

[Nikhil Kaza]

Look at this. Not sure if this is indeed what you want or if you  
actually have to unproject them.

http://www.mail-archive.com/r-sig-geo@stat.math.ethz.ch/msg04715.html

require(ggplot2)
fortify(br)


Nikhil Kaza
Asst. Professor,
City and Regional Planning
University of North Carolina

nikhil.list at gmail.com

On Jun 9, 2010, at 2:45 PM, Thiago Veloso wrote:

>   Dear R colleagues,
>   Does anyone know if it's possible to create a vector with  
> coordinate values extracted from a shape loaded with readShapePoly  
> command of "maptools" package?
>   For example, the following code loads the shapefile containing  
> Brazilian states division:
> library(maptools)br<-readShapePoly("BR-map/3.shp")
>   What I need to do is create a vector which contains all lat and  
> lon values inside this shapefile...
>   Thanks in advance,
>   Thiago Veloso.
>
>
>
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>
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